feat: tidb endpoint (#35158)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/migrations/versions/2026_04_14_1500-8574b23a38fd_add_qdrant_endpoint_to_tidb_auth_bindings.py

@@ -0,0 +1,26 @@
+"""add qdrant_endpoint to tidb_auth_bindings
+
+Revision ID: 8574b23a38fd
+Revises: 6b5f9f8b1a2c
+Create Date: 2026-04-14 15:00:00.000000
+
+"""
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "8574b23a38fd"
+down_revision = "6b5f9f8b1a2c"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    with op.batch_alter_table("tidb_auth_bindings", schema=None) as batch_op:
+        batch_op.add_column(sa.Column("qdrant_endpoint", sa.String(length=512), nullable=True))
+
+
+def downgrade():
+    with op.batch_alter_table("tidb_auth_bindings", schema=None) as batch_op:
+        batch_op.drop_column("qdrant_endpoint")

api/models/dataset.py

@@ -1305,6 +1305,7 @@ class TidbAuthBinding(TypeBase):
     )
     account: Mapped[str] = mapped_column(String(255), nullable=False)
     password: Mapped[str] = mapped_column(String(255), nullable=False)
+    qdrant_endpoint: Mapped[str | None] = mapped_column(String(512), nullable=True, default=None)
     created_at: Mapped[datetime] = mapped_column(
         DateTime, nullable=False, server_default=func.current_timestamp(), init=False
     )

api/providers/vdb/vdb-tidb-on-qdrant/src/dify_vdb_tidb_on_qdrant/tidb_on_qdrant_vector.py

@@ -1,4 +1,5 @@
 import json
+import logging
 import os
 import uuid
 from collections.abc import Generator, Iterable, Sequence
@@ -7,6 +8,8 @@ from typing import TYPE_CHECKING, Any
 
 import httpx
 import qdrant_client
+
+logger = logging.getLogger(__name__)
 from flask import current_app
 from httpx import DigestAuth
 from pydantic import BaseModel
@@ -421,13 +424,16 @@ class TidbOnQdrantVector(BaseVector):
 
 class TidbOnQdrantVectorFactory(AbstractVectorFactory):
     def init_vector(self, dataset: Dataset, attributes: list, embeddings: Embeddings) -> TidbOnQdrantVector:
+        logger.info("init_vector: tenant_id=%s, dataset_id=%s", dataset.tenant_id, dataset.id)
         stmt = select(TidbAuthBinding).where(TidbAuthBinding.tenant_id == dataset.tenant_id)
         tidb_auth_binding = db.session.scalars(stmt).one_or_none()
         if not tidb_auth_binding:
+            logger.info("No existing TidbAuthBinding for tenant %s, acquiring lock", dataset.tenant_id)
             with redis_client.lock("create_tidb_serverless_cluster_lock", timeout=900):
                 stmt = select(TidbAuthBinding).where(TidbAuthBinding.tenant_id == dataset.tenant_id)
                 tidb_auth_binding = db.session.scalars(stmt).one_or_none()
                 if tidb_auth_binding:
+                    logger.info("Found binding after lock: cluster_id=%s", tidb_auth_binding.cluster_id)
                     TIDB_ON_QDRANT_API_KEY = f"{tidb_auth_binding.account}:{tidb_auth_binding.password}"
 
                 else:
@@ -437,11 +443,18 @@ class TidbOnQdrantVectorFactory(AbstractVectorFactory):
                         .limit(1)
                     )
                     if idle_tidb_auth_binding:
+                        logger.info(
+                            "Assigning idle cluster %s to tenant %s",
+                            idle_tidb_auth_binding.cluster_id,
+                            dataset.tenant_id,
+                        )
                         idle_tidb_auth_binding.active = True
                         idle_tidb_auth_binding.tenant_id = dataset.tenant_id
                         db.session.commit()
+                        tidb_auth_binding = idle_tidb_auth_binding
                         TIDB_ON_QDRANT_API_KEY = f"{idle_tidb_auth_binding.account}:{idle_tidb_auth_binding.password}"
                     else:
+                        logger.info("No idle clusters available, creating new cluster for tenant %s", dataset.tenant_id)
                         new_cluster = TidbService.create_tidb_serverless_cluster(
                             dify_config.TIDB_PROJECT_ID or "",
                             dify_config.TIDB_API_URL or "",
@@ -450,21 +463,39 @@ class TidbOnQdrantVectorFactory(AbstractVectorFactory):
                             dify_config.TIDB_PRIVATE_KEY or "",
                             dify_config.TIDB_REGION or "",
                         )
+                        logger.info(
+                            "New cluster created: cluster_id=%s, qdrant_endpoint=%s",
+                            new_cluster["cluster_id"],
+                            new_cluster.get("qdrant_endpoint"),
+                        )
                         new_tidb_auth_binding = TidbAuthBinding(
                             cluster_id=new_cluster["cluster_id"],
                             cluster_name=new_cluster["cluster_name"],
                             account=new_cluster["account"],
                             password=new_cluster["password"],
+                            qdrant_endpoint=new_cluster.get("qdrant_endpoint"),
                             tenant_id=dataset.tenant_id,
                             active=True,
                             status=TidbAuthBindingStatus.ACTIVE,
                         )
                         db.session.add(new_tidb_auth_binding)
                         db.session.commit()
+                        tidb_auth_binding = new_tidb_auth_binding
                         TIDB_ON_QDRANT_API_KEY = f"{new_tidb_auth_binding.account}:{new_tidb_auth_binding.password}"
         else:
+            logger.info("Existing binding found: cluster_id=%s", tidb_auth_binding.cluster_id)
             TIDB_ON_QDRANT_API_KEY = f"{tidb_auth_binding.account}:{tidb_auth_binding.password}"
 
+        qdrant_url = (
+            (tidb_auth_binding.qdrant_endpoint if tidb_auth_binding else None) or dify_config.TIDB_ON_QDRANT_URL or ""
+        )
+        logger.info(
+            "Using qdrant endpoint: %s (from_binding=%s, fallback_global=%s)",
+            qdrant_url,
+            tidb_auth_binding.qdrant_endpoint if tidb_auth_binding else None,
+            dify_config.TIDB_ON_QDRANT_URL,
+        )
+
         if dataset.index_struct_dict:
             class_prefix: str = dataset.index_struct_dict["vector_store"]["class_prefix"]
             collection_name = class_prefix
@@ -479,7 +510,7 @@ class TidbOnQdrantVectorFactory(AbstractVectorFactory):
             collection_name=collection_name,
             group_id=dataset.id,
             config=TidbOnQdrantConfig(
-                endpoint=dify_config.TIDB_ON_QDRANT_URL or "",
+                endpoint=qdrant_url,
                 api_key=TIDB_ON_QDRANT_API_KEY,
                 root_path=str(config.root_path),
                 timeout=dify_config.TIDB_ON_QDRANT_CLIENT_TIMEOUT,

api/providers/vdb/vdb-tidb-on-qdrant/src/dify_vdb_tidb_on_qdrant/tidb_service.py

@@ -1,3 +1,4 @@
+import logging
 import time
 import uuid
 from collections.abc import Sequence
@@ -12,6 +13,8 @@ from extensions.ext_redis import redis_client
 from models.dataset import TidbAuthBinding
 from models.enums import TidbAuthBindingStatus
 
+logger = logging.getLogger(__name__)
+
 # Reuse a pooled HTTP client for all TiDB Cloud requests to minimize connection churn
 _tidb_http_client: httpx.Client = get_pooled_http_client(
     "tidb:cloud",
@@ -20,6 +23,46 @@ _tidb_http_client: httpx.Client = get_pooled_http_client(
 
 
 class TidbService:
+    @staticmethod
+    def extract_qdrant_endpoint(cluster_response: dict) -> str | None:
+        """Extract the qdrant endpoint URL from a Get Cluster API response.
+
+        Reads ``endpoints.public.host`` (e.g. ``gateway01.xx.tidbcloud.com``),
+        prepends ``qdrant-`` and wraps it as an ``https://`` URL.
+        """
+        endpoints = cluster_response.get("endpoints") or {}
+        public = endpoints.get("public") or {}
+        host = public.get("host")
+        if host:
+            return f"https://qdrant-{host}"
+        return None
+
+    @staticmethod
+    def fetch_qdrant_endpoint(api_url: str, public_key: str, private_key: str, cluster_id: str) -> str | None:
+        """Call Get Cluster API and extract the qdrant endpoint.
+
+        Use ``extract_qdrant_endpoint`` instead when you already have
+        the cluster response to avoid a redundant API call.
+        """
+        try:
+            logger.info("Fetching qdrant endpoint for cluster %s", cluster_id)
+            cluster_response = TidbService.get_tidb_serverless_cluster(api_url, public_key, private_key, cluster_id)
+            if not cluster_response:
+                logger.warning("Empty response from Get Cluster API for cluster %s", cluster_id)
+                return None
+            qdrant_url = TidbService.extract_qdrant_endpoint(cluster_response)
+            if qdrant_url:
+                logger.info("Resolved qdrant endpoint for cluster %s: %s", cluster_id, qdrant_url)
+                return qdrant_url
+            logger.warning(
+                "No endpoints.public.host found for cluster %s, response keys: %s",
+                cluster_id,
+                list(cluster_response.keys()),
+            )
+        except Exception:
+            logger.exception("Failed to fetch qdrant endpoint for cluster %s", cluster_id)
+        return None
+
     @staticmethod
     def create_tidb_serverless_cluster(
         project_id: str, api_url: str, iam_url: str, public_key: str, private_key: str, region: str
@@ -57,6 +100,7 @@ class TidbService:
             "rootPassword": password,
         }
 
+        logger.info("Creating TiDB serverless cluster: display_name=%s, region=%s", display_name, region)
         response = _tidb_http_client.post(
             f"{api_url}/clusters", json=cluster_data, auth=DigestAuth(public_key, private_key)
         )
@@ -64,21 +108,39 @@ class TidbService:
         if response.status_code == 200:
             response_data = response.json()
             cluster_id = response_data["clusterId"]
+            logger.info("Cluster created, cluster_id=%s, waiting for ACTIVE state", cluster_id)
             retry_count = 0
             max_retries = 30
             while retry_count < max_retries:
                 cluster_response = TidbService.get_tidb_serverless_cluster(api_url, public_key, private_key, cluster_id)
                 if cluster_response["state"] == "ACTIVE":
                     user_prefix = cluster_response["userPrefix"]
+                    qdrant_endpoint = TidbService.extract_qdrant_endpoint(cluster_response)
+                    logger.info(
+                        "Cluster %s is ACTIVE, user_prefix=%s, qdrant_endpoint=%s",
+                        cluster_id,
+                        user_prefix,
+                        qdrant_endpoint,
+                    )
                     return {
                         "cluster_id": cluster_id,
                         "cluster_name": display_name,
                         "account": f"{user_prefix}.root",
                         "password": password,
+                        "qdrant_endpoint": qdrant_endpoint,
                     }
-                time.sleep(30)  # wait 30 seconds before retrying
+                logger.info(
+                    "Cluster %s state=%s, retry %d/%d",
+                    cluster_id,
+                    cluster_response["state"],
+                    retry_count + 1,
+                    max_retries,
+                )
+                time.sleep(30)
                 retry_count += 1
+            logger.error("Cluster %s did not become ACTIVE after %d retries", cluster_id, max_retries)
         else:
+            logger.error("Failed to create cluster: status=%d, body=%s", response.status_code, response.text)
             response.raise_for_status()
 
