forked from TrueCloudLab/distribution
84 lines
2.2 KiB
Go
84 lines
2.2 KiB
Go
package registry
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import (
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"fmt"
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"os"
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"github.com/docker/distribution/context"
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"github.com/docker/distribution/registry/storage"
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"github.com/docker/distribution/registry/storage/driver/factory"
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"github.com/docker/distribution/version"
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"github.com/docker/libtrust"
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"github.com/spf13/cobra"
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)
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var showVersion bool
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func init() {
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RootCmd.AddCommand(ServeCmd)
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RootCmd.AddCommand(GCCmd)
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GCCmd.Flags().BoolVarP(&dryRun, "dry-run", "d", false, "do everything except remove the blobs")
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RootCmd.Flags().BoolVarP(&showVersion, "version", "v", false, "show the version and exit")
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}
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// RootCmd is the main command for the 'registry' binary.
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var RootCmd = &cobra.Command{
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Use: "registry",
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Short: "`registry`",
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Long: "`registry`",
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Run: func(cmd *cobra.Command, args []string) {
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if showVersion {
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version.PrintVersion()
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return
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}
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cmd.Usage()
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},
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}
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var dryRun bool
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// GCCmd is the cobra command that corresponds to the garbage-collect subcommand
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var GCCmd = &cobra.Command{
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Use: "garbage-collect <config>",
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Short: "`garbage-collect` deletes layers not referenced by any manifests",
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Long: "`garbage-collect` deletes layers not referenced by any manifests",
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Run: func(cmd *cobra.Command, args []string) {
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config, err := resolveConfiguration(args)
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if err != nil {
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fmt.Fprintf(os.Stderr, "configuration error: %v\n", err)
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cmd.Usage()
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os.Exit(1)
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}
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driver, err := factory.Create(config.Storage.Type(), config.Storage.Parameters())
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if err != nil {
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fmt.Fprintf(os.Stderr, "failed to construct %s driver: %v", config.Storage.Type(), err)
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os.Exit(1)
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}
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ctx := context.Background()
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ctx, err = configureLogging(ctx, config)
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if err != nil {
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fmt.Fprintf(os.Stderr, "unable to configure logging with config: %s", err)
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os.Exit(1)
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}
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k, err := libtrust.GenerateECP256PrivateKey()
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if err != nil {
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fmt.Fprint(os.Stderr, err)
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os.Exit(1)
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}
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registry, err := storage.NewRegistry(ctx, driver, storage.Schema1SigningKey(k))
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if err != nil {
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fmt.Fprintf(os.Stderr, "failed to construct registry: %v", err)
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os.Exit(1)
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}
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err = storage.MarkAndSweep(ctx, driver, registry, dryRun)
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if err != nil {
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fmt.Fprintf(os.Stderr, "failed to garbage collect: %v", err)
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os.Exit(1)
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}
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},
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}
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