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fabfile.py

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An example fabfile for fabric 0.9

Publicado en: Tecnología
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fabfile.py

  1. 1. from fabric.api import * from os import path env.roledefs = { 'web': ['172.16.12.1', '172.16.12.2', '172.16.12.3',], 'media': ['172.16.12.4',], 'staging': ['172.16.12.5',], 'testing': ['192.168.56.3',], 'database': ['172.16.12.7', '172.16.12.8',], } env.site_list = [] env.root_path = '/var/websites' ### Setup environments def testing(site=None): env.hosts = env.roledefs['testing'] env.user = 'coordt' if site: get_site_list(site) def staging(site=None): env.hosts = env.roledefs['staging'] env.user = 'staginguser' if site: get_site_list(site) def production(site=None): env.hosts = env.roledefs['web'] env.user = 'produser' if site: get_site_list(site) def get_site_list(site=None): if not site: site = prompt('Please specify which site (a comma delimited list is accepted): ', validate=r'^[w-.,]+$') if isinstance(site, (tuple, list)): env.site_list = site else: env.site_list = site.split(',') ### Host Tasks def check_host(): """ Check that the host has all the required commands installed """ local("echo Checking for required commands") required_commands = ['wget', 'python', 'tar', 'gzip', 'hg', 'sudo', 'chown', 'chmod', 'patch', 'grep',] for command in required_commands: run('which %s' % command) def install_package(package): """ Install a package on a host using apt-get """
  2. 2. sudo('apt-get install %s' % package) ### Site Tasks def clean(site=None): """ Remove .pyc files from a site. Needs a site parameter specified. """ if not env.site_list: get_site_list(site) for item in env.site_list: full_path = path.join(env.root_path, item) sudo("find %s -name '*.pyc' -depth -exec rm {} ;" % full_path) def info(site=None): """ Get the current revision of a site """ if not env.site_list: get_site_list(site) for item in env.site_list: full_path = path.join(env.root_path, item) run('svn info %s | grep Revision' % full_path) def ls(site=None, flags=''): """ Get a listing of a site """ if not env.site_list: get_site_list(site) for item in env.site_list: full_path = path.join(env.root_path, item) run('ls %s %s' % (flags, full_path)) def push(rev=None, externals=False, rel_path='', site=None): """ Push out changes to all the servers. """ if not env.site_list: get_site_list(site) if not externals: ignore=" --ignore-externals" else: ignore="" for item in env.site_list: full_path = os.path.join(env.root_path, item, rel_path) run('svn info %s | grep Revision' % full_path) if rev is None: sudo('svn up%s %s' % (ignore, full_path)) else: sudo('svn up%s -r %s %s' % (ignore, rev, full_path)) def ensite(site=None):
  3. 3. """ Enable an Apache site configuration. """ if not env.site_list: get_site_list(site) for item in env.site_list: sudo('a2ensite %s' % item) def dissite(site=None): """ Disable an Apache site configuration. """ if not env.site_list: get_site_list(site) for item in env.site_list: sudo('a2dissite %s' % item) ### Apache tasks def restart(): """ Restart Apache """ sudo('/etc/init.d/apache2 restart') def reload(): """ Reload Apache settings """ sudo('/etc/init.d/apache2 reload') def enmod(mod=None): """ Enable an Apache module """ if not mod: mod = prompt('Please specify which module to enable (a comma delimited list is accepted): ', validate=r'^[w-.,]+$') mod_list = mod.split(',') for item in mod_list: sudo('a2enmod %s' % item) def dismod(mod=None): """ Disable an Apache module """ if not mod: mod = prompt('Please specify which module to disable (a comma delimited list is accepted): ', validate=r'^[w-.,]+$') mod_list = mod.split(',') for item in mod_list: sudo('a2dismod %s' % item)

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