Metrics to Mattermost API

TL;DR

• Install virtualenv
  • apt-get install python3-venv
  • python3 -m venv flask
  • source flask/bin/activate
  • pip install -r requirements.txt
• copy config.py.example to config.py and modify to your liking.
• run FLASK_APP=app FLASK_ENV=development flask run --host=0.0.0.0 terminal/screen/tmux and look at your debug output
• ...
• profit!(?)

Installation for production

• Install Gunicorn
• Modify systemd/gunicorn.service and copy it to /etc/systemd/system/gunicorn.service
• copy systemd/gunicorn.socket to /etc/systemd/system/gunicorn.socket
• Modify systemd/gunicorn.conf and copy it to /etc/tmpfiles.d/gunicorn.conf and run systemd-tmpfiles --create
• Run systemctl daemon-reload and systemctl enable gunicorn.service and systemctl start gunicorn to get it running.
• Create a nginx config

Nginx config, I use /transformer as the base, feel free to change it to / if it's in your root.

    location /transformer {
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header X-Forwarded-Proto $scheme;
      proxy_set_header Host $http_host;
      # we don't want nginx trying to do something clever with
      # redirects, we set the Host: header above already.
      proxy_redirect off;
      proxy_pass http://unix:/run/gunicorn/api-transformer.socket:/;
    }