def get_iscsi_initiator(self):
"""Returns the initiator node name."""
try:
buff = (ctypes.c_wchar * (iscsi_struct.MAX_ISCSI_NAME_LEN + 1))()
self._run_and_check_output(iscsidsc.GetIScsiInitiatorNodeNameW,
ctypes.byref(buff))
return buff.value
except exceptions.ISCSIInitiatorAPIException as ex:
LOG.info(_LI("The ISCSI initiator node name can't be found. "
"Choosing the default one. Exception: %s"), ex)
return "%s:%s" % (self._MS_IQN_PREFIX, socket.getfqdn().lower())
def create_iscsi_target(self, target_name, fail_if_exists=False):
"""Creates ISCSI target."""
try:
self._conn_wmi.WT_Host.NewHost(HostName=target_name)
except wmi.x_wmi as wmi_exc:
err_code = self._win32utils.get_com_err_code(wmi_exc.com_error)
target_exists = err_code == self._ERR_FILE_EXISTS
if not target_exists or fail_if_exists:
err_msg = _('Failed to create iSCSI target: %s.')
raise exceptions.ISCSITargetWMIException(err_msg % target_name,
wmi_exc=wmi_exc)
else:
LOG.info(_LI('The iSCSI target %s already exists.'),
target_name)
def create_iscsi_target(self, target_name, fail_if_exists=False):
"""Creates ISCSI target."""
try:
self._conn_wmi.WT_Host.NewHost(HostName=target_name)
except exceptions.x_wmi as wmi_exc:
err_code = self._win32utils.get_com_err_code(wmi_exc.com_error)
target_exists = err_code == self._ERR_FILE_EXISTS
if not target_exists or fail_if_exists:
err_msg = _('Failed to create iSCSI target: %s.')
raise exceptions.ISCSITargetWMIException(err_msg % target_name,
wmi_exc=wmi_exc)
else:
LOG.info(_LI('The iSCSI target %s already exists.'),
target_name)
def get_iscsi_initiator(self):
"""Get iscsi initiator name for this machine."""
computer_system = self._conn_cimv2.Win32_ComputerSystem()[0]
hostname = computer_system.name
keypath = ("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\"
"iSCSI\\Discovery")
try:
key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, keypath, 0,
winreg.KEY_ALL_ACCESS)
temp = winreg.QueryValueEx(key, 'DefaultInitiatorName')
initiator_name = str(temp[0])
winreg.CloseKey(key)
except Exception:
LOG.info(_LI("The ISCSI initiator name can't be found. "
"Choosing the default one"))
initiator_name = "iqn.1991-05.com.microsoft:" + hostname.lower()
if computer_system.PartofDomain:
initiator_name += '.' + computer_system.Domain.lower()
return initiator_name
def get_iscsi_initiator(self):
"""Get iscsi initiator name for this machine."""
computer_system = self._conn_cimv2.Win32_ComputerSystem()[0]
hostname = computer_system.name
keypath = ("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\"
"iSCSI\\Discovery")
try:
key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, keypath, 0,
winreg.KEY_ALL_ACCESS)
temp = winreg.QueryValueEx(key, 'DefaultInitiatorName')
initiator_name = str(temp[0])
winreg.CloseKey(key)
except Exception:
LOG.info(
_LI("The ISCSI initiator name can't be found. "
"Choosing the default one"))
initiator_name = "iqn.1991-05.com.microsoft:" + hostname.lower()
if computer_system.PartofDomain:
initiator_name += '.' + computer_system.Domain.lower()
return initiator_name
