def Detach_VDI(session, vbd_ref):
try:
session.xenapi.VBD.unplug(vbd_ref)
XenCertPrint("Unplugged VBD %s" % vbd_ref)
session.xenapi.VBD.destroy(vbd_ref)
XenCertPrint("Destroyed VBD %s" % vbd_ref)
except Exception as e:
raise Exception('VDI detach failed. Error: %s' % e)
def IsMPEnabled(session, host_ref):
try:
hconf = session.xenapi.host.get_other_config(host_ref)
XenCertPrint("Host.other_config: %s" % hconf)
if hconf['multipathing'] == 'true' and hconf[
'multipathhandle'] == 'dmp':
return True
except Exception, e:
XenCertPrint("Exception determining multipath status. Exception: %s" %
str(e))
def WriteDataToVDI(session, vbd_ref, startSec, endSec):
XenCertPrint('WriteDataToVDI(vbd_ref=%s, startSec=%s, endSec=%s, ->Enter)' \
% (vbd_ref, startSec, endSec))
try:
device = os.path.join('/dev/', session.xenapi.VBD.get_device(vbd_ref))
XenCertPrint('about to write onto device: %s' % device)
with open(device, 'w+') as f:
while startSec <= endSec:
f.seek(startSec * SECTOR_SIZE)
f.write(BUF_PATTERN)
startSec += 1
except Exception, e:
raise Exception('Writing data into VDI:%s Failed. Error: %s' \
% (vbd_ref, e))
def FindDiskDataTestEstimate(device, size):
# Run diskdatatest in a report mode
XenCertPrint(
"Run diskdatatest in a report mode with device %s to find the estimated time."
% device)
total_blocks, write_blocks, write_elapsed, verify_blocks, verify_elapsed = \
DiskDataTest(device, GetBlocksNum(size), test_time=15)
estimatedTime = total_blocks * (write_elapsed / write_blocks +
verify_elapsed / verify_blocks)
XenCertPrint(
"Total estimated time for testing IO with the device %s as %d" %
(device, estimatedTime))
return estimatedTime
def _find_LUN(svid):
basepath = "/dev/disk/by-csldev/"
if svid.startswith("NETAPP_"):
# special attention for NETAPP SVIDs
svid_parts = svid.split("__")
globstr = basepath + "NETAPP__LUN__" + "*" + svid_parts[
2] + "*" + svid_parts[-1] + "*"
else:
globstr = basepath + svid + "*"
path = util.wait_for_path_multi(globstr, MAX_TIMEOUT)
if not len(path):
return []
#Find CSLDEV paths
svid_to_use = re.sub("-[0-9]*:[0-9]*:[0-9]*:[0-9]*$", "",
os.path.basename(path))
devs = scsiutil._genReverseSCSIidmap(svid_to_use, pathname="csldev")
#Find scsiID
for dev in devs:
try:
SCSIid = scsiutil.getSCSIid(dev)
except:
pass
#Find root device and return
if not SCSIid:
return []
else:
device = mpath_dmp.path(SCSIid)
XenCertPrint("DEBUG: device path : %s" % (device))
return [device]
def unblockIP(ip):
try:
cmd = ['iptables', '-D', 'INPUT', '-s', ip, '-j', 'DROP']
util.pread(cmd)
except Exception, e:
XenCertPrint(
"There was an exception in unblocking ip: %s. Exception: %s" %
(ip, str(e)))
def parse_config(vendor, product):
device_config = None
try:
cmd = "show config"
XenCertPrint("mpath cmd: %s" % cmd)
(rc, stdout, stderr) = util.doexec(mpath_cli.mpathcmd, cmd)
XenCertPrint("mpath output: %s" % stdout)
d = parse_multipathd_config(
[line + '\n' for line in stdout.split('\n')])
XenCertPrint("mpath config to dict: %s" % d)
for _, device_value in d["devices"]:
XenCertPrint("device attributes: %s" % device_value)
attr_map = dict(device_value)
if 'vendor' not in attr_map or 'product' not in attr_map:
XenCertPrint(
"warning: skip the device attributes because can not find mandatory key vendor or product"
)
continue
re_vendor = re.compile(attr_map['vendor'].strip('"'))
re_product = re.compile(attr_map['product'].strip('"'))
if (re_vendor.search(vendor) and re_product.search(product)):
XenCertPrint("matched vendor and product")
device_config = dict(multiPathDefaultsMap.items() +
attr_map.items())
break
except Exception, e:
XenCertPrint(
"Failed to get multipath config for vendor: %s and product: %s. Exception: %s"
% (vendor, product, str(e)))
def DestroySR(session, sr_ref):
try:
# First get the PBDs
pbds = session.xenapi.SR.get_PBDs(sr_ref)
XenCertPrint("Got the list of pbds for the sr %s as %s" %
(sr_ref, pbds))
XenCertPrint(" - Now unplug PBDs for the SR.")
