mirror of https://github.com/k3s-io/k3s
105 lines
3.3 KiB
Go
105 lines
3.3 KiB
Go
/*
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Copyright 2017 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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"io"
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"github.com/spf13/cobra"
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"k8s.io/kubernetes/pkg/apis/rbac"
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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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clusterRoleLong = templates.LongDesc(i18n.T(`
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Create a ClusterRole.`))
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clusterRoleExample = templates.Examples(i18n.T(`
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# Create a ClusterRole named "pod-reader" that allows user to perform "get", "watch" and "list" on pods
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kubectl create clusterrole pod-reader --verb=get,list,watch --resource=pods
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# Create a ClusterRole named "pod-reader" with ResourceName specified
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kubectl create clusterrole pod-reader --verb=get,list,watch --resource=pods --resource-name=readablepod
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# Create a ClusterRole named "foo" with API Group specified
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kubectl create clusterrole foo --verb=get,list,watch --resource=rs.extensions
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# Create a ClusterRole named "foo" with SubResource specified
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kubectl create clusterrole foo --verb=get,list,watch --resource=pods,pods/status`))
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)
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type CreateClusterRoleOptions struct {
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*CreateRoleOptions
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}
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// ClusterRole is a command to ease creating ClusterRoles.
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func NewCmdCreateClusterRole(f cmdutil.Factory, cmdOut io.Writer) *cobra.Command {
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c := &CreateClusterRoleOptions{
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CreateRoleOptions: &CreateRoleOptions{
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Out: cmdOut,
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},
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}
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cmd := &cobra.Command{
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Use: "clusterrole NAME --verb=verb --resource=resource.group [--resource-name=resourcename] [--dry-run]",
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Short: clusterRoleLong,
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Long: clusterRoleLong,
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Example: clusterRoleExample,
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Run: func(cmd *cobra.Command, args []string) {
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cmdutil.CheckErr(c.Complete(f, cmd, args))
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cmdutil.CheckErr(c.Validate())
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cmdutil.CheckErr(c.RunCreateRole())
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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.AddDryRunFlag(cmd)
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cmd.Flags().StringSliceVar(&c.Verbs, "verb", []string{}, "verb that applies to the resources contained in the rule")
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cmd.Flags().StringSlice("resource", []string{}, "resource that the rule applies to")
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cmd.Flags().StringSliceVar(&c.ResourceNames, "resource-name", []string{}, "resource in the white list that the rule applies to")
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return cmd
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}
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func (c *CreateClusterRoleOptions) RunCreateRole() error {
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clusterRole := &rbac.ClusterRole{}
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clusterRole.Name = c.Name
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rules, err := generateResourcePolicyRules(c.Mapper, c.Verbs, c.Resources, c.ResourceNames)
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if err != nil {
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return err
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}
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clusterRole.Rules = rules
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// Create ClusterRole.
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if !c.DryRun {
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_, err = c.Client.ClusterRoles().Create(clusterRole)
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if err != nil {
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return err
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}
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}
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if useShortOutput := c.OutputFormat == "name"; useShortOutput || len(c.OutputFormat) == 0 {
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cmdutil.PrintSuccess(c.Mapper, useShortOutput, c.Out, "clusterroles", c.Name, c.DryRun, "created")
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return nil
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}
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return c.PrintObject(clusterRole)
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}
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