package main import ( "errors" "time" "git.curoverse.com/arvados.git/sdk/go/arvados" log "github.com/Sirupsen/logrus" ) // RunTrashWorker is used by Keepstore to initiate trash worker channel goroutine. // The channel will process trash list. // For each (next) trash request: // Delete the block indicated by the trash request Locator // Repeat // func RunTrashWorker(trashq *WorkQueue) { for item := range trashq.NextItem { trashRequest := item.(TrashRequest) TrashItem(trashRequest) trashq.DoneItem <- struct{}{} } } // TrashItem deletes the indicated block from every writable volume. func TrashItem(trashRequest TrashRequest) { reqMtime := time.Unix(0, trashRequest.BlockMtime) if time.Since(reqMtime) < theConfig.BlobSignatureTTL.Duration() { log.Printf("WARNING: data manager asked to delete a %v old block %v (BlockMtime %d = %v), but my blobSignatureTTL is %v! Skipping.", arvados.Duration(time.Since(reqMtime)), trashRequest.Locator, trashRequest.BlockMtime, reqMtime, theConfig.BlobSignatureTTL) return } for _, volume := range KeepVM.AllWritable() { mtime, err := volume.Mtime(trashRequest.Locator) if err != nil { log.Printf("%v Delete(%v): %v", volume, trashRequest.Locator, err) continue } if trashRequest.BlockMtime != mtime.UnixNano() { log.Printf("%v Delete(%v): stored mtime %v does not match trash list value %v", volume, trashRequest.Locator, mtime.UnixNano(), trashRequest.BlockMtime) continue } if !theConfig.EnableDelete { err = errors.New("did not delete block because EnableDelete is false") } else { err = volume.Trash(trashRequest.Locator) } if err != nil { log.Printf("%v Delete(%v): %v", volume, trashRequest.Locator, err) } else { log.Printf("%v Delete(%v) OK", volume, trashRequest.Locator) } } }