fe992ae53f
* Replace the helm command line with helm action * fix log misspelling * helm wrapper formate log msg * fix: helm action faild in multi cluster
115 lines
3.1 KiB
Go
115 lines
3.1 KiB
Go
// Copyright 2022 The KubeSphere Authors.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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 helmwrapper
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import (
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"bytes"
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"encoding/json"
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"sync"
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"sigs.k8s.io/kustomize/api/filesys"
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"sigs.k8s.io/kustomize/api/krusty"
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"sigs.k8s.io/kustomize/api/resmap"
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"sigs.k8s.io/kustomize/api/types"
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kustypes "sigs.k8s.io/kustomize/api/types"
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)
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type postRendererKustomize struct {
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labels map[string]string
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annotations map[string]string
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}
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func newPostRendererKustomize(labels, annotations map[string]string) *postRendererKustomize {
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return &postRendererKustomize{
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labels,
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annotations,
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}
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}
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func writeToFile(fs filesys.FileSystem, path string, content []byte) error {
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helmOutput, err := fs.Create(path)
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if err != nil {
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return err
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}
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helmOutput.Write(content)
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if err := helmOutput.Close(); err != nil {
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return err
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}
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return nil
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}
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func writeFile(fs filesys.FileSystem, path string, content *bytes.Buffer) error {
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helmOutput, err := fs.Create(path)
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if err != nil {
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return err
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}
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content.WriteTo(helmOutput)
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if err := helmOutput.Close(); err != nil {
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return err
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}
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return nil
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}
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func (k *postRendererKustomize) Run(renderedManifests *bytes.Buffer) (modifiedManifests *bytes.Buffer, err error) {
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fs := filesys.MakeFsInMemory()
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input := "./.local-helm-output.yaml"
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cfg := types.Kustomization{
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Resources: []string{input},
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CommonAnnotations: k.annotations, // add extra annotations to output
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Labels: []types.Label{{Pairs: k.labels}}, // Labels to add to all objects but not selectors.
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}
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cfg.APIVersion = kustypes.KustomizationVersion
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cfg.Kind = kustypes.KustomizationKind
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if err := writeFile(fs, input, renderedManifests); err != nil {
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return nil, err
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}
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// Write kustomization config to file.
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kustomization, err := json.Marshal(cfg)
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if err != nil {
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return nil, err
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}
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if err := writeToFile(fs, "kustomization.yaml", kustomization); err != nil {
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return nil, err
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}
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resMap, err := buildKustomization(fs, ".")
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if err != nil {
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return nil, err
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}
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yaml, err := resMap.AsYaml()
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if err != nil {
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return nil, err
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}
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return bytes.NewBuffer(yaml), nil
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}
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var kustomizeRenderMutex sync.Mutex
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func buildKustomization(fs filesys.FileSystem, dirPath string) (resmap.ResMap, error) {
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kustomizeRenderMutex.Lock()
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defer kustomizeRenderMutex.Unlock()
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buildOptions := &krusty.Options{
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DoLegacyResourceSort: true,
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LoadRestrictions: kustypes.LoadRestrictionsNone,
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AddManagedbyLabel: false,
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DoPrune: false,
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PluginConfig: kustypes.DisabledPluginConfig(),
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}
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k := krusty.MakeKustomizer(buildOptions)
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return k.Run(fs, dirPath)
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}
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