# 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.
""" Tests for Blocker bugs
"""
from nose.plugins.attrib import attr
from marvin.lib.base import (Snapshot,
                             Template,
                             Domain,
                             Account,
                             ServiceOffering,
                             Network,
                             VirtualMachine,
                             PublicIPAddress,
                             StaticNATRule,
                             FireWallRule,
                             Volume)
from marvin.lib.utils import cleanup_resources, validateList
from marvin.lib.common import (get_zone,
                               get_domain,
                               get_template,
                               list_routers,
                               get_builtin_template_info)

#Import Local Modules
from marvin.cloudstackTestCase import cloudstackTestCase
import unittest
from marvin.cloudstackAPI import restartNetwork
from marvin.codes import PASS
import time


class Services:
    """Test Services
    """

    def __init__(self):
        self.services = {
                         "domain": {
                                   "name": "Domain",
                        },
                        "account": {
                                    "email": "test@test.com",
                                    "firstname": "Test",
                                    "lastname": "User",
                                    "username": "test",
                                    # Random characters are appended for unique
                                    # username
                                    "password": "password",
                         },
                         "service_offering": {
                                    "name": "Tiny Instance",
                                    "displaytext": "Tiny Instance",
                                    "cpunumber": 1,
                                    "cpuspeed": 100,    # in MHz
                                    "memory": 128,       # In MBs
                        },
                        "disk_offering": {
                                    "displaytext": "Small",
                                    "name": "Small",
                                    "disksize": 1
                        },
                        "virtual_machine": {
                                    "displayname": "Test VM",
                                    "username": "root",
                                    "password": "password",
                                    "ssh_port": 22,
                                    "hypervisor": 'XenServer',
                                    "privateport": 22,
                                    "publicport": 22,
                                    "protocol": 'TCP',
                        },
                        "template": {
                                    "displaytext": 'Template from snapshot',
                                    "name": 'Template from snapshot',
                                    "ostype": 'CentOS 5.3 (64-bit)',
                                    "templatefilter": 'self',
                                    "url": "",
                                    "hypervisor": '',
                                    "format": '',
                                    "isfeatured": True,
                                    "ispublic": True,
                                    "isextractable": True,
                                    "passwordenabled": True,
                        },
                        "firewall_rule": {
                                    "cidrlist" : "0.0.0.0/0",
                                    "startport": 22,
                                    "endport": 22,
                                    "protocol": "TCP"
                        },
                        "ostype": 'CentOS 5.3 (64-bit)',
                        # Cent OS 5.3 (64 bit)
                        "sleep": 180,
                     }

class TestTemplate(cloudstackTestCase):

    def setUp(self):
        self.apiclient = self.testClient.getApiClient()
        self.hypervisor = self.testClient.getHypervisorInfo()
        self.dbclient = self.testClient.getDbConnection()
        self.cleanup = []
        return

    def tearDown(self):
        try:
            cleanup_resources(self.apiclient, self.cleanup)
        except Exception as e:
            raise Exception("Warning: Exception during cleanup : %s" % e)
        return

    @classmethod
    def setUpClass(cls):
        cls.testClient = super(TestTemplate, cls).getClsTestClient()
        cls.api_client = cls.testClient.getApiClient()

        cls.services = Services().services
        # Get Zone, Domain and templates
        cls.domain = get_domain(cls.api_client)
        cls.zone = get_zone(cls.api_client, cls.testClient.getZoneForTests())
        cls.services['mode'] = cls.zone.networktype
        cls.services["virtual_machine"]["zoneid"] = cls.zone.id
        cls.services["template"]["zoneid"] = cls.zone.id

        cls.service_offering = ServiceOffering.create(
                                            cls.api_client,
                                            cls.services["service_offering"]
                                            )
        cls.account = Account.create(
                            cls.api_client,
                            cls.services["account"],
                            domainid=cls.domain.id
                            )
        cls.services["account"] = cls.account.name

        cls._cleanup = [
                        cls.account,
                        cls.service_offering
                        ]
        return

