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