def create(self, sr_uuid, vdi_uuid, size):
if not self.sr.isMaster:
util.SMlog('vdi_create blocked for non-master')
raise xs_errors.XenError('LVMMaster')
try:
mb = 1024L * 1024L
size_mb = (long(size) + mb - 1L) / mb # round up
# Rather than bailing out for small sizes, just round up to 1 MiB. The
# LVM code will round up to the nearest PE size anyway (probably 4 MiB)
if size_mb == 0:
size_mb = 1
if lvutil._checkLV(self.path):
raise xs_errors.XenError('VDIExists')
# Verify there's sufficient space for the VDI
stats = lvutil._getVGstats(self.sr.vgname)
freespace = stats['physical_size'] - stats['physical_utilisation']
if freespace < long(size):
raise xs_errors.XenError('SRNoSpace')
cmd = ["lvcreate", "-n", self.lvname, "-L", str(size_mb), \
self.sr.vgname]
text = util.pread2(cmd)
cmd = ["lvchange", "-an", self.path]
text = util.pread2(cmd)
self.size = lvutil._getLVsize(self.path)
self.utilisation = self.size
except util.CommandException, inst:
raise xs_errors.XenError('LVMCreate', \
opterr='lv operation failed error is %d' % inst.code)
def create(self, sr_uuid, size):
if self._checkmount():
raise xs_errors.XenError('SRExists')
# Check none of the devices already in use by other PBDs
if util.test_hostPBD_devs(self.session, sr_uuid, self.root):
raise xs_errors.XenError('SRInUse')
# Check serial number entry in SR records
for dev in self.root.split(','):
if util.test_scsiserial(self.session, dev):
raise xs_errors.XenError('SRInUse')
if not lvutil._checkVG(self.vgname):
lvutil.createVG(self.root, self.vgname)
if lvutil._checkLV(self.remotepath):
raise xs_errors.XenError('SRExists')
try:
numdevs = len(self.root.split(','))
cmd = ["lvcreate", "-n", sr_uuid]
if numdevs > 1:
lowest = -1
for dev in self.root.split(','):
stats = lvutil._getPVstats(dev)
if lowest < 0 or stats['freespace'] < lowest:
lowest = stats['freespace']
size_mb = (lowest / (1024 * 1024)) * numdevs
# Add stripe parameter to command
cmd += ["-i", str(numdevs), "-I", "2048"]
else:
stats = lvutil._getVGstats(self.vgname)
size_mb = stats['freespace'] / (1024 * 1024)
assert (size_mb > 0)
cmd += ["-L", str(size_mb), self.vgname]
text = util.pread(cmd)
cmd = ["lvchange", "-ay", self.remotepath]
text = util.pread(cmd)
except util.CommandException as inst:
raise xs_errors.XenError('LVMCreate', \
opterr='lv operation, error %d' % inst.code)
except AssertionError:
raise xs_errors.XenError('SRNoSpace', \
opterr='Insufficient space in VG %s' % self.vgname)
try:
util.pread2(["mkfs.ext4", "-F", self.remotepath])
except util.CommandException as inst:
raise xs_errors.XenError('LVMFilesystem', \
opterr='mkfs failed error %d' % inst.code)
#Update serial number string
scsiutil.add_serial_record(self.session, self.sr_ref, \
scsiutil.devlist_to_serialstring(self.root.split(',')))
def generate_config(self, sr_uuid, vdi_uuid):
if not lvutil._checkLV(self.path):
raise xs_errors.XenError("VDIUnavailable")
dict = {}
self.sr.dconf["multipathing"] = self.sr.mpath
self.sr.dconf["multipathhandle"] = self.sr.mpathhandle
dict["device_config"] = self.sr.dconf
dict["sr_uuid"] = sr_uuid
dict["vdi_uuid"] = vdi_uuid
dict["command"] = "vdi_attach_from_config"
# Return the 'config' encoded within a normal XMLRPC response so that
# we can use the regular response/error parsing code.
config = xmlrpclib.dumps(tuple([dict]), "vdi_attach_from_config")
return xmlrpclib.dumps((config,), "", True)
def create(self, sr_uuid, size):
# THIS DRIVER IS DEPRECATED. RAISE.
raise Exception(
'The `ext4` SR type is deprecated since XCP-ng 8.1.\n'
'Use the main `ext` driver instead. It will create an EXT4 filesystem now, '
'not EXT3 anymore as it used to.')
