Added kubectl create clusterrole command.

Added `kubectl create clusterrole` command.

pkg/kubectl/cmd/create_clusterrole.go

@@ -0,0 +1,97 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cmd
+
+import (
+	"io"
+
+	"github.com/spf13/cobra"
+
+	"k8s.io/kubernetes/pkg/apis/rbac"
+	"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
+	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
+)
+
+var (
+	clusterRoleLong = templates.LongDesc(`
+		Create a ClusterRole.`)
+
+	clusterRoleExample = templates.Examples(`
+		# Create a ClusterRole named "pod-reader" that allows user to perform "get", "watch" and "list" on pods
+		kubectl create clusterrole pod-reader --verb=get,list,watch --resource=pods
+
+		# Create a ClusterRole named "pod-reader" with ResourceName specified
+		kubectl create clusterrole pod-reader --verb=get,list,watch --resource=pods --resource-name=readablepod`)
+)
+
+type CreateClusterRoleOptions struct {
+	*CreateRoleOptions
+}
+
+// ClusterRole is a command to ease creating ClusterRoles.
+func NewCmdCreateClusterRole(f cmdutil.Factory, cmdOut io.Writer) *cobra.Command {
+	c := &CreateClusterRoleOptions{
+		CreateRoleOptions: &CreateRoleOptions{
+			Out: cmdOut,
+		},
+	}
+	cmd := &cobra.Command{
+		Use:     "clusterrole NAME --verb=verb --resource=resource.group [--resource-name=resourcename] [--dry-run]",
+		Short:   clusterRoleLong,
+		Long:    clusterRoleLong,
+		Example: clusterRoleExample,
+		Run: func(cmd *cobra.Command, args []string) {
+			cmdutil.CheckErr(c.Complete(f, cmd, args))
+			cmdutil.CheckErr(c.Validate())
+			cmdutil.CheckErr(c.RunCreateRole())
+		},
+	}
+	cmdutil.AddApplyAnnotationFlags(cmd)
+	cmdutil.AddValidateFlags(cmd)
+	cmdutil.AddPrinterFlags(cmd)
+	cmdutil.AddDryRunFlag(cmd)
+	cmd.Flags().StringSliceVar(&c.Verbs, "verb", []string{}, "verb that applies to the resources contained in the rule")
+	cmd.Flags().StringSlice("resource", []string{}, "resource that the rule applies to")
+	cmd.Flags().StringSliceVar(&c.ResourceNames, "resource-name", []string{}, "resource in the white list that the rule applies to")
+
+	return cmd
+}
+
+func (c *CreateClusterRoleOptions) RunCreateRole() error {
+	clusterRole := &rbac.ClusterRole{}
+	clusterRole.Name = c.Name
+	rules, err := generateResourcePolicyRules(c.Mapper, c.Verbs, c.Resources, c.ResourceNames)
+	if err != nil {
+		return err
+	}
+	clusterRole.Rules = rules
+
+	// Create ClusterRole.
+	if !c.DryRun {
+		_, err = c.Client.ClusterRoles().Create(clusterRole)
+		if err != nil {
+			return err
+		}
+	}
+
+	if useShortOutput := c.OutputFormat == "name"; useShortOutput || len(c.OutputFormat) == 0 {
+		cmdutil.PrintSuccess(c.Mapper, useShortOutput, c.Out, "clusterroles", c.Name, c.DryRun, "created")
+		return nil
+	}
+
+	return c.PrintObject(clusterRole)
+}