mirror of
https://github.com/wahyd4/cert-manager.git
synced 2026-08-11 06:06:26 +10:00
128 lines
3.2 KiB
Go
128 lines
3.2 KiB
Go
/*
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Copyright 2019 The Jetstack cert-manager contributors.
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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 chart
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import (
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"context"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"cloud.google.com/go/storage"
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flag "github.com/spf13/pflag"
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"github.com/jetstack/cert-manager/hack/release/pkg/flags"
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"github.com/jetstack/cert-manager/hack/release/pkg/helm"
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logf "github.com/jetstack/cert-manager/hack/release/pkg/log"
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)
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var (
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Default = &Plugin{}
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log = logf.Log.WithName("chart")
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)
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type Plugin struct {
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// chart.output-dir
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OutputDir string
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// Name of the GCS bucket to upload charts to
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Bucket string
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gcsClient *storage.Client
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outputFile string
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}
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func (g *Plugin) AddFlags(fs *flag.FlagSet) {
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fs.StringVar(&g.OutputDir, "chart.output-dir", "", "optional output directory to specify where to build the helm chart gz file")
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fs.StringVar(&g.Bucket, "chart.bucket", "jetstack-chart-museum", "google cloud storage bucket to publish helm charts to")
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}
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func (g *Plugin) Validate() []error {
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var errs []error
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return errs
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}
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func (g *Plugin) InitPublish() []error {
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if g.Bucket == "" {
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return []error{fmt.Errorf("chart.bucket must be specified")}
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}
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ctx := context.Background()
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// Creates a client.
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client, err := storage.NewClient(ctx)
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if err != nil {
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return []error{fmt.Errorf("failed to create client: %v", err)}
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}
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g.gcsClient = client
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return nil
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}
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func (g *Plugin) Build(ctx context.Context) error {
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if err := helm.Default.InitE(ctx, true); err != nil {
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return err
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}
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// TODO: the AppVersion *must* be semver compatible else this call will fail.
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outputFile, err := helm.Default.PackageE(ctx, flags.Default.ChartPath, g.OutputDir,
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"--version="+flags.Default.AppVersion,
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"--app-version="+flags.Default.AppVersion,
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)
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if err != nil {
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return err
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}
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log.Info("wrote output package", "filename", outputFile)
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g.outputFile = outputFile
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return nil
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}
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func (g *Plugin) Publish(ctx context.Context) error {
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log.Info("running publish for chart plugin")
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// Creates a Bucket instance.
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bucket := g.gcsClient.Bucket(g.Bucket)
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log.Info("publishing to bucket", "bucket", g.Bucket)
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filename := filepath.Base(g.outputFile)
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w := bucket.Object(filename).NewWriter(ctx)
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log.Info("writing output file to GCS", "name", filename)
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defer w.Close()
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in, err := os.Open(g.outputFile)
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if err != nil {
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return fmt.Errorf("error opening output file: %v", err)
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}
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if _, err := io.Copy(w, in); err != nil {
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return fmt.Errorf("error writing file: %v", err)
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}
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if err := w.Close(); err != nil {
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return fmt.Errorf("error closing file: %v", err)
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}
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log.Info("published chart to bucket", "bucket", g.Bucket, "path", bucket.Object(filename).ObjectName())
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return nil
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}
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func (g *Plugin) Complete() error {
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return nil
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}
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