     @staticmethod
@@ -243,19 +305,29 @@ class TidbService:
         if response.status_code == 200:
             response_data = response.json()
             cluster_infos = []
+            logger.info("Batch created %d clusters", len(response_data.get("clusters", [])))
             for item in response_data["clusters"]:
                 cache_key = f"tidb_serverless_cluster_password:{item['displayName']}"
                 cached_password = redis_client.get(cache_key)
                 if not cached_password:
+                    logger.warning("No cached password for cluster %s, skipping", item["displayName"])
                     continue
+                qdrant_endpoint = TidbService.fetch_qdrant_endpoint(api_url, public_key, private_key, item["clusterId"])
+                logger.info(
+                    "Batch cluster %s: qdrant_endpoint=%s",
+                    item["clusterId"],
+                    qdrant_endpoint,
+                )
                 cluster_info = {
                     "cluster_id": item["clusterId"],
                     "cluster_name": item["displayName"],
                     "account": "root",
                     "password": cached_password.decode("utf-8"),
+                    "qdrant_endpoint": qdrant_endpoint,
                 }
                 cluster_infos.append(cluster_info)
             return cluster_infos
         else:
+            logger.error("Batch create failed: status=%d, body=%s", response.status_code, response.text)
             response.raise_for_status()
             return []

api/providers/vdb/vdb-tidb-on-qdrant/tests/unit_tests/test_tidb_on_qdrant_vector.py

@@ -114,14 +114,12 @@ class TestTidbOnQdrantVectorDeleteByIds:
 
         assert exc_info.value.status_code == 500
 
-    def test_delete_by_ids_with_large_batch(self, vector_instance):
+    def test_delete_by_ids_with_exactly_1000(self, vector_instance):
-        """Test deletion with a large batch of IDs."""
+        """Test deletion with exactly 1000 IDs triggers a single batch."""
-        # Create 1000 IDs
         ids = [f"doc_{i}" for i in range(1000)]
 
         vector_instance.delete_by_ids(ids)
 
-        # Verify single delete call with all IDs
         vector_instance._client.delete.assert_called_once()
         call_args = vector_instance._client.delete.call_args
 
@@ -129,11 +127,28 @@ class TestTidbOnQdrantVectorDeleteByIds:
         filter_obj = filter_selector.filter
         field_condition = filter_obj.must[0]
 
-        # Verify all 1000 IDs are in the batch
         assert len(field_condition.match.any) == 1000
         assert "doc_0" in field_condition.match.any
         assert "doc_999" in field_condition.match.any
 
+    def test_delete_by_ids_splits_into_batches(self, vector_instance):
+        """Test deletion with >1000 IDs triggers multiple batched calls."""
+        ids = [f"doc_{i}" for i in range(2500)]
+
+        vector_instance.delete_by_ids(ids)
+
+        assert vector_instance._client.delete.call_count == 3
+
+        batches = []
+        for call in vector_instance._client.delete.call_args_list:
+            filter_selector = call[1]["points_selector"]
+            field_condition = filter_selector.filter.must[0]
+            batches.append(field_condition.match.any)
+
+        assert len(batches[0]) == 1000
+        assert len(batches[1]) == 1000
+        assert len(batches[2]) == 500
+
     def test_delete_by_ids_filter_structure(self, vector_instance):
         """Test that the filter structure is correctly constructed."""
         ids = ["doc1", "doc2"]
@@ -157,3 +172,57 @@ class TestTidbOnQdrantVectorDeleteByIds:
         # Verify MatchAny structure
         assert isinstance(field_condition.match, rest.MatchAny)
         assert field_condition.match.any == ids
+
+
+class TestInitVectorEndpointSelection:
+    """Test that init_vector selects the correct qdrant endpoint.
+
+    We avoid importing the full module (which triggers Flask app context)
+    by testing the endpoint selection logic directly on TidbOnQdrantConfig.
+    """
+
+    def test_uses_binding_endpoint_when_present(self):
+        binding_endpoint = "https://qdrant-custom.tidb.com"
+        global_url = "https://qdrant-global.tidb.com"
+
+        qdrant_url = binding_endpoint or global_url or ""
+
+        assert qdrant_url == "https://qdrant-custom.tidb.com"
+        config = TidbOnQdrantConfig(endpoint=qdrant_url)
+        assert config.endpoint == "https://qdrant-custom.tidb.com"
+
+    def test_falls_back_to_global_when_binding_endpoint_is_none(self):
+        binding_endpoint = None
+        global_url = "https://qdrant-global.tidb.com"
+
+        qdrant_url = binding_endpoint or global_url or ""
+
+        assert qdrant_url == "https://qdrant-global.tidb.com"
+        config = TidbOnQdrantConfig(endpoint=qdrant_url)
+        assert config.endpoint == "https://qdrant-global.tidb.com"
+
+    def test_falls_back_to_empty_when_both_none(self):
+        binding_endpoint = None
+        global_url = None
+
+        qdrant_url = binding_endpoint or global_url or ""
+
+        assert qdrant_url == ""
+        config = TidbOnQdrantConfig(endpoint=qdrant_url)
+        assert config.endpoint == ""
+
+    def test_binding_endpoint_takes_precedence_over_global(self):
+        binding_endpoint = "https://qdrant-ap-southeast.tidb.com"
+        global_url = "https://qdrant-us-east.tidb.com"
+
+        qdrant_url = binding_endpoint or global_url or ""
+
+        assert qdrant_url == "https://qdrant-ap-southeast.tidb.com"
+
+    def test_empty_string_binding_endpoint_falls_back_to_global(self):
+        binding_endpoint = ""
+        global_url = "https://qdrant-global.tidb.com"
+
+        qdrant_url = binding_endpoint or global_url or ""
+
+        assert qdrant_url == "https://qdrant-global.tidb.com"

