vendor files

vendor/k8s.io/kubernetes/pkg/kubectl/cmd/alpha.go

@@ -0,0 +1,51 @@
+/*
+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/kubectl/cmd/templates"
+	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
+	"k8s.io/kubernetes/pkg/kubectl/util/i18n"
+)
+
+// NewCmdAlpha creates a command that acts as an alternate root command for features in alpha
+func NewCmdAlpha(f cmdutil.Factory, in io.Reader, out, err io.Writer) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "alpha",
+		Short: i18n.T("Commands for features in alpha"),
+		Long:  templates.LongDesc(i18n.T("These commands correspond to alpha features that are not enabled in Kubernetes clusters by default.")),
+	}
+
+	// Alpha commands should be added here. As features graduate from alpha they should move
+	// from here to the CommandGroups defined by NewKubeletCommand() in cmd.go.
+	//cmd.AddCommand(NewCmdDebug(f, in, out, err))
+	cmd.AddCommand(NewCmdDiff(f, out, err))
+
+	// NewKubeletCommand() will hide the alpha command if it has no subcommands. Overriding
+	// the help function ensures a reasonable message if someone types the hidden command anyway.
+	if !cmd.HasSubCommands() {
+		cmd.SetHelpFunc(func(*cobra.Command, []string) {
+			cmd.Println(i18n.T("No alpha commands are available in this version of kubectl"))
+		})
+	}
+
+	return cmd
+}