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+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+
+// This file was autogenerated by go-to-protobuf. Do not edit it manually!
+
+syntax = 'proto2';
+
+package k8s.io.api.core.v1;
+
+import "k8s.io/apimachinery/pkg/api/resource/generated.proto";
+import "k8s.io/apimachinery/pkg/apis/meta/v1/generated.proto";
+import "k8s.io/apimachinery/pkg/runtime/generated.proto";
+import "k8s.io/apimachinery/pkg/runtime/schema/generated.proto";
+import "k8s.io/apimachinery/pkg/util/intstr/generated.proto";
+
+// Package-wide variables from generator "generated".
+option go_package = "v1";
+
+// Represents a Persistent Disk resource in AWS.
+//
+// An AWS EBS disk must exist before mounting to a container. The disk
+// must also be in the same AWS zone as the kubelet. An AWS EBS disk
+// can only be mounted as read/write once. AWS EBS volumes support
+// ownership management and SELinux relabeling.
+message AWSElasticBlockStoreVolumeSource {
+  // Unique ID of the persistent disk resource in AWS (Amazon EBS volume).
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore
+  optional string volumeID = 1;
+
+  // Filesystem type of the volume that you want to mount.
+  // Tip: Ensure that the filesystem type is supported by the host operating system.
+  // Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore
+  // TODO: how do we prevent errors in the filesystem from compromising the machine
+  // +optional
+  optional string fsType = 2;
+
+  // The partition in the volume that you want to mount.
+  // If omitted, the default is to mount by volume name.
+  // Examples: For volume /dev/sda1, you specify the partition as "1".
+  // Similarly, the volume partition for /dev/sda is "0" (or you can leave the property empty).
+  // +optional
+  optional int32 partition = 3;
+
+  // Specify "true" to force and set the ReadOnly property in VolumeMounts to "true".
+  // If omitted, the default is "false".
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore
+  // +optional
+  optional bool readOnly = 4;
+}
+
+// Affinity is a group of affinity scheduling rules.
+message Affinity {
+  // Describes node affinity scheduling rules for the pod.
+  // +optional
+  optional NodeAffinity nodeAffinity = 1;
+
+  // Describes pod affinity scheduling rules (e.g. co-locate this pod in the same node, zone, etc. as some other pod(s)).
+  // +optional
+  optional PodAffinity podAffinity = 2;
+
+  // Describes pod anti-affinity scheduling rules (e.g. avoid putting this pod in the same node, zone, etc. as some other pod(s)).
+  // +optional
+  optional PodAntiAffinity podAntiAffinity = 3;
+}
+
+// AttachedVolume describes a volume attached to a node
+message AttachedVolume {
+  // Name of the attached volume
+  optional string name = 1;
+
+  // DevicePath represents the device path where the volume should be available
+  optional string devicePath = 2;
+}
+
+// AvoidPods describes pods that should avoid this node. This is the value for a
+// Node annotation with key scheduler.alpha.kubernetes.io/preferAvoidPods and
+// will eventually become a field of NodeStatus.
+message AvoidPods {
+  // Bounded-sized list of signatures of pods that should avoid this node, sorted
+  // in timestamp order from oldest to newest. Size of the slice is unspecified.
+  // +optional
+  repeated PreferAvoidPodsEntry preferAvoidPods = 1;
+}
+
+// AzureDisk represents an Azure Data Disk mount on the host and bind mount to the pod.
+message AzureDiskVolumeSource {
+  // The Name of the data disk in the blob storage
+  optional string diskName = 1;
+
+  // The URI the data disk in the blob storage
+  optional string diskURI = 2;
+
+  // Host Caching mode: None, Read Only, Read Write.
+  // +optional
+  optional string cachingMode = 3;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // +optional
+  optional string fsType = 4;
+
+  // Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // +optional
+  optional bool readOnly = 5;
+
+  // Expected values Shared: multiple blob disks per storage account  Dedicated: single blob disk per storage account  Managed: azure managed data disk (only in managed availability set). defaults to shared
+  optional string kind = 6;
+}
+
+// AzureFile represents an Azure File Service mount on the host and bind mount to the pod.
+message AzureFilePersistentVolumeSource {
+  // the name of secret that contains Azure Storage Account Name and Key
+  optional string secretName = 1;
+
+  // Share Name
+  optional string shareName = 2;
+
+  // Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // +optional
+  optional bool readOnly = 3;
+
+  // the namespace of the secret that contains Azure Storage Account Name and Key
+  // default is the same as the Pod
+  // +optional
+  optional string secretNamespace = 4;
+}
+
+// AzureFile represents an Azure File Service mount on the host and bind mount to the pod.
+message AzureFileVolumeSource {
+  // the name of secret that contains Azure Storage Account Name and Key
+  optional string secretName = 1;
+
+  // Share Name
+  optional string shareName = 2;
+
+  // Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // +optional
+  optional bool readOnly = 3;
+}
+
+// Binding ties one object to another; for example, a pod is bound to a node by a scheduler.
+// Deprecated in 1.7, please use the bindings subresource of pods instead.
+message Binding {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // The target object that you want to bind to the standard object.
+  optional ObjectReference target = 2;
+}
+
+// Represents storage that is managed by an external CSI volume driver (Beta feature)
+message CSIPersistentVolumeSource {
+  // Driver is the name of the driver to use for this volume.
+  // Required.
+  optional string driver = 1;
+
+  // VolumeHandle is the unique volume name returned by the CSI volume
+  // plugin’s CreateVolume to refer to the volume on all subsequent calls.
+  // Required.
+  optional string volumeHandle = 2;
+
+  // Optional: The value to pass to ControllerPublishVolumeRequest.
+  // Defaults to false (read/write).
+  // +optional
+  optional bool readOnly = 3;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs", "ntfs".
+  // +optional
+  optional string fsType = 4;
+
+  // Attributes of the volume to publish.
+  // +optional
+  map<string, string> volumeAttributes = 5;
+
+  // ControllerPublishSecretRef is a reference to the secret object containing
+  // sensitive information to pass to the CSI driver to complete the CSI
+  // ControllerPublishVolume and ControllerUnpublishVolume calls.
+  // This field is optional, and may be empty if no secret is required. If the
+  // secret object contains more than one secret, all secrets are passed.
+  // +optional
+  optional SecretReference controllerPublishSecretRef = 6;
+
+  // NodeStageSecretRef is a reference to the secret object containing sensitive
+  // information to pass to the CSI driver to complete the CSI NodeStageVolume
+  // and NodeStageVolume and NodeUnstageVolume calls.
+  // This field is optional, and may be empty if no secret is required. If the
+  // secret object contains more than one secret, all secrets are passed.
+  // +optional
+  optional SecretReference nodeStageSecretRef = 7;
+
+  // NodePublishSecretRef is a reference to the secret object containing
+  // sensitive information to pass to the CSI driver to complete the CSI
+  // NodePublishVolume and NodeUnpublishVolume calls.
+  // This field is optional, and may be empty if no secret is required. If the
+  // secret object contains more than one secret, all secrets are passed.
+  // +optional
+  optional SecretReference nodePublishSecretRef = 8;
+}
+
+// Adds and removes POSIX capabilities from running containers.
+message Capabilities {
+  // Added capabilities
+  // +optional
+  repeated string add = 1;
+
+  // Removed capabilities
+  // +optional
+  repeated string drop = 2;
+}
+
+// Represents a Ceph Filesystem mount that lasts the lifetime of a pod
+// Cephfs volumes do not support ownership management or SELinux relabeling.
+message CephFSPersistentVolumeSource {
+  // Required: Monitors is a collection of Ceph monitors
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/cephfs/README.md#how-to-use-it
+  repeated string monitors = 1;
+
+  // Optional: Used as the mounted root, rather than the full Ceph tree, default is /
+  // +optional
+  optional string path = 2;
+
+  // Optional: User is the rados user name, default is admin
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/cephfs/README.md#how-to-use-it
+  // +optional
+  optional string user = 3;
+
+  // Optional: SecretFile is the path to key ring for User, default is /etc/ceph/user.secret
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/cephfs/README.md#how-to-use-it
+  // +optional
+  optional string secretFile = 4;
+
+  // Optional: SecretRef is reference to the authentication secret for User, default is empty.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/cephfs/README.md#how-to-use-it
+  // +optional
+  optional SecretReference secretRef = 5;
+
+  // Optional: Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/cephfs/README.md#how-to-use-it
+  // +optional
+  optional bool readOnly = 6;
+}
+
+// Represents a Ceph Filesystem mount that lasts the lifetime of a pod
+// Cephfs volumes do not support ownership management or SELinux relabeling.
+message CephFSVolumeSource {
+  // Required: Monitors is a collection of Ceph monitors
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/cephfs/README.md#how-to-use-it
+  repeated string monitors = 1;
+
+  // Optional: Used as the mounted root, rather than the full Ceph tree, default is /
+  // +optional
+  optional string path = 2;
+
+  // Optional: User is the rados user name, default is admin
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/cephfs/README.md#how-to-use-it
+  // +optional
+  optional string user = 3;
+
+  // Optional: SecretFile is the path to key ring for User, default is /etc/ceph/user.secret
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/cephfs/README.md#how-to-use-it
+  // +optional
+  optional string secretFile = 4;
+
+  // Optional: SecretRef is reference to the authentication secret for User, default is empty.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/cephfs/README.md#how-to-use-it
+  // +optional
+  optional LocalObjectReference secretRef = 5;
+
+  // Optional: Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/cephfs/README.md#how-to-use-it
+  // +optional
+  optional bool readOnly = 6;
+}
+
+// Represents a cinder volume resource in Openstack.
+// A Cinder volume must exist before mounting to a container.
+// The volume must also be in the same region as the kubelet.
+// Cinder volumes support ownership management and SELinux relabeling.
+message CinderPersistentVolumeSource {
+  // volume id used to identify the volume in cinder
+  // More info: https://releases.k8s.io/HEAD/examples/mysql-cinder-pd/README.md
+  optional string volumeID = 1;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // More info: https://releases.k8s.io/HEAD/examples/mysql-cinder-pd/README.md
+  // +optional
+  optional string fsType = 2;
+
+  // Optional: Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // More info: https://releases.k8s.io/HEAD/examples/mysql-cinder-pd/README.md
+  // +optional
+  optional bool readOnly = 3;
+
+  // Optional: points to a secret object containing parameters used to connect
+  // to OpenStack.
+  // +optional
+  optional SecretReference secretRef = 4;
+}
+
+// Represents a cinder volume resource in Openstack.
+// A Cinder volume must exist before mounting to a container.
+// The volume must also be in the same region as the kubelet.
+// Cinder volumes support ownership management and SELinux relabeling.
+message CinderVolumeSource {
+  // volume id used to identify the volume in cinder
+  // More info: https://releases.k8s.io/HEAD/examples/mysql-cinder-pd/README.md
+  optional string volumeID = 1;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // More info: https://releases.k8s.io/HEAD/examples/mysql-cinder-pd/README.md
+  // +optional
+  optional string fsType = 2;
+
+  // Optional: Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // More info: https://releases.k8s.io/HEAD/examples/mysql-cinder-pd/README.md
+  // +optional
+  optional bool readOnly = 3;
+
+  // Optional: points to a secret object containing parameters used to connect
+  // to OpenStack.
+  // +optional
+  optional LocalObjectReference secretRef = 4;
+}
+
+// ClientIPConfig represents the configurations of Client IP based session affinity.
+message ClientIPConfig {
+  // timeoutSeconds specifies the seconds of ClientIP type session sticky time.
+  // The value must be >0 && <=86400(for 1 day) if ServiceAffinity == "ClientIP".
+  // Default value is 10800(for 3 hours).
+  // +optional
+  optional int32 timeoutSeconds = 1;
+}
+
+// Information about the condition of a component.
+message ComponentCondition {
+  // Type of condition for a component.
+  // Valid value: "Healthy"
+  optional string type = 1;
+
+  // Status of the condition for a component.
+  // Valid values for "Healthy": "True", "False", or "Unknown".
+  optional string status = 2;
+
+  // Message about the condition for a component.
+  // For example, information about a health check.
+  // +optional
+  optional string message = 3;
+
+  // Condition error code for a component.
+  // For example, a health check error code.
+  // +optional
+  optional string error = 4;
+}
+
+// ComponentStatus (and ComponentStatusList) holds the cluster validation info.
+message ComponentStatus {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // List of component conditions observed
+  // +optional
+  // +patchMergeKey=type
+  // +patchStrategy=merge
+  repeated ComponentCondition conditions = 2;
+}
+
+// Status of all the conditions for the component as a list of ComponentStatus objects.
+message ComponentStatusList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // List of ComponentStatus objects.
+  repeated ComponentStatus items = 2;
+}
+
+// ConfigMap holds configuration data for pods to consume.
+message ConfigMap {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Data contains the configuration data.
+  // Each key must consist of alphanumeric characters, '-', '_' or '.'.
+  // Values with non-UTF-8 byte sequences must use the BinaryData field.
+  // The keys stored in Data must not overlap with the keys in
+  // the BinaryData field, this is enforced during validation process.
+  // +optional
+  map<string, string> data = 2;
+
+  // BinaryData contains the binary data.
+  // Each key must consist of alphanumeric characters, '-', '_' or '.'.
+  // BinaryData can contain byte sequences that are not in the UTF-8 range.
+  // The keys stored in BinaryData must not overlap with the ones in
+  // the Data field, this is enforced during validation process.
+  // Using this field will require 1.10+ apiserver and
+  // kubelet.
+  // +optional
+  map<string, bytes> binaryData = 3;
+}
+
+// ConfigMapEnvSource selects a ConfigMap to populate the environment
+// variables with.
+//
+// The contents of the target ConfigMap's Data field will represent the
+// key-value pairs as environment variables.
+message ConfigMapEnvSource {
+  // The ConfigMap to select from.
+  optional LocalObjectReference localObjectReference = 1;
+
+  // Specify whether the ConfigMap must be defined
+  // +optional
+  optional bool optional = 2;
+}
+
+// Selects a key from a ConfigMap.
+message ConfigMapKeySelector {
+  // The ConfigMap to select from.
+  optional LocalObjectReference localObjectReference = 1;
+
+  // The key to select.
+  optional string key = 2;
+
+  // Specify whether the ConfigMap or it's key must be defined
+  // +optional
+  optional bool optional = 3;
+}
+
+// ConfigMapList is a resource containing a list of ConfigMap objects.
+message ConfigMapList {
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // Items is the list of ConfigMaps.
+  repeated ConfigMap items = 2;
+}
+
+// ConfigMapNodeConfigSource contains the information to reference a ConfigMap as a config source for the Node.
+message ConfigMapNodeConfigSource {
+  // Namespace is the metadata.namespace of the referenced ConfigMap.
+  // This field is required in all cases.
+  optional string namespace = 1;
+
+  // Name is the metadata.name of the referenced ConfigMap.
+  // This field is required in all cases.
+  optional string name = 2;
+
+  // UID is the metadata.UID of the referenced ConfigMap.
+  // This field is forbidden in Node.Spec, and required in Node.Status.
+  // +optional
+  optional string uid = 3;
+
+  // ResourceVersion is the metadata.ResourceVersion of the referenced ConfigMap.
+  // This field is forbidden in Node.Spec, and required in Node.Status.
+  // +optional
+  optional string resourceVersion = 4;
+
+  // KubeletConfigKey declares which key of the referenced ConfigMap corresponds to the KubeletConfiguration structure
+  // This field is required in all cases.
+  optional string kubeletConfigKey = 5;
+}
+
+// Adapts a ConfigMap into a projected volume.
+//
+// The contents of the target ConfigMap's Data field will be presented in a
+// projected volume as files using the keys in the Data field as the file names,
+// unless the items element is populated with specific mappings of keys to paths.
+// Note that this is identical to a configmap volume source without the default
+// mode.
+message ConfigMapProjection {
+  optional LocalObjectReference localObjectReference = 1;
+
+  // If unspecified, each key-value pair in the Data field of the referenced
+  // ConfigMap will be projected into the volume as a file whose name is the
+  // key and content is the value. If specified, the listed keys will be
+  // projected into the specified paths, and unlisted keys will not be
+  // present. If a key is specified which is not present in the ConfigMap,
+  // the volume setup will error unless it is marked optional. Paths must be
+  // relative and may not contain the '..' path or start with '..'.
+  // +optional
+  repeated KeyToPath items = 2;
+
+  // Specify whether the ConfigMap or it's keys must be defined
+  // +optional
+  optional bool optional = 4;
+}
+
+// Adapts a ConfigMap into a volume.
+//
+// The contents of the target ConfigMap's Data field will be presented in a
+// volume as files using the keys in the Data field as the file names, unless
+// the items element is populated with specific mappings of keys to paths.
+// ConfigMap volumes support ownership management and SELinux relabeling.
+message ConfigMapVolumeSource {
+  optional LocalObjectReference localObjectReference = 1;
+
+  // If unspecified, each key-value pair in the Data field of the referenced
+  // ConfigMap will be projected into the volume as a file whose name is the
+  // key and content is the value. If specified, the listed keys will be
+  // projected into the specified paths, and unlisted keys will not be
+  // present. If a key is specified which is not present in the ConfigMap,
+  // the volume setup will error unless it is marked optional. Paths must be
+  // relative and may not contain the '..' path or start with '..'.
+  // +optional
+  repeated KeyToPath items = 2;
+
+  // Optional: mode bits to use on created files by default. Must be a
+  // value between 0 and 0777. Defaults to 0644.
+  // Directories within the path are not affected by this setting.
+  // This might be in conflict with other options that affect the file
+  // mode, like fsGroup, and the result can be other mode bits set.
+  // +optional
+  optional int32 defaultMode = 3;
+
+  // Specify whether the ConfigMap or it's keys must be defined
+  // +optional
+  optional bool optional = 4;
+}
+
+// A single application container that you want to run within a pod.
+message Container {
+  // Name of the container specified as a DNS_LABEL.
+  // Each container in a pod must have a unique name (DNS_LABEL).
+  // Cannot be updated.
+  optional string name = 1;
+
+  // Docker image name.
+  // More info: https://kubernetes.io/docs/concepts/containers/images
+  // This field is optional to allow higher level config management to default or override
+  // container images in workload controllers like Deployments and StatefulSets.
+  // +optional
+  optional string image = 2;
+
+  // Entrypoint array. Not executed within a shell.
+  // The docker image's ENTRYPOINT is used if this is not provided.
+  // Variable references $(VAR_NAME) are expanded using the container's environment. If a variable
+  // cannot be resolved, the reference in the input string will be unchanged. The $(VAR_NAME) syntax
+  // can be escaped with a double $$, ie: $$(VAR_NAME). Escaped references will never be expanded,
+  // regardless of whether the variable exists or not.
+  // Cannot be updated.
+  // More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell
+  // +optional
+  repeated string command = 3;
+
+  // Arguments to the entrypoint.
+  // The docker image's CMD is used if this is not provided.
+  // Variable references $(VAR_NAME) are expanded using the container's environment. If a variable
+  // cannot be resolved, the reference in the input string will be unchanged. The $(VAR_NAME) syntax
+  // can be escaped with a double $$, ie: $$(VAR_NAME). Escaped references will never be expanded,
+  // regardless of whether the variable exists or not.
+  // Cannot be updated.
+  // More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell
+  // +optional
+  repeated string args = 4;
+
+  // Container's working directory.
+  // If not specified, the container runtime's default will be used, which
+  // might be configured in the container image.
+  // Cannot be updated.
+  // +optional
+  optional string workingDir = 5;
+
+  // List of ports to expose from the container. Exposing a port here gives
+  // the system additional information about the network connections a
+  // container uses, but is primarily informational. Not specifying a port here
+  // DOES NOT prevent that port from being exposed. Any port which is
+  // listening on the default "0.0.0.0" address inside a container will be
+  // accessible from the network.
+  // Cannot be updated.
+  // +optional
+  // +patchMergeKey=containerPort
+  // +patchStrategy=merge
+  // +listType=map
+  // +listMapKey=containerPort
+  // +listMapKey=protocol
+  repeated ContainerPort ports = 6;
+
+  // List of sources to populate environment variables in the container.
