gistfile1.diff

diff --git a/trove/common/context.py b/trove/common/context.py
index 014aa50..c9dd1a6 100644
--- a/trove/common/context.py
+++ b/trove/common/context.py
@@ -34,6 +34,7 @@ class TroveContext(context.RequestContext):
     def __init__(self, **kwargs):
         self.limit = kwargs.pop('limit', None)
         self.marker = kwargs.pop('marker', None)
+        self.datastore = kwargs.pop('datastore', None)
         super(TroveContext, self).__init__(**kwargs)

         if not hasattr(local.store, 'context'):
diff --git a/trove/common/wsgi.py b/trove/common/wsgi.py
index 5868c86..3bbbe12 100644
--- a/trove/common/wsgi.py
+++ b/trove/common/wsgi.py
@@ -482,7 +482,7 @@ class Controller(object):

     def _extract_limits(self, params):
         return dict([(key, params[key]) for key in params.keys()
-                     if key in ["limit", "marker"]])
+                     if key in ["limit", "marker", "datastore"]])


 class TroveRequestDeserializer(RequestDeserializer):
@@ -689,7 +689,7 @@ class ContextMiddleware(openstack_wsgi.Middleware):

     def _extract_limits(self, params):
         return dict([(key, params[key]) for key in params.keys()
-                     if key in ["limit", "marker"]])
+                     if key in ["limit", "marker", "datastore"]])

     def process_request(self, request):
         tenant_id = request.headers.get('X-Tenant-Id', None)
@@ -706,6 +706,7 @@ class ContextMiddleware(openstack_wsgi.Middleware):
                                           tenant=tenant_id,
                                           user=user_id,
                                           is_admin=is_admin,
+                                          datastore=limits.get('datastore'),
                                           limit=limits.get('limit'),
                                           marker=limits.get('marker'))
         request.environ[CONTEXT_KEY] = context
diff --git a/trove/configuration/service.py b/trove/configuration/service.py
index 0841771..66931a1 100644
--- a/trove/configuration/service.py
+++ b/trove/configuration/service.py
@@ -252,11 +252,15 @@ class ConfigurationsController(wsgi.Controller):

 class ParametersController(wsgi.Controller):
     def index(self, req, tenant_id):
+        context = req.environ[wsgi.CONTEXT_KEY]
+        LOG.debug("ParametersController index context %s" % context.__dict__)
         rules = configurations.get_validation_rules()
         return wsgi.Result(views.ConfigurationParametersView(rules).data(),
                            200)

     def show(self, req, tenant_id, id):
+        context = req.environ[wsgi.CONTEXT_KEY]
+        LOG.debug("ParametersController show context %s" % context.__dict__)
         rules = configurations.get_validation_rules()
         for rule in rules['configuration-parameters']:
             if rule['name'] == id: