def terminate_connection(self, volume, connector, **kwargs):
self.do_setup_status.wait()
ldev = self.common.get_ldev(volume)
if ldev is None:
msg = basic_lib.set_msg(302, volume_id=volume['id'])
LOG.warning(msg)
return
if 'wwpns' not in connector:
msg = basic_lib.output_err(650, resource='HBA')
raise exception.HBSDError(message=msg)
hostgroups = []
self._get_hostgroup_info(hostgroups, connector['wwpns'], login=False)
if not hostgroups:
msg = basic_lib.output_err(649)
raise exception.HBSDError(message=msg)
self.common.add_volinfo(ldev, volume['id'])
with nested(self.common.volume_info[ldev]['lock'],
self.common.volume_info[ldev]['in_use']):
self._terminate_connection(ldev, connector, hostgroups)
properties = self._get_properties(volume,
hostgroups,
terminate=True)
LOG.debug('Terminate volume_info: %s' % self.common.volume_info)
return {'driver_volume_type': 'fibre_channel', 'data': properties}
def create_volume_from_snapshot(self, volume, snapshot):
pvol = self.get_ldev(snapshot)
if pvol is None:
msg = basic_lib.output_err(624, type='snapshot', id=snapshot['id'])
raise exception.HBSDError(message=msg)
self.add_volinfo(pvol, id=snapshot['id'], type='snapshot')
with self.volume_info[pvol]['in_use']:
is_vvol = self.get_snapshot_is_vvol(snapshot)
if snapshot['status'] != 'available':
msg = basic_lib.output_err(655, status=snapshot['status'])
raise exception.HBSDError(message=msg)
size = volume['size']
src_size = snapshot['volume_size']
if size != src_size:
msg = basic_lib.output_err(617,
type='snapshot',
volume_id=volume['id'])
raise exception.HBSDError(message=msg)
metadata = self.get_volume_metadata(volume['id'])
method = None if is_vvol else self.get_copy_method(volume)
svol, type = self.copy_data(pvol, size, is_vvol, method)
metadata['type'] = type
metadata['snapshot'] = snapshot['id']
metadata['ldev'] = svol
return {'provider_location': svol, 'metadata': metadata}
def create_cloned_volume(self, volume, src_vref):
pvol = self.get_ldev(src_vref)
if pvol is None:
msg = basic_lib.output_err(624, type='volume', id=src_vref['id'])
raise exception.HBSDError(message=msg)
self.add_volinfo(pvol, src_vref['id'])
with self.volume_info[pvol]['in_use']:
is_vvol = self.get_volume_is_vvol(src_vref)
self.check_volume_status(self.get_volume(src_vref['id']), is_vvol)
size = volume['size']
src_size = src_vref['size']
if size != src_size:
msg = basic_lib.output_err(617,
type='volume',
volume_id=volume['id'])
raise exception.HBSDError(message=msg)
metadata = self.get_volume_metadata(volume['id'])
method = None if is_vvol else self.get_copy_method(volume)
svol, type = self.copy_data(pvol, size, is_vvol, method)
metadata['type'] = type
metadata['volume'] = src_vref['id']
metadata['ldev'] = svol
return {'provider_location': svol, 'metadata': metadata}
def _range2list(self, conf, param):
str = getattr(conf, param)
lists = str.split('-')
if len(lists) != 2:
msg = basic_lib.output_err(601, param=param)
raise exception.HBSDError(message=msg)
first_type = None
for i in range(len(lists)):
if lists[i].isdigit():
lists[i] = int(lists[i], 10)
if first_type == 'hex':
msg = basic_lib.output_err(601, param=param)
raise exception.HBSDError(message=msg)
first_type = 'dig'
else:
if (first_type == 'dig'
or not re.match('\w\w:\w\w:\w\w', lists[i])):
msg = basic_lib.output_err(601, param=param)
raise exception.HBSDError(message=msg)
try:
lists[i] = int(lists[i].replace(':', ''), 16)
first_type = 'hex'
except Exception:
msg = basic_lib.output_err(601, param=param)
raise exception.HBSDError(message=msg)
if lists[0] > lists[1]:
msg = basic_lib.output_err(601, param=param)
raise exception.HBSDError(message=msg)
return lists
def get_gid_from_targetiqn(self, target_iqn, target_alias, port):
unit = self.unit_name
ret, stdout, stderr = self.exec_hsnm('autargetdef',
'-unit %s -refer' % unit)
if ret:
msg = basic_lib.output_err(600,
cmd='autargetdef',
ret=ret,
out=stdout,
err=stderr)
raise exception.HBSDCmdError(message=msg, ret=ret, err=stderr)
gid = None
tmp_port = None
found_alias_full = False
found_alias_part = False
lines = stdout.splitlines()
for line in lines:
line = shlex.split(line)
if not line:
continue
if line[0] == "Port":
tmp_port = line[1]
continue
if port != tmp_port:
continue
if line[0][0:3].isdigit():
tmp_gid = int(line[0][0:3])
if re.match(basic_lib.NAME_PREFIX, line[0][4:]):
found_alias_part = True
if line[0][4:] == target_alias:
found_alias_full = True
continue
if line[0] == "iSCSI":
if line[3] == target_iqn:
gid = tmp_gid
break
else:
found_alias_part = False
if found_alias_full and gid is None:
msg = basic_lib.output_err(641)
raise exception.HBSDError(message=msg)
# When 'gid' is 0, it should be true.
# So, it cannot remove 'is not None'.
if not found_alias_part and gid is not None:
msg = basic_lib.output_err(641)
raise exception.HBSDError(message=msg)
return gid
def get_copy_method(self, volume):
method = self.get_value(volume, 'volume_metadata', 'copy_method')
if method:
if method not in COPY_METHOD:
msg = basic_lib.output_err(602, meta='copy_method')
raise exception.HBSDError(message=msg)
elif (method == 'THIN'
and self.configuration.hitachi_thin_pool_id is None):
msg = basic_lib.output_err(601, param='hitachi_thin_pool_id')
raise exception.HBSDError(message=msg)
else:
method = self.configuration.hitachi_default_copy_method
return method
def comm_get_iscsi_ip(self, port):
unit = self.unit_name
ret, stdout, stderr = self.exec_hsnm('auiscsi',
'-unit %s -refer' % unit)
if ret:
msg = basic_lib.output_err(600,
cmd='auiscsi',
ret=ret,
out=stdout,
err=stderr)
raise exception.HBSDCmdError(message=msg, ret=ret, err=stderr)
lines = stdout.splitlines()
is_target_port = False
for line in lines:
line_array = shlex.split(line)
if not line_array:
continue
if line_array[0] == 'Port' and line_array[1] != 'Number':
if line_array[1] == port:
is_target_port = True
else:
is_target_port = False
continue
if is_target_port and re.search('IPv4 Address', line):
ip_addr = shlex.split(line)[3]
break
if is_target_port and re.search('Port Number', line):
ip_port = shlex.split(line)[3]
else:
msg = basic_lib.output_err(651)
raise exception.HBSDError(message=msg)
return ip_addr, ip_port
def create_snapshot(self, snapshot):
src_ref = self.get_volume(snapshot['volume_id'])
pvol = self.get_ldev(src_ref)
if pvol is None:
msg = basic_lib.output_err(624, type='volume', id=src_ref['id'])
raise exception.HBSDError(message=msg)
self.add_volinfo(pvol, src_ref['id'])
with self.volume_info[pvol]['in_use']:
is_vvol = self.get_volume_is_vvol(src_ref)
self.check_volume_status(src_ref, is_vvol)
size = snapshot['volume_size']
snap_metadata = self.get_snapshot_metadata(snapshot['id'])
method = None if is_vvol else self.get_copy_method(src_ref)
svol, type = self.copy_data(pvol, size, is_vvol, method)
if type == 'V-VOL':
snap_metadata['type'] = type
snap_metadata['ldev'] = svol
snapshot_metadata = api._metadata_refs(snap_metadata,
models.SnapshotMetadata)
return {'provider_location': svol,
'snapshot_metadata': snapshot_metadata}
def get_unused_ldev(self, ldev_range):
start = ldev_range[0]
end = ldev_range[1]
unit = self.unit_name
ret, stdout, stderr = self.exec_hsnm('auluref', '-unit %s' % unit)
if ret:
msg = basic_lib.output_err(
600, cmd='auluref', ret=ret, out=stdout, err=stderr)
raise exception.HBSDCmdError(message=msg, ret=ret, err=stderr)
free_ldev = start
lines = stdout.splitlines()
found = False
for line in lines[2:]:
line = shlex.split(line)
if not line:
continue
ldev_num = int(line[0])
if free_ldev > ldev_num:
continue
if free_ldev == ldev_num:
free_ldev += 1
else:
found = True
break
if free_ldev > end:
break
else:
found = True
if not found:
msg = basic_lib.output_err(648, resource='LDEV')
raise exception.HBSDError(message=msg)
return free_ldev
def add_hostgroup_master(self, hgs, master_wwns, host_ip, security_ports):
target_ports = self.configuration.hitachi_target_ports
group_request = self.configuration.hitachi_group_request
wwns = []
for wwn in master_wwns:
wwns.append(wwn.lower())
if target_ports and group_request:
host_grp_name = '%s%s' % (basic_lib.NAME_PREFIX, host_ip)
for port in security_ports:
wwns_copy = wwns[:]
for hostgroup in hgs:
if (hostgroup['port'] == port and
hostgroup['initiator_wwn'].lower() in wwns_copy):
wwns_copy.remove(hostgroup['initiator_wwn'].lower())
if wwns_copy:
try:
self._fill_group(hgs, port, host_grp_name, wwns_copy)
except Exception as ex:
LOG.warning(
_('Failed to add host group: %s') %
six.text_type(ex))
msg = basic_lib.set_msg(308,
port=port,
name=host_grp_name)
LOG.warning(msg)
if not hgs:
msg = basic_lib.output_err(649)
raise exception.HBSDError(message=msg)
def check_volume_status(self, volume, is_vvol):
if not is_vvol:
status = VALID_DP_VOLUME_STATUS
else:
status = VALID_V_VOLUME_STATUS
if volume['status'] not in status:
msg = basic_lib.output_err(654, status=volume['status'])
raise exception.HBSDError(message=msg)
def extend_volume(self, volume, new_size):
pvol = self.get_ldev(volume)
self.add_volinfo(pvol, volume['id'])
with self.volume_info[pvol]['in_use']:
if self.get_volume_is_vvol(volume):
msg = basic_lib.output_err(618, volume_id=volume['id'])
raise exception.HBSDError(message=msg)
self._extend_volume(pvol, volume['size'], new_size)
def create_empty_file(filename):
if not os.path.exists(filename):
try:
utils.execute('touch', filename)
except putils.ProcessExecutionError as ex:
msg = output_err(
631, file=filename, ret=ex.exit_code, err=ex.stderr)
raise exception.HBSDError(message=msg)
def _wait_for_pair_status(self, pvol, svol, is_vvol,
status, timeout, start):
if self._comm_pairevtwait(pvol, svol, is_vvol) in status:
raise loopingcall.LoopingCallDone()
if time.time() - start >= timeout:
msg = basic_lib.output_err(
637, method='_wait_for_pair_status', timeout=timeout)
raise exception.HBSDError(message=msg)
def _execute_with_exception(self, cmd, args, **kwargs):
ret, stdout, stderr = self.exec_hsnm(cmd, args, **kwargs)
if ret:
cmds = '%(cmd)s %(args)s' % {'cmd': cmd, 'args': args}
msg = basic_lib.output_err(
600, cmd=cmds, ret=ret, out=stdout, err=stderr)
raise exception.HBSDError(data=msg)
return ret, stdout, stderr
def check_param(self):
try:
self.common.check_param()
self._check_param()
except exception.HBSDError:
raise
except Exception as ex:
raise exception.HBSDError(
message=basic_lib.output_err(601, param=six.text_type(ex)))
def copy_volume_to_image(self, context, volume, image_service, image_meta):
self.do_setup_status.wait()
if volume['volume_attachment']:
desc = 'volume %s' % volume['id']
raise exception.HBSDError(
message=basic_lib.output_err(660, desc=desc))
super(HBSDISCSIDriver,
self).copy_volume_to_image(context, volume, image_service,
image_meta)
def copy_volume_to_image(self, context, volume, image_service, image_meta):
self.do_setup_status.wait()
if (volume['instance_uuid'] or volume['attached_host']):
desc = 'volume %s' % volume['id']
msg = basic_lib.output_err(660, desc=desc)
raise exception.HBSDError(message=msg)
super(HBSDFCDriver,
self).copy_volume_to_image(context, volume, image_service,
image_meta)
def set_chap_authention(self, port, gid):
ctl_no = port[0]
port_no = port[1]
unit = self.unit_name
auth_username = self.conf.hitachi_auth_user
auth_password = self.conf.hitachi_auth_password
add_chap_user = self.conf.hitachi_add_chap_user
assign_flag = True
added_flag = False
opt = '-unit %s -refer %s %s -user %s' % (unit, ctl_no, port_no,
auth_username)
ret, stdout, stderr = self.exec_hsnm('auchapuser', opt, noretry=True)
if ret:
if not add_chap_user:
msg = basic_lib.output_err(643, user=auth_username)
raise exception.HBSDError(message=msg)
root_helper = utils.get_root_helper()
cmd = ('%s env %s auchapuser -unit %s -add %s %s '
'-tno %d -user %s' % (root_helper, SNM2_ENV, unit, ctl_no,
port_no, gid, auth_username))
LOG.debug('Add CHAP user')
loop = loopingcall.FixedIntervalLoopingCall(
self._wait_for_add_chap_user, cmd, auth_username,
auth_password, time.time())
added_flag = loop.start(interval=EXEC_INTERVAL).wait()
else:
lines = stdout.splitlines()[4:]
for line in lines:
if int(shlex.split(line)[0][0:3]) == gid:
assign_flag = False
break
if assign_flag:
opt = '-unit %s -assign %s %s -tno %d -user %s' % (
unit, ctl_no, port_no, gid, auth_username)
ret, stdout, stderr = self.exec_hsnm('auchapuser', opt)
if ret:
if added_flag:
_ret, _stdout, _stderr = self.delete_chap_user(port)
if _ret:
msg = basic_lib.set_msg(303, user=auth_username)
LOG.warning(msg)
msg = basic_lib.output_err(600,
cmd='auchapuser',
ret=ret,
out=stdout,
err=stderr)
raise exception.HBSDCmdError(message=msg, ret=ret, err=stderr)
return added_flag
def _check_param(self):
self.configuration.append_config_values(volume_opts)
if (self.configuration.hitachi_auth_method
and self.configuration.hitachi_auth_method not in CHAP_METHOD):
raise exception.HBSDError(
message=basic_lib.output_err(601, param='hitachi_auth_method'))
if self.configuration.hitachi_auth_method == 'None':
self.configuration.hitachi_auth_method = None
for opt in volume_opts:
getattr(self.configuration, opt.name)
def terminate_connection(self, volume, connector, **kwargs):
self.do_setup_status.wait()
ldev = self.common.get_ldev(volume)
if ldev is None:
LOG.warning(basic_lib.set_msg(302, volume_id=volume['id']))
return
if 'initiator' not in connector:
raise exception.HBSDError(
message=basic_lib.output_err(650, resource='HBA'))
hostgroups = []
self._get_hostgroup_info_iscsi(hostgroups, connector['initiator'])
if not hostgroups:
raise exception.HBSDError(message=basic_lib.output_err(649))
self.common.add_volinfo(ldev, volume['id'])
with self.common.volume_info[ldev]['lock'],\
self.common.volume_info[ldev]['in_use']:
self._terminate_connection(ldev, connector, hostgroups)