    @classmethod
    def tearDownClass(cls):
        try:
            cls.api_client = super(TestTemplate, cls).getClsTestClient().getApiClient()
            #Cleanup resources used
            cleanup_resources(cls.api_client, cls._cleanup)

        except Exception as e:
            raise Exception("Warning: Exception during cleanup : %s" % e)

        return

    @attr(tags=["advanced", "advancedns", "basic", "sg"], required_hardware="true")
    def test_01_create_template(self):
        """TS_BUG_002-Test to create and deploy VM using password enabled template
        """


        # Validate the following:
        #1. Create a password enabled template
        #2. Deploy VM using this template
        #3. Deploy VM should return password set in template.

        builtin_info = get_builtin_template_info(self.apiclient, self.zone.id)
        self.services["template"]["url"] = builtin_info[0]
        self.services["template"]["hypervisor"] = builtin_info[1]
        self.services["template"]["format"] = builtin_info[2]
        temp = self.services["template"]
        self.debug("Registering a new template")

        # Register new template
        template = Template.register(
                                        self.apiclient,
                                        temp,
                                        zoneid=self.zone.id,
                                        account=self.account.name,
                                        domainid=self.account.domainid,
                                        hypervisor=self.hypervisor
                                        )
        self.debug(
                "Registered a template of format: %s with ID: %s" % (
                                                                self.services["template"]["format"],
                                                                template.id
                                                                ))
        try:
            # Wait for template to download
            template.download(self.apiclient)
        except Exception as e:
            self.fail("Exception while downloading template %s: %s"\
                      % (template.id, e))

        self.cleanup.append(template)

        # Wait for template status to be changed across
        time.sleep(self.services["sleep"])

        list_template_response = Template.list(
                                            self.apiclient,
                                            templatefilter=\
                                            self.services["template"]["templatefilter"],
                                            id=template.id,
                                            zoneid=self.zone.id
                                            )

        self.assertEqual(
                            isinstance(list_template_response, list),
                            True,
                            "Check list response returns a valid list"
                        )
        #Verify template response to check whether template added successfully
        self.assertNotEqual(
                            len(list_template_response),
                            0,
                            "Check template available in List Templates"
                        )
        template_response = list_template_response[0]

        self.assertEqual(
                            template_response.isready,
                            True,
                            "Template state is not ready, it is %s" % template_response.isready
                        )

        # Deploy new virtual machine using template
        virtual_machine = VirtualMachine.create(
                                 self.apiclient,
                                 self.services["virtual_machine"],
                                 templateid=template.id,
                                 accountid=self.account.name,
                                 domainid=self.account.domainid,
                                 serviceofferingid=self.service_offering.id,
                                 )
        self.debug("Deployed VM with ID: %s " % virtual_machine.id)
        self.assertEqual(
                         hasattr(virtual_machine, "password"),
                         True,
                         "Check if the deployed VM returned a password"
                        )
        return

class TestNATRules(cloudstackTestCase):

    @classmethod
    def setUpClass(cls):

        cls.testClient = super(TestNATRules, cls).getClsTestClient()
        cls.api_client = cls.testClient.getApiClient()

        cls.services = Services().services
        # Get Zone, Domain and templates
        cls.domain = get_domain(cls.api_client)
        cls.zone = get_zone(cls.api_client, cls.testClient.getZoneForTests())

        cls.services['mode'] = cls.zone.networktype
        template = get_template(
                            cls.api_client,
                            cls.zone.id,
                            cls.services["ostype"]
                            )
        #Create an account, network, VM and IP addresses
        cls.account = Account.create(
                                cls.api_client,
                                cls.services["account"],
                                admin=True,
                                domainid=cls.domain.id
                                )
        cls.services["virtual_machine"]["zoneid"] = cls.zone.id
        cls.service_offering = ServiceOffering.create(
                                cls.api_client,
                                cls.services["service_offering"]
                                )
        cls.virtual_machine = VirtualMachine.create(
                                    cls.api_client,
                                    cls.services["virtual_machine"],
                                    templateid=template.id,
                                    accountid=cls.account.name,
                                    domainid=cls.account.domainid,
                                    serviceofferingid=cls.service_offering.id
                                )
        cls.public_ip = PublicIPAddress.create(
                                    cls.api_client,
                                    accountid=cls.account.name,
                                    zoneid=cls.zone.id,
                                    domainid=cls.account.domainid,
                                    services=cls.services["virtual_machine"]
                                    )
        cls._cleanup = [
                        cls.virtual_machine,
                        cls.account,
                        cls.service_offering
                        ]

    def setUp(self):
        self.apiclient = self.testClient.getApiClient()
        self.dbclient = self.testClient.getDbConnection()
        self.cleanup = []
        return

    def tearDown(self):
        try:
            cleanup_resources(self.apiclient, self.cleanup)
        except Exception as e:
            raise Exception("Warning: Exception during cleanup : %s" % e)
        return

    @classmethod
    def tearDownClass(cls):
        try:
            cls.api_client = super(TestNATRules, cls).getClsTestClient().getApiClient()
            cleanup_resources(cls.api_client, cls._cleanup)
        except Exception as e:
            raise Exception("Warning: Exception during cleanup : %s" % e)

    @attr(tags=["advanced", "dvs"], required_hardware="false")
    def test_01_firewall_rules_port_fw(self):
        """"Checking firewall rules deletion after static NAT disable"""


        # Validate the following:
        #1. Enable static NAT for a VM
        #2. Open up some ports. At this point there will be new rows in the
        #   firewall_rules table.
        #3. Disable static NAT for the VM.
        #4. Check fire wall rules are deleted from firewall_rules table.

        public_ip = self.public_ip.ipaddress

        # Enable Static NAT for VM
        StaticNATRule.enable(
                             self.apiclient,
                             public_ip.id,
                             self.virtual_machine.id
                            )
        self.debug("Enabled static NAT for public IP ID: %s" %
                                                    public_ip.id)

        #Create Static NAT rule, in fact it's firewall rule
        nat_rule = StaticNATRule.create(
                        self.apiclient,
                        self.services["firewall_rule"],
                        public_ip.id
                        )
        self.debug("Created Static NAT rule for public IP ID: %s" %
                                                    public_ip.id)
        self.debug("Checking IP address")
        ip_response = PublicIPAddress.list(
                                         self.apiclient,
                                         id = public_ip.id
                                        )
        self.assertEqual(
                            isinstance(ip_response, list),
                            True,
                            "Check ip response returns a valid list"
                        )
        self.assertNotEqual(
                            len(ip_response),
                            0,
                            "Check static NAT Rule is created"
                            )
        self.assertTrue(
                            ip_response[0].isstaticnat,
                            "IP is not static nat enabled"
                        )
        self.assertEqual(
                            ip_response[0].virtualmachineid,
                            self.virtual_machine.id,
                            "IP is not binding with the VM"
                        )

        self.debug("Checking Firewall rule")
        firewall_response = FireWallRule.list(
                                                self.apiclient,
                                                ipaddressid = public_ip.id,
                                                listall = True
                                             )
        self.assertEqual(
                            isinstance(firewall_response, list),
                            True,
                            "Check firewall response returns a valid list"
                        )
        self.assertNotEqual(
                            len(firewall_response),
                            0,
                            "Check firewall rule is created"
                            )
        self.assertEqual(
                            firewall_response[0].state,
                            "Active",
                            "Firewall rule is not active"
                        )
        self.assertEqual(
                            firewall_response[0].ipaddressid,
                            public_ip.id,
                            "Firewall rule is not static nat related"
                        )
        self.assertEqual(
                            firewall_response[0].startport,
                            self.services["firewall_rule"]["startport"],
                            "Firewall rule is not with specific port"
                        )

        self.debug("Removed the firewall rule")
        nat_rule.delete(self.apiclient)

        self.debug("Checking IP address, it should still existed")
        ip_response = PublicIPAddress.list(
                                         self.apiclient,
                                         id = public_ip.id
                                        )
        self.assertEqual(
                            isinstance(ip_response, list),
                            True,
                            "Check ip response returns a valid list"
                        )
        self.assertNotEqual(
                            len(ip_response),
                            0,
                            "Check static NAT Rule is created"
                            )
        self.assertTrue(
                            ip_response[0].isstaticnat,
                            "IP is not static nat enabled"
                        )
        self.assertEqual(
                            ip_response[0].virtualmachineid,
                            self.virtual_machine.id,
                            "IP is not binding with the VM"
                        )

