Add policy group get_path api

Change-Id: I492e0f9b7bfae8507ee11634f405a8f0f6669d04

vmware_nsxlib/tests/unit/v3/policy/test_resources.py

@@ -540,6 +540,15 @@ class TestPolicyGroup(NsxPolicyLibTestCase):
                 TEST_TENANT, domain_id, group_id)
             api_get.assert_called_once_with(path)
 
+    def test_get_path(self):
+        domain_id = 'd1'
+        group_id = 'g1'
+        result = self.resourceApi.get_path(domain_id, group_id,
+                                           tenant=TEST_TENANT)
+        expected_path = '/%s/domains/%s/groups/%s' % (
+            TEST_TENANT, domain_id, group_id)
+        self.assertEqual(expected_path, result)
+
 
 class TestPolicyL4Service(NsxPolicyLibTestCase):
 

vmware_nsxlib/v3/policy/core_resources.py

@@ -467,6 +467,13 @@ class NsxPolicyGroupApi(NsxPolicyResourceBase):
                                        tenant=tenant)
         return self._get_realization_info(group_def, entity_type=entity_type)
 
+    def get_path(self, domain_id, group_id,
+                 tenant=constants.POLICY_INFRA_TENANT):
+        group_def = self.entry_def(domain_id=domain_id,
+                                   group_id=group_id,
+                                   tenant=tenant)
+        return group_def.get_resource_full_path()
+
 
 class NsxPolicyServiceBase(NsxPolicyResourceBase):
     """Base class for NSX Policy Service with a single entry.