mirror of https://github.com/grafana/grafana.git
117 lines
2.9 KiB
Go
117 lines
2.9 KiB
Go
package main
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import (
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"fmt"
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"log"
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"os/exec"
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"strings"
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"github.com/grafana/grafana/pkg/build/config"
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"github.com/grafana/grafana/pkg/build/docker"
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"github.com/grafana/grafana/pkg/build/gcloud"
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"github.com/urfave/cli/v2"
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)
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const (
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alpine = "alpine"
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ubuntu = "ubuntu"
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)
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func FetchImages(c *cli.Context) error {
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if c.NArg() > 0 {
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if err := cli.ShowSubcommandHelp(c); err != nil {
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return cli.NewExitError(err.Error(), 1)
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}
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return cli.NewExitError("", 1)
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}
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metadata, err := GenerateMetadata(c)
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if err != nil {
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return err
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}
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buildConfig, err := config.GetBuildConfig(metadata.ReleaseMode.Mode)
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if err != nil {
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return err
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}
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cfg := docker.Config{
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Archs: buildConfig.Docker.Architectures,
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Distribution: buildConfig.Docker.Distribution,
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Bucket: buildConfig.Docker.PrereleaseBucket,
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Edition: c.String("edition"),
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Tag: metadata.GrafanaVersion,
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}
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edition := fmt.Sprintf("-%s", cfg.Edition)
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err = gcloud.ActivateServiceAccount()
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if err != nil {
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return err
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}
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var basesStr []string
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for _, base := range cfg.Distribution {
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switch base {
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case alpine:
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basesStr = append(basesStr, "")
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case ubuntu:
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basesStr = append(basesStr, "-ubuntu")
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default:
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return fmt.Errorf("unrecognized base %q", base)
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}
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}
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err = downloadFromGCS(cfg, basesStr, edition)
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if err != nil {
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return err
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}
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err = loadImages(cfg, basesStr, edition)
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if 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 loadImages(cfg docker.Config, basesStr []string, edition string) error {
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log.Println("Loading fetched image files to local docker registry...")
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log.Printf("Number of images to be loaded: %d\n", len(basesStr)*len(cfg.Archs))
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for _, base := range basesStr {
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for _, arch := range cfg.Archs {
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imageFilename := fmt.Sprintf("grafana%s-%s%s-%s.img", edition, cfg.Tag, base, arch)
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log.Printf("image file name: %s\n", imageFilename)
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//nolint:gosec
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cmd := exec.Command("docker", "load", "-i", imageFilename)
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cmd.Dir = "."
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out, err := cmd.CombinedOutput()
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if err != nil {
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log.Printf("out: %s\n", out)
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return fmt.Errorf("error loading image: %q", err)
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}
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log.Printf("Successfully loaded %s!\n %s\n", fmt.Sprintf("grafana%s-%s%s-%s", edition, cfg.Tag, base, arch), out)
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}
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}
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log.Println("Images successfully loaded!")
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return nil
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}
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func downloadFromGCS(cfg docker.Config, basesStr []string, edition string) error {
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log.Printf("Downloading Docker images from GCS bucket: %s\n", cfg.Bucket)
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for _, base := range basesStr {
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for _, arch := range cfg.Archs {
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src := fmt.Sprintf("gs://%s/%s/grafana%s-%s%s-%s.img", cfg.Bucket, cfg.Tag, edition, cfg.Tag, base, arch)
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args := strings.Split(fmt.Sprintf("-m cp -r %s .", src), " ")
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//nolint:gosec
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cmd := exec.Command("gsutil", args...)
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out, err := cmd.CombinedOutput()
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if err != nil {
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return fmt.Errorf("failed to download: %w\n%s", err, out)
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}
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}
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}
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log.Printf("Successfully fetched image files from %s bucket!\n", cfg.Bucket)
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return nil
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}
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