def test_run_correctly_log_all_exceptions(self, mock_parse,
mock_run_statics, mock_reduce,
mock_SMlog, mock_exit):
""" Assert that any arbitrary exception raised and with a big message length is logged to SMlog. Only the first line of the message is asserted (traceback ommited).
"""
from random import choice
from string import ascii_letters
from DummySR import DRIVER_INFO
MSG_LEN = 2048
# TestSRCommand data member to hold SMlog output.
self.smlog_out = ""
# Generate random exception message of MSG_LEN characters
rand_huge_msg = ''.join(choice(ascii_letters) for _ in range(MSG_LEN))
# Create function to raise exception in SRCommand.run()
mock_driver = mock.Mock(side_effect=SomeException(rand_huge_msg))
# MockSMlog replaces util.SMlog. Instead of printing to
# /var/log/SMlog, it writes the output to self.smlog_out.
def MockSMlog(str_arg):
self.smlog_out = self.smlog_out + str_arg.strip()
mock_reduce.return_value = ''
mock_SMlog.side_effect = MockSMlog
SRCommand.run(mock_driver, DRIVER_INFO)
self.assertTrue(rand_huge_msg in self.smlog_out)
def test_run_wrapped_if_not_SRException(self, mock_parse, mock_run_statics,
mock_logException, mock_exit):
""" If an exception other than SR.SRException is thrown, assert that it is wrapped and not thrown.
"""
from DummySR import DRIVER_INFO
# Create function to raise exception in SRCommand.run()
mock_driver = mock.Mock(side_effect=SomeException)
SRCommand.run(mock_driver, DRIVER_INFO)
def test_run_reraise_if_not_SRException(self, mock_parse, mock_run_statics,
mock_logException):
""" If an exception other than SR.SRException is thrown, assert that it is re-raised.
"""
from DummySR import DRIVER_INFO
# Create function to raise exception in SRCommand.run()
mock_driver = mock.Mock(side_effect=SomeException)
try:
SRCommand.run(mock_driver, DRIVER_INFO)
except Exception, e:
self.assertTrue(isinstance(e, SomeException))
def test_run_wrapped_if_not_SRException(
self,
mock_parse,
mock_run_statics,
mock_logException,
mock_exit):
""" If an exception other than SR.SRException is thrown, assert that it is wrapped and not thrown.
"""
from DummySR import DRIVER_INFO
# Create function to raise exception in SRCommand.run()
mock_driver = mock.Mock(side_effect=SomeException)
SRCommand.run(mock_driver, DRIVER_INFO)
def test_run_reraise_if_not_SRException(
self,
mock_parse,
mock_run_statics,
mock_logException):
""" If an exception other than SR.SRException is thrown, assert that it is re-raised.
"""
from DummySR import DRIVER_INFO
# Create function to raise exception in SRCommand.run()
mock_driver = mock.Mock(side_effect=SomeException)
try:
SRCommand.run(mock_driver, DRIVER_INFO)
except Exception, e:
self.assertTrue(isinstance(e, SomeException))
def test_run_print_xml_error_if_SRException(
self,
mock_parse,
mock_run_statics,
mock_logException):
""" If an SR.SRException is thrown, assert that print <SR.SRException instance>.toxml()" is called.
"""
import sys
from StringIO import StringIO
from SR import SRException
from DummySR import DRIVER_INFO
# Save original sys.stdout file object.
saved_stdout = sys.stdout
# Create a mock_stdout object and assign it to sys.stdout
mock_stdout = StringIO()
sys.stdout = mock_stdout
# Create function to raise exception in SRCommand.run()
mock_driver = mock.Mock(side_effect=SRException(
"[UnitTest] SRException thrown"))
try:
SRCommand.run(mock_driver, DRIVER_INFO)
except SystemExit:
pass
# Write SRCommand.run() output to variable.
actual_out = mock_stdout.getvalue()
# Restore the original sys.stdout object.
sys.stdout = saved_stdout
expected_out = ("<?xml version='1.0'?>\n<methodResponse>\n<fault>\n"
"<value><struct>\n<member>\n<name>faultCode</name>\n"
"<value><int>22</int></value>\n</member>\n<member>\n"
"<name>faultString</name>\n<value><string>[UnitTest] "
"SRException thrown</string></value>\n</member>\n"
"</struct></value>\n</fault>\n</methodResponse>\n\n")
self.assertEqual(actual_out, expected_out)
def test_run_correctly_log_all_exceptions(
self,
mock_parse,
mock_run_statics,
mock_reduce,
mock_SMlog):
""" Assert that any arbitrary exception raised and with a big message length is logged to SMlog. Only the first line of the message is asserted (traceback ommited).
"""
from random import choice
from string import ascii_letters
from DummySR import DRIVER_INFO
MSG_LEN = 2048
# TestSRCommand data member to hold SMlog output.
self.smlog_out = None
# Generate random exception message of MSG_LEN characters
rand_huge_msg = ''.join(choice(ascii_letters) for _ in range(MSG_LEN))
# Create function to raise exception in SRCommand.run()
mock_driver = mock.Mock(side_effect=SomeException(rand_huge_msg))
# MockSMlog replaces util.SMlog. Instead of printing to
# /var/log/SMlog, it writes the output to self.smlog_out.
def MockSMlog(str_arg):
self.smlog_out = str_arg.strip()
mock_reduce.return_value = ''
mock_SMlog.side_effect = MockSMlog
try:
SRCommand.run(mock_driver, DRIVER_INFO)
except SomeException:
# SomeException needs to be suppressed for this
# test, as it is re-raised after it is logged.
pass
self.assertTrue(rand_huge_msg in self.smlog_out)
def test_run_print_xml_error_if_SRException(self, mock_parse,
mock_run_statics,
mock_logException):
""" If an SR.SRException is thrown, assert that print <SR.SRException instance>.toxml()" is called.
"""
import sys
from StringIO import StringIO
from SR import SRException
from DummySR import DRIVER_INFO
# Save original sys.stdout file object.
saved_stdout = sys.stdout
# Create a mock_stdout object and assign it to sys.stdout
mock_stdout = StringIO()
sys.stdout = mock_stdout
# Create function to raise exception in SRCommand.run()
mock_driver = mock.Mock(
side_effect=SRException("[UnitTest] SRException thrown"))
try:
SRCommand.run(mock_driver, DRIVER_INFO)
except SystemExit:
pass
# Write SRCommand.run() output to variable.
actual_out = mock_stdout.getvalue()
# Restore the original sys.stdout object.
sys.stdout = saved_stdout
expected_out = ("<?xml version='1.0'?>\n<methodResponse>\n<fault>\n"
"<value><struct>\n<member>\n<name>faultCode</name>\n"
"<value><int>22</int></value>\n</member>\n<member>\n"
"<name>faultString</name>\n<value><string>[UnitTest] "
"SRException thrown</string></value>\n</member>\n"
"</struct></value>\n</fault>\n</methodResponse>\n\n")
self.assertEqual(actual_out, expected_out)
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 attach_from_config(self, sr_uuid, vdi_uuid):
util.SMlog("OCFSoHBAVDI.attach_from_config")
self.sr.hbasr.attach(sr_uuid)
if self.sr.mpath == "true":
self.sr.mpathmodule.refresh(self.sr.SCSIid,0)
try:
return self.attach(sr_uuid, vdi_uuid)
except:
util.logException("OCFSoHBAVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable', \
opterr='Unable to attach the heartbeat disk')
def match_scsidev(s):
regex = re.compile("^/dev/disk/by-id|^/dev/mapper")
return regex.search(s, 0)
if __name__ == '__main__':
SRCommand.run(OCFSoHBASR, DRIVER_INFO)
else:
SR.registerSR(OCFSoHBASR)
dict['device_config'] = self.sr.dconf
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)
def attach_from_config(self, sr_uuid, vdi_uuid):
util.SMlog("LVHDoHBAVDI.attach_from_config")
self.sr.hbasr.attach(sr_uuid)
if self.sr.mpath == "true":
self.sr.mpathmodule.refresh(self.sr.SCSIid,0)
try:
return self.attach(sr_uuid, vdi_uuid)
except:
util.logException("LVHDoHBAVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable', \
opterr='Unable to attach the heartbeat disk')
def match_scsidev(s):
regex = re.compile("^/dev/disk/by-id|^/dev/mapper")
return regex.search(s, 0)
if __name__ == '__main__':
SRCommand.run(LVHDoHBASR, DRIVER_INFO)
else:
SR.registerSR(LVHDoHBASR)
def vdiExists(self, vdi_path):
""" Reads first 8 bytes of the path and checks for the cookie """
fd = open(vdi_path)
cookie = fd.read(8)
fd.close()
if cookie == VHD_COOKIE:
return True
return False
def _get_vdi_from_xapi(self, vdi_uuid):
vdi = {}
try:
vdi_ref = self.sr.session.xenapi.VDI.get_by_uuid(vdi_uuid)
vdi = self.sr.session.xenapi.VDI.get_record(vdi_ref)
except: # Can raise exception when creating a new VDI so it is not yet in the DB
pass
return vdi
if __name__ == '__main__':
SRCommand.run(VDILUNSR, DRIVER_INFO)
else:
SR.registerSR(VDILUNSR)
element.appendChild(entry)
subentry = dom.createElement("UUID")
entry.appendChild(subentry)
textnode = dom.createTextNode(val)
subentry.appendChild(textnode)
subentry = dom.createElement("Target")
entry.appendChild(subentry)
textnode = dom.createTextNode(record['target'])
subentry.appendChild(textnode)
subentry = dom.createElement("TargetIQN")
entry.appendChild(subentry)
textnode = dom.createTextNode(record['targetIQN'])
subentry.appendChild(textnode)
return dom.toprettyxml()
def match_lun(self, s):
regex = re.compile("_")
if regex.search(s,0):
return False
regex = re.compile("LUN")
return regex.search(s, 0)
if __name__ == '__main__':
SRCommand.run(ISCSISR, DRIVER_INFO)
else:
SR.registerSR(ISCSISR)
st = os.stat(self.path)
self.size = long(st.st_size)
self.utilisation = long(st.st_size)
except OSError, inst:
raise xs_errors.XenError('EIO', \
opterr='failed to star %s error is %d' % self.path % \
inst.sterror)
def create(self, sr_uuid, vdi_uuid, size):
# This is a no-op in this driver, VDI's will be introduced via
# separate call vdi_introduce
raise xs_errors.XenError('Unimplemented', \
opterr='VDI create unsupported')
def delete(self, sr_uuid, vdi_uuid):
raise xs_errors.XenError('Unimplemented', \
opterr='VDI delete unsupported')
def clone(self, sr_uuid, vdi_uuid):
raise xs_errors.XenError('Unimplemented', \
opterr='VDI clone unsupported')
def snapshot(self, sr_uuid, vdi_uuid):
raise xs_errors.XenError('Unimplemented', \
opterr='VDI snapshot unsupported')
if __name__ == '__main__':
SRCommand.run(RAWSR, DRIVER_INFO)
else:
SR.registerSR(RAWSR)
result = []
try:
# Get all configured iscsiadm interfaces
cmd = ["iscsiadm", "-m", "iface"]
(stdout, stderr) = iscsilib.exn_on_failure(
cmd, "Failure occured querying iscsi daemon")
# Get the interface (first column) from a line such as default
# tcp,<empty>,<empty>,<empty>,<empty>
for line in stdout.split("\n"):
line_element = line.split(" ")
interface_name = line_element[0]
# ignore interfaces which aren't marked as starting with
# c_.
if len(line_element) == 2 and interface_name[:2] == "c_":
result.append(interface_name)
except:
# Ignore exception from exn on failure, still return the default
# interface
pass
# In case there are no configured interfaces, still add the default
# interface
if len(result) == 0:
result.append("default")
return result
if __name__ == '__main__':
SRCommand.run(ISCSISR, DRIVER_INFO)
else:
SR.registerSR(ISCSISR)
"field \"VDI\" = \"%s\"" % vdi_ref)
return filter(lambda v: v['currently_attached'] == "true",
vbds.values())
def check_vbd_list_is_stable(self, attached_vbds):
newly_attached_vbds = self.get_attached_vbds()
old_set = set(attached_vbds)
new_set = set(newly_attached_vbds)
diff_set = old_set.difference(new_set) | new_set.difference(old_set)
if len(diff_set) != 0:
msg = "LVHDRT: found a non-stable VBD: %s" % (diff_set.pop())
util.SMlog(msg)
raise xs_errors.XenError('VBDListNotStable')
def run_corner_cases_tests(self):
def fn():
attached_vbds = self.get_attached_vbds()
for i in range(0, 10):
time.sleep(2)
self.check_no_other_vdi_operation_in_progress()
self.check_vbd_list_is_stable(attached_vbds)
util.fistpoint.activate_custom_fn("LVHDRT_xapiSM_serialization_tests",
fn)
if __name__ == '__main__':
SRCommand.run(DummySR, DRIVER_INFO)
else:
SR.registerSR(DummySR)
def get_attached_vbds(self):
vdi_ref = self.session.xenapi.VDI.get_by_uuid(self.uuid)
vbds = self.session.xenapi.VBD.get_all_records_where("field \"VDI\" = \"%s\"" % vdi_ref)
return filter(lambda v: v['currently_attached'] == "true", vbds.values())
def check_vbd_list_is_stable(self, attached_vbds):
newly_attached_vbds = self.get_attached_vbds()
old_set = set(attached_vbds)
new_set = set(newly_attached_vbds)
diff_set = old_set.difference(new_set) | new_set.difference(old_set)
if len(diff_set) != 0:
msg = "LVHDRT: found a non-stable VBD: %s" % (diff_set.pop())
util.SMlog(msg)
raise xs_errors.XenError('VBDListNotStable')
def run_corner_cases_tests(self):
def fn():
attached_vbds = self.get_attached_vbds()
for i in range(0,10):
time.sleep(2)
self.check_no_other_vdi_operation_in_progress()
self.check_vbd_list_is_stable(attached_vbds)
util.fistpoint.activate_custom_fn("LVHDRT_xapiSM_serialization_tests", fn)
if __name__ == '__main__':
SRCommand.run(DummySR, DRIVER_INFO)
else:
SR.registerSR(DummySR)
self._db_introduce()
return super(LocalISOVDI, self).get_params()
except Exception, exn:
util.SMlog("Exception when creating VDI: %s" % exn)
raise xs_errors.XenError('VDICreate', \
opterr='could not create file: "%s"' % self.path)
def delete(self, sr_uuid, vdi_uuid):
util.SMlog("Deleting...")
self.uuid = vdi_uuid
self._db_forget()
if not util.pathexists(self.path):
return
try:
util.SMlog("Unlinking...")
os.unlink(self.path)
util.SMlog("Done...")
except:
raise xs_errors.XenError('VDIDelete')
# Update, introduce unimplemented. super class will raise
# exceptions
if __name__ == '__main__':
SRCommand.run(LocalISOSR, DRIVER_INFO)
else:
SR.registerSR(LocalISOSR)
class LVHDoRBDVDI(LVHDSR.LVHDVDI):
def generate_config(self, sr_uuid, vdi_uuid):
if not lvutil._checkLV(self.path):
raise xs_errors.XenError('VDIUnavailable')
data = {
'sr_uuid': sr_uuid,
'vdi_uuid': vdi_uuid,
'command': 'vdi_attach_from_config',
'device_config': self.sr.dconf
}
config = xmlrpclib.dumps(tuple([data]), 'vdi_attach_from_config')
return xmlrpclib.dumps((config, ), '', True)
def attach_from_config(self, sr_uuid, vdi_uuid):
try:
self.sr.attach(sr_uuid)
if not self.sr._attach_LUN_bySCSIid(self.sr.SCSIid):
raise xs_errors.XenError('InvalidDev')
return LVHDSR.LVHDVDI.attach(self, sr_uuid, vdi_uuid)
except:
util.logException('LVHDoRBDVDI.attach_from_config')
raise xs_errors.XenError('SRUnavailable',
opterr='Failed to attach RBD')
if __name__ == '__main__':
SRCommand.run(LVHDoRBDSR, DRIVER_INFO)
else:
SR.registerSR(LVHDoRBDSR)
return False
handles = staticmethod(handles)
def load(self, sr_uuid):
driver = SR.driver('iscsi')
self.iscsi = driver(self.original_srcmd, sr_uuid)
# User must specify a LUN ID(s) for adding to the VG
if not self.dconf.has_key('LUNid') or not self.dconf['LUNid']:
raise xs_errors.XenError('ConfigLUNIDMissing')
self.dconf['device'] = os.path.join(self.iscsi.path,"LUN%s" % \
self.dconf['LUNid'])
if not self.iscsi.attached:
# Must attach SR here in order to load VG
self.iscsi.attach(sr_uuid)
super(EXToISCSISR, self).load(sr_uuid)
def delete(self, sr_uuid):
super(EXToISCSISR, self).delete(sr_uuid)
self.iscsi.detach(sr_uuid)
def detach(self, sr_uuid):
super(EXToISCSISR, self).detach(sr_uuid)
self.iscsi.detach(sr_uuid)
if __name__ == '__main__':
SRCommand.run(EXToISCSISR)
else:
SR.registerSR(EXToISCSISR)
opterr='LVM clone unsupported')
