Enforce usage of oslo.context's project_id

Instead of using "project" which came from our legacy custom context
class, we enforce the usage of oslo.context's project_id. Thus cleaning
up that class a little bit.

Change-Id: Ic030f426de744c585ca6b4a02f0a9e6b6df15cc5

barbican/context.py

@@ -25,11 +25,8 @@ class RequestContext(oslo_context.context.RequestContext):
     accesses the system, as well as additional request information.
     """
 
-    def __init__(self, policy_enforcer=None, project=None, **kwargs):
+    def __init__(self, policy_enforcer=None, **kwargs):
         # prefer usage of 'project' instead of 'tenant'
-        if project:
-            kwargs['tenant'] = project
-        self.project = project
         if policy_enforcer:
             self.policy_enforcer = policy_enforcer
         else:
@@ -41,12 +38,6 @@ class RequestContext(oslo_context.context.RequestContext):
         out_dict = super(RequestContext, self).to_dict()
         out_dict['roles'] = self.roles
 
-        # NOTE(jaosorior): For now, the oslo_context library uses 'tenant'
-        # instead of project. But in case this changes, this will still issue
-        # the dict we expect, which would contain 'project'.
-        if out_dict.get('tenant'):
-            out_dict['project'] = out_dict['tenant']
-            out_dict.pop('tenant')
         return out_dict
 
     @classmethod

barbican/tests/api/test_resources.py

@@ -42,8 +42,8 @@ def get_barbican_env(external_project_id):
     Injects the provided external_project_id.
     """
     kwargs = {'roles': None,
-              'user': None,
+              'user_id': None,
-              'project': external_project_id,
+              'project_id': external_project_id,
               'is_admin': True}
     ctx = barbican.context.RequestContext(**kwargs)
     ctx.policy_enforcer = None

barbican/tests/api/test_resources_policy.py

@@ -131,8 +131,8 @@ class BaseTestCase(utils.BaseTestCase, utils.MockModelRepositoryMixin):
         req.get_param.return_value = None
 
         kwargs = {
-            'user': user_id,
+            'user_id': user_id,
-            'project': project_id,
+            'project_id': project_id,
             'roles': roles or [],
             'policy_enforcer': self.policy_enforcer,
         }

barbican/tests/api/test_transport_keys_resource.py

@@ -37,8 +37,8 @@ def get_barbican_env(external_project_id):
             return
 
     kwargs = {'roles': None,
-              'user': None,
+              'user_id': None,
-              'project': external_project_id,
+              'project_id': external_project_id,
               'is_admin': True,
               'policy_enforcer': NoopPolicyEnforcer()}
     barbican_env = {'barbican.context':