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100 lines
3.8 KiB
Go
100 lines
3.8 KiB
Go
/*
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Copyright 2016 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 create
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import (
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"github.com/spf13/cobra"
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"k8s.io/kubernetes/pkg/kubectl"
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"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
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cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
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"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
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"k8s.io/kubernetes/pkg/kubectl/util/i18n"
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)
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var (
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clusterRoleBindingLong = templates.LongDesc(i18n.T(`
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Create a ClusterRoleBinding for a particular ClusterRole.`))
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clusterRoleBindingExample = templates.Examples(i18n.T(`
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# Create a ClusterRoleBinding for user1, user2, and group1 using the cluster-admin ClusterRole
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kubectl create clusterrolebinding cluster-admin --clusterrole=cluster-admin --user=user1 --user=user2 --group=group1`))
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)
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type ClusterRoleBindingOpts struct {
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CreateSubcommandOptions *CreateSubcommandOptions
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}
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// ClusterRoleBinding is a command to ease creating ClusterRoleBindings.
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func NewCmdCreateClusterRoleBinding(f cmdutil.Factory, ioStreams genericclioptions.IOStreams) *cobra.Command {
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options := &ClusterRoleBindingOpts{
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CreateSubcommandOptions: NewCreateSubcommandOptions(ioStreams),
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}
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cmd := &cobra.Command{
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Use: "clusterrolebinding NAME --clusterrole=NAME [--user=username] [--group=groupname] [--serviceaccount=namespace:serviceaccountname] [--dry-run]",
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DisableFlagsInUseLine: true,
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Short: i18n.T("Create a ClusterRoleBinding for a particular ClusterRole"),
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Long: clusterRoleBindingLong,
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Example: clusterRoleBindingExample,
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Run: func(cmd *cobra.Command, args []string) {
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cmdutil.CheckErr(options.Complete(cmd, args))
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cmdutil.CheckErr(options.Run(f))
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},
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}
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options.CreateSubcommandOptions.PrintFlags.AddFlags(cmd)
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cmdutil.AddApplyAnnotationFlags(cmd)
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cmdutil.AddValidateFlags(cmd)
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cmdutil.AddGeneratorFlags(cmd, cmdutil.ClusterRoleBindingV1GeneratorName)
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cmd.Flags().String("clusterrole", "", i18n.T("ClusterRole this ClusterRoleBinding should reference"))
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cmd.MarkFlagCustom("clusterrole", "__kubectl_get_resource_clusterrole")
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cmd.Flags().StringArray("user", []string{}, "Usernames to bind to the role")
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cmd.Flags().StringArray("group", []string{}, "Groups to bind to the role")
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cmd.Flags().StringArray("serviceaccount", []string{}, "Service accounts to bind to the role, in the format <namespace>:<name>")
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return cmd
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}
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func (o *ClusterRoleBindingOpts) Complete(cmd *cobra.Command, args []string) error {
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name, err := NameFromCommandArgs(cmd, args)
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if err != nil {
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return err
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}
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var generator kubectl.StructuredGenerator
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switch generatorName := cmdutil.GetFlagString(cmd, "generator"); generatorName {
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case cmdutil.ClusterRoleBindingV1GeneratorName:
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generator = &kubectl.ClusterRoleBindingGeneratorV1{
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Name: name,
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ClusterRole: cmdutil.GetFlagString(cmd, "clusterrole"),
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Users: cmdutil.GetFlagStringArray(cmd, "user"),
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Groups: cmdutil.GetFlagStringArray(cmd, "group"),
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ServiceAccounts: cmdutil.GetFlagStringArray(cmd, "serviceaccount"),
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}
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default:
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return errUnsupportedGenerator(cmd, generatorName)
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}
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return o.CreateSubcommandOptions.Complete(cmd, args, generator)
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}
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// CreateClusterRoleBinding is the implementation of the create clusterrolebinding command.
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func (o *ClusterRoleBindingOpts) Run(f cmdutil.Factory) error {
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return RunCreateSubcommand(f, o.CreateSubcommandOptions)
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}
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