def _get_path_lun_iscsi(self):
from infi.storagemodel.unix.utils import execute_command
from infi.dtypes.iqn import IQN
import re
process = execute_command(['iscsiadm', 'list', 'target', '-S'])
output = process.get_stdout().splitlines()
for line_number, line in enumerate(output):
if re.search(r'Target: ', line):
result_iqn = line.split()[1]
_ = IQN(result_iqn) # make sure iqn is valid
if result_iqn != self.target_iqn:
continue
for indent_line in range(line_number + 1, len(output)):
if re.search(r'TPGT:', output[indent_line]):
uid = output[indent_line].split()[1]
if uid != self.iscsi_session_uid:
break
if re.search(r'LUN:', output[indent_line]):
lun = output[indent_line].split()[1]
if re.search('OS Device Name', output[indent_line]):
device_name = output[indent_line].split()[3]
if device_name == self.mpath_dev_path:
return int(lun)
elif "array" in self.mpath_dev_path:
if "array" in device_name or "Not" in device_name:
msg = "correlating device {} <-> {}, both should be lun 0".format(output[indent_line],
self.mpath_dev_path)
logger.debug(msg)
return 0
else:
continue
if re.search(r'Target: ', output[indent_line]):
break # We reached the next target no point searching forward
def _get_path_lun_iscsi(self):
from infi.storagemodel.unix.utils import execute_command
from infi.dtypes.iqn import IQN
import re
process = execute_command(['iscsiadm', 'list', 'target', '-S'])
output = process.get_stdout().splitlines()
for line_number, line in enumerate(output):
if re.search(r'Target: ', line):
result_iqn = line.split()[1]
_ = IQN(result_iqn) # make sure iqn is valid
if result_iqn != self.target_iqn:
continue
for indent_line in range(line_number + 1, len(output)):
if re.search(r'TPGT:', output[indent_line]):
uid = output[indent_line].split()[1]
if uid != self.iscsi_session_uid:
break
if re.search(r'LUN:', output[indent_line]):
lun = output[indent_line].split()[1]
if re.search('OS Device Name', output[indent_line]):
device_name = output[indent_line].split()[3]
if device_name == self.mpath_dev_path:
return int(lun)
elif "array" in self.mpath_dev_path:
if "array" in device_name or "Not" in device_name:
msg = "correlating device {} <-> {}, both should be lun 0".format(
output[indent_line], self.mpath_dev_path)
logger.debug(msg)
return 0
else:
continue
if re.search(r'Target: ', output[indent_line]):
break # We reached the next target no point searching forward
def rescan_method(self):
res = execute_command("cfgadm -lao show_SCSI_LUN".split(), check_returncode=False)
if res.get_returncode() not in (0, 2):
raise ExecutionError(res)
execute_assert_success("devfsadm -vC".split())
execute_assert_success("devfsadm -r / -p /etc/path_to_inst".split())
try:
execute("vxdctl enable".split()) # TODO execute only if veritas is installed
except OSError:
pass
return 0
def _run_command(self, cmd):
from infi.execute import ExecutionError
from infi.storagemodel.unix.utils import execute_command
try:
return execute_command(cmd.split()).get_stdout()
except OSError as e:
if e.errno not in (2, 20): # file not found, not a directory
logger.exception("{} failed with unknown reason".formart(cmd[0]))
return ""
except ExecutionError:
logger.exception("{} failed, returning empty output".format(cmd[0]))
return ""
def rescan_method(self):
res = execute_command("cfgadm -lao show_SCSI_LUN".split(),
check_returncode=False)
if res.get_returncode() not in (0, 2):
raise ExecutionError(res)
execute_assert_success("devfsadm -vC".split())
execute_assert_success("devfsadm -r / -p /etc/path_to_inst".split())
try:
execute("vxdctl enable".split()
) # TODO execute only if veritas is installed
except OSError:
pass
return 0
def _run_command(self, cmd):
from infi.execute import ExecutionError
from infi.storagemodel.unix.utils import execute_command
try:
return execute_command(cmd.split()).get_stdout()
except OSError as e:
if e.errno not in (2, 20): # file not found, not a directory
logger.exception("{} failed with unknown reason".formart(
cmd[0]))
return ""
except ExecutionError:
logger.exception("{} failed, returning empty output".format(
cmd[0]))
return ""