def add_hostgroup(self):
properties = utils.brick_get_connector_properties()
if 'initiator' not in properties:
raise exception.HBSDError(
message=basic_lib.output_err(650, resource='HBA'))
LOG.debug("initiator: %s", properties['initiator'])
hostgroups = []
security_ports = self._get_hostgroup_info_iscsi(
hostgroups, properties['initiator'])
self.add_hostgroup_master(hostgroups, properties['initiator'],
properties['ip'], security_ports)
def add_hostgroup(self):
properties = utils.brick_get_connector_properties()
if 'wwpns' not in properties:
msg = basic_lib.output_err(650, resource='HBA')
raise exception.HBSDError(message=msg)
LOG.debug("wwpns: %s" % properties['wwpns'])
hostgroups = []
security_ports = self._get_hostgroup_info(
hostgroups, properties['wwpns'], login=False)
self.add_hostgroup_master(hostgroups, properties['wwpns'],
properties['ip'], security_ports)
self.add_hostgroup_pair(self.pair_hostgroups)
def get_unused_gid(self, group_range, port):
start = group_range[0]
end = group_range[1]
unit = self.unit_name
ret, stdout, stderr = self.exec_hsnm('auhgdef',
'-unit %s -refer' % unit)
if ret:
msg = basic_lib.output_err(600,
cmd='auhgdef',
ret=ret,
out=stdout,
err=stderr)
raise exception.HBSDCmdError(message=msg, ret=ret, err=stderr)
lines = stdout.splitlines()
is_target_port = False
free_gid = start
found = False
for line in lines:
line = shlex.split(line)
if not line:
continue
if line[0] == 'Port' and line[1] == port:
is_target_port = True
continue
if is_target_port:
if line[0] == 'Port':
found = True
break
if not line[0].isdigit():
continue
gid = int(line[0])
if free_gid > gid:
continue
if free_gid == gid:
free_gid += 1
else:
found = True
break
if free_gid > end or free_gid > MAX_HOSTGROUPS:
break
else:
found = True
if not found:
msg = basic_lib.output_err(648, resource='GID')
raise exception.HBSDError(message=msg)
return free_gid
def __enter__(self):
if not os.access(self.fname, os.W_OK):
msg = output_err(633, file=self.fname)
raise exception.HBSDError(message=msg)
self.lock_object.acquire()
try:
ret = super(FileLock, self).__enter__()
except Exception:
with excutils.save_and_reraise_exception():
self.lock_object.release()
return ret
def _manage_existing_get_size(self, volume, existing_ref):
"""Return size of volume for manage_existing."""
ldev = self._string2int(existing_ref.get('ldev'))
if ldev is None:
msg = basic_lib.output_err(701)
raise exception.HBSDError(data=msg)
size = self.command.get_ldev_size_in_gigabyte(ldev, existing_ref)
metadata = {'type': basic_lib.NORMAL_VOLUME_TYPE, 'ldev': ldev}
self._update_volume_metadata(volume['id'], metadata)
return size
def initialize_connection(self, volume, connector):
self.do_setup_status.wait()
ldev = self.common.get_ldev(volume)
if ldev is None:
msg = basic_lib.output_err(619, volume_id=volume['id'])
raise exception.HBSDError(message=msg)
self.common.add_volinfo(ldev, volume['id'])
with nested(self.common.volume_info[ldev]['lock'],
self.common.volume_info[ldev]['in_use']):
hostgroups = self._initialize_connection(ldev, connector)
properties = self._get_properties(volume, hostgroups)
LOG.debug('Initialize volume_info: %s' % self.common.volume_info)
LOG.debug('HFCDrv: properties=%s' % properties)
return {'driver_volume_type': 'fibre_channel', 'data': properties}
def _fill_group(self, hgs, port, host_grp_name, wwns):
added_hostgroup = False
LOG.debug(
'Create host group (hgs: %(hgs)s port: %(port)s '