        self.debug("Checking Firewall rule, it should be removed")
        firewall_response = FireWallRule.list(
                                                self.apiclient,
                                                ipaddressid = public_ip.id,
                                                listall = True
                                             )
        self.assertEqual(
                            isinstance(firewall_response, list),
                            True,
                            "Check firewall response returns a valid list"
                        )
        if len(firewall_response) != 0 :
            self.assertEqual(
                            firewall_response[0].state,
                            "Deleting",
                            "Firewall rule should be deleted or in deleting state"
                        )
        return


class TestRouters(cloudstackTestCase):

    @classmethod
    def setUpClass(cls):
        cls.testClient = super(TestRouters, cls).getClsTestClient()
        cls.api_client = cls.testClient.getApiClient()

        cls.services = Services().services
        # Get Zone, Domain and templates
        cls.zone = get_zone(cls.api_client, cls.testClient.getZoneForTests())
        cls.services['mode'] = cls.zone.networktype
        cls.template = get_template(
                            cls.api_client,
                            cls.zone.id,
                            cls.services["ostype"]
                            )

        # Create an account, domain etc
        cls.domain = Domain.create(
                                   cls.api_client,
                                   cls.services["domain"],
                                   )
        cls.admin_account = Account.create(
                            cls.api_client,
                            cls.services["account"],
                            admin=True,
                            domainid=cls.domain.id
                            )

        cls.user_account = Account.create(
                            cls.api_client,
                            cls.services["account"],
                            domainid=cls.domain.id
                            )

        cls.services["virtual_machine"]["zoneid"] = cls.zone.id
        cls.services["virtual_machine"]["template"] = cls.template.id

        cls.service_offering = ServiceOffering.create(
                                            cls.api_client,
                                            cls.services["service_offering"]
                                            )

        cls._cleanup = [
                        cls.service_offering,
                        cls.admin_account,
                        cls.user_account,
                        cls.domain
                        ]
        return

    @classmethod
    def tearDownClass(cls):
        try:
            #Cleanup resources used
            cleanup_resources(cls.api_client, 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()
        self.cleanup = []
        return

    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", "advancedns"], required_hardware="false")
    def test_01_list_routers_admin(self):
        """TS_BUG_007-Check listRouters() using Admin User
        """


        # Validate the following
        # 1. PreReq: have rounters that are owned by other account
        # 2. Create domain and create accounts in that domain
        # 3. Create one VM for each account
        # 4. Using Admin , run listRouters. It should return all the routers

        vm_1 = VirtualMachine.create(
                                  self.apiclient,
                                  self.services["virtual_machine"],
                                  accountid=self.admin_account.name,
                                  domainid=self.admin_account.domainid,
                                  serviceofferingid=self.service_offering.id
                                  )
        self.debug("Deployed VM with ID: %s" % vm_1.id)
        vm_2 = VirtualMachine.create(
                                  self.apiclient,
                                  self.services["virtual_machine"],
                                  accountid=self.user_account.name,
                                  domainid=self.user_account.domainid,
                                  serviceofferingid=self.service_offering.id
                                  )
        self.debug("Deployed VM with ID: %s" % vm_2.id)
        routers = list_routers(
                               self.apiclient,
                               account=self.admin_account.name,
                               domainid=self.admin_account.domainid,
                               )
        self.assertEqual(
                            isinstance(routers, list),
                            True,
                            "Check list response returns a valid list"
                        )
        # ListRouter Should return 2 records
        self.assertEqual(
                             len(routers),
                             1,
                             "Check list router response"
                             )
        for router in routers:
            self.assertEqual(
                        router.state,
                        'Running',
                        "Check list router response for router state"
                    )
        return


class TestRouterRestart(cloudstackTestCase):

