X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/4dae2117bd399c1076973d325c6425e79fda1220..00a90d6175599e055f5a84697c8388d81ac1b007:/fabfile.py diff --git a/fabfile.py b/fabfile.py index 39b95822..399f1c2f 100644 --- a/fabfile.py +++ b/fabfile.py @@ -1,18 +1,218 @@ -from fabric.api import run, env, cd +from __future__ import with_statement # needed for python 2.5 +from fabric.api import * +from fabric.contrib import files +import os +import time + +# ========== +# = Config = +# ========== +# Globals +env.project_name = 'platforma' +env.use_south = True +env.giturl = "git://github.com/fnp/redakcja.git" + + +# Servers def staging(): - '''Add staging server to hosts''' - env.hosts = ['platforma@stigma.nowoczesnapolska.org.pl:2222'] - env.project_dir = '/home/platforma/platforma' + """Use staging server""" + env.hosts = ['stigma.nowoczesnapolska.org.pl:2222'] + env.user = 'platforma' + env.path = '/var/services/platforma' + env.python = '/usr/bin/python' + env.virtualenv = '/usr/bin/virtualenv' + env.pip = '/usr/bin/pip' + env.gitbranch = "staging" + common() + + +def production(): + """Use production server""" + env.hosts = ['szo.nowoczesnapolska.org.pl:2225'] + env.user = 'librarian' + env.gitbranch = 'master' + env.sandbox = '/srv/library-in-a-box/sandbox/' + env.virtualenv = os.path.join(env.sandbox, 'bin', 'virtualenv') + + env.pip = os.path.join(env.sandbox, 'python', 'bin', 'pip') + env.python = os.path.join(env.sandbox, 'python', 'bin', 'python') + common() + + +def common(): + env.path = os.path.join(env.sandbox, env.project_name) + env.target = os.path.join(env.path, 'bin', 'python') + + +# ========= +# = 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', 'sandbox', provided_by=[staging, production]) + + run("mkdir -p %(path)s; mkdir -p %(path)s/www/wsgi; mkdir -p %(path)s/www/media" % env) + + # make a git mirror + run("""cd %(path)s; +git clone %(giturl)s mirror; +cd %(path)s/mirror; +git pull""" % env, pty=True) + + run('%(virtualenv)s %(path)s' % env, pty=True) + run('cd %(path)s; rm -rf releases shared packages; mkdir -p releases; mkdir -p shared; mkdir -p packages;' % env, pty=True) + + # symlink static content + run("""cd %(path)s/www/media; +ln -sf %(path)s/releases/current/%(project_name)s/static static +ln -sf %(path)s/lib/python2.6/site-packages/django/contrib/admin/media admin-media +mkdir -p dynamic +""" % env) + + run('cd %(path)s/releases; ln -s . current; ln -s . previous' % env, pty=True) + + deploy() + def deploy(): - '''Deploy server''' - with cd(env.project_dir): - run('git pull') - run('./project/manage.py syncdb') - restart_server() + """ + 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', 'sandbox', 'gitbranch', provided_by=[staging, production]) + + env.release = time.strftime('%Y-%m-%dT%H%M') + + prepare_package_from_git() + + upload_wsgi_script() +# upload_vhost_sample() + install_requirements() + hardlink_localsettings() + symlink_current_release() + migrate() + django_compress() + 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 prepare_package_from_git(): + "Create an archive from the current Git master branch and upload it" + print '>>> upload tar from git' + + require('release', provided_by=[deploy]) + + run('mkdir -p %(path)s/releases/%(release)s' % env, pty=True) + run('mkdir -p %(path)s/packages' % env, pty=True) + run('cd %(path)s/mirror; git pull; git archive --format=tar %(gitbranch)s | gzip > %(path)s/packages/%(release)s.tar.gz' % env) + run('cd %(path)s/releases/%(release)s && tar zxf ../../packages/%(release)s.tar.gz' % env, pty=True) + + +#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/config/%(project_name)s.wsgi.template' % env, '%(path)s/www/wsgi/%(project_name)s.wsgi' % env, context=env) + run('chmod ug+x %(path)s/www/wsgi/%(project_name)s.wsgi' % env) + + +def install_requirements(): + "Install the required packages from the requirements file using pip" + + print '>>> Instaling global requirements' + require('release', provided_by=[deploy]) + run('cd %(path)s; %(path)s/bin/pip install -r %(path)s/releases/%(release)s/%(project_name)s/config/requirements.txt' % env, pty=True) + + print '>>> Instaling site requirements' + + with settings(warn_only=True): + run('cd %(path)s; %(path)s/bin/pip install -r %(sandbox)s/etc/%(project_name)s/requirements.txt' % env, pty=True) + + +def hardlink_localsettings(): + "Hardlink localsettings.py from root directory to release directory (if this file exists)" + print ">>> Hardlink localsettings" + require('release', 'path', provided_by=[deploy]) + require('sandbox', provided_by=[staging, production]) + + # hardlink localsettings + with settings(warn_only=True): + run('ln %(sandbox)s/etc/%(project_name)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('%(target)s manage.py syncdb --noinput' % env, pty=True) + + if env.use_south: + run('%(target)s manage.py migrate' % env, pty=True) + + +def django_compress(): + "Update static files" + print '>>> migrate' + require('project_name', provided_by=[staging, production]) + with cd('%(path)s/releases/current/%(project_name)s' % env): + run('%(target)s manage.py synccompress --force' % env, pty=True) -def restart_server(): - with cd(env.project_dir): - run('touch project/dispatch.wsgi') +def restart_webserver(): + "Restart the web server" + print '>>> restart webserver' + run('touch %(path)s/www/wsgi/%(project_name)s.wsgi' % env)