+  // The keys defined within a source must be a C_IDENTIFIER. All invalid keys
+  // will be reported as an event when the container is starting. When a key exists in multiple
+  // sources, the value associated with the last source will take precedence.
+  // Values defined by an Env with a duplicate key will take precedence.
+  // Cannot be updated.
+  // +optional
+  repeated EnvFromSource envFrom = 19;
+
+  // List of environment variables to set in the container.
+  // Cannot be updated.
+  // +optional
+  // +patchMergeKey=name
+  // +patchStrategy=merge
+  repeated EnvVar env = 7;
+
+  // Compute Resources required by this container.
+  // Cannot be updated.
+  // More info: https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/
+  // +optional
+  optional ResourceRequirements resources = 8;
+
+  // Pod volumes to mount into the container's filesystem.
+  // Cannot be updated.
+  // +optional
+  // +patchMergeKey=mountPath
+  // +patchStrategy=merge
+  repeated VolumeMount volumeMounts = 9;
+
+  // volumeDevices is the list of block devices to be used by the container.
+  // This is a beta feature.
+  // +patchMergeKey=devicePath
+  // +patchStrategy=merge
+  // +optional
+  repeated VolumeDevice volumeDevices = 21;
+
+  // Periodic probe of container liveness.
+  // Container will be restarted if the probe fails.
+  // Cannot be updated.
+  // More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes
+  // +optional
+  optional Probe livenessProbe = 10;
+
+  // Periodic probe of container service readiness.
+  // Container will be removed from service endpoints if the probe fails.
+  // Cannot be updated.
+  // More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes
+  // +optional
+  optional Probe readinessProbe = 11;
+
+  // Actions that the management system should take in response to container lifecycle events.
+  // Cannot be updated.
+  // +optional
+  optional Lifecycle lifecycle = 12;
+
+  // Optional: Path at which the file to which the container's termination message
+  // will be written is mounted into the container's filesystem.
+  // Message written is intended to be brief final status, such as an assertion failure message.
+  // Will be truncated by the node if greater than 4096 bytes. The total message length across
+  // all containers will be limited to 12kb.
+  // Defaults to /dev/termination-log.
+  // Cannot be updated.
+  // +optional
+  optional string terminationMessagePath = 13;
+
+  // Indicate how the termination message should be populated. File will use the contents of
+  // terminationMessagePath to populate the container status message on both success and failure.
+  // FallbackToLogsOnError will use the last chunk of container log output if the termination
+  // message file is empty and the container exited with an error.
+  // The log output is limited to 2048 bytes or 80 lines, whichever is smaller.
+  // Defaults to File.
+  // Cannot be updated.
+  // +optional
+  optional string terminationMessagePolicy = 20;
+
+  // Image pull policy.
+  // One of Always, Never, IfNotPresent.
+  // Defaults to Always if :latest tag is specified, or IfNotPresent otherwise.
+  // Cannot be updated.
+  // More info: https://kubernetes.io/docs/concepts/containers/images#updating-images
+  // +optional
+  optional string imagePullPolicy = 14;
+
+  // Security options the pod should run with.
+  // More info: https://kubernetes.io/docs/concepts/policy/security-context/
+  // More info: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/
+  // +optional
+  optional SecurityContext securityContext = 15;
+
+  // Whether this container should allocate a buffer for stdin in the container runtime. If this
+  // is not set, reads from stdin in the container will always result in EOF.
+  // Default is false.
+  // +optional
+  optional bool stdin = 16;
+
+  // Whether the container runtime should close the stdin channel after it has been opened by
+  // a single attach. When stdin is true the stdin stream will remain open across multiple attach
+  // sessions. If stdinOnce is set to true, stdin is opened on container start, is empty until the
+  // first client attaches to stdin, and then remains open and accepts data until the client disconnects,
+  // at which time stdin is closed and remains closed until the container is restarted. If this
+  // flag is false, a container processes that reads from stdin will never receive an EOF.
+  // Default is false
+  // +optional
+  optional bool stdinOnce = 17;
+
+  // Whether this container should allocate a TTY for itself, also requires 'stdin' to be true.
+  // Default is false.
+  // +optional
+  optional bool tty = 18;
+}
+
+// Describe a container image
+message ContainerImage {
+  // Names by which this image is known.
+  // e.g. ["k8s.gcr.io/hyperkube:v1.0.7", "dockerhub.io/google_containers/hyperkube:v1.0.7"]
+  repeated string names = 1;
+
+  // The size of the image in bytes.
+  // +optional
+  optional int64 sizeBytes = 2;
+}
+
+// ContainerPort represents a network port in a single container.
+message ContainerPort {
+  // If specified, this must be an IANA_SVC_NAME and unique within the pod. Each
+  // named port in a pod must have a unique name. Name for the port that can be
+  // referred to by services.
+  // +optional
+  optional string name = 1;
+
+  // Number of port to expose on the host.
+  // If specified, this must be a valid port number, 0 < x < 65536.
+  // If HostNetwork is specified, this must match ContainerPort.
+  // Most containers do not need this.
+  // +optional
+  optional int32 hostPort = 2;
+
+  // Number of port to expose on the pod's IP address.
+  // This must be a valid port number, 0 < x < 65536.
+  optional int32 containerPort = 3;
+
+  // Protocol for port. Must be UDP, TCP, or SCTP.
+  // Defaults to "TCP".
+  // +optional
+  optional string protocol = 4;
+
+  // What host IP to bind the external port to.
+  // +optional
+  optional string hostIP = 5;
+}
+
+// ContainerState holds a possible state of container.
+// Only one of its members may be specified.
+// If none of them is specified, the default one is ContainerStateWaiting.
+message ContainerState {
+  // Details about a waiting container
+  // +optional
+  optional ContainerStateWaiting waiting = 1;
+
+  // Details about a running container
+  // +optional
+  optional ContainerStateRunning running = 2;
+
+  // Details about a terminated container
+  // +optional
+  optional ContainerStateTerminated terminated = 3;
+}
+
+// ContainerStateRunning is a running state of a container.
+message ContainerStateRunning {
+  // Time at which the container was last (re-)started
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time startedAt = 1;
+}
+
+// ContainerStateTerminated is a terminated state of a container.
+message ContainerStateTerminated {
+  // Exit status from the last termination of the container
+  optional int32 exitCode = 1;
+
+  // Signal from the last termination of the container
+  // +optional
+  optional int32 signal = 2;
+
+  // (brief) reason from the last termination of the container
+  // +optional
+  optional string reason = 3;
+
+  // Message regarding the last termination of the container
+  // +optional
+  optional string message = 4;
+
+  // Time at which previous execution of the container started
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time startedAt = 5;
+
+  // Time at which the container last terminated
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time finishedAt = 6;
+
+  // Container's ID in the format 'docker://<container_id>'
+  // +optional
+  optional string containerID = 7;
+}
+
+// ContainerStateWaiting is a waiting state of a container.
+message ContainerStateWaiting {
+  // (brief) reason the container is not yet running.
+  // +optional
+  optional string reason = 1;
+
+  // Message regarding why the container is not yet running.
+  // +optional
+  optional string message = 2;
+}
+
+// ContainerStatus contains details for the current status of this container.
+message ContainerStatus {
+  // This must be a DNS_LABEL. Each container in a pod must have a unique name.
+  // Cannot be updated.
+  optional string name = 1;
+
+  // Details about the container's current condition.
+  // +optional
+  optional ContainerState state = 2;
+
+  // Details about the container's last termination condition.
+  // +optional
+  optional ContainerState lastState = 3;
+
+  // Specifies whether the container has passed its readiness probe.
+  optional bool ready = 4;
+
+  // The number of times the container has been restarted, currently based on
+  // the number of dead containers that have not yet been removed.
+  // Note that this is calculated from dead containers. But those containers are subject to
+  // garbage collection. This value will get capped at 5 by GC.
+  optional int32 restartCount = 5;
+
+  // The image the container is running.
+  // More info: https://kubernetes.io/docs/concepts/containers/images
+  // TODO(dchen1107): Which image the container is running with?
+  optional string image = 6;
+
+  // ImageID of the container's image.
+  optional string imageID = 7;
+
+  // Container's ID in the format 'docker://<container_id>'.
+  // +optional
+  optional string containerID = 8;
+}
+
+// DaemonEndpoint contains information about a single Daemon endpoint.
+message DaemonEndpoint {
+  // Port number of the given endpoint.
+  optional int32 Port = 1;
+}
+
+// Represents downward API info for projecting into a projected volume.
+// Note that this is identical to a downwardAPI volume source without the default
+// mode.
+message DownwardAPIProjection {
+  // Items is a list of DownwardAPIVolume file
+  // +optional
+  repeated DownwardAPIVolumeFile items = 1;
+}
+
+// DownwardAPIVolumeFile represents information to create the file containing the pod field
+message DownwardAPIVolumeFile {
+  // Required: Path is  the relative path name of the file to be created. Must not be absolute or contain the '..' path. Must be utf-8 encoded. The first item of the relative path must not start with '..'
+  optional string path = 1;
+
+  // Required: Selects a field of the pod: only annotations, labels, name and namespace are supported.
+  // +optional
+  optional ObjectFieldSelector fieldRef = 2;
+
+  // Selects a resource of the container: only resources limits and requests
+  // (limits.cpu, limits.memory, requests.cpu and requests.memory) are currently supported.
+  // +optional
+  optional ResourceFieldSelector resourceFieldRef = 3;
+
+  // Optional: mode bits to use on this file, must be a value between 0
+  // and 0777. If not specified, the volume defaultMode will be used.
+  // This might be in conflict with other options that affect the file
+  // mode, like fsGroup, and the result can be other mode bits set.
+  // +optional
+  optional int32 mode = 4;
+}
+
+// DownwardAPIVolumeSource represents a volume containing downward API info.
+// Downward API volumes support ownership management and SELinux relabeling.
+message DownwardAPIVolumeSource {
+  // Items is a list of downward API volume file
+  // +optional
+  repeated DownwardAPIVolumeFile items = 1;
+
+  // Optional: mode bits to use on created files by default. Must be a
+  // value between 0 and 0777. Defaults to 0644.
+  // Directories within the path are not affected by this setting.
+  // This might be in conflict with other options that affect the file
+  // mode, like fsGroup, and the result can be other mode bits set.
+  // +optional
+  optional int32 defaultMode = 2;
+}
+
+// Represents an empty directory for a pod.
+// Empty directory volumes support ownership management and SELinux relabeling.
+message EmptyDirVolumeSource {
+  // What type of storage medium should back this directory.
+  // The default is "" which means to use the node's default medium.
+  // Must be an empty string (default) or Memory.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir
+  // +optional
+  optional string medium = 1;
+
+  // Total amount of local storage required for this EmptyDir volume.
+  // The size limit is also applicable for memory medium.
+  // The maximum usage on memory medium EmptyDir would be the minimum value between
+  // the SizeLimit specified here and the sum of memory limits of all containers in a pod.
+  // The default is nil which means that the limit is undefined.
+  // More info: http://kubernetes.io/docs/user-guide/volumes#emptydir
+  // +optional
+  optional k8s.io.apimachinery.pkg.api.resource.Quantity sizeLimit = 2;
+}
+
+// EndpointAddress is a tuple that describes single IP address.
+message EndpointAddress {
+  // The IP of this endpoint.
+  // May not be loopback (127.0.0.0/8), link-local (169.254.0.0/16),
+  // or link-local multicast ((224.0.0.0/24).
+  // IPv6 is also accepted but not fully supported on all platforms. Also, certain
+  // kubernetes components, like kube-proxy, are not IPv6 ready.
+  // TODO: This should allow hostname or IP, See #4447.
+  optional string ip = 1;
+
+  // The Hostname of this endpoint
+  // +optional
+  optional string hostname = 3;
+
+  // Optional: Node hosting this endpoint. This can be used to determine endpoints local to a node.
+  // +optional
+  optional string nodeName = 4;
+
+  // Reference to object providing the endpoint.
+  // +optional
+  optional ObjectReference targetRef = 2;
+}
+
+// EndpointPort is a tuple that describes a single port.
+message EndpointPort {
+  // The name of this port (corresponds to ServicePort.Name).
+  // Must be a DNS_LABEL.
+  // Optional only if one port is defined.
+  // +optional
+  optional string name = 1;
+
+  // The port number of the endpoint.
+  optional int32 port = 2;
+
+  // The IP protocol for this port.
+  // Must be UDP, TCP, or SCTP.
+  // Default is TCP.
+  // +optional
+  optional string protocol = 3;
+}
+
+// EndpointSubset is a group of addresses with a common set of ports. The
+// expanded set of endpoints is the Cartesian product of Addresses x Ports.
+// For example, given:
+//   {
+//     Addresses: [{"ip": "10.10.1.1"}, {"ip": "10.10.2.2"}],
+//     Ports:     [{"name": "a", "port": 8675}, {"name": "b", "port": 309}]
+//   }
+// The resulting set of endpoints can be viewed as:
+//     a: [ 10.10.1.1:8675, 10.10.2.2:8675 ],
+//     b: [ 10.10.1.1:309, 10.10.2.2:309 ]
+message EndpointSubset {
+  // IP addresses which offer the related ports that are marked as ready. These endpoints
+  // should be considered safe for load balancers and clients to utilize.
+  // +optional
+  repeated EndpointAddress addresses = 1;
+
+  // IP addresses which offer the related ports but are not currently marked as ready
+  // because they have not yet finished starting, have recently failed a readiness check,
+  // or have recently failed a liveness check.
+  // +optional
+  repeated EndpointAddress notReadyAddresses = 2;
+
+  // Port numbers available on the related IP addresses.
+  // +optional
+  repeated EndpointPort ports = 3;
+}
+
+// Endpoints is a collection of endpoints that implement the actual service. Example:
+//   Name: "mysvc",
+//   Subsets: [
+//     {
+//       Addresses: [{"ip": "10.10.1.1"}, {"ip": "10.10.2.2"}],
+//       Ports: [{"name": "a", "port": 8675}, {"name": "b", "port": 309}]
+//     },
+//     {
+//       Addresses: [{"ip": "10.10.3.3"}],
+//       Ports: [{"name": "a", "port": 93}, {"name": "b", "port": 76}]
+//     },
+//  ]
+message Endpoints {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // The set of all endpoints is the union of all subsets. Addresses are placed into
+  // subsets according to the IPs they share. A single address with multiple ports,
+  // some of which are ready and some of which are not (because they come from
+  // different containers) will result in the address being displayed in different
+  // subsets for the different ports. No address will appear in both Addresses and
+  // NotReadyAddresses in the same subset.
+  // Sets of addresses and ports that comprise a service.
+  // +optional
+  repeated EndpointSubset subsets = 2;
+}
+
+// EndpointsList is a list of endpoints.
+message EndpointsList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // List of endpoints.
+  repeated Endpoints items = 2;
+}
+
+// EnvFromSource represents the source of a set of ConfigMaps
+message EnvFromSource {
+  // An optional identifier to prepend to each key in the ConfigMap. Must be a C_IDENTIFIER.
+  // +optional
+  optional string prefix = 1;
+
+  // The ConfigMap to select from
+  // +optional
+  optional ConfigMapEnvSource configMapRef = 2;
+
+  // The Secret to select from
+  // +optional
+  optional SecretEnvSource secretRef = 3;
+}
+
+// EnvVar represents an environment variable present in a Container.
+message EnvVar {
+  // Name of the environment variable. Must be a C_IDENTIFIER.
+  optional string name = 1;
+
+  // Variable references $(VAR_NAME) are expanded
+  // using the previous defined environment variables in the container and
+  // any service environment variables. If a variable cannot be resolved,
+  // the reference in the input string will be unchanged. The $(VAR_NAME)
+  // syntax can be escaped with a double $$, ie: $$(VAR_NAME). Escaped
+  // references will never be expanded, regardless of whether the variable
+  // exists or not.
+  // Defaults to "".
+  // +optional
+  optional string value = 2;
+
+  // Source for the environment variable's value. Cannot be used if value is not empty.
+  // +optional
+  optional EnvVarSource valueFrom = 3;
+}
+
+// EnvVarSource represents a source for the value of an EnvVar.
+message EnvVarSource {
+  // Selects a field of the pod: supports metadata.name, metadata.namespace, metadata.labels, metadata.annotations,
+  // spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP.
+  // +optional
+  optional ObjectFieldSelector fieldRef = 1;
+
+  // Selects a resource of the container: only resources limits and requests
+  // (limits.cpu, limits.memory, limits.ephemeral-storage, requests.cpu, requests.memory and requests.ephemeral-storage) are currently supported.
+  // +optional
+  optional ResourceFieldSelector resourceFieldRef = 2;
+
+  // Selects a key of a ConfigMap.
+  // +optional
+  optional ConfigMapKeySelector configMapKeyRef = 3;
+
+  // Selects a key of a secret in the pod's namespace
+  // +optional
+  optional SecretKeySelector secretKeyRef = 4;
+}
+
+// Event is a report of an event somewhere in the cluster.
+message Event {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // The object that this event is about.
+  optional ObjectReference involvedObject = 2;
+
+  // This should be a short, machine understandable string that gives the reason
+  // for the transition into the object's current status.
+  // TODO: provide exact specification for format.
+  // +optional
+  optional string reason = 3;
+
+  // A human-readable description of the status of this operation.
+  // TODO: decide on maximum length.
+  // +optional
+  optional string message = 4;
+
+  // The component reporting this event. Should be a short machine understandable string.
+  // +optional
+  optional EventSource source = 5;
+
+  // The time at which the event was first recorded. (Time of server receipt is in TypeMeta.)
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time firstTimestamp = 6;
+
+  // The time at which the most recent occurrence of this event was recorded.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTimestamp = 7;
+
+  // The number of times this event has occurred.
+  // +optional
+  optional int32 count = 8;
+
+  // Type of this event (Normal, Warning), new types could be added in the future
+  // +optional
+  optional string type = 9;
+
+  // Time when this Event was first observed.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.MicroTime eventTime = 10;
+
+  // Data about the Event series this event represents or nil if it's a singleton Event.
+  // +optional
+  optional EventSeries series = 11;
+
+  // What action was taken/failed regarding to the Regarding object.
+  // +optional
+  optional string action = 12;
+
+  // Optional secondary object for more complex actions.
+  // +optional
+  optional ObjectReference related = 13;
+
+  // Name of the controller that emitted this Event, e.g. `kubernetes.io/kubelet`.
+  // +optional
+  optional string reportingComponent = 14;
+
+  // ID of the controller instance, e.g. `kubelet-xyzf`.
+  // +optional
+  optional string reportingInstance = 15;
+}
+
+// EventList is a list of events.
+message EventList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // List of events
+  repeated Event items = 2;
+}
+
+// EventSeries contain information on series of events, i.e. thing that was/is happening
+// continuously for some time.
+message EventSeries {
+  // Number of occurrences in this series up to the last heartbeat time
+  optional int32 count = 1;
+
+  // Time of the last occurrence observed
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.MicroTime lastObservedTime = 2;
+
+  // State of this Series: Ongoing or Finished
+  optional string state = 3;
+}
+
+// EventSource contains information for an event.
+message EventSource {
+  // Component from which the event is generated.
+  // +optional
+  optional string component = 1;
+
+  // Node name on which the event is generated.
+  // +optional
+  optional string host = 2;
+}
+
+// ExecAction describes a "run in container" action.
+message ExecAction {
+  // Command is the command line to execute inside the container, the working directory for the
+  // command  is root ('/') in the container's filesystem. The command is simply exec'd, it is
+  // not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use
+  // a shell, you need to explicitly call out to that shell.
+  // Exit status of 0 is treated as live/healthy and non-zero is unhealthy.
+  // +optional
+  repeated string command = 1;
+}
+
+// Represents a Fibre Channel volume.
+// Fibre Channel volumes can only be mounted as read/write once.
+// Fibre Channel volumes support ownership management and SELinux relabeling.
+message FCVolumeSource {
+  // Optional: FC target worldwide names (WWNs)
+  // +optional
+  repeated string targetWWNs = 1;
+
+  // Optional: FC target lun number
+  // +optional
+  optional int32 lun = 2;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // TODO: how do we prevent errors in the filesystem from compromising the machine
+  // +optional
+  optional string fsType = 3;
+
+  // Optional: Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // +optional
+  optional bool readOnly = 4;
+
+  // Optional: FC volume world wide identifiers (wwids)
+  // Either wwids or combination of targetWWNs and lun must be set, but not both simultaneously.
+  // +optional
+  repeated string wwids = 5;
+}
+
+// FlexPersistentVolumeSource represents a generic persistent volume resource that is
+// provisioned/attached using an exec based plugin.
+message FlexPersistentVolumeSource {
+  // Driver is the name of the driver to use for this volume.
+  optional string driver = 1;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs", "ntfs". The default filesystem depends on FlexVolume script.
+  // +optional
+  optional string fsType = 2;
+
+  // Optional: SecretRef is reference to the secret object containing
+  // sensitive information to pass to the plugin scripts. This may be
+  // empty if no secret object is specified. If the secret object
+  // contains more than one secret, all secrets are passed to the plugin
+  // scripts.
+  // +optional
+  optional SecretReference secretRef = 3;
+
+  // Optional: Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // +optional
+  optional bool readOnly = 4;
+
+  // Optional: Extra command options if any.
+  // +optional
+  map<string, string> options = 5;
+}
+
+// FlexVolume represents a generic volume resource that is
+// provisioned/attached using an exec based plugin.
+message FlexVolumeSource {
+  // Driver is the name of the driver to use for this volume.
+  optional string driver = 1;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs", "ntfs". The default filesystem depends on FlexVolume script.
+  // +optional
+  optional string fsType = 2;
+
+  // Optional: SecretRef is reference to the secret object containing
+  // sensitive information to pass to the plugin scripts. This may be
+  // empty if no secret object is specified. If the secret object
+  // contains more than one secret, all secrets are passed to the plugin
+  // scripts.
+  // +optional
+  optional LocalObjectReference secretRef = 3;
+
+  // Optional: Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // +optional
+  optional bool readOnly = 4;
+
+  // Optional: Extra command options if any.
+  // +optional
+  map<string, string> options = 5;
+}
+
+// Represents a Flocker volume mounted by the Flocker agent.
+// One and only one of datasetName and datasetUUID should be set.
+// Flocker volumes do not support ownership management or SELinux relabeling.
+message FlockerVolumeSource {
+  // Name of the dataset stored as metadata -> name on the dataset for Flocker
+  // should be considered as deprecated
+  // +optional
+  optional string datasetName = 1;
+
+  // UUID of the dataset. This is unique identifier of a Flocker dataset
+  // +optional
+  optional string datasetUUID = 2;
+}
+
+// Represents a Persistent Disk resource in Google Compute Engine.
+//
+// A GCE PD must exist before mounting to a container. The disk must
+// also be in the same GCE project and zone as the kubelet. A GCE PD
+// can only be mounted as read/write once or read-only many times. GCE
+// PDs support ownership management and SELinux relabeling.
+message GCEPersistentDiskVolumeSource {
+  // Unique name of the PD resource in GCE. Used to identify the disk in GCE.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk
+  optional string pdName = 1;
+
+  // Filesystem type of the volume that you want to mount.
+  // Tip: Ensure that the filesystem type is supported by the host operating system.
+  // Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk
+  // TODO: how do we prevent errors in the filesystem from compromising the machine
+  // +optional
+  optional string fsType = 2;
+
+  // The partition in the volume that you want to mount.
+  // If omitted, the default is to mount by volume name.
+  // Examples: For volume /dev/sda1, you specify the partition as "1".
+  // Similarly, the volume partition for /dev/sda is "0" (or you can leave the property empty).
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk
+  // +optional
+  optional int32 partition = 3;
+
+  // ReadOnly here will force the ReadOnly setting in VolumeMounts.
+  // Defaults to false.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk
+  // +optional
+  optional bool readOnly = 4;
+}
+
+// Represents a volume that is populated with the contents of a git repository.
+// Git repo volumes do not support ownership management.
+// Git repo volumes support SELinux relabeling.
+//
+// DEPRECATED: GitRepo is deprecated. To provision a container with a git repo, mount an
+// EmptyDir into an InitContainer that clones the repo using git, then mount the EmptyDir
+// into the Pod's container.
+message GitRepoVolumeSource {
+  // Repository URL
+  optional string repository = 1;
+
+  // Commit hash for the specified revision.
+  // +optional
+  optional string revision = 2;
+
+  // Target directory name.
+  // Must not contain or start with '..'.  If '.' is supplied, the volume directory will be the
+  // git repository.  Otherwise, if specified, the volume will contain the git repository in
+  // the subdirectory with the given name.
+  // +optional
+  optional string directory = 3;
+}
+
+// Represents a Glusterfs mount that lasts the lifetime of a pod.
+// Glusterfs volumes do not support ownership management or SELinux relabeling.
+message GlusterfsPersistentVolumeSource {
+  // EndpointsName is the endpoint name that details Glusterfs topology.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/glusterfs/README.md#create-a-pod
+  optional string endpoints = 1;
+
+  // Path is the Glusterfs volume path.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/glusterfs/README.md#create-a-pod
+  optional string path = 2;
+
+  // ReadOnly here will force the Glusterfs volume to be mounted with read-only permissions.
+  // Defaults to false.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/glusterfs/README.md#create-a-pod
+  // +optional
+  optional bool readOnly = 3;
+
+  // EndpointsNamespace is the namespace that contains Glusterfs endpoint.
+  // If this field is empty, the EndpointNamespace defaults to the same namespace as the bound PVC.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/glusterfs/README.md#create-a-pod
+  // +optional
+  optional string endpointsNamespace = 4;
+}
+
+// Represents a Glusterfs mount that lasts the lifetime of a pod.
+// Glusterfs volumes do not support ownership management or SELinux relabeling.
+message GlusterfsVolumeSource {
+  // EndpointsName is the endpoint name that details Glusterfs topology.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/glusterfs/README.md#create-a-pod
+  optional string endpoints = 1;
+
+  // Path is the Glusterfs volume path.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/glusterfs/README.md#create-a-pod
+  optional string path = 2;
+
+  // ReadOnly here will force the Glusterfs volume to be mounted with read-only permissions.
+  // Defaults to false.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/glusterfs/README.md#create-a-pod
+  // +optional
+  optional bool readOnly = 3;
+}
+
+// HTTPGetAction describes an action based on HTTP Get requests.
+message HTTPGetAction {
+  // Path to access on the HTTP server.
+  // +optional
+  optional string path = 1;
+
+  // Name or number of the port to access on the container.
+  // Number must be in the range 1 to 65535.
+  // Name must be an IANA_SVC_NAME.
+  optional k8s.io.apimachinery.pkg.util.intstr.IntOrString port = 2;
+
+  // Host name to connect to, defaults to the pod IP. You probably want to set
+  // "Host" in httpHeaders instead.
+  // +optional
+  optional string host = 3;
+
+  // Scheme to use for connecting to the host.
+  // Defaults to HTTP.
+  // +optional
+  optional string scheme = 4;
+
+  // Custom headers to set in the request. HTTP allows repeated headers.
+  // +optional
+  repeated HTTPHeader httpHeaders = 5;
+}
+
+// HTTPHeader describes a custom header to be used in HTTP probes
+message HTTPHeader {
+  // The header field name
+  optional string name = 1;
+
+  // The header field value
+  optional string value = 2;
+}
+
+// Handler defines a specific action that should be taken
+// TODO: pass structured data to these actions, and document that data here.
+message Handler {
+  // One and only one of the following should be specified.
+  // Exec specifies the action to take.
+  // +optional
+  optional ExecAction exec = 1;
+
+  // HTTPGet specifies the http request to perform.
+  // +optional
+  optional HTTPGetAction httpGet = 2;
+
+  // TCPSocket specifies an action involving a TCP port.
+  // TCP hooks not yet supported
+  // TODO: implement a realistic TCP lifecycle hook
+  // +optional
+  optional TCPSocketAction tcpSocket = 3;
+}
+
+// HostAlias holds the mapping between IP and hostnames that will be injected as an entry in the
+// pod's hosts file.
+message HostAlias {
+  // IP address of the host file entry.
+  optional string ip = 1;
+
+  // Hostnames for the above IP address.
+  repeated string hostnames = 2;
+}
+
+// Represents a host path mapped into a pod.
+// Host path volumes do not support ownership management or SELinux relabeling.
+message HostPathVolumeSource {
+  // Path of the directory on the host.
+  // If the path is a symlink, it will follow the link to the real path.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath
+  optional string path = 1;
+
+  // Type for HostPath Volume
+  // Defaults to ""
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath
+  // +optional
+  optional string type = 2;
+}
+
+// ISCSIPersistentVolumeSource represents an ISCSI disk.
+// ISCSI volumes can only be mounted as read/write once.
+// ISCSI volumes support ownership management and SELinux relabeling.
+message ISCSIPersistentVolumeSource {
+  // iSCSI Target Portal. The Portal is either an IP or ip_addr:port if the port
+  // is other than default (typically TCP ports 860 and 3260).
+  optional string targetPortal = 1;
+
+  // Target iSCSI Qualified Name.
+  optional string iqn = 2;
+
+  // iSCSI Target Lun number.
+  optional int32 lun = 3;
+
+  // iSCSI Interface Name that uses an iSCSI transport.
+  // Defaults to 'default' (tcp).
+  // +optional
+  optional string iscsiInterface = 4;
+
+  // Filesystem type of the volume that you want to mount.
+  // Tip: Ensure that the filesystem type is supported by the host operating system.
+  // Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#iscsi
+  // TODO: how do we prevent errors in the filesystem from compromising the machine
+  // +optional
+  optional string fsType = 5;
+
+  // ReadOnly here will force the ReadOnly setting in VolumeMounts.
+  // Defaults to false.
+  // +optional
+  optional bool readOnly = 6;
+
+  // iSCSI Target Portal List. The Portal is either an IP or ip_addr:port if the port
+  // is other than default (typically TCP ports 860 and 3260).
+  // +optional
+  repeated string portals = 7;
+
+  // whether support iSCSI Discovery CHAP authentication
+  // +optional
+  optional bool chapAuthDiscovery = 8;
+
+  // whether support iSCSI Session CHAP authentication
+  // +optional
+  optional bool chapAuthSession = 11;
+
+  // CHAP Secret for iSCSI target and initiator authentication
+  // +optional
+  optional SecretReference secretRef = 10;
+
+  // Custom iSCSI Initiator Name.
+  // If initiatorName is specified with iscsiInterface simultaneously, new iSCSI interface
+  // <target portal>:<volume name> will be created for the connection.
+  // +optional
+  optional string initiatorName = 12;
+}
+
+// Represents an ISCSI disk.
+// ISCSI volumes can only be mounted as read/write once.
+// ISCSI volumes support ownership management and SELinux relabeling.
+message ISCSIVolumeSource {
+  // iSCSI Target Portal. The Portal is either an IP or ip_addr:port if the port
+  // is other than default (typically TCP ports 860 and 3260).
+  optional string targetPortal = 1;
+
+  // Target iSCSI Qualified Name.
+  optional string iqn = 2;
+
+  // iSCSI Target Lun number.
+  optional int32 lun = 3;
+
+  // iSCSI Interface Name that uses an iSCSI transport.
+  // Defaults to 'default' (tcp).
+  // +optional
+  optional string iscsiInterface = 4;
+
+  // Filesystem type of the volume that you want to mount.
+  // Tip: Ensure that the filesystem type is supported by the host operating system.
+  // Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#iscsi
+  // TODO: how do we prevent errors in the filesystem from compromising the machine
+  // +optional
+  optional string fsType = 5;
+
+  // ReadOnly here will force the ReadOnly setting in VolumeMounts.
+  // Defaults to false.
+  // +optional
+  optional bool readOnly = 6;
+
+  // iSCSI Target Portal List. The portal is either an IP or ip_addr:port if the port
+  // is other than default (typically TCP ports 860 and 3260).
+  // +optional
+  repeated string portals = 7;
+
+  // whether support iSCSI Discovery CHAP authentication
+  // +optional
+  optional bool chapAuthDiscovery = 8;
+
+  // whether support iSCSI Session CHAP authentication
+  // +optional
+  optional bool chapAuthSession = 11;
+
+  // CHAP Secret for iSCSI target and initiator authentication
+  // +optional
+  optional LocalObjectReference secretRef = 10;
+
+  // Custom iSCSI Initiator Name.
+  // If initiatorName is specified with iscsiInterface simultaneously, new iSCSI interface
+  // <target portal>:<volume name> will be created for the connection.
+  // +optional
+  optional string initiatorName = 12;
+}
+
+// Maps a string key to a path within a volume.
+message KeyToPath {
+  // The key to project.
+  optional string key = 1;
+
+  // The relative path of the file to map the key to.
+  // May not be an absolute path.
+  // May not contain the path element '..'.
+  // May not start with the string '..'.
+  optional string path = 2;
+
+  // Optional: mode bits to use on this file, must be a value between 0
+  // and 0777. If not specified, the volume defaultMode will be used.
+  // This might be in conflict with other options that affect the file
+  // mode, like fsGroup, and the result can be other mode bits set.
+  // +optional
+  optional int32 mode = 3;
+}
+
+// Lifecycle describes actions that the management system should take in response to container lifecycle
+// events. For the PostStart and PreStop lifecycle handlers, management of the container blocks
+// until the action is complete, unless the container process fails, in which case the handler is aborted.
+message Lifecycle {
+  // PostStart is called immediately after a container is created. If the handler fails,
+  // the container is terminated and restarted according to its restart policy.
+  // Other management of the container blocks until the hook completes.
+  // More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks
+  // +optional
+  optional Handler postStart = 1;
+
+  // PreStop is called immediately before a container is terminated.
+  // The container is terminated after the handler completes.
+  // The reason for termination is passed to the handler.
+  // Regardless of the outcome of the handler, the container is eventually terminated.
+  // Other management of the container blocks until the hook completes.
+  // More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks
+  // +optional
+  optional Handler preStop = 2;
+}
+
+// LimitRange sets resource usage limits for each kind of resource in a Namespace.
+message LimitRange {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Spec defines the limits enforced.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional LimitRangeSpec spec = 2;
+}
+
+// LimitRangeItem defines a min/max usage limit for any resource that matches on kind.
+message LimitRangeItem {
+  // Type of resource that this limit applies to.
+  // +optional
+  optional string type = 1;
+
+  // Max usage constraints on this kind by resource name.
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> max = 2;
+
+  // Min usage constraints on this kind by resource name.
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> min = 3;
+
+  // Default resource requirement limit value by resource name if resource limit is omitted.
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> default = 4;
+
+  // DefaultRequest is the default resource requirement request value by resource name if resource request is omitted.
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> defaultRequest = 5;
+
+  // MaxLimitRequestRatio if specified, the named resource must have a request and limit that are both non-zero where limit divided by request is less than or equal to the enumerated value; this represents the max burst for the named resource.
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> maxLimitRequestRatio = 6;
+}
+
+// LimitRangeList is a list of LimitRange items.
+message LimitRangeList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // Items is a list of LimitRange objects.
+  // More info: https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/
+  repeated LimitRange items = 2;
+}
+
+// LimitRangeSpec defines a min/max usage limit for resources that match on kind.
+message LimitRangeSpec {
+  // Limits is the list of LimitRangeItem objects that are enforced.
+  repeated LimitRangeItem limits = 1;
+}
+
+// List holds a list of objects, which may not be known by the server.
+message List {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // List of objects
+  repeated k8s.io.apimachinery.pkg.runtime.RawExtension items = 2;
+}
+
+// LoadBalancerIngress represents the status of a load-balancer ingress point:
+// traffic intended for the service should be sent to an ingress point.
+message LoadBalancerIngress {
+  // IP is set for load-balancer ingress points that are IP based
+  // (typically GCE or OpenStack load-balancers)
+  // +optional
+  optional string ip = 1;
+
+  // Hostname is set for load-balancer ingress points that are DNS based
+  // (typically AWS load-balancers)
+  // +optional
+  optional string hostname = 2;
+}
+
+// LoadBalancerStatus represents the status of a load-balancer.
+message LoadBalancerStatus {
+  // Ingress is a list containing ingress points for the load-balancer.
+  // Traffic intended for the service should be sent to these ingress points.
+  // +optional
+  repeated LoadBalancerIngress ingress = 1;
+}
+
+// LocalObjectReference contains enough information to let you locate the
+// referenced object inside the same namespace.
+message LocalObjectReference {
+  // Name of the referent.
+  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
+  // TODO: Add other useful fields. apiVersion, kind, uid?
+  // +optional
+  optional string name = 1;
+}
+
+// Local represents directly-attached storage with node affinity (Beta feature)
+message LocalVolumeSource {
+  // The full path to the volume on the node.
+  // It can be either a directory or block device (disk, partition, ...).
+  optional string path = 1;
+
+  // Filesystem type to mount.
+  // It applies only when the Path is a block device.
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs", "ntfs". The default value is to auto-select a fileystem if unspecified.
+  // +optional
+  optional string fsType = 2;
+}
+
+// Represents an NFS mount that lasts the lifetime of a pod.
+// NFS volumes do not support ownership management or SELinux relabeling.
+message NFSVolumeSource {
+  // Server is the hostname or IP address of the NFS server.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs
+  optional string server = 1;
+
+  // Path that is exported by the NFS server.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs
+  optional string path = 2;
+
+  // ReadOnly here will force
+  // the NFS export to be mounted with read-only permissions.
+  // Defaults to false.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs
+  // +optional
+  optional bool readOnly = 3;
+}
+
+// Namespace provides a scope for Names.
+// Use of multiple namespaces is optional.
+message Namespace {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Spec defines the behavior of the Namespace.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional NamespaceSpec spec = 2;
+
+  // Status describes the current status of a Namespace.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional NamespaceStatus status = 3;
+}
+
+// NamespaceList is a list of Namespaces.
+message NamespaceList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // Items is the list of Namespace objects in the list.
+  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces/
+  repeated Namespace items = 2;
+}
+
+// NamespaceSpec describes the attributes on a Namespace.
+message NamespaceSpec {
+  // Finalizers is an opaque list of values that must be empty to permanently remove object from storage.
+  // More info: https://kubernetes.io/docs/tasks/administer-cluster/namespaces/
+  // +optional
+  repeated string finalizers = 1;
+}
+
+// NamespaceStatus is information about the current status of a Namespace.
+message NamespaceStatus {
+  // Phase is the current lifecycle phase of the namespace.
+  // More info: https://kubernetes.io/docs/tasks/administer-cluster/namespaces/
+  // +optional
+  optional string phase = 1;
+}
+
+// Node is a worker node in Kubernetes.
+// Each node will have a unique identifier in the cache (i.e. in etcd).
+message Node {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Spec defines the behavior of a node.
+  // https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional NodeSpec spec = 2;
+
+  // Most recently observed status of the node.
+  // Populated by the system.
+  // Read-only.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional NodeStatus status = 3;
+}
+
+// NodeAddress contains information for the node's address.
+message NodeAddress {
+  // Node address type, one of Hostname, ExternalIP or InternalIP.
+  optional string type = 1;
+
+  // The node address.
+  optional string address = 2;
+}
+
+// Node affinity is a group of node affinity scheduling rules.
+message NodeAffinity {
+  // If the affinity requirements specified by this field are not met at
+  // scheduling time, the pod will not be scheduled onto the node.
+  // If the affinity requirements specified by this field cease to be met
+  // at some point during pod execution (e.g. due to an update), the system
+  // may or may not try to eventually evict the pod from its node.
+  // +optional
+  optional NodeSelector requiredDuringSchedulingIgnoredDuringExecution = 1;
+
+  // The scheduler will prefer to schedule pods to nodes that satisfy
+  // the affinity expressions specified by this field, but it may choose
+  // a node that violates one or more of the expressions. The node that is
+  // most preferred is the one with the greatest sum of weights, i.e.
+  // for each node that meets all of the scheduling requirements (resource
+  // request, requiredDuringScheduling affinity expressions, etc.),
+  // compute a sum by iterating through the elements of this field and adding
+  // "weight" to the sum if the node matches the corresponding matchExpressions; the
+  // node(s) with the highest sum are the most preferred.
+  // +optional
+  repeated PreferredSchedulingTerm preferredDuringSchedulingIgnoredDuringExecution = 2;
+}
+
+// NodeCondition contains condition information for a node.
+message NodeCondition {
+  // Type of node condition.
+  optional string type = 1;
+
+  // Status of the condition, one of True, False, Unknown.
+  optional string status = 2;
+
+  // Last time we got an update on a given condition.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastHeartbeatTime = 3;
+
+  // Last time the condition transit from one status to another.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 4;
+
+  // (brief) reason for the condition's last transition.
+  // +optional
+  optional string reason = 5;
+
+  // Human readable message indicating details about last transition.
+  // +optional
+  optional string message = 6;
+}
+
+// NodeConfigSource specifies a source of node configuration. Exactly one subfield (excluding metadata) must be non-nil.
+message NodeConfigSource {
+  // ConfigMap is a reference to a Node's ConfigMap
+  optional ConfigMapNodeConfigSource configMap = 2;
+}
+
+// NodeConfigStatus describes the status of the config assigned by Node.Spec.ConfigSource.
+message NodeConfigStatus {
+  // Assigned reports the checkpointed config the node will try to use.
+  // When Node.Spec.ConfigSource is updated, the node checkpoints the associated
+  // config payload to local disk, along with a record indicating intended
+  // config. The node refers to this record to choose its config checkpoint, and
+  // reports this record in Assigned. Assigned only updates in the status after
+  // the record has been checkpointed to disk. When the Kubelet is restarted,
+  // it tries to make the Assigned config the Active config by loading and
+  // validating the checkpointed payload identified by Assigned.
+  // +optional
+  optional NodeConfigSource assigned = 1;
+
+  // Active reports the checkpointed config the node is actively using.
+  // Active will represent either the current version of the Assigned config,
+  // or the current LastKnownGood config, depending on whether attempting to use the
+  // Assigned config results in an error.
+  // +optional
+  optional NodeConfigSource active = 2;
+
+  // LastKnownGood reports the checkpointed config the node will fall back to
+  // when it encounters an error attempting to use the Assigned config.
+  // The Assigned config becomes the LastKnownGood config when the node determines
+  // that the Assigned config is stable and correct.
+  // This is currently implemented as a 10-minute soak period starting when the local
+  // record of Assigned config is updated. If the Assigned config is Active at the end
+  // of this period, it becomes the LastKnownGood. Note that if Spec.ConfigSource is
+  // reset to nil (use local defaults), the LastKnownGood is also immediately reset to nil,
+  // because the local default config is always assumed good.
+  // You should not make assumptions about the node's method of determining config stability
+  // and correctness, as this may change or become configurable in the future.
+  // +optional
+  optional NodeConfigSource lastKnownGood = 3;
+
+  // Error describes any problems reconciling the Spec.ConfigSource to the Active config.
+  // Errors may occur, for example, attempting to checkpoint Spec.ConfigSource to the local Assigned
+  // record, attempting to checkpoint the payload associated with Spec.ConfigSource, attempting
+  // to load or validate the Assigned config, etc.
+  // Errors may occur at different points while syncing config. Earlier errors (e.g. download or
+  // checkpointing errors) will not result in a rollback to LastKnownGood, and may resolve across
+  // Kubelet retries. Later errors (e.g. loading or validating a checkpointed config) will result in
+  // a rollback to LastKnownGood. In the latter case, it is usually possible to resolve the error
+  // by fixing the config assigned in Spec.ConfigSource.
+  // You can find additional information for debugging by searching the error message in the Kubelet log.
+  // Error is a human-readable description of the error state; machines can check whether or not Error
+  // is empty, but should not rely on the stability of the Error text across Kubelet versions.
+  // +optional
+  optional string error = 4;
+}
+
+// NodeDaemonEndpoints lists ports opened by daemons running on the Node.
+message NodeDaemonEndpoints {
+  // Endpoint on which Kubelet is listening.
+  // +optional
+  optional DaemonEndpoint kubeletEndpoint = 1;
+}
+
+// NodeList is the whole list of all Nodes which have been registered with master.
+message NodeList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // List of nodes
+  repeated Node items = 2;
+}
+
+// NodeProxyOptions is the query options to a Node's proxy call.
+message NodeProxyOptions {
+  // Path is the URL path to use for the current proxy request to node.
+  // +optional
+  optional string path = 1;
+}
+
+// NodeResources is an object for conveying resource information about a node.
+// see http://releases.k8s.io/HEAD/docs/design/resources.md for more details.
+message NodeResources {
+  // Capacity represents the available resources of a node
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> capacity = 1;
+}
+
+// A node selector represents the union of the results of one or more label queries
+// over a set of nodes; that is, it represents the OR of the selectors represented
+// by the node selector terms.
+message NodeSelector {
+  // Required. A list of node selector terms. The terms are ORed.
+  repeated NodeSelectorTerm nodeSelectorTerms = 1;
+}
+
+// A node selector requirement is a selector that contains values, a key, and an operator
+// that relates the key and values.
+message NodeSelectorRequirement {
+  // The label key that the selector applies to.
+  optional string key = 1;
+
+  // Represents a key's relationship to a set of values.
+  // Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt.
+  optional string operator = 2;
+
+  // An array of string values. If the operator is In or NotIn,
+  // the values array must be non-empty. If the operator is Exists or DoesNotExist,
+  // the values array must be empty. If the operator is Gt or Lt, the values
+  // array must have a single element, which will be interpreted as an integer.
+  // This array is replaced during a strategic merge patch.
+  // +optional
+  repeated string values = 3;
+}
+
+// A null or empty node selector term matches no objects. The requirements of
+// them are ANDed.
+// The TopologySelectorTerm type implements a subset of the NodeSelectorTerm.
+message NodeSelectorTerm {
+  // A list of node selector requirements by node's labels.
+  // +optional
+  repeated NodeSelectorRequirement matchExpressions = 1;
+
+  // A list of node selector requirements by node's fields.
+  // +optional
+  repeated NodeSelectorRequirement matchFields = 2;
+}
+
+// NodeSpec describes the attributes that a node is created with.
+message NodeSpec {
+  // PodCIDR represents the pod IP range assigned to the node.
+  // +optional
+  optional string podCIDR = 1;
+
+  // ID of the node assigned by the cloud provider in the format: <ProviderName>://<ProviderSpecificNodeID>
+  // +optional
+  optional string providerID = 3;
+
+  // Unschedulable controls node schedulability of new pods. By default, node is schedulable.
+  // More info: https://kubernetes.io/docs/concepts/nodes/node/#manual-node-administration
+  // +optional
+  optional bool unschedulable = 4;
+
+  // If specified, the node's taints.
+  // +optional
+  repeated Taint taints = 5;
+
+  // If specified, the source to get node configuration from
+  // The DynamicKubeletConfig feature gate must be enabled for the Kubelet to use this field
+  // +optional
+  optional NodeConfigSource configSource = 6;
+
+  // Deprecated. Not all kubelets will set this field. Remove field after 1.13.
+  // see: https://issues.k8s.io/61966
+  // +optional
+  optional string externalID = 2;
+}
+
+// NodeStatus is information about the current status of a node.
+message NodeStatus {
+  // Capacity represents the total resources of a node.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#capacity
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> capacity = 1;
+
+  // Allocatable represents the resources of a node that are available for scheduling.
+  // Defaults to Capacity.
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> allocatable = 2;
+
+  // NodePhase is the recently observed lifecycle phase of the node.
+  // More info: https://kubernetes.io/docs/concepts/nodes/node/#phase
+  // The field is never populated, and now is deprecated.
+  // +optional
+  optional string phase = 3;
+
+  // Conditions is an array of current observed node conditions.
+  // More info: https://kubernetes.io/docs/concepts/nodes/node/#condition
+  // +optional
+  // +patchMergeKey=type
+  // +patchStrategy=merge
+  repeated NodeCondition conditions = 4;
+
+  // List of addresses reachable to the node.
+  // Queried from cloud provider, if available.
+  // More info: https://kubernetes.io/docs/concepts/nodes/node/#addresses
+  // +optional
+  // +patchMergeKey=type
+  // +patchStrategy=merge
+  repeated NodeAddress addresses = 5;
+
+  // Endpoints of daemons running on the Node.
+  // +optional
+  optional NodeDaemonEndpoints daemonEndpoints = 6;
+
+  // Set of ids/uuids to uniquely identify the node.
+  // More info: https://kubernetes.io/docs/concepts/nodes/node/#info
+  // +optional
+  optional NodeSystemInfo nodeInfo = 7;
+
+  // List of container images on this node
+  // +optional
+  repeated ContainerImage images = 8;
+
+  // List of attachable volumes in use (mounted) by the node.
+  // +optional
+  repeated string volumesInUse = 9;
+
+  // List of volumes that are attached to the node.
+  // +optional
+  repeated AttachedVolume volumesAttached = 10;
+
+  // Status of the config assigned to the node via the dynamic Kubelet config feature.
+  // +optional
+  optional NodeConfigStatus config = 11;
+}
+
+// NodeSystemInfo is a set of ids/uuids to uniquely identify the node.
+message NodeSystemInfo {
+  // MachineID reported by the node. For unique machine identification
+  // in the cluster this field is preferred. Learn more from man(5)
+  // machine-id: http://man7.org/linux/man-pages/man5/machine-id.5.html
+  optional string machineID = 1;
+
+  // SystemUUID reported by the node. For unique machine identification
+  // MachineID is preferred. This field is specific to Red Hat hosts
+  // https://access.redhat.com/documentation/en-US/Red_Hat_Subscription_Management/1/html/RHSM/getting-system-uuid.html
+  optional string systemUUID = 2;
+
+  // Boot ID reported by the node.
+  optional string bootID = 3;
+
+  // Kernel Version reported by the node from 'uname -r' (e.g. 3.16.0-0.bpo.4-amd64).
+  optional string kernelVersion = 4;
+
+  // OS Image reported by the node from /etc/os-release (e.g. Debian GNU/Linux 7 (wheezy)).
+  optional string osImage = 5;
+
+  // ContainerRuntime Version reported by the node through runtime remote API (e.g. docker://1.5.0).
+  optional string containerRuntimeVersion = 6;
+
+  // Kubelet Version reported by the node.
+  optional string kubeletVersion = 7;
+
+  // KubeProxy Version reported by the node.
+  optional string kubeProxyVersion = 8;
+
+  // The Operating System reported by the node
+  optional string operatingSystem = 9;
+
+  // The Architecture reported by the node
+  optional string architecture = 10;
+}
+
+// ObjectFieldSelector selects an APIVersioned field of an object.
+message ObjectFieldSelector {
+  // Version of the schema the FieldPath is written in terms of, defaults to "v1".
+  // +optional
+  optional string apiVersion = 1;
+
+  // Path of the field to select in the specified API version.
+  optional string fieldPath = 2;
+}
+
+// ObjectReference contains enough information to let you inspect or modify the referred object.
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+message ObjectReference {
+  // Kind of the referent.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional string kind = 1;
+
+  // Namespace of the referent.
+  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces/
+  // +optional
+  optional string namespace = 2;
+
+  // Name of the referent.
+  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
+  // +optional
+  optional string name = 3;
+
+  // UID of the referent.
+  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#uids
+  // +optional
+  optional string uid = 4;
+
+  // API version of the referent.
+  // +optional
+  optional string apiVersion = 5;
+
+  // Specific resourceVersion to which this reference is made, if any.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#concurrency-control-and-consistency
+  // +optional
+  optional string resourceVersion = 6;
+
+  // If referring to a piece of an object instead of an entire object, this string
+  // should contain a valid JSON/Go field access statement, such as desiredState.manifest.containers[2].
+  // For example, if the object reference is to a container within a pod, this would take on a value like:
+  // "spec.containers{name}" (where "name" refers to the name of the container that triggered
+  // the event) or if no container name is specified "spec.containers[2]" (container with
+  // index 2 in this pod). This syntax is chosen only to have some well-defined way of
+  // referencing a part of an object.
+  // TODO: this design is not final and this field is subject to change in the future.
+  // +optional
+  optional string fieldPath = 7;
+}
+
+// PersistentVolume (PV) is a storage resource provisioned by an administrator.
+// It is analogous to a node.
+// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes
+message PersistentVolume {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Spec defines a specification of a persistent volume owned by the cluster.
+  // Provisioned by an administrator.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistent-volumes
+  // +optional
+  optional PersistentVolumeSpec spec = 2;
+
+  // Status represents the current information/status for the persistent volume.
+  // Populated by the system.
+  // Read-only.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistent-volumes
+  // +optional
+  optional PersistentVolumeStatus status = 3;
+}
+
+// PersistentVolumeClaim is a user's request for and claim to a persistent volume
+message PersistentVolumeClaim {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Spec defines the desired characteristics of a volume requested by a pod author.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims
+  // +optional
+  optional PersistentVolumeClaimSpec spec = 2;
+
+  // Status represents the current information/status of a persistent volume claim.
+  // Read-only.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims
+  // +optional
+  optional PersistentVolumeClaimStatus status = 3;
+}
+
+// PersistentVolumeClaimCondition contails details about state of pvc
+message PersistentVolumeClaimCondition {
+  optional string type = 1;
+
+  optional string status = 2;
+
+  // Last time we probed the condition.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastProbeTime = 3;
+
+  // Last time the condition transitioned from one status to another.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 4;
+
+  // Unique, this should be a short, machine understandable string that gives the reason
+  // for condition's last transition. If it reports "ResizeStarted" that means the underlying
+  // persistent volume is being resized.
+  // +optional
+  optional string reason = 5;
+
+  // Human-readable message indicating details about last transition.
+  // +optional
+  optional string message = 6;
+}
+
+// PersistentVolumeClaimList is a list of PersistentVolumeClaim items.
+message PersistentVolumeClaimList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // A list of persistent volume claims.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims
+  repeated PersistentVolumeClaim items = 2;
+}
+
+// PersistentVolumeClaimSpec describes the common attributes of storage devices
+// and allows a Source for provider-specific attributes
+message PersistentVolumeClaimSpec {
+  // AccessModes contains the desired access modes the volume should have.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#access-modes-1
+  // +optional
+  repeated string accessModes = 1;
+
+  // A label query over volumes to consider for binding.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 4;
+
+  // Resources represents the minimum resources the volume should have.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#resources
+  // +optional
+  optional ResourceRequirements resources = 2;
+
+  // VolumeName is the binding reference to the PersistentVolume backing this claim.
+  // +optional
+  optional string volumeName = 3;
+
+  // Name of the StorageClass required by the claim.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1
+  // +optional
+  optional string storageClassName = 5;
+
+  // volumeMode defines what type of volume is required by the claim.
+  // Value of Filesystem is implied when not included in claim spec.
+  // This is a beta feature.
+  // +optional
+  optional string volumeMode = 6;
+
+  // This field requires the VolumeSnapshotDataSource alpha feature gate to be
+  // enabled and currently VolumeSnapshot is the only supported data source.
+  // If the provisioner can support VolumeSnapshot data source, it will create
+  // a new volume and data will be restored to the volume at the same time.
+  // If the provisioner does not support VolumeSnapshot data source, volume will
+  // not be created and the failure will be reported as an event.
+  // In the future, we plan to support more data source types and the behavior
+  // of the provisioner may change.
+  // +optional
+  optional TypedLocalObjectReference dataSource = 7;
+}
+
+// PersistentVolumeClaimStatus is the current status of a persistent volume claim.
+message PersistentVolumeClaimStatus {
+  // Phase represents the current phase of PersistentVolumeClaim.
+  // +optional
+  optional string phase = 1;
+
+  // AccessModes contains the actual access modes the volume backing the PVC has.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#access-modes-1
+  // +optional
+  repeated string accessModes = 2;
+
+  // Represents the actual resources of the underlying volume.
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> capacity = 3;
+
+  // Current Condition of persistent volume claim. If underlying persistent volume is being
+  // resized then the Condition will be set to 'ResizeStarted'.
+  // +optional
+  // +patchMergeKey=type
+  // +patchStrategy=merge
+  repeated PersistentVolumeClaimCondition conditions = 4;
+}
+
+// PersistentVolumeClaimVolumeSource references the user's PVC in the same namespace.
+// This volume finds the bound PV and mounts that volume for the pod. A
+// PersistentVolumeClaimVolumeSource is, essentially, a wrapper around another
+// type of volume that is owned by someone else (the system).
+message PersistentVolumeClaimVolumeSource {
+  // ClaimName is the name of a PersistentVolumeClaim in the same namespace as the pod using this volume.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims
+  optional string claimName = 1;
+
+  // Will force the ReadOnly setting in VolumeMounts.
+  // Default false.
+  // +optional
+  optional bool readOnly = 2;
+}
+
+// PersistentVolumeList is a list of PersistentVolume items.
+message PersistentVolumeList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // List of persistent volumes.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes
+  repeated PersistentVolume items = 2;
+}
+
+// PersistentVolumeSource is similar to VolumeSource but meant for the
+// administrator who creates PVs. Exactly one of its members must be set.
+message PersistentVolumeSource {
+  // GCEPersistentDisk represents a GCE Disk resource that is attached to a
+  // kubelet's host machine and then exposed to the pod. Provisioned by an admin.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk
+  // +optional
+  optional GCEPersistentDiskVolumeSource gcePersistentDisk = 1;
+
+  // AWSElasticBlockStore represents an AWS Disk resource that is attached to a
+  // kubelet's host machine and then exposed to the pod.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore
+  // +optional
+  optional AWSElasticBlockStoreVolumeSource awsElasticBlockStore = 2;
+
+  // HostPath represents a directory on the host.
+  // Provisioned by a developer or tester.
+  // This is useful for single-node development and testing only!
+  // On-host storage is not supported in any way and WILL NOT WORK in a multi-node cluster.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath
+  // +optional
+  optional HostPathVolumeSource hostPath = 3;
+
+  // Glusterfs represents a Glusterfs volume that is attached to a host and
+  // exposed to the pod. Provisioned by an admin.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/glusterfs/README.md
+  // +optional
+  optional GlusterfsPersistentVolumeSource glusterfs = 4;
+
+  // NFS represents an NFS mount on the host. Provisioned by an admin.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs
+  // +optional
+  optional NFSVolumeSource nfs = 5;
+
+  // RBD represents a Rados Block Device mount on the host that shares a pod's lifetime.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md
+  // +optional
+  optional RBDPersistentVolumeSource rbd = 6;
+
+  // ISCSI represents an ISCSI Disk resource that is attached to a
+  // kubelet's host machine and then exposed to the pod. Provisioned by an admin.
+  // +optional
+  optional ISCSIPersistentVolumeSource iscsi = 7;
+
+  // Cinder represents a cinder volume attached and mounted on kubelets host machine
+  // More info: https://releases.k8s.io/HEAD/examples/mysql-cinder-pd/README.md
+  // +optional
+  optional CinderPersistentVolumeSource cinder = 8;
+
+  // CephFS represents a Ceph FS mount on the host that shares a pod's lifetime
+  // +optional
+  optional CephFSPersistentVolumeSource cephfs = 9;
+
+  // FC represents a Fibre Channel resource that is attached to a kubelet's host machine and then exposed to the pod.
+  // +optional
+  optional FCVolumeSource fc = 10;
+
+  // Flocker represents a Flocker volume attached to a kubelet's host machine and exposed to the pod for its usage. This depends on the Flocker control service being running
+  // +optional
+  optional FlockerVolumeSource flocker = 11;
+
+  // FlexVolume represents a generic volume resource that is
+  // provisioned/attached using an exec based plugin.
+  // +optional
+  optional FlexPersistentVolumeSource flexVolume = 12;
+
+  // AzureFile represents an Azure File Service mount on the host and bind mount to the pod.
+  // +optional
+  optional AzureFilePersistentVolumeSource azureFile = 13;
+
+  // VsphereVolume represents a vSphere volume attached and mounted on kubelets host machine
+  // +optional
+  optional VsphereVirtualDiskVolumeSource vsphereVolume = 14;
+
+  // Quobyte represents a Quobyte mount on the host that shares a pod's lifetime
+  // +optional
+  optional QuobyteVolumeSource quobyte = 15;
+
+  // AzureDisk represents an Azure Data Disk mount on the host and bind mount to the pod.
+  // +optional
+  optional AzureDiskVolumeSource azureDisk = 16;
+
+  // PhotonPersistentDisk represents a PhotonController persistent disk attached and mounted on kubelets host machine
+  optional PhotonPersistentDiskVolumeSource photonPersistentDisk = 17;
+
+  // PortworxVolume represents a portworx volume attached and mounted on kubelets host machine
+  // +optional
+  optional PortworxVolumeSource portworxVolume = 18;
+
+  // ScaleIO represents a ScaleIO persistent volume attached and mounted on Kubernetes nodes.
+  // +optional
+  optional ScaleIOPersistentVolumeSource scaleIO = 19;
+
+  // Local represents directly-attached storage with node affinity
+  // +optional
+  optional LocalVolumeSource local = 20;
+
+  // StorageOS represents a StorageOS volume that is attached to the kubelet's host machine and mounted into the pod
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/storageos/README.md
+  // +optional
+  optional StorageOSPersistentVolumeSource storageos = 21;
+
+  // CSI represents storage that handled by an external CSI driver (Beta feature).
+  // +optional
+  optional CSIPersistentVolumeSource csi = 22;
+}
+
+// PersistentVolumeSpec is the specification of a persistent volume.
+message PersistentVolumeSpec {
+  // A description of the persistent volume's resources and capacity.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#capacity
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> capacity = 1;
+
+  // The actual volume backing the persistent volume.
+  optional PersistentVolumeSource persistentVolumeSource = 2;
+
+  // AccessModes contains all ways the volume can be mounted.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#access-modes
+  // +optional
+  repeated string accessModes = 3;
+
+  // ClaimRef is part of a bi-directional binding between PersistentVolume and PersistentVolumeClaim.
+  // Expected to be non-nil when bound.
+  // claim.VolumeName is the authoritative bind between PV and PVC.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#binding
+  // +optional
+  optional ObjectReference claimRef = 4;
+
+  // What happens to a persistent volume when released from its claim.
+  // Valid options are Retain (default for manually created PersistentVolumes), Delete (default
+  // for dynamically provisioned PersistentVolumes), and Recycle (deprecated).
+  // Recycle must be supported by the volume plugin underlying this PersistentVolume.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#reclaiming
+  // +optional
+  optional string persistentVolumeReclaimPolicy = 5;
+
+  // Name of StorageClass to which this persistent volume belongs. Empty value
+  // means that this volume does not belong to any StorageClass.
+  // +optional
+  optional string storageClassName = 6;
+
+  // A list of mount options, e.g. ["ro", "soft"]. Not validated - mount will
+  // simply fail if one is invalid.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes/#mount-options
+  // +optional
+  repeated string mountOptions = 7;
+
+  // volumeMode defines if a volume is intended to be used with a formatted filesystem
+  // or to remain in raw block state. Value of Filesystem is implied when not included in spec.
+  // This is a beta feature.
+  // +optional
+  optional string volumeMode = 8;
+
+  // NodeAffinity defines constraints that limit what nodes this volume can be accessed from.
+  // This field influences the scheduling of pods that use this volume.
+  // +optional
+  optional VolumeNodeAffinity nodeAffinity = 9;
+}
+
+// PersistentVolumeStatus is the current status of a persistent volume.
+message PersistentVolumeStatus {
+  // Phase indicates if a volume is available, bound to a claim, or released by a claim.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#phase
+  // +optional
+  optional string phase = 1;
+
+  // A human-readable message indicating details about why the volume is in this state.
+  // +optional
+  optional string message = 2;
+
+  // Reason is a brief CamelCase string that describes any failure and is meant
+  // for machine parsing and tidy display in the CLI.
+  // +optional
+  optional string reason = 3;
+}
+
+// Represents a Photon Controller persistent disk resource.
+message PhotonPersistentDiskVolumeSource {
+  // ID that identifies Photon Controller persistent disk
+  optional string pdID = 1;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  optional string fsType = 2;
+}
+
+// Pod is a collection of containers that can run on a host. This resource is created
+// by clients and scheduled onto hosts.
+message Pod {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Specification of the desired behavior of the pod.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional PodSpec spec = 2;
+
+  // Most recently observed status of the pod.
+  // This data may not be up to date.
+  // Populated by the system.
+  // Read-only.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional PodStatus status = 3;
+}
+
+// Pod affinity is a group of inter pod affinity scheduling rules.
+message PodAffinity {
+  // If the affinity requirements specified by this field are not met at
+  // scheduling time, the pod will not be scheduled onto the node.
+  // If the affinity requirements specified by this field cease to be met
+  // at some point during pod execution (e.g. due to a pod label update), the
+  // system may or may not try to eventually evict the pod from its node.
+  // When there are multiple elements, the lists of nodes corresponding to each
+  // podAffinityTerm are intersected, i.e. all terms must be satisfied.
+  // +optional
+  repeated PodAffinityTerm requiredDuringSchedulingIgnoredDuringExecution = 1;
+
+  // The scheduler will prefer to schedule pods to nodes that satisfy
+  // the affinity expressions specified by this field, but it may choose
+  // a node that violates one or more of the expressions. The node that is
+  // most preferred is the one with the greatest sum of weights, i.e.
+  // for each node that meets all of the scheduling requirements (resource
+  // request, requiredDuringScheduling affinity expressions, etc.),
+  // compute a sum by iterating through the elements of this field and adding
+  // "weight" to the sum if the node has pods which matches the corresponding podAffinityTerm; the
+  // node(s) with the highest sum are the most preferred.
+  // +optional
+  repeated WeightedPodAffinityTerm preferredDuringSchedulingIgnoredDuringExecution = 2;
+}
+
+// Defines a set of pods (namely those matching the labelSelector
+// relative to the given namespace(s)) that this pod should be
+// co-located (affinity) or not co-located (anti-affinity) with,
+// where co-located is defined as running on a node whose value of
+// the label with key <topologyKey> matches that of any node on which
+// a pod of the set of pods is running
+message PodAffinityTerm {
+  // A label query over a set of resources, in this case pods.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector labelSelector = 1;
+
+  // namespaces specifies which namespaces the labelSelector applies to (matches against);
+  // null or empty list means "this pod's namespace"
+  // +optional
+  repeated string namespaces = 2;
+
+  // This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching
+  // the labelSelector in the specified namespaces, where co-located is defined as running on a node
+  // whose value of the label with key topologyKey matches that of any node on which any of the
+  // selected pods is running.
+  // Empty topologyKey is not allowed.
+  optional string topologyKey = 3;
+}
+
+// Pod anti affinity is a group of inter pod anti affinity scheduling rules.
+message PodAntiAffinity {
+  // If the anti-affinity requirements specified by this field are not met at
+  // scheduling time, the pod will not be scheduled onto the node.
+  // If the anti-affinity requirements specified by this field cease to be met
+  // at some point during pod execution (e.g. due to a pod label update), the
+  // system may or may not try to eventually evict the pod from its node.
+  // When there are multiple elements, the lists of nodes corresponding to each
+  // podAffinityTerm are intersected, i.e. all terms must be satisfied.
+  // +optional
+  repeated PodAffinityTerm requiredDuringSchedulingIgnoredDuringExecution = 1;
+
+  // The scheduler will prefer to schedule pods to nodes that satisfy
+  // the anti-affinity expressions specified by this field, but it may choose
+  // a node that violates one or more of the expressions. The node that is
+  // most preferred is the one with the greatest sum of weights, i.e.
+  // for each node that meets all of the scheduling requirements (resource
+  // request, requiredDuringScheduling anti-affinity expressions, etc.),
+  // compute a sum by iterating through the elements of this field and adding
+  // "weight" to the sum if the node has pods which matches the corresponding podAffinityTerm; the
+  // node(s) with the highest sum are the most preferred.
+  // +optional
+  repeated WeightedPodAffinityTerm preferredDuringSchedulingIgnoredDuringExecution = 2;
+}
+
+// PodAttachOptions is the query options to a Pod's remote attach call.
+// ---
+// TODO: merge w/ PodExecOptions below for stdin, stdout, etc
+// and also when we cut V2, we should export a "StreamOptions" or somesuch that contains Stdin, Stdout, Stder and TTY
+message PodAttachOptions {
+  // Stdin if true, redirects the standard input stream of the pod for this call.
+  // Defaults to false.
+  // +optional
+  optional bool stdin = 1;
+
+  // Stdout if true indicates that stdout is to be redirected for the attach call.
+  // Defaults to true.
+  // +optional
+  optional bool stdout = 2;
+
+  // Stderr if true indicates that stderr is to be redirected for the attach call.
+  // Defaults to true.
+  // +optional
+  optional bool stderr = 3;
+
+  // TTY if true indicates that a tty will be allocated for the attach call.
+  // This is passed through the container runtime so the tty
+  // is allocated on the worker node by the container runtime.
+  // Defaults to false.
+  // +optional
+  optional bool tty = 4;
+
+  // The container in which to execute the command.
+  // Defaults to only container if there is only one container in the pod.
+  // +optional
+  optional string container = 5;
+}
+
+// PodCondition contains details for the current condition of this pod.
+message PodCondition {
+  // Type is the type of the condition.
+  // More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#pod-conditions
+  optional string type = 1;
+
+  // Status is the status of the condition.
+  // Can be True, False, Unknown.
+  // More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#pod-conditions
+  optional string status = 2;
+
+  // Last time we probed the condition.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastProbeTime = 3;
+
+  // Last time the condition transitioned from one status to another.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 4;
+
+  // Unique, one-word, CamelCase reason for the condition's last transition.
+  // +optional
+  optional string reason = 5;
+
+  // Human-readable message indicating details about last transition.
+  // +optional
+  optional string message = 6;
+}
+
+// PodDNSConfig defines the DNS parameters of a pod in addition to
+// those generated from DNSPolicy.
+message PodDNSConfig {
+  // A list of DNS name server IP addresses.
+  // This will be appended to the base nameservers generated from DNSPolicy.
+  // Duplicated nameservers will be removed.
+  // +optional
+  repeated string nameservers = 1;
+
+  // A list of DNS search domains for host-name lookup.
+  // This will be appended to the base search paths generated from DNSPolicy.
+  // Duplicated search paths will be removed.
+  // +optional
+  repeated string searches = 2;
+
+  // A list of DNS resolver options.
+  // This will be merged with the base options generated from DNSPolicy.
+  // Duplicated entries will be removed. Resolution options given in Options
+  // will override those that appear in the base DNSPolicy.
+  // +optional
+  repeated PodDNSConfigOption options = 3;
+}
+
+// PodDNSConfigOption defines DNS resolver options of a pod.
+message PodDNSConfigOption {
+  // Required.
+  optional string name = 1;
+
+  // +optional
+  optional string value = 2;
+}
+
+// PodExecOptions is the query options to a Pod's remote exec call.
+// ---
+// TODO: This is largely identical to PodAttachOptions above, make sure they stay in sync and see about merging
+// and also when we cut V2, we should export a "StreamOptions" or somesuch that contains Stdin, Stdout, Stder and TTY
+message PodExecOptions {
+  // Redirect the standard input stream of the pod for this call.
+  // Defaults to false.
+  // +optional
+  optional bool stdin = 1;
+
+  // Redirect the standard output stream of the pod for this call.
+  // Defaults to true.
+  // +optional
+  optional bool stdout = 2;
+
+  // Redirect the standard error stream of the pod for this call.
+  // Defaults to true.
+  // +optional
+  optional bool stderr = 3;
+
+  // TTY if true indicates that a tty will be allocated for the exec call.
+  // Defaults to false.
+  // +optional
+  optional bool tty = 4;
+
+  // Container in which to execute the command.
+  // Defaults to only container if there is only one container in the pod.
+  // +optional
+  optional string container = 5;
+
+  // Command is the remote command to execute. argv array. Not executed within a shell.
+  repeated string command = 6;
+}
+
+// PodList is a list of Pods.
+message PodList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // List of pods.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md
+  repeated Pod items = 2;
+}
+
+// PodLogOptions is the query options for a Pod's logs REST call.
+message PodLogOptions {
+  // The container for which to stream logs. Defaults to only container if there is one container in the pod.
+  // +optional
+  optional string container = 1;
+
+  // Follow the log stream of the pod. Defaults to false.
+  // +optional
+  optional bool follow = 2;
+
+  // Return previous terminated container logs. Defaults to false.
+  // +optional
+  optional bool previous = 3;
+
+  // A relative time in seconds before the current time from which to show logs. If this value
+  // precedes the time a pod was started, only logs since the pod start will be returned.
+  // If this value is in the future, no logs will be returned.
+  // Only one of sinceSeconds or sinceTime may be specified.
+  // +optional
+  optional int64 sinceSeconds = 4;
+
+  // An RFC3339 timestamp from which to show logs. If this value
+  // precedes the time a pod was started, only logs since the pod start will be returned.
+  // If this value is in the future, no logs will be returned.
+  // Only one of sinceSeconds or sinceTime may be specified.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time sinceTime = 5;
+
+  // If true, add an RFC3339 or RFC3339Nano timestamp at the beginning of every line
+  // of log output. Defaults to false.
+  // +optional
+  optional bool timestamps = 6;
+
+  // If set, the number of lines from the end of the logs to show. If not specified,
+  // logs are shown from the creation of the container or sinceSeconds or sinceTime
+  // +optional
+  optional int64 tailLines = 7;
+
+  // If set, the number of bytes to read from the server before terminating the
+  // log output. This may not display a complete final line of logging, and may return
+  // slightly more or slightly less than the specified limit.
+  // +optional
+  optional int64 limitBytes = 8;
+}
+
+// PodPortForwardOptions is the query options to a Pod's port forward call
+// when using WebSockets.
+// The `port` query parameter must specify the port or
+// ports (comma separated) to forward over.
+// Port forwarding over SPDY does not use these options. It requires the port
+// to be passed in the `port` header as part of request.
+message PodPortForwardOptions {
+  // List of ports to forward
+  // Required when using WebSockets
+  // +optional
+  repeated int32 ports = 1;
+}
+
+// PodProxyOptions is the query options to a Pod's proxy call.
+message PodProxyOptions {
+  // Path is the URL path to use for the current proxy request to pod.
+  // +optional
+  optional string path = 1;
+}
+
+// PodReadinessGate contains the reference to a pod condition
+message PodReadinessGate {
+  // ConditionType refers to a condition in the pod's condition list with matching type.
+  optional string conditionType = 1;
+}
+
+// PodSecurityContext holds pod-level security attributes and common container settings.
+// Some fields are also present in container.securityContext.  Field values of
+// container.securityContext take precedence over field values of PodSecurityContext.
+message PodSecurityContext {
+  // The SELinux context to be applied to all containers.
+  // If unspecified, the container runtime will allocate a random SELinux context for each
+  // container.  May also be set in SecurityContext.  If set in
+  // both SecurityContext and PodSecurityContext, the value specified in SecurityContext
+  // takes precedence for that container.
+  // +optional
+  optional SELinuxOptions seLinuxOptions = 1;
+
+  // The UID to run the entrypoint of the container process.
+  // Defaults to user specified in image metadata if unspecified.
+  // May also be set in SecurityContext.  If set in both SecurityContext and
+  // PodSecurityContext, the value specified in SecurityContext takes precedence
+  // for that container.
+  // +optional
+  optional int64 runAsUser = 2;
+
+  // The GID to run the entrypoint of the container process.
+  // Uses runtime default if unset.
+  // May also be set in SecurityContext.  If set in both SecurityContext and
+  // PodSecurityContext, the value specified in SecurityContext takes precedence
+  // for that container.
+  // +optional
+  optional int64 runAsGroup = 6;
+
+  // Indicates that the container must run as a non-root user.
+  // If true, the Kubelet will validate the image at runtime to ensure that it
+  // does not run as UID 0 (root) and fail to start the container if it does.
+  // If unset or false, no such validation will be performed.
+  // May also be set in SecurityContext.  If set in both SecurityContext and
+  // PodSecurityContext, the value specified in SecurityContext takes precedence.
+  // +optional
+  optional bool runAsNonRoot = 3;
+
+  // A list of groups applied to the first process run in each container, in addition
+  // to the container's primary GID.  If unspecified, no groups will be added to
+  // any container.
+  // +optional
+  repeated int64 supplementalGroups = 4;
+
+  // A special supplemental group that applies to all containers in a pod.
+  // Some volume types allow the Kubelet to change the ownership of that volume
+  // to be owned by the pod:
+  //
+  // 1. The owning GID will be the FSGroup
+  // 2. The setgid bit is set (new files created in the volume will be owned by FSGroup)
+  // 3. The permission bits are OR'd with rw-rw----
+  //
+  // If unset, the Kubelet will not modify the ownership and permissions of any volume.
+  // +optional
+  optional int64 fsGroup = 5;
+
+  // Sysctls hold a list of namespaced sysctls used for the pod. Pods with unsupported
+  // sysctls (by the container runtime) might fail to launch.
+  // +optional
+  repeated Sysctl sysctls = 7;
+}
+
+// Describes the class of pods that should avoid this node.
+// Exactly one field should be set.
+message PodSignature {
+  // Reference to controller whose pods should avoid this node.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.OwnerReference podController = 1;
+}
+
+// PodSpec is a description of a pod.
+message PodSpec {
+  // List of volumes that can be mounted by containers belonging to the pod.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes
+  // +optional
+  // +patchMergeKey=name
+  // +patchStrategy=merge,retainKeys
+  repeated Volume volumes = 1;
+
+  // List of initialization containers belonging to the pod.
+  // Init containers are executed in order prior to containers being started. If any
+  // init container fails, the pod is considered to have failed and is handled according
+  // to its restartPolicy. The name for an init container or normal container must be
+  // unique among all containers.
+  // Init containers may not have Lifecycle actions, Readiness probes, or Liveness probes.
+  // The resourceRequirements of an init container are taken into account during scheduling
+  // by finding the highest request/limit for each resource type, and then using the max of
+  // of that value or the sum of the normal containers. Limits are applied to init containers
+  // in a similar fashion.
+  // Init containers cannot currently be added or removed.
+  // Cannot be updated.
+  // More info: https://kubernetes.io/docs/concepts/workloads/pods/init-containers/
+  // +patchMergeKey=name
+  // +patchStrategy=merge
+  repeated Container initContainers = 20;
+
+  // List of containers belonging to the pod.
+  // Containers cannot currently be added or removed.
+  // There must be at least one container in a Pod.
+  // Cannot be updated.
+  // +patchMergeKey=name
+  // +patchStrategy=merge
+  repeated Container containers = 2;
+
+  // Restart policy for all containers within the pod.
+  // One of Always, OnFailure, Never.
+  // Default to Always.
+  // More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#restart-policy
+  // +optional
+  optional string restartPolicy = 3;
+
+  // Optional duration in seconds the pod needs to terminate gracefully. May be decreased in delete request.
+  // Value must be non-negative integer. The value zero indicates delete immediately.
+  // If this value is nil, the default grace period will be used instead.
+  // The grace period is the duration in seconds after the processes running in the pod are sent
+  // a termination signal and the time when the processes are forcibly halted with a kill signal.
+  // Set this value longer than the expected cleanup time for your process.
+  // Defaults to 30 seconds.
+  // +optional
+  optional int64 terminationGracePeriodSeconds = 4;
+
+  // Optional duration in seconds the pod may be active on the node relative to
+  // StartTime before the system will actively try to mark it failed and kill associated containers.
+  // Value must be a positive integer.
+  // +optional
+  optional int64 activeDeadlineSeconds = 5;
+
+  // Set DNS policy for the pod.
+  // Defaults to "ClusterFirst".
+  // Valid values are 'ClusterFirstWithHostNet', 'ClusterFirst', 'Default' or 'None'.
+  // DNS parameters given in DNSConfig will be merged with the policy selected with DNSPolicy.
