[jira] [Issue Comment Deleted] (AIRFLOW-3036) Upgrading to Airflow 1.10 not possible using GCP Cloud SQL for MYSQL

["Ash Berlin-Taylor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-3036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ash Berlin-Taylor updated AIRFLOW-3036:
---------------------------------------
    Comment: was deleted

(was: Commit b523dd9dd0e24d5362826d1d2401b528b0725999 in airflow's branch refs/heads/v1-10-test from Joshua Carp
[ https://gitbox.apache.org/repos/asf?p=airflow.git;h=b523dd9 ]

[AIRFLOW-3036] Add relevant ECS options to ECS operator. (#3908)

The ECS operator currently supports only a subset of available options
for running ECS tasks. This patch adds all ECS options that could be
relevant to airflow; options that wouldn't make sense here, like
`count`, were skipped.)

> Upgrading to Airflow 1.10 not possible using GCP Cloud SQL for MYSQL
> --------------------------------------------------------------------
>
>                 Key: AIRFLOW-3036
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-3036
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: core, db
>    Affects Versions: 1.10.0
>         Environment: Google Cloud Platform, Google Kubernetes Engine, Airflow 1.10 on Debian Stretch, Google Cloud SQL MySQL
>            Reporter: Smith Mathieu
>            Priority: Blocker
>              Labels: 1.10, google, google-cloud-sql
>
> The upgrade path to airflow 1.10 seems impossible for users of MySQL in Google's Cloud SQL service given new mysql requirements for 1.10.
>  
> When executing "airflow upgradedb"
> ```
>  INFO [alembic.runtime.migration] Running upgrade d2ae31099d61 -> 0e2a74e0fc9f, Add time zone awareness
>  Traceback (most recent call last):
>  File "/usr/local/bin/airflow", line 32, in <module>
>  args.func(args)
>  File "/usr/local/lib/python3.6/site-packages/airflow/bin/cli.py", line 1002, in initdb
>  db_utils.initdb(settings.RBAC)
>  File "/usr/local/lib/python3.6/site-packages/airflow/utils/db.py", line 92, in initdb
>  upgradedb()
>  File "/usr/local/lib/python3.6/site-packages/airflow/utils/db.py", line 346, in upgradedb
>  command.upgrade(config, 'heads')
>  File "/usr/local/lib/python3.6/site-packages/alembic/command.py", line 174, in upgrade
>  script.run_env()
>  File "/usr/local/lib/python3.6/site-packages/alembic/script/base.py", line 416, in run_env
>  util.load_python_file(self.dir, 'env.py')
>  File "/usr/local/lib/python3.6/site-packages/alembic/util/pyfiles.py", line 93, in load_python_file
>  module = load_module_py(module_id, path)
>  File "/usr/local/lib/python3.6/site-packages/alembic/util/compat.py", line 68, in load_module_py
>  module_id, path).load_module(module_id)
>  File "<frozen importlib._bootstrap_external>", line 399, in _check_name_wrapper
>  File "<frozen importlib._bootstrap_external>", line 823, in load_module
>  File "<frozen importlib._bootstrap_external>", line 682, in load_module
>  File "<frozen importlib._bootstrap>", line 265, in _load_module_shim
>  File "<frozen importlib._bootstrap>", line 684, in _load
>  File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
>  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
>  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
>  File "/usr/local/lib/python3.6/site-packages/airflow/migrations/env.py", line 91, in <module>
>  run_migrations_online()
>  File "/usr/local/lib/python3.6/site-packages/airflow/migrations/env.py", line 86, in run_migrations_online
>  context.run_migrations()
>  File "<string>", line 8, in run_migrations
>  File "/usr/local/lib/python3.6/site-packages/alembic/runtime/environment.py", line 807, in run_migrations
>  self.get_context().run_migrations(**kw)
>  File "/usr/local/lib/python3.6/site-packages/alembic/runtime/migration.py", line 321, in run_migrations
>  step.migration_fn(**kw)
>  File "/usr/local/lib/python3.6/site-packages/airflow/migrations/versions/0e2a74e0fc9f_add_time_zone_awareness.py", line 46, in upgrade
>  raise Exception("Global variable explicit_defaults_for_timestamp needs to be on (1) for mysql")
>  Exception: Global variable explicit_defaults_for_timestamp needs to be on (1) for mysql
>  ```
>   
> Reading documentation for upgrading to airflow 1.10, it seems the requirement for explicit_defaults_for_timestamp=1 was intentional. 
>  
> However,  MySQL on Google Cloud SQL does not support configuring this variable and it is off by default. Users of MySQL and Cloud SQL do not have an upgrade path to 1.10. Alas, so close to the mythical Kubernetes Executor.
> In GCP, Cloud SQL is _the_ hosted MySQL solution. 
> [https://cloud.google.com/sql/docs/mysql/flags]



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