Add system role functionality

This commit adds the necessary bits to be able to use system
role assignments from python-keystoneclient.

bp system-scope

Change-Id: Iecbcbf020a15f2bec777334c648d4477f89f3b2c

3 files changed, 177 insertions, 43 deletions

diff --git a/keystoneclient/tests/unit/v3/test_role_assignments.py b/keystoneclient/tests/unit/v3/test_role_assignments.py
index b24799c..45dd13d 100644
--- a/keystoneclient/tests/unit/v3/test_role_assignments.py
+++ b/keystoneclient/tests/unit/v3/test_role_assignments.py
@@ -23,6 +23,32 @@ class RoleAssignmentsTests(utils.ClientTestCase, utils.CrudTests):
         self.collection_key = 'role_assignments'
         self.model = role_assignments.RoleAssignment
         self.manager = self.client.role_assignments
+        self.TEST_USER_SYSTEM_LIST = [{
+            'role': {
+                'id': self.TEST_ROLE_ID
+            },
+            'scope': {
+                'system': {
+                    'all': True
+                }
+            },
+            'user': {
+                'id': self.TEST_USER_ID
+            }
+        }]
+        self.TEST_GROUP_SYSTEM_LIST = [{
+            'role': {
+                'id': self.TEST_ROLE_ID
+            },
+            'scope': {
+                'system': {
+                    'all': True
+                }
+            },
+            'group': {
+                'id': self.TEST_GROUP_ID
+            }
+        }]
         self.TEST_USER_DOMAIN_LIST = [{
             'role': {
                 'id': self.TEST_ROLE_ID
@@ -65,7 +91,9 @@ class RoleAssignmentsTests(utils.ClientTestCase, utils.CrudTests):
 
         self.TEST_ALL_RESPONSE_LIST = (self.TEST_USER_PROJECT_LIST +
                                        self.TEST_GROUP_PROJECT_LIST +
-                                       self.TEST_USER_DOMAIN_LIST)
+                                       self.TEST_USER_DOMAIN_LIST +
+                                       self.TEST_USER_SYSTEM_LIST +
+                                       self.TEST_GROUP_SYSTEM_LIST)
 
     def _assert_returned_list(self, ref_list, returned_list):
         self.assertEqual(len(ref_list), len(returned_list))
@@ -150,6 +178,50 @@ class RoleAssignmentsTests(utils.ClientTestCase, utils.CrudTests):
         kwargs = {'scope.domain.id': self.TEST_DOMAIN_ID}
         self.assertQueryStringContains(**kwargs)
 
+    def test_system_assignment_list(self):
+        ref_list = self.TEST_USER_SYSTEM_LIST + self.TEST_GROUP_SYSTEM_LIST
+
+        self.stub_entity('GET',
+                         [self.collection_key, '?scope.system=all'],
+                         entity=ref_list)
+
+        returned_list = self.manager.list(system='all')
+        self._assert_returned_list(ref_list, returned_list)
+
+        kwargs = {'scope.system': 'all'}
+        self.assertQueryStringContains(**kwargs)
+
+    def test_system_assignment_list_for_user(self):
+        ref_list = self.TEST_USER_SYSTEM_LIST
+
+        self.stub_entity('GET',
+                         [self.collection_key,
+                          '?user.id=%s&scope.system=all' % self.TEST_USER_ID],
+                         entity=ref_list)
+
+        returned_list = self.manager.list(system='all', user=self.TEST_USER_ID)
+        self._assert_returned_list(ref_list, returned_list)
+
+        kwargs = {'scope.system': 'all', 'user.id': self.TEST_USER_ID}
+        self.assertQueryStringContains(**kwargs)
+
+    def test_system_assignment_list_for_group(self):
+        ref_list = self.TEST_GROUP_SYSTEM_LIST
+
+        self.stub_entity(
+            'GET',
+            [self.collection_key,
+             '?group.id=%s&scope.system=all' % self.TEST_GROUP_ID],
+            entity=ref_list)
+
+        returned_list = self.manager.list(
+            system='all', group=self.TEST_GROUP_ID
+        )
+        self._assert_returned_list(ref_list, returned_list)
+
+        kwargs = {'scope.system': 'all', 'group.id': self.TEST_GROUP_ID}
+        self.assertQueryStringContains(**kwargs)
+
     def test_group_assignments_list(self):
         ref_list = self.TEST_GROUP_PROJECT_LIST
         self.stub_entity('GET',
diff --git a/keystoneclient/v3/role_assignments.py b/keystoneclient/v3/role_assignments.py
index 5360a94..ce1e550 100644
--- a/keystoneclient/v3/role_assignments.py
+++ b/keystoneclient/v3/role_assignments.py
@@ -46,9 +46,25 @@ class RoleAssignmentManager(base.CrudManager):
             msg = _('Specify either a domain or project, not both')
             raise exceptions.ValidationError(msg)
 
