monit: add option to check http connections for various services

bundles/monit/files/monitrc

@@ -51,5 +51,16 @@ check process ${service} matching "${options['bin']}"
 % for port,port_options in options.get('ports', {}).items():
     if failed port ${port} protocol ${port_options['protocol']} for ${port_options.get('cycles', '5')} cycles then restart
 % endfor
+% for domain,http_options in options.get('http', {}).items():
+    if failed host ${domain}
+% if http_options['scheme'] == 'https':
+        port 443
+        protocol https
+% else:
+        port 80
+        protocol http
+% endif
+        then restart
+% endfor
 
 % endfor