1 from __future__ import with_statement # needed for python 2.5
2 from fabric.api import *
3 from fabric.contrib import files
12 env.project_name = 'wolnelektury'
17 """Use staging server"""
18 env.hosts = ['stigma.nowoczesnapolska.org.pl:2222']
19 env.user = 'platforma'
20 env.path = '/var/services/wolnelektury'
21 env.python = '/usr/bin/python'
22 env.virtualenv = '/usr/bin/virtualenv'
23 env.pip = '/usr/bin/pip'
26 """Use production server"""
27 env.hosts = ['wolnelektury.pl:22123']
29 env.path = '/opt/lektury/wolnelektury'
30 env.python = '/opt/lektury/basevirtualenv/bin/python'
31 env.virtualenv = '/opt/lektury/basevirtualenv/bin/virtualenv'
32 env.pip = '/opt/lektury/basevirtualenv/bin/pip'
39 "Run the test suite and bail out if it fails"
40 require('hosts', 'path', provided_by=[staging, production])
41 result = run('cd %(path)s/%(project_name)s; %(python)s manage.py test' % env)
45 Setup a fresh virtualenv as well as a few useful directories, then run
46 a full deployment. virtualenv and pip should be already installed.
48 require('hosts', 'path', provided_by=[staging, production])
50 run('mkdir -p %(path)s; cd %(path)s; %(virtualenv)s --no-site-packages .;' % env, pty=True)
51 run('cd %(path)s; mkdir releases; mkdir shared; mkdir packages;' % env, pty=True)
52 run('cd %(path)s/releases; ln -s . current; ln -s . previous' % env, pty=True)
57 Deploy the latest version of the site to the servers,
58 install any required third party modules,
59 install the virtual host and then restart the webserver
61 require('hosts', 'path', provided_by=[staging, production])
64 env.release = time.strftime('%Y-%m-%dT%H%M')
69 install_requirements()
71 symlink_current_release()
75 def deploy_version(version):
76 "Specify a specific version to be made live"
77 require('hosts', 'path', provided_by=[localhost,webserver])
80 run('rm releases/previous; mv releases/current releases/previous;', pty=True)
81 run('ln -s %(version)s releases/current' % env, pty=True)
86 Limited rollback capability. Simple loads the previously current
87 version of the code. Rolling back again will swap between the two.
89 require('hosts', provided_by=[staging, production])
92 run('mv releases/current releases/_previous;', pty=True)
93 run('mv releases/previous releases/current;', pty=True)
94 run('mv releases/_previous releases/previous;', pty=True)
98 # =====================================================================
99 # = Helpers. These are called by other functions rather than directly =
100 # =====================================================================
101 def upload_tar_from_git():
102 "Create an archive from the current Git branch and upload it"
103 print '>>> upload tar from git'
104 require('release', provided_by=[deploy])
105 local('git-archive-all.sh --format tar %(release)s.tar' % env)
106 local('gzip %(release)s.tar' % env)
107 run('mkdir -p %(path)s/releases/%(release)s' % env, pty=True)
108 run('mkdir -p %(path)s/packages' % env, pty=True)
109 put('%(release)s.tar.gz' % env, '%(path)s/packages/' % env)
110 run('cd %(path)s/releases/%(release)s && tar zxf ../../packages/%(release)s.tar.gz' % env, pty=True)
111 local('rm %(release)s.tar.gz' % env)
113 def upload_vhost_sample():
114 "Create and upload Apache virtual host configuration sample"
115 print ">>> upload vhost sample"
116 files.upload_template('%(project_name)s.vhost.template' % env, '%(path)s/%(project_name)s.vhost.sample' % env, context=env)
118 def upload_wsgi_script():
119 "Create and upload a wsgi script sample"
120 print ">>> upload wsgi script sample"
121 files.upload_template('%(project_name)s.wsgi.template' % env, '%(path)s/%(project_name)s.wsgi' % env, context=env)
122 run('chmod ug+x %(path)s/%(project_name)s.wsgi' % env)
124 def install_requirements():
125 "Install the required packages from the requirements file using pip"
126 print '>>> install requirements'
127 require('release', provided_by=[deploy])
128 run('cd %(path)s; %(pip)s install -E . -r %(path)s/releases/%(release)s/requirements.txt' % env, pty=True)
130 def copy_localsettings():
131 "Copy localsettings.py from root directory to release directory (if this file exists)"
132 print ">>> copy localsettings"
133 require('release', provided_by=[deploy])
134 require('path', provided_by=[staging, production])
136 with settings(warn_only=True):
137 run('cp %(path)s/localsettings.py %(path)s/releases/%(release)s/%(project_name)s' % env)
139 def symlink_current_release():
140 "Symlink our current release"
141 print '>>> symlink current release'
142 require('release', provided_by=[deploy])
143 require('path', provided_by=[staging, production])
145 run('rm releases/previous; mv releases/current releases/previous')
146 run('ln -s %(release)s releases/current' % env)
149 "Update the database"
151 require('project_name', provided_by=[staging, production])
152 with cd('%(path)s/releases/current/%(project_name)s' % env):
153 run('../../../bin/python manage.py syncdb --noinput' % env, pty=True)
155 run('../../../bin/python manage.py migrate' % env, pty=True)
157 def restart_webserver():
158 "Restart the web server"
159 print '>>> restart webserver'
160 run('touch %(path)s/releases/current/%(project_name)s/%(project_name)s.wsgi' % env)