fabfile.py

#!/usr/bin/env python
#
# Copyright (c) 2013 Piston Cloud Computing, Inc.
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
from fabric.api import env, roles, run, cd

# Define sets of servers as roles
env.roledefs = {
    'web': ['refstack.org'],
}

# Set the user to use for ssh
env.user = 'refstack'

@roles('web')
def get_version():
    run('cat /etc/issue')
    
    
@roles('web')
def deploy():
    with cd('/var/www/refstack'):
        run('git checkout master')
        run('git pull')
        run('sudo pip install -r requirements.txt')
        run('alembic upgrade head')
        run('sudo uwsgi --reload /tmp/project-master_refstack.pid')