+  // To have DNS options set along with hostNetwork, you have to specify DNS policy
+  // explicitly to 'ClusterFirstWithHostNet'.
+  // +optional
+  optional string dnsPolicy = 6;
+
+  // NodeSelector is a selector which must be true for the pod to fit on a node.
+  // Selector which must match a node's labels for the pod to be scheduled on that node.
+  // More info: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/
+  // +optional
+  map<string, string> nodeSelector = 7;
+
+  // ServiceAccountName is the name of the ServiceAccount to use to run this pod.
+  // More info: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/
+  // +optional
+  optional string serviceAccountName = 8;
+
+  // DeprecatedServiceAccount is a depreciated alias for ServiceAccountName.
+  // Deprecated: Use serviceAccountName instead.
+  // +k8s:conversion-gen=false
+  // +optional
+  optional string serviceAccount = 9;
+
+  // AutomountServiceAccountToken indicates whether a service account token should be automatically mounted.
+  // +optional
+  optional bool automountServiceAccountToken = 21;
+
+  // NodeName is a request to schedule this pod onto a specific node. If it is non-empty,
+  // the scheduler simply schedules this pod onto that node, assuming that it fits resource
+  // requirements.
+  // +optional
+  optional string nodeName = 10;
+
+  // Host networking requested for this pod. Use the host's network namespace.
+  // If this option is set, the ports that will be used must be specified.
+  // Default to false.
+  // +k8s:conversion-gen=false
+  // +optional
+  optional bool hostNetwork = 11;
+
+  // Use the host's pid namespace.
+  // Optional: Default to false.
+  // +k8s:conversion-gen=false
+  // +optional
+  optional bool hostPID = 12;
+
+  // Use the host's ipc namespace.
+  // Optional: Default to false.
+  // +k8s:conversion-gen=false
+  // +optional
+  optional bool hostIPC = 13;
+
+  // Share a single process namespace between all of the containers in a pod.
+  // When this is set containers will be able to view and signal processes from other containers
+  // in the same pod, and the first process in each container will not be assigned PID 1.
+  // HostPID and ShareProcessNamespace cannot both be set.
+  // Optional: Default to false.
+  // This field is beta-level and may be disabled with the PodShareProcessNamespace feature.
+  // +k8s:conversion-gen=false
+  // +optional
+  optional bool shareProcessNamespace = 27;
+
+  // SecurityContext holds pod-level security attributes and common container settings.
+  // Optional: Defaults to empty.  See type description for default values of each field.
+  // +optional
+  optional PodSecurityContext securityContext = 14;
+
+  // ImagePullSecrets is an optional list of references to secrets in the same namespace to use for pulling any of the images used by this PodSpec.
+  // If specified, these secrets will be passed to individual puller implementations for them to use. For example,
+  // in the case of docker, only DockerConfig type secrets are honored.
+  // More info: https://kubernetes.io/docs/concepts/containers/images#specifying-imagepullsecrets-on-a-pod
+  // +optional
+  // +patchMergeKey=name
+  // +patchStrategy=merge
+  repeated LocalObjectReference imagePullSecrets = 15;
+
+  // Specifies the hostname of the Pod
+  // If not specified, the pod's hostname will be set to a system-defined value.
+  // +optional
+  optional string hostname = 16;
+
+  // If specified, the fully qualified Pod hostname will be "<hostname>.<subdomain>.<pod namespace>.svc.<cluster domain>".
+  // If not specified, the pod will not have a domainname at all.
+  // +optional
+  optional string subdomain = 17;
+
+  // If specified, the pod's scheduling constraints
+  // +optional
+  optional Affinity affinity = 18;
+
+  // If specified, the pod will be dispatched by specified scheduler.
+  // If not specified, the pod will be dispatched by default scheduler.
+  // +optional
+  optional string schedulerName = 19;
+
+  // If specified, the pod's tolerations.
+  // +optional
+  repeated Toleration tolerations = 22;
+
+  // HostAliases is an optional list of hosts and IPs that will be injected into the pod's hosts
+  // file if specified. This is only valid for non-hostNetwork pods.
+  // +optional
+  // +patchMergeKey=ip
+  // +patchStrategy=merge
+  repeated HostAlias hostAliases = 23;
+
+  // If specified, indicates the pod's priority. "system-node-critical" and
+  // "system-cluster-critical" are two special keywords which indicate the
+  // highest priorities with the former being the highest priority. Any other
+  // name must be defined by creating a PriorityClass object with that name.
+  // If not specified, the pod priority will be default or zero if there is no
+  // default.
+  // +optional
+  optional string priorityClassName = 24;
+
+  // The priority value. Various system components use this field to find the
+  // priority of the pod. When Priority Admission Controller is enabled, it
+  // prevents users from setting this field. The admission controller populates
+  // this field from PriorityClassName.
+  // The higher the value, the higher the priority.
+  // +optional
+  optional int32 priority = 25;
+
+  // Specifies the DNS parameters of a pod.
+  // Parameters specified here will be merged to the generated DNS
+  // configuration based on DNSPolicy.
+  // +optional
+  optional PodDNSConfig dnsConfig = 26;
+
+  // If specified, all readiness gates will be evaluated for pod readiness.
+  // A pod is ready when all its containers are ready AND
+  // all conditions specified in the readiness gates have status equal to "True"
+  // More info: https://github.com/kubernetes/community/blob/master/keps/sig-network/0007-pod-ready%2B%2B.md
+  // +optional
+  repeated PodReadinessGate readinessGates = 28;
+
+  // RuntimeClassName refers to a RuntimeClass object in the node.k8s.io group, which should be used
+  // to run this pod.  If no RuntimeClass resource matches the named class, the pod will not be run.
+  // If unset or empty, the "legacy" RuntimeClass will be used, which is an implicit class with an
+  // empty definition that uses the default runtime handler.
+  // More info: https://github.com/kubernetes/community/blob/master/keps/sig-node/0014-runtime-class.md
+  // This is an alpha feature and may change in the future.
+  // +optional
+  optional string runtimeClassName = 29;
+
+  // EnableServiceLinks indicates whether information about services should be injected into pod's
+  // environment variables, matching the syntax of Docker links.
+  // +optional
+  optional bool enableServiceLinks = 30;
+}
+
+// PodStatus represents information about the status of a pod. Status may trail the actual
+// state of a system, especially if the node that hosts the pod cannot contact the control
+// plane.
+message PodStatus {
+  // The phase of a Pod is a simple, high-level summary of where the Pod is in its lifecycle.
+  // The conditions array, the reason and message fields, and the individual container status
+  // arrays contain more detail about the pod's status.
+  // There are five possible phase values:
+  //
+  // Pending: The pod has been accepted by the Kubernetes system, but one or more of the
+  // container images has not been created. This includes time before being scheduled as
+  // well as time spent downloading images over the network, which could take a while.
+  // Running: The pod has been bound to a node, and all of the containers have been created.
+  // At least one container is still running, or is in the process of starting or restarting.
+  // Succeeded: All containers in the pod have terminated in success, and will not be restarted.
+  // Failed: All containers in the pod have terminated, and at least one container has
+  // terminated in failure. The container either exited with non-zero status or was terminated
+  // by the system.
+  // Unknown: For some reason the state of the pod could not be obtained, typically due to an
+  // error in communicating with the host of the pod.
+  //
+  // More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#pod-phase
+  // +optional
+  optional string phase = 1;
+
+  // Current service state of pod.
+  // More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#pod-conditions
+  // +optional
+  // +patchMergeKey=type
+  // +patchStrategy=merge
+  repeated PodCondition conditions = 2;
+
+  // A human readable message indicating details about why the pod is in this condition.
+  // +optional
+  optional string message = 3;
+
+  // A brief CamelCase message indicating details about why the pod is in this state.
+  // e.g. 'Evicted'
+  // +optional
+  optional string reason = 4;
+
+  // nominatedNodeName is set only when this pod preempts other pods on the node, but it cannot be
+  // scheduled right away as preemption victims receive their graceful termination periods.
+  // This field does not guarantee that the pod will be scheduled on this node. Scheduler may decide
+  // to place the pod elsewhere if other nodes become available sooner. Scheduler may also decide to
+  // give the resources on this node to a higher priority pod that is created after preemption.
+  // As a result, this field may be different than PodSpec.nodeName when the pod is
+  // scheduled.
+  // +optional
+  optional string nominatedNodeName = 11;
+
+  // IP address of the host to which the pod is assigned. Empty if not yet scheduled.
+  // +optional
+  optional string hostIP = 5;
+
+  // IP address allocated to the pod. Routable at least within the cluster.
+  // Empty if not yet allocated.
+  // +optional
+  optional string podIP = 6;
+
+  // RFC 3339 date and time at which the object was acknowledged by the Kubelet.
+  // This is before the Kubelet pulled the container image(s) for the pod.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time startTime = 7;
+
+  // The list has one entry per init container in the manifest. The most recent successful
+  // init container will have ready = true, the most recently started container will have
+  // startTime set.
+  // More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#pod-and-container-status
+  repeated ContainerStatus initContainerStatuses = 10;
+
+  // The list has one entry per container in the manifest. Each entry is currently the output
+  // of `docker inspect`.
+  // More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#pod-and-container-status
+  // +optional
+  repeated ContainerStatus containerStatuses = 8;
+
+  // The Quality of Service (QOS) classification assigned to the pod based on resource requirements
+  // See PodQOSClass type for available QOS classes
+  // More info: https://git.k8s.io/community/contributors/design-proposals/node/resource-qos.md
+  // +optional
+  optional string qosClass = 9;
+}
+
+// PodStatusResult is a wrapper for PodStatus returned by kubelet that can be encode/decoded
+message PodStatusResult {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Most recently observed status of the pod.
+  // This data may not be up to date.
+  // Populated by the system.
+  // Read-only.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional PodStatus status = 2;
+}
+
+// PodTemplate describes a template for creating copies of a predefined pod.
+message PodTemplate {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Template defines the pods that will be created from this pod template.
+  // https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional PodTemplateSpec template = 2;
+}
+
+// PodTemplateList is a list of PodTemplates.
+message PodTemplateList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // List of pod templates
+  repeated PodTemplate items = 2;
+}
+
+// PodTemplateSpec describes the data a pod should have when created from a template
+message PodTemplateSpec {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Specification of the desired behavior of the pod.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional PodSpec spec = 2;
+}
+
+// PortworxVolumeSource represents a Portworx volume resource.
+message PortworxVolumeSource {
+  // VolumeID uniquely identifies a Portworx volume
+  optional string volumeID = 1;
+
+  // FSType represents the filesystem type to mount
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs". Implicitly inferred to be "ext4" if unspecified.
+  optional string fsType = 2;
+
+  // Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // +optional
+  optional bool readOnly = 3;
+}
+
+// Preconditions must be fulfilled before an operation (update, delete, etc.) is carried out.
+// +k8s:openapi-gen=false
+message Preconditions {
+  // Specifies the target UID.
+  // +optional
+  optional string uid = 1;
+}
+
+// Describes a class of pods that should avoid this node.
+message PreferAvoidPodsEntry {
+  // The class of pods.
+  optional PodSignature podSignature = 1;
+
+  // Time at which this entry was added to the list.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time evictionTime = 2;
+
+  // (brief) reason why this entry was added to the list.
+  // +optional
+  optional string reason = 3;
+
+  // Human readable message indicating why this entry was added to the list.
+  // +optional
+  optional string message = 4;
+}
+
+// An empty preferred scheduling term matches all objects with implicit weight 0
+// (i.e. it's a no-op). A null preferred scheduling term matches no objects (i.e. is also a no-op).
+message PreferredSchedulingTerm {
+  // Weight associated with matching the corresponding nodeSelectorTerm, in the range 1-100.
+  optional int32 weight = 1;
+
+  // A node selector term, associated with the corresponding weight.
+  optional NodeSelectorTerm preference = 2;
+}
+
+// Probe describes a health check to be performed against a container to determine whether it is
+// alive or ready to receive traffic.
+message Probe {
+  // The action taken to determine the health of a container
+  optional Handler handler = 1;
+
+  // Number of seconds after the container has started before liveness probes are initiated.
+  // More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes
+  // +optional
+  optional int32 initialDelaySeconds = 2;
+
+  // Number of seconds after which the probe times out.
+  // Defaults to 1 second. Minimum value is 1.
+  // More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes
+  // +optional
+  optional int32 timeoutSeconds = 3;
+
+  // How often (in seconds) to perform the probe.
+  // Default to 10 seconds. Minimum value is 1.
+  // +optional
+  optional int32 periodSeconds = 4;
+
+  // Minimum consecutive successes for the probe to be considered successful after having failed.
+  // Defaults to 1. Must be 1 for liveness. Minimum value is 1.
+  // +optional
+  optional int32 successThreshold = 5;
+
+  // Minimum consecutive failures for the probe to be considered failed after having succeeded.
+  // Defaults to 3. Minimum value is 1.
+  // +optional
+  optional int32 failureThreshold = 6;
+}
+
+// Represents a projected volume source
+message ProjectedVolumeSource {
+  // list of volume projections
+  repeated VolumeProjection sources = 1;
+
+  // Mode bits to use on created files by default. Must be a value between
+  // 0 and 0777.
+  // Directories within the path are not affected by this setting.
+  // This might be in conflict with other options that affect the file
+  // mode, like fsGroup, and the result can be other mode bits set.
+  // +optional
+  optional int32 defaultMode = 2;
+}
+
+// Represents a Quobyte mount that lasts the lifetime of a pod.
+// Quobyte volumes do not support ownership management or SELinux relabeling.
+message QuobyteVolumeSource {
+  // Registry represents a single or multiple Quobyte Registry services
+  // specified as a string as host:port pair (multiple entries are separated with commas)
+  // which acts as the central registry for volumes
+  optional string registry = 1;
+
+  // Volume is a string that references an already created Quobyte volume by name.
+  optional string volume = 2;
+
+  // ReadOnly here will force the Quobyte volume to be mounted with read-only permissions.
+  // Defaults to false.
+  // +optional
+  optional bool readOnly = 3;
+
+  // User to map volume access to
+  // Defaults to serivceaccount user
+  // +optional
+  optional string user = 4;
+
+  // Group to map volume access to
+  // Default is no group
+  // +optional
+  optional string group = 5;
+}
+
+// Represents a Rados Block Device mount that lasts the lifetime of a pod.
+// RBD volumes support ownership management and SELinux relabeling.
+message RBDPersistentVolumeSource {
+  // A collection of Ceph monitors.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  repeated string monitors = 1;
+
+  // The rados image name.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  optional string image = 2;
+
+  // Filesystem type of the volume that you want to mount.
+  // Tip: Ensure that the filesystem type is supported by the host operating system.
+  // Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#rbd
+  // TODO: how do we prevent errors in the filesystem from compromising the machine
+  // +optional
+  optional string fsType = 3;
+
+  // The rados pool name.
+  // Default is rbd.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  // +optional
+  optional string pool = 4;
+
+  // The rados user name.
+  // Default is admin.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  // +optional
+  optional string user = 5;
+
+  // Keyring is the path to key ring for RBDUser.
+  // Default is /etc/ceph/keyring.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  // +optional
+  optional string keyring = 6;
+
+  // SecretRef is name of the authentication secret for RBDUser. If provided
+  // overrides keyring.
+  // Default is nil.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  // +optional
+  optional SecretReference secretRef = 7;
+
+  // ReadOnly here will force the ReadOnly setting in VolumeMounts.
+  // Defaults to false.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  // +optional
+  optional bool readOnly = 8;
+}
+
+// Represents a Rados Block Device mount that lasts the lifetime of a pod.
+// RBD volumes support ownership management and SELinux relabeling.
+message RBDVolumeSource {
+  // A collection of Ceph monitors.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  repeated string monitors = 1;
+
+  // The rados image name.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  optional string image = 2;
+
+  // Filesystem type of the volume that you want to mount.
+  // Tip: Ensure that the filesystem type is supported by the host operating system.
+  // Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#rbd
+  // TODO: how do we prevent errors in the filesystem from compromising the machine
+  // +optional
+  optional string fsType = 3;
+
+  // The rados pool name.
+  // Default is rbd.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  // +optional
+  optional string pool = 4;
+
+  // The rados user name.
+  // Default is admin.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  // +optional
+  optional string user = 5;
+
+  // Keyring is the path to key ring for RBDUser.
+  // Default is /etc/ceph/keyring.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  // +optional
+  optional string keyring = 6;
+
+  // SecretRef is name of the authentication secret for RBDUser. If provided
+  // overrides keyring.
+  // Default is nil.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  // +optional
+  optional LocalObjectReference secretRef = 7;
+
+  // ReadOnly here will force the ReadOnly setting in VolumeMounts.
+  // Defaults to false.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md#how-to-use-it
+  // +optional
+  optional bool readOnly = 8;
+}
+
+// RangeAllocation is not a public type.
+message RangeAllocation {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Range is string that identifies the range represented by 'data'.
+  optional string range = 2;
+
+  // Data is a bit array containing all allocated addresses in the previous segment.
+  optional bytes data = 3;
+}
+
+// ReplicationController represents the configuration of a replication controller.
+message ReplicationController {
+  // If the Labels of a ReplicationController are empty, they are defaulted to
+  // be the same as the Pod(s) that the replication controller manages.
+  // Standard object's metadata. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Spec defines the specification of the desired behavior of the replication controller.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional ReplicationControllerSpec spec = 2;
+
+  // Status is the most recently observed status of the replication controller.
+  // This data may be out of date by some window of time.
+  // Populated by the system.
+  // Read-only.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional ReplicationControllerStatus status = 3;
+}
+
+// ReplicationControllerCondition describes the state of a replication controller at a certain point.
+message ReplicationControllerCondition {
+  // Type of replication controller condition.
+  optional string type = 1;
+
+  // Status of the condition, one of True, False, Unknown.
+  optional string status = 2;
+
+  // The last time the condition transitioned from one status to another.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 3;
+
+  // The reason for the condition's last transition.
+  // +optional
+  optional string reason = 4;
+
+  // A human readable message indicating details about the transition.
+  // +optional
+  optional string message = 5;
+}
+
+// ReplicationControllerList is a collection of replication controllers.
+message ReplicationControllerList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // List of replication controllers.
+  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller
+  repeated ReplicationController items = 2;
+}
+
+// ReplicationControllerSpec is the specification of a replication controller.
+message ReplicationControllerSpec {
+  // Replicas is the number of desired replicas.
+  // This is a pointer to distinguish between explicit zero and unspecified.
+  // Defaults to 1.
+  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller#what-is-a-replicationcontroller
+  // +optional
+  optional int32 replicas = 1;
+
+  // Minimum number of seconds for which a newly created pod should be ready
+  // without any of its container crashing, for it to be considered available.
+  // Defaults to 0 (pod will be considered available as soon as it is ready)
+  // +optional
+  optional int32 minReadySeconds = 4;
+
+  // Selector is a label query over pods that should match the Replicas count.
+  // If Selector is empty, it is defaulted to the labels present on the Pod template.
+  // Label keys and values that must match in order to be controlled by this replication
+  // controller, if empty defaulted to labels on Pod template.
+  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors
+  // +optional
+  map<string, string> selector = 2;
+
+  // Template is the object that describes the pod that will be created if
+  // insufficient replicas are detected. This takes precedence over a TemplateRef.
+  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller#pod-template
+  // +optional
+  optional PodTemplateSpec template = 3;
+}
+
+// ReplicationControllerStatus represents the current status of a replication
+// controller.
+message ReplicationControllerStatus {
+  // Replicas is the most recently oberved number of replicas.
+  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller#what-is-a-replicationcontroller
+  optional int32 replicas = 1;
+
+  // The number of pods that have labels matching the labels of the pod template of the replication controller.
+  // +optional
+  optional int32 fullyLabeledReplicas = 2;
+
+  // The number of ready replicas for this replication controller.
+  // +optional
+  optional int32 readyReplicas = 4;
+
+  // The number of available replicas (ready for at least minReadySeconds) for this replication controller.
