def vol_resize_delta(params):
"""test volume resize with delta flags"""
global logger
logger = params['logger']
poolname = params['poolname']
volname = params['volname']
capacity = params['capacity']
logger.info("the poolname is %s, volname is %s" % (poolname, volname))
logger.info("the capacity given is %s" % capacity)
out = utils.get_capacity_suffix_size(capacity)
capacity_val = out['capacity_byte']
logger.debug("the capacity to byte is %s" % capacity_val)
conn = sharedmod.libvirtobj['conn']
try:
poolobj = conn.storagePoolLookupByName(poolname)
vol = poolobj.storageVolLookupByName(volname)
logger.info("get volume info before resize")
out = vol.info()
pre_capacity = out[1]
pre_allocation = out[2]
logger.info("volume capacity is %s bytes, allocation is %s bytes" %
(pre_capacity, pre_allocation))
flag = libvirt.VIR_STORAGE_VOL_RESIZE_DELTA
logger.info("resize %s with capacity %s in pool %s using flag: %s" %
(volname, capacity, poolname, flag))
vol.resize(capacity_val, flag)
logger.info("get volume info after resize")
out = vol.info()
post_capacity = out[1]
post_allocation = out[2]
logger.info("volume capacity is %s bytes, allocation is %s bytes" %
(post_capacity, post_allocation))
logger.info("check resize effect")
if post_capacity - pre_capacity == capacity_val:
logger.info("increased size is expected")
else:
logger.error("increase size not equal to set, resize failed")
return 1
if pre_allocation == post_allocation:
logger.info("allocation is expected")
else:
logger.error("allocation changed, resize failed")
return 1
logger.info("resize succeed")
except libvirtError, e:
logger.error("libvirt call failed: " + str(e))
return 1
def write_file(path, capacity):
"""write test data to file
"""
logger.info("write %s data into file %s" % (capacity, path))
out = utils.get_capacity_suffix_size(capacity)
f = open(path, 'w')
datastr = ''.join(string.lowercase + string.uppercase + string.digits +
'.' + '\n')
repeat = out['capacity_byte'] / 64
data = ''.join(repeat * datastr)
f.write(data)
f.close()
def write_file(path, capacity):
"""write test data to file
"""
logger.info("write %s data into file %s" % (capacity, path))
out = utils.get_capacity_suffix_size(capacity)
f = open(path, 'w')
datastr = ''.join(string.lowercase + string.uppercase
+ string.digits + '.' + '\n')
repeat = out['capacity_byte'] / 64
data = ''.join(repeat * datastr)
f.write(data)
f.close()
def vol_resize_delta(params):
"""test volume resize with delta flags"""
global logger
logger = params['logger']
poolname = params['poolname']
volname = params['volname']
capacity = params['capacity']
logger.info("the poolname is %s, volname is %s" %
(poolname, volname))
logger.info("the capacity given is %s" % capacity)
out = utils.get_capacity_suffix_size(capacity)
capacity_val = out['capacity_byte']
logger.debug("the capacity to byte is %s" % capacity_val)
conn = sharedmod.libvirtobj['conn']
try:
poolobj = conn.storagePoolLookupByName(poolname)
vol = poolobj.storageVolLookupByName(volname)
logger.info("get volume info before resize")
out = vol.info()
pre_capacity = out[1]
pre_allocation = out[2]
logger.info("volume capacity is %s bytes, allocation is %s bytes" %
(pre_capacity, pre_allocation))
flag = libvirt.VIR_STORAGE_VOL_RESIZE_DELTA
logger.info("resize %s with capacity %s in pool %s using flag: %s"
% (volname, capacity, poolname, flag))
vol.resize(capacity_val, flag)
logger.info("get volume info after resize")
out = vol.info()
post_capacity = out[1]
post_allocation = out[2]
logger.info("volume capacity is %s bytes, allocation is %s bytes" %
(post_capacity, post_allocation))
logger.info("check resize effect")
if post_capacity - pre_capacity == capacity_val:
logger.info("increased size is expected")
else:
logger.error("increase size not equal to set, resize failed")
return 1
if pre_allocation == post_allocation:
logger.info("allocation is expected")
else:
logger.error("allocation changed, resize failed")
return 1
logger.info("resize succeed")
except libvirtError as e:
logger.error("libvirt call failed: " + str(e))
return 1
return 0
def dir_vol_wipe(params):
"""test volume download and check"""
global logger
logger = params['logger']