-    def list(self, user=None, group=None, project=None, domain=None, role=None,
-             effective=False, os_inherit_extension_inherited_to=None,
-             include_subtree=False, include_names=False):
+    def _check_not_system_and_domain(self, system, domain):
+        if system and domain:
+            msg = _('Specify either system or domain, not both')
+            raise exceptions.ValidationError(msg)
+
+    def _check_not_system_and_project(self, system, project):
+        if system and project:
+            msg = _('Specify either system or project, not both')
+            raise exceptions.ValidationError(msg)
+
+    def _check_system_value(self, system):
+        if system and system != 'all':
+            msg = _("Only a system scope of 'all' is currently supported")
+            raise exceptions.ValidationError(msg)
+
+    def list(self, user=None, group=None, project=None, domain=None,
+             system=False, role=None, effective=False,
+             os_inherit_extension_inherited_to=None, include_subtree=False,
+             include_names=False):
         """List role assignments.
 
         If no arguments are provided, all role assignments in the
@@ -64,6 +80,8 @@ class RoleAssignmentManager(base.CrudManager):
                         (optional)
         :param domain: Domain to be used as query
                        filter. (optional)
+        :param system: Boolean to be used to filter system assignments.
+                       (optional)
         :param role: Role to be used as query filter. (optional)
         :param boolean effective: return effective role
                                   assignments. (optional)
@@ -76,6 +94,9 @@ class RoleAssignmentManager(base.CrudManager):
         """
         self._check_not_user_and_group(user, group)
         self._check_not_domain_and_project(domain, project)
+        self._check_not_system_and_domain(system, domain)
+        self._check_not_system_and_project(system, project)
+        self._check_system_value(system)
 
         query_params = {}
         if user:
@@ -86,6 +107,8 @@ class RoleAssignmentManager(base.CrudManager):
             query_params['scope.project.id'] = base.getid(project)
         if domain:
             query_params['scope.domain.id'] = base.getid(domain)
+        if system:
+            query_params['scope.system'] = system
         if role:
             query_params['role.id'] = base.getid(role)
         if effective:
diff --git a/keystoneclient/v3/roles.py b/keystoneclient/v3/roles.py
index ce0cfe8..a84ab39 100644
--- a/keystoneclient/v3/roles.py
+++ b/keystoneclient/v3/roles.py
@@ -54,7 +54,7 @@ class RoleManager(base.CrudManager):
     key = 'role'
     deprecation_msg = 'keystoneclient.v3.roles.InferenceRuleManager'
 
-    def _role_grants_base_url(self, user, group, domain, project,
+    def _role_grants_base_url(self, user, group, system, domain, project,
                               use_inherit_extension):
         # When called, we have already checked that only one of user & group
         # and one of domain & project have been specified
@@ -66,6 +66,18 @@ class RoleManager(base.CrudManager):
         elif domain:
             params['domain_id'] = base.getid(domain)
             base_url = '/domains/%(domain_id)s'
+        elif system:
+            if system == 'all':
+                base_url = '/system'
+            else:
+                # NOTE(lbragstad): If we've made it this far, a user is
+                # attempting to do something with system scope that isn't
+                # supported yet (e.g. 'all' is currently the only supported
+                # system scope). In the future that may change but until then
+                # we should fail like we would if a user provided a bogus
+                # project name or domain ID.
+                msg = _("Only a system scope of 'all' is currently supported")
+                raise exceptions.ValidationError(msg)
 
         if use_inherit_extension:
             base_url = '/OS-INHERIT' + base_url
@@ -79,13 +91,26 @@ class RoleManager(base.CrudManager):
 
