Files
client-go/rest/transport.go
Kubernetes Publisher baf97d23c3 plumb the proxyTransport to the webhook admission plugin;
set the ServerName in the config for webhook admission plugin.

Kubernetes-commit: 186a0684d582272aa2fbfec390aea5fbb88a8bc6
2017-09-22 11:22:07 +00:00

102 lines
3.1 KiB
Go

/*
Copyright 2014 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 rest
import (
"crypto/tls"
"net/http"
"k8s.io/client-go/transport"
)
// TLSConfigFor returns a tls.Config that will provide the transport level security defined
// by the provided Config. Will return nil if no transport level security is requested.
func TLSConfigFor(config *Config) (*tls.Config, error) {
cfg, err := config.TransportConfig()
if err != nil {
return nil, err
}
return transport.TLSConfigFor(cfg)
}
// TransportFor returns an http.RoundTripper that will provide the authentication
// or transport level security defined by the provided Config. Will return the
// default http.DefaultTransport if no special case behavior is needed.
func TransportFor(config *Config) (http.RoundTripper, error) {
cfg, err := config.TransportConfig()
if err != nil {
return nil, err
}
return transport.New(cfg)
}
// HTTPWrappersForConfig wraps a round tripper with any relevant layered behavior from the
// config. Exposed to allow more clients that need HTTP-like behavior but then must hijack
// the underlying connection (like WebSocket or HTTP2 clients). Pure HTTP clients should use
// the higher level TransportFor or RESTClientFor methods.
func HTTPWrappersForConfig(config *Config, rt http.RoundTripper) (http.RoundTripper, error) {
cfg, err := config.TransportConfig()
if err != nil {
return nil, err
}
return transport.HTTPWrappersForConfig(cfg, rt)
}
// TransportConfig converts a client config to an appropriate transport config.
func (c *Config) TransportConfig() (*transport.Config, error) {
wt := c.WrapTransport
if c.AuthProvider != nil {
provider, err := GetAuthProvider(c.Host, c.AuthProvider, c.AuthConfigPersister)
if err != nil {
return nil, err
}
if wt != nil {
previousWT := wt
wt = func(rt http.RoundTripper) http.RoundTripper {
return provider.WrapTransport(previousWT(rt))
}
} else {
wt = provider.WrapTransport
}
}
return &transport.Config{
UserAgent: c.UserAgent,
Transport: c.Transport,
WrapTransport: wt,
TLS: transport.TLSConfig{
Insecure: c.Insecure,
ServerName: c.ServerName,
CAFile: c.CAFile,
CAData: c.CAData,
CertFile: c.CertFile,
CertData: c.CertData,
KeyFile: c.KeyFile,
KeyData: c.KeyData,
},
Username: c.Username,
Password: c.Password,
CacheDir: c.CacheDir,
BearerToken: c.BearerToken,
Impersonate: transport.ImpersonationConfig{
UserName: c.Impersonate.UserName,
Groups: c.Impersonate.Groups,
Extra: c.Impersonate.Extra,
},
Dial: c.Dial,
}, nil
}