for pbd in pbds:
XenCertPrint("Unplugging PBD: %s" % pbd)
session.xenapi.PBD.unplug(pbd)
XenCertPrint("Now destroying the SR: %s" % sr_ref)
session.xenapi.SR.destroy(sr_ref)
displayOperationStatus(True)
except Exception, e:
displayOperationStatus(False)
raise Exception(str(e))
def disable_multipathing(session, host):
try:
session.xenapi.host.remove_from_other_config(host, 'multipathing')
session.xenapi.host.remove_from_other_config(host, 'multipathhandle')
session.xenapi.host.add_to_other_config(host, 'multipathing', 'false')
except Exception, e:
XenCertPrint("Exception disabling multipathing. Exception: %s" %
str(e))
def DiskDataTest(device,
test_blocks,
sect_of_block=DDT_DEFAULT_BLOCK_SIZE,
test_time=0):
iter_start = str(random.randint(0, 100000))
cmd = [
DISKDATATEST, 'write', device,
str(sect_of_block),
str(test_blocks),
str(test_time), iter_start
]
XenCertPrint("The command to be fired is: %s" % cmd)
(rc, stdout, stderr) = util.doexec(cmd)
if rc != 0:
raise Exception("Disk test write error!")
XenCertPrint("diskdatatest returned : %s" % stdout)
lastString = stdout.strip().splitlines()[-1]
total_blocks, write_blocks, write_elapsed, _ = lastString.split()
total_blocks, write_blocks, write_elapsed = int(total_blocks), int(
write_blocks), float(write_elapsed)
cmd = [
DISKDATATEST, 'verify', device,
str(sect_of_block),
str(write_blocks),
str(test_time), iter_start
]
XenCertPrint("The command to be fired is: %s" % cmd)
(rc, stdout, stderr) = util.doexec(cmd)
if rc != 0:
raise Exception("Disk test verify error!")
XenCertPrint("diskdatatest returned : %s" % stdout)
lastString = stdout.strip().splitlines()[-1]
_, verify_blocks, verify_elapsed, sector_errors = lastString.split()
verify_blocks, verify_elapsed, sector_errors = int(verify_blocks), float(
verify_elapsed), int(sector_errors)
if sector_errors != 0:
raise Exception("Disk test verify error on %d sectors!", sector_errors)
return total_blocks, write_blocks, write_elapsed, verify_blocks, verify_elapsed
def findIPAddress(mapHostToIP, HBTL):
try:
host = HBTL.split(':')[0]
if host in mapHostToIP and mapHostToIP[host][0]:
return mapHostToIP[host][0]
except Exception, e:
XenCertPrint(
"Failed to find IP address for HBTL: %s, mapHostToIP: %s, exception: %s"
% (HBTL, mapHostToIP, str(e)))
raise Exception("No IP for HBTL %s in %s" % (HBTL, mapHostToIP))
def FindTimeToWriteData(devicename, sizeInMiB):
ddOutFile = 'of=' + devicename
XenCertPrint(
"Now copy %dMiB data from /dev/zero to this device and record the time taken to copy it."