    @classmethod
    def setUpClass(cls):

        cls.testClient = super(TestRouterRestart, cls).getClsTestClient()
        cls.api_client = cls.testClient.getApiClient()

        cls.services = Services().services
        # Get Zone, Domain and templates
        cls.zone = get_zone(cls.api_client, cls.testClient.getZoneForTests())
        cls.domain = get_domain(cls.api_client)
        cls.services['mode'] = cls.zone.networktype
        template = get_template(
                            cls.api_client,
                            cls.zone.id,
                            cls.services["ostype"]
                            )
        cls.services["virtual_machine"]["zoneid"] = cls.zone.id

        #Create an account, network, VM and IP addresses
        cls.account = Account.create(
                                     cls.api_client,
                                     cls.services["account"],
                                     domainid=cls.domain.id
                                     )
        cls.service_offering = ServiceOffering.create(
                                            cls.api_client,
                                            cls.services["service_offering"]
                                            )
        cls.vm_1 = VirtualMachine.create(
                                    cls.api_client,
                                    cls.services["virtual_machine"],
                                    templateid=template.id,
                                    accountid=cls.account.name,
                                    domainid=cls.account.domainid,
                                    serviceofferingid=cls.service_offering.id
                                    )
        cls.cleanup = [
                       cls.vm_1,
                       cls.account,
                       cls.service_offering
                       ]
        return

    @classmethod
    def tearDownClass(cls):
        try:
            cls.api_client = super(TestRouterRestart, cls).getClsTestClient().getApiClient()
            #Clean up, terminate the created templates
            cleanup_resources(cls.api_client, cls.cleanup)

        except Exception as e:
            raise Exception("Warning: Exception during cleanup : %s" % e)
        return

    def setUp(self):
        self.apiclient = self.testClient.getApiClient()
        return

    def tearDown(self):
        # No need
        return

    @attr(tags=["advanced", "advancedns", "eip"], required_hardware="false")
    def test_01_restart_network_cleanup(self):
        """TS_BUG_008-Test restart network
        """


        # Validate the following
        # 1. When cleanup = true, router is destroyed and a new one created
        # 2. New router will have new publicIp and linkLocalIp and
        #    all it's services should resume

        # Find router associated with user account
        if (self.services['mode'] == "Basic"):
            list_router_response = list_routers(
                                    self.apiclient,
                                    zoneid=self.zone.id,
                                    listall=True
                                    )
        else:
            list_router_response = list_routers(
                                    self.apiclient,
                                    account=self.account.name,
                                    domainid=self.account.domainid
                                    )
        self.assertEqual(
                            isinstance(list_router_response, list),
                            True,
                            "Check list response returns a valid list"
                        )
        router = list_router_response[0]

        #Store old values before restart
        old_linklocalip = router.linklocalip

        timeout = 10
        # Network should be in Implemented or Setup stage before restart
        while True:
            networks = Network.list(
                                 self.apiclient,
                                 account=self.account.name,
                                 domainid=self.account.domainid
                                 )
            network = networks[0]
            if network.state in ["Implemented", "Setup"]:
                break
            elif timeout == 0:
                break
            else:
                time.sleep(60)
                timeout = timeout - 1

        self.debug("Restarting network: %s" % network.id)
        cmd = restartNetwork.restartNetworkCmd()
        cmd.id = network.id
        cmd.cleanup = True
        self.apiclient.restartNetwork(cmd)

        # Get router details after restart
        if (self.services['mode'] == "Basic"):
            list_router_response = list_routers(
                                    self.apiclient,
                                    zoneid=self.zone.id,
                                    listall=True
                                    )
        else:
            list_router_response = list_routers(
                                    self.apiclient,
                                    account=self.account.name,
                                    domainid=self.account.domainid
                                    )
        self.assertEqual(
                            isinstance(list_router_response, list),
                            True,
                            "Check list response returns a valid list"
                        )
        router = list_router_response[0]

        self.assertNotEqual(
                            router.linklocalip,
                            old_linklocalip,
                            "Check link-local IP after restart"
                        )
        return


class TestTemplates(cloudstackTestCase):

