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https://issues.apache.org/jira/browse/AIRFLOW-1543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16747896#comment-16747896
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ASF GitHub Bot commented on AIRFLOW-1543:
-----------------------------------------
ashb commented on pull request #2551: [AIRFLOW-1543] Improve error message for
incorrect fernet_key
URL: https://github.com/apache/airflow/pull/2551
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> Improve logging when `fernet_key` format is incorrect
> -----------------------------------------------------
>
> Key: AIRFLOW-1543
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1543
> Project: Apache Airflow
> Issue Type: Bug
> Affects Versions: 1.9.0
> Reporter: Tiantian Gao
> Assignee: Tiantian Gao
> Priority: Minor
> Labels: newbie
>
> Using the default airflow.cfg, and modify "fernet_key" to some thing like
> "sdfsdfsfsdf", which incorrect format.
> then run "airflow initdb", raise below
> {code}
> [2017-08-29 23:01:20,197] {driver.py:120} INFO - Generating grammar tables
> from /usr/lib/python2.7/lib2to3/Grammar.txt
> [2017-08-29 23:01:20,231] {driver.py:120} INFO - Generating grammar tables
> from /usr/lib/python2.7/lib2to3/PatternGrammar.txt
> [2017-08-29 23:01:20,436] {__init__.py:45} INFO - Using executor
> SequentialExecutor
> DB: sqlite:////home/ubuntu/airflow/airflow.db
> [2017-08-29 23:01:20,618] {db.py:311} INFO - Creating tables
> INFO [alembic.runtime.migration] Context impl SQLiteImpl.
> INFO [alembic.runtime.migration] Will assume non-transactional DDL.
> /home/ubuntu/src/incubator-airflow/.venv/local/lib/python2.7/site-packages/cffi/model.py:525:
> UserWarning: 'point_conversion_form_t' has no values explicitly defined;
> guessing that it is equivalent to 'unsigned int'
> % self._get_c_name())
> Traceback (most recent call last):
> File "/home/ubuntu/src/incubator-airflow/.venv/bin/airflow", line 10, in
> <module>
> execfile(__file__)
> File "/home/ubuntu/src/incubator-airflow/airflow/bin/airflow", line 28, in
> <module>
> args.func(args)
> File "/home/ubuntu/src/incubator-airflow/airflow/bin/cli.py", line 894, in
> initdb
> db_utils.initdb()
> File "/home/ubuntu/src/incubator-airflow/airflow/utils/db.py", line 112, in
> initdb
> schema='airflow_ci'))
> File "<string>", line 4, in __init__
> File
> "/home/ubuntu/src/incubator-airflow/.venv/local/lib/python2.7/site-packages/sqlalchemy/orm/state.py",
> line 414, in _initialize_instance
> manager.dispatch.init_failure(self, args, kwargs)
> File
> "/home/ubuntu/src/incubator-airflow/.venv/local/lib/python2.7/site-packages/sqlalchemy/util/langhelpers.py",
> line 66, in __exit__
> compat.reraise(exc_type, exc_value, exc_tb)
> File
> "/home/ubuntu/src/incubator-airflow/.venv/local/lib/python2.7/site-packages/sqlalchemy/orm/state.py",
> line 411, in _initialize_instance
> return manager.original_init(*mixed[1:], **kwargs)
> File "/home/ubuntu/src/incubator-airflow/airflow/models.py", line 585, in
> __init__
> self.extra = extra
> File "<string>", line 1, in __set__
> File "/home/ubuntu/src/incubator-airflow/airflow/models.py", line 646, in
> set_extra
> fernet = get_fernet()
> File "/home/ubuntu/src/incubator-airflow/airflow/models.py", line 105, in
> get_fernet
> return Fernet(configuration.get('core', 'FERNET_KEY').encode('utf-8'))
> File
> "/home/ubuntu/src/incubator-airflow/.venv/local/lib/python2.7/site-packages/cryptography/fernet.py",
> line 34, in __init__
> key = base64.urlsafe_b64decode(key)
> File "/usr/lib/python2.7/base64.py", line 112, in urlsafe_b64decode
> return b64decode(s, '-_')
> File "/usr/lib/python2.7/base64.py", line 76, in b64decode
> raise TypeError(msg)
> TypeError: Incorrect padding
> {code}
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