nginx/php-pool: Added support for env variables

roles/nginx/php-pool/defaults/main.yml

@@ -7,4 +7,5 @@ pool_name: "{{ system_user + '-' + domain | regex_findall('[a-zA-Z0-9]+') | join
 socket_directory: "{{ phpfpm_sockets_directory }}/{{ pool_name }}"
 socket: "{{ socket_directory }}/socket"
 includes: []
+env_vars: {}
 # memory_limit: 256M #optional

roles/nginx/php-pool/templates/pool.conf

@@ -26,6 +26,9 @@ env[PATH] = /usr/local/bin:/usr/bin:/bin
 env[TMP] = /tmp
 env[TMPDIR] = /tmp
 env[TEMP] = /tmp
+{% for key,val in env_vars.items() %}
+env[{{ key }}] = {{ val | quote }}
+{% endfor %}
 
 php_admin_value[include_path] = ".:{{ includes | join(':') }}:/usr/share/php"
 {% if memory_limit is defined %}