    @classmethod
    def setUpClass(cls):

        cls.testClient = super(TestTemplates, cls).getClsTestClient()
        cls.api_client = cls.testClient.getApiClient()
        cls.hypervisor = cls.testClient.getHypervisorInfo()
        cls.services = Services().services
        # Get Zone, Domain and templates
        cls.zone = get_zone(cls.api_client, cls.testClient.getZoneForTests())
        cls.domain = get_domain(cls.api_client)

        cls.services['mode'] = cls.zone.networktype

        template = get_template(
                            cls.api_client,
                            cls.zone.id,
                            cls.services["ostype"]
                            )
        cls.templateSupported = True
        cls._cleanup = []
        if cls.hypervisor.lower() in ['lxc']:
            cls.templateSupported = False
            return
        cls.services["virtual_machine"]["zoneid"] = cls.zone.id
        try:
            cls.account = Account.create(
                            cls.api_client,
                            cls.services["account"],
                            domainid=cls.domain.id
                            )
            cls._cleanup.append(cls.account)

            cls.services["account"] = cls.account.name
            cls.service_offering = ServiceOffering.create(
                                            cls.api_client,
                                            cls.services["service_offering"],
                                        )
            cls._cleanup.append(cls.service_offering)

            # create virtual machine
            cls.virtual_machine = VirtualMachine.create(
                                    cls.api_client,
                                    cls.services["virtual_machine"],
                                    templateid=template.id,
                                    accountid=cls.account.name,
                                    domainid=cls.account.domainid,
                                    serviceofferingid=cls.service_offering.id,
                                    )
            #Stop virtual machine
            cls.virtual_machine.stop(cls.api_client)

            listvolumes = Volume.list(
                                   cls.api_client,
                                   virtualmachineid=cls.virtual_machine.id,
                                   type='ROOT',
                                   listall=True
                                   )
            assert validateList(listvolumes)[0] == PASS, "volumes list is empty"
            cls.volume = listvolumes[0]
        except Exception as e:
            cls.tearDownClass()
            raise unittest.SkipTest("Exception in setUpClass: %s" % e)

    @classmethod
    def tearDownClass(cls):
        try:
            cls.api_client = super(TestTemplates, cls).getClsTestClient().getApiClient()
            #Cleanup created resources such as templates and VMs
            cleanup_resources(cls.api_client, 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()
        self.cleanup = []
        if not self.templateSupported:
            self.skipTest("Template creation from root volume is not supported in LXC")
        return

    def tearDown(self):
        try:
            #Clean up, terminate the created templates
            cleanup_resources(self.apiclient, self.cleanup)

        except Exception as e:
            raise Exception("Warning: Exception during cleanup : %s" % e)

        return

    @attr(speed = "slow")
    @attr(tags=["advanced", "advancedns", "basic", "sg", "eip"], required_hardware="true")
    def test_01_check_template_size(self):
        """TS_BUG_009-Test the size of template created from root disk
        """


        # Validate the following:
        # 1. Deploy new VM using the template created from Volume
        # 2. VM should be in Up and Running state

        #Create template from volume
        template = Template.create(
                                   self.apiclient,
                                   self.services["template"],
                                   self.volume.id,
                                   account=self.account.name,
                                   domainid=self.account.domainid
                                )
        self.debug("Creating template with ID: %s" % template.id)
        # Volume and Template Size should be same
        self.assertEqual(
                             template.size,
                             self.volume.size,
                             "Check if size of template and volume are same"
                             )
        return

    @attr(speed = "slow")
    @attr(tags=["advanced", "advancedns", "basic", "sg", "eip"], required_hardware="true")
    def test_02_check_size_snapshotTemplate(self):
        """TS_BUG_010-Test check size of snapshot and template
        """


        # Validate the following
        # 1. Deploy VM using default template, small service offering
        #    and small data disk offering.
        # 2. Perform snapshot on the root disk of this VM.
        # 3. Create a template from snapshot.
        # 4. Check the size of snapshot and template

        # Create a snapshot from the ROOTDISK
        if self.hypervisor.lower() in ['hyperv']:
            self.skipTest("Snapshots feature is not supported on Hyper-V")
        snapshot = Snapshot.create(
                                   self.apiclient,
                                   self.volume.id,
                                   account=self.account.name,
                                   domainid=self.account.domainid
                                   )

        response = snapshot.validateState(self.apiclient, Snapshot.BACKED_UP)
        self.assertEqual(response[0], PASS, response[1])

