Consul DNS discovery. Related to #12

conf/surok.json

@@ -4,6 +4,10 @@
 		"host": "http://marathon.mesos:8080",
 		"enabled": false
 	},
+    "consul": {
+        "enabled": false,
+        "domain": "service.dc1.consul"
+    },
     "confd": "/etc/surok/conf.d",
     "domain": "marathon.mesos",
     "wait_time": 20,

surok/discovery.py

@@ -31,6 +31,13 @@ def resolve(app, conf):
         # This is fast fix for port naming
         # Will be rewrite later
         fqdn = ''
+
+        # Discovery over Consul DNS
+        if 'consul' in conf and conf['consul']['enabled']:
+            fqdn = '_' + service['name'] + '._tcp.' + conf['consul']['domain']
+            hosts[service['name']] = do_query(fqdn, conf['loglevel'])
+            continue
+        
         if ports is not None:
             for port_name in ports:
                 fqdn = '_' + port_name + '.' + '_' + service['name'] + '.' + group + '._tcp.' + domain