def setupnode(rollback=False, overwrite=False):
"""
Install a baseline host. Can be run multiple times
rollback=True to teardown the installation
This is just used to prevent having to rollback a virtual machine
"""
#either fabric or manage.py will setup the roles & hosts env
#setup_environ handles passing all the project settings into env
#and any woven.global_settings not already defined.
if not rollback:
port_changed = change_ssh_port()
#We need to assume that if the port does not get changed that
#it has already been done and thus we do not need to disable root
if port_changed:
disable_root()
upload_ssh_key()
restrict_ssh()
uncomment_sources()
upgrade_ubuntu()
setup_ufw()
install_packages(overwrite=overwrite)
upload_etc()
set_timezone()
stop_webservers()
start_webservers()
else:
#rollback in reverse order of installation
#The only things we don't rollback are the updates
set_timezone(rollback)
install_packages(rollback)
setup_ufw(rollback)
uncomment_sources(rollback)
restrict_ssh(rollback)
upload_ssh_key(rollback)
disable_root(rollback)
change_ssh_port(rollback)
def activate():
"""
Activates the version specified in ``env.project_version`` if it is different
from the current active version.
An active version is just the version that is symlinked.
"""
env_path = '/'.join([deployment_root(),'env',env.project_fullname])
if not exists(env_path):
print env.host,"ERROR: The version",env.project_version,"does not exist at"
print env_path
sys.exit(1)
active = active_version()
if env.patch or active <> env.project_fullname:
stop_webservers()
if not env.patch and active <> env.project_fullname:
if env.verbosity:
print env.host, "ACTIVATING version", env_path
if not env.nomigration:
sync_db()
#south migration
if 'south' in env.INSTALLED_APPS and not env.nomigration and not env.manualmigration:
migration()
if env.manualmigration or env.MANUAL_MIGRATION: manual_migration()
#activate sites
activate_sites = [''.join([d.replace('.','_'),'-',env.project_version,'.conf']) for d in domain_sites()]
site_paths = ['/etc/apache2','/etc/nginx']
#disable existing sites
for path in site_paths:
for site in _ls_sites('/'.join([path,'sites-enabled'])):
if site not in activate_sites:
sudo("rm %s/sites-enabled/%s"% (path,site))
#activate new sites
for path in site_paths:
for site in activate_sites:
if not exists('/'.join([path,'sites-enabled',site])):
sudo("chmod 644 %s" % '/'.join([path,'sites-available',site]))
sudo("ln -s %s/sites-available/%s %s/sites-enabled/%s"% (path,site,path,site))
if env.verbosity:
print " * enabled", "%s/sites-enabled/%s"% (path,site)
#delete existing symlink
ln_path = '/'.join([deployment_root(),'env',env.project_name])
run('rm -f '+ln_path)
run('ln -s %s %s'% (env_path,ln_path))
if env.verbosity:
print env.host,env.project_fullname, "ACTIVATED"
else:
if env.verbosity and not env.patch:
print env.project_fullname,"is the active version"
if env.patch or active <> env.project_fullname:
start_webservers()
print
return