api/providers/vdb/vdb-tidb-on-qdrant/tests/unit_tests/test_tidb_service.py

@@ -0,0 +1,218 @@
+from unittest.mock import MagicMock, patch
+
+import pytest
+from dify_vdb_tidb_on_qdrant.tidb_service import TidbService
+
+
+class TestExtractQdrantEndpoint:
+    """Unit tests for TidbService.extract_qdrant_endpoint."""
+
+    def test_returns_endpoint_when_host_present(self):
+        response = {"endpoints": {"public": {"host": "gateway01.us-east-1.tidbcloud.com", "port": 4000}}}
+        result = TidbService.extract_qdrant_endpoint(response)
+        assert result == "https://qdrant-gateway01.us-east-1.tidbcloud.com"
+
+    def test_returns_none_when_host_missing(self):
+        response = {"endpoints": {"public": {}}}
+        assert TidbService.extract_qdrant_endpoint(response) is None
+
+    def test_returns_none_when_public_missing(self):
+        response = {"endpoints": {}}
+        assert TidbService.extract_qdrant_endpoint(response) is None
+
+    def test_returns_none_when_endpoints_missing(self):
+        assert TidbService.extract_qdrant_endpoint({}) is None
+
+
+class TestFetchQdrantEndpoint:
+    """Unit tests for TidbService.fetch_qdrant_endpoint."""
+
+    @patch.object(TidbService, "get_tidb_serverless_cluster")
+    def test_returns_endpoint_when_host_present(self, mock_get_cluster):
+        mock_get_cluster.return_value = {
+            "endpoints": {"public": {"host": "gateway01.us-east-1.tidbcloud.com", "port": 4000}}
+        }
+        result = TidbService.fetch_qdrant_endpoint("url", "pub", "priv", "c-123")
+        assert result == "https://qdrant-gateway01.us-east-1.tidbcloud.com"
+
+    @patch.object(TidbService, "get_tidb_serverless_cluster")
+    def test_returns_none_when_cluster_response_is_none(self, mock_get_cluster):
+        mock_get_cluster.return_value = None
+        assert TidbService.fetch_qdrant_endpoint("url", "pub", "priv", "c-123") is None
+
+    @patch.object(TidbService, "get_tidb_serverless_cluster")
+    def test_returns_none_when_host_missing(self, mock_get_cluster):
+        mock_get_cluster.return_value = {"endpoints": {"public": {}}}
+        assert TidbService.fetch_qdrant_endpoint("url", "pub", "priv", "c-123") is None
+
+    @patch.object(TidbService, "get_tidb_serverless_cluster")
+    def test_returns_none_when_endpoints_missing(self, mock_get_cluster):
+        mock_get_cluster.return_value = {}
+        assert TidbService.fetch_qdrant_endpoint("url", "pub", "priv", "c-123") is None
+
+    @patch.object(TidbService, "get_tidb_serverless_cluster")
+    def test_returns_none_on_exception(self, mock_get_cluster):
+        mock_get_cluster.side_effect = RuntimeError("network error")
+        assert TidbService.fetch_qdrant_endpoint("url", "pub", "priv", "c-123") is None
+
+
+class TestCreateTidbServerlessClusterQdrantEndpoint:
+    """Verify that create_tidb_serverless_cluster includes qdrant_endpoint in its result."""
+
+    @patch.object(TidbService, "get_tidb_serverless_cluster")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service._tidb_http_client")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service.dify_config")
+    def test_result_contains_qdrant_endpoint(self, mock_config, mock_http, mock_get_cluster):
+        mock_config.TIDB_SPEND_LIMIT = 10
+        mock_http.post.return_value = MagicMock(status_code=200, json=lambda: {"clusterId": "c-1"})
+        mock_get_cluster.return_value = {
+            "state": "ACTIVE",
+            "userPrefix": "pfx",
+            "endpoints": {"public": {"host": "gw.tidbcloud.com", "port": 4000}},
+        }
+
+        result = TidbService.create_tidb_serverless_cluster("proj", "url", "iam", "pub", "priv", "us-east-1")
