[jira] [Resolved] (AIRFLOW-4760) Packaged DAGs disappear from the DagBag

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

     [ https://issues.apache.org/jira/browse/AIRFLOW-4760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ash Berlin-Taylor resolved AIRFLOW-4760.
----------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.10.4

> Packaged DAGs disappear from the DagBag
> ---------------------------------------
>
>                 Key: AIRFLOW-4760
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-4760
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: models
>    Affects Versions: 1.10.1, 1.10.2, 1.10.3, 1.10.4, 2.0.0
>            Reporter: Dan MacTough
>            Assignee: Dan MacTough
>            Priority: Major
>             Fix For: 1.10.4
>
>         Attachments: 2019-06-07-ghosting-before.gif
>
>
> AIRFLOW-2900 introduced a change that broke Airflow whenever it tries to reprocess a packaged DAG. Since that change, the {{fileloc}} column in the database for packaged DAGs isn't an actual filepath. It looks something like: {{/usr/local/airflow/dags/package.zip/my_dag.py}} -- *notice that the path to the DAG inside the zip is appended to the zip file's path*. Then, when the {{DagBag#process_file}} method tries to load that filepath, it bails because that filepath is invalid.
>  
> Steps to reproduce:
>  
>  # Add a packaged DAG to your DAGS_FOLDER
>  # From the main /admin UI, click on the DAG to open it's detail view
>  # Click the "Refresh" button
>  
> What should happen:
> The detail view should refresh and display a "flash" message saying that the DAG is "fresh as a daisy."
>  
> What actually happens:
> The app redirects to the main /admin UI and displays a "flash" error message in addition to the "fresh as a daisy" message.
>  
> See animated GIF, attached.



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