# Path: os_brick/exception.py
# LOG = logging.getLogger(__name__)
# class BrickException(Exception):
# class NotFound(BrickException):
# class Invalid(BrickException):
# class InvalidParameterValue(Invalid):
# class NoFibreChannelHostsFound(BrickException):
# class NoFibreChannelVolumeDeviceFound(BrickException):
# class VolumeNotDeactivated(BrickException):
# class VolumeDeviceNotFound(BrickException):
# class VolumePathsNotFound(BrickException):
# class VolumePathNotRemoved(BrickException):
# class ProtocolNotSupported(BrickException):
# class TargetPortalNotFound(BrickException):
# class TargetPortalsNotFound(TargetPortalNotFound):
# class FailedISCSITargetPortalLogin(BrickException):
# class BlockDeviceReadOnly(BrickException):
# class VolumeGroupNotFound(BrickException):
# class VolumeGroupCreationFailed(BrickException):
# class CommandExecutionFailed(BrickException):
# class VolumeDriverException(BrickException):
# class InvalidIOHandleObject(BrickException):
# class VolumeEncryptionNotSupported(Invalid):
# class VolumeLocalCacheNotSupported(Invalid):
# class InvalidConnectorProtocol(ValueError):
# class ExceptionChainer(BrickException):
# class ExecutionTimeout(putils.ProcessExecutionError):
#     def __init__(self, message=None, **kwargs):
#     def __init__(self, *args, **kwargs):
#     def __repr__(self):
#     def __nonzero__(self) -> bool:
#     def add_exception(self, exc_type, exc_val, exc_tb) -> None:
#     def context(self,
#                 catch_exception: bool,
#                 msg: str = '',
#                 *msg_args: Iterable):
#     def __enter__(self):
#     def __exit__(self, exc_type, exc_val, exc_tb):
# 
# Path: os_brick/executor.py
# class Executor(object):
# class Thread(threading.Thread):
#     def __init__(self, root_helper, execute=None,
#                  *args, **kwargs):
#     def safe_decode(string):
#     def make_putils_error_safe(cls, exc):
#     def _execute(self, *args, **kwargs) -> Tuple[str, str]:
#     def set_execute(self, execute):
#     def set_root_helper(self, helper):
#     def __init__(self, *args, **kwargs):
#     def run(self):
# 
# Path: os_brick/privileged/rootwrap.py
# LOG = logging.getLogger(__name__)
# def custom_execute(*cmd, **kwargs):
#     def on_timeout(proc):
#     def on_execute(proc):
#     def on_completion(proc):
# def execute(*cmd, **kwargs):
# def execute_root(*cmd, **kwargs):
# def unlink_root(*links, **kwargs):
# 
# Path: os_brick/utils.py
# def _sleep(secs: float) -> None:
#     def __init__(self, codes: Union[int, Tuple[int, ...]]):
#     def _check_exit_code(self, exc: Type[Exception]) -> bool:
# def retry(retry_param: Union[None,
#                              Type[Exception],
#                              Tuple[Type[Exception], ...],
#                              int,
#                              Tuple[int, ...]],
#           interval: float = 1,
#           retries: int = 3,
#           backoff_rate: float = 2,
#           retry: Callable = tenacity.retry_if_exception_type) -> Callable:
#     def _decorator(f):
#         def _wrapper(*args, **kwargs):
# def platform_matches(current_platform: str, connector_platform: str) -> bool:
# def os_matches(current_os: str, connector_os: str) -> bool:
# def merge_dict(dict1: dict, dict2: dict) -> dict:
# def trace(f: Callable) -> Callable:
#     def trace_logging_wrapper(*args, **kwargs):
# def convert_str(text: Union[bytes, str]) -> str:
# def get_host_nqn():
# LOG = logging.getLogger(__name__)
# class retry_if_exit_code(tenacity.retry_if_exception):


import glob
import os
import re
import time
from typing import Dict, List, Optional  # noqa: H301
from oslo_concurrency import processutils as putils
from oslo_log import log as logging
from os_brick import exception
from os_brick import executor
from os_brick.privileged import rootwrap as priv_rootwrap
from os_brick import utils
    def get_sysfs_wwid(self, device_names):
        """Return the wwid from sysfs in any of devices in udev format."""
        for device_name in device_names:
            try:
                with open('/sys/block/%s/device/wwid' % device_name) as f:
                    wwid = f.read().strip()
            except IOError:
                continue
            # The sysfs wwid has the wwn type in string format as a prefix,
            # but udev uses its numerical representation as returned by
            # scsi_id's page 0x83, so we need to map it
            udev_wwid = self.WWN_TYPES.get(wwid[:4], '8') + wwid[4:]
            return udev_wwid
        return ''

    def get_scsi_wwn(self, path):
        """Read the WWN from page 0x83 value for a SCSI device."""