% sizeInMiB)
cmd = [
'dd', 'if=/dev/zero', ddOutFile, 'bs=4096',
'count=%d' % (sizeInMiB * 256)
]
try:
(rc, stdout, stderr) = util.doexec(cmd, '')
list = stderr.split('\n')
timeTaken = list[2].split(',')[1]
dataCopyTime = int(float(timeTaken.split()[0]))
XenCertPrint("The IO test returned rc: %s stdout: %s, stderr: %s" %
(rc, stdout, stderr))
XenCertPrint("Time taken to copy %dMiB to the device %s is %d" %
(sizeInMiB, devicename, dataCopyTime))
return dataCopyTime
except Exception, e:
raise Exception(str(e))
def GetConfig(scsiid):
try:
retVal = True
configMap = {}
device = scsiutil._genReverseSCSIidmap(scsiid)[0]
XenCertPrint("GetConfig - device: %s" % device)
cmd = [
"/usr/lib/udev/scsi_id", "--replace-whitespace", "--whitelisted",
"--export", device
]
ret = util.pread2(cmd)
XenCertPrint("GetConfig - scsi_if output: %s" % ret)
for tuple in ret.split('\n'):
if tuple.find('=') != -1:
configMap[tuple.split('=')[0]] = tuple.split('=')[1]
except Exception, e:
XenCertPrint(
"There was an exception getting SCSI device config. Exception: %s"
% str(e))
retVal = False
def VerifyDataOnVDI(session, vbd_ref, startSec, endSec):
XenCertPrint('VerifyDataOnVDI(vdi_ref=%s, startSec=%s, endSec=%s ->Enter)' \
% (vbd_ref, startSec, endSec))
try:
device = os.path.join('/dev/', session.xenapi.VBD.get_device(vbd_ref))
XenCertPrint('about to read from device: %s' % device)
expect = BUF_PATTERN
with open(device, 'r+') as f:
while startSec <= endSec:
f.seek(startSec * SECTOR_SIZE)
actual = f.read(len(expect))
if actual != expect:
raise Exception('expected:%s != actual:%s'\
% (expect, actual))
startSec += 1
except Exception, e:
raise Exception('Verification of data in VDI:%s Failed. Error:%s'\
% (vbd_ref, e))
def PlugAndUnplugPBDs(session, sr_ref, count):
PrintOnSameLine(
" Unplugging and plugging PBDs over %d iterations. Iteration number: "
% count)
try:
checkPoint = 0
for j in range(0, count):
PrintOnSameLine(str(j))
PrintOnSameLine('..')
pbds = session.xenapi.SR.get_PBDs(sr_ref)
XenCertPrint("Got the list of pbds for the sr %s as %s" %
(sr_ref, pbds))
for pbd in pbds:
XenCertPrint("Looking at PBD: %s" % pbd)
session.xenapi.PBD.unplug(pbd)
session.xenapi.PBD.plug(pbd)
checkPoint += 1
PrintOnSameLine('\b\b ')
PrintOnSameLine('\n')
except Exception, e:
Print(" Exception: %s" % str(e))
displayOperationStatus(False)
def Attach_VDI(session, vdi_ref, vm_ref):
vbd_ref = None
try:
Print(" Create a VBD on the VDI and plug it into VM requested")
freedevs = session.xenapi.VM.get_allowed_VBD_devices(vm_ref)
XenCertPrint("Got free devs as %s" % freedevs)
if not len(freedevs):
err_str = "No free devs found for VM: %s!" % vm_ref
XenCertPrint(err_str)
raise Exception(err_str)
XenCertPrint("Allowed devs: %s (using %s)" % (freedevs, freedevs[0]))
# Populate VBD args
args = {}
args['VM'] = vm_ref
args['VDI'] = vdi_ref
args['userdevice'] = freedevs[0]
args['bootable'] = False
args['mode'] = 'RW'
args['type'] = 'Disk'
args['unpluggable'] = True
args['empty'] = False
args['other_config'] = {}
args['qos_algorithm_type'] = ''
args['qos_algorithm_params'] = {}
XenCertPrint("The VBD create parameters are %s" % args)
vbd_ref = session.xenapi.VBD.create(args)
session.xenapi.VBD.plug(vbd_ref)
XenCertPrint("Created new VBD %s" % vbd_ref)
return vbd_ref
except Exception, e:
Print(" Exception Creating VBD and plugging it into VM: %s" % vm_ref)
raise
def get_lun_scsiid_devicename_mapping(targetIQN, portal):
iscsilib.refresh_luns(targetIQN, portal)
lunToScsiId = {}
path = os.path.join("/dev/iscsi", targetIQN, portal)
try:
for file in util.listdir(path):
