mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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ffa764d60b
This change allows the namespace in kubeconfig to be overridden by specifying the namespace in the spec file. If namespace is explicitly provided in the command line flags and the spec file has a different namespace, this will cause an error.
100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors All rights reserved.
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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 cmd
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import (
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"fmt"
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"io"
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"github.com/spf13/cobra"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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cmdutil "github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl/cmd/util"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl/resource"
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)
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const (
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patch_long = `Update field(s) of a resource using strategic merge patch
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JSON and YAML formats are accepted.`
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patch_example = `
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// Partially update a node using strategic merge patch
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kubectl patch node k8s-node-1 -p '{"spec":{"unschedulable":true}}'`
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)
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func NewCmdPatch(f *cmdutil.Factory, out io.Writer) *cobra.Command {
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cmd := &cobra.Command{
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Use: "patch RESOURCE NAME -p PATCH",
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Short: "Update field(s) of a resource by stdin.",
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Long: patch_long,
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Example: patch_example,
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Run: func(cmd *cobra.Command, args []string) {
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err := RunPatch(f, out, cmd, args)
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cmdutil.CheckCustomErr("Patch failed", err)
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},
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}
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cmd.Flags().StringP("patch", "p", "", "The patch to be appied to the resource JSON file.")
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cmd.MarkFlagRequired("patch")
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return cmd
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}
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func RunPatch(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
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cmdNamespace, _, err := f.DefaultNamespace()
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if err != nil {
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return err
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}
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patch := cmdutil.GetFlagString(cmd, "patch")
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if len(patch) == 0 {
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return cmdutil.UsageError(cmd, "Must specify -p to patch")
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}
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mapper, typer := f.Object()
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r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
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ContinueOnError().
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NamespaceParam(cmdNamespace).DefaultNamespace().
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ResourceTypeOrNameArgs(false, args...).
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Flatten().
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Do()
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err = r.Err()
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if err != nil {
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return err
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}
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mapping, err := r.ResourceMapping()
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if err != nil {
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return err
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}
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client, err := f.RESTClient(mapping)
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if err != nil {
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return err
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}
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infos, err := r.Infos()
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if err != nil {
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return err
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}
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name, namespace := infos[0].Name, infos[0].Namespace
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helper := resource.NewHelper(client, mapping)
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_, err = helper.Patch(namespace, name, api.StrategicMergePatchType, []byte(patch))
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if err != nil {
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return err
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}
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fmt.Fprintf(out, "%s\n", name)
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return nil
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}
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