Add PID templating option (#267)

Author: alessfg

defaults/main/template.yml

@@ -18,6 +18,7 @@ nginx_main_template:
   user: nginx
   worker_processes: auto
   # worker_rlimit_nofile: 1024
+  pid: /var/run/nginx.pid
   error_log:
     location: /var/log/nginx/error.log
     level: warn

molecule/common/playbook_template.yml

@@ -13,6 +13,7 @@
       conf_file_location: /etc/nginx/
       user: nginx
       worker_processes: auto
+      pid: /var/run/nginx.pid
       error_log:
         location: /var/log/nginx/error.log
         level: warn

templates/nginx.conf.j2

@@ -45,7 +45,7 @@ worker_rlimit_nofile {{ nginx_main_template.worker_rlimit_nofile }};
 {% endif %}
 
 error_log  {{ nginx_main_template.error_log.location }} {{ nginx_main_template.error_log.level }};
-pid        /var/run/nginx.pid;
+pid        {{ nginx_main_template.pid }};
 
 
 events {