use app.gitlab_trigger for config data

This includes defaults and makes the structure of the Gitlab trigger
parallel the GitHub trigger.

buildtrigger/gitlabhandler.py

@@ -1,8 +1,9 @@
 import logging
 
 from functools import wraps
+from urlparse import urljoin
 
-from app import app
+from app import app, gitlab_trigger
 
 from jsonschema import validate
 from buildtrigger.triggerutil import (RepositoryReadException, TriggerActivationException,
@@ -127,9 +128,8 @@ class GitLabBuildTrigger(BuildTriggerHandler):
     return 'gitlab'
 
   def _get_authorized_client(self):
-    host = app.config.get('GITLAB_TRIGGER_CONFIG', {}).get('GITLAB_ENDPOINT', '')
     auth_token = self.auth_token or 'invalid'
-    return gitlab.Gitlab(host, oauth_token=auth_token, timeout=5)
+    return gitlab.Gitlab(gitlab_trigger.api_endpoint(), oauth_token=auth_token, timeout=5)
 
   def is_active(self):
     return 'hook_id' in self.config
@@ -318,11 +318,7 @@ class GitLabBuildTrigger(BuildTriggerHandler):
     return None
 
   def get_repository_url(self):
-    # Get the host and remove a trailing slash.
-    host = app.config.get('GITLAB_TRIGGER_CONFIG', {}).get('GITLAB_ENDPOINT', '')
-    host = host[0:-1] if host[-1] == '/' else host
-
-    return '%s/%s' % (host, self.config['build_source'])
+    return gitlab_trigger.get_public_url(self.config['build_source'])
 
   @_catch_timeouts
   def lookup_user(self, email):

util/config/oauth.py

@@ -95,7 +95,7 @@ class GithubOAuthConfig(OAuthConfig):
     return [org.lower() for org in allowed]
 
   def get_public_url(self, suffix):
-    return '%s%s' % (self._endpoint(), suffix)
+    return urlparse.urljoin(self._endpoint(), suffix)
 
   def _endpoint(self):
     endpoint = self.config.get('GITHUB_ENDPOINT', 'https://github.com')
@@ -226,6 +226,12 @@ class GitLabOAuthConfig(OAuthConfig):
       endpoint = endpoint + '/'
     return endpoint
 
+  def api_endpoint(self):
+    return self._endpoint()
+
+  def get_public_url(self, suffix):
+    return urlparse.urljoin(self._endpoint(), suffix)
+
   def service_name(self):
     return 'GitLab'