forked from kubernetes-sigs/kustomize
/
cmdset.go
140 lines (124 loc) · 3.89 KB
/
cmdset.go
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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package commands
import (
"fmt"
"io"
"path/filepath"
"github.com/spf13/cobra"
"sigs.k8s.io/kustomize/cmd/config/ext"
"sigs.k8s.io/kustomize/cmd/config/internal/generateddocs/commands"
"sigs.k8s.io/kustomize/cmd/config/runner"
"sigs.k8s.io/kustomize/kyaml/errors"
"sigs.k8s.io/kustomize/kyaml/setters2/settersutil"
)
// NewSetRunner returns a command runner.
func NewSetRunner(parent string) *SetRunner {
r := &SetRunner{}
c := &cobra.Command{
Use: "set DIR NAME --values [VALUE]",
Args: cobra.MinimumNArgs(2),
Short: commands.SetShort,
Long: commands.SetLong,
Example: commands.SetExamples,
PreRunE: r.preRunE,
RunE: r.runE,
Deprecated: "setter commands will no longer be available in kustomize v5.\n" +
"See discussion in https://github.com/kubernetes-sigs/kustomize/issues/3953.",
}
runner.FixDocs(parent, c)
r.Command = c
c.Flags().StringArrayVar(&r.Values, "values", []string{},
"optional flag, the values of the setter to be set to")
c.Flags().StringVar(&r.SetBy, "set-by", "",
"annotate the field with who set it")
c.Flags().StringVar(&r.Description, "description", "",
"annotate the field with a description of its value")
c.Flags().StringVar(&setterVersion, "version", "",
"use this version of the setter format")
c.Flags().BoolVarP(&r.RecurseSubPackages, "recurse-subpackages", "R", false,
"sets recursively in all the nested subpackages")
c.Flags().MarkHidden("version")
return r
}
var setterVersion string
func SetCommand(parent string) *cobra.Command {
return NewSetRunner(parent).Command
}
type SetRunner struct {
Command *cobra.Command
Set settersutil.FieldSetter
OpenAPIFile string
Values []string
SetBy string
Description string
Name string
Value string
ListValues []string
RecurseSubPackages bool
}
func (r *SetRunner) preRunE(c *cobra.Command, args []string) error {
valueFlagSet := c.Flag("values").Changed
if valueFlagSet && len(args) > 2 {
return errors.Errorf("value should set either from flag or arg")
}
// make sure that the value is provided either through values flag or as an arg
if !valueFlagSet && len(args) < 3 {
return errors.Errorf("value must be provided either from flag or arg")
}
r.Name = args[1]
if valueFlagSet {
r.Value = r.Values[0]
} else {
r.Value = args[2]
}
// set remaining values as list values
if valueFlagSet && len(r.Values) > 1 {
r.ListValues = r.Values[1:]
} else if !valueFlagSet && len(args) > 3 {
r.ListValues = args[3:]
}
r.OpenAPIFile = filepath.Join(args[0], ext.KRMFileName())
return nil
}
func (r *SetRunner) runE(c *cobra.Command, args []string) error {
e := runner.ExecuteCmdOnPkgs{
NeedOpenAPI: true,
Writer: c.OutOrStdout(),
RootPkgPath: args[0],
RecurseSubPackages: r.RecurseSubPackages,
CmdRunner: r,
}
err := e.Execute()
if err != nil {
return runner.HandleError(c, err)
}
return nil
}
func (r *SetRunner) ExecuteCmd(w io.Writer, pkgPath string) error {
r.Set = settersutil.FieldSetter{
Name: r.Name,
Value: r.Value,
ListValues: r.ListValues,
Description: r.Description,
SetBy: r.SetBy,
Count: 0,
OpenAPIPath: filepath.Join(pkgPath, ext.KRMFileName()),
OpenAPIFileName: ext.KRMFileName(),
ResourcesPath: pkgPath,
RecurseSubPackages: r.RecurseSubPackages,
IsSet: true,
}
count, err := r.Set.Set()
if err != nil {
// return err if RecurseSubPackages is false
if !r.Set.RecurseSubPackages {
return err
}
// print error message and continue if RecurseSubPackages is true
fmt.Fprintf(w, "%s\n", err.Error())
} else {
fmt.Fprintf(w, "set %d field(s) of setter %q to value %q\n", count, r.Set.Name, r.Set.Value)
}
return nil
}