        (out, _err) = self._execute('/lib/udev/scsi_id', '--page', '0x83',
                                    '--whitelisted', path,
                                    run_as_root=True,
                                    root_helper=self._root_helper)
        return out.strip()

    @staticmethod
    def is_multipath_running(enforce_multipath,
                             root_helper,
                             execute=None) -> bool:
        try:
            if execute is None:

# Path: os_brick/exception.py
# LOG = logging.getLogger(__name__)
# class BrickException(Exception):
# class NotFound(BrickException):
# class Invalid(BrickException):
# class InvalidParameterValue(Invalid):
# class NoFibreChannelHostsFound(BrickException):
# class NoFibreChannelVolumeDeviceFound(BrickException):
# class VolumeNotDeactivated(BrickException):
# class VolumeDeviceNotFound(BrickException):
# class VolumePathsNotFound(BrickException):
# class VolumePathNotRemoved(BrickException):
# class ProtocolNotSupported(BrickException):
# class TargetPortalNotFound(BrickException):
# class TargetPortalsNotFound(TargetPortalNotFound):
# class FailedISCSITargetPortalLogin(BrickException):
# class BlockDeviceReadOnly(BrickException):
# class VolumeGroupNotFound(BrickException):
# class VolumeGroupCreationFailed(BrickException):
# class CommandExecutionFailed(BrickException):
# class VolumeDriverException(BrickException):
# class InvalidIOHandleObject(BrickException):
# class VolumeEncryptionNotSupported(Invalid):
# class VolumeLocalCacheNotSupported(Invalid):
# class InvalidConnectorProtocol(ValueError):
# class ExceptionChainer(BrickException):
# class ExecutionTimeout(putils.ProcessExecutionError):
#     def __init__(self, message=None, **kwargs):
#     def __init__(self, *args, **kwargs):
#     def __repr__(self):
#     def __nonzero__(self) -> bool:
#     def add_exception(self, exc_type, exc_val, exc_tb) -> None:
#     def context(self,
#                 catch_exception: bool,
#                 msg: str = '',
#                 *msg_args: Iterable):
#     def __enter__(self):
#     def __exit__(self, exc_type, exc_val, exc_tb):
# 
# Path: os_brick/executor.py
# class Executor(object):
# class Thread(threading.Thread):
#     def __init__(self, root_helper, execute=None,
#                  *args, **kwargs):
#     def safe_decode(string):
#     def make_putils_error_safe(cls, exc):
#     def _execute(self, *args, **kwargs) -> Tuple[str, str]:
#     def set_execute(self, execute):
#     def set_root_helper(self, helper):
#     def __init__(self, *args, **kwargs):
#     def run(self):
# 
# Path: os_brick/privileged/rootwrap.py
# LOG = logging.getLogger(__name__)
# def custom_execute(*cmd, **kwargs):
#     def on_timeout(proc):
#     def on_execute(proc):
#     def on_completion(proc):
# def execute(*cmd, **kwargs):
# def execute_root(*cmd, **kwargs):
# def unlink_root(*links, **kwargs):
# 
# Path: os_brick/utils.py
# def _sleep(secs: float) -> None:
#     def __init__(self, codes: Union[int, Tuple[int, ...]]):
#     def _check_exit_code(self, exc: Type[Exception]) -> bool:
# def retry(retry_param: Union[None,
#                              Type[Exception],
#                              Tuple[Type[Exception], ...],
#                              int,
#                              Tuple[int, ...]],
#           interval: float = 1,
#           retries: int = 3,
#           backoff_rate: float = 2,
#           retry: Callable = tenacity.retry_if_exception_type) -> Callable:
#     def _decorator(f):
#         def _wrapper(*args, **kwargs):
# def platform_matches(current_platform: str, connector_platform: str) -> bool:
# def os_matches(current_os: str, connector_os: str) -> bool:
# def merge_dict(dict1: dict, dict2: dict) -> dict:
# def trace(f: Callable) -> Callable:
#     def trace_logging_wrapper(*args, **kwargs):
# def convert_str(text: Union[bytes, str]) -> str:
# def get_host_nqn():
# LOG = logging.getLogger(__name__)
# class retry_if_exit_code(tenacity.retry_if_exception):


# Path: os_brick/initiator/linuxscsi.py
import glob
import os
import re
import time
from typing import Dict, List, Optional  # noqa: H301
from oslo_concurrency import processutils as putils
from oslo_log import log as logging
from os_brick import exception
from os_brick import executor
from os_brick.privileged import rootwrap as priv_rootwrap
from os_brick import utils

    def get_sysfs_wwid(self, device_names):
        """Return the wwid from sysfs in any of devices in udev format."""
        for device_name in device_names:
            try:
                with open('/sys/block/%s/device/wwid' % device_name) as f:
                    wwid = f.read().strip()
            except IOError:
                continue
            # The sysfs wwid has the wwn type in string format as a prefix,
            # but udev uses its numerical representation as returned by
            # scsi_id's page 0x83, so we need to map it
            udev_wwid = self.WWN_TYPES.get(wwid[:4], '8') + wwid[4:]
            return udev_wwid
        return ''

    def get_scsi_wwn(self, path):
        """Read the WWN from page 0x83 value for a SCSI device."""

        (out, _err) = self._execute('/lib/udev/scsi_id', '--page', '0x83',
                                    '--whitelisted', path,
                                    run_as_root=True,
                                    root_helper=self._root_helper)
        return out.strip()

    @staticmethod
    def is_multipath_running(enforce_multipath,
                             root_helper,
                             execute=None) -> bool:
        try:
            if execute is None:

                execute = priv_rootwrap.execute