Files
kustomize/cmd/config/internal/commands/cmdcreatesubstitution.go
2020-10-19 12:26:15 -07:00

98 lines
3.0 KiB
Go

// 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/runner"
"sigs.k8s.io/kustomize/kyaml/setters2/settersutil"
)
// NewCreateSubstitutionRunner returns a command runner.
func NewCreateSubstitutionRunner(parent string) *CreateSubstitutionRunner {
r := &CreateSubstitutionRunner{}
cs := &cobra.Command{
Use: "create-subst DIR NAME",
Args: cobra.ExactArgs(2),
PreRun: r.preRun,
RunE: r.runE,
}
cs.Flags().StringVar(&r.CreateSubstitution.FieldName, "field", "",
"name of the field to set -- e.g. --field image")
cs.Flags().StringVar(&r.CreateSubstitution.FieldValue, "field-value", "",
"value of the field to create substitution for -- e.g. --field-value nginx:0.1.0")
cs.Flags().StringVar(&r.CreateSubstitution.Pattern, "pattern", "",
`substitution pattern -- e.g. --pattern \${my-image-setter}:\${my-tag-setter}`)
cs.Flags().BoolVarP(&r.CreateSubstitution.RecurseSubPackages, "recurse-subpackages", "R", false,
"creates substitution recursively in all the nested subpackages")
_ = cs.MarkFlagRequired("pattern")
_ = cs.MarkFlagRequired("field-value")
runner.FixDocs(parent, cs)
r.Command = cs
return r
}
func CreateSubstitutionCommand(parent string) *cobra.Command {
return NewCreateSubstitutionRunner(parent).Command
}
type CreateSubstitutionRunner struct {
Command *cobra.Command
CreateSubstitution settersutil.SubstitutionCreator
OpenAPIFile string
Values []string
}
func (r *CreateSubstitutionRunner) runE(c *cobra.Command, args []string) error {
e := runner.ExecuteCmdOnPkgs{
NeedOpenAPI: true,
Writer: c.OutOrStdout(),
RootPkgPath: args[0],
RecurseSubPackages: r.CreateSubstitution.RecurseSubPackages,
CmdRunner: r,
}
err := e.Execute()
if err != nil {
return runner.HandleError(c, err)
}
return nil
}
func (r *CreateSubstitutionRunner) ExecuteCmd(w io.Writer, pkgPath string) error {
r.CreateSubstitution = settersutil.SubstitutionCreator{
Name: r.CreateSubstitution.Name,
FieldName: r.CreateSubstitution.FieldName,
FieldValue: r.CreateSubstitution.FieldValue,
RecurseSubPackages: r.CreateSubstitution.RecurseSubPackages,
Pattern: r.CreateSubstitution.Pattern,
OpenAPIFileName: ext.KRMFileName(),
OpenAPIPath: filepath.Join(pkgPath, ext.KRMFileName()),
ResourcesPath: pkgPath,
}
err := r.CreateSubstitution.Create()
if err != nil {
// return err if RecurseSubPackages is false
if !r.CreateSubstitution.RecurseSubPackages {
return err
} else {
// print error message and continue if RecurseSubPackages is true
fmt.Fprintf(w, "%s\n", err.Error())
}
} else {
fmt.Fprintf(w, "created substitution %q\n", r.CreateSubstitution.Name)
}
return nil
}
func (r *CreateSubstitutionRunner) preRun(c *cobra.Command, args []string) {
r.CreateSubstitution.Name = args[1]
}