fabfile deployment

fabfile.py

#-*- coding: utf-8 -*-

from fabric.api import *
from fabric.contrib.files import exists

from rjsmin import jsmin
from rcssmin import cssmin

import time
timestamp = int(time.time())

projectname = 'projectname'
development_ip_address = '192.168.56.24'
production_ip_addresses = ['1.2.3.4']
static_dir = '%s/static' %(projectname)

css_files = [
    'flatui/bootstrap/css/bootstrap.css',
    'flatui/bootstrap/css/prettify.css',
    'flatui/css/flat-ui.css',
    'site/style.css'
]

js_files =[
    'flatui/js/jquery-1.8.3.min.js',
    'flatui/js/jquery-ui-1.10.3.custom.min.js',
    'flatui/js/jquery.ui.touch-punch.min.js',
    'flatui/js/bootstrap.min.js',
    'flatui/js/bootstrap-select.js',
    'flatui/js/bootstrap-switch.js',
    'flatui/js/flatui-checkbox.js',
    'flatui/js/flatui-radio.js',
    'flatui/js/jquery.tagsinput.js',
    'flatui/js/jquery.placeholder.js',
    'site/app.js'
]

### Profiles ###

def development():
    env.django_settings_module = '%s.settings_development' %(projectname)

def production():
    env.user = 'ubuntu'
    env.hosts = production_ip_addresses
    env.key_filename = '/Users/omer/linux.pem'

    env.release_dir = '/home/ubuntu/%s' %(projectname)
    env.current_release_dir = '%s/%s' %(env.release_dir, timestamp)
    env.project_env_home = '/home/ubuntu/%senv' %(projectname)

    env.project_env_bin = '%s/bin' %(env.project_env_home)
    env.pip_bin = '%s/pip-2.7' %(env.project_env_bin)
    env.uwsgi_bin = '%s/uwsgi' %(env.project_env_bin)
    env.python_bin = '%s/python' %(env.project_env_bin)

    env.uwsgi_pid_file = '%s/uwsgi.pid' %(env.release_dir)
    env.uwsgi_log_file = '%s/uwsgi.log' %(env.release_dir)

    env.module_name = '%s.wsgi:application' %(projectname)
    env.django_settings_module = '%s.settings' %(projectname)

    env.nginx_vhost_file = '%s/current/production_vhost.conf' %(env.release_dir)

### TOOLS ###

def remove_pyc():
    local('find . -name "*.pyc" -exec rm -rf {} \;')

def create_archive():
    local('git archive --format=zip --output=/tmp/%s.zip master' %(timestamp))

### DEVELOPMENT ###

def dev_collectstatic():
    local('cd static && python ../manage.py collectstatic')

def dev_runserver():
    local('DJANGO_SETTINGS_MODULE=%s.settings_development python manage.py runserver %s:8080' %(
        projectname,
        development_ip_address
    ))

def dev_syncdb():
    local('DJANGO_SETTINGS_MODULE=%s.settings_development python manage.py syncdb' %(
        projectname
    ))

def dev_initial_migration():
    local('DJANGO_SETTINGS_MODULE=%s.settings_development python manage.py schemamigration %s --initial' %(
        projectname,
        projectname
    ))

def dev_check_migration():
    local('DJANGO_SETTINGS_MODULE=%s.settings_development python manage.py schemamigration %s --auto' %(
        projectname,
        projectname
    ))

def dev_migrate():
    local('DJANGO_SETTINGS_MODULE=%s.settings_development python manage.py migrate %s' %(
        projectname,
        projectname
    ))

### DEPLOYMENT ###

def minify():
    minify_files(
        css_files,
        '%s/all.min.css' %(static_dir),
        '%s/css_version.py' %(projectname)
    )

    minify_files(
        js_files,
        '%s/all.min.js' %(static_dir),
        '%s/js_version.py' %(projectname),
        is_css=False
    )

def minify_files(files, output_file, version_file, is_css=True):
    minified = ''
    for file in files:
        with open('%s/%s' %(static_dir, file)) as inputFile:
            srcText = inputFile.read()
            minified += "\n\n/*%s*/\n\n" %(file)
            if is_css:
                minified += cssmin(srcText)
            else:
                minified += jsmin(srcText)
    output = open(output_file, 'w')
    output.write(minified)
    output.close()

    version_file = open(version_file, 'w')
    version_file.write('VERSION = %s' %(timestamp))
    version_file.close()

def deploy():
    minify()
    # TODO : Burada yeni versiyon dosyaları oluştuğu için git commit metodu çalışmalı ya da uyarı verilmeli :/

    # Sunucuda gerekli kurulumları yap.
    sudo('apt-get -y install nginx python-pip python-virtualenv unzip gcc python-dev libmysqlclient-dev')
    if exists(env.project_env_home) == False:
        run('virtualenv --distribute %s' %(env.project_env_home))

    # Projeyi arşivle ve sunucuya gönder.
    create_archive()
    archive_file = '/tmp/%s.zip' %(timestamp)
    put(archive_file, archive_file)
    local('rm -rf %s' %(archive_file))

    # Proje dizinini oluştur.
    run('mkdir -p %s' %(env.current_release_dir))
    with cd(env.current_release_dir):
        run('unzip %s -d %s' %(
            archive_file,
            env.current_release_dir
        ))
        run('rm -rf %s' %(archive_file))
        run('%s install -r requirements.txt' %(env.pip_bin))

    current_dir = '%s/current' %(env.release_dir)
    run('rm -f %s' %(current_dir))
    run('ln -s %s %s' %(env.current_release_dir, current_dir))

    restart()

def restart():
    current_dir = '%s/current' %(env.release_dir)
    if exists(current_dir) == False:
        raise SystemExit('current directory not found.')

    with cd(current_dir), shell_env(DJANGO_SETTINGS_MODULE=env.django_settings_module):
        if exists(env.uwsgi_pid_file):
            if run('ls %s' %(env.uwsgi_pid_file), quiet=True).succeeded:
                try:
                    run('kill -INT `cat %s`' %(env.uwsgi_pid_file))
                    time.sleep(3)
                except SystemExit:
                    pass
            run('rm -f %s' %(env.uwsgi_pid_file))

        run('%s manage.py syncdb' %(env.python_bin))
        run('%s manage.py migrate %s' %(env.python_bin, projectname))
        run('%s --chdir=%s --module=%s --env DJANGO_SETTINGS_MODULE=%s --master --pidfile=%s --socket=127.0.0.1:8000 --processes=5 --daemonize=%s' %(
            env.uwsgi_bin,
            current_dir,
            env.module_name,
            env.django_settings_module,
            env.uwsgi_pid_file,
            env.uwsgi_log_file
        ))

    if exists('/etc/nginx/sites-enabled/default', use_sudo=True):
        sudo('rm -rf /etc/nginx/sites-enabled/default')

    sudo('rm -f /etc/nginx/sites-enabled/vhost.conf')
    sudo('ln -s %s /etc/nginx/sites-enabled/vhost.conf' %(env.nginx_vhost_file))
    sudo('service nginx restart')

production_vhost.conf

upstream django {
    server 127.0.0.1:8000;
}

server {
    listen 80;
    charset     utf-8;
    access_log  /var/log/nginx/projectname.access.log;
    error_log /var/log/nginx/projectname.error.log;

    location / {
        uwsgi_pass  django;
        include     /home/ubuntu/projectname/current/uwsgi_params;
    }
}

uwsgi_params

uwsgi_param  QUERY_STRING       $query_string;
uwsgi_param  REQUEST_METHOD     $request_method;
uwsgi_param  CONTENT_TYPE       $content_type;
uwsgi_param  CONTENT_LENGTH     $content_length;

uwsgi_param  REQUEST_URI        $request_uri;
uwsgi_param  PATH_INFO          $document_uri;
uwsgi_param  DOCUMENT_ROOT      $document_root;
uwsgi_param  SERVER_PROTOCOL    $server_protocol;
uwsgi_param  HTTPS              $https if_not_empty;

uwsgi_param  REMOTE_ADDR        $remote_addr;
uwsgi_param  REMOTE_PORT        $remote_port;
uwsgi_param  SERVER_PORT        $server_port;
uwsgi_param  SERVER_NAME        $server_name;