This is a django configuration issue. I don’t understand why this case (it is very common, obviously) is not handled in the LAVA documentation explicitly. There is a short hint, though, here:

https://validation.linaro.org/static/docs/v2/pipeline-debug.html#using-local...

You have to add these two variables to /etc/lava-server/settings.conf:

"CSRF_COOKIE_SECURE": false, "SESSION_COOKIE_SECURE": false

I achieved this using the following commands:

sudo apt-get install jq jq '.CSRF_COOKIE_SECURE=false | .SESSION_COOKIE_SECURE=false' /etc/lava-server/settings.conf > /tmp/settings.conf && mv /tmp/settings.conf /etc/lava-server/settings.conf sudo chown root:root /etc/lava-server/settings.conf sudo service lava-server-gunicorn restart

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