Import of https://github.com/ciena/voltctl at commit 40d61fbf3f910ed4017cf67c9c79e8e1f82a33a5
Change-Id: I8464c59e60d76cb8612891db3303878975b5416c
diff --git a/vendor/k8s.io/client-go/transport/config.go b/vendor/k8s.io/client-go/transport/config.go
new file mode 100644
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+++ b/vendor/k8s.io/client-go/transport/config.go
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+/*
+Copyright 2015 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 transport
+
+import (
+ "context"
+ "crypto/tls"
+ "net"
+ "net/http"
+)
+
+// Config holds various options for establishing a transport.
+type Config struct {
+ // UserAgent is an optional field that specifies the caller of this
+ // request.
+ UserAgent string
+
+ // The base TLS configuration for this transport.
+ TLS TLSConfig
+
+ // Username and password for basic authentication
+ Username string
+ Password string
+
+ // Bearer token for authentication
+ BearerToken string
+
+ // Path to a file containing a BearerToken.
+ // If set, the contents are periodically read.
+ // The last successfully read value takes precedence over BearerToken.
+ BearerTokenFile string
+
+ // Impersonate is the config that this Config will impersonate using
+ Impersonate ImpersonationConfig
+
+ // Transport may be used for custom HTTP behavior. This attribute may
+ // not be specified with the TLS client certificate options. Use
+ // WrapTransport for most client level operations.
+ Transport http.RoundTripper
+
+ // WrapTransport will be invoked for custom HTTP behavior after the
+ // underlying transport is initialized (either the transport created
+ // from TLSClientConfig, Transport, or http.DefaultTransport). The
+ // config may layer other RoundTrippers on top of the returned
+ // RoundTripper.
+ //
+ // A future release will change this field to an array. Use config.Wrap()
+ // instead of setting this value directly.
+ WrapTransport WrapperFunc
+
+ // Dial specifies the dial function for creating unencrypted TCP connections.
+ Dial func(ctx context.Context, network, address string) (net.Conn, error)
+}
+
+// ImpersonationConfig has all the available impersonation options
+type ImpersonationConfig struct {
+ // UserName matches user.Info.GetName()
+ UserName string
+ // Groups matches user.Info.GetGroups()
+ Groups []string
+ // Extra matches user.Info.GetExtra()
+ Extra map[string][]string
+}
+
+// HasCA returns whether the configuration has a certificate authority or not.
+func (c *Config) HasCA() bool {
+ return len(c.TLS.CAData) > 0 || len(c.TLS.CAFile) > 0
+}
+
+// HasBasicAuth returns whether the configuration has basic authentication or not.
+func (c *Config) HasBasicAuth() bool {
+ return len(c.Username) != 0
+}
+
+// HasTokenAuth returns whether the configuration has token authentication or not.
+func (c *Config) HasTokenAuth() bool {
+ return len(c.BearerToken) != 0 || len(c.BearerTokenFile) != 0
+}
+
+// HasCertAuth returns whether the configuration has certificate authentication or not.
+func (c *Config) HasCertAuth() bool {
+ return (len(c.TLS.CertData) != 0 || len(c.TLS.CertFile) != 0) && (len(c.TLS.KeyData) != 0 || len(c.TLS.KeyFile) != 0)
+}
+
+// HasCertCallbacks returns whether the configuration has certificate callback or not.
+func (c *Config) HasCertCallback() bool {
+ return c.TLS.GetCert != nil
+}
+
+// Wrap adds a transport middleware function that will give the caller
+// an opportunity to wrap the underlying http.RoundTripper prior to the
+// first API call being made. The provided function is invoked after any
+// existing transport wrappers are invoked.
+func (c *Config) Wrap(fn WrapperFunc) {
+ c.WrapTransport = Wrappers(c.WrapTransport, fn)
+}
+
+// TLSConfig holds the information needed to set up a TLS transport.
+type TLSConfig struct {
+ CAFile string // Path of the PEM-encoded server trusted root certificates.
+ CertFile string // Path of the PEM-encoded client certificate.
+ KeyFile string // Path of the PEM-encoded client key.
+
+ Insecure bool // Server should be accessed without verifying the certificate. For testing only.
+ ServerName string // Override for the server name passed to the server for SNI and used to verify certificates.
+
+ CAData []byte // Bytes of the PEM-encoded server trusted root certificates. Supercedes CAFile.
+ CertData []byte // Bytes of the PEM-encoded client certificate. Supercedes CertFile.
+ KeyData []byte // Bytes of the PEM-encoded client key. Supercedes KeyFile.
+
+ GetCert func() (*tls.Certificate, error) // Callback that returns a TLS client certificate. CertData, CertFile, KeyData and KeyFile supercede this field.
+}