| /* |
| Copyright 2018 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. |
| */ |
| |
| package v1alpha1 |
| |
| import ( |
| corev1 "k8s.io/api/core/v1" |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| ) |
| |
| // +genclient |
| // +genclient:nonNamespaced |
| // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object |
| |
| // RuntimeClass defines a class of container runtime supported in the cluster. |
| // The RuntimeClass is used to determine which container runtime is used to run |
| // all containers in a pod. RuntimeClasses are (currently) manually defined by a |
| // user or cluster provisioner, and referenced in the PodSpec. The Kubelet is |
| // responsible for resolving the RuntimeClassName reference before running the |
| // pod. For more details, see |
| // https://git.k8s.io/enhancements/keps/sig-node/runtime-class.md |
| type RuntimeClass struct { |
| metav1.TypeMeta `json:",inline"` |
| // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata |
| // +optional |
| metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` |
| |
| // Specification of the RuntimeClass |
| // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status |
| Spec RuntimeClassSpec `json:"spec" protobuf:"bytes,2,name=spec"` |
| } |
| |
| // RuntimeClassSpec is a specification of a RuntimeClass. It contains parameters |
| // that are required to describe the RuntimeClass to the Container Runtime |
| // Interface (CRI) implementation, as well as any other components that need to |
| // understand how the pod will be run. The RuntimeClassSpec is immutable. |
| type RuntimeClassSpec struct { |
| // RuntimeHandler specifies the underlying runtime and configuration that the |
| // CRI implementation will use to handle pods of this class. The possible |
| // values are specific to the node & CRI configuration. It is assumed that |
| // all handlers are available on every node, and handlers of the same name are |
| // equivalent on every node. |
| // For example, a handler called "runc" might specify that the runc OCI |
| // runtime (using native Linux containers) will be used to run the containers |
| // in a pod. |
| // The RuntimeHandler must conform to the DNS Label (RFC 1123) requirements |
| // and is immutable. |
| RuntimeHandler string `json:"runtimeHandler" protobuf:"bytes,1,opt,name=runtimeHandler"` |
| |
| // Overhead represents the resource overhead associated with running a pod for a |
| // given RuntimeClass. For more details, see |
| // https://git.k8s.io/enhancements/keps/sig-node/20190226-pod-overhead.md |
| // This field is alpha-level as of Kubernetes v1.15, and is only honored by servers that enable the PodOverhead feature. |
| // +optional |
| Overhead *Overhead `json:"overhead,omitempty" protobuf:"bytes,2,opt,name=overhead"` |
| |
| // Scheduling holds the scheduling constraints to ensure that pods running |
| // with this RuntimeClass are scheduled to nodes that support it. |
| // If scheduling is nil, this RuntimeClass is assumed to be supported by all |
| // nodes. |
| // +optional |
| Scheduling *Scheduling `json:"scheduling,omitempty" protobuf:"bytes,3,opt,name=scheduling"` |
| } |
| |
| // Overhead structure represents the resource overhead associated with running a pod. |
| type Overhead struct { |
| // PodFixed represents the fixed resource overhead associated with running a pod. |
| // +optional |
| PodFixed corev1.ResourceList `json:"podFixed,omitempty" protobuf:"bytes,1,opt,name=podFixed,casttype=k8s.io/api/core/v1.ResourceList,castkey=k8s.io/api/core/v1.ResourceName,castvalue=k8s.io/apimachinery/pkg/api/resource.Quantity"` |
| } |
| |
| // Scheduling specifies the scheduling constraints for nodes supporting a |
| // RuntimeClass. |
| type Scheduling struct { |
| // nodeSelector lists labels that must be present on nodes that support this |
| // RuntimeClass. Pods using this RuntimeClass can only be scheduled to a |
| // node matched by this selector. The RuntimeClass nodeSelector is merged |
| // with a pod's existing nodeSelector. Any conflicts will cause the pod to |
| // be rejected in admission. |
| // +optional |
| NodeSelector map[string]string `json:"nodeSelector,omitempty" protobuf:"bytes,1,opt,name=nodeSelector"` |
| |
| // tolerations are appended (excluding duplicates) to pods running with this |
| // RuntimeClass during admission, effectively unioning the set of nodes |
| // tolerated by the pod and the RuntimeClass. |
| // +optional |
| // +listType=atomic |
| Tolerations []corev1.Toleration `json:"tolerations,omitempty" protobuf:"bytes,2,rep,name=tolerations"` |
| } |
| |
| // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object |
| |
| // RuntimeClassList is a list of RuntimeClass objects. |
| type RuntimeClassList struct { |
| metav1.TypeMeta `json:",inline"` |
| // Standard list metadata. |
| // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata |
| // +optional |
| metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` |
| |
| // Items is a list of schema objects. |
| Items []RuntimeClass `json:"items" protobuf:"bytes,2,rep,name=items"` |
| } |