Gestione backup falliti e cleanup

mariadb-backup/mariadb-backup-logic-per-database.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
-# Backup logico per-database con retry, sicuro per cluster Galera
+# Backup logico per-database con retry e cleanup automatico
+# Sicuro per cluster Galera ad alto carico
 # Autore: Marco + Copilot
-# Obiettivo: dump affidabile anche su nodi molto attivi
 
 set -euo pipefail
 
@@ -134,11 +134,15 @@ chmod 600 "$LOGFILE"
   echo "[$(date '+%F %T')] [$SERVER_NAME] SIZE apparent: $size_apparent_human ($size_apparent_bytes bytes) for $TARGET" >> "$LOGFILE"
   echo "[$(date '+%F %T')] [$SERVER_NAME] SIZE on-disk: $size_disk_human ($size_disk_bytes bytes) for $TARGET" >> "$LOGFILE"
 
-  # Risultato finale
+  # Risultato finale con cleanup in caso di fallimento
   if [ "$FAILED" -eq 0 ]; then
     echo "[$(date '+%F %T')] [$SERVER_NAME] RESULT: OK, all databases dumped successfully" >> "$LOGFILE"
   else
-    echo "[$(date '+%F %T')] [$SERVER_NAME] RESULT: PARTIAL, failed databases:$FAILED_DBS" >> "$LOGFILE"
+    echo "[$(date '+%F %T')] [$SERVER_NAME] RESULT: FAILED, databases with errors:$FAILED_DBS" >> "$LOGFILE"
+    echo "[$(date '+%F %T')] [$SERVER_NAME] CLEANUP: removing incomplete backup directory $TARGET" >> "$LOGFILE"
+    rm -rf "$TARGET"
+    rm -f "$TMPLOG"
+    exit 1
   fi
 
   rm -f "$TMPLOG"