def snapshot(self, sr_uuid, vdi_uuid):
raise xs_errors.XenError('Unimplemented', \
opterr='LVM snapshot unsupported')
def _isactive(self, path):
try:
f=open(path, 'r')
f.close()
return True
except IOError:
return False
class BufferedLVSCAN(VDI.VDI):
def load(self, line):
fields = line.split()
self.lvname = fields[0]
self.uuid = fields[0].replace("LV-","")
self.size = long(fields[3].replace("B",""))
self.utilisation = self.size
self.location = self.uuid
if len(fields) > 4:
self.parent = fields[4].replace("LV-","")
if __name__ == '__main__':
SRCommand.run(LVMSR, DRIVER_INFO)
else:
SR.registerSR(LVMSR)
def generate_config(self, sr_uuid, vdi_uuid):
util.SMlog("SMBFileVDI.generate_config")
if not util.pathexists(self.path):
raise xs_errors.XenError('VDIUnavailable')
resp = {
'device_config': self.sr.dconf,
'sr_uuid': sr_uuid,
'vdi_uuid': vdi_uuid,
'sr_sm_config': self.sr.sm_config,
'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([resp]), "vdi_attach_from_config")
return xmlrpclib.dumps((config, ), "", True)
def attach_from_config(self, sr_uuid, vdi_uuid):
try:
if not util.pathexists(self.sr.path):
self.sr.attach(sr_uuid)
except:
util.logException("SMBFileVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable',
opterr='Unable to attach from config')
if __name__ == '__main__':
SRCommand.run(GlusterFSSR, DRIVER_INFO)
else:
SR.registerSR(GlusterFSSR)
stat = os.stat(self.path)
self.utilisation = long(stat.st_size)
self.size = long(stat.st_size)
except:
pass
def __init__(self, mysr, uuid, filename):
self.uuid = uuid
VDI.VDI.__init__(self, mysr, None)
self.path = os.path.join(mysr.dconf['location'], filename)
self.label = filename
self.location = filename
self.vdi_type = 'file'
self.read_only = True
self.shareable = True
self.sm_config = {}
def detach(self, sr_uuid, vdi_uuid):
pass
def clone(self, sr_uuid, vdi_uuid):
return self.get_params()
def snapshot(self, sr_uuid, vdi_uuid):
return self.get_params()
if __name__ == '__main__':
SRCommand.run(SHMSR, DRIVER_INFO)
else:
SR.registerSR(SHMSR)
pass
elif self.mode == "nbd":
self._disable_rbd_caching()
cmdout = util.pread2([
"rbd-nbd", "--device", "/dev/nbd0", "--nbds_max",
str(cephutils.NBDS_MAX), "-c",
"/etc/ceph/ceph.conf.nocaching", "map",
"%s/%s" % (self.sr.CEPH_POOL_NAME, _vdi_name), "--name",
self.sr.CEPH_USER
]).rstrip('\n')
util.pread2(["ln", "-s", cmdout, _dev_name])
util.pread2(["ln", "-s", cmdout, dev_name])
self.path = self.sr._get_path(vdi_uuid)
if not util.pathexists(self.path):
raise xs_errors.XenError('VDIUnavailable',
opterr='Could not find: %s' %
self.path)
return VDI.VDI.attach(self, sr_uuid, vdi_uuid)
except:
util.logException("RBDVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable', \
opterr='Unable to attach the heartbeat disk')
if __name__ == '__main__':
SRCommand.run(RBDSR, DRIVER_INFO)
else:
SR.registerSR(RBDSR)
self.size = long(st.st_size)
self.utilisation = long(st.st_size)
except OSError, inst:
raise xs_errors.XenError('EIO', \
opterr='failed to star %s error is %d' % self.path % \
inst.sterror)
def create(self, sr_uuid, vdi_uuid, size):
# This is a no-op in this driver, VDI's will be introduced via
# separate call vdi_introduce
raise xs_errors.XenError('Unimplemented', \
opterr='VDI create unsupported')
def delete(self, sr_uuid, vdi_uuid):
raise xs_errors.XenError('Unimplemented', \
opterr='VDI delete unsupported')
def clone(self, sr_uuid, vdi_uuid):
raise xs_errors.XenError('Unimplemented', \
opterr='VDI clone unsupported')
def snapshot(self, sr_uuid, vdi_uuid):
raise xs_errors.XenError('Unimplemented', \
opterr='VDI snapshot unsupported')
if __name__ == '__main__':
SRCommand.run(RAWSR, DRIVER_INFO)
else:
SR.registerSR(RAWSR)
self.utilisation = long(stat.st_size)
self.size = long(stat.st_size)
except:
pass
def __init__(self, mysr, uuid, filename):
self.uuid = uuid
self.path = os.path.join(mysr.dconf['location'], filename)
VDI.VDI.__init__(self, mysr, None)
self.label = filename
self.location = filename
self.vdi_type = 'file'
self.read_only = True
self.shareable = True
self.sm_config = {}
def detach(self, sr_uuid, vdi_uuid):
pass
def clone(self, sr_uuid, vdi_uuid):
return self.get_params()
def snapshot(self, sr_uuid, vdi_uuid):
return self.get_params()
if __name__ == '__main__':
SRCommand.run(SHMSR, DRIVER_INFO)
else:
SR.registerSR(SHMSR)
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 vdi(self, uuid, loadLocked=False):
if not loadLocked:
return EXTFileVDI(self, uuid)
return EXTFileVDI(self, uuid)
class EXTFileVDI(FileSR.FileVDI):
def attach(self, sr_uuid, vdi_uuid):
if not hasattr(self, 'xenstore_data'):
self.xenstore_data = {}
self.xenstore_data["storage-type"] = "ext"
return super(EXTFileVDI, self).attach(sr_uuid, vdi_uuid)
