Exemplo n.º 1
0
Arquivo: sr.py Projeto: thomassa/xenrt
    def create(self,
               server=None,
               path=None,
               physical_size=0,
               content_type="",
               nosubdir=False):
        if not (server or path):
            if xenrt.TEC().lookup("FORCE_NFSSR_ON_CTRL", False, boolean=True):
                # Create an SR using an NFS export from the XenRT controller.
                # This should only be used for small and low I/O throughput
                # activities - VMs should never be installed on this.
                nfsexport = xenrt.NFSDirectory()
                server, path = nfsexport.getHostAndPath("")
            else:
                # Create an SR on an external NFS file server
                share = xenrt.ExternalNFSShare()
                nfs = share.getMount()
                r = re.search(r"([0-9\.]+):(\S+)", nfs)
                server = r.group(1)
                path = r.group(2)

        self.server = server
        self.path = path
        self._create("netfs",
                     "<host name='%s'/><dir path='%s'/>" % (server, path), "")
Exemplo n.º 2
0
    def getPrimaryStorageUrl(self, key, ref):
        if not ref.has_key("XRT_PriStorageType"):
            storageType = "NFS"
        else:
            storageType = ref['XRT_PriStorageType']

        if storageType == "NFS":
            if ref.has_key('XRT_Guest_NFS'):
                ssGuest = xenrt.TEC().registry.guestGet(ref['XRT_Guest_NFS'])
                xenrt.TEC().logverbose(
                    'Using guest %s for primary NFS storage' % (ssGuest.name))
                shareName = 'PS-%s-%s' % (self.currentClusterName, ''.join(
                    random.sample(
                        string.ascii_lowercase + string.ascii_uppercase, 6)))
                storagePath = ssGuest.createLinuxNfsShare(shareName)
                url = 'nfs://%s' % (storagePath.replace(':', ''))
            else:
                primaryStorage = xenrt.ExternalNFSShare()
                url = 'nfs://%s' % (primaryStorage.getMount().replace(':', ''))
        elif storageType == "SMB":
            h = xenrt.GEC().registry.hostGet("RESOURCE_HOST_%s" %
                                             ref['XRT_SMBHostId'])
            ip = h.getFQDN()
            url = "cifs://%s/storage/primary" % (ip)
            ad = xenrt.getADConfig()
        return url
Exemplo n.º 3
0
    def prepare(self, arglist=None):
        # Set up a pool of two machines, and install a VM.
        self.master = self.getHost("RESOURCE_HOST_0")
        self.master.resetToFreshInstall()
        if self.NEED_SLAVE:
            self.slave = self.getHost("RESOURCE_HOST_1")
            self.slave.resetToFreshInstall()

        self.pool = xenrt.lib.xenserver.poolFactory(
            self.master.productVersion)(self.master)

        if self.NEED_SLAVE:
            self.pool.addHost(self.slave)

        # Enable any FIST points and restart xapi...
        for fp in self.FIST_POINTS:
            for h in self.pool.getHosts():
                h.execdom0("touch /tmp/%s" % (fp))

        if len(self.FIST_POINTS) > 0:
            self.pool.master.restartToolstack()
            time.sleep(60)
            for h in self.pool.getSlaves():
                h.restartToolstack()
                time.sleep(30)
            time.sleep(30)

        sr = None
        try:
            sr = self.master.getLocalSR()
        except:
            pass

        if self.USE_NFS or not sr:
            # Create an NFS SR
            nfs = xenrt.ExternalNFSShare()
            nfsMount = nfs.getMount()
            r = re.search(r"([0-9\.]+):(\S+)", nfsMount)
            if not r:
                raise xenrt.XRTError("Unable to parse NFS paths %s" %
                                     (nfsMount))
            nfsSR = xenrt.lib.xenserver.NFSStorageRepository(
                self.master, "NFS")
            nfsSR.create(r.group(1), r.group(2))
            sr = nfsSR.uuid

        if self.VM_ON_SLAVE:
            self.guest = self.slave.createGenericLinuxGuest(start=False, sr=sr)
        else:
            self.guest = self.master.createGenericLinuxGuest(start=False,
                                                             sr=sr)

        # Remove any existing RRDs for this guest
        self.master.execdom0("rm -f /var/xapi/blobs/rrds/%s.gz || true" %
                             (self.guest.getUUID()))
        self.startTime = xenrt.util.timenow()
        self.guest.start()
Exemplo n.º 4
0
 def getnfs(self):
     rshare = xenrt.ExternalNFSShare()
     rpath = rshare.getMount()
     lshare = xenrt.rootops.MountNFS(rpath)
     lpath = lshare.getMount()
     self._nfs = {
         'rshare': rshare,
         'rpath': rpath,
         'lshare': lshare,
         'lpath': lpath
     }
     return self._nfs
Exemplo n.º 5
0
    def getSecondaryStorageUrl(self, key, ref):
        if not ref.has_key('provider'):
            provider = "NFS"
        else:
            provider = ref['provider']

        if provider == "NFS":
            if ref.has_key("XRT_Guest_NFS"):
                ssGuest = xenrt.TEC().registry.guestGet(ref['XRT_Guest_NFS'])
                xenrt.TEC().logverbose(
                    'Using guest %s for secondary NFS storage' %
                    (ssGuest.name))
                shareName = 'SS-%s-%s' % (self.currentZoneName, ''.join(
                    random.sample(
                        string.ascii_lowercase + string.ascii_uppercase, 6)))
                storagePath = ssGuest.createLinuxNfsShare(shareName)
                self.marvin.copySystemTemplatesToSecondaryStorage(
                    storagePath, 'NFS')
                url = 'nfs://%s' % (storagePath.replace(':', ''))
            elif self.initialNFSSecStorageUrl:
                url = self.initialNFSSecStorageUrl
                self.initialNFSSecStorageUrl = None
            else:
                secondaryStorage = xenrt.ExternalNFSShare()
                storagePath = secondaryStorage.getMount()
                url = 'nfs://%s' % (secondaryStorage.getMount().replace(
                    ':', ''))
                self.marvin.copySystemTemplatesToSecondaryStorage(
                    storagePath, 'NFS')
        elif provider == "SMB":
            if self.initialSMBSecStorageUrl:
                url = self.initialSMBSecStorageUrl
                self.initialSMBSecStorageUrl = None
            else:
                if xenrt.TEC().lookup("EXTERNAL_SMB", False, boolean=True):
                    secondaryStorage = xenrt.ExternalSMBShare()
                    url = 'cifs://%s' % (secondaryStorage.getMount().replace(
                        ':', ''))
                    storagePath = secondaryStorage.getMount()
                else:
                    h = xenrt.GEC().registry.hostGet("RESOURCE_HOST_%s" %
                                                     ref['XRT_SMBHostId'])
                    ip = h.getIP()
                    url = "cifs://%s/storage/secondary" % ip
                    storagePath = "%s:/storage/secondary" % ip

                self.marvin.copySystemTemplatesToSecondaryStorage(
                    storagePath, 'SMB')

        return url
Exemplo n.º 6
0
    def run(self, arglist):
        self.nfs = xenrt.ExternalNFSShare()
        resultName = None

        try:
            resultName = self.__runTestScript()
        finally:
            if not resultName:
                raise xenrt.XRTFailure(
                    "Could not get the result files from the powershell tests")

            xenrt.TEC().logverbose("Reading file %s...." % resultName)
            result = self.guest.xmlrpcReadFile(resultName)
            resultFile = resultName.split('\\')[-1]
            file("%s/%s" % (xenrt.TEC().getLogdir(), resultFile),
                 "w").write(result)
            try:
                self.parseResults(result)
            except:
                raise xenrt.XRTError("Error parsing XML results file.")
            for x in self.myresults:
                if x["state"] == "Fail":
                    raise xenrt.XRTFailure("One or more subcases failed.")
Exemplo n.º 7
0
    def setupManagementServer(self):
        self.primaryManagementServer.execcmd(
            'iptables -I INPUT -p tcp --dport 8096 -j ACCEPT')
        setupMsLoc = self.primaryManagementServer.execcmd(
            'find /usr/bin -name %s-setup-management' %
            (self.cmdPrefix)).strip()
        self.primaryManagementServer.execcmd(setupMsLoc)

        self.primaryManagementServer.execcmd(
            'mysql -u cloud --password=cloud -h %s --execute="UPDATE cloud.configuration SET value=8096 WHERE name=\'integration.api.port\'"'
            % self.dbServer.getIP())

        if xenrt.TEC().lookup("USE_CCP_SIMULATOR", False,
                              boolean=True) or self._simDbServer:
            # For some reason the cloud user doesn't seem to have access to the simulator DB
            self.primaryManagementServer.execcmd(
                """sed -i s/db.simulator.username=cloud/db.simulator.username=root/ /usr/share/cloudstack-management/conf/db.properties"""
            )
            self.primaryManagementServer.execcmd(
                """sed -i s/db.simulator.password=cloud/db.simulator.password=xensource/ /usr/share/cloudstack-management/conf/db.properties"""
            )
            self.primaryManagementServer.execcmd(
                """sed -i s/db.simulator.host=localhost/db.simulator.host=%s/ /usr/share/cloudstack-management/conf/db.properties"""
                % self.simDbServer.getIP())

        self.restart(checkHealth=False)
        self.checkManagementServerHealth(timeout=300)

        # We have to update templates *after* starting the management server as some templates are not introduced until DB schema updates are applied
        templateSubsts = {
            "http://download.cloud.com/templates/builtin/centos56-x86_64.vhd.bz2":
            "%s/cloudTemplates/centos56-x86_64.vhd.bz2" %
            xenrt.TEC().lookup("EXPORT_DISTFILES_HTTP"),
            "http://download.cloud.com/releases/4.3/centos6_4_64bit.vhd.bz2":
            "%s/cloudTemplates/centos6_4_64bit.vhd.bz2" %
            xenrt.TEC().lookup("EXPORT_DISTFILES_HTTP"),
            "http://nfs1.lab.vmops.com/templates/centos53-x86_64/latest/f59f18fb-ae94-4f97-afd2-f84755767aca.vhd.bz2":
            "%s/cloudTemplates/f59f18fb-ae94-4f97-afd2-f84755767aca.vhd.bz2" %
            xenrt.TEC().lookup("EXPORT_DISTFILES_HTTP"),
            "http://download.cloud.com/templates/builtin/f59f18fb-ae94-4f97-afd2-f84755767aca.vhd.bz2":
            "%s/cloudTemplates/f59f18fb-ae94-4f97-afd2-f84755767aca.vhd.bz2" %
            xenrt.TEC().lookup("EXPORT_DISTFILES_HTTP"),
            "http://download.cloud.com/releases/2.2.0/CentOS5.3-x86_64.ova":
            "%s/cloudTemplates/CentOS5.3-x86_64.ova" %
            xenrt.TEC().lookup("EXPORT_DISTFILES_HTTP"),
            "http://download.cloud.com/releases/2.2.0/eec2209b-9875-3c8d-92be-c001bd8a0faf.qcow2.bz2":
            "%s/cloudTemplates/eec2209b-9875-3c8d-92be-c001bd8a0faf.qcow2.bz2"
            % xenrt.TEC().lookup("EXPORT_DISTFILES_HTTP"),
            "http://download.cloud.com/templates/builtin/centos-7-x86_64.tar.gz":
            "%s/cloudTemplates/centos-7-x86_64.tar.gz" %
            xenrt.TEC().lookup("EXPORT_DISTFILES_HTTP")
        }

        if xenrt.TEC().lookup("MARVIN_BUILTIN_TEMPLATES", False, boolean=True):
            templateSubsts["http://download.cloud.com/templates/builtin/centos56-x86_64.vhd.bz2"] = \
                    "%s/cloudTemplates/centos56-httpd-64bit.vhd.bz2" % xenrt.TEC().lookup("EXPORT_DISTFILES_HTTP")
            templateSubsts["http://download.cloud.com/releases/2.2.0/CentOS5.3-x86_64.ova"] = \
                    "%s/cloudTemplates/centos53-httpd-64bit.ova" % xenrt.TEC().lookup("EXPORT_DISTFILES_HTTP")
            templateSubsts["http://download.cloud.com/releases/2.2.0/eec2209b-9875-3c8d-92be-c001bd8a0faf.qcow2.bz2"] = \
                    "%s/cloudTemplates/centos55-httpd-64bit.qcow2" % xenrt.TEC().lookup("EXPORT_DISTFILES_HTTP")

        for t in templateSubsts.keys():
            self.primaryManagementServer.execcmd(
                """mysql -u cloud --password=cloud -h %s --execute="UPDATE cloud.vm_template SET url='%s' WHERE url='%s'" """
                % (self.dbServer.getIP(), templateSubsts[t], t))

        self.restart()

        marvinApi = xenrt.lib.cloud.MarvinApi(self)

        internalMask = IPy.IP("%s/%s" % (xenrt.getNetworkParam(
            "NPRI", "SUBNET"), xenrt.getNetworkParam("NPRI", "SUBNETMASK")))

        if xenrt.TEC().lookup("USE_CCP_SIMULATOR", False,
                              boolean=True) or self._simDbServer:
            self.primaryManagementServer.execcmd(
                'mysql -u root --password=xensource -h %s < /usr/share/cloudstack-management/setup/hypervisor_capabilities.simulator.sql'
                % self.dbServer.getIP())
            self.primaryManagementServer.execcmd(
                'mysql -u root --password=xensource -h %s < /usr/share/cloudstack-management/setup/templates.simulator.sql'
                % self.dbServer.getIP())
        marvinApi.setCloudGlobalConfig("secstorage.allowed.internal.sites",
                                       internalMask.strNormal())
        if not xenrt.TEC().lookup("MARVIN_SETUP", False, boolean=True):
            marvinApi.setCloudGlobalConfig("use.external.dns", "true")
        endpoint_url = "http://%s:8096/client/api" % marvinApi.mgtSvrDetails.mgtSvrIp
        if self.additionalManagementServers:
            marvinApi.setCloudGlobalConfig("agent.lb.enabled", "true")
        marvinApi.setCloudGlobalConfig("endpointe.url", endpoint_url)
        marvinApi.setCloudGlobalConfig("check.pod.cidrs",
                                       "false",
                                       restartManagementServer=True)
        xenrt.GEC().dbconnect.jobUpdate("CLOUD_MGMT_SVR_IP",
                                        self.primaryManagementServer.getIP())
        xenrt.TEC().registry.toolstackPut(
            "cloud",
            xenrt.lib.cloud.CloudStack(place=self.primaryManagementServer))
        # Create one secondary storage, to speed up deployment.
        # Additional locations will need to be created during deployment
        hvlist = xenrt.TEC().lookup("CLOUD_REQ_SYS_TMPLS", None)
        if hvlist:
            hvlist = hvlist.split(",")
        else:
            hvlist = []
        if any(
                map(lambda hv: hv in hvlist,
                    ["kvm", "xenserver", "vmware", "lxc"])):
            secondaryStorage = xenrt.ExternalNFSShare()
            storagePath = secondaryStorage.getMount()
            url = 'nfs://%s' % (secondaryStorage.getMount().replace(':', ''))
            marvinApi.copySystemTemplatesToSecondaryStorage(storagePath, "NFS")
            self.primaryManagementServer.special[
                'initialNFSSecStorageUrl'] = url
        elif "hyperv" in hvlist:
            if xenrt.TEC().lookup("EXTERNAL_SMB", False, boolean=True):
                secondaryStorage = xenrt.ExternalSMBShare()
                storagePath = secondaryStorage.getMount()
                url = 'cifs://%s' % (secondaryStorage.getMount().replace(
                    ':', ''))
                marvinApi.copySystemTemplatesToSecondaryStorage(
                    storagePath, "SMB")
                self.primaryManagementServer.special[
                    'initialSMBSecStorageUrl'] = url

        if xenrt.TEC().lookup("CCP_CODE_COVERAGE", False, boolean=True):
            xenrt.TEC().logverbose("Enabling code coverage collection...")
            for m in self.allManagementServers:
                if m.execcmd("ls %s/setup_codecoverage.sh" % self.installDir,
                             retval="code") != 0:
                    raise xenrt.XRTError(
                        "CCP_CODE_COVERAGE set but setup_codecoverage.sh not found in build"
                    )
                m.execcmd("cd %s && ./setup_codecoverage.sh" % self.installDir)
            self.restart()
            xenrt.TEC().logverbose("...done")