poolname = params['poolname']
volname = params['volname']
volformat = params['volformat']
capacity = params['capacity']
xmlstr = params['xml']
logger.info("the poolname is %s, volname is %s, volformat is %s" %
(poolname, volname, volformat))
conn = sharedmod.libvirtobj['conn']
try:
poolobj = conn.storagePoolLookupByName(poolname)
path_value = get_pool_path(poolobj)
volume_path = path_value + "/" + volname
xmlstr = xmlstr.replace('VOLPATH', volume_path)
xmlstr = xmlstr.replace('SUFFIX', capacity[-1])
xmlstr = xmlstr.replace('CAP', capacity[:-1])
logger.debug("volume xml:\n%s" % xmlstr)
logger.info("create %s %s volume" % (volname, volformat))
vol = poolobj.createXML(xmlstr, 0)
write_file(volume_path, capacity)
poolobj.refresh(0)
origdigest = utils.digest(volume_path, 0, 0)
logger.debug("the md5 hex digest of data read from %s is: %s" %
(volume_path, origdigest))
test_path = path_value + "/" + "vol_test"
out = utils.get_capacity_suffix_size(capacity)
count = out['capacity_byte'] / 1024
logger.info("write %s zero to test volume %s" % (capacity, test_path))
cmd = "dd if=/dev/zero of=%s bs=1024 count=%s" % (test_path, count)
utils.exec_cmd(cmd, shell=True)
cmpdigest = utils.digest(test_path, 0, 0)
logger.debug("the compare volume digest is: %s" % cmpdigest)
logger.info("wipe volume %s" % volume_path)
vol.wipe(0)
newdigest = utils.digest(volume_path, 0, 0)
logger.debug("the volum digest of data read from %s after wipe is: %s"
% (volume_path, newdigest))
logger.info("check the digest before and after wipe")
if newdigest == origdigest:
logger.error("wipe failed, digest did not change")
return 1
else:
logger.info("digest is different before and after wipe")
logger.info("compare the digest after wipe with digest of volume %s" %
test_path)
if not newdigest == cmpdigest:
logger.error("wipe failed, digest is different")
return 1
else:
logger.info("digest is same with zero volume %s" % test_path)
logger.info("wipe succeed")
except libvirtError, e:
logger.error("libvirt call failed: " + str(e))
return 1
def dir_vol_wipe(params):
"""test volume download and check"""
global logger
logger = params['logger']
poolname = params['poolname']
volname = params['volname']
volformat = params['volformat']
capacity = params['capacity']
xmlstr = params['xml']
logger.info("the poolname is %s, volname is %s, volformat is %s" %
(poolname, volname, volformat))
conn = sharedmod.libvirtobj['conn']
try:
poolobj = conn.storagePoolLookupByName(poolname)
path_value = get_pool_path(poolobj)
volume_path = path_value + "/" + volname
xmlstr = xmlstr.replace('VOLPATH', volume_path)
xmlstr = xmlstr.replace('SUFFIX', capacity[-1])
xmlstr = xmlstr.replace('CAP', capacity[:-1])
logger.debug("volume xml:\n%s" % xmlstr)
logger.info("create %s %s volume" % (volname, volformat))
vol = poolobj.createXML(xmlstr, 0)
write_file(volume_path, capacity)
poolobj.refresh(0)
origdigest = utils.digest(volume_path, 0, 0)
logger.debug("the md5 hex digest of data read from %s is: %s" %
(volume_path, origdigest))
test_path = path_value + "/" + "vol_test"
out = utils.get_capacity_suffix_size(capacity)
count = out['capacity_byte'] / 1024
logger.info("write %s zero to test volume %s" % (capacity, test_path))
cmd = "dd if=/dev/zero of=%s bs=1024 count=%s" % (test_path, count)
utils.exec_cmd(cmd, shell=True)
cmpdigest = utils.digest(test_path, 0, 0)
logger.debug("the compare volume digest is: %s" % cmpdigest)
logger.info("wipe volume %s" % volume_path)
vol.wipe(0)
newdigest = utils.digest(volume_path, 0, 0)
logger.debug(
"the volum digest of data read from %s after wipe is: %s" %
(volume_path, newdigest))
logger.info("check the digest before and after wipe")
if newdigest == origdigest:
logger.error("wipe failed, digest did not change")
return 1
else:
logger.info("digest is different before and after wipe")
logger.info("compare the digest after wipe with digest of volume %s" %
test_path)
if not newdigest == cmpdigest:
logger.error("wipe failed, digest is different")
return 1
else:
logger.info("digest is same with zero volume %s" % test_path)
logger.info("wipe succeed")
except libvirtError as e:
logger.error("libvirt call failed: " + str(e))
return 1
return 0
