- env.path = '/srv/wolnelektury.pl'
- env.python = '/usr/bin/python'
- env.virtualenv = '/usr/bin/virtualenv'
- env.pip = 've/bin/pip'
-
-# =========
-# = Tasks =
-# =========
-def test():
- "Run the test suite and bail out if it fails"
- require('hosts', 'path', provided_by=[staging, production])
- result = run('cd %(path)s/%(project_name)s; %(python)s manage.py test' % env)
-
-def setup():
- """
- Setup a fresh virtualenv as well as a few useful directories, then run
- a full deployment. virtualenv and pip should be already installed.
- """
- require('hosts', 'path', provided_by=[staging, production])
-
- run('mkdir -p %(path)s; cd %(path)s; %(virtualenv)s .;' % env, pty=True)
- run('cd %(path)s; mkdir releases; mkdir shared; mkdir packages;' % env, pty=True)
- run('cd %(path)s/releases; ln -s . current; ln -s . previous' % env, pty=True)
- deploy()
-
-def deploy():
- """
- Deploy the latest version of the site to the servers,
- install any required third party modules,
- install the virtual host and then restart the webserver
- """
- require('hosts', 'path', provided_by=[staging, production])
-
- import time
- env.release = time.strftime('%Y-%m-%dT%H%M')
-
- upload_tar_from_git()
- upload_wsgi_script()
- upload_vhost_sample()
- upload_celery_conf()
- install_requirements()
- copy_localsettings()
- symlink_current_release()
- migrate()
- collectstatic()
- restart_webserver()
-
-def deploy_version(version):
- "Specify a specific version to be made live"
- require('hosts', 'path', provided_by=[localhost,webserver])
- env.version = version
- with cd(env.path):
- run('rm releases/previous; mv releases/current releases/previous;', pty=True)
- run('ln -s %(version)s releases/current' % env, pty=True)
- restart_webserver()
-
-def rollback():
- """
- Limited rollback capability. Simple loads the previously current
- version of the code. Rolling back again will swap between the two.
- """
- require('hosts', provided_by=[staging, production])
- require('path')
- with cd(env.path):
- run('mv releases/current releases/_previous;', pty=True)
- run('mv releases/previous releases/current;', pty=True)
- run('mv releases/_previous releases/previous;', pty=True)
- restart_webserver()
-
-
-# =====================================================================
-# = Helpers. These are called by other functions rather than directly =
-# =====================================================================
-def upload_tar_from_git():
- "Create an archive from the current Git branch and upload it"
- print '>>> upload tar from git'
- require('release', provided_by=[deploy])
- local('git-archive-all.sh --format tar %(release)s.tar' % env)
- local('gzip %(release)s.tar' % env)
- run('mkdir -p %(path)s/releases/%(release)s' % env, pty=True)
- run('mkdir -p %(path)s/packages' % env, pty=True)
- 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, pty=True)
- local('rm %(release)s.tar.gz' % env)
-
-def upload_vhost_sample():
- "Create and upload Apache virtual host configuration sample"
- print ">>> upload vhost sample"
- files.upload_template('%(project_name)s.vhost.template' % env, '%(path)s/%(project_name)s.vhost.sample' % env, context=env)
-
-def upload_wsgi_script():
- "Create and upload a wsgi script sample"
- print ">>> upload wsgi script sample"
- files.upload_template('%(project_name)s.wsgi.template' % env, '%(path)s/%(project_name)s.wsgi' % env, context=env)
- run('chmod ug+x %(path)s/%(project_name)s.wsgi' % env)
-
-def upload_celery_conf():
- "Create and upload a Celery conf for supervisord"
- print ">>> upload celery supervisord conf"
- files.upload_template('%(project_name)s-celery.conf.template' % env, '%(path)s/%(project_name)s-celery.conf' % env, context=env)
- run('chmod ug+x %(path)s/%(project_name)s-celery.conf' % env)
-
-def install_requirements():
- "Install the required packages from the requirements file using pip"
- print '>>> install requirements'
- require('release', provided_by=[deploy])
- run('cd %(path)s; %(pip)s install -E ve -r %(path)s/releases/%(release)s/requirements.txt' % env, pty=True)
-
-def copy_localsettings():
- "Copy localsettings.py from root directory to release directory (if this file exists)"
- print ">>> copy localsettings"
- require('release', provided_by=[deploy])
- require('path', provided_by=[staging, production])
-
- with settings(warn_only=True):
- run('cp %(path)s/localsettings.py %(path)s/releases/%(release)s/%(project_name)s' % env)
-
-def symlink_current_release():
- "Symlink our current release"
- print '>>> symlink current release'
- require('release', provided_by=[deploy])
- require('path', provided_by=[staging, production])
- with cd(env.path):
- run('rm releases/previous; mv releases/current releases/previous')
- run('ln -s %(release)s releases/current' % env)
-
-def migrate():
- "Update the database"
- print '>>> migrate'
- require('project_name', provided_by=[staging, production])
- with cd('%(path)s/releases/current/%(project_name)s' % env):
- run('../../../ve/bin/python manage.py syncdb --noinput' % env, pty=True)
- if env.use_south:
- run('../../../ve/bin/python manage.py migrate' % env, pty=True)
fnp / wolnelektury.git / blobdiff