Article Fabric and Magento • http://jacques.sh/2014/09/fabric-magento.html

backup.py

@task
def backup():
    """ Backup Backup Backup """
    if not _has_tag('backup'):
        abort("Hum… What are you doing? Dude, this server is not allowed to backup!")

clean_cache.py

# Clean cache
if _has_tag('redis'):
    run('redis-cli -n 0 flushdb')

deploy.py

@task
@parallel
def deploy():
    """ Deploy Deploy Deploy """

    # Pull the sources
    with cd('/var/www/www.mon-projet.net/')
        run('git pull')

    # Clean cache
    run('redis-cli -n 0 flushdb')

    # Reindex
    with cd('/var/www/www.mon-projet.net/shell/')
        run('php indexer.php reindexall')

deploy_final.py

@task
@parallel
def deploy():
    """ Deploy Deploy Deploy """
    
    # pull the project
    if _has_tag('www'):
        with cd(_get_setting('path')):
            run('git pull')

    # clean the cache
    if _has_tag('redis'):
        run('redis-cli -n 0 flushdb')

    # reindex
    if _has_tag('database'):
        with cd(_get_setting('path') + 'shell/'):
            run('php indexer.php reindexall')

get_setting.py

def _get_setting(setting=False,host=False):
    """ Returns the host's settings (or the specified one) """
    if not host:
        host = env.host
    settings = env.settings_by_host[host]
    if not setting:
        return settings
    return settings[setting]

has_tags.py

def _has_tag(tag, host=False):
    """ Returns if the host has the tag """
    tags = _get_setting('tags', host).split(' ')
    return (tag in tags)

setting.py

# Hosts
env.hosts = ['www-data@back.mon-projet.net:22', 'www-data@front.mon-projet.net:22']

# Settings
env.settings_by_host = {
    'front.mon-projet.net': {
        'tags': 'www',
        'path': '/var/www/www.mon-projet.net/'
        },
    'back.mon-projet.net': {
        'tags': 'www redis database',
        'path': '/var/www/admin.mon-projet.net/'
        },
    }