Add tests for project users interacting with endpoint_groups

This commit introduces some tests that show how project users
are expected to behave with the endpoint_groups API.

Change-Id: I0f32de4ea615c89a7500a8098c44ef543fe45a02
Closes-bug: #1818734

keystone/tests/unit/protection/v3/test_endpoint_group.py

@@ -575,3 +575,71 @@ class DomainUserTests(base_classes.TestCaseWithBootstrap,
             r = c.post('/v3/auth/tokens', json=auth)
             self.token_id = r.headers['X-Subject-Token']
             self.headers = {'X-Auth-Token': self.token_id}
+
+
+class ProjectUserTests(base_classes.TestCaseWithBootstrap,
+                       common_auth.AuthTestMixin,
+                       _DomainAndProjectUserEndpointGroupTests):
+
+    def setUp(self):
+        super(ProjectUserTests, self).setUp()
+        self.loadapp()
+        self.useFixture(ksfixtures.Policy(self.config_fixture))
+        self.config_fixture.config(group='oslo_policy', enforce_scope=True)
+
+        self.user_id = self.bootstrapper.admin_user_id
+        auth = self.build_authentication_request(
+            user_id=self.user_id,
+            password=self.bootstrapper.admin_password,
+            project_id=self.bootstrapper.project_id
+        )
+
+        # Grab a token using the persona we're testing and prepare headers
+        # for requests we'll be making in the tests.
+        with self.test_client() as c:
+            r = c.post('/v3/auth/tokens', json=auth)
+            self.token_id = r.headers['X-Subject-Token']
+            self.headers = {'X-Auth-Token': self.token_id}
+
+
+class ProjectUserTestsWithoutEnforceScope(
+        base_classes.TestCaseWithBootstrap,
+        common_auth.AuthTestMixin,
+        _DomainAndProjectUserEndpointGroupTests):
+
+    def setUp(self):
+        super(ProjectUserTestsWithoutEnforceScope, self).setUp()
+        self.loadapp()
+        self.useFixture(ksfixtures.Policy(self.config_fixture))
+
+        # Explicityly set enforce_scope to False to make sure we maintain
+        # backwards compatibility with project users.
+        self.config_fixture.config(group='oslo_policy', enforce_scope=False)
+
+        domain = PROVIDERS.resource_api.create_domain(
+            uuid.uuid4().hex, unit.new_domain_ref()
+        )
+        user = unit.new_user_ref(domain_id=domain['id'])
+        self.user_id = PROVIDERS.identity_api.create_user(user)['id']
+
+        self.project_id = PROVIDERS.resource_api.create_project(
+            uuid.uuid4().hex, unit.new_project_ref(domain_id=domain['id'])
+        )['id']
+
+        PROVIDERS.assignment_api.create_grant(
+            self.bootstrapper.member_role_id, user_id=self.user_id,
+            project_id=self.project_id
+        )
+
+        auth = self.build_authentication_request(
+            user_id=self.user_id,
+            password=user['password'],
+            project_id=self.project_id
+        )
+
+        # Grab a token using the persona we're testing and prepare headers
+        # for requests we'll be making in the tests.
+        with self.test_client() as c:
+            r = c.post('/v3/auth/tokens', json=auth)
+            self.token_id = r.headers['X-Subject-Token']
+            self.headers = {'X-Auth-Token': self.token_id}

releasenotes/notes/bug-1818734-d753bfae60ffd030.yaml

@@ -0,0 +1,57 @@
+---
+features:
+  - |
+    [`bug 1818734 <https://bugs.launchpad.net/keystone/+bug/1818734>`_]
+    The endpoint groups API now supports the ``admin``, ``member``, and
+    ``reader`` default roles.
+
+upgrade:
+  - |
+    [`bug 1818734 <https://bugs.launchpad.net/keystone/+bug/1818734>`_]
+    The endpoint groups API uses new default policies to make it more
+    accessible to end users and administrators in a secure way. Please
+    consider these new defaults if your deployment overrides endpoint
+    groups policies.
+deprecations:
+  - |
+    [`bug 1818734 <https://bugs.launchpad.net/keystone/+bug/1818734>`_]
+    The endpoint groups policies have been deprecated. The
+    ``identity:list_endpoint_groups`` policy now uses
+    ``role:reader and system_scope:all`` instead of
+    ``rule:admin_required``. The ``identity:get_endpoint_group`` policy
+    now uses ``role:reader and system_scope:all`` instead of
+    ``rule:admin_required``. The ``identity:update_endpoint_group`` policy
+    now use ``role:admin and system_scope:all`` instead of
+    ``rule:admin_required``.The ``identity:create_endpoint_group`` policy
+    now use ``role:admin and system_scope:all`` instead of
+    ``rule:admin_required``. The ``identity:delete_endpoint_group`` policy
+    now use ``role:admin and system_scope:all`` instead of
+    ``rule:admin_required``.
+    The ``identity:list_projects_associated_with_endpoint_group`` policy
+    now uses ``role:reader and system_scope:all`` instead of
+    ``rule:admin_required``.
+    The ``identity:get_endpoint_group_in_project`` policy
+    now uses ``role:reader and system_scope:all`` instead of
+    ``rule:admin_required``.
+    The ``identity:list_endpoints_associated_with_endpoint_group`` policy
+    now uses ``role:reader and system_scope:all`` instead of
+    ``rule:admin_required``.
+    The ``identity:list_endpoint_groups_for_project`` policy
+    now uses ``role:reader and system_scope:all`` instead of
+    ``rule:admin_required``.
+    The ``identity:add_endpoint_group_to_project`` policy
+    now use ``role:admin and system_scope:all`` instead of
+    ``rule:admin_required``.
+    The ``identity:remove_endpoint_group_from_project`` policy
+    now use ``role:admin and system_scope:all`` instead of
+    ``rule:admin_required``.
+    These new defaults automatically account for system-scope and support
+    a read-only role, making it easier for system administrators to delegate
+    subsets of responsibility without compromising security. Please consider
+    these new defaults if your deployment overrides the endpoint group
+    policies.
+security:
+  - |
+    [`bug 1818734 <https://bugs.launchpad.net/keystone/+bug/1818734>`_]
+    The endpoint group API now uses system-scope and default roles
+    to provide better accessibility to users in a secure manner.