fix: P0 — add User-Agent + retry to bash urllib, retry to service_spec_gen, empty-list guard

devops/01_generate_yamls.sh

@@ -139,6 +139,14 @@ fi
 
 rm -f "$FAILURES_FILE"
 
+# Проверка что список сервисов не пустой
+svc_count=$(grep -cv '^\s*$\|^\s*#' "$SERVICES_FILE" || true)
+if [[ "$svc_count" -eq 0 ]]; then
+  echo "Error: services list is empty or all commented out: $SERVICES_FILE" >&2
+  exit 2
+fi
+echo "Generating YAML for ${svc_count} services from ${SERVICES_FILE}"
+
 # Читаем список сервисов, пропуская пустые строки и комментарии.
 while IFS= read -r line; do
   line="${line//$'\r'/}"
@@ -164,28 +172,41 @@ while IFS= read -r line; do
   # Если имя не указано в списке — подтягиваем по API.
   if [[ -z "$svc_name" ]]; then
     svc_name=$(python3 - <<PY
-import json
-import urllib.parse
-import urllib.request
+import json, sys, time, urllib.parse, urllib.request
 
 sid = "${sid}"
 endpoint = "${API_ENDPOINT}"
 token = "${NUBES_API_TOKEN}"
+max_retries = 3
 
 params = urllib.parse.urlencode({"endpoint": f"/services/{sid}"})
 url = f"{endpoint}?{params}"
-req = urllib.request.Request(url)
-if token:
-    req.add_header("Authorization", f"Bearer {token}")
 
-with urllib.request.urlopen(req) as resp:
-    data = json.loads(resp.read().decode("utf-8"))
-
-svc = data.get("svc", {})
-name = svc.get("svcShort") or svc.get("name") or svc.get("title") or f"service_{sid}"
-print(name)
+for attempt in range(1, max_retries + 1):
+    try:
+        req = urllib.request.Request(url)
+        if token:
+            req.add_header("Authorization", f"Bearer {token}")
+        req.add_header("User-Agent", "Mozilla/5.0 (compatible; Terraform-Provider-Nubes/BashGenerator)")
+        with urllib.request.urlopen(req, timeout=30) as resp:
+            data = json.loads(resp.read().decode("utf-8"))
+        svc = data.get("svc", {})
+        name = svc.get("svcShort") or svc.get("name") or svc.get("title") or f"service_{sid}"
+        print(name)
+        sys.exit(0)
+    except Exception as e:
+        if attempt < max_retries:
+            time.sleep(2 * attempt)
+        else:
+            print(f"ERROR: failed to fetch service {sid} after {max_retries} attempts: {e}", file=sys.stderr)
+            sys.exit(1)
 PY
 )
+    if [[ "$svc_name" == ERROR:* ]]; then
+      echo "$svc_name" >&2
+      echo "${sid} api_error" >> "$FAILURES_FILE"
+      continue
+    fi
   fi
 
   # Один YAML на сервис формируется Go-генератором.