rbd: check for clusterid mapping in RegenerateJournal()

This commit adds fetchMappedClusterIDAndMons() which returns
monitors and clusterID info after checking cluster mapping info.
This is required for regenerating omap entries in mirrored cluster
with different clusterID.

Signed-off-by: Rakshith R <rar@redhat.com>

internal/rbd/rbd_journal.go

@@ -523,6 +523,7 @@ func undoVolReservation(ctx context.Context, rbdVol *rbdVolume, cr *util.Credent
 // complete omap mapping between imageName and volumeID.
 
 // RegenerateJournal performs below operations
+// Extract clusterID, Mons after checkig clusterID mapping
 // Extract parameters journalPool, pool from volumeAttributes
 // Extract optional parameters volumeNamePrefix, kmsID, owner from volumeAttributes
 // Extract information from volumeID
@@ -538,15 +539,13 @@ func RegenerateJournal(
 	cr *util.Credentials) (string, error) {
 	ctx := context.Background()
 	var (
-		options map[string]string
-		vi      util.CSIIdentifier
-		rbdVol  *rbdVolume
-		kmsID   string
-		err     error
-		ok      bool
+		vi     util.CSIIdentifier
+		rbdVol *rbdVolume
+		kmsID  string
+		err    error
+		ok     bool
 	)
 
-	options = make(map[string]string)
 	rbdVol = &rbdVolume{}
 	rbdVol.VolID = volumeID
 
@@ -561,14 +560,8 @@ func RegenerateJournal(
 		return "", err
 	}
 
-	// TODO check clusterID mapping exists
-	rbdVol.ClusterID = vi.ClusterID
-	options["clusterID"] = rbdVol.ClusterID
-
-	rbdVol.Monitors, _, err = util.GetMonsAndClusterID(options)
+	rbdVol.Monitors, rbdVol.ClusterID, err = util.FetchMappedClusterIDAndMons(ctx, vi.ClusterID)
 	if err != nil {
-		log.ErrorLog(ctx, "failed getting mons (%s)", err)
-
 		return "", err
 	}