# 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. # Import Local Modules from marvin.codes import FAILED, KVM, PASS, XEN_SERVER, RUNNING from nose.plugins.attrib import attr from marvin.cloudstackTestCase import cloudstackTestCase from marvin.lib.utils import random_gen, cleanup_resources, validateList, is_snapshot_on_nfs, isAlmostEqual from marvin.lib.base import (Account, Configurations, ServiceOffering, StoragePool, Template, VirtualMachine, VmSnapshot, Host) from marvin.lib.common import (get_zone, get_domain, get_template, list_snapshots, list_virtual_machines, list_configurations) from marvin.cloudstackAPI import (listTemplates) import time import unittest class TestVmSnapshot(cloudstackTestCase): @classmethod def setUpClass(cls): testClient = super(TestVmSnapshot, cls).getClsTestClient() cls.apiclient = testClient.getApiClient() cls._cleanup = [] cls.unsupportedHypervisor = False cls.hypervisor = testClient.getHypervisorInfo() if cls.hypervisor.lower() != "kvm": cls.unsupportedHypervisor = True return cls.services = testClient.getParsedTestDataConfig() # Get Zone, Domain and templates cls.domain = get_domain(cls.apiclient) cls.zone = get_zone(cls.apiclient, testClient.getZoneForTests()) hosts = Host.list( cls.apiclient, zoneid=cls.zone.id, type='Routing', hypervisor='KVM') pools = StoragePool.list( cls.apiclient, zoneid=cls.zone.id) for pool in pools: if pool.type == "NetworkFilesystem" or pool.type == "Filesystem": raise unittest.SkipTest("Storage-based snapshots functionality is not supported for NFS/Local primary storage") for host in hosts: if host.details['Host.OS'] in ['CentOS']: raise unittest.SkipTest("The standard `qemu-kvm` which is the default for CentOS does not support the new functionality. It has to be installed `qemu-kvm-ev`") Configurations.update(cls.apiclient, name = "kvm.vmstoragesnapshot.enabled", value = "true") #The version of CentOS has to be supported templ = { "name": "CentOS8", "displaytext": "CentOS 8", "format": "QCOW2", "url": "http://download.cloudstack.org/releases/4.14/default-tmpl-centos8.0.qcow2.bz2", "ispublic": "True", "isextractable": "True", "hypervisor": cls.hypervisor, "zoneid": cls.zone.id, "ostype": "CentOS 8", "directdownload": True, } template = Template.register(cls.apiclient, templ, zoneid=cls.zone.id, hypervisor=cls.hypervisor) if template == FAILED: assert False, "get_template() failed to return template\ with description %s" % cls.services["ostype"] cls.services["domainid"] = cls.domain.id cls.services["small"]["zoneid"] = cls.zone.id cls.services["templates"]["ostypeid"] = template.ostypeid cls.services["zoneid"] = cls.zone.id cls.account = Account.create( cls.apiclient, cls.services["account"], domainid=cls.domain.id ) cls._cleanup.append(cls.account) service_offerings_nfs = { "name": "nfs", "displaytext": "nfs", "cpunumber": 1, "cpuspeed": 500, "memory": 512, "storagetype": "shared", "customizediops": False, } cls.service_offering = ServiceOffering.create( cls.apiclient, service_offerings_nfs, ) cls._cleanup.append(cls.service_offering) cls.virtual_machine = VirtualMachine.create( cls.apiclient, cls.services, zoneid=cls.zone.id, templateid=template.id, accountid=cls.account.name, domainid=cls.account.domainid, serviceofferingid=cls.service_offering.id, mode=cls.zone.networktype, hypervisor=cls.hypervisor, rootdisksize=20, ) cls.random_data_0 = random_gen(size=100) cls.test_dir = "/tmp" cls.random_data = "random.data" return @classmethod def tearDownClass(cls): try: Configurations.update(cls.apiclient, name = "kvm.vmstoragesnapshot.enabled", value = "false") # Cleanup resources used cleanup_resources(cls.apiclient, cls._cleanup) except Exception as e: raise