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Airflow webserver UI unable to access worker node logs #26201

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Description

@devashish-parmar

Apache Airflow version

2.3.4

What happened

We have set up a multi node Airflow configuration. We have the below setup.

  • 4 nodes
  • node 1: webserver, rabbitmq, flower
  • node 2: meta db
  • node 3: worker 1
  • node 4: worker 2

Although the setup is working fine and DAGs are getting distributed among the worker nodes, however the logs generated in the worker nodes are not reflecting in the webserver UI in the master node.
Below is the error:
***** Log file does not exist: /home/dvafadm/airflow/logs/dag_id=second_dag/run_id=manual__2022-09-07T10:16:57.050200+00:00/task_id=second_dag/attempt=1.log
*** Fetching from: http://:8793/log/dag_id=second_dag/run_id=manual__2022-09-07T10:16:57.050200+00:00/task_id=second_dag/attempt=1.log
*** !!!! Please make sure that all your Airflow components (e.g. schedulers, webservers and workers) have the same 'secret_key' configured in 'webserver' section and time is synchronized on all your machines (for example with ntpd) !!!!!
****** See more at https://airflow.apache.org/docs/apache-airflow/stable/configurations-ref.html#secret-key
****** Failed to fetch log file from worker. Client error '403 FORBIDDEN' for url 'http://:8793/log/dag_id=second_dag/run_id=manual__2022-09-07T10:16:57.050200+00:00/task_id=second_dag/attempt=1.log'
For more information check: https://httpstatuses.com/403**

We have checked all the folder permission, secret_key, timezone but still the problem persist.

can anyone help here?

What you think should happen instead

No response

How to reproduce

No response

Operating System

Linux Red Hat

Versions of Apache Airflow Providers

No response

Deployment

Virtualenv installation

Deployment details

No response

Anything else

No response

Are you willing to submit PR?

  • Yes I am willing to submit a PR!

Code of Conduct

Activity

  1. boring-cyborg commented on Sep 7, 2022

    @boring-cyborg

    Thanks for opening your first issue here! Be sure to follow the issue template!

  2. nsAstro commented on Sep 8, 2022

    @nsAstro
    Contributor

    Can you see if there are any files in the directory '/home/dvafadm/airflow/logs/' and if so, can you find the ones corresponding the the above DAG and list the file/directory structure? I'm curious if this is a name mismatch or if the logs just don't exist.

  3. devashish-parmar commented on Sep 9, 2022

    @devashish-parmar
    Author

    yes, the directory/file does exist. the below command runs fine from the worker node

    less "/home/dvafadm/airflow/logs/dag_id=second_dag/run_id=manual__2022-09-07T10:16:57.050200+00:00/task_id=second_dag/attempt=1.log"

  4. jledoux-sonergia commented on Sep 16, 2022

    @jledoux-sonergia

    We've ran into the same issue, worker's gunicorn log webserver does not start properly on 2.3.4, downgrading to 2.3.3 fix this issue.

    I think it's related to this PR #24846
    And saimon46's comment explains it: #24846 (comment)

  5. potiuk commented on Sep 19, 2022

    @potiuk
    Member

    @jledoux-sonergia - The 2.4.0 is out today and It should have the IPV6 problem fixed. @devashish-parmar - if the request is forbidden, you should have looked at the webeserver logs and it should tell you the exact reason for the problem you have

    We have checked all the folder permission, secret_key, timezone but still the problem persist.

    Timezone is not an issue. You should check if TIME is synchronized on all your machines.

    Converting that into a discussion as either some of the problems mentioned here (IPV6) have been fixed in 2.4.0 or they need more looking at the deployment side and checking the webserver logs.

  6. locked and limited conversation to collaborators on Sep 19, 2022
  7. converted this issue into a discussion #26481 on Sep 19, 2022
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