Я пытаюсь использовать LocalExecutor вместо SequentialExecutor по умолчанию, который заставляет использовать другую базу данных, отличную от SQLlite.
Я хотел попробовать MySQL, однако у меня возникают проблемы с MySQL версии 5.6, 5.7?Не уверен, если это связано с совместимостью версий.
Хотелось бы увидеть любую документацию, связанную с версиями Airflow и совместимыми версиями MySQL.
Обновление:
Вот ошибка OoopsЯ вижу в этом пользовательском интерфейсе, когда нажимаю на любую из связанных с DAG кнопок при использовании MySQL backend:
Traceback (most recent call last):
File "/home/ec2-user/.local/lib/python2.7/site-packages/flask/app.py", line 1982, in wsgi_app
response = self.full_dispatch_request()
File "/home/ec2-user/.local/lib/python2.7/site-packages/flask/app.py", line 1614, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/ec2-user/.local/lib/python2.7/site-packages/flask/app.py", line 1517, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/home/ec2-user/.local/lib/python2.7/site-packages/flask/app.py", line 1612, in full_dispatch_request
rv = self.dispatch_request()
File "/home/ec2-user/.local/lib/python2.7/site-packages/flask/app.py", line 1598, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/home/ec2-user/.local/lib/python2.7/site-packages/flask_admin/base.py", line 69, in inner
return self._run_view(f, *args, **kwargs)
File "/home/ec2-user/.local/lib/python2.7/site-packages/flask_admin/base.py", line 368, in _run_view
return fn(self, *args, **kwargs)
File "/home/ec2-user/.local/lib/python2.7/site-packages/flask_login.py", line 755, in decorated_view
return func(*args, **kwargs)
File "/home/ec2-user/.local/lib/python2.7/site-packages/airflow/www/utils.py", line 364, in view_func
return f(*args, **kwargs)
File "/home/ec2-user/.local/lib/python2.7/site-packages/airflow/www/utils.py", line 268, in wrapper
session.commit()
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 927, in commit
self.transaction.commit()
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 467, in commit
self._prepare_impl()
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 447, in _prepare_impl
self.session.flush()
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 2209, in flush
self._flush(objects)
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 2329, in _flush
transaction.rollback(_capture_exception=True)
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/util/langhelpers.py", line 66, in __exit__
compat.reraise(exc_type, exc_value, exc_tb)
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 2293, in _flush
flush_context.execute()
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/orm/unitofwork.py", line 389, in execute
rec.execute(self)
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/orm/unitofwork.py", line 548, in execute
uow
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/orm/persistence.py", line 181, in save_obj
mapper, table, insert)
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/orm/persistence.py", line 835, in _emit_insert_statements
execute(statement, params)
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 945, in execute
return meth(self, multiparams, params)
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/sql/elements.py", line 263, in _execute_on_connection
return connection._execute_clauseelement(self, multiparams, params)
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1053, in _execute_clauseelement
compiled_sql, distilled_params
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1189, in _execute_context
context)
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1402, in _handle_dbapi_exception
exc_info
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/util/compat.py", line 203, in raise_from_cause
reraise(type(exception), exception, tb=exc_tb, cause=cause)
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1182, in _execute_context
context)
File "/home/ec2-user/.local/lib/python2.7/site-packages/sqlalchemy/engine/default.py", line 470, in do_execute
cursor.execute(statement, parameters)
File "/usr/local/lib64/python2.7/site-packages/pymysql/cursors.py", line 170, in execute
result = self._query(query)
File "/usr/local/lib64/python2.7/site-packages/pymysql/cursors.py", line 328, in _query
conn.query(q)
File "/usr/local/lib64/python2.7/site-packages/pymysql/connections.py", line 516, in query
self._affected_rows = self._read_query_result(unbuffered=unbuffered)
File "/usr/local/lib64/python2.7/site-packages/pymysql/connections.py", line 727, in _read_query_result
result.read()
File "/usr/local/lib64/python2.7/site-packages/pymysql/connections.py", line 1066, in read
first_packet = self.connection._read_packet()
File "/usr/local/lib64/python2.7/site-packages/pymysql/connections.py", line 683, in _read_packet
packet.check_error()
File "/usr/local/lib64/python2.7/site-packages/pymysql/protocol.py", line 220, in check_error
err.raise_mysql_exception(self._data)
File "/usr/local/lib64/python2.7/site-packages/pymysql/err.py", line 109, in raise_mysql_exception
raise errorclass(errno, errval)
ProgrammingError: (pymysql.err.ProgrammingError) (1064, u"You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '[(\\'dag_id\\', u\\'DataPipeline\\')]'')' at line 1") [SQL: u'INSERT INTO log (dttm, dag_id, task_id, event, execution_date, owner, extra) VALUES (%(dttm)s, %(dag_id)s, %(task_id)s, %(event)s, %(execution_date)s, %(owner)s, %(extra)s)'] [parameters: {'task_id': None, 'extra': "[('dag_id', u'DataPipeline')]", 'execution_date': None, 'event': 'tree', 'owner': 'anonymous', 'dttm': datetime.datetime(2018, 10, 6, 5, 28, 31, 180060, tzinfo=<Timezone [UTC]>), 'dag_id': u'DataPipeline'}]