CLOUDSTACK-8632: Unable to revert snapshot on XenServer

test/integration/testpaths/testpath_revert_snap.py

@@ -0,0 +1,160 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+""" Test cases for Verifying revert snapshot 
+"""
+from nose.plugins.attrib import attr
+from marvin.cloudstackTestCase import cloudstackTestCase
+from marvin.lib.utils import (cleanup_resources,
+                             validateList)
+from marvin.lib.base import (Account,
+                             ServiceOffering,
+                             Snapshot,
+                             VmSnapshot,
+                             VirtualMachine,
+                             )
+from marvin.lib.common import (get_domain,
+                               get_zone,
+                               get_template,
+                               list_volumes,
+                              )
+
+
+class TestUnableToRevertSnapshot(cloudstackTestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        testClient = super(TestUnableToRevertSnapshot, cls).getClsTestClient()
+        cls.apiclient = testClient.getApiClient()
+        cls.testdata = testClient.getParsedTestDataConfig()
+
+        cls.hypervisor = cls.testClient.getHypervisorInfo()
+        # Get Zone, Domain and templates
+        cls.domain = get_domain(cls.apiclient)
+        cls.zone = get_zone(cls.apiclient, testClient.getZoneForTests())
+
+        cls.template = get_template(
+            cls.apiclient,
+            cls.zone.id,
+            cls.testdata["ostype"])
+
+        cls._cleanup = []
+
+        try:
+
+            cls.skiptest = False
+
+            if cls.hypervisor.lower() not in ['xenserver']:
+                cls.skiptest = True
+                return     
+            # Create an account
+            cls.account = Account.create(
+                cls.apiclient,
+                cls.testdata["account"],
+                domainid=cls.domain.id
+            )
+
+            # Create user api client of the account
+            cls.userapiclient = testClient.getUserApiClient(
+                UserName=cls.account.name,
+                DomainName=cls.account.domain
+            )
+            # Create Service offering
+            cls.service_offering = ServiceOffering.create(
+                cls.apiclient,
+                cls.testdata["service_offering"],
+            )
+
+            cls._cleanup = [
+                cls.account,
+                cls.service_offering,
+            ]
+        except Exception as e:
+            cls.tearDownClass()
+            raise e
+        return
+
+    @classmethod
+    def tearDownClass(cls):
+        try:
+            cleanup_resources(cls.apiclient, cls._cleanup)
+        except Exception as e:
+            raise Exception("Warning: Exception during cleanup : %s" % e)
+
+    def setUp(self):
+        self.apiclient = self.testClient.getApiClient()
+        self.dbclient = self.testClient.getDbConnection()
+        self.cleanup = []
+        if self.skiptest:
+            self.skipTest("This test is to be checked on xenserver only  Hence, skip for %s"  % self.hypervisor)
+
+    def tearDown(self):
+        try:
+            cleanup_resources(self.apiclient, self.cleanup)
+        except Exception as e:
+            raise Exception("Warning: Exception during cleanup : %s" % e)
+        return
+
+    @attr(tags=["advanced", "basic"])
+    def test_01_check_revert_snapshot(self):
+        """ Test revert snapshot on XenServer
+
+        # 1. Deploy a VM.
+        # 2. Take VM snapshot.
+        # 3. Verify that volume snapshot fails with error 
+                can not create volume snapshot for VM with VM-snapshot
+
+        """
+        # Step 1
+        # Create VM on cluster wide
+        vm = VirtualMachine.create(
+            self.userapiclient,
+            self.testdata["small"],
+            templateid=self.template.id,
+            accountid=self.account.name,
+            domainid=self.account.domainid,
+            serviceofferingid=self.service_offering.id,
+            zoneid=self.zone.id,
+        )
+        volumes_cluster_list = list_volumes(
+                self.apiclient,
+                virtualmachineid=vm.id,
+                type='ROOT',
+                listall=True
+                )
+
+        volume_list_validation = validateList(volumes_cluster_list)
+
+        self.assertNotEqual(
+                len(volume_list_validation),
+                0,
+                "Check if volume gets attached properly"
+            )
+        root_volume = volumes_cluster_list[0]
+        
+        #Step 2
+        vm_snap = VmSnapshot.create(self.apiclient,
+                vm.id)
+
+        volume_list_validation = validateList(vm_snap)
+
+        #Step 3
+        with self.assertRaises(Exception):
+            Snapshot.create(
+                    self.apiclient,
+                    root_volume.id)
+
+        return