Exception("Warning: Exception during cleanup : %s" % e) return def setUp(self): self.apiclient = self.testClient.getApiClient() self.dbclient = self.testClient.getDbConnection() if self.unsupportedHypervisor: self.skipTest("Skipping test because unsupported hypervisor\ %s" % self.hypervisor) return def tearDown(self): return @attr(tags=["advanced", "advancedns", "smoke"], required_hardware="true") def test_01_create_vm_snapshots(self): """Test to create VM snapshots """ try: # Login to VM and write data to file system ssh_client = self.virtual_machine.get_ssh_client() cmds = [ "echo %s > %s/%s" % (self.random_data_0, self.test_dir, self.random_data), "cat %s/%s" % (self.test_dir, self.random_data)] for c in cmds: self.debug(c) result = ssh_client.execute(c) self.debug(result) except Exception: self.fail("SSH failed for Virtual machine: %s" % self.virtual_machine.ipaddress) self.assertEqual( self.random_data_0, result[0], "Check the random data has be write into temp file!" ) time.sleep(30) MemorySnapshot = False vm_snapshot = VmSnapshot.create( self.apiclient, self.virtual_machine.id, MemorySnapshot, "TestSnapshot", "Display Text" ) self.assertEqual( vm_snapshot.state, "Ready", "Check the snapshot of vm is ready!" ) return @attr(tags=["advanced", "advancedns", "smoke"], required_hardware="true") def test_02_revert_vm_snapshots(self): """Test to revert VM snapshots """ try: ssh_client = self.virtual_machine.get_ssh_client() cmds = [ "rm -rf %s/%s" % (self.test_dir, self.random_data), "ls %s/%s" % (self.test_dir, self.random_data) ] for c in cmds: self.debug(c) result = ssh_client.execute(c) self.debug(result) except Exception: self.fail("SSH failed for Virtual machine: %s" % self.virtual_machine.ipaddress) if str(result[0]).index("No such file or directory") == -1: self.fail("Check the random data has be delete from temp file!") time.sleep(30) list_snapshot_response = VmSnapshot.list( self.apiclient, virtualmachineid=self.virtual_machine.id, listall=True) self.assertEqual( isinstance(list_snapshot_response, list), True, "Check list response returns a valid list" ) self.assertNotEqual( list_snapshot_response, None, "Check if snapshot exists in ListSnapshot" ) self.assertEqual( list_snapshot_response[0].state, "Ready", "Check the snapshot of vm is ready!" ) self.virtual_machine.stop(self.apiclient) VmSnapshot.revertToSnapshot( self.apiclient, list_snapshot_response[0].id) self.virtual_machine.start(self.apiclient) try: ssh_client = self.virtual_machine.get_ssh_client(reconnect=True) cmds = [ "cat %s/%s" % (self.test_dir, self.random_data) ] for c in cmds: self.debug(c) result = ssh_client.execute(c) self.debug(result) except Exception: self.fail("SSH failed for Virtual machine: %s" % self.virtual_machine.ipaddress) self.assertEqual( self.random_data_0, result[0], "Check the random data is equal with the ramdom file!" ) @attr(tags=["advanced", "advancedns", "smoke"], required_hardware="true") def test_03_delete_vm_snapshots(self): """Test to delete vm snapshots """ list_snapshot_response = VmSnapshot.list( self.apiclient, virtualmachineid=self.virtual_machine.id, listall=True) self.assertEqual( isinstance(list_snapshot_response, list), True, "Check list response returns a valid list" ) self.assertNotEqual( list_snapshot_response, None, "Check if snapshot exists in ListSnapshot" ) VmSnapshot.deleteVMSnapshot( self.apiclient, list_snapshot_response[0].id) time.sleep(30) list_snapshot_response = VmSnapshot.list( self.apiclient, virtualmachineid=self.virtual_machine.id, listall=False) self.debug('list_snapshot_response -------------------- %s' % list_snapshot_response) self.assertIsNone(list_snapshot_response, "snapshot is already deleted")