Update openstack.common.policy from oslo

To fix an issue about ConfigFilesNotFoundError.

Oslo commit is aae2b1c38801ac8f00f817a17b1b0916a8d7c2c3.

Closes-bug: #1236177
Change-Id: I24c1d80033fc8166e7b1de01499f6d247b166f88

heat/openstack/common/policy.py

@@ -221,7 +221,7 @@ def _get_policy_path(self):
         if policy_file:
             return policy_file
 
-        raise cfg.ConfigFilesNotFoundError(path=CONF.policy_file)
+        raise cfg.ConfigFilesNotFoundError((self.policy_file,))
 
     def enforce(self, rule, target, creds, do_raise=False,
                 exc=None, *args, **kwargs):
@@ -404,7 +404,7 @@ def __call__(self, target, cred, enforcer):
         """
 
         for rule in self.rules:
-            if not rule(target, cred):
+            if not rule(target, cred, enforcer):
                 return False
 
         return True
@@ -447,9 +447,8 @@ def __call__(self, target, cred, enforcer):
         """
 
         for rule in self.rules:
-            if rule(target, cred):
+            if rule(target, cred, enforcer):
                 return True
-
         return False
 
     def add_check(self, rule):
@@ -846,7 +845,13 @@ def __call__(self, target, creds, enforcer):
         """
 
         # TODO(termie): do dict inspection via dot syntax
-        match = self.match % target
+        try:
+            match = self.match % target
+        except KeyError:
+            # While doing GenericCheck if key not
+            # present in Target return false
+            return False
+
         if self.kind in creds:
             return match == six.text_type(creds[self.kind])
         return False