Fabfile example

fabfile.py

from fabric.api import env, run as fabric_run
from fabric.contrib.project import rsync_project

env.app_path = '/home/backend'
env.user = 'circle'

env.use_ssh_config = True
env.disable_knodwn_hosts = True
env.colorize_errors = True

def run(cmd, *args, **kwargs):
    fabric_run('cd %s && %s' % (env.app_path, cmd), *args, **kwargs)


def run_in_venv(cmd):
    run('cd %s && . venv/bin/activate && %s' % (env.app_path, cmd))


def manage_py(*args):
    run_in_venv('cd src && ./manage.py %s' % ' '.join(args))


def upload():
    return rsync_project(
        local_dir='src/',
        remote_dir=env.app_path + '/src/',
        delete=True,
        exclude=[
            '.git',
            '.env',
            '__pycache__',
            '*.pyc',
            'celerybeat-schedule',
            'celerybeat.pid',
        ],
        extra_opts='--links --omit-dir-times',
    )

def deploy():
    upload()

    run_in_venv('pip install -r src/requirements.txt')  # install new requirements

    manage_py('migrate', '--noinput')
    manage_py('compilemessages')
    manage_py('remove_stale_contenttypes', '--noinput')

    manage_py('collectstatic', '--noinput', '--clear')

    run('touch reload')  # tell uwsgi to reload application code

    # restart background celery workers
    run('sudo /usr/bin/supervisorctl restart default-worker')
    run('sudo /usr/bin/supervisorctl restart beat')