From 190c9c669a0ece8808921edc92decd295f0df331 Mon Sep 17 00:00:00 2001
From: reshke <reshke@double.cloud>
Date: Wed, 2 Oct 2024 22:21:48 +0000
Subject: [PATCH] Implement move object for s3 storage and other fixups

---
 pkg/proc/delete_handler.go |  6 +++---
 pkg/proc/interaction.go    | 14 +++++++++++++-
 pkg/storage/s3storage.go   | 39 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 55 insertions(+), 4 deletions(-)

diff --git a/pkg/proc/delete_handler.go b/pkg/proc/delete_handler.go
index cb0174e..312f7ca 100644
--- a/pkg/proc/delete_handler.go
+++ b/pkg/proc/delete_handler.go
@@ -90,8 +90,8 @@ func (dh *BasicDeleteHandler) ListGarbageFiles(msg message.DeleteMessage) ([]str
 		return nil, errors.Wrap(err, "could not get virtual and expire indexes")
 	}
 	ylogger.Zero.Info().Msg("recieved virtual index and expire index")
-	ylogger.Zero.Debug().Int("virtual", len(vi)).Msg("vi count")
-	ylogger.Zero.Debug().Int("expire", len(ei)).Msg("ei count")
+	ylogger.Zero.Debug().Int("virtual", len(vi)).Msg("virtual index match count")
+	ylogger.Zero.Debug().Int("expire", len(ei)).Msg("exprire index match count")
 
 	filesToDelete := make([]string, 0)
 	for i := 0; i < len(objectMetas); i++ {
@@ -102,7 +102,7 @@ func (dh *BasicDeleteHandler) ListGarbageFiles(msg message.DeleteMessage) ([]str
 			ylogger.Zero.Debug().Str("file", objectMetas[i].Path).
 				Bool("file in expire index", ok).
 				Bool("lsn is less than in first backup", lsn < firstBackupLSN).
-				Msg("file will be deleted")
+				Msg("file does not persisnt in virtual index, not needed for PITR, so will be deleted")
 			filesToDelete = append(filesToDelete, objectMetas[i].Path)
 		}
 	}
diff --git a/pkg/proc/interaction.go b/pkg/proc/interaction.go
index ee9c5de..05d6164 100644
--- a/pkg/proc/interaction.go
+++ b/pkg/proc/interaction.go
@@ -398,7 +398,19 @@ func ProcConn(s storage.StorageInteractor, cr crypt.Crypter, ycl client.YproxyCl
 			BackupInterractor:  backupHandler,
 		}
 
-		ylogger.Zero.Debug().Str("Name", msg.Name).Bool("garb", msg.Garbage).Bool("confirm", msg.Confirm).Msg("requested to remove external chunk")
+		if msg.Garbage {
+			ylogger.Zero.Debug().
+				Str("Name", msg.Name).
+				Uint64("port", msg.Port).
+				Uint64("segment", msg.Segnum).
+				Bool("confirm", msg.Confirm).Msg("requested to perform external storage VACUUM")
+		} else {
+			ylogger.Zero.Debug().
+				Str("Name", msg.Name).
+				Uint64("port", msg.Port).
+				Uint64("segment", msg.Segnum).
+				Bool("confirm", msg.Confirm).Msg("requested to remove external chunk")
+		}
 
 		if msg.Garbage {
 			err = dh.HandleDeleteGarbage(msg)
diff --git a/pkg/storage/s3storage.go b/pkg/storage/s3storage.go
index 5ab15cf..f1d4bd0 100644
--- a/pkg/storage/s3storage.go
+++ b/pkg/storage/s3storage.go
@@ -184,3 +184,42 @@ func (s *S3StorageInteractor) DeleteObject(key string) error {
 	ylogger.Zero.Debug().Str("path", key).Msg("deleted object")
 	return nil
 }
+
+func (s *S3StorageInteractor) SScopyObject(from string, to string) error {
+	sess, err := s.pool.GetSession(context.TODO())
+	if err != nil {
+		ylogger.Zero.Err(err).Msg("failed to acquire s3 session")
+		return err
+	}
+	ylogger.Zero.Debug().Msg("aquired session for server-side copy")
+
+	if !strings.HasPrefix(from, s.cnf.StoragePrefix) {
+		from = path.Join(s.cnf.StoragePrefix, from)
+	}
+
+	if !strings.HasPrefix(to, s.cnf.StoragePrefix) {
+		to = path.Join(s.cnf.StoragePrefix, to)
+	}
+
+	inp := s3.CopyObjectInput{
+		Bucket:     &s.cnf.StorageBucket,
+		CopySource: aws.String(path.Join(s.cnf.StorageBucket, from)),
+		Key:        aws.String(to),
+	}
+
+	_, err = sess.CopyObject(&inp)
+	if err != nil {
+		ylogger.Zero.Err(err).Msg("failed to copy object")
+		return err
+	}
+	ylogger.Zero.Debug().Str("path-from", from).Str("path-to", to).Msg("copied object")
+
+	return nil
+}
+
+func (s *S3StorageInteractor) MoveObject(from string, to string) error {
+	if err := s.SScopyObject(from, to); err != nil {
+		return err
+	}
+	return s.DeleteObject(from)
+}