+  // +optional
+  optional int32 availableReplicas = 5;
+
+  // ObservedGeneration reflects the generation of the most recently observed replication controller.
+  // +optional
+  optional int64 observedGeneration = 3;
+
+  // Represents the latest available observations of a replication controller's current state.
+  // +optional
+  // +patchMergeKey=type
+  // +patchStrategy=merge
+  repeated ReplicationControllerCondition conditions = 6;
+}
+
+// ResourceFieldSelector represents container resources (cpu, memory) and their output format
+message ResourceFieldSelector {
+  // Container name: required for volumes, optional for env vars
+  // +optional
+  optional string containerName = 1;
+
+  // Required: resource to select
+  optional string resource = 2;
+
+  // Specifies the output format of the exposed resources, defaults to "1"
+  // +optional
+  optional k8s.io.apimachinery.pkg.api.resource.Quantity divisor = 3;
+}
+
+// ResourceQuota sets aggregate quota restrictions enforced per namespace
+message ResourceQuota {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Spec defines the desired quota.
+  // https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional ResourceQuotaSpec spec = 2;
+
+  // Status defines the actual enforced quota and its current usage.
+  // https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional ResourceQuotaStatus status = 3;
+}
+
+// ResourceQuotaList is a list of ResourceQuota items.
+message ResourceQuotaList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // Items is a list of ResourceQuota objects.
+  // More info: https://kubernetes.io/docs/concepts/policy/resource-quotas/
+  repeated ResourceQuota items = 2;
+}
+
+// ResourceQuotaSpec defines the desired hard limits to enforce for Quota.
+message ResourceQuotaSpec {
+  // hard is the set of desired hard limits for each named resource.
+  // More info: https://kubernetes.io/docs/concepts/policy/resource-quotas/
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> hard = 1;
+
+  // A collection of filters that must match each object tracked by a quota.
+  // If not specified, the quota matches all objects.
+  // +optional
+  repeated string scopes = 2;
+
+  // scopeSelector is also a collection of filters like scopes that must match each object tracked by a quota
+  // but expressed using ScopeSelectorOperator in combination with possible values.
+  // For a resource to match, both scopes AND scopeSelector (if specified in spec), must be matched.
+  // +optional
+  optional ScopeSelector scopeSelector = 3;
+}
+
+// ResourceQuotaStatus defines the enforced hard limits and observed use.
+message ResourceQuotaStatus {
+  // Hard is the set of enforced hard limits for each named resource.
+  // More info: https://kubernetes.io/docs/concepts/policy/resource-quotas/
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> hard = 1;
+
+  // Used is the current observed total usage of the resource in the namespace.
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> used = 2;
+}
+
+// ResourceRequirements describes the compute resource requirements.
+message ResourceRequirements {
+  // Limits describes the maximum amount of compute resources allowed.
+  // More info: https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> limits = 1;
+
+  // Requests describes the minimum amount of compute resources required.
+  // If Requests is omitted for a container, it defaults to Limits if that is explicitly specified,
+  // otherwise to an implementation-defined value.
+  // More info: https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/
+  // +optional
+  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> requests = 2;
+}
+
+// SELinuxOptions are the labels to be applied to the container
+message SELinuxOptions {
+  // User is a SELinux user label that applies to the container.
+  // +optional
+  optional string user = 1;
+
+  // Role is a SELinux role label that applies to the container.
+  // +optional
+  optional string role = 2;
+
+  // Type is a SELinux type label that applies to the container.
+  // +optional
+  optional string type = 3;
+
+  // Level is SELinux level label that applies to the container.
+  // +optional
+  optional string level = 4;
+}
+
+// ScaleIOPersistentVolumeSource represents a persistent ScaleIO volume
+message ScaleIOPersistentVolumeSource {
+  // The host address of the ScaleIO API Gateway.
+  optional string gateway = 1;
+
+  // The name of the storage system as configured in ScaleIO.
+  optional string system = 2;
+
+  // SecretRef references to the secret for ScaleIO user and other
+  // sensitive information. If this is not provided, Login operation will fail.
+  optional SecretReference secretRef = 3;
+
+  // Flag to enable/disable SSL communication with Gateway, default false
+  // +optional
+  optional bool sslEnabled = 4;
+
+  // The name of the ScaleIO Protection Domain for the configured storage.
+  // +optional
+  optional string protectionDomain = 5;
+
+  // The ScaleIO Storage Pool associated with the protection domain.
+  // +optional
+  optional string storagePool = 6;
+
+  // Indicates whether the storage for a volume should be ThickProvisioned or ThinProvisioned.
+  // Default is ThinProvisioned.
+  // +optional
+  optional string storageMode = 7;
+
+  // The name of a volume already created in the ScaleIO system
+  // that is associated with this volume source.
+  optional string volumeName = 8;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs", "ntfs".
+  // Default is "xfs"
+  // +optional
+  optional string fsType = 9;
+
+  // Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // +optional
+  optional bool readOnly = 10;
+}
+
+// ScaleIOVolumeSource represents a persistent ScaleIO volume
+message ScaleIOVolumeSource {
+  // The host address of the ScaleIO API Gateway.
+  optional string gateway = 1;
+
+  // The name of the storage system as configured in ScaleIO.
+  optional string system = 2;
+
+  // SecretRef references to the secret for ScaleIO user and other
+  // sensitive information. If this is not provided, Login operation will fail.
+  optional LocalObjectReference secretRef = 3;
+
+  // Flag to enable/disable SSL communication with Gateway, default false
+  // +optional
+  optional bool sslEnabled = 4;
+
+  // The name of the ScaleIO Protection Domain for the configured storage.
+  // +optional
+  optional string protectionDomain = 5;
+
+  // The ScaleIO Storage Pool associated with the protection domain.
+  // +optional
+  optional string storagePool = 6;
+
+  // Indicates whether the storage for a volume should be ThickProvisioned or ThinProvisioned.
+  // Default is ThinProvisioned.
+  // +optional
+  optional string storageMode = 7;
+
+  // The name of a volume already created in the ScaleIO system
+  // that is associated with this volume source.
+  optional string volumeName = 8;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs", "ntfs".
+  // Default is "xfs".
+  // +optional
+  optional string fsType = 9;
+
+  // Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // +optional
+  optional bool readOnly = 10;
+}
+
+// A scope selector represents the AND of the selectors represented
+// by the scoped-resource selector requirements.
+message ScopeSelector {
+  // A list of scope selector requirements by scope of the resources.
+  // +optional
+  repeated ScopedResourceSelectorRequirement matchExpressions = 1;
+}
+
+// A scoped-resource selector requirement is a selector that contains values, a scope name, and an operator
+// that relates the scope name and values.
+message ScopedResourceSelectorRequirement {
+  // The name of the scope that the selector applies to.
+  optional string scopeName = 1;
+
+  // Represents a scope's relationship to a set of values.
+  // Valid operators are In, NotIn, Exists, DoesNotExist.
+  optional string operator = 2;
+
+  // An array of string values. If the operator is In or NotIn,
+  // the values array must be non-empty. If the operator is Exists or DoesNotExist,
+  // the values array must be empty.
+  // This array is replaced during a strategic merge patch.
+  // +optional
+  repeated string values = 3;
+}
+
+// Secret holds secret data of a certain type. The total bytes of the values in
+// the Data field must be less than MaxSecretSize bytes.
+message Secret {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Data contains the secret data. Each key must consist of alphanumeric
+  // characters, '-', '_' or '.'. The serialized form of the secret data is a
+  // base64 encoded string, representing the arbitrary (possibly non-string)
+  // data value here. Described in https://tools.ietf.org/html/rfc4648#section-4
+  // +optional
+  map<string, bytes> data = 2;
+
+  // stringData allows specifying non-binary secret data in string form.
+  // It is provided as a write-only convenience method.
+  // All keys and values are merged into the data field on write, overwriting any existing values.
+  // It is never output when reading from the API.
+  // +k8s:conversion-gen=false
+  // +optional
+  map<string, string> stringData = 4;
+
+  // Used to facilitate programmatic handling of secret data.
+  // +optional
+  optional string type = 3;
+}
+
+// SecretEnvSource selects a Secret to populate the environment
+// variables with.
+//
+// The contents of the target Secret's Data field will represent the
+// key-value pairs as environment variables.
+message SecretEnvSource {
+  // The Secret to select from.
+  optional LocalObjectReference localObjectReference = 1;
+
+  // Specify whether the Secret must be defined
+  // +optional
+  optional bool optional = 2;
+}
+
+// SecretKeySelector selects a key of a Secret.
+message SecretKeySelector {
+  // The name of the secret in the pod's namespace to select from.
+  optional LocalObjectReference localObjectReference = 1;
+
+  // The key of the secret to select from.  Must be a valid secret key.
+  optional string key = 2;
+
+  // Specify whether the Secret or it's key must be defined
+  // +optional
+  optional bool optional = 3;
+}
+
+// SecretList is a list of Secret.
+message SecretList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // Items is a list of secret objects.
+  // More info: https://kubernetes.io/docs/concepts/configuration/secret
+  repeated Secret items = 2;
+}
+
+// Adapts a secret into a projected volume.
+//
+// The contents of the target Secret's Data field will be presented in a
+// projected volume as files using the keys in the Data field as the file names.
+// Note that this is identical to a secret volume source without the default
+// mode.
+message SecretProjection {
+  optional LocalObjectReference localObjectReference = 1;
+
+  // If unspecified, each key-value pair in the Data field of the referenced
+  // Secret will be projected into the volume as a file whose name is the
+  // key and content is the value. If specified, the listed keys will be
+  // projected into the specified paths, and unlisted keys will not be
+  // present. If a key is specified which is not present in the Secret,
+  // the volume setup will error unless it is marked optional. Paths must be
+  // relative and may not contain the '..' path or start with '..'.
+  // +optional
+  repeated KeyToPath items = 2;
+
+  // Specify whether the Secret or its key must be defined
+  // +optional
+  optional bool optional = 4;
+}
+
+// SecretReference represents a Secret Reference. It has enough information to retrieve secret
+// in any namespace
+message SecretReference {
+  // Name is unique within a namespace to reference a secret resource.
+  // +optional
+  optional string name = 1;
+
+  // Namespace defines the space within which the secret name must be unique.
+  // +optional
+  optional string namespace = 2;
+}
+
+// Adapts a Secret into a volume.
+//
+// The contents of the target Secret's Data field will be presented in a volume
+// as files using the keys in the Data field as the file names.
+// Secret volumes support ownership management and SELinux relabeling.
+message SecretVolumeSource {
+  // Name of the secret in the pod's namespace to use.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#secret
+  // +optional
+  optional string secretName = 1;
+
+  // If unspecified, each key-value pair in the Data field of the referenced
+  // Secret will be projected into the volume as a file whose name is the
+  // key and content is the value. If specified, the listed keys will be
+  // projected into the specified paths, and unlisted keys will not be
+  // present. If a key is specified which is not present in the Secret,
+  // the volume setup will error unless it is marked optional. Paths must be
+  // relative and may not contain the '..' path or start with '..'.
+  // +optional
+  repeated KeyToPath items = 2;
+
+  // Optional: mode bits to use on created files by default. Must be a
+  // value between 0 and 0777. Defaults to 0644.
+  // Directories within the path are not affected by this setting.
+  // This might be in conflict with other options that affect the file
+  // mode, like fsGroup, and the result can be other mode bits set.
+  // +optional
+  optional int32 defaultMode = 3;
+
+  // Specify whether the Secret or it's keys must be defined
+  // +optional
+  optional bool optional = 4;
+}
+
+// SecurityContext holds security configuration that will be applied to a container.
+// Some fields are present in both SecurityContext and PodSecurityContext.  When both
+// are set, the values in SecurityContext take precedence.
+message SecurityContext {
+  // The capabilities to add/drop when running containers.
+  // Defaults to the default set of capabilities granted by the container runtime.
+  // +optional
+  optional Capabilities capabilities = 1;
+
+  // Run container in privileged mode.
+  // Processes in privileged containers are essentially equivalent to root on the host.
+  // Defaults to false.
+  // +optional
+  optional bool privileged = 2;
+
+  // The SELinux context to be applied to the container.
+  // If unspecified, the container runtime will allocate a random SELinux context for each
+  // container.  May also be set in PodSecurityContext.  If set in both SecurityContext and
+  // PodSecurityContext, the value specified in SecurityContext takes precedence.
+  // +optional
+  optional SELinuxOptions seLinuxOptions = 3;
+
+  // The UID to run the entrypoint of the container process.
+  // Defaults to user specified in image metadata if unspecified.
+  // May also be set in PodSecurityContext.  If set in both SecurityContext and
+  // PodSecurityContext, the value specified in SecurityContext takes precedence.
+  // +optional
+  optional int64 runAsUser = 4;
+
+  // The GID to run the entrypoint of the container process.
+  // Uses runtime default if unset.
+  // May also be set in PodSecurityContext.  If set in both SecurityContext and
+  // PodSecurityContext, the value specified in SecurityContext takes precedence.
+  // +optional
+  optional int64 runAsGroup = 8;
+
+  // Indicates that the container must run as a non-root user.
+  // If true, the Kubelet will validate the image at runtime to ensure that it
+  // does not run as UID 0 (root) and fail to start the container if it does.
+  // If unset or false, no such validation will be performed.
+  // May also be set in PodSecurityContext.  If set in both SecurityContext and
+  // PodSecurityContext, the value specified in SecurityContext takes precedence.
+  // +optional
+  optional bool runAsNonRoot = 5;
+
+  // Whether this container has a read-only root filesystem.
+  // Default is false.
+  // +optional
+  optional bool readOnlyRootFilesystem = 6;
+
+  // AllowPrivilegeEscalation controls whether a process can gain more
+  // privileges than its parent process. This bool directly controls if
+  // the no_new_privs flag will be set on the container process.
+  // AllowPrivilegeEscalation is true always when the container is:
+  // 1) run as Privileged
+  // 2) has CAP_SYS_ADMIN
+  // +optional
+  optional bool allowPrivilegeEscalation = 7;
+
+  // procMount denotes the type of proc mount to use for the containers.
+  // The default is DefaultProcMount which uses the container runtime defaults for
+  // readonly paths and masked paths.
+  // This requires the ProcMountType feature flag to be enabled.
+  // +optional
+  optional string procMount = 9;
+}
+
+// SerializedReference is a reference to serialized object.
+message SerializedReference {
+  // The reference to an object in the system.
+  // +optional
+  optional ObjectReference reference = 1;
+}
+
+// Service is a named abstraction of software service (for example, mysql) consisting of local port
+// (for example 3306) that the proxy listens on, and the selector that determines which pods
+// will answer requests sent through the proxy.
+message Service {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Spec defines the behavior of a service.
+  // https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional ServiceSpec spec = 2;
+
+  // Most recently observed status of the service.
+  // Populated by the system.
+  // Read-only.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional ServiceStatus status = 3;
+}
+
+// ServiceAccount binds together:
+// * a name, understood by users, and perhaps by peripheral systems, for an identity
+// * a principal that can be authenticated and authorized
+// * a set of secrets
+message ServiceAccount {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Secrets is the list of secrets allowed to be used by pods running using this ServiceAccount.
+  // More info: https://kubernetes.io/docs/concepts/configuration/secret
+  // +optional
+  // +patchMergeKey=name
+  // +patchStrategy=merge
+  repeated ObjectReference secrets = 2;
+
+  // ImagePullSecrets is a list of references to secrets in the same namespace to use for pulling any images
+  // in pods that reference this ServiceAccount. ImagePullSecrets are distinct from Secrets because Secrets
+  // can be mounted in the pod, but ImagePullSecrets are only accessed by the kubelet.
+  // More info: https://kubernetes.io/docs/concepts/containers/images/#specifying-imagepullsecrets-on-a-pod
+  // +optional
+  repeated LocalObjectReference imagePullSecrets = 3;
+
+  // AutomountServiceAccountToken indicates whether pods running as this service account should have an API token automatically mounted.
+  // Can be overridden at the pod level.
+  // +optional
+  optional bool automountServiceAccountToken = 4;
+}
+
+// ServiceAccountList is a list of ServiceAccount objects
+message ServiceAccountList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // List of ServiceAccounts.
+  // More info: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/
+  repeated ServiceAccount items = 2;
+}
+
+// ServiceAccountTokenProjection represents a projected service account token
+// volume. This projection can be used to insert a service account token into
+// the pods runtime filesystem for use against APIs (Kubernetes API Server or
+// otherwise).
+message ServiceAccountTokenProjection {
+  // Audience is the intended audience of the token. A recipient of a token
+  // must identify itself with an identifier specified in the audience of the
+  // token, and otherwise should reject the token. The audience defaults to the
+  // identifier of the apiserver.
+  // +optional
+  optional string audience = 1;
+
+  // ExpirationSeconds is the requested duration of validity of the service
+  // account token. As the token approaches expiration, the kubelet volume
+  // plugin will proactively rotate the service account token. The kubelet will
+  // start trying to rotate the token if the token is older than 80 percent of
+  // its time to live or if the token is older than 24 hours.Defaults to 1 hour
+  // and must be at least 10 minutes.
+  // +optional
+  optional int64 expirationSeconds = 2;
+
+  // Path is the path relative to the mount point of the file to project the
+  // token into.
+  optional string path = 3;
+}
+
+// ServiceList holds a list of services.
+message ServiceList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // List of services
+  repeated Service items = 2;
+}
+
+// ServicePort contains information on service's port.
+message ServicePort {
+  // The name of this port within the service. This must be a DNS_LABEL.
+  // All ports within a ServiceSpec must have unique names. This maps to
+  // the 'Name' field in EndpointPort objects.
+  // Optional if only one ServicePort is defined on this service.
+  // +optional
+  optional string name = 1;
+
+  // The IP protocol for this port. Supports "TCP", "UDP", and "SCTP".
+  // Default is TCP.
+  // +optional
+  optional string protocol = 2;
+
+  // The port that will be exposed by this service.
+  optional int32 port = 3;
+
+  // Number or name of the port to access on the pods targeted by the service.
+  // Number must be in the range 1 to 65535. Name must be an IANA_SVC_NAME.
+  // If this is a string, it will be looked up as a named port in the
+  // target Pod's container ports. If this is not specified, the value
+  // of the 'port' field is used (an identity map).
+  // This field is ignored for services with clusterIP=None, and should be
+  // omitted or set equal to the 'port' field.
+  // More info: https://kubernetes.io/docs/concepts/services-networking/service/#defining-a-service
+  // +optional
+  optional k8s.io.apimachinery.pkg.util.intstr.IntOrString targetPort = 4;
+
+  // The port on each node on which this service is exposed when type=NodePort or LoadBalancer.
+  // Usually assigned by the system. If specified, it will be allocated to the service
+  // if unused or else creation of the service will fail.
+  // Default is to auto-allocate a port if the ServiceType of this Service requires one.
+  // More info: https://kubernetes.io/docs/concepts/services-networking/service/#type-nodeport
+  // +optional
+  optional int32 nodePort = 5;
+}
+
+// ServiceProxyOptions is the query options to a Service's proxy call.
+message ServiceProxyOptions {
+  // Path is the part of URLs that include service endpoints, suffixes,
+  // and parameters to use for the current proxy request to service.
+  // For example, the whole request URL is
+  // http://localhost/api/v1/namespaces/kube-system/services/elasticsearch-logging/_search?q=user:kimchy.
+  // Path is _search?q=user:kimchy.
+  // +optional
+  optional string path = 1;
+}
+
+// ServiceSpec describes the attributes that a user creates on a service.
+message ServiceSpec {
+  // The list of ports that are exposed by this service.
+  // More info: https://kubernetes.io/docs/concepts/services-networking/service/#virtual-ips-and-service-proxies
+  // +patchMergeKey=port
+  // +patchStrategy=merge
+  repeated ServicePort ports = 1;
+
+  // Route service traffic to pods with label keys and values matching this
+  // selector. If empty or not present, the service is assumed to have an
+  // external process managing its endpoints, which Kubernetes will not
+  // modify. Only applies to types ClusterIP, NodePort, and LoadBalancer.
+  // Ignored if type is ExternalName.
