fabfile.py

from fabric.api import *
from fabric.contrib import files
import sys, platform, subprocess
from os.path import join
from argparse import ArgumentError

env.hosts = ['your_username@yourhost:yourport']
env.web_path = '/var/www/django'
env.log_root ='/var/log/apache'
env.project = 'lanthanum'

@task
def develop():
	try:
		with prefix('source bin/activate'):
			env.staticdir = join(env.project,"static")
			coffee = subprocess.Popen("coffee --output js --watch --compile coffee",
						stdout=sys.stdout, stderr=sys.stderr, shell=True, cwd=env.staticdir)
			compass = subprocess.Popen("compass watch .",
						stdout=sys.stdout, stderr=sys.stderr, shell=True, cwd=env.staticdir)
			local('python %(project)s/manage.py runserver' %env)
	except KeyboardInterrupt:
		coffee.kill() ; compass.kill()

@task
def bootstap_dev():
	""" Bootstrap your local development environment """
	local('virtualenv --distribute .')
	with prefix('Scripts\\activate.bat' if platform.system()=="Windows" else 'source bin/activate'):
		local('pip install -r requirements.txt')
		local(join('python %(project)s','manage.py syncdb --all') % env)
		local(join('python %(project)s','manage.py migrate --fake') % env)
		print """
To fully install all dependencies, please use your local package
manager to install coffee-script and compass framework.
"""

@task
def bootstrap(hostname, path=env.web_path, **kwargs):
	""" Creates a virtualhost instance on the box you specify 
		`fab -H server1,server2 bootstrap:lanthanum.example.com[,deploy_options...]` """

	run('mkdir -p %(path)s/%(hostname)s/' % locals())
	with cd('%(path)s/%(hostname)s/' % locals()):
		run('git init .')
		run('virtualenv --distribute .')
	
	locals().update(kwargs)
	deploy(**locals()) # deploy script takes care of the rest
	files.upload_template('apache.conf', apache_conf_path+hostname,
							context=locals(), mode=0644, use_sudo=True)

@task
def deploy(hostname, ref='master', path=env.web_path, apache_conf_path=None, distro=None, \
			log_root=env.log_root, thread_count=2, process_count=4):
	""" `fab -H server1,server2 deploy:narwhal.example.com` """
	if not apache_conf_path: apache_conf_path=find_apache_path(distro)

	local('git push -f ssh://%(host_string)s/%(path)s/%(hostname)s/ %(ref)s' % locals())
	with cd('%(path)s/%(hostname)s' % locals()), \
			prefix('Scripts\\activate.bat' if platform.system()=="Windows" else 'source bin/activate'):
		run('git checkout -f %(ref)s' % locals())
		run('pip install -r requirements.txt')
		with cd(env.project):
			run('./manage.py collectstatic --noinput')
			run('./manage.py syncdb')
			run('./manage.py migrate')
			run('touch serve.wsgi') # restart the wsgi process

@task
def deploy_epio(appname):
    """ fab deploy_epio:appname """
    with lcd(env.project), prefix('Scripts\\activate.bat' if platform.system()=="Windows" else 'source bin/activate'):
        local('python manage.py collectstatic --noinput')
        local( ('mklink /D %(link)s %s(target)' if platform.system()=="Windows" else 'ln -s %(target)s %(link)s') \
                    % { 'link':'narwhal', 'target':'../narwhal' })
        local('python manage.py build_solr_schema > solr_schema.xml')
        local('epio upload -a %(appname)s'%locals())
        local('epio django syncdb -a %(appname)s'%locals())
        local('epio django migrate -a %(appname)s'%locals())
        local('epio django rebuild_index')


#-------- Utils ----------

def _join(*args):
    return "/".join(args)

def find_apache_path(distro):
    if not distro:
        distro = run('python -c "import platform; print platform.dist()[0]"')
    if distro in ('debian', 'ubuntu'):
        return '/etc/apache2/sites-enabled/'
    else:
        raise ArgumentError('Cannot automatically determine apache_conf_path')