-from fabric.api import run, env, cd
+from __future__ import with_statement # needed for python 2.5
+from fabric.api import *
+from fabric.contrib.files import upload_template
+import os
+
+
+# ==========
+# = Config =
+# ==========
+# Globals
+env.project_name = 'platforma'
+env.use_south = False
+
+# Servers
def staging():
- '''Add staging server to hosts'''
- env.hosts += ['platforma@stigma.nowoczesnapolska.org.pl:2222']
+ """Use staging server"""
+ env.hosts = ['stigma.nowoczesnapolska.org.pl:2222']
+ env.user = 'zuber'
+ env.path = '/var/services/platforma'
+ env.python = '/usr/bin/python'
+ env.virtualenv = '/usr/bin/virtualenv'
+ env.pip = '/usr/bin/pip'
+
+def production():
+ """Use production server"""
+ env.hosts = ['wolnelektury.pl:22123']
+ env.user = 'fundacja'
+ env.path = '/opt/lektury/platforma'
+ env.python = '/opt/lektury/basevirtualenv/bin/python'
+ env.virtualenv = '/opt/lektury/basevirtualenv/bin/virtualenv'
+ env.pip = '/opt/lektury/basevirtualenv/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 --no-site-packages .;' % 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 server'''
- with cd('platforma'):
- run('git pull')
- run('./project/manage.py syncdb')
+ """
+ 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_pybundle()
+ install_requirements()
+ upload_wsgi_script_sample()
+ symlink_current_release()
+ migrate()
+ 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 master branch and upload it"
+ print '>>> upload tar from git'
+ require('release', provided_by=[deploy])
+ local('git archive --format=tar master | gzip > %(release)s.tar.gz' % 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 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 . requirements.pybundle' % env)
+
+def upload_pybundle():
+ "Create pybundle with required libraries and upload it"
+ print ">>> upload pybundle"
+ require('release', provided_by=[deploy])
+ with settings(warn_only=True):
+ pip_options = run('cat %(path)s/releases/%(release)s/pip-options.txt' % env)
+ if pip_options.failed:
+ env.pip_options = ''
+ else:
+ env.pip_options = pip_options
+
+ requirements_mtime = os.path.getmtime('requirements.txt')
+ bundle_mtime = 0
+ try:
+ bundle_mtime = os.path.getmtime('requirements.pybundle')
+ except os.error:
+ pass
+
+ if requirements_mtime > bundle_mtime:
+ local('pip bundle requirements.pybundle %(pip_options)s -r requirements.txt' % env)
+ put('requirements.pybundle', '%(path)s' % env)
+
+def upload_wsgi_script_sample():
+ "Create and upload a wsgi script sample"
+ print ">>> upload wsgi script sample"
+ print dict(env)
+ upload_template('%(project_name)s.wsgi.template' % env, '%(path)s/%(project_name)s.wsgi.sample' % env, context=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('../../../bin/python manage.py syncdb --noinput' % env, pty=True)
+ if env.use_south:
+ run('../../../bin/python manage.py migrate' % env, pty=True)
+
+def restart_webserver():
+ "Restart the web server"
+ print '>>> restart webserver'
+ run('touch %(path)s/releases/current/%(project_name)s/%(project_name)s.wsgi' % env)
fnp / redakcja.git / blobdiff