+  // More info: https://kubernetes.io/docs/concepts/services-networking/service/
+  // +optional
+  map<string, string> selector = 2;
+
+  // clusterIP is the IP address of the service and is usually assigned
+  // randomly by the master. If an address is specified manually and is not in
+  // use by others, it will be allocated to the service; otherwise, creation
+  // of the service will fail. This field can not be changed through updates.
+  // Valid values are "None", empty string (""), or a valid IP address. "None"
+  // can be specified for headless services when proxying is not required.
+  // Only applies to types ClusterIP, NodePort, and LoadBalancer. Ignored if
+  // type is ExternalName.
+  // More info: https://kubernetes.io/docs/concepts/services-networking/service/#virtual-ips-and-service-proxies
+  // +optional
+  optional string clusterIP = 3;
+
+  // type determines how the Service is exposed. Defaults to ClusterIP. Valid
+  // options are ExternalName, ClusterIP, NodePort, and LoadBalancer.
+  // "ExternalName" maps to the specified externalName.
+  // "ClusterIP" allocates a cluster-internal IP address for load-balancing to
+  // endpoints. Endpoints are determined by the selector or if that is not
+  // specified, by manual construction of an Endpoints object. If clusterIP is
+  // "None", no virtual IP is allocated and the endpoints are published as a
+  // set of endpoints rather than a stable IP.
+  // "NodePort" builds on ClusterIP and allocates a port on every node which
+  // routes to the clusterIP.
+  // "LoadBalancer" builds on NodePort and creates an
+  // external load-balancer (if supported in the current cloud) which routes
+  // to the clusterIP.
+  // More info: https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services---service-types
+  // +optional
+  optional string type = 4;
+
+  // externalIPs is a list of IP addresses for which nodes in the cluster
+  // will also accept traffic for this service.  These IPs are not managed by
+  // Kubernetes.  The user is responsible for ensuring that traffic arrives
+  // at a node with this IP.  A common example is external load-balancers
+  // that are not part of the Kubernetes system.
+  // +optional
+  repeated string externalIPs = 5;
+
+  // Supports "ClientIP" and "None". Used to maintain session affinity.
+  // Enable client IP based session affinity.
+  // Must be ClientIP or None.
+  // Defaults to None.
+  // More info: https://kubernetes.io/docs/concepts/services-networking/service/#virtual-ips-and-service-proxies
+  // +optional
+  optional string sessionAffinity = 7;
+
+  // Only applies to Service Type: LoadBalancer
+  // LoadBalancer will get created with the IP specified in this field.
+  // This feature depends on whether the underlying cloud-provider supports specifying
+  // the loadBalancerIP when a load balancer is created.
+  // This field will be ignored if the cloud-provider does not support the feature.
+  // +optional
+  optional string loadBalancerIP = 8;
+
+  // If specified and supported by the platform, this will restrict traffic through the cloud-provider
+  // load-balancer will be restricted to the specified client IPs. This field will be ignored if the
+  // cloud-provider does not support the feature."
+  // More info: https://kubernetes.io/docs/tasks/access-application-cluster/configure-cloud-provider-firewall/
+  // +optional
+  repeated string loadBalancerSourceRanges = 9;
+
+  // externalName is the external reference that kubedns or equivalent will
+  // return as a CNAME record for this service. No proxying will be involved.
+  // Must be a valid RFC-1123 hostname (https://tools.ietf.org/html/rfc1123)
+  // and requires Type to be ExternalName.
+  // +optional
+  optional string externalName = 10;
+
+  // externalTrafficPolicy denotes if this Service desires to route external
+  // traffic to node-local or cluster-wide endpoints. "Local" preserves the
+  // client source IP and avoids a second hop for LoadBalancer and Nodeport
+  // type services, but risks potentially imbalanced traffic spreading.
+  // "Cluster" obscures the client source IP and may cause a second hop to
+  // another node, but should have good overall load-spreading.
+  // +optional
+  optional string externalTrafficPolicy = 11;
+
+  // healthCheckNodePort specifies the healthcheck nodePort for the service.
+  // If not specified, HealthCheckNodePort is created by the service api
+  // backend with the allocated nodePort. Will use user-specified nodePort value
+  // if specified by the client. Only effects when Type is set to LoadBalancer
+  // and ExternalTrafficPolicy is set to Local.
+  // +optional
+  optional int32 healthCheckNodePort = 12;
+
+  // publishNotReadyAddresses, when set to true, indicates that DNS implementations
+  // must publish the notReadyAddresses of subsets for the Endpoints associated with
+  // the Service. The default value is false.
+  // The primary use case for setting this field is to use a StatefulSet's Headless Service
+  // to propagate SRV records for its Pods without respect to their readiness for purpose
+  // of peer discovery.
+  // +optional
+  optional bool publishNotReadyAddresses = 13;
+
+  // sessionAffinityConfig contains the configurations of session affinity.
+  // +optional
+  optional SessionAffinityConfig sessionAffinityConfig = 14;
+}
+
+// ServiceStatus represents the current status of a service.
+message ServiceStatus {
+  // LoadBalancer contains the current status of the load-balancer,
+  // if one is present.
+  // +optional
+  optional LoadBalancerStatus loadBalancer = 1;
+}
+
+// SessionAffinityConfig represents the configurations of session affinity.
+message SessionAffinityConfig {
+  // clientIP contains the configurations of Client IP based session affinity.
+  // +optional
+  optional ClientIPConfig clientIP = 1;
+}
+
+// Represents a StorageOS persistent volume resource.
+message StorageOSPersistentVolumeSource {
+  // VolumeName is the human-readable name of the StorageOS volume.  Volume
+  // names are only unique within a namespace.
+  optional string volumeName = 1;
+
+  // VolumeNamespace specifies the scope of the volume within StorageOS.  If no
+  // namespace is specified then the Pod's namespace will be used.  This allows the
+  // Kubernetes name scoping to be mirrored within StorageOS for tighter integration.
+  // Set VolumeName to any name to override the default behaviour.
+  // Set to "default" if you are not using namespaces within StorageOS.
+  // Namespaces that do not pre-exist within StorageOS will be created.
+  // +optional
+  optional string volumeNamespace = 2;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // +optional
+  optional string fsType = 3;
+
+  // Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // +optional
+  optional bool readOnly = 4;
+
+  // SecretRef specifies the secret to use for obtaining the StorageOS API
+  // credentials.  If not specified, default values will be attempted.
+  // +optional
+  optional ObjectReference secretRef = 5;
+}
+
+// Represents a StorageOS persistent volume resource.
+message StorageOSVolumeSource {
+  // VolumeName is the human-readable name of the StorageOS volume.  Volume
+  // names are only unique within a namespace.
+  optional string volumeName = 1;
+
+  // VolumeNamespace specifies the scope of the volume within StorageOS.  If no
+  // namespace is specified then the Pod's namespace will be used.  This allows the
+  // Kubernetes name scoping to be mirrored within StorageOS for tighter integration.
+  // Set VolumeName to any name to override the default behaviour.
+  // Set to "default" if you are not using namespaces within StorageOS.
+  // Namespaces that do not pre-exist within StorageOS will be created.
+  // +optional
+  optional string volumeNamespace = 2;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // +optional
+  optional string fsType = 3;
+
+  // Defaults to false (read/write). ReadOnly here will force
+  // the ReadOnly setting in VolumeMounts.
+  // +optional
+  optional bool readOnly = 4;
+
+  // SecretRef specifies the secret to use for obtaining the StorageOS API
+  // credentials.  If not specified, default values will be attempted.
+  // +optional
+  optional LocalObjectReference secretRef = 5;
+}
+
+// Sysctl defines a kernel parameter to be set
+message Sysctl {
+  // Name of a property to set
+  optional string name = 1;
+
+  // Value of a property to set
+  optional string value = 2;
+}
+
+// TCPSocketAction describes an action based on opening a socket
+message TCPSocketAction {
+  // Number or name of the port to access on the container.
+  // Number must be in the range 1 to 65535.
+  // Name must be an IANA_SVC_NAME.
+  optional k8s.io.apimachinery.pkg.util.intstr.IntOrString port = 1;
+
+  // Optional: Host name to connect to, defaults to the pod IP.
+  // +optional
+  optional string host = 2;
+}
+
+// The node this Taint is attached to has the "effect" on
+// any pod that does not tolerate the Taint.
+message Taint {
+  // Required. The taint key to be applied to a node.
+  optional string key = 1;
+
+  // Required. The taint value corresponding to the taint key.
+  // +optional
+  optional string value = 2;
+
+  // Required. The effect of the taint on pods
+  // that do not tolerate the taint.
+  // Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
+  optional string effect = 3;
+
+  // TimeAdded represents the time at which the taint was added.
+  // It is only written for NoExecute taints.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time timeAdded = 4;
+}
+
+// The pod this Toleration is attached to tolerates any taint that matches
+// the triple <key,value,effect> using the matching operator <operator>.
+message Toleration {
+  // Key is the taint key that the toleration applies to. Empty means match all taint keys.
+  // If the key is empty, operator must be Exists; this combination means to match all values and all keys.
+  // +optional
+  optional string key = 1;
+
+  // Operator represents a key's relationship to the value.
+  // Valid operators are Exists and Equal. Defaults to Equal.
+  // Exists is equivalent to wildcard for value, so that a pod can
+  // tolerate all taints of a particular category.
+  // +optional
+  optional string operator = 2;
+
+  // Value is the taint value the toleration matches to.
+  // If the operator is Exists, the value should be empty, otherwise just a regular string.
+  // +optional
+  optional string value = 3;
+
+  // Effect indicates the taint effect to match. Empty means match all taint effects.
+  // When specified, allowed values are NoSchedule, PreferNoSchedule and NoExecute.
+  // +optional
+  optional string effect = 4;
+
+  // TolerationSeconds represents the period of time the toleration (which must be
+  // of effect NoExecute, otherwise this field is ignored) tolerates the taint. By default,
+  // it is not set, which means tolerate the taint forever (do not evict). Zero and
+  // negative values will be treated as 0 (evict immediately) by the system.
+  // +optional
+  optional int64 tolerationSeconds = 5;
+}
+
+// A topology selector requirement is a selector that matches given label.
+// This is an alpha feature and may change in the future.
+message TopologySelectorLabelRequirement {
+  // The label key that the selector applies to.
+  optional string key = 1;
+
+  // An array of string values. One value must match the label to be selected.
+  // Each entry in Values is ORed.
+  repeated string values = 2;
+}
+
+// A topology selector term represents the result of label queries.
+// A null or empty topology selector term matches no objects.
+// The requirements of them are ANDed.
+// It provides a subset of functionality as NodeSelectorTerm.
+// This is an alpha feature and may change in the future.
+message TopologySelectorTerm {
+  // A list of topology selector requirements by labels.
+  // +optional
+  repeated TopologySelectorLabelRequirement matchLabelExpressions = 1;
+}
+
+// TypedLocalObjectReference contains enough information to let you locate the
+// typed referenced object inside the same namespace.
+message TypedLocalObjectReference {
+  // APIGroup is the group for the resource being referenced.
+  // If APIGroup is not specified, the specified Kind must be in the core API group.
+  // For any other third-party types, APIGroup is required.
+  // +optional
+  optional string apiGroup = 1;
+
+  // Kind is the type of resource being referenced
+  optional string kind = 2;
+
+  // Name is the name of resource being referenced
+  optional string name = 3;
+}
+
+// Volume represents a named volume in a pod that may be accessed by any container in the pod.
+message Volume {
+  // Volume's name.
+  // Must be a DNS_LABEL and unique within the pod.
+  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
+  optional string name = 1;
+
+  // VolumeSource represents the location and type of the mounted volume.
+  // If not specified, the Volume is implied to be an EmptyDir.
+  // This implied behavior is deprecated and will be removed in a future version.
+  optional VolumeSource volumeSource = 2;
+}
+
+// volumeDevice describes a mapping of a raw block device within a container.
+message VolumeDevice {
+  // name must match the name of a persistentVolumeClaim in the pod
+  optional string name = 1;
+
+  // devicePath is the path inside of the container that the device will be mapped to.
+  optional string devicePath = 2;
+}
+
+// VolumeMount describes a mounting of a Volume within a container.
+message VolumeMount {
+  // This must match the Name of a Volume.
+  optional string name = 1;
+
+  // Mounted read-only if true, read-write otherwise (false or unspecified).
+  // Defaults to false.
+  // +optional
+  optional bool readOnly = 2;
+
+  // Path within the container at which the volume should be mounted.  Must
+  // not contain ':'.
+  optional string mountPath = 3;
+
+  // Path within the volume from which the container's volume should be mounted.
+  // Defaults to "" (volume's root).
+  // +optional
+  optional string subPath = 4;
+
+  // mountPropagation determines how mounts are propagated from the host
+  // to container and the other way around.
+  // When not set, MountPropagationNone is used.
+  // This field is beta in 1.10.
+  // +optional
+  optional string mountPropagation = 5;
+}
+
+// VolumeNodeAffinity defines constraints that limit what nodes this volume can be accessed from.
+message VolumeNodeAffinity {
+  // Required specifies hard node constraints that must be met.
+  optional NodeSelector required = 1;
+}
+
+// Projection that may be projected along with other supported volume types
+message VolumeProjection {
+  // information about the secret data to project
+  // +optional
+  optional SecretProjection secret = 1;
+
+  // information about the downwardAPI data to project
+  // +optional
+  optional DownwardAPIProjection downwardAPI = 2;
+
+  // information about the configMap data to project
+  // +optional
+  optional ConfigMapProjection configMap = 3;
+
+  // information about the serviceAccountToken data to project
+  // +optional
+  optional ServiceAccountTokenProjection serviceAccountToken = 4;
+}
+
+// Represents the source of a volume to mount.
+// Only one of its members may be specified.
+message VolumeSource {
+  // HostPath represents a pre-existing file or directory on the host
+  // machine that is directly exposed to the container. This is generally
+  // used for system agents or other privileged things that are allowed
+  // to see the host machine. Most containers will NOT need this.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath
+  // ---
+  // TODO(jonesdl) We need to restrict who can use host directory mounts and who can/can not
+  // mount host directories as read/write.
+  // +optional
+  optional HostPathVolumeSource hostPath = 1;
+
+  // EmptyDir represents a temporary directory that shares a pod's lifetime.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir
+  // +optional
+  optional EmptyDirVolumeSource emptyDir = 2;
+
+  // GCEPersistentDisk represents a GCE Disk resource that is attached to a
+  // kubelet's host machine and then exposed to the pod.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk
+  // +optional
+  optional GCEPersistentDiskVolumeSource gcePersistentDisk = 3;
+
+  // AWSElasticBlockStore represents an AWS Disk resource that is attached to a
+  // kubelet's host machine and then exposed to the pod.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore
+  // +optional
+  optional AWSElasticBlockStoreVolumeSource awsElasticBlockStore = 4;
+
+  // GitRepo represents a git repository at a particular revision.
+  // DEPRECATED: GitRepo is deprecated. To provision a container with a git repo, mount an
+  // EmptyDir into an InitContainer that clones the repo using git, then mount the EmptyDir
+  // into the Pod's container.
+  // +optional
+  optional GitRepoVolumeSource gitRepo = 5;
+
+  // Secret represents a secret that should populate this volume.
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#secret
+  // +optional
+  optional SecretVolumeSource secret = 6;
+
+  // NFS represents an NFS mount on the host that shares a pod's lifetime
+  // More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs
+  // +optional
+  optional NFSVolumeSource nfs = 7;
+
+  // ISCSI represents an ISCSI Disk resource that is attached to a
+  // kubelet's host machine and then exposed to the pod.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/iscsi/README.md
+  // +optional
+  optional ISCSIVolumeSource iscsi = 8;
+
+  // Glusterfs represents a Glusterfs mount on the host that shares a pod's lifetime.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/glusterfs/README.md
+  // +optional
+  optional GlusterfsVolumeSource glusterfs = 9;
+
+  // PersistentVolumeClaimVolumeSource represents a reference to a
+  // PersistentVolumeClaim in the same namespace.
+  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims
+  // +optional
+  optional PersistentVolumeClaimVolumeSource persistentVolumeClaim = 10;
+
+  // RBD represents a Rados Block Device mount on the host that shares a pod's lifetime.
+  // More info: https://releases.k8s.io/HEAD/examples/volumes/rbd/README.md
+  // +optional
+  optional RBDVolumeSource rbd = 11;
+
+  // FlexVolume represents a generic volume resource that is
+  // provisioned/attached using an exec based plugin.
+  // +optional
+  optional FlexVolumeSource flexVolume = 12;
+
+  // Cinder represents a cinder volume attached and mounted on kubelets host machine
+  // More info: https://releases.k8s.io/HEAD/examples/mysql-cinder-pd/README.md
+  // +optional
+  optional CinderVolumeSource cinder = 13;
+
+  // CephFS represents a Ceph FS mount on the host that shares a pod's lifetime
+  // +optional
+  optional CephFSVolumeSource cephfs = 14;
+
+  // Flocker represents a Flocker volume attached to a kubelet's host machine. This depends on the Flocker control service being running
+  // +optional
+  optional FlockerVolumeSource flocker = 15;
+
+  // DownwardAPI represents downward API about the pod that should populate this volume
+  // +optional
+  optional DownwardAPIVolumeSource downwardAPI = 16;
+
+  // FC represents a Fibre Channel resource that is attached to a kubelet's host machine and then exposed to the pod.
+  // +optional
+  optional FCVolumeSource fc = 17;
+
+  // AzureFile represents an Azure File Service mount on the host and bind mount to the pod.
+  // +optional
+  optional AzureFileVolumeSource azureFile = 18;
+
+  // ConfigMap represents a configMap that should populate this volume
+  // +optional
+  optional ConfigMapVolumeSource configMap = 19;
+
+  // VsphereVolume represents a vSphere volume attached and mounted on kubelets host machine
+  // +optional
+  optional VsphereVirtualDiskVolumeSource vsphereVolume = 20;
+
+  // Quobyte represents a Quobyte mount on the host that shares a pod's lifetime
+  // +optional
+  optional QuobyteVolumeSource quobyte = 21;
+
+  // AzureDisk represents an Azure Data Disk mount on the host and bind mount to the pod.
+  // +optional
+  optional AzureDiskVolumeSource azureDisk = 22;
+
+  // PhotonPersistentDisk represents a PhotonController persistent disk attached and mounted on kubelets host machine
+  optional PhotonPersistentDiskVolumeSource photonPersistentDisk = 23;
+
+  // Items for all in one resources secrets, configmaps, and downward API
+  optional ProjectedVolumeSource projected = 26;
+
+  // PortworxVolume represents a portworx volume attached and mounted on kubelets host machine
+  // +optional
+  optional PortworxVolumeSource portworxVolume = 24;
+
+  // ScaleIO represents a ScaleIO persistent volume attached and mounted on Kubernetes nodes.
+  // +optional
+  optional ScaleIOVolumeSource scaleIO = 25;
+
+  // StorageOS represents a StorageOS volume attached and mounted on Kubernetes nodes.
+  // +optional
+  optional StorageOSVolumeSource storageos = 27;
+}
+
+// Represents a vSphere volume resource.
+message VsphereVirtualDiskVolumeSource {
+  // Path that identifies vSphere volume vmdk
+  optional string volumePath = 1;
+
+  // Filesystem type to mount.
+  // Must be a filesystem type supported by the host operating system.
+  // Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
+  // +optional
+  optional string fsType = 2;
+
+  // Storage Policy Based Management (SPBM) profile name.
+  // +optional
+  optional string storagePolicyName = 3;
+
+  // Storage Policy Based Management (SPBM) profile ID associated with the StoragePolicyName.
+  // +optional
+  optional string storagePolicyID = 4;
+}
+
+// The weights of all of the matched WeightedPodAffinityTerm fields are added per-node to find the most preferred node(s)
+message WeightedPodAffinityTerm {
+  // weight associated with matching the corresponding podAffinityTerm,
+  // in the range 1-100.
+  optional int32 weight = 1;
+
+  // Required. A pod affinity term, associated with the corresponding weight.
+  optional PodAffinityTerm podAffinityTerm = 2;
+}
+