mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-31 13:50:01 +00:00
116 lines
2.7 KiB
Go
116 lines
2.7 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 config
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"reflect"
|
|
|
|
"github.com/spf13/cobra"
|
|
"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
|
|
|
|
"k8s.io/client-go/tools/clientcmd"
|
|
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
|
|
"k8s.io/kubernetes/pkg/kubectl/util/i18n"
|
|
)
|
|
|
|
type unsetOptions struct {
|
|
configAccess clientcmd.ConfigAccess
|
|
propertyName string
|
|
}
|
|
|
|
var (
|
|
unsetLong = templates.LongDesc(`
|
|
Unsets an individual value in a kubeconfig file
|
|
|
|
PROPERTY_NAME is a dot delimited name where each token represents either an attribute name or a map key. Map keys may not contain dots.`)
|
|
|
|
unsetExample = templates.Examples(`
|
|
# Unset the current-context.
|
|
kubectl config unset current-context
|
|
|
|
# Unset namespace in foo context.
|
|
kubectl config unset contexts.foo.namespace`)
|
|
)
|
|
|
|
func NewCmdConfigUnset(out io.Writer, configAccess clientcmd.ConfigAccess) *cobra.Command {
|
|
options := &unsetOptions{configAccess: configAccess}
|
|
|
|
cmd := &cobra.Command{
|
|
Use: "unset PROPERTY_NAME",
|
|
DisableFlagsInUseLine: true,
|
|
Short: i18n.T("Unsets an individual value in a kubeconfig file"),
|
|
Long: unsetLong,
|
|
Example: unsetExample,
|
|
Run: func(cmd *cobra.Command, args []string) {
|
|
cmdutil.CheckErr(options.complete(cmd, args))
|
|
cmdutil.CheckErr(options.run(out))
|
|
|
|
},
|
|
}
|
|
|
|
return cmd
|
|
}
|
|
|
|
func (o unsetOptions) run(out io.Writer) error {
|
|
err := o.validate()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
config, err := o.configAccess.GetStartingConfig()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
steps, err := newNavigationSteps(o.propertyName)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = modifyConfig(reflect.ValueOf(config), steps, "", true, true)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := clientcmd.ModifyConfig(o.configAccess, *config, false); err != nil {
|
|
return err
|
|
}
|
|
if _, err := fmt.Fprintf(out, "Property %q unset.\n", o.propertyName); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (o *unsetOptions) complete(cmd *cobra.Command, args []string) error {
|
|
if len(args) != 1 {
|
|
return helpErrorf(cmd, "Unexpected args: %v", args)
|
|
}
|
|
|
|
o.propertyName = args[0]
|
|
return nil
|
|
}
|
|
|
|
func (o unsetOptions) validate() error {
|
|
if len(o.propertyName) == 0 {
|
|
return errors.New("you must specify a property")
|
|
}
|
|
|
|
return nil
|
|
}
|