         return base_url % params
 
-    def _require_domain_xor_project(self, domain, project):
-        if domain and project:
-            msg = _('Specify either a domain or project, not both')
-            raise exceptions.ValidationError(msg)
-        elif not (domain or project):
-            msg = _('Must specify either a domain or project')
-            raise exceptions.ValidationError(msg)
+    def _enforce_mutually_exclusive_group(self, system, domain, project):
+        if not system:
+            if domain and project:
+                msg = _('Specify either a domain or project, not both')
+                raise exceptions.ValidationError(msg)
+            elif not (domain or project):
+                msg = _('Must specify either system, domain, or project')
+                raise exceptions.ValidationError(msg)
+        elif system:
+            if domain and project:
+                msg = _(
+                    'Specify either system, domain, or project, not all three.'
+                )
+                raise exceptions.ValidationError(msg)
+            if domain:
+                msg = _('Specify either system or a domain, not both')
+                raise exceptions.ValidationError(msg)
+            if project:
+                msg = _('Specify either a system or project, not both')
+                raise exceptions.ValidationError(msg)
 
     def _require_user_xor_group(self, user, group):
         if user and group:
@@ -130,7 +155,7 @@ class RoleManager(base.CrudManager):
         """
         return super(RoleManager, self).get(role_id=base.getid(role))
 
-    def list(self, user=None, group=None, domain=None,
+    def list(self, user=None, group=None, system=None, domain=None,
              project=None, os_inherit_extension_inherited=False, **kwargs):
         """List roles and role grants.
 
@@ -143,12 +168,12 @@ class RoleManager(base.CrudManager):
                       User and group are mutually exclusive.
         :type group: str or :class:`keystoneclient.v3.groups.Group`
         :param domain: filter in role grants on the specified domain. Either
-                       user or group must be specified. Project and domain
-                       are mutually exclusive.
+                       user or group must be specified. Project, domain, and
+                       system are mutually exclusive.
         :type domain: str or :class:`keystoneclient.v3.domains.Domain`
         :param project: filter in role grants on the specified project. Either
-                       user or group must be specified. Project and domain
-                       are mutually exclusive.
+                       user or group must be specified. Project, domain and
+                       system are mutually exclusive.
         :type project: str or :class:`keystoneclient.v3.projects.Project`
         :param bool os_inherit_extension_inherited: OS-INHERIT will be used.
                                                     It provides the ability for
@@ -166,10 +191,12 @@ class RoleManager(base.CrudManager):
             kwargs['tail'] = '/inherited_to_projects'
         if user or group:
             self._require_user_xor_group(user, group)
-            self._require_domain_xor_project(domain, project)
+            self._enforce_mutually_exclusive_group(system, domain, project)
 
             base_url = self._role_grants_base_url(
-                user, group, domain, project, os_inherit_extension_inherited)
+                user, group, system, domain, project,
+                os_inherit_extension_inherited
+            )
             return super(RoleManager, self).list(base_url=base_url,
                                                  **kwargs)
 
@@ -208,8 +235,8 @@ class RoleManager(base.CrudManager):
         return super(RoleManager, self).delete(
             role_id=base.getid(role))
 
-    def grant(self, role, user=None, group=None, domain=None, project=None,
-              os_inherit_extension_inherited=False, **kwargs):
+    def grant(self, role, user=None, group=None, system=None, domain=None,
+              project=None, os_inherit_extension_inherited=False, **kwargs):
         """Grant a role to a user or group on a domain or project.
 
         :param role: the role to be granted on the server.
@@ -222,13 +249,16 @@ class RoleManager(base.CrudManager):
                       resource. Domain or project must be specified.
                       User and group are mutually exclusive.
         :type group: str or :class:`keystoneclient.v3.groups.Group`
+        :param system: system information to grant the role on. Project,
+                       domain, and system are mutually exclusive.
+        :type system: str
         :param domain: the domain in which the role will be granted. Either
-                       user or group must be specified. Project and domain
-                       are mutually exclusive.
+                       user or group must be specified. Project, domain, and
+                       system are mutually exclusive.
         :type domain: str or :class:`keystoneclient.v3.domains.Domain`
         :param project: the project in which the role will be granted. Either
-                       user or group must be specified. Project and domain
-                       are mutually exclusive.
+                       user or group must be specified. Project, domain, and
+                       system are mutually exclusive.
         :type project: str or :class:`keystoneclient.v3.projects.Project`
         :param bool os_inherit_extension_inherited: OS-INHERIT will be used.
                                                     It provides the ability for
@@ -242,20 +272,21 @@ class RoleManager(base.CrudManager):
         :rtype: :class:`keystoneclient.v3.roles.Role`
 
         """
-        self._require_domain_xor_project(domain, project)
+        self._enforce_mutually_exclusive_group(system, domain, project)
         self._require_user_xor_group(user, group)
 
         if os_inherit_extension_inherited:
             kwargs['tail'] = '/inherited_to_projects'
 
         base_url = self._role_grants_base_url(
-            user, group, domain, project, os_inherit_extension_inherited)
+            user, group, system, domain, project,
+            os_inherit_extension_inherited)
         return super(RoleManager, self).put(base_url=base_url,
                                             role_id=base.getid(role),
                                             **kwargs)
 
-    def check(self, role, user=None, group=None, domain=None, project=None,
-              os_inherit_extension_inherited=False, **kwargs):
+    def check(self, role, user=None, group=None, system=None, domain=None,
+              project=None, os_inherit_extension_inherited=False, **kwargs):
         """Check if a user or group has a role on a domain or project.
 
