potiuk commented on a change in pull request #7172: [AIRFLOW-6564] Additional
diagnostics information on CI check failure
URL: https://github.com/apache/airflow/pull/7172#discussion_r367118278
##########
File path: airflow/utils/db.py
##########
@@ -501,3 +501,13 @@ def resetdb():
Base.metadata.drop_all(connection) # pylint: disable=no-member
initdb()
+
+
+@provide_session
+def check(session=None):
+ """
+ Checks if the database works.
+ :param session: session of the sqlalchemy
+ """
+ session.execute('select 1 as is_alive;')
+ log.info("Connection successful.")
Review comment:
Again - we do not have neither scheduler nor webserver nor any of the
workers. It's just checking if the environment we have is "sane" - i.e. if the
databases are there and can be queried, if all the integration for CI tests are
reachable at the destination endpoints.
We explicitly only check database availability before we start tests.
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