        commit = None
        try:
            commit = self.primaryManagementServer.execcmd(
                "cloudstack-sccs").strip()
            xenrt.TEC().logverbose(
                "Management server was built from commit %s" % commit)
        except:
            xenrt.TEC().warning(
                "Error when trying to identify management server version")
        if commit:
            expectedCommit = xenrt.getCCPCommit(
                self.primaryManagementServer.distro)
            if expectedCommit and commit != expectedCommit:
                raise xenrt.XRTError(
                    "Management server commit %s does not match expected commit %s"
                    % (commit, expectedCommit))
Exemplo n.º 8
0
    def run(self, arglist):
        sftp = self.runner.sftpClient()
        sftp.copyTreeTo("%s/data/tests/marvin" % xenrt.TEC().lookup("XENRT_BASE"), "/root/marvin-scripts")
        try:
            testData = json.loads(self.runner.execguest("/root/marvin-scripts/getDefaultConfig.py"))
        except:
            xenrt.TEC().logverbose("test_data not supported")
        else:
            # Older versions of marvin don't have configurableData.
            # Initialise it to an empty dict here so we don't get exceptions
            # later on
            if not testData.has_key('configurableData'):
                testData['configurableData'] = {}
            if self.args.has_key("resources"):
                resources = self.args['resources'].split(",")
            else:   
                resources = []
            if "nfs" in resources:
                nfspath = xenrt.ExternalNFSShare().getMount()
                testData['nfs'] = {"url": "nfs://%s" % nfspath, "name": "Test NFS Storage"}
            if "iscsi" in resources:
                lun = xenrt.ISCSITemporaryLun(100)
                testData['iscsi'] = {"url": "iscsi://%s/%s/%d" % (lun.getServer(), lun.getTargetName(), lun.getLunID()), "name": "Test iSCSI Storage"}
                testData['configurableData']['iscsi'] = {"url": "iscsi://%s/%s/%d" % (lun.getServer(), lun.getTargetName(), lun.getLunID()), "name": "Test iSCSI Storage"}
            if "portableip" in resources:
                range = xenrt.StaticIP4Addr().getIPRange(4)
                testData['configurableData']['portableIpRange']['startip'] = range[0].getAddr()
                testData['configurableData']['portableIpRange']['endip'] = range[-1].getAddr()
                testData['configurableData']['portableIpRange']['gateway'] = xenrt.getNetworkParam("NPRI", "GATEWAY")
                testData['configurableData']['portableIpRange']['netmask'] = xenrt.getNetworkParam("NPRI", "SUBNETMASK")
                testData['configurableData']['portableIpRange']['vlan'] = 1000
            if "netscaler" in resources:
                netscaler = NetScaler.setupNetScalerVpx('NetScaler-VPX')
                netscaler.applyLicense(netscaler.getLicenseFileFromXenRT())
                testData['configurableData']['netscaler']['ipaddress'] = netscaler.managementIp
                testData['configurableData']['netscaler']['username'] = '******'
                testData['configurableData']['netscaler']['password'] = '******'
                testData['configurableData']['netscaler']['networkdevicetype'] = 'NetscalerVPXLoadBalancer'
                testData['configurableData']['netscaler']['publicinterface'] = '1/1'
                testData['configurableData']['netscaler']['privateinterface'] = '1/1'
                testData['configurableData']['netscaler']['numretries'] = '2'
            if self.args['hypervisor'].lower() == "hyperv":
                testData['service_offering']['memory'] = 512
                if "service_offerings" in testData:
                    testData['service_offerings']['memory'] = 512
                    testData['service_offerings']['cpuspeed'] = 500
                testData['service_offerings']['tiny']['memory'] = 512
                testData['service_offerings']['small']['memory'] = 512
                testData['service_offerings']['medium']['memory'] = 512
                testData['service_offerings']['big']['memory'] = 512

                testData['service_offering']['cpuspeed'] = 500
                testData['service_offerings']['tiny']['cpuspeed'] = 500
                testData['service_offerings']['small']['cpuspeed'] = 500
                testData['service_offerings']['medium']['cpuspeed'] = 500
                testData['service_offerings']['big']['cpuspeed'] = 500

