def _nginx_switch(self, spec, old_build_name, new_build_name, new_port):
# write Nginx config for the new build.
nginx.write_server_config(
name=new_build_name,
server_names=spec.get('server_names', env.host_string),
proxy_pass='******'.format(self._gunicorn_bind(new_port)),
static_locations=self._get_nginx_static(spec, new_build_name),
log_root=self._log_root(new_build_name),
listen=spec.get('listen', 80))
# delete Nginx config for the old build if it exists.
if old_build_name:
nginx.delete_server_config(old_build_name)
# reload configuration.
nginx.reload_config()
def deactivate(self):
info = BuildInfo().load()
if not info.active:
return
start_msg('Deactivating instance in role: "{0}":'.format(self._role.name))
try:
nginx.delete_server_config(info.active)
nginx.reload_config()
except:
failed_msg('Error stopping Nginx; ignoring.')
pass
try:
supervisord.stop_and_remove(info.active)
except:
failed_msg('Error stopping supervisor; ignoring.')
pass
succeed_msg('Finished deactivating instance in role: "{0}".'.format(self._role.name))