mirror of
https://github.com/kubernetes/client-go.git
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0b62e254fe
(https://github.com/kubernetes/contrib/tree/master/mungegithub) Directory 1.4 is copied from https://github.com/kubernetes/kubernetes.git, branch release-1.4, last commit is 13fe69db3769db0ae6e6d0092d18c91a5c04ca1c Directory 1.5 is copied from https://github.com/kubernetes/kubernetes.git, branch master, last commit is 0cd24992c2ed1e46fbac9058ded5fae362b6ceef
94 lines
3.2 KiB
Go
94 lines
3.2 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package rest
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import (
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"fmt"
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"net/url"
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"path"
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"k8s.io/client-go/1.5/pkg/api/unversioned"
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)
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// DefaultServerURL converts a host, host:port, or URL string to the default base server API path
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// to use with a Client at a given API version following the standard conventions for a
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// Kubernetes API.
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func DefaultServerURL(host, apiPath string, groupVersion unversioned.GroupVersion, defaultTLS bool) (*url.URL, string, error) {
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if host == "" {
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return nil, "", fmt.Errorf("host must be a URL or a host:port pair")
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}
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base := host
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hostURL, err := url.Parse(base)
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if err != nil {
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return nil, "", err
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}
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if hostURL.Scheme == "" || hostURL.Host == "" {
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scheme := "http://"
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if defaultTLS {
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scheme = "https://"
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}
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hostURL, err = url.Parse(scheme + base)
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if err != nil {
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return nil, "", err
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}
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if hostURL.Path != "" && hostURL.Path != "/" {
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return nil, "", fmt.Errorf("host must be a URL or a host:port pair: %q", base)
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}
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}
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// hostURL.Path is optional; a non-empty Path is treated as a prefix that is to be applied to
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// all URIs used to access the host. this is useful when there's a proxy in front of the
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// apiserver that has relocated the apiserver endpoints, forwarding all requests from, for
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// example, /a/b/c to the apiserver. in this case the Path should be /a/b/c.
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//
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// if running without a frontend proxy (that changes the location of the apiserver), then
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// hostURL.Path should be blank.
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//
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// versionedAPIPath, a path relative to baseURL.Path, points to a versioned API base
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versionedAPIPath := path.Join("/", apiPath)
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// Add the version to the end of the path
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if len(groupVersion.Group) > 0 {
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versionedAPIPath = path.Join(versionedAPIPath, groupVersion.Group, groupVersion.Version)
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} else {
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versionedAPIPath = path.Join(versionedAPIPath, groupVersion.Version)
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}
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return hostURL, versionedAPIPath, nil
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}
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// defaultServerUrlFor is shared between IsConfigTransportTLS and RESTClientFor. It
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// requires Host and Version to be set prior to being called.
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func defaultServerUrlFor(config *Config) (*url.URL, string, error) {
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// TODO: move the default to secure when the apiserver supports TLS by default
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// config.Insecure is taken to mean "I want HTTPS but don't bother checking the certs against a CA."
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hasCA := len(config.CAFile) != 0 || len(config.CAData) != 0
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hasCert := len(config.CertFile) != 0 || len(config.CertData) != 0
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defaultTLS := hasCA || hasCert || config.Insecure
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host := config.Host
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if host == "" {
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host = "localhost"
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}
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if config.GroupVersion != nil {
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return DefaultServerURL(host, config.APIPath, *config.GroupVersion, defaultTLS)
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}
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return DefaultServerURL(host, config.APIPath, unversioned.GroupVersion{}, defaultTLS)
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}
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