加固备份恢复本地基线（07-26-internal-ops-recovery-baseline）

scripts/backup-storage.sh

@@ -9,6 +9,11 @@ mkdir -p "$BACKUP_DIR"
 TS="$(date +%Y%m%d_%H%M%S)"
 OUT_FILE="${OUT_FILE:-$BACKUP_DIR/hyb-oa-storage-${TS}.tar.gz}"
 
+if [[ -e "$OUT_FILE" ]]; then
+  echo "[ERR] backup output already exists: $OUT_FILE" >&2
+  exit 1
+fi
+
 STORAGE_DIR_HOST="${STORAGE_DIR_HOST:-}"
 if [[ -z "$STORAGE_DIR_HOST" ]]; then
   if [[ -n "${STORAGE_DIR:-}" && -d "${STORAGE_DIR:-}" ]]; then
@@ -21,10 +26,25 @@ if [[ -z "$STORAGE_DIR_HOST" ]]; then
   fi
 fi
 
+if [[ ! -d "$STORAGE_DIR_HOST" ]]; then
+  echo "[ERR] storage dir not found: $STORAGE_DIR_HOST" >&2
+  exit 1
+fi
+
+mkdir -p "$(dirname "$OUT_FILE")"
+
 echo "[INFO] Storage backup start: $OUT_FILE"
 echo "[INFO] Storage dir: $STORAGE_DIR_HOST"
 
-tar -czf "$OUT_FILE" -C "$STORAGE_DIR_HOST" .
+if ! tar -czf "$OUT_FILE" -C "$STORAGE_DIR_HOST" .; then
+  rm -f -- "$OUT_FILE"
+  echo "[ERR] storage backup failed" >&2
+  exit 1
+fi
+
+if [[ ! -s "$OUT_FILE" ]]; then
+  echo "[ERR] storage backup is empty: $OUT_FILE" >&2
+  exit 1
+fi
 
 echo "[OK] Storage backup done: $OUT_FILE"
-