kubectl/pkg/kustomize/commands/commands.go

124 lines
3.1 KiB
Go

/*
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),
newCmdInit(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 manifest file",
Long: "",
Example: `
# Adds a configmap to the manifest
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 manifest.",
Long: "",
Example: `
# Adds a configmap to the manifest
kustomize edit add configmap NAME --from-literal=k=v
# Adds a secret to the manifest
kustomize edit add secret NAME --from-literal=k=v
# Adds a resource to the manifest
kustomize edit add resource <filepath>
`,
Args: cobra.MinimumNArgs(1),
}
c.AddCommand(
newCmdAddResource(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 manifest.",
Long: "",
Example: `
# Sets the nameprefix field
kustomize edit set nameprefix <prefix-value>
`,
Args: cobra.MinimumNArgs(1),
}
c.AddCommand(
newCmdSetNamePrefix(stdOut, stdErr, fsys),
)
return c
}