PBM utility method to retrieve profiles of a VM

Add method 'get_profiles' in pbm module to retrieve SPBM
storage profiles associated with a VM.

Change-Id: I1c96fc87ae5a24c470a67786bac5197f23c0f288

oslo_vmware/pbm.py

@@ -198,3 +198,21 @@ def get_pbm_wsdl_location(vc_version):
     pbm_wsdl = urlparse.urljoin('file:', urllib.pathname2url(pbm_service_wsdl))
     LOG.debug("Using PBM WSDL location: %s.", pbm_wsdl)
     return pbm_wsdl
+
+
+def get_profiles(session, vm):
+    """Query storage profiles associated with the given vm.
+
+    :param session: VMwareAPISession instance
+    :param vm: vm reference
+    :return: profile IDs
+    """
+    pbm = session.pbm
+    profile_manager = pbm.service_content.profileManager
+
+    object_ref = pbm.client.factory.create('ns0:PbmServerObjectRef')
+    object_ref.key = vm.value
+    object_ref.objectType = 'virtualMachine'
+
+    return session.invoke_api(pbm, 'PbmQueryAssociatedProfile',
+                              profile_manager, entity=object_ref)

oslo_vmware/tests/test_pbm.py

@@ -171,3 +171,26 @@ class PBMUtilityTest(base.TestCase):
             path_exists.return_value = False
             wsdl = pbm.get_pbm_wsdl_location('5.5')
             self.assertIsNone(wsdl)
+
+    def test_get_profiles(self):
+        pbm_service = mock.Mock()
+        session = mock.Mock(pbm=pbm_service)
+
+        object_ref = mock.Mock()
+        pbm_service.client.factory.create.return_value = object_ref
+
+        profile_id = mock.sentinel.profile_id
+        session.invoke_api.return_value = profile_id
+
+        value = 'vm-1'
+        vm = mock.Mock(value=value)
+        ret = pbm.get_profiles(session, vm)
+
+        self.assertEqual(profile_id, ret)
+        session.invoke_api.assert_called_once_with(
+            pbm_service,
+            'PbmQueryAssociatedProfile',
+            pbm_service.service_content.profileManager,
+            entity=object_ref)
+        self.assertEqual(value, object_ref.key)
+        self.assertEqual('virtualMachine', object_ref.objectType)