Implement policy in code - member (7)

This commit migrate all member policies into code [1].

Like oslo.config, with oslo.policy, we can define all of
default rules in code base and only change some rules
via policy file. Another thing that we should use yaml
format instead of json format.

[1] https://governance.openstack.org/tc/goals/queens/policy-in-code.html
Co-authored-By: Dai Dang-Van <daidv@vn.fujitsu.com>

Change-Id: I166d0d62489fa8230a2ba34ef09f9366ac321633

etc/policy.json

@@ -1,12 +1,6 @@
 {
     "default": "rule:admin_or_owner",
 
-    "members:create": "rule:admin_or_owner",
-    "members:delete": "rule:admin_or_owner",
-    "members:get": "rule:admin_or_owner",
-    "members:list": "rule:admin_or_owner",
-    "members:update": "rule:admin_or_owner",
-
     "services:list": "rule:admin_or_owner",
 
     "tasks:get": "rule:admin_or_owner",

mistral/policies/__init__.py

@@ -20,6 +20,7 @@ from mistral.policies import base
 from mistral.policies import cron_trigger
 from mistral.policies import environment
 from mistral.policies import execution
+from mistral.policies import member
 
 
 def list_rules():
@@ -29,5 +30,6 @@ def list_rules():
         base.list_rules(),
         cron_trigger.list_rules(),
         environment.list_rules(),
-        execution.list_rules()
+        execution.list_rules(),
+        member.list_rules()
     )

mistral/policies/member.py

@@ -0,0 +1,83 @@
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+from oslo_policy import policy
+
+from mistral.policies import base
+
+MEMBERS = 'members:%s'
+
+# NOTE(hieulq): all API operations of below rules are not documented in API
+# reference docs yet.
+rules = [
+    policy.DocumentedRuleDefault(
+        name=MEMBERS % 'create',
+        check_str=base.RULE_ADMIN_OR_OWNER,
+        description='Shares the resource to a new member.',
+        operations=[
+            {
+                'path': '/v2/members',
+                'method': 'POST'
+            }
+        ]
+    ),
+    policy.DocumentedRuleDefault(
+        name=MEMBERS % 'delete',
+        check_str=base.RULE_ADMIN_OR_OWNER,
+        description='Deletes a member from the member list of a resource.',
+        operations=[
+            {
+                'path': '/v2/members',
+                'method': 'DELETE'
+            }
+        ]
+    ),
+    policy.DocumentedRuleDefault(
+        name=MEMBERS % 'get',
+        check_str=base.RULE_ADMIN_OR_OWNER,
+        description='Shows resource member details.',
+        operations=[
+            {
+                'path': '/v2/members/{member_id}',
+                'method': 'GET'
+            }
+        ]
+    ),
+    policy.DocumentedRuleDefault(
+        name=MEMBERS % 'list',
+        check_str=base.RULE_ADMIN_OR_OWNER,
+        description='Return all members with whom the resource has been '
+                    'shared.',
+        operations=[
+            {
+                'path': '/v2/members',
+                'method': 'GET'
+            }
+        ]
+    ),
+    policy.DocumentedRuleDefault(
+        name=MEMBERS % 'update',
+        check_str=base.RULE_ADMIN_OR_OWNER,
+        description='Sets the status for a resource member.',
+        operations=[
+            {
+                'path': '/v2/members',
+                'method': 'PUT'
+            }
+        ]
+    )
+]
+
+
+def list_rules():
+    return rules

mistral/tests/unit/fake_policy.py

@@ -15,12 +15,6 @@
 policy_data = """{
     "default": "rule:admin_or_owner",
 
-    "members:create": "rule:admin_or_owner",
-    "members:delete": "rule:admin_or_owner",
-    "members:get": "rule:admin_or_owner",
-    "members:list": "rule:admin_or_owner",
-    "members:update": "rule:admin_or_owner",
-
     "services:list": "rule:admin_or_owner",
 
     "tasks:get": "rule:admin_or_owner",