diff --git a/example.py b/example.py
index 179be71d..95c16fab 100644
--- a/example.py
+++ b/example.py
@@ -25,14 +25,14 @@ mariadb_service1 = resource.create('mariadb_service1', 'resources/mariadb_servic
 keystone_db = resource.create('keystone_db', 'resources/mariadb_db/', {'db_name':'keystone_db', 'login_password':'', 'login_user':'root', 'login_port': '', 'ip':'', 'ssh_user':'', 'ssh_key':''})
 keystone_db_user = resource.create('keystone_db_user', 'resources/mariadb_user/', {'new_user_name' : 'keystone', 'new_user_password' : 'keystone', 'db_name':'', 'login_password':'', 'login_user':'root', 'login_port': '', 'ip':'', 'ssh_user':'', 'ssh_key':''})
 
-keystone_config1 = resource.create('keystone_config1', 'resources/keystone_config/', {'config_dir' : '/etc/solar/keystone', 'ip':'', 'ssh_user':'', 'ssh_key':'', 'admin_token':'admin', 'db_password':'', 'db_name':'', 'db_user':'', 'db_host':''})
+keystone_config1 = resource.create('keystone_config1', 'resources/keystone_config/', {'config_dir' : '/etc/solar/keystone', 'ip':'', 'ssh_user':'', 'ssh_key':'', 'admin_token':'admin', 'db_password':'', 'db_name':'', 'db_user':'', 'db_host':'', 'db_port': ''})
 keystone_service1 = resource.create('keystone_service1', 'resources/keystone_service/', {'port': 5001, 'admin_port': 35357, 'image': '', 'ip':'', 'ssh_key':'', 'ssh_user':'', 'config_dir':''})
 
-keystone_config2 = resource.create('keystone_config2', 'resources/keystone_config/', {'config_dir' : '/etc/solar/keystone', 'ip':'', 'ssh_user':'', 'ssh_key':'', 'admin_token':'admin', 'db_password':'', 'db_name':'', 'db_user':'', 'db_host':''})
+keystone_config2 = resource.create('keystone_config2', 'resources/keystone_config/', {'config_dir' : '/etc/solar/keystone', 'ip':'', 'ssh_user':'', 'ssh_key':'', 'admin_token':'admin', 'db_password':'', 'db_name':'', 'db_user':'', 'db_host':'', 'db_port': ''})
 keystone_service2 = resource.create('keystone_service2', 'resources/keystone_service/', {'port': 5002, 'admin_port': 35357, 'image': '', 'ip':'', 'ssh_key':'', 'ssh_user':'', 'config_dir':''})
 
 
-haproxy_keystone_config = resource.create('haproxy_keystone1_config', 'resources/haproxy_keystone_config/', {'name':'keystone_config', 'listen_port':'5000', 'servers':[], 'ports':[]})
+haproxy_keystone_config = resource.create('haproxy_keystone1_config', 'resources/haproxy_keystone_config/', {'name':'keystone_config', 'listen_port':5000, 'servers':[], 'ports':[]})
 haproxy_config = resource.create('haproxy_config', 'resources/haproxy', {'ip':'', 'ssh_key':'', 'ssh_user':'', 'configs_names':[], 'configs_ports':[], 'listen_ports':[], 'configs':[], 'config_dir': ''})
 haproxy_service = resource.create('haproxy_service', 'resources/docker_container/', {'image' : 'tutum/haproxy', 'ports': [], 'host_binds': [], 'volume_binds':[], 'ip':'', 'ssh_key':'', 'ssh_user':''})
 
@@ -54,14 +54,14 @@ signals.connect(mariadb_service1, keystone_db_user, {'root_password':'login_pass
 signals.connect(keystone_db, keystone_db_user, {'db_name':'db_name'})
 
 signals.connect(node1, keystone_config1)
-signals.connect(mariadb_service1, keystone_config1, {'ip':'db_host'})
+signals.connect(mariadb_service1, keystone_config1, {'ip':'db_host', 'port': 'db_port'})
 signals.connect(keystone_db_user, keystone_config1, {'db_name':'db_name', 'new_user_name':'db_user', 'new_user_password':'db_password'})
 
 signals.connect(node1, keystone_service1)
 signals.connect(keystone_config1, keystone_service1, {'config_dir': 'config_dir'})
 
 signals.connect(node2, keystone_config2)
-signals.connect(mariadb_service1, keystone_config2, {'ip':'db_host'})
+signals.connect(mariadb_service1, keystone_config2, {'ip':'db_host', 'port': 'db_port'})
 signals.connect(keystone_db_user, keystone_config2, {'db_name':'db_name', 'new_user_name':'db_user', 'new_user_password':'db_password'})
 
 signals.connect(node2, keystone_service2)
diff --git a/resources/keystone_config/meta.yaml b/resources/keystone_config/meta.yaml
index 9746f2db..9b0bb4b0 100644
--- a/resources/keystone_config/meta.yaml
+++ b/resources/keystone_config/meta.yaml
@@ -19,7 +19,7 @@ input:
       schema: str!
       value:
     db_port:
-      schema: str!
+      schema: int!
       value:
     db_name:
       schema: str!
diff --git a/solar/solar/core/connections.py b/solar/solar/core/connections.py
index 7d25786d..281f2d0c 100644
--- a/solar/solar/core/connections.py
+++ b/solar/solar/core/connections.py
@@ -1,16 +1,4 @@
 
-import copy
-import json
-
-from itertools import imap, ifilter
-
-import networkx as nx
-import jinja2
-import mock
-
-from jinja2 import Template
-
-
 def depends_on(init_value, value=None, tags=None):
     if tags is None:
         tags = []