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mistral/doc/source/contributor/troubleshooting.rst

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Troubleshooting And Debugging

Mistral-Dashboard debug instructions

Pycharm

Debugging OpenStack Mistral-Dashboard is the same as debugging OpenStack Horizon. The following instructions should get you sorted to debug both on the same run.

Set PyCharm debug settings:

  1. Under File > Settings > Languages and Framework > Django - Enter the following:
  1. Check "Enable Django Support"
  2. Django project root: your file system path to Horizon project root
  3. Settings: openstack_dashboard/settings.py (under your Horizon folder)
  4. Manage script: manage.py (also in your horizon folder)
  5. Click OK

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  1. Enter debug configurations menu, using the tiny arrow pointing down, left to the "play" icon, or under the run menu

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  1. In the new window, click the green plus icon and then select "Django server" to create a new Django Server configuration.
  2. In the new window appeared:
  1. Name that configuration Horizon
  2. Enter some port so it won't run on the default (for example - port: 4000)

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  1. Click on Environment variables button, then in the new window:
  1. Make sure you have PYTHONUNBUFFERED set as 1
  2. Create a new pair - DJANGO_SETTINGS_MODULE : openstack_dashboard.settings
  3. When finished click OK.

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You should now be able to debug and run the project using PyCharm. PyCharm will listen to any changes you make and restart the Horizon server automatically.

Note: When executing the project via PyCharm Run / Debug, you could get an error page after trying to login: "Page not found (404)". To resolve that - remove the port from the browser URL bar, then login. You should be able to login without it. After a successful login bring the port back - it will continue your session.

Further notes

  • If you need help with PyCharm and general debugging, please refer to: JetBrains PyCharm developer guide

  • If you would like to manually restart the apache server, open a terminal and run:

    $ sudo service apache2 restart

    (if not under Ubuntu, replace "sudo" with an identical command)