Add pidfile for nginx.

slapos/recipe/reverse_proxy_nginx/__init__.py

@@ -63,6 +63,7 @@ class Recipe(GenericSlapRecipe):
       'listen-local-ipv4': self.options['ipv4'],
       'listen-global-ipv6': '[%s]' % self.options['ipv6'],
       'domain-name': domain_name,
+      'pidfile': self.options['pid-file'],
       'smtp-port-number': self.options['smtp-port'],
       'error-log': self.options['error-log'],
       'access-log': self.options['access-log'],

slapos/recipe/reverse_proxy_nginx/template/nginx.conf.in

 daemon off;
+
+pid %(pidfile)s;
+
 worker_processes 1;
 
 #XXX-Cedric: TODO separate the different logs