if self._checkmount():
raise xs_errors.XenError('SRExists')
# Check none of the devices already in use by other PBDs
if util.test_hostPBD_devs(self.session, sr_uuid, self.root):
raise xs_errors.XenError('SRInUse')
# Check serial number entry in SR records
for dev in self.root.split(','):
if util.test_scsiserial(self.session, dev):
raise xs_errors.XenError('SRInUse')
if not lvutil._checkVG(self.vgname):
lvutil.createVG(self.root, self.vgname)
if lvutil._checkLV(self.remotepath):
raise xs_errors.XenError('SRExists')
try:
numdevs = len(self.root.split(','))
cmd = ["lvcreate", "-n", sr_uuid]
if numdevs > 1:
lowest = -1
for dev in self.root.split(','):
stats = lvutil._getPVstats(dev)
if lowest < 0 or stats['freespace'] < lowest:
lowest = stats['freespace']
size_mb = (lowest / (1024 * 1024)) * numdevs
# Add stripe parameter to command
cmd += ["-i", str(numdevs), "-I", "2048"]
else:
stats = lvutil._getVGstats(self.vgname)
size_mb = stats['freespace'] / (1024 * 1024)
assert (size_mb > 0)
cmd += ["-L", str(size_mb), self.vgname]
text = util.pread(cmd)
cmd = ["lvchange", "-ay", self.remotepath]
text = util.pread(cmd)
except util.CommandException, inst:
raise xs_errors.XenError('LVMCreate', \
opterr='lv operation, error %d' % inst.code)
def generate_config(self, sr_uuid, vdi_uuid):
if not lvutil._checkLV(self.path):
raise xs_errors.XenError('VDIUnavailable')
dict = {}
self.sr.dconf['multipathing'] = self.sr.mpath
self.sr.dconf['multipathhandle'] = self.sr.mpathhandle
dict['device_config'] = self.sr.dconf
dict['sr_uuid'] = sr_uuid
dict['vdi_uuid'] = vdi_uuid
dict['command'] = 'vdi_attach_from_config'
# Return the 'config' encoded within a normal XMLRPC response so that
# we can use the regular response/error parsing code.
config = xmlrpclib.dumps(tuple([dict]), "vdi_attach_from_config")
return xmlrpclib.dumps((config,), "", True)
def generate_config(self, sr_uuid, vdi_uuid):
util.SMlog("LVHDoHBAVDI.generate_config")
if not lvutil._checkLV(self.path):
raise xs_errors.XenError('VDIUnavailable')
dict = {}
self.sr.dconf['multipathing'] = self.sr.mpath
self.sr.dconf['multipathhandle'] = self.sr.mpathhandle
dict['device_config'] = self.sr.dconf
dict['sr_uuid'] = sr_uuid
dict['vdi_uuid'] = vdi_uuid
dict['command'] = 'vdi_attach_from_config'
# Return the 'config' encoded within a normal XMLRPC response so that
# we can use the regular response/error parsing code.
config = xmlrpclib.dumps(tuple([dict]), "vdi_attach_from_config")
return xmlrpclib.dumps((config,), "", True)
def delete(self, sr_uuid, vdi_uuid):
if not self.sr.isMaster:
util.SMlog('vdi_delete blocked for non-master')
raise xs_errors.XenError('LVMMaster')
if not lvutil._checkLV(self.path):
return
try:
cmd = ["lvremove", "-f", self.path]
text = util.pread2(cmd)
self._db_forget()
except util.CommandException, inst:
raise xs_errors.XenError('LVMDelete', \
opterr='lv operation failed error is %d' % inst.code)
def create(self, sr_uuid, size):
if self._checkmount():
raise xs_errors.XenError('SRExists')
# Check none of the devices already in use by other PBDs
if util.test_hostPBD_devs(self.session, sr_uuid, self.root):
raise xs_errors.XenError('SRInUse')
# Check serial number entry in SR records
for dev in self.root.split(','):
if util.test_scsiserial(self.session, dev):
raise xs_errors.XenError('SRInUse')
if not lvutil._checkVG(self.vgname):
lvutil.createVG(self.root, self.vgname)
if lvutil._checkLV(self.remotepath):
raise xs_errors.XenError('SRExists')
try:
numdevs = len(self.root.split(','))
cmd = ["lvcreate", "-n", sr_uuid]
if numdevs > 1:
lowest = -1
for dev in self.root.split(','):
stats = lvutil._getPVstats(dev)
if lowest < 0 or stats['freespace'] < lowest:
lowest = stats['freespace']
size_mb = (lowest / (1024 * 1024)) * numdevs
# Add stripe parameter to command
cmd += ["-i", str(numdevs), "-I", "2048"]
else:
stats = lvutil._getVGstats(self.vgname)
size_mb = stats['freespace'] / (1024 * 1024)
assert(size_mb > 0)
cmd += ["-L", str(size_mb), self.vgname]
text = util.pread(cmd)
cmd = ["lvchange", "-ay", self.remotepath]
text = util.pread(cmd)
except util.CommandException, inst:
raise xs_errors.XenError('LVMCreate', \
opterr='lv operation, error %d' % inst.code)
def generate_config(self, sr_uuid, vdi_uuid):
if not lvutil._checkLV(self.path):
raise xs_errors.XenError('VDIUnavailable')
dict = {}
self.sr.dconf['localIQN'] = self.sr.iscsi.localIQN
self.sr.dconf['multipathing'] = self.sr.mpath
self.sr.dconf['multipathhandle'] = self.sr.mpathhandle
dict['device_config'] = self.sr.dconf
if dict['device_config'].has_key('chappassword_secret'):
s = util.get_secret(self.session, dict['device_config']['chappassword_secret'])
del dict['device_config']['chappassword_secret']
dict['device_config']['chappassword'] = s
dict['sr_uuid'] = sr_uuid
dict['vdi_uuid'] = vdi_uuid
dict['command'] = 'vdi_attach_from_config'
# Return the 'config' encoded within a normal XMLRPC response so that
# we can use the regular response/error parsing code.
config = xmlrpclib.dumps(tuple([dict]), "vdi_attach_from_config")
return xmlrpclib.dumps((config,), "", True)
def generate_config(self, sr_uuid, vdi_uuid):
util.SMlog("LVHDoISCSIVDI.generate_config")
if not lvutil._checkLV(self.path):
raise xs_errors.XenError('VDIUnavailable')
dict = {}
self.sr.dconf['localIQN'] = self.sr.iscsi.localIQN
self.sr.dconf['multipathing'] = self.sr.mpath
self.sr.dconf['multipathhandle'] = self.sr.mpathhandle
dict['device_config'] = self.sr.dconf
if dict['device_config'].has_key('chappassword_secret'):
s = util.get_secret(self.session, dict['device_config']['chappassword_secret'])
del dict['device_config']['chappassword_secret']
dict['device_config']['chappassword'] = s
dict['sr_uuid'] = sr_uuid
dict['vdi_uuid'] = vdi_uuid
dict['command'] = 'vdi_attach_from_config'
# Return the 'config' encoded within a normal XMLRPC response so that
# we can use the regular response/error parsing code.
config = xmlrpclib.dumps(tuple([dict]), "vdi_attach_from_config")
return xmlrpclib.dumps((config,), "", True)
def generate_config(self, sr_uuid, vdi_uuid):
util.SMlog("LVHDoISCSIVDI.generate_config")
if not lvutil._checkLV(self.path):
raise xs_errors.XenError("VDIUnavailable")
if self.sr.sm_config["allocation"] == "xlvhd":
lvutil.flushLV(self.path)
dict = {}
self.sr.dconf["localIQN"] = self.sr.iscsi.localIQN
self.sr.dconf["multipathing"] = self.sr.mpath
self.sr.dconf["multipathhandle"] = self.sr.mpathhandle
dict["device_config"] = self.sr.dconf
if dict["device_config"].has_key("chappassword_secret"):
s = util.get_secret(self.session, dict["device_config"]["chappassword_secret"])
del dict["device_config"]["chappassword_secret"]
dict["device_config"]["chappassword"] = s
dict["sr_uuid"] = sr_uuid
dict["vdi_uuid"] = vdi_uuid
dict["allocation"] = self.sr.sm_config["allocation"]
dict["command"] = "vdi_attach_from_config"
# Return the 'config' encoded within a normal XMLRPC response so that
# we can use the regular response/error parsing code.
config = xmlrpclib.dumps(tuple([dict]), "vdi_attach_from_config")
return xmlrpclib.dumps((config,), "", True)
raise xs_errors.XenError('LVMGroupCreate')
# Then add any additional devs into the VG
for dev in self.root.split(',')[1:]:
try:
cmd = ["vgextend", self.vgname, dev]
util.pread2(cmd)
except util.CommandException, inst:
# One of the PV args failed, delete SR
try:
cmd = ["vgremove", self.vgname]
util.pread2(cmd)
except:
pass
raise xs_errors.XenError('LVMGroupCreate')
if lvutil._checkLV(self.remotepath):
raise xs_errors.XenError('SRExists')
try:
stats = lvutil._getVGstats(self.vgname)
size_mb = stats['freespace'] / (1024 * 1024)
assert(size_mb > 0)
cmd = ["lvcreate", "-n", sr_uuid, "-L", str(size_mb), \
self.vgname]
text = util.pread(cmd)
cmd = ["lvchange", "-ay", self.remotepath]
text = util.pread(cmd)
except util.CommandException, inst:
raise xs_errors.XenError('LVMCreate', \
opterr='lv operation, error %d' % inst.code)
except AssertionError:
raise xs_errors.XenError('LVMGroupCreate')
# Then add any additional devs into the VG
for dev in self.root.split(',')[1:]:
try:
cmd = ["vgextend", self.vgname, dev]
util.pread2(cmd)
except util.CommandException, inst:
# One of the PV args failed, delete SR
try:
cmd = ["vgremove", self.vgname]
util.pread2(cmd)
except:
pass
raise xs_errors.XenError('LVMGroupCreate')
if lvutil._checkLV(self.remotepath):
raise xs_errors.XenError('SRExists')
try:
numdevs = len(self.root.split(','))
cmd = ["lvcreate", "-n", sr_uuid]
if numdevs > 1:
lowest = -1
for dev in self.root.split(','):
stats = lvutil._getPVstats(dev)
if lowest < 0 or stats['freespace'] < lowest:
lowest = stats['freespace']
size_mb = (lowest / (1024 * 1024)) * numdevs
# Add stripe parameter to command
cmd += ["-i", str(numdevs), "-I", "2048"]
else:
