mirror of https://github.com/k3s-io/k3s
121 lines
3.2 KiB
Go
121 lines
3.2 KiB
Go
/*
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Copyright 2020 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 config
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import (
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"fmt"
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"github.com/spf13/cobra"
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"k8s.io/cli-runtime/pkg/genericclioptions"
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"k8s.io/client-go/tools/clientcmd"
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clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
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cmdutil "k8s.io/kubectl/pkg/cmd/util"
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"k8s.io/kubectl/pkg/util/i18n"
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"k8s.io/kubectl/pkg/util/templates"
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)
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var (
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deleteUserExample = templates.Examples(`
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# Delete the minikube user
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kubectl config delete-user minikube`)
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)
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// DeleteUserOptions holds the data needed to run the command
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type DeleteUserOptions struct {
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user string
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configAccess clientcmd.ConfigAccess
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config *clientcmdapi.Config
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configFile string
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genericclioptions.IOStreams
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}
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// NewDeleteUserOptions creates the options for the command
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func NewDeleteUserOptions(ioStreams genericclioptions.IOStreams, configAccess clientcmd.ConfigAccess) *DeleteUserOptions {
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return &DeleteUserOptions{
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configAccess: configAccess,
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IOStreams: ioStreams,
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}
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}
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// NewCmdConfigDeleteUser returns a Command instance for 'config delete-user' sub command
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func NewCmdConfigDeleteUser(streams genericclioptions.IOStreams, configAccess clientcmd.ConfigAccess) *cobra.Command {
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o := NewDeleteUserOptions(streams, configAccess)
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cmd := &cobra.Command{
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Use: "delete-user NAME",
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DisableFlagsInUseLine: true,
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Short: i18n.T("Delete the specified user from the kubeconfig"),
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Long: i18n.T("Delete the specified user from the kubeconfig"),
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Example: deleteUserExample,
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Run: func(cmd *cobra.Command, args []string) {
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cmdutil.CheckErr(o.Complete(cmd, args))
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cmdutil.CheckErr(o.Validate())
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cmdutil.CheckErr(o.Run())
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},
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}
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return cmd
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}
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// Complete sets up the command to run
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func (o *DeleteUserOptions) Complete(cmd *cobra.Command, args []string) error {
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config, err := o.configAccess.GetStartingConfig()
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if err != nil {
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return err
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}
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o.config = config
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if len(args) != 1 {
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return cmdutil.UsageErrorf(cmd, "user to delete is required")
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}
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o.user = args[0]
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configFile := o.configAccess.GetDefaultFilename()
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if o.configAccess.IsExplicitFile() {
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configFile = o.configAccess.GetExplicitFile()
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}
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o.configFile = configFile
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return nil
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}
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// Validate ensures the command has enough info to run
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func (o *DeleteUserOptions) Validate() error {
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_, ok := o.config.AuthInfos[o.user]
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if !ok {
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return fmt.Errorf("cannot delete user %s, not in %s", o.user, o.configFile)
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}
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return nil
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}
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// Run performs the command
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func (o *DeleteUserOptions) Run() error {
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delete(o.config.AuthInfos, o.user)
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if err := clientcmd.ModifyConfig(o.configAccess, *o.config, true); err != nil {
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return err
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}
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fmt.Fprintf(o.Out, "deleted user %s from %s\n", o.user, o.configFile)
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return nil
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}
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