# 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 math
import os
import re
from oslo_concurrency import processutils as putils
from oslo_log import log as logging
from oslo_utils import excutils
from os_brick import exception
from os_brick import executor
from os_brick.privileged import rootwrap as priv_rootwrap
from os_brick import utils
                        raise

            self.vg_thin_pool = pool_name
            self.activate_lv(self.vg_thin_pool)
        self.pv_list = self.get_all_physical_volumes(root_helper, vg_name)

    def _vg_exists(self):
        """Simple check to see if VG exists.

        :returns: True if vg specified in object exists, else False

        """
        exists = False
        cmd = LVM.LVM_CMD_PREFIX + ['vgs', '--noheadings',
                                    '-o', 'name', self.vg_name]
        (out, _err) = self._execute(*cmd,
                                    root_helper=self._root_helper,
                                    run_as_root=True)

        if out is not None:
            volume_groups = out.split()
            if self.vg_name in volume_groups:
                exists = True

        return exists

    def _create_vg(self, pv_list):
        cmd = ['vgcreate', self.vg_name, ','.join(pv_list)]
        self._execute(*cmd, root_helper=self._root_helper, run_as_root=True)


# 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/local_dev/lvm.py
import math
import os
import re
from oslo_concurrency import processutils as putils
from oslo_log import log as logging
from oslo_utils import excutils
from os_brick import exception
from os_brick import executor
from os_brick.privileged import rootwrap as priv_rootwrap
from os_brick import utils

                        raise

            self.vg_thin_pool = pool_name
