Isolated content of pkg/kustomize

pkg/commands/commands.go

@@ -0,0 +1,126 @@
+/*
+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 commands
+
+import (
+	"flag"
+	"io"
+	"os"
+
+	"github.com/spf13/cobra"
+	"k8s.io/kubectl/cmd/kustomize/version"
+	"k8s.io/kubectl/pkg/kustomize/util/fs"
+)
+
+// NewDefaultCommand returns the default (aka root) command for kustomize command.
+func NewDefaultCommand() *cobra.Command {
+	fsys := fs.MakeRealFS()
+	stdOut, stdErr := os.Stdout, os.Stderr
+
+	c := &cobra.Command{
+		Use:   "kustomize",
+		Short: "kustomize manages declarative configuration of Kubernetes",
+		Long: `
+kustomize manages declarative configuration of Kubernetes.
+
+More info at https://github.com/kubernetes/kubectl/tree/master/cmd/kustomize
+`,
+	}
+
+	c.AddCommand(
+		newCmdBuild(stdOut, stdErr, fsys),
+		newCmdDiff(stdOut, stdErr, fsys),
+		newCmdEdit(stdOut, stdErr, fsys),
+		version.NewCmdVersion(stdOut),
+	)
+	c.PersistentFlags().AddGoFlagSet(flag.CommandLine)
+
+	// Workaround for this issue:
+	// https://github.com/kubernetes/kubernetes/issues/17162
+	flag.CommandLine.Parse([]string{})
+	return c
+}
+
+// newCmdEdit returns an instance of 'edit' subcommand.
+func newCmdEdit(stdOut, stdErr io.Writer, fsys fs.FileSystem) *cobra.Command {
+	c := &cobra.Command{
+		Use:   "edit",
+		Short: "Edits a kustomization file",
+		Long:  "",
+		Example: `
+	# Adds a configmap to the kustomization file
+	kustomize edit add configmap NAME --from-literal=k=v
+
+	# Sets the nameprefix field
+	kustomize edit set nameprefix <prefix-value>
+`,
+		Args: cobra.MinimumNArgs(1),
+	}
+	c.AddCommand(
+		newCmdAdd(stdOut, stdErr, fsys),
+		newCmdSet(stdOut, stdErr, fsys),
+	)
+	return c
+}
+
+// newAddCommand returns an instance of 'add' subcommand.
+func newCmdAdd(stdOut, stdErr io.Writer, fsys fs.FileSystem) *cobra.Command {
+	c := &cobra.Command{
+		Use:   "add",
+		Short: "Adds configmap/resource/secret to the kustomization file.",
+		Long:  "",
+		Example: `
+	# Adds a configmap to the kustomization file
+	kustomize edit add configmap NAME --from-literal=k=v
+
+	# Adds a secret to the kustomization file
+	kustomize edit add secret NAME --from-literal=k=v
+
+	# Adds a resource to the kustomization
+	kustomize edit add resource <filepath>
+
+	# Adds a patch to the kustomization
+	kustomize edit add patch <filepath>
+`,
+		Args: cobra.MinimumNArgs(1),
+	}
+	c.AddCommand(
+		newCmdAddResource(stdOut, stdErr, fsys),
+		newCmdAddPatch(stdOut, stdErr, fsys),
+		newCmdAddConfigMap(stdErr, fsys),
+	)
+	return c
+}
+
+// newSetCommand returns an instance of 'set' subcommand.
+func newCmdSet(stdOut, stdErr io.Writer, fsys fs.FileSystem) *cobra.Command {
+	c := &cobra.Command{
+		Use:   "set",
+		Short: "Sets the value of different fields in kustomization file.",
+		Long:  "",
+		Example: `
+	# Sets the nameprefix field
+	kustomize edit set nameprefix <prefix-value>
+`,
+		Args: cobra.MinimumNArgs(1),
+	}
+
+	c.AddCommand(
+		newCmdSetNamePrefix(stdOut, stdErr, fsys),
+	)
+	return c
+}