Fix urlopen usage to use open_url instead

Add a travis test for urlopen usage

contrib/inventory/openshift.py

@@ -28,7 +28,6 @@ version_added: None
 author: Michael Scherer
 '''
 
-import urllib2
 try:
     import json
 except ImportError:
@@ -39,6 +38,8 @@ import sys
 import ConfigParser
 import StringIO
 
+from ansible.module_utils.urls import open_url
+
 configparser = None
 
 
@@ -66,34 +67,21 @@ def get_config(env_var, config_var):
     return result
 
 
-def get_json_from_api(url):
-    req = urllib2.Request(url, None, {'Accept': 'application/json; version=1.5'})
-    response = urllib2.urlopen(req)
+def get_json_from_api(url, username, password):
+    headers = {'Accept': 'application/json; version=1.5'}
+    response = open_url(url, headers=headers, url_username=username, url_password=password)
     return json.loads(response.read())['data']
 
 
-def passwd_setup(top_level_url, username, password):
-    # create a password manager
-    password_mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
-    password_mgr.add_password(None, top_level_url, username, password)
-
-    handler = urllib2.HTTPBasicAuthHandler(password_mgr)
-    opener = urllib2.build_opener(handler)
-
-    urllib2.install_opener(opener)
-
-
 username = get_config('ANSIBLE_OPENSHIFT_USERNAME', 'default_rhlogin')
 password = get_config('ANSIBLE_OPENSHIFT_PASSWORD', 'password')
 broker_url = 'https://%s/broker/rest/' % get_config('ANSIBLE_OPENSHIFT_BROKER', 'libra_server')
 
 
-passwd_setup(broker_url, username, password)
-
-response = get_json_from_api(broker_url + '/domains')
+response = get_json_from_api(broker_url + '/domains', username, password)
 
 response = get_json_from_api("%s/domains/%s/applications" %
-                             (broker_url, response[0]['id']))
+                             (broker_url, response[0]['id']), username, password)
 
 result = {}
 for app in response: