Add pillar item to disable using upstart-based services

Fixes GH saltstack-formulas/nginx-formula#14.

nginx/common.sls

@@ -7,6 +7,7 @@
   file.absent
 {% endfor %}
 
+{% if pillar.get('nginx', {}).get('use_upstart', true) %}
 {% set logger_types = ('access', 'error') %}
 
 {% for log_type in logger_types %}
@@ -36,6 +37,7 @@ nginx-logger-{{ log_type }}:
 /etc/logrotate.d/nginx:
   file:
     - absent
+{% endif %}
 
 /etc/nginx:
   file.directory:

nginx/package.sls

@@ -1,4 +1,5 @@
-
+{% set use_upstart = pillar.get('nginx', {}).get('use_upstart', true) %}
+{% if use_upstart %}
 nginx-old-init:
   file:
     - rename
@@ -32,10 +33,12 @@ nginx-old-init-disable:
       - module: nginx-old-init
     - watch:
       - file: nginx-old-init
+{% endif %}
 
 nginx:
   pkg.installed:
     - name: nginx
+{% if use_upstart %}
   file:
     - managed
     - name: /etc/init/nginx.conf
@@ -48,13 +51,16 @@ nginx:
       - pkg: nginx
       - file: nginx-old-init
       - module: nginx-old-init
+{% endif %}
   service:
     - running
     - enable: True
     - restart: True
     - watch:
+{% if use_upstart %}
       - file: nginx
+{% endif %}
       - file: /etc/nginx/nginx.conf
       - file: /etc/nginx/conf.d/default.conf
       - file: /etc/nginx/conf.d/example_ssl.conf
-      - pkg: nginx
+      - pkg: nginx

pillar.example

@@ -1,5 +1,6 @@
 nginx:
   install_from_source: True
+  use_upstart: True
   with_luajit: False
   with_openresty: True
   modules: