use graduated oslo.policy

- Add oslo.policy to requirements.txt
- Remove in-tree copy of oslo.policy

Change-Id: Ia6fef939cfe0df33476ccee365934a5d2878f90d
Partial-Bug: #1458945

nova/tests/unit/policy_fixture.py

@@ -16,10 +16,10 @@ import os
 
 import fixtures
 from oslo_config import cfg
+from oslo_policy import policy as oslo_policy
 from oslo_serialization import jsonutils
 import six
 
-from nova.openstack.common import policy as common_policy
 from nova import paths
 import nova.policy
 from nova.tests.unit import fake_policy
@@ -48,15 +48,14 @@ class RealPolicyFixture(fixtures.Fixture):
         # policy_file can be overridden by subclasses
         self.policy_file = paths.state_path_def('etc/nova/policy.json')
         self._prepare_policy()
-        CONF.set_override('policy_file', self.policy_file)
+        CONF.set_override('policy_file', self.policy_file, group='oslo_policy')
         nova.policy.reset()
         nova.policy.init()
         self.addCleanup(nova.policy.reset)
 
     def set_rules(self, rules):
         policy = nova.policy._ENFORCER
-        policy.set_rules({k: common_policy.parse_rule(v)
-                          for k, v in rules.items()})
+        policy.set_rules(oslo_policy.Rules.from_dict(rules))
 
 
 class PolicyFixture(RealPolicyFixture):
@@ -80,7 +79,7 @@ class PolicyFixture(RealPolicyFixture):
                                         'policy.json')
         with open(self.policy_file, 'w') as f:
             f.write(fake_policy.policy_data)
-        CONF.set_override('policy_dirs', [])
+        CONF.set_override('policy_dirs', [], group='oslo_policy')
 
 
 class RoleBasedPolicyFixture(RealPolicyFixture):
@@ -101,7 +100,7 @@ class RoleBasedPolicyFixture(RealPolicyFixture):
         self.role = role
 
     def _prepare_policy(self):
-        policy = jsonutils.load(open(CONF.policy_file))
+        policy = jsonutils.load(open(CONF.oslo_policy.policy_file))
 
         # Convert all actions to require specified role
         for action, rule in six.iteritems(policy):

requirements.txt

@@ -44,6 +44,7 @@ oslo.utils>=2.8.0 # Apache-2.0
 oslo.db>=3.2.0 # Apache-2.0
 oslo.rootwrap>=2.0.0 # Apache-2.0
 oslo.messaging!=2.8.0,>2.6.1 # Apache-2.0
+oslo.policy>=0.5.0  # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.service>=0.12.0 # Apache-2.0
 rfc3986>=0.2.0 # Apache-2.0

setup.cfg

@@ -36,7 +36,6 @@ oslo.config.opts =
     nova.scheduler = nova.scheduler.opts:list_opts
     nova.virt = nova.virt.opts:list_opts
     nova.openstack.common.memorycache = nova.openstack.common.memorycache:list_opts
-    nova.openstack.common.policy = nova.openstack.common.policy:list_opts
 
 nova.compute.monitors.cpu =
     virt_driver = nova.compute.monitors.cpu.virt_driver:Monitor