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fabfile.py
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Sun, Mar 22, 12:57 AM

fabfile.py
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from __future__ import with_statement
from fabric.api import *
from fabric.contrib.console import confirm
from fabric.colors import *
import time
# globals
env.colors = True
env.format = True
env.release = time.strftime('%Y%m%d%H%M%S')
# variables
env.hosts = ['root@web0.diashosp.grnet.gr']
env.path = '/var/www/web_portal'
env.deploy_user = 'www-data'
env.deploy_group = 'www-data'
def test():
with settings(warn_only=True):
result = local('echo ./manage.py test my_app', capture=True)
if result.failed and not confirm("Tests failed. Continue anyway?"):
abort("Aborting at user request.")
def commit():
local("git add -p && git commit")
def push():
local("git push")
def get_code():
print(green("Starting code update"))
with settings(warn_only=True):
if run("test -d %s" % code_dir).failed:
run("git clone https://github.com/piwik/piwik.git %s" % path)
run("git pull")
with cd(env.path):
run("git pull")
run("echo touch app.wsgi")
def deploy():
print green('>> Starting deploy')
local('git archive --format=tar master | gzip > %(release)s.tar.gz' % env)
upload_tar_from_git()
symlink_current_release()
service_restart()
def prepare_deploy():
test()
commit()
push()
def stop_service():
print yellow('>>> Stopping HTTP service')
run("service apache2 stop")
def start_service():
print yellow('>>> Starting HTTP service')
run("service apache2 start")
def db_migrate():
# There are no database migrations for DIAS web_portal
print yellow('>>> Starting Database Migrations')
pass
def update_config():
# This is temporary until the git code doesn't contain configs any more
# configs should be handled by puppet
print yellow('>>> Updating configuration files')
put('configs/db_connect.php', '%(path)s/releases/current/web_portal/secure' % env)
put('configs/jboss_config.xml', '%(path)s/releases/current/web_portal/secure/include' % env)
put('configs/memcached_config.xml', '%(path)s/releases/current/web_portal/secure/include' % env)
pass
def fix_permissions():
print yellow('>>> Fixing permissions')
run("chown -R %(deploy_user)s:%(deploy_group)s %(path)s/releases/current" % env )
def run_puppet():
print yellow('>>> Run puppet')
#run("puppetd -tv", warn_only=True)
pass
def upload_tar_from_git():
print yellow('>>> uploading .tar.gz package from this host\'s @master branch')
run("mkdir -p %(path)s/releases/%(release)s" % env )
run('mkdir -p %(path)s/packages' % env)
put('%(release)s.tar.gz' % env, '%(path)s/packages/' % env)
run('cd %(path)s/releases/%(release)s && tar zxf ../../packages/%(release)s.tar.gz' % env)
def symlink_current_release():
print yellow('>>> updating releases/current to point at {path}/releases/{release}').format(**env)
with cd(env.path):
with settings(warn_only=True):
run('rm -f releases/previous')
run('mv releases/current releases/previous')
run('ln -s %(release)s releases/current' % env)
def service_restart():
stop_service()
update_config()
run_puppet()
db_migrate()
fix_permissions()
start_service()
def list_versions():
with cd(env.path):
run('ls -l releases/', warn_only=True)
def get_current():
with cd(env.path):
run('ls -l releases/current', warn_only=True)
def get_previous():
with cd(env.path):
run('ls -l releases/previous', warn_only=True)
def rollback_to_version(version):
env.version = version
env.release = version
print yellow('>>> updating releases/current to point at {path}/releases/{version}').format(**env)
with cd(env.path):
run('rm -f releases/previous', warn_only=True)
run('cp -avp releases/current releases/last_current', warn_only=True)
run('mv releases/current releases/previous', warn_only=True)
run('ln -s %(version)s releases/current' % env)
run('rm -rf releases/last_current', warn_only=True)
service_restart()
def rollback():
print yellow('>>> updating releases/current to point at the version previously deployed on this server').format(**env)
with cd(env.path):
run("cp -avp releases/current releases/previous_new")
run("rm -f releases/current")
run("mv releases/previous releases/current")
run("mv releases/previous_new releases/previous")
service_restart()

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