        # Generate template from the snapshot
        template = Template.create_from_snapshot(
                                    self.apiclient,
                                    snapshot,
                                    self.services["template"]
                                    )
        self.cleanup.append(template)

        self.debug("Created template from snapshot with ID: %s" % template.id)
        templates = Template.list(
                                self.apiclient,
                                templatefilter=\
                                self.services["template"]["templatefilter"],
                                id=template.id
                                )
        self.assertEqual(
                            isinstance(templates, list),
                            True,
                            "Check list response returns a valid list"
                        )
        self.assertNotEqual(
                            templates,
                            None,
                            "Check if result exists in list item call"
                            )

        self.assertEqual(
                            templates[0].isready,
                            True,
                            "Check new template state in list templates call"
                        )
        # check size of template with that of snapshot
        self.assertEqual(
                            templates[0].size,
                            self.volume.size,
                            "Derived template size (%s) does not match snapshot size (%s)" % (templates[0].size, self.volume.size)
                        )
        return

    @attr(speed = "slow")
    @attr(tags=["advanced", "advancedns", "basic", "sg", "eip"], required_hardware="true")
    def test_03_reuse_template_name(self):
        """TS_BUG_011-Test Reusing deleted template name
        """


        # Validate the following
        # 1. Deploy VM using default template, small service offering
        #    and small data disk offering.
        # 2. Perform snapshot on the root disk of this VM.
        # 3. Create a template from snapshot.
        # 4. Delete the template and create a new template with same name
        # 5. Template should be created successfully

        # Create a snapshot from the ROOTDISK
        if self.hypervisor.lower() in ['hyperv']:
            self.skipTest("Snapshots feature is not supported on Hyper-V")
        snapshot = Snapshot.create(
                                   self.apiclient,
                                   self.volume.id,
                                   account=self.account.name,
                                   domainid=self.account.domainid
                                   )
        response = snapshot.validateState(self.apiclient, Snapshot.BACKED_UP)
        self.assertEqual(response[0], PASS, response[1])

        # Generate template from the snapshot
        template = Template.create_from_snapshot(
                                    self.apiclient,
                                    snapshot,
                                    self.services["template"],
                                    random_name=False
                                    )
        self.debug("Created template from snapshot: %s" % template.id)
        templates = Template.list(
                                self.apiclient,
                                templatefilter=\
                                self.services["template"]["templatefilter"],
                                id=template.id
                                )
        self.assertEqual(
                            isinstance(templates, list),
                            True,
                            "Check list response returns a valid list"
                        )
        self.assertNotEqual(
                            templates,
                            None,
                            "Check if result exists in list item call"
                            )

        self.assertEqual(
                            templates[0].isready,
                            True,
                            "Check new template state in list templates call"
                        )

        self.debug("Deleting template: %s" % template.id)
        template.delete(self.apiclient)

        # Wait for some time to ensure template state is reflected in other calls
        time.sleep(self.services["sleep"])

        # Generate template from the snapshot
        self.debug("Creating template from snapshot: %s with same name" %
                                                                template.id)
        template = Template.create_from_snapshot(
                                    self.apiclient,
                                    snapshot,
                                    self.services["template"],
                                    random_name=False
                                    )

        templates = Template.list(
                                self.apiclient,
                                templatefilter=\
                                self.services["template"]["templatefilter"],
                                id=template.id
                                )
        self.assertEqual(
                            isinstance(templates, list),
                            True,
                            "Check list response returns a valid list"
                        )
        self.assertNotEqual(
                            templates,
                            None,
                            "Check if result exists in list item call"
                            )

        self.assertEqual(
                            templates[0].name,
                            self.services["template"]["name"],
                            "Check the name of the template"
                        )
        return

class TestDataPersistency(cloudstackTestCase):

