// Copy blocks from src to dst; only those that are missing in dst are copied
func copyBlocksToDst(toBeCopied []string, kcSrc, kcDst *keepclient.KeepClient, blobSigningKey string) error {
total := len(toBeCopied)
startedAt := time.Now()
for done, locator := range toBeCopied {
if done == 0 {
log.Printf("Copying data block %d of %d (%.2f%% done): %v", done+1, total,
float64(done)/float64(total)*100, locator)
} else {
timePerBlock := time.Since(startedAt) / time.Duration(done)
log.Printf("Copying data block %d of %d (%.2f%% done, %v est. time remaining): %v", done+1, total,
float64(done)/float64(total)*100, timePerBlock*time.Duration(total-done), locator)
}
getLocator := locator
expiresAt := time.Now().AddDate(0, 0, 1)
if blobSigningKey != "" {
getLocator = keepclient.SignLocator(getLocator, kcSrc.Arvados.ApiToken, expiresAt, []byte(blobSigningKey))
}
reader, len, _, err := kcSrc.Get(getLocator)
if err != nil {
return fmt.Errorf("Error getting block: %v %v", locator, err)
}
_, _, err = kcDst.PutHR(getLocator[:32], reader, len)
if err != nil {
return fmt.Errorf("Error copying data block: %v %v", locator, err)
}
}
log.Printf("Successfully copied to destination %d blocks.", total)
return nil
}
