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https://issues.apache.org/jira/browse/AIRFLOW-2675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16523661#comment-16523661
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Ash Berlin-Taylor commented on AIRFLOW-2675:
--------------------------------------------
You are on master version of Airflow or the released 1.9.0?
Missing cryptography is a bug that's been reported. The k8s deps are only a
warning - the second error is {{AirflowException: Could not create Fernet
object: Incorrect padding}} which is again related to fernet/crypto.
Is this a clean environment? Have you made any changes to airflow.cfg at all?
> Run commands error after installed
> ----------------------------------
>
> Key: AIRFLOW-2675
> URL: https://issues.apache.org/jira/browse/AIRFLOW-2675
> Project: Apache Airflow
> Issue Type: Bug
> Components: dependencies
> Reporter: Guoqiang Ding
> Assignee: Guoqiang Ding
> Priority: Major
>
> After I installed airflow in my test environment, it raises error on the
> dependencies.
>
> {code:java}
> //
> $ airflow
> Traceback (most recent call last):
> File "/opt/incubator-airflow/env/bin/airflow", line 6, in <module>
> exec(compile(open(__file__).read(), __file__, 'exec'))
> File "/opt/incubator-airflow/airflow/bin/airflow", line 21, in <module>
> from airflow import configuration
> File "/opt/incubator-airflow/airflow/__init__.py", line 37, in <module>
> from airflow.models import DAG
> File "/opt/incubator-airflow/airflow/models.py", line 31, in <module>
> import cryptography
> ImportError: No module named cryptography
> {code}
>
>
> And after I run "pip install cryptography" mannually, it raises error on the
> k8s dependencies when I run "airflow init db".
>
> {code:java}
> //
> $ airflow initdb
> [2018-06-26 10:52:08,259] {__init__.py:51} INFO - Using executor
> SequentialExecutor
> DB: sqlite:////home/openstack/airflow/airflow.db
> [2018-06-26 10:52:08,394] {db.py:338} INFO - Creating tables
> INFO [alembic.runtime.migration] Context impl SQLiteImpl.
> INFO [alembic.runtime.migration] Will assume non-transactional DDL.
> INFO [alembic.runtime.migration] Running upgrade -> e3a246e0dc1, current
> schema
> INFO [alembic.runtime.migration] Running upgrade e3a246e0dc1 ->
> 1507a7289a2f, create is_encrypted
> /opt/incubator-airflow/env/local/lib/python2.7/site-packages/alembic/util/messaging.py:69:
> UserWarning: Skipping unsupported ALTER for creation of implicit constraint
> warnings.warn(msg)
> INFO [alembic.runtime.migration] Running upgrade 1507a7289a2f ->
> 13eb55f81627, maintain history for compatibility with earlier migrations
> INFO [alembic.runtime.migration] Running upgrade 13eb55f81627 ->
> 338e90f54d61, More logging into task_isntance
> INFO [alembic.runtime.migration] Running upgrade 338e90f54d61 ->
> 52d714495f0, job_id indices
> INFO [alembic.runtime.migration] Running upgrade 52d714495f0 ->
> 502898887f84, Adding extra to Log
> INFO [alembic.runtime.migration] Running upgrade 502898887f84 ->
> 1b38cef5b76e, add dagrun
> INFO [alembic.runtime.migration] Running upgrade 1b38cef5b76e ->
> 2e541a1dcfed, task_duration
> INFO [alembic.runtime.migration] Running upgrade 2e541a1dcfed ->
> 40e67319e3a9, dagrun_config
> INFO [alembic.runtime.migration] Running upgrade 40e67319e3a9 ->
> 561833c1c74b, add password column to user
> INFO [alembic.runtime.migration] Running upgrade 561833c1c74b -> 4446e08588,
> dagrun start end
> INFO [alembic.runtime.migration] Running upgrade 4446e08588 -> bbc73705a13e,
> Add notification_sent column to sla_miss
> INFO [alembic.runtime.migration] Running upgrade bbc73705a13e ->
> bba5a7cfc896, Add a column to track the encryption state of the 'Extra' field
> in connection
> INFO [alembic.runtime.migration] Running upgrade bba5a7cfc896 ->
> 1968acfc09e3, add is_encrypted column to variable table
> INFO [alembic.runtime.migration] Running upgrade 1968acfc09e3 ->
> 2e82aab8ef20, rename user table
> INFO [alembic.runtime.migration] Running upgrade 2e82aab8ef20 ->
> 211e584da130, add TI state index
> INFO [alembic.runtime.migration] Running upgrade 211e584da130 ->
> 64de9cddf6c9, add task fails journal table
> INFO [alembic.runtime.migration] Running upgrade 64de9cddf6c9 ->
> f2ca10b85618, add dag_stats table
> INFO [alembic.runtime.migration] Running upgrade f2ca10b85618 ->
> 4addfa1236f1, Add fractional seconds to mysql tables
> INFO [alembic.runtime.migration] Running upgrade 4addfa1236f1 ->
> 8504051e801b, xcom dag task indices
> INFO [alembic.runtime.migration] Running upgrade 8504051e801b ->
> 5e7d17757c7a, add pid field to TaskInstance
> INFO [alembic.runtime.migration] Running upgrade 5e7d17757c7a ->
> 127d2bf2dfa7, Add dag_id/state index on dag_run table
> INFO [alembic.runtime.migration] Running upgrade 127d2bf2dfa7 ->
> cc1e65623dc7, add max tries column to task instance
> WARNI [airflow.utils.log.logging_mixin.LoggingMixin] Could not import
> KubernetesPodOperator: No module named kubernetes
> WARNI [airflow.utils.log.logging_mixin.LoggingMixin] Install kubernetes
> dependencies with: pip install airflow['kubernetes']
> INFO [alembic.runtime.migration] Running upgrade cc1e65623dc7 ->
> bdaa763e6c56, Make xcom value column a large binary
> INFO [alembic.runtime.migration] Running upgrade bdaa763e6c56 ->
> 947454bf1dff, add ti job_id index
> INFO [alembic.runtime.migration] Running upgrade 947454bf1dff ->
> d2ae31099d61, Increase text size for MySQL (not relevant for other DBs' text
> types)
> INFO [alembic.runtime.migration] Running upgrade d2ae31099d61 ->
> 0e2a74e0fc9f, Add time zone awareness
> INFO [alembic.runtime.migration] Running upgrade d2ae31099d61 ->
> 33ae817a1ff4, kubernetes_resource_checkpointing
> INFO [alembic.runtime.migration] Running upgrade 33ae817a1ff4 ->
> 27c6a30d7c24, kubernetes_resource_checkpointing
> INFO [alembic.runtime.migration] Running upgrade 27c6a30d7c24 ->
> 86770d1215c0, add kubernetes scheduler uniqueness
> INFO [alembic.runtime.migration] Running upgrade 86770d1215c0, 0e2a74e0fc9f
> -> 05f30312d566, merge heads
> INFO [alembic.runtime.migration] Running upgrade 05f30312d566 ->
> f23433877c24, fix mysql not null constraint
> INFO [alembic.runtime.migration] Running upgrade f23433877c24 ->
> 856955da8476, fix sqlite foreign key
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 689, in set_password
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> ERROR [airflow.models.Connection] Failed to load fernet while encrypting
> value, using non-encrypted value.
> Traceback (most recent call last):
> File "/opt/incubator-airflow/airflow/models.py", line 718, in set_extra
> fernet = get_fernet()
> File "/opt/incubator-airflow/airflow/models.py", line 124, in get_fernet
> raise AirflowException("Could not create Fernet object: {}".format(ve))
> AirflowException: Could not create Fernet object: Incorrect padding
> WARNI [airflow.utils.log.logging_mixin.LoggingMixin] Could not import
> KubernetesPodOperator: No module named kubernetes
> WARNI [airflow.utils.log.logging_mixin.LoggingMixin] Install kubernetes
> dependencies with: pip install airflow['kubernetes']
> Done.
> {code}
>
> I don't know it is a bug or there was wrong with my steps.
>
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