my fabfile example

fabfile.py

import os.path
from fabric.api import run, env, put
from fabric.context_managers import cd
from fabric.api import local
from datetime import datetime
from cuisine import *


ROOT_PATH = os.path.dirname(__file__)

env.user = 'deploy'
env.password = ''
env.hosts = ['www.myaudiocast.com']
env.PROJECT_PATH = '/home/deploy/projects/myaudiocast/myaudiocast/'

def setup():
    package_ensure('build-essential')
    package_ensure('python-dev')
    package_ensure('python-setuptools')
    package_ensure('libxml2-dev')
    package_ensure('libjpeg62-dev')
    package_ensure('libmysqlclient-dev')
    package_ensure('libfreetype6-dev')
    package_ensure('libmemcache-dev')
    package_ensure('unzip')

    user_ensure('deploy', env.password, shell='/bin/bash')

    sudo('easy_install pip')
    sudo('pip install virtualenv virtualenvwrapper mercurial')


def deploy():
    if not dir_exists('/home/deploy/myaudiocast/'):
        run('virtualenv myaudiocast')

    #rev = str(local('git log --pretty=format:"%h" -1', True))
    rev = datetime.now().strftime('%Y%m%d%H%M%S')

    release_dir = '/home/deploy/myaudiocast/releases/'
    dir_ensure(release_dir)

    # upload source
    local('git archive --format zip -o latest.zip HEAD')
    put('latest.zip', release_dir)
    local('rm latest.zip')
    with cd('/home/deploy/myaudiocast/releases/'):
        run('unzip latest.zip -d {rev}'.format(rev=rev))
        run('rm latest.zip')

    # create symblink
    with cd('/home/deploy/myaudiocast/'):
        if file_exists('/home/deploy/myaudiocast/myaudiocast'):
            run('rm myaudiocast')
        run('ln -nsf releases/{0} myaudiocast'.format(rev))

    #
    with cd('/home/deploy/myaudiocast/myaudiocast/'):
        run('source /home/deploy/myaudiocast/bin/activate; pip install -r requirements.txt')


    with cd('/home/deploy/myaudiocast/myaudiocast/'):
        production()
        run('mv myaudiocast/settings.py myaudiocast/local_settings.py')
        put(env.settings_file, '/home/deploy/myaudiocast/myaudiocast/myaudiocast/settings.py')
        run('source /home/deploy/myaudiocast/bin/activate; python manage.py syncdb')
        run('source /home/deploy/myaudiocast/bin/activate; python manage.py migrate')
        run('source /home/deploy/myaudiocast/bin/activate; python manage.py collectstatic --noinput -v0')

    restart()


def production(branch='production'):
    env.settings_file = os.path.join(ROOT_PATH, 'conf/production_settings.py')
    env.BRANCH = branch


def restart():
    run('touch /tmp/myaudiocast.reload')

def pip(package):
    with cd(env.PROJECT_PATH):
        run('pip install -E .. ' + package)