            testData['hypervisor'] = self.args['hypervisor']
            testData['small']['hypervisor'] = self.args['hypervisor']
            if 'medium' in testData:
                testData['medium']['hypervisor'] = self.args['hypervisor']
            if 'server' in testData:
                testData['server']['hypervisor'] = self.args['hypervisor']
            if 'server_without_disk' in testData:
                testData['server_without_disk']['hypervisor'] = self.args['hypervisor']
            testData['host_password'] = xenrt.TEC().lookup("ROOT_PASSWORD")
            testData['configurableData']['host']['password'] = xenrt.TEC().lookup("ROOT_PASSWORD")
            # ISO replacements
            if testData['configurableData'].has_key("bootableIso"):
                testData['configurableData']['bootableIso']['url'] = "%s/centos63_x86-64_xenrtinst.iso" % xenrt.TEC().lookup("EXPORT_ISO_HTTP_STATIC")
            for i in ["iso", "iso1", "iso2"]:
                if testData.has_key(i):
                    testData[i]['url'] = "%s/dummy.iso" % xenrt.TEC().lookup("EXPORT_ISO_HTTP_STATIC")
            with open("%s/testdata.cfg" % xenrt.TEC().getLogdir(), "w") as f:
                f.write(json.dumps(testData, indent=2))
    
            sftp.copyTo("%s/testdata.cfg" % xenrt.TEC().getLogdir(), "/root/testdata.cfg")
            self.toolstack.marvinCfg['TestData'] = {'Path': "/root/testdata.cfg"}

        with open("%s/marvin.cfg" % xenrt.TEC().getLogdir(), "w") as f:
            f.write(json.dumps(self.toolstack.marvinCfg, indent=2))

        sftp.copyTo("%s/marvin.cfg" % xenrt.TEC().getLogdir(), "/root/marvin.cfg")
Exemplo n.º 9
0
    def run(self, arglist=None):
        if not self.HA:
            if not arglist or len(arglist) < 2:
                raise xenrt.XRTError("Need at least a master and a pool name.")
            poolname = arglist[0]
            mastername = arglist[1]
            host = xenrt.TEC().registry.hostGet(mastername)
            if not host:
                raise xenrt.XRTError("Unable to find host %s in registry." %
                                     (mastername))
            self.getLogsFrom(host)

            # Create the pool object with the master host.
            xenrt.TEC().logverbose("Creating standalone pool...")
            pool = xenrt.lib.xenserver.poolFactory(host.productVersion)(host)
            xenrt.TEC().logverbose("...pool created")

            # Set the crashdump and suspend default SRs to be the shared storage.
            if not xenrt.TEC().lookup(
                    "POOL_NO_DEFAULT_SR", False, boolean=True):
                sruuid = pool.master.parseListForUUID("sr-list", "name-label",
                                                      pool.master.defaultsr)
                pool.setPoolParam("default-SR", sruuid)
                pool.setPoolParam("crash-dump-SR", sruuid)
                pool.setPoolParam("suspend-image-SR", sruuid)
            else:
                # This is really to work around an annoying OEM trait...
                pool.clearPoolParam("crash-dump-SR")
                pool.clearPoolParam("suspend-image-SR")
            pool.setPoolParam("name-label", poolname)

            if xenrt.TEC().lookup("POOL_SHARED_DB", False, boolean=True):
                # Use shared DB on this pool
                pool.setupSharedDB()

            hostlist = xenrt.TEC().registry.hostList()
            hostlist.remove(mastername)

            xenrt.TEC().logverbose("Adding hosts to pool...")
            # Add other hosts to this pool.
            for slavename in hostlist:
                slave = xenrt.TEC().registry.hostGet(slavename)
                if not slave:
                    raise xenrt.XRTError(
                        "Unable to find host %s in registry." % (slavename))
                self.getLogsFrom(slave)
                pool.addHost(slave, force=True)
            pool.check()
            hostsAdded = pool.master.minimalList("host-list")
            if not len(hostsAdded) == self.MAX:
                raise xenrt.XRTFailure("Didnt find 16 hosts")
            xenrt.TEC().registry.poolPut(poolname, pool)

        elif self.HA:
            #Get the pool and the host
            pool = xenrt.TEC().registry.poolGet("mypool")
            host = xenrt.TEC().registry.hostGet("RESOURCE_HOST_0")

            #Attach an external nfs SR
            if self.SR == "nfs":
                xenrt.TEC().logverbose("Attaching the nfs SR to host 0")
                self.nfs = xenrt.ExternalNFSShare()
            srs = host.getSRs(type=self.SR)
            if len(srs) < 1:
                raise xenrt.XRTError("Couldn't find an %s SR" % (self.SR))
            sruuid = srs[0]

            #Enable HA on a pool
            pool.enableHA(srs=[sruuid])
            #Check HA is enabled on each host
            pool.checkHA()
            #Disable HA
            pool.disableHA()