    @classmethod
    def setUpClass(cls):

        cls.testClient = super(TestDataPersistency, cls).getClsTestClient()
        cls.api_client = cls.testClient.getApiClient()

        cls.services = cls.testClient.getParsedTestDataConfig()
        # Get Zone, Domain and templates
        cls.zone = get_zone(cls.api_client, cls.testClient.getZoneForTests())
        cls.domain = get_domain(cls.api_client)
        cls.services['mode'] = cls.zone.networktype
        cls.templateSupported = True
        cls.cleanup = []
        template = get_template(
                            cls.api_client,
                            cls.zone.id,
                            cls.services["ostype"]
                            )
        cls.hypervisor = cls.testClient.getHypervisorInfo()
        if cls.hypervisor.lower() in ['lxc']:
            cls.templateSupported = False
            return
        cls.services["virtual_machine"]["zoneid"] = cls.zone.id

        #Create an account, network, VM and IP addresses
        cls.account = Account.create(
                                     cls.api_client,
                                     cls.services["account"],
                                     domainid=cls.domain.id
                                     )

        cls.userapiclient = cls.testClient.getUserApiClient(
                            UserName=cls.account.name,
                            DomainName=cls.account.domain)

        cls.service_offering = ServiceOffering.create(
                                            cls.api_client,
                                            cls.services["service_offering"]
                                            )
        cls.virtual_machine = VirtualMachine.create(
                                    cls.api_client,
                                    cls.services["virtual_machine"],
                                    templateid=template.id,
                                    accountid=cls.account.name,
                                    domainid=cls.account.domainid,
                                    serviceofferingid=cls.service_offering.id,
                                    mode=cls.services["mode"]
                                    )
        cls.cleanup = [
                       cls.account,
                       cls.service_offering
                       ]
        return

    @classmethod
    def tearDownClass(cls):
        try:
            #Clean up, terminate the created templates
            cleanup_resources(cls.api_client, cls.cleanup)

        except Exception as e:
            raise Exception("Warning: Exception during cleanup : %s" % e)
        return

    def setUp(self):
        self.apiclient = self.testClient.getApiClient()
        if not self.templateSupported:
            self.skipTest("Template creation from root volume is not supported in LXC")
        return

    def tearDown(self):
        # No need
        return

    @attr(tags=["advanced", "basic", "advancedns", "eip"], required_hardware="true")
    def test_01_data_persistency_root_disk(self):
        """
        Test the timing issue of root disk data sync

        # 1. Write data to root disk of a VM
        # 2. Create a template from the root disk of VM
        # 3. Create a new VM from this template
        # 4. Check that the data is present in the new VM

        This is to test that data is persisted on root disk of VM or not
        when template is created immediately from it
        """

        ssh = self.virtual_machine.get_ssh_client()

        sampleText = "This is sample data"

        cmds = [
                "cd /root/",
                "touch testFile.txt",
                "chmod 600 testFile.txt",
                "echo %s >> testFile.txt" % sampleText
                ]
        for c in cmds:
            ssh.execute(c)

        #Stop virtual machine
        self.virtual_machine.stop(self.api_client)

        list_volume = Volume.list(
                            self.api_client,
                            virtualmachineid=self.virtual_machine.id,
                            type='ROOT',
                            listall=True)

        if isinstance(list_volume, list):
            self.volume = list_volume[0]
        else:
            raise Exception(
                "Exception: Unable to find root volume for VM: %s" %
                self.virtual_machine.id)

        self.services["template"]["ostype"] = self.services["ostype"]
        #Create templates for Edit, Delete & update permissions testcases
        customTemplate = Template.create(
                self.userapiclient,
                self.services["template"],
                self.volume.id,
                account=self.account.name,
                domainid=self.account.domainid
            )
        self.cleanup.append(customTemplate)
        # Delete the VM - No longer needed
        self.virtual_machine.delete(self.apiclient)

        virtual_machine = VirtualMachine.create(
                                    self.apiclient,
                                    self.services["virtual_machine"],
                                    templateid=customTemplate.id,
                                    accountid=self.account.name,
                                    domainid=self.account.domainid,
                                    serviceofferingid=self.service_offering.id,
                                    mode=self.services["mode"]
                                    )

        ssh = virtual_machine.get_ssh_client()

        response = ssh.execute("cat /root/testFile.txt")
        res = str(response[0])

        self.assertEqual(res, sampleText, "The data %s does not match\
                with sample test %s" %
                (res, sampleText))
        return