Upstart script for python apps

example_python_app.conf

# vim: filetype=upstart

env UWSGI_BIN=/home/ubuntu/www/example_app/current/venv/bin/uwsgi
env PYTHONPATH=/home/ubuntu/www/example_app/current
env NEW_RELIC_CONFIG_FILE=/etc/newrelic/newrelic.ini
env NEW_RELIC_ADMIN=/usr/local/bin/newrelic-admin

expect fork
umask 0000

start on runlevel [2345]
stop on runlevel [!2345]

script
  exec $NEW_RELIC_ADMIN run-program $UWSGI_BIN --single-interpreter \
  --enable-threads --master --socket /tmp/example_app.sock \
  --socket 0.0.0.0:1719 --disable-logging --reload-on-exception \
  --pp $PYTHONPATH -H $PYTHONPATH/venv \
  -w app:app --buffer-size 32768 -p 14 -O 2 \
  >>/var/log/example_app.log 2>&1 &
end script

uwsgi_python_app.conf

description "uWSGI server for Python Apps"

start on runlevel [2345] # start on all runlevels.
stop on runlevel [!2345] # stop when shutting down.

expect fork
umask 0000
respawn # respawn if job crashes or is stopped ungracefully.

env UWSGI_BIN=/home/ubuntu/www/hawk/venv/bin/uwsgi
env PYTHONPATH=/home/ubuntu/www/hawk # Parent folder where app resides

env DEPLOYMENT_TARGET=production # set any environment variables you like here.
env DJANGO_SETTINGS_FILE=conf/settings.py # more environment variables if you like.
env PYTHONPATH=/home/ubuntu/apps/my_app:/home/ubuntu/.virtualenv/my_app



script # execute this block as a script
    exec $UWSGI_BIN \ # path to the uwsgi binary
    --virtualenv /home/ubuntu/.virtualenv/my_app \ # use a virtualenv
    --chdir /home/ubuntu/apps/my_app \ # change to the directory of this application.
    --file wsgi.py \ # the location of your wsgi file.
    --touch-reload /home/ubuntu/apps/my_app/wsgi.py \ # file to touch-to-reload the application.
    --callable app \ # are you using flask or some such? you might need a callable.
    --logto /var/log/uwsgi.log \ # write to a log. make sure this exists or bad things happen.
    --die-on-term \ # if the process is terminated, kill anything left over.
    -p 1 \ # one process. you'll want 8-12 of these in production, possibly more.
    -s :9000 # listen to the network socket 9000.
end script # end the script block.