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90 lines
3.4 KiB
Go
90 lines
3.4 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 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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"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/util/i18n"
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)
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var (
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roleBindingLong = templates.LongDesc(i18n.T(`
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Create a RoleBinding for a particular Role or ClusterRole.`))
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roleBindingExample = templates.Examples(i18n.T(`
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# Create a RoleBinding for user1, user2, and group1 using the admin ClusterRole
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kubectl create rolebinding admin --clusterrole=admin --user=user1 --user=user2 --group=group1`))
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)
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// RoleBinding is a command to ease creating RoleBindings.
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func NewCmdCreateRoleBinding(f cmdutil.Factory, cmdOut io.Writer) *cobra.Command {
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cmd := &cobra.Command{
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Use: "rolebinding NAME --clusterrole=NAME|--role=NAME [--user=username] [--group=groupname] [--serviceaccount=namespace:serviceaccountname] [--dry-run]",
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Short: i18n.T("Create a RoleBinding for a particular Role or ClusterRole"),
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Long: roleBindingLong,
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Example: roleBindingExample,
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Run: func(cmd *cobra.Command, args []string) {
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err := CreateRoleBinding(f, cmdOut, cmd, args)
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cmdutil.CheckErr(err)
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},
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}
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cmdutil.AddApplyAnnotationFlags(cmd)
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cmdutil.AddValidateFlags(cmd)
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cmdutil.AddPrinterFlags(cmd)
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cmdutil.AddGeneratorFlags(cmd, cmdutil.RoleBindingV1GeneratorName)
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cmd.Flags().String("clusterrole", "", i18n.T("ClusterRole this RoleBinding should reference"))
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cmd.Flags().String("role", "", i18n.T("Role this RoleBinding should reference"))
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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 CreateRoleBinding(f cmdutil.Factory, cmdOut io.Writer, 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.RoleBindingV1GeneratorName:
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generator = &kubectl.RoleBindingGeneratorV1{
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Name: name,
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ClusterRole: cmdutil.GetFlagString(cmd, "clusterrole"),
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Role: cmdutil.GetFlagString(cmd, "role"),
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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 cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not supported.", generatorName))
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}
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return RunCreateSubcommand(f, cmd, cmdOut, &CreateSubcommandOptions{
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Name: name,
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StructuredGenerator: generator,
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DryRun: cmdutil.GetDryRunFlag(cmd),
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OutputFormat: cmdutil.GetFlagString(cmd, "output"),
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})
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}
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