kubernetes/pkg/kubectl/cmd/config/create_authinfo.go

132 lines
3.8 KiB
Go

/*
Copyright 2014 Google Inc. All rights reserved.
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 config
import (
"errors"
"fmt"
"io"
"github.com/spf13/cobra"
"github.com/GoogleCloudPlatform/kubernetes/pkg/client/clientcmd"
clientcmdapi "github.com/GoogleCloudPlatform/kubernetes/pkg/client/clientcmd/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
)
type createAuthInfoOptions struct {
pathOptions *pathOptions
name string
authPath util.StringFlag
clientCertificate util.StringFlag
clientKey util.StringFlag
token util.StringFlag
}
func NewCmdConfigSetAuthInfo(out io.Writer, pathOptions *pathOptions) *cobra.Command {
options := &createAuthInfoOptions{pathOptions: pathOptions}
cmd := &cobra.Command{
Use: fmt.Sprintf("set-credentials name [--%v=path/to/auth/file] [--%v=path/to/certficate/file] [--%v=path/to/key/file] [--%v=bearer_token_string]", clientcmd.FlagAuthPath, clientcmd.FlagCertFile, clientcmd.FlagKeyFile, clientcmd.FlagBearerToken),
Short: "Sets a user entry in .kubeconfig",
Long: `Sets a user entry in .kubeconfig
Specifying a name that already exists will merge new fields on top of existing values for those fields.
e.g.
kubectl config set-credentials cluster-admin --client-key=~/.kube/cluster-admin/.kubecfg.key
only sets the client-key field on the cluster-admin user entry without touching other values.
`,
Run: func(cmd *cobra.Command, args []string) {
if !options.complete(cmd) {
return
}
err := options.run()
if err != nil {
fmt.Printf("%v\n", err)
}
},
}
cmd.Flags().Var(&options.authPath, clientcmd.FlagAuthPath, clientcmd.FlagAuthPath+" for the user entry in .kubeconfig")
cmd.Flags().Var(&options.clientCertificate, clientcmd.FlagCertFile, clientcmd.FlagCertFile+" for the user entry in .kubeconfig")
cmd.Flags().Var(&options.clientKey, clientcmd.FlagKeyFile, clientcmd.FlagKeyFile+" for the user entry in .kubeconfig")
cmd.Flags().Var(&options.token, clientcmd.FlagBearerToken, clientcmd.FlagBearerToken+" for the user entry in .kubeconfig")
return cmd
}
func (o createAuthInfoOptions) run() error {
err := o.validate()
if err != nil {
return err
}
config, filename, err := o.pathOptions.getStartingConfig()
if err != nil {
return err
}
authInfo := o.modifyAuthInfo(config.AuthInfos[o.name])
config.AuthInfos[o.name] = authInfo
err = clientcmd.WriteToFile(*config, filename)
if err != nil {
return err
}
return nil
}
// authInfo builds an AuthInfo object from the options
func (o *createAuthInfoOptions) modifyAuthInfo(existingAuthInfo clientcmdapi.AuthInfo) clientcmdapi.AuthInfo {
modifiedAuthInfo := existingAuthInfo
if o.authPath.Provided() {
modifiedAuthInfo.AuthPath = o.authPath.Value()
}
if o.clientCertificate.Provided() {
modifiedAuthInfo.ClientCertificate = o.clientCertificate.Value()
}
if o.clientKey.Provided() {
modifiedAuthInfo.ClientKey = o.clientKey.Value()
}
if o.token.Provided() {
modifiedAuthInfo.Token = o.token.Value()
}
return modifiedAuthInfo
}
func (o *createAuthInfoOptions) complete(cmd *cobra.Command) bool {
args := cmd.Flags().Args()
if len(args) != 1 {
cmd.Help()
return false
}
o.name = args[0]
return true
}
func (o createAuthInfoOptions) validate() error {
if len(o.name) == 0 {
return errors.New("You must specify a non-empty user name")
}
return nil
}