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delete.go
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delete.go
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/*
Copyright 2017 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 cmd
import (
"fmt"
"os/exec"
"strings"
"github.com/spf13/cobra"
)
var (
deleteLong = `Delete resource directly from etcd`
deleteExample = `kubectd delete pod <name> (-n <namespace>)`
)
var delCmd = &cobra.Command{
Use: "delete",
Short: "Delete resource directly from etcd",
Long: deleteLong,
Example: deleteExample,
RunE: func(cmd *cobra.Command, args []string) error {
resourceDel = args[0]
resourceNameDel = args[1]
return etcdctlDel()
},
}
type delOptions struct {
cacert string
cert string
key string
endpoint string
namespace string
}
var deloptions *delOptions = &delOptions{}
var resourceDel, resourceNameDel string
func init() {
RootCmd.AddCommand(delCmd)
delCmd.Flags().StringVarP(&deloptions.endpoint, "endpoint", "", "127.0.0.1:2379", "Endopint. Default: 127.0.0.1:2379")
delCmd.Flags().StringVarP(&deloptions.cacert, "cacert", "", "/etc/kubernetes/pki/etcd/ca.crt", "CA Certificate")
delCmd.Flags().StringVarP(&deloptions.key, "key", "", "/etc/kubernetes/pki/etcd/server.key", "Key File")
delCmd.Flags().StringVarP(&deloptions.cert, "cert", "", "/etc/kubernetes/pki/etcd/server.crt", "Server Certificate")
delCmd.Flags().StringVarP(&deloptions.namespace, "namespace", "n", "default", "Namespace")
}
func etcdctlDel() error {
var path string
var etcdOptions string
if strings.Contains(resourceDel, "service") {
path = "/registry/services/specs/" + deloptions.namespace + "s/" + resourceNameDel
} else if strings.Contains(resourceDel, "node") {
path = "/registry/minions/" + resourceNameDel
} else if strings.Contains(resourceDel, "namespace") {
path = "/registry/namespaces/" + resourceNameDel
} else if strings.Contains(resourceDel, "event") {
path = "/registry/events/" + deloptions.namespace + "/" + resourceNameDel + "."
etcdOptions = "--prefix=true"
fmt.Println(path)
} else {
path = "/registry/" + resourceDel + "s/" + deloptions.namespace + "/" + resourceNameDel
}
command := exec.Command("etcdctl",
"--endpoints", deloptions.endpoint,
"--cert", deloptions.cert,
"--key", deloptions.key,
"--cacert", deloptions.cacert,
"del", path, etcdOptions)
command.Env = append(command.Env, "ETCDCTL_API=3")
_, err := command.Output()
if err != nil {
return err
}
return nil
}