Files
kopia/cli/command_blob_gc.go
Jarek Kowalski 6a14ac8a2a cli: ensure advanced commands are not accidentally used (#611)
* cli: ensure advanced commands are not accidentally used

This prints an error when a dangerous command is used without
first setting KOPIA_ADVANCED_COMMANDS=enabled environment variable.

Co-authored-by: Julio López <julio+gh@kasten.io>
2020-09-12 20:31:25 -07:00

44 lines
1.4 KiB
Go

package cli
import (
"context"
"github.com/kopia/kopia/repo"
"github.com/kopia/kopia/repo/blob"
"github.com/kopia/kopia/repo/maintenance"
)
var (
blobGarbageCollectCommand = blobCommands.Command("gc", "Garbage-collect unused blobs")
blobGarbageCollectCommandDelete = blobGarbageCollectCommand.Flag("delete", "Whether to delete unused blobs").String()
blobGarbageCollectParallel = blobGarbageCollectCommand.Flag("parallel", "Number of parallel blob scans").Default("16").Int()
blobGarbageCollectMinAge = blobGarbageCollectCommand.Flag("min-age", "Garbage-collect blobs with minimum age").Default("24h").Duration()
blobGarbageCollectPrefix = blobGarbageCollectCommand.Flag("prefix", "Only GC blobs with given prefix").String()
)
func runBlobGarbageCollectCommand(ctx context.Context, rep *repo.DirectRepository) error {
advancedCommand()
opts := maintenance.DeleteUnreferencedBlobsOptions{
DryRun: *blobGarbageCollectCommandDelete != "yes",
MinAge: *blobGarbageCollectMinAge,
Parallel: *blobGarbageCollectParallel,
Prefix: blob.ID(*blobGarbageCollectPrefix),
}
n, err := maintenance.DeleteUnreferencedBlobs(ctx, rep, opts)
if err != nil {
return err
}
if opts.DryRun && n > 0 {
printStderr("Pass --delete=yes to delete.\n")
}
return err
}
func init() {
blobGarbageCollectCommand.Action(directRepositoryAction(runBlobGarbageCollectCommand))
}