Set connector status to CONNECTED after successful validation and ping

connectors/protocol/connectors.py

@@ -819,6 +819,10 @@ async def error(self, error):
         }
         await self.index.update(doc_id=self.id, doc=doc)
 
+    async def connected(self):
+        doc = {"status": Status.CONNECTED.value, "error": None}
+        await self.index.update(doc_id=self.id, doc=doc)
+
     async def sync_done(self, job, cursor=None):
         job_status = JobStatus.ERROR if job is None else job.status
         job_error = JOB_NOT_FOUND_ERROR if job is None else job.error

connectors/services/job_scheduling.py

@@ -106,6 +106,11 @@ async def _schedule(self, connector):
 
             if connector.features.sync_rules_enabled():
                 await connector.validate_filtering(validator=data_source)
+
+            self.logger.info(
+                "Connector is configured correctly and can reach the data source"
+            )
+            await connector.connected()
         except Exception as e:
             connector.log_error(e, exc_info=True)
             await connector.error(e)

tests/commons.py

@@ -15,18 +15,28 @@ class AsyncIterator:
     Async documents generator fake class, which records the args and kwargs it was called with.
     """
 
-    def __init__(self, items):
+    def __init__(self, items, reusable=False):
+        """
+        AsyncIterator is a test-only abstraction to mock async iterables.
+        By default it's usable only once: once iterated over, he iterator will not
+        iterate again any more.
+        If reusable is True, then iterator can be re-used, but only if it's used by a single coroutine.
+        If AsyncIterator is used in several coroutines, it'll not work correctly at all
+        """
         self.items = items
         self.call_args = []
         self.call_kwargs = []
         self.i = 0
         self.call_count = 0
+        self.reusable = reusable
 
     def __aiter__(self):
         return self
 
     async def __anext__(self):
         if self.i >= len(self.items):
+            if self.reusable:
+                self.i = 0
             raise StopAsyncIteration
 
         item = self.items[self.i]

tests/services/test_job_scheduling.py

@@ -93,6 +93,7 @@ def mock_connector(
     connector.heartbeat = AsyncMock()
     connector.reload = AsyncMock()
     connector.error = AsyncMock()
+    connector.connected = AsyncMock()
     connector.update_last_sync_scheduled_at_by_job_type = AsyncMock()
 
     return connector
@@ -377,6 +378,45 @@ def _source_klass(config):
     connector.error.assert_awaited_with(actual_error)
 
 
+@pytest.mark.asyncio
+@patch("connectors.services.job_scheduling.get_source_klass")
+async def test_run_when_connector_failed_validation_then_succeeded(
+    get_source_klass_mock, connector_index_mock, set_env
+):
+    error_message = "Something invalid is in config!"
+    actual_error = Exception(error_message)
+
+    data_source_mock = Mock()
+
+    def _source_klass(config):
+        return data_source_mock
+
+    def _error_once():
+        data_source_mock.validate_config.reset_mock(side_effect=True)
+        raise actual_error
+
+    get_source_klass_mock.return_value = _source_klass
+
+    data_source_mock.validate_config_fields = Mock()
+    data_source_mock.validate_config = AsyncMock(side_effect=_error_once)
+    data_source_mock.ping = AsyncMock()
+    data_source_mock.close = AsyncMock()
+
+    connector = mock_connector(next_sync=datetime.now(timezone.utc))
+    connector_index_mock.supported_connectors.return_value = AsyncIterator(
+        [connector], reusable=True
+    )
+    await create_and_run_service(JobSchedulingService, stop_after=0.15)
+
+    data_source_mock.validate_config_fields.assert_called()
+    data_source_mock.validate_config.assert_awaited()
+    data_source_mock.ping.assert_awaited()
+    data_source_mock.close.assert_awaited()
+
+    connector.error.assert_awaited_with(actual_error)
+    connector.connected.assert_awaited()
+
+
 @pytest.mark.asyncio
 @patch("connectors.services.job_scheduling.get_source_klass")
 async def test_run_when_connector_ping_fails(