update backup, add systemdb backup

backup/backup.conf

@@ -11,6 +11,9 @@ HDBSQL_PATH="/usr/sap/hdbclient/hdbsql"
 # This key should be configured to connect to the target tenant database.
 USER_KEY="CRONKEY"
 
+# hdbuserstore key for the SYSTEMDB user
+SYSTEMDB_USER_KEY="SYSTEMDB_KEY"
+
 # --- Backup Settings ---
 
 # The base directory where all backup files and directories will be stored.
@@ -25,6 +28,9 @@ BACKUP_BASE_DIR="/hana/backups/automated"
 #   'all'    - Performs both the schema export and the tenant backup.
 BACKUP_TYPE="all"
 
+# Set to 'true' to also perform a backup of the SYSTEMDB
+BACKUP_SYSTEMDB=true
+
 # Schema can be compressed after exporting, decreasing it's size.
 COMPRESS_SCHEMA=true