create_clusterrolebinding.go 4.0 KB

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  1. /*
  2. Copyright 2016 The Kubernetes Authors.
  3. Licensed under the Apache License, Version 2.0 (the "License");
  4. you may not use this file except in compliance with the License.
  5. You may obtain a copy of the License at
  6. http://www.apache.org/licenses/LICENSE-2.0
  7. Unless required by applicable law or agreed to in writing, software
  8. distributed under the License is distributed on an "AS IS" BASIS,
  9. WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  10. See the License for the specific language governing permissions and
  11. limitations under the License.
  12. */
  13. package create
  14. import (
  15. "github.com/spf13/cobra"
  16. "k8s.io/cli-runtime/pkg/genericclioptions"
  17. cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
  18. "k8s.io/kubernetes/pkg/kubectl/generate"
  19. generateversioned "k8s.io/kubernetes/pkg/kubectl/generate/versioned"
  20. "k8s.io/kubernetes/pkg/kubectl/util/i18n"
  21. "k8s.io/kubernetes/pkg/kubectl/util/templates"
  22. )
  23. var (
  24. clusterRoleBindingLong = templates.LongDesc(i18n.T(`
  25. Create a ClusterRoleBinding for a particular ClusterRole.`))
  26. clusterRoleBindingExample = templates.Examples(i18n.T(`
  27. # Create a ClusterRoleBinding for user1, user2, and group1 using the cluster-admin ClusterRole
  28. kubectl create clusterrolebinding cluster-admin --clusterrole=cluster-admin --user=user1 --user=user2 --group=group1`))
  29. )
  30. // ClusterRoleBindingOpts is returned by NewCmdCreateClusterRoleBinding
  31. type ClusterRoleBindingOpts struct {
  32. CreateSubcommandOptions *CreateSubcommandOptions
  33. }
  34. // NewCmdCreateClusterRoleBinding returns an initialized command instance of ClusterRoleBinding
  35. func NewCmdCreateClusterRoleBinding(f cmdutil.Factory, ioStreams genericclioptions.IOStreams) *cobra.Command {
  36. o := &ClusterRoleBindingOpts{
  37. CreateSubcommandOptions: NewCreateSubcommandOptions(ioStreams),
  38. }
  39. cmd := &cobra.Command{
  40. Use: "clusterrolebinding NAME --clusterrole=NAME [--user=username] [--group=groupname] [--serviceaccount=namespace:serviceaccountname] [--dry-run]",
  41. DisableFlagsInUseLine: true,
  42. Short: i18n.T("Create a ClusterRoleBinding for a particular ClusterRole"),
  43. Long: clusterRoleBindingLong,
  44. Example: clusterRoleBindingExample,
  45. Run: func(cmd *cobra.Command, args []string) {
  46. cmdutil.CheckErr(o.Complete(f, cmd, args))
  47. cmdutil.CheckErr(o.Run())
  48. },
  49. }
  50. o.CreateSubcommandOptions.PrintFlags.AddFlags(cmd)
  51. cmdutil.AddApplyAnnotationFlags(cmd)
  52. cmdutil.AddValidateFlags(cmd)
  53. cmdutil.AddGeneratorFlags(cmd, generateversioned.ClusterRoleBindingV1GeneratorName)
  54. cmd.Flags().String("clusterrole", "", i18n.T("ClusterRole this ClusterRoleBinding should reference"))
  55. cmd.MarkFlagCustom("clusterrole", "__kubectl_get_resource_clusterrole")
  56. cmd.Flags().StringArray("user", []string{}, "Usernames to bind to the clusterrole")
  57. cmd.Flags().StringArray("group", []string{}, "Groups to bind to the clusterrole")
  58. cmd.Flags().StringArray("serviceaccount", []string{}, "Service accounts to bind to the clusterrole, in the format <namespace>:<name>")
  59. return cmd
  60. }
  61. // Complete completes all the required options
  62. func (o *ClusterRoleBindingOpts) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string) error {
  63. name, err := NameFromCommandArgs(cmd, args)
  64. if err != nil {
  65. return err
  66. }
  67. var generator generate.StructuredGenerator
  68. switch generatorName := cmdutil.GetFlagString(cmd, "generator"); generatorName {
  69. case generateversioned.ClusterRoleBindingV1GeneratorName:
  70. generator = &generateversioned.ClusterRoleBindingGeneratorV1{
  71. Name: name,
  72. ClusterRole: cmdutil.GetFlagString(cmd, "clusterrole"),
  73. Users: cmdutil.GetFlagStringArray(cmd, "user"),
  74. Groups: cmdutil.GetFlagStringArray(cmd, "group"),
  75. ServiceAccounts: cmdutil.GetFlagStringArray(cmd, "serviceaccount"),
  76. }
  77. default:
  78. return errUnsupportedGenerator(cmd, generatorName)
  79. }
  80. return o.CreateSubcommandOptions.Complete(f, cmd, args, generator)
  81. }
  82. // Run calls the CreateSubcommandOptions.Run in ClusterRoleBindingOpts instance
  83. func (o *ClusterRoleBindingOpts) Run() error {
  84. return o.CreateSubcommandOptions.Run()
  85. }