         :param user: check for role grants for the specified user on a
@@ -266,13 +297,16 @@ class RoleManager(base.CrudManager):
                       resource. Domain or project must be specified.
                       User and group are mutually exclusive.
         :type group: str or :class:`keystoneclient.v3.groups.Group`
+        :param system: check for role  grants on the system. Project, domain,
+                       and system are mutually exclusive.
+        :type system: str
         :param domain: check for role grants on the specified domain. Either
-                       user or group must be specified. Project and domain
-                       are mutually exclusive.
+                       user or group must be specified. Project, domain, and
+                       system are mutually exclusive.
         :type domain: str or :class:`keystoneclient.v3.domains.Domain`
         :param project: check for role grants on the specified project. Either
-                       user or group must be specified. Project and domain
-                       are mutually exclusive.
+                       user or group must be specified. Project, domain, and
+                       system are mutually exclusive.
         :type project: str or :class:`keystoneclient.v3.projects.Project`
         :param bool os_inherit_extension_inherited: OS-INHERIT will be used.
                                                     It provides the ability for
@@ -290,22 +324,23 @@ class RoleManager(base.CrudManager):
         :rtype: :class:`requests.models.Response`
 
         """
-        self._require_domain_xor_project(domain, project)
+        self._enforce_mutually_exclusive_group(system, domain, project)
         self._require_user_xor_group(user, group)
 
         if os_inherit_extension_inherited:
             kwargs['tail'] = '/inherited_to_projects'
 
         base_url = self._role_grants_base_url(
-            user, group, domain, project, os_inherit_extension_inherited)
+            user, group, system, domain, project,
+            os_inherit_extension_inherited)
         return super(RoleManager, self).head(
             base_url=base_url,
             role_id=base.getid(role),
             os_inherit_extension_inherited=os_inherit_extension_inherited,
             **kwargs)
 
-    def revoke(self, role, user=None, group=None, domain=None, project=None,
-               os_inherit_extension_inherited=False, **kwargs):
+    def revoke(self, role, user=None, group=None, system=None, domain=None,
+               project=None, os_inherit_extension_inherited=False, **kwargs):
         """Revoke a role from a user or group on a domain or project.
 
         :param user: revoke role grants for the specified user on a
@@ -316,13 +351,16 @@ class RoleManager(base.CrudManager):
                       resource. Domain or project must be specified.
                       User and group are mutually exclusive.
         :type group: str or :class:`keystoneclient.v3.groups.Group`
+        :param system: revoke role grants on the system. Project, domain, and
+                       system are mutually exclusive.
+        :type system: str
         :param domain: revoke role grants on the specified domain. Either
-                       user or group must be specified. Project and domain
-                       are mutually exclusive.
+                       user or group must be specified. Project, domain, and
+                       system are mutually exclusive.
         :type domain: str or :class:`keystoneclient.v3.domains.Domain`
         :param project: revoke role grants on the specified project. Either
-                       user or group must be specified. Project and domain
-                       are mutually exclusive.
+                       user or group must be specified. Project, domain, and
+                       system are mutually exclusive.
         :type project: str or :class:`keystoneclient.v3.projects.Project`
         :param bool os_inherit_extension_inherited: OS-INHERIT will be used.
                                                     It provides the ability for
@@ -336,14 +374,15 @@ class RoleManager(base.CrudManager):
         :rtype: list of :class:`keystoneclient.v3.roles.Role`
 
         """
-        self._require_domain_xor_project(domain, project)
+        self._enforce_mutually_exclusive_group(system, domain, project)
         self._require_user_xor_group(user, group)
 
         if os_inherit_extension_inherited:
             kwargs['tail'] = '/inherited_to_projects'
 
         base_url = self._role_grants_base_url(
-            user, group, domain, project, os_inherit_extension_inherited)
+            user, group, system, domain, project,
+            os_inherit_extension_inherited)
         return super(RoleManager, self).delete(
             base_url=base_url,
             role_id=base.getid(role),