if __name__ == '__main__':
SRCommand.run(EXTSR, DRIVER_INFO)
else:
SR.registerSR(EXTSR)
return super(udevVDI, self).get_params()
def update(self, sr_uuid, vdi_location):
self.load(vdi_location)
# _db_update requires self.uuid to be set
self.uuid = self.sr.srcmd.params['vdi_uuid']
self._db_update()
# also reset the name-label and description since we're a bit of
# a special SR
# this would lead to an infinite loop as VDI.set_name_label now
# calls VDI.update
# temporarily commenting this to pass quicktest
#vdi = self.sr.session.xenapi.VDI.get_by_uuid(self.uuid)
#self.sr.session.xenapi.VDI.set_name_label(vdi, self.label)
#self.sr.session.xenapi.VDI.set_name_description(vdi, self.description)
def attach(self, sr_uuid, vdi_uuid):
if self.deleted:
raise xs_errors.XenError('VDIUnavailable')
return super(udevVDI, self).attach(sr_uuid, vdi_uuid)
def detach(self, sr_uuid, vdi_uuid):
pass
if __name__ == '__main__':
SRCommand.run(udevSR, DRIVER_INFO)
else:
SR.registerSR(udevSR)
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)
def attach_from_config(self, sr_uuid, vdi_uuid):
util.SMlog("LVHDoISCSIVDI.attach_from_config")
try:
self.sr.iscsi.attach(sr_uuid)
if not self.sr.iscsi._attach_LUN_bySCSIid(self.sr.SCSIid):
raise xs_errors.XenError('InvalidDev')
return LVHDSR.LVHDVDI.attach(self, sr_uuid, vdi_uuid)
except:
util.logException("LVHDoISCSIVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable', \
opterr='Unable to attach the heartbeat disk')
if __name__ == '__main__':
SRCommand.run(LVHDoISCSISR, DRIVER_INFO)
else:
SR.registerSR(LVHDoISCSISR)
handles = staticmethod(handles)
def load(self, sr_uuid):
driver = SR.driver('iscsi')
self.iscsi = driver(self.original_srcmd, sr_uuid)
# User must specify a LUN ID(s) for adding to the VG
if not self.dconf.has_key('LUNid') or not self.dconf['LUNid']:
raise xs_errors.XenError('ConfigLUNIDMissing')
self.dconf['device'] = os.path.join(self.iscsi.path,"LUN%s" % \
self.dconf['LUNid'])
if not self.iscsi.attached:
# Must attach SR here in order to load VG
self.iscsi.attach(sr_uuid)
super(EXToISCSISR, self).load(sr_uuid)
def delete(self, sr_uuid):
super(EXToISCSISR, self).delete(sr_uuid)
self.iscsi.detach(sr_uuid)
def detach(self, sr_uuid):
super(EXToISCSISR, self).detach(sr_uuid)
self.iscsi.detach(sr_uuid)
if __name__ == '__main__':
SRCommand.run(EXToISCSISR)
else:
SR.registerSR(EXToISCSISR)
if 'type' not in self.original_srcmd.params['device_config'] or \
'type' in self.original_srcmd.params['device_config'] and \
self.original_srcmd.dconf['type'] == "any":
self.original_srcmd.dconf['type'] = "fcoe"
self.hbasr = driver(self.original_srcmd, sr_uuid)
pbd = None
try:
pbd = util.find_my_pbd(self.session, self.host_ref, self.sr_ref)
except:
pass
if not self.dconf.has_key('SCSIid') or not self.dconf['SCSIid']:
print >>sys.stderr, self.hbasr.print_devs()
raise xs_errors.XenError('ConfigSCSIid')
self.SCSIid = self.dconf['SCSIid']
self._pathrefresh(LVHDoFCoESR)
LVHDSR.LVHDSR.load(self, sr_uuid)
def vdi(self, uuid):
return LVHDoFCoEVDI(self, uuid)
class LVHDoFCoEVDI(LVHDoHBASR.LVHDoHBAVDI):
pass
if __name__ == '__main__':
SRCommand.run(LVHDoFCoESR, DRIVER_INFO)
else:
SR.registerSR(LVHDoFCoESR)
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)
def attach_from_config(self, sr_uuid, vdi_uuid):
util.SMlog("LVHDoISCSIVDI.attach_from_config")
try:
self.sr.iscsi.attach(sr_uuid)
if not self.sr.iscsi._attach_LUN_bySCSIid(self.sr.SCSIid):
raise xs_errors.XenError('InvalidDev')
return LVHDSR.LVHDVDI.attach(self, sr_uuid, vdi_uuid)
except:
util.logException("LVHDoISCSIVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable', \
opterr='Unable to attach the heartbeat disk')
if __name__ == '__main__':
SRCommand.run(LVHDoISCSISR, DRIVER_INFO)
else:
SR.registerSR(LVHDoISCSISR)
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 attach_from_config(self, sr_uuid, vdi_uuid):
util.SMlog("OCFSoISCSIVDI.attach_from_config")
try:
self.sr.iscsi.attach(sr_uuid)
if not self.sr.iscsi._attach_LUN_bySCSIid(self.sr.SCSIid):
raise xs_errors.XenError('InvalidDev')
return OCFSSR.OCFSFileVDI.attach(self, sr_uuid, vdi_uuid)
except:
util.logException("OCFSoISCSIVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable', \
opterr='Unable to attach the heartbeat disk')
if __name__ == '__main__':
SRCommand.run(OCFSoISCSISR, DRIVER_INFO)
else:
SR.registerSR(OCFSoISCSISR)
self.sr.update(sr_uuid)
return super(udevVDI, self).get_params()
def update(self, sr_uuid, vdi_location):
self.load(vdi_location)
# _db_update requires self.uuid to be set
self.uuid = self.sr.srcmd.params['vdi_uuid']
self._db_update()
# also reset the name-label and description since we're a bit of
# a special SR
# this would lead to an infinite loop as VDI.set_name_label now
# calls VDI.update
# temporarily commenting this to pass quicktest
#vdi = self.sr.session.xenapi.VDI.get_by_uuid(self.uuid)
#self.sr.session.xenapi.VDI.set_name_label(vdi, self.label)
#self.sr.session.xenapi.VDI.set_name_description(vdi, self.description)
def attach(self, sr_uuid, vdi_uuid):
if self.deleted:
raise xs_errors.XenError('VDIUnavailable')
return super(udevVDI, self).attach(sr_uuid, vdi_uuid)
def detach(self, sr_uuid, vdi_uuid):
pass
if __name__ == '__main__':
SRCommand.run(udevSR, DRIVER_INFO)
else:
SR.registerSR(udevSR)
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 attach_from_config(self, sr_uuid, vdi_uuid):
util.SMlog("OCFSoHBAVDI.attach_from_config")
self.sr.hbasr.attach(sr_uuid)
if self.sr.mpath == "true":
self.sr.mpathmodule.refresh(self.sr.SCSIid,0)
try:
return self.attach(sr_uuid, vdi_uuid)
except:
util.logException("OCFSoHBAVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable', \
opterr='Unable to attach the heartbeat disk')
def match_scsidev(s):
regex = re.compile("^/dev/disk/by-id|^/dev/mapper")
return regex.search(s, 0)
if __name__ == '__main__':
SRCommand.run(OCFSoHBASR, DRIVER_INFO)
else:
SR.registerSR(OCFSoHBASR)
diskinfo = {}
cmd = [SR.TAPDISK_UTIL, "query", vhdutil.VDI_TYPE_VHD, "-vpf", path]
txt = util.pread(cmd).split('\n')
diskinfo['size'] = txt[0]
lst = [txt[1].split('/')[-1].replace(vhdutil.FILE_EXTN_VHD, "")]
for val in filter(util.exactmatch_uuid, lst):
diskinfo['parent'] = val
diskinfo['hidden'] = txt[2].split()[1]
return diskinfo
def _create(self, size, path):
cmd = [SR.TAPDISK_UTIL, "create", vhdutil.VDI_TYPE_VHD, size, path]
text = util.pread(cmd)
def _mark_hidden(self, path):
vhdutil.setHidden(path, True)
self.hidden = 1
def extractUuid(path):
fileName = os.path.basename(path)
uuid = fileName.replace(vhdutil.FILE_EXTN_VHD, "")
return uuid
extractUuid = staticmethod(extractUuid)
if __name__ == '__main__':
SRCommand.run(FileSR, DRIVER_INFO)
else:
SR.registerSR(FileSR)
util.SMlog("NFSFileVDI.generate_config")
if not util.pathexists(self.path):
raise xs_errors.XenError('VDIUnavailable')
resp = {}
resp['device_config'] = self.sr.dconf
resp['sr_uuid'] = sr_uuid
resp['vdi_uuid'] = vdi_uuid
resp['sr_sm_config'] = self.sr.sm_config
resp['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([resp]), "vdi_attach_from_config")
return xmlrpclib.dumps((config, ), "", True)
def attach_from_config(self, sr_uuid, vdi_uuid):
"""Used for HA State-file only. Will not just attach the VDI but
also start a tapdisk on the file"""
util.SMlog("NFSFileVDI.attach_from_config")
try:
self.sr.attach(sr_uuid)
except:
util.logException("NFSFileVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable', \
opterr='Unable to attach from config')
if __name__ == '__main__':
SRCommand.run(NFSSR, DRIVER_INFO)
else:
SR.registerSR(NFSSR)
count += 1
return count
def _getLUNbySMconfig(self, sm_config):
raise xs_errors.XenError('VDIUnavailable')
def vdi(self, uuid):
return LUNperVDI.RAWVDI(self, uuid)
def srlist_toxml(self, SRs):
dom = xml.dom.minidom.Document()
element = dom.createElement("SRlist")
dom.appendChild(element)
for val in SRs:
record = SRs[val]
entry = dom.createElement('SR')
element.appendChild(entry)
subentry = dom.createElement("UUID")
entry.appendChild(subentry)
textnode = dom.createTextNode(val)
subentry.appendChild(textnode)
return dom.toprettyxml()
if __name__ == '__main__':
SRCommand.run(HBASR, DRIVER_INFO)
else:
SR.registerSR(HBASR)
driver = SR.driver('hba')
if 'type' not in self.original_srcmd.params['device_config'] or \
'type' in self.original_srcmd.params['device_config'] and \
self.original_srcmd.dconf['type'] == "any":
self.original_srcmd.dconf['type'] = "fcoe"
self.hbasr = driver(self.original_srcmd, sr_uuid)
pbd = None
try:
pbd = util.find_my_pbd(self.session, self.host_ref, self.sr_ref)
except:
pass
if 'SCSIid' not in self.dconf or not self.dconf['SCSIid']:
print(self.hbasr.print_devs(), file=sys.stderr)
raise xs_errors.XenError('ConfigSCSIid')
self.SCSIid = self.dconf['SCSIid']
LVHDSR.LVHDSR.load(self, sr_uuid)
def vdi(self, uuid):
return LVHDoFCoEVDI(self, uuid)
class LVHDoFCoEVDI(LVHDoHBASR.LVHDoHBAVDI):
pass
if __name__ == '__main__':
SRCommand.run(LVHDoFCoESR, DRIVER_INFO)
else:
SR.registerSR(LVHDoFCoESR)
resp['device_config'] = self.sr.dconf
resp['sr_uuid'] = sr_uuid
resp['vdi_uuid'] = vdi_uuid
resp['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([resp]), "vdi_attach_from_config")
return xmlrpclib.dumps((config,), "", True)
def attach_from_config(self, sr_uuid, vdi_uuid):
"""
Attach and activate a VDI using config generated by
vdi_generate_config above. This is used for cases such as
the HA state-file and the redo-log.
"""
util.SMlog("FileVDI.attach_from_config")
try:
if not util.pathexists(self.sr.path):
self.sr.attach(sr_uuid)
except:
util.logException("FileVDI.attach_from_config")
raise xs_errors.XenError(
'SRUnavailable',
opterr='Unable to attach from config'
)
if __name__ == '__main__':
SRCommand.run(FileSR, DRIVER_INFO)
else:
SR.registerSR(FileSR)
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 attach_from_config(self, sr_uuid, vdi_uuid):
util.SMlog("OCFSoISCSIVDI.attach_from_config")
try:
self.sr.iscsi.attach(sr_uuid)
if not self.sr.iscsi._attach_LUN_bySCSIid(self.sr.SCSIid):
raise xs_errors.XenError('InvalidDev')
return OCFSSR.OCFSFileVDI.attach(self, sr_uuid, vdi_uuid)
except:
util.logException("OCFSoISCSIVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable', \
opterr='Unable to attach the heartbeat disk')
if __name__ == '__main__':
SRCommand.run(OCFSoISCSISR, DRIVER_INFO)
else:
SR.registerSR(OCFSoISCSISR)
raise xs_errors.XenError("VDICreate")
# XXX we ignore given vdi_uuid. is this ok?
self.sr._get_lvols()
try:
vdi = self.sr._find_vdi_by_lvolid(lvolid)
except:
# XXX a bug or race with other clients
raise
vdi._db_introduce()
return vdi.get_params()
# called by SRCommand
def delete(self, sr_uuid, vdi_uuid):
log("VASVDI.delete %s" % vdi_uuid)
assert vdi_uuid == self.uuid
lvolid = int(self.location)
try:
vas_delete_lvol(lvolid)
except xmlrpclib.Fault, inst:
# ignore ENOENT as vdi.delete is an idempotent operation.
if inst.faultCode != ENOENT:
raise
# update xapi's db
# XXX i guess there's a smarter way...
self.sr.scan(sr_uuid)
if __name__ == '__main__':
log("VASSR run %s" % sys.argv)
SRCommand.run(VASSR, DRIVER_INFO)
raise xs_errors.XenError('VDIUnavailable')
resp = {}
resp['device_config'] = self.sr.dconf
resp['sr_uuid'] = sr_uuid
resp['vdi_uuid'] = vdi_uuid
resp['sr_sm_config'] = self.sr.sm_config
resp['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([resp]), "vdi_attach_from_config")
return xmlrpclib.dumps((config, ), "", True)
def attach_from_config(self, sr_uuid, vdi_uuid):
"""Used for HA State-file only. Will not just attach the VDI but
also start a tapdisk on the file"""
util.SMlog("SMBFileVDI.attach_from_config")
try:
if not util.pathexists(self.sr.path):
self.sr.attach(sr_uuid)
except:
util.logException("SMBFileVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable', \
opterr='Unable to attach from config')
if __name__ == '__main__':
SRCommand.run(SMBSR, DRIVER_INFO)
else:
SR.registerSR(SMBSR)
#
raise xs_errors.XenError('VDIUnavailable')
resp = {}
resp['device_config'] = self.sr.dconf
resp['sr_uuid'] = sr_uuid
resp['vdi_uuid'] = vdi_uuid
resp['sr_sm_config'] = self.sr.sm_config
resp['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([resp]), "vdi_attach_from_config")
return xmlrpclib.dumps((config,), "", True)
def attach_from_config(self, sr_uuid, vdi_uuid):
"""Used for HA State-file only. Will not just attach the VDI but
also start a tapdisk on the file"""
util.SMlog("SMBFileVDI.attach_from_config")
try:
if not util.pathexists(self.sr.path):
self.sr.attach(sr_uuid)
except:
util.logException("SMBFileVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable', \
opterr='Unable to attach from config')
if __name__ == '__main__':
SRCommand.run(SMBSR, DRIVER_INFO)
else:
SR.registerSR(SMBSR)
#
self.physical_size += obj.size
count += 1
return count
def _getLUNbySMconfig(self, sm_config):
raise xs_errors.XenError('VDIUnavailable')
def vdi(self, uuid):
return LUNperVDI.RAWVDI(self, uuid)
def srlist_toxml(self, SRs):
dom = xml.dom.minidom.Document()
element = dom.createElement("SRlist")
dom.appendChild(element)
for val in SRs:
record = SRs[val]
entry = dom.createElement('SR')
element.appendChild(entry)
subentry = dom.createElement("UUID")
entry.appendChild(subentry)
textnode = dom.createTextNode(val)
subentry.appendChild(textnode)
return dom.toprettyxml()
if __name__ == '__main__':
SRCommand.run(HBASR, DRIVER_INFO)
else:
SR.registerSR(HBASR)
try:
util.pread2(["mkfs.ext3", "-F", self.remotepath])
except util.CommandException, 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 vdi(self, uuid, loadLocked = False):
if not loadLocked:
return EXTFileVDI(self, uuid)
return EXTFileVDI(self, uuid)
class EXTFileVDI(FileSR.FileVDI):
def attach(self, sr_uuid, vdi_uuid):
if not hasattr(self,'xenstore_data'):
self.xenstore_data = {}
self.xenstore_data["storage-type"]="ext"
return super(EXTFileVDI, self).attach(sr_uuid, vdi_uuid)
if __name__ == '__main__':
SRCommand.run(EXTSR, DRIVER_INFO)
else:
SR.registerSR(EXTSR)
# XXX we ignore given vdi_uuid. is this ok?
self.sr._get_lvols()
try:
vdi = self.sr._find_vdi_by_lvolid(lvolid)
except:
# XXX a bug or race with other clients
raise
vdi._db_introduce()
return vdi.get_params()
# called by SRCommand
def delete(self, sr_uuid, vdi_uuid):
log("VASVDI.delete %s" % vdi_uuid)
assert vdi_uuid == self.uuid
lvolid = int(self.location)
try:
vas_delete_lvol(lvolid)
except xmlrpclib.Fault, inst:
# ignore ENOENT as vdi.delete is an idempotent operation.
if inst.faultCode != ENOENT:
raise
# update xapi's db
# XXX i guess there's a smarter way...
self.sr.scan(sr_uuid)
if __name__ == "__main__":
log("VASSR run %s" % sys.argv)
SRCommand.run(VASSR, DRIVER_INFO)
return super(ISOVDI, self).get_params()
except Exception as exn:
util.SMlog("Exception when creating VDI: %s" % exn)
raise xs_errors.XenError('VDICreate', \
opterr='could not create file: "%s"' % self.path)
def delete(self, sr_uuid, vdi_uuid):
util.SMlog("Deleting...")
self.uuid = vdi_uuid
self._db_forget()
if not util.pathexists(self.path):
return
try:
util.SMlog("Unlinking...")
os.unlink(self.path)
util.SMlog("Done...")
except:
raise xs_errors.XenError('VDIDelete')
# delete, update, introduce unimplemented. super class will raise
# exceptions
if __name__ == '__main__':
SRCommand.run(ISOSR, DRIVER_INFO)
else:
SR.registerSR(ISOSR)
cephutils.VDI.update(self, sr_uuid, vdi_uuid)
sm_config = self.session.xenapi.VDI.get_sm_config(self_vdi_ref)
if sm_config.has_key('reverted'):
if sm_config['reverted'] == 'true':
del sm_config['reverted']
self.session.xenapi.VDI.set_sm_config(self_vdi_ref, sm_config)
else:
if has_snapshots == True:
for snapshot_uuid in self.snaps.keys():
util.SMlog("RBDVDI.update start setting snapshots")
snapshot_vdi_ref = self.session.xenapi.VDI.get_by_uuid(snapshot_uuid)
self.session.xenapi.VDI.set_name_label(snapshot_vdi_ref, self.session.xenapi.VDI.get_name_label(self_vdi_ref))
self.session.xenapi.VDI.set_name_description(snapshot_vdi_ref, self.session.xenapi.VDI.get_name_description(self_vdi_ref))
util.SMlog("RBDVDI.update finish setting snapshots")
else:
self_vdi_sm_config = self.session.xenapi.VDI.get_sm_config(self_vdi_ref)
base_vdi_uuid = self_vdi_sm_config["snapshot-of"]
base_vdi_ref = self.session.xenapi.VDI.get_by_uuid(base_vdi_uuid)
self.label=self.session.xenapi.VDI.get_name_label(base_vdi_ref)
self.description=self.session.xenapi.VDI.get_name_description(base_vdi_ref)
self.snaps = {}
self.snaps[vdi_uuid]=self.session.xenapi.VDI.get_snapshot_time(self_vdi_ref)
cephutils.VDI.update(self, sr_uuid, base_vdi_uuid)
if __name__ == '__main__':
SRCommand.run(RBDSR, DRIVER_INFO)
else:
SR.registerSR(RBDSR)
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 attach_from_config(self, sr_uuid, vdi_uuid):
util.SMlog("LVHDoHBAVDI.attach_from_config")
self.sr.hbasr.attach(sr_uuid)
if self.sr.mpath == "true":
self.sr.mpathmodule.refresh(self.sr.SCSIid, 0)
try:
return self.attach(sr_uuid, vdi_uuid)
except:
util.logException("LVHDoHBAVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable', \
opterr='Unable to attach the heartbeat disk')
def match_scsidev(s):
regex = re.compile("^/dev/disk/by-id|^/dev/mapper")
return regex.search(s, 0)
if __name__ == '__main__':
SRCommand.run(LVHDoHBASR, DRIVER_INFO)
else:
SR.registerSR(LVHDoHBASR)
self.session.xenapi.VDI.remove_from_xenstore_data(vdi_ref, \
"storage-type")
self.session.xenapi.VDI.add_to_xenstore_data(vdi_ref, \
"storage-type", "nfs")
except:
util.logException("NFSSR:attach")
pass
return super(NFSFileVDI, self).attach(sr_uuid, vdi_uuid)
def clone(self, sr_uuid, vdi_uuid):
timestamp_before = int(util.get_mtime(self.sr.path))
ret = super(NFSFileVDI, self).clone(sr_uuid, vdi_uuid)
timestamp_after = int(util.get_mtime(self.sr.path))
if timestamp_after == timestamp_before:
util.SMlog("SR dir timestamp didn't change, updating")
timestamp_after += 1
os.utime(self.sr.path, (timestamp_after, timestamp_after))
return ret
class NFSFileVDINolock(NFSFileVDI):
def load(self, vdi_uuid):
self.lock = self.sr.lock
self._load(vdi_uuid)
if __name__ == '__main__':
SRCommand.run(NFSSR, DRIVER_INFO)
else:
SR.registerSR(NFSSR)
def generate_config(self, sr_uuid, vdi_uuid):
util.SMlog("SMBFileVDI.generate_config")
if not util.pathexists(self.path):
raise xs_errors.XenError('VDIUnavailable')
resp = {
'device_config': self.sr.dconf,
'sr_uuid': sr_uuid,
'vdi_uuid': vdi_uuid,
'sr_sm_config': self.sr.sm_config,
'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([resp]), "vdi_attach_from_config")
return xmlrpclib.dumps((config, ), "", True)
def attach_from_config(self, sr_uuid, vdi_uuid):
try:
if not util.pathexists(self.sr.path):
self.sr.attach(sr_uuid)
except:
util.logException("SMBFileVDI.attach_from_config")
raise xs_errors.XenError('SRUnavailable',
opterr='Unable to attach from config')
if __name__ == '__main__':
SRCommand.run(CephFSSR, DRIVER_INFO)
else:
SR.registerSR(CephFSSR)