realPath = os.path.realpath(os.path.join(path, file))
if file.find("LUN") == 0 and file.find("_") == -1:
lun = file.replace("LUN", "")
scsi_id = scsiutil.getSCSIid(os.path.join(path, file))
lunToScsiId[lun] = (scsi_id, realPath)
return lunToScsiId
except util.CommandException, inst:
XenCertPrint("Failed to find any LUNs for IQN: %s and portal: %s" %
(targetIQN, portal))
return {}
def _init_adapters():
# Generate a list of active adapters
ids = scsiutil._genHostList(ISCSI_PROCNAME)
util.SMlog("Host ids: %s" % ids)
adapter = {}
for host in ids:
try:
if hasattr(iscsilib, 'get_targetIP_and_port'):
(addr, port) = iscsilib.get_targetIP_and_port(host)
else:
addr = util.get_single_entry(
glob.glob(
'/sys/class/iscsi_host/host%s/device/session*/connection*/iscsi_connection*/persistent_address'
% host)[0])
port = util.get_single_entry(
glob.glob(
'/sys/class/iscsi_host/host%s/device/session*/connection*/iscsi_connection*/persistent_port'
% host)[0])
adapter[host] = (addr, port)
except Exception, e:
XenCertPrint("Ignore host %d IP because of exception %s" %
(host, str(e)))
def get_path_status(scsi_id, onlyActive=False):
listPaths = []
list = []
retVal = True
try:
lines = mpath_cli.get_topology(scsi_id)
listPaths = []
for line in lines:
m = mpath_cli.regex.search(line)
if (m):
listPaths.append(line)
XenCertPrint("list_paths returned: %s" % listPaths)
# Extract hbtl, dm and path status from the multipath topology output
# e.g. "| |- 0:0:0:0 sda 8:0 active ready running"
pat = re.compile(r'(\d+:\d+:\d+:\d+.*)$')
for node in listPaths:
XenCertPrint("Looking at node: %s" % node)
match_res = pat.search(node)
if match_res is None:
continue
# Extract path info if pattern matched successfully
l = match_res.group(1).split()
hbtl = l[0]
dm_status = l[3]
path_status = l[4]
XenCertPrint("HBTL: %s" % hbtl)
XenCertPrint("Path status: %s, %s" % (dm_status, path_status))
if onlyActive:
if dm_status == 'active':
list.append((hbtl, dm_status, path_status))
else:
list.append((hbtl, dm_status, path_status))
XenCertPrint("Returning list: %s" % list)
except Exception, e:
XenCertPrint(
"There was some exception in getting path status for scsi id: %s. Exception: %s"
% (scsi_id, str(e)))
retVal = False
break
XenCertPrint("The portal list at the end of the iteration is: %s" %
listPortal)
except Exception, e:
raise Exception(
"The target %s did not return any IQNs on probe. Exception: %s"
% (server, str(e)))
# Now probe again with each IQN in turn.
for iqn in targetIqn.split(','):
try:
device_config['targetIQN'] = iqn
device_config_tmp = getConfigWithHiddenPassword(
device_config, 'iscsi')
XenCertPrint("Probing with device config: %s" %
device_config_tmp)
session.xenapi.SR.probe(util.get_localhost_uuid(session),
device_config, 'lvmoiscsi')
except Exception, e:
XenCertPrint("Got the probe data as: %s" % str(e))
# Now extract the SCSI ID list from this data.
try:
# If there are no LUNs exposed, the probe data can be an empty xml
# so be prepared for it
items = str(e).split(',')
xmlstr = ''
for i in range(3, len(items)):
xmlstr += items[i]
xmlstr += ','
#xmlstr = str(e).split(',')[3]
def GetListPortalScsiIdForIqn(session,
server,
targetIqn,
chapUser=None,
chapPassword=None):
try:
listPortal = []
listSCSIId = []
device_config = {}
device_config['target'] = server
if chapUser is not None and chapPassword is not None:
device_config['chapuser'] = chapUser
device_config['chappassword'] = chapPassword
try:
session.xenapi.SR.probe(util.get_localhost_uuid(session),
device_config, 'lvmoiscsi')
except Exception, e:
XenCertPrint("Got the probe data as: %s" % str(e))
# Now extract the IQN list from this data.
try:
# the target may not return any IQNs
# so prepare for it
items = str(e).split(',')
xmlstr = ''
for i in range(3, len(items)):
xmlstr += items[i]
xmlstr += ','
#xmlstr = str(e).split(',')[3]
xmlstr = xmlstr.strip(',')
xmlstr = xmlstr.lstrip()
xmlstr = xmlstr.lstrip('\'')
xmlstr = xmlstr.rstrip()
xmlstr = xmlstr.rstrip('\]')
xmlstr = xmlstr.rstrip('\'')
xmlstr = xmlstr.replace('\\n', '')
xmlstr = xmlstr.replace('\\t', '')
XenCertPrint("Got the probe xml as: %s" % xmlstr)
dom = xml.dom.minidom.parseString(xmlstr)
TgtList = dom.getElementsByTagName("TGT")
for tgt in TgtList:
iqn = None
portal = None
for node in tgt.childNodes:
if node.nodeName == 'TargetIQN':
iqn = node.firstChild.nodeValue
if node.nodeName == 'IPAddress':
portal = node.firstChild.nodeValue
XenCertPrint("Got iqn: %s, portal: %s" % (iqn, portal))
XenCertPrint("The target IQN is: %s" % targetIqn)
if iqn == '*':
continue
for targetiqn in targetIqn.split(','):
if iqn == targetiqn:
listPortal.append(portal)
break
XenCertPrint("The portal list at the end of the iteration is: %s" %
listPortal)
except Exception, e:
raise Exception(
"The target %s did not return any IQNs on probe. Exception: %s"
% (server, str(e)))
def GetHBAInformation(session, storage_conf, sr_type="lvmohba"):
try:
retVal = True
list = []
scsiIdList = []
device_config = {}
HBAFilter = {}
# Generate a map of the HBAs that the user want to test against.
if storage_conf['adapters'] is not None:
for hba in storage_conf['adapters'].split(','):
HBAFilter[hba] = 1
try:
session.xenapi.SR.probe(util.get_localhost_uuid(session),
device_config, sr_type)
except Exception, e:
XenCertPrint("Got the probe data as: %s" % str(e))
# Now extract the HBA information from this data.
try:
# the target may not return any IQNs
# so prepare for it
xmlstr = extract_xml_from_exception(e)
xmlstr = xmlstr.lstrip()
xmlstr = xmlstr.lstrip('\'')
xmlstr = xmlstr.rstrip()
xmlstr = xmlstr.rstrip('\]')
xmlstr = xmlstr.rstrip('\'')
xmlstr = xmlstr.replace('\\n', '')
xmlstr = xmlstr.replace('\\t', '')
XenCertPrint("Got the probe xml as: %s" % xmlstr)
dom = xml.dom.minidom.parseString(xmlstr)
TgtList = dom.getElementsByTagName("Adapter")
for tgt in TgtList:
map = {}
for node in tgt.childNodes:
map[node.nodeName] = node.firstChild.nodeValue
if len(HBAFilter) != 0:
if HBAFilter.has_key(map['host']):
list.append(map)
else:
list.append(map)
bdList = dom.getElementsByTagName("BlockDevice")
for bd in bdList:
for node in bd.childNodes:
if node.nodeName == 'SCSIid':
SCSIid = node.firstChild.nodeValue
elif node.nodeName == 'adapter':
adapter = ''.join(
["host", node.firstChild.nodeValue])
if len(HBAFilter) != 0:
if HBAFilter.has_key(adapter):
scsiIdList.append(SCSIid)
else:
scsiIdList.append(SCSIid)
XenCertPrint("The HBA information list being returned is: %s" %
list)
except Exception, e:
XenCertPrint("Failed to parse %s probe xml. Exception: %s" %
(sr_type, str(e)))
def CreateMaxSizeVDIAndVBD(session, sr_ref):
vdi_ref = None
vbd_ref = None
retVal = True
vdi_size = 0
try:
try:
Print(" Create a VDI on the SR of the maximum available size.")
session.xenapi.SR.scan(sr_ref)
pSize = session.xenapi.SR.get_physical_size(sr_ref)
pUtil = session.xenapi.SR.get_physical_utilisation(sr_ref)
vdi_size_act = actualSRFreeSpace(int(pSize) - int(pUtil))
vdi_size = str(min(
1073741824, vdi_size_act)) # 1073741824 is by wkc hack (1GB)
XenCertPrint("Actual SR free space: %d, and used VDI size %s" %
(vdi_size_act, vdi_size))
# Populate VDI args
args = {}
args['name_label'] = 'XenCertTestVDI'
args['SR'] = sr_ref
args['name_description'] = ''
args['virtual_size'] = vdi_size
args['type'] = 'user'
args['sharable'] = False
args['read_only'] = False
args['other_config'] = {}
args['sm_config'] = {}
args['xenstore_data'] = {}
args['tags'] = []
XenCertPrint("The VDI create parameters are %s" % args)
vdi_ref = session.xenapi.VDI.create(args)
XenCertPrint("Created new VDI %s" % vdi_ref)
displayOperationStatus(True)
except Exception, e:
displayOperationStatus(False)
raise Exception(str(e))
Print(" Create a VBD on this VDI and plug it into dom0")
try:
vm_uuid = _get_localhost_uuid()
XenCertPrint("Got vm_uuid as %s" % vm_uuid)
vm_ref = session.xenapi.VM.get_by_uuid(vm_uuid)
XenCertPrint("Got vm_ref as %s" % vm_ref)
freedevs = session.xenapi.VM.get_allowed_VBD_devices(vm_ref)
XenCertPrint("Got free devs as %s" % freedevs)
if not len(freedevs):
raise Exception("No free devs found for VM: %s!" % vm_ref)
XenCertPrint("Allowed devs: %s (using %s)" %
(freedevs, freedevs[0]))
# Populate VBD args
args = {}
args['VM'] = vm_ref
args['VDI'] = vdi_ref
args['userdevice'] = freedevs[0]
args['bootable'] = False
args['mode'] = 'RW'
args['type'] = 'Disk'
args['unpluggable'] = True
args['empty'] = False
args['other_config'] = {}
args['qos_algorithm_type'] = ''
args['qos_algorithm_params'] = {}
XenCertPrint("The VBD create parameters are %s" % args)
vbd_ref = session.xenapi.VBD.create(args)
XenCertPrint("Created new VBD %s" % vbd_ref)
session.xenapi.VBD.plug(vbd_ref)
displayOperationStatus(True)
except Exception, e:
displayOperationStatus(False)
raise Exception(str(e))
def PerformSRControlPathTests(session, sr_ref):
e = None
try:
checkPoint = 0
vdi_ref = None
vbd_ref = None
retVal = True
(retVal, vdi_ref, vbd_ref,
vdi_size) = CreateMaxSizeVDIAndVBD(session, sr_ref)
if not retVal:
raise Exception("Failed to create max size VDI and VBD.")
checkPoint += 2
# Now try to zero out the entire disk
Print(
" Now attempt to write the maximum number of bytes on this newly plugged device."
)
devicename = '/dev/' + session.xenapi.VBD.get_device(vbd_ref)
XenCertPrint(
"First finding out the time taken to write 1GB on the device.")
timeFor512MiBSec = FindTimeToWriteData(devicename, 512)
timeToWrite = int(
(float(vdi_size) / (1024 * 1024 * 1024)) * (timeFor512MiBSec * 2))
if timeToWrite > timeLimitControlInSec:
raise Exception(
"Writing through this device will take more than %s hours, please use a source upto %s GiB in size."
% (timeLimitControlInSec / 3600, timeLimitControlInSec /
(timeFor512MiBSec * 2)))
minutes = 0
hrs = 0
if timeToWrite > 60:
minutes = int(timeToWrite / 60)
timeToWrite = int(timeToWrite - (minutes * 60))
if minutes > 60:
hrs = int(minutes / 60)
minutes = int(minutes - (hrs * 60))
Print(" START TIME: %s " % (time.asctime(time.localtime())))
if hrs > 0:
Print(
" APPROXIMATE RUN TIME: %s hours, %s minutes, %s seconds." %
(hrs, minutes, timeToWrite))
elif minutes > 0:
Print(" APPROXIMATE RUN TIME: %s minutes, %s seconds." %
(minutes, timeToWrite))
elif timeToWrite > 0:
Print(" APPROXIMATE RUN TIME: %s seconds." % (timeToWrite))
ddOutFile = 'of=' + devicename
bytes = 0
if not util.zeroOut(devicename, 1, int(vdi_size)):
raise Exception(
" - Could not write through the allocated disk space on test disk, please check the log for the exception details."
)
Print(" END TIME: %s " % (time.asctime(time.localtime())))
displayOperationStatus(True)
checkPoint += 1
except Exception, e:
Print(
"There was an exception performing control path stress tests. Exception: %s"
% str(e))
retVal = False