'name: %(name)s wwns: %(wwns)s)', {
'hgs': hgs,
'port': port,
'name': host_grp_name,
'wwns': wwns
})
gid = self._get_hgname_gid(port, host_grp_name)
if gid is None:
for retry_cnt in basic_lib.DEFAULT_TRY_RANGE:
try:
gid = self._get_unused_gid(port)
self._add_hostgroup(port, gid, host_grp_name)
added_hostgroup = True
except exception.HBSDNotFound:
gid = None
LOG.warning(basic_lib.set_msg(312, resource='GID'))
continue
else:
LOG.debug(
'Completed to add host target'
'(port: %(port)s gid: %(gid)d)', {
'port': port,
'gid': gid
})
break
else:
msg = basic_lib.output_err(641)
raise exception.HBSDError(message=msg)
try:
if wwns:
self._add_wwn(hgs, port, gid, wwns)
else:
hgs.append({
'port': port,
'gid': gid,
'initiator_wwn': None,
'detected': True
})
except Exception:
with excutils.save_and_reraise_exception():
if added_hostgroup:
self._delete_hostgroup(port, gid, host_grp_name)
def check_param(self):
conf = self.configuration
if conf.hitachi_unit_name and conf.hitachi_serial_number:
msg = basic_lib.output_err(604)
raise exception.HBSDError(message=msg)
if not conf.hitachi_unit_name and not conf.hitachi_serial_number:
msg = basic_lib.output_err(605)
raise exception.HBSDError(message=msg)
if conf.hitachi_pool_id is None:
msg = basic_lib.output_err(601, param='hitachi_pool_id')
raise exception.HBSDError(message=msg)
for param in PARAM_RANGE.keys():
_value = getattr(conf, param)
if (_value and
(not PARAM_RANGE[param]['min'] <= _value <=
PARAM_RANGE[param]['max'])):
msg = basic_lib.output_err(601, param=param)
raise exception.HBSDError(message=msg)
if conf.hitachi_default_copy_method not in COPY_METHOD:
msg = basic_lib.output_err(601,
param='hitachi_default_copy_method')
raise exception.HBSDError(message=msg)
if (conf.hitachi_default_copy_method == 'THIN'
and conf.hitachi_thin_pool_id is None):
msg = basic_lib.output_err(601, param='hitachi_thin_pool_id')
raise exception.HBSDError(message=msg)
for param in ('hitachi_ldev_range', 'hitachi_group_range'):
if not getattr(conf, param):
continue
else:
_value = self._range2list(conf, param)
setattr(conf, param, _value)
if conf.hitachi_target_ports:
conf.hitachi_target_ports = conf.hitachi_target_ports.split(',')
for opt in volume_opts:
getattr(conf, opt.name)
if conf.hitachi_unit_name:
self.command = snm2.HBSDSNM2(conf)
else:
conf.append_config_values(horcm.volume_opts)
self.command = horcm.HBSDHORCM(conf)
self.command.check_param()
self.pair_flock = self.command.set_pair_flock()
self.horcmgr_flock = self.command.set_horcmgr_flock()
def get_unused_gid_iscsi(self, group_range, port):
start = group_range[0]
end = min(group_range[1], MAX_HOSTGROUPS_ISCSI)
unit = self.unit_name
ret, stdout, stderr = self.exec_hsnm('autargetdef',
'-unit %s -refer' % unit)
if ret:
msg = basic_lib.output_err(600,
cmd='autargetdef',
ret=ret,
out=stdout,
err=stderr)
raise exception.HBSDCmdError(message=msg, ret=ret, err=stderr)
used_list = []
tmp_port = None
lines = stdout.splitlines()
for line in lines:
line = shlex.split(line)
if not line:
continue
if line[0] == "Port":
tmp_port = line[1]
continue
if port != tmp_port:
continue
if line[0][0:3].isdigit():
gid = int(line[0][0:3])
if start <= gid <= end:
used_list.append(gid)
if not used_list:
return start
for gid in range(start, end + 1):
if gid not in used_list:
break
else:
msg = basic_lib.output_err(648, resource='GID')
raise exception.HBSDError(message=msg)
return gid
