fix: set ID variable for backups

common-functions

@@ -111,6 +111,7 @@ service_backup() {
   local BACKUP_ENCRYPTION_CONFIG_ROOT="$PLUGIN_DATA_ROOT/$SERVICE/backup-encryption"
   local AWS_ACCESS_KEY_ID_FILE="$SERVICE_BACKUP_ROOT/AWS_ACCESS_KEY_ID"
   local AWS_SECRET_ACCESS_KEY_FILE="$SERVICE_BACKUP_ROOT/AWS_SECRET_ACCESS_KEY"
+  local ID="$(cat "$SERVICE_ROOT/ID")"
   local BACKUP_PARAMETERS=""
 
   if [[ -z "$USE_IAM_OPTIONAL_FLAG" ]]; then