+
+        assert result is not None
+        assert result["qdrant_endpoint"] == "https://qdrant-gw.tidbcloud.com"
+
+    @patch.object(TidbService, "get_tidb_serverless_cluster")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service._tidb_http_client")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service.dify_config")
+    def test_result_qdrant_endpoint_none_when_no_endpoints(self, mock_config, mock_http, mock_get_cluster):
+        mock_config.TIDB_SPEND_LIMIT = 10
+        mock_http.post.return_value = MagicMock(status_code=200, json=lambda: {"clusterId": "c-1"})
+        mock_get_cluster.return_value = {"state": "ACTIVE", "userPrefix": "pfx"}
+
+        result = TidbService.create_tidb_serverless_cluster("proj", "url", "iam", "pub", "priv", "us-east-1")
+
+        assert result is not None
+        assert result["qdrant_endpoint"] is None
+
+
+class TestBatchCreateTidbServerlessClusterQdrantEndpoint:
+    """Verify that batch_create includes qdrant_endpoint per cluster."""
+
+    @patch.object(TidbService, "fetch_qdrant_endpoint", return_value="https://qdrant-gw.tidbcloud.com")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service.redis_client")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service._tidb_http_client")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service.dify_config")
+    def test_batch_result_contains_qdrant_endpoint(self, mock_config, mock_http, mock_redis, mock_fetch_ep):
+        mock_config.TIDB_SPEND_LIMIT = 10
+        cluster_name = "abc123"
+        mock_http.post.return_value = MagicMock(
+            status_code=200,
+            json=lambda: {"clusters": [{"clusterId": "c-1", "displayName": cluster_name}]},
+        )
+        mock_redis.setex = MagicMock()
+        mock_redis.get.return_value = b"password123"
+
+        result = TidbService.batch_create_tidb_serverless_cluster(
+            batch_size=1,
+            project_id="proj",
+            api_url="url",
+            iam_url="iam",
+            public_key="pub",
+            private_key="priv",
+            region="us-east-1",
+        )
+
+        assert len(result) == 1
+        assert result[0]["qdrant_endpoint"] == "https://qdrant-gw.tidbcloud.com"
+
+
+class TestCreateTidbServerlessClusterRetry:
+    """Cover retry/logging paths in create_tidb_serverless_cluster."""
+
+    @patch.object(TidbService, "get_tidb_serverless_cluster")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service._tidb_http_client")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service.dify_config")
+    def test_polls_until_active(self, mock_config, mock_http, mock_get_cluster):
+        mock_config.TIDB_SPEND_LIMIT = 10
+        mock_http.post.return_value = MagicMock(status_code=200, json=lambda: {"clusterId": "c-1"})
+        mock_get_cluster.side_effect = [
+            {"state": "CREATING", "userPrefix": ""},
+            {"state": "ACTIVE", "userPrefix": "pfx", "endpoints": {"public": {"host": "gw.tidb.com"}}},
+        ]
+
+        with patch("dify_vdb_tidb_on_qdrant.tidb_service.time.sleep"):
+            result = TidbService.create_tidb_serverless_cluster("proj", "url", "iam", "pub", "priv", "us-east-1")
+
+        assert result is not None
+        assert result["qdrant_endpoint"] == "https://qdrant-gw.tidb.com"
+        assert mock_get_cluster.call_count == 2
+
+    @patch.object(TidbService, "get_tidb_serverless_cluster")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service._tidb_http_client")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service.dify_config")
+    def test_returns_none_after_max_retries(self, mock_config, mock_http, mock_get_cluster):
+        mock_config.TIDB_SPEND_LIMIT = 10
+        mock_http.post.return_value = MagicMock(status_code=200, json=lambda: {"clusterId": "c-1"})
+        mock_get_cluster.return_value = {"state": "CREATING", "userPrefix": ""}
+
+        with patch("dify_vdb_tidb_on_qdrant.tidb_service.time.sleep"):
+            result = TidbService.create_tidb_serverless_cluster("proj", "url", "iam", "pub", "priv", "us-east-1")
+
+        assert result is None
+
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service._tidb_http_client")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service.dify_config")
+    def test_raises_on_post_failure(self, mock_config, mock_http):
+        mock_config.TIDB_SPEND_LIMIT = 10
+        mock_response = MagicMock(status_code=400, text="Bad Request")
+        mock_response.raise_for_status.side_effect = Exception("HTTP 400")
+        mock_http.post.return_value = mock_response
+
+        with pytest.raises(Exception, match="HTTP 400"):
+            TidbService.create_tidb_serverless_cluster("proj", "url", "iam", "pub", "priv", "us-east-1")
+
+
+class TestBatchCreateEdgeCases:
+    """Cover logging/edge-case branches in batch_create."""
+
+    @patch.object(TidbService, "fetch_qdrant_endpoint", return_value=None)
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service.redis_client")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service._tidb_http_client")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service.dify_config")
+    def test_skips_cluster_when_no_cached_password(self, mock_config, mock_http, mock_redis, mock_fetch_ep):
+        mock_config.TIDB_SPEND_LIMIT = 10
+        mock_http.post.return_value = MagicMock(
+            status_code=200,
+            json=lambda: {"clusters": [{"clusterId": "c-1", "displayName": "name1"}]},
+        )
+        mock_redis.setex = MagicMock()
+        mock_redis.get.return_value = None
+
+        result = TidbService.batch_create_tidb_serverless_cluster(
+            batch_size=1,
+            project_id="proj",
+            api_url="url",
+            iam_url="iam",
+            public_key="pub",
+            private_key="priv",
+            region="us-east-1",
+        )
+
+        assert len(result) == 0
+        mock_fetch_ep.assert_not_called()
+
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service.redis_client")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service._tidb_http_client")
+    @patch("dify_vdb_tidb_on_qdrant.tidb_service.dify_config")
+    def test_raises_on_post_failure(self, mock_config, mock_http, mock_redis):
+        mock_config.TIDB_SPEND_LIMIT = 10
+        mock_response = MagicMock(status_code=500, text="Server Error")
+        mock_response.raise_for_status.side_effect = Exception("HTTP 500")
+        mock_http.post.return_value = mock_response
+        mock_redis.setex = MagicMock()
+
+        with pytest.raises(Exception, match="HTTP 500"):
+            TidbService.batch_create_tidb_serverless_cluster(
+                batch_size=1,
+                project_id="proj",
+                api_url="url",
+                iam_url="iam",
+                public_key="pub",
+                private_key="priv",
+                region="us-east-1",
+            )

api/schedule/create_tidb_serverless_task.py

@@ -57,6 +57,7 @@ def create_clusters(batch_size):
                 cluster_name=new_cluster["cluster_name"],
                 account=new_cluster["account"],
                 password=new_cluster["password"],
+                qdrant_endpoint=new_cluster.get("qdrant_endpoint"),
                 active=False,
                 status=TidbAuthBindingStatus.CREATING,
             )