mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-05-18 03:05:28 +00:00
105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package commands
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import (
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"errors"
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"fmt"
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"path"
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"strings"
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"github.com/ghodss/yaml"
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"github.com/kubernetes-sigs/kustomize/pkg/constants"
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interror "github.com/kubernetes-sigs/kustomize/pkg/internal/error"
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"github.com/kubernetes-sigs/kustomize/pkg/types"
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"github.com/kubernetes-sigs/kustomize/pkg/util/fs"
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)
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type kustomizationFile struct {
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path string
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fsys fs.FileSystem
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}
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func newKustomizationFile(mPath string, fsys fs.FileSystem) (*kustomizationFile, error) {
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mf := &kustomizationFile{path: mPath, fsys: fsys}
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err := mf.validate()
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if err != nil {
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return nil, err
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}
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return mf, nil
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}
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func (mf *kustomizationFile) validate() error {
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f, err := mf.fsys.Stat(mf.path)
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if err != nil {
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errorMsg := fmt.Sprintf("Missing kustomization file '%s'.\n", mf.path)
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merr := interror.KustomizationError{KustomizationPath: mf.path, ErrorMsg: errorMsg}
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return merr
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}
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if f.IsDir() {
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mf.path = path.Join(mf.path, constants.KustomizationFileName)
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_, err = mf.fsys.Stat(mf.path)
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if err != nil {
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errorMsg := fmt.Sprintf("Missing kustomization file '%s'.\n", mf.path)
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merr := interror.KustomizationError{KustomizationPath: mf.path, ErrorMsg: errorMsg}
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return merr
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}
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} else {
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if !strings.HasSuffix(mf.path, constants.KustomizationFileName) {
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errorMsg := fmt.Sprintf("Kustomization file path (%s) should have %s suffix\n", mf.path, constants.KustomizationFileSuffix)
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merr := interror.KustomizationError{KustomizationPath: mf.path, ErrorMsg: errorMsg}
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return merr
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}
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}
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return nil
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}
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func (mf *kustomizationFile) read() (*types.Kustomization, error) {
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bytes, err := mf.fsys.ReadFile(mf.path)
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if err != nil {
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return nil, err
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}
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var kustomization types.Kustomization
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err = yaml.Unmarshal(bytes, &kustomization)
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if err != nil {
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return nil, err
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}
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return &kustomization, err
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}
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func (mf *kustomizationFile) write(kustomization *types.Kustomization) error {
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if kustomization == nil {
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return errors.New("util: kustomization file arg is nil.")
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}
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bytes, err := yaml.Marshal(kustomization)
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if err != nil {
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return err
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}
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return mf.fsys.WriteFile(mf.path, bytes)
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}
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func stringInSlice(str string, list []string) bool {
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for _, v := range list {
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if v == str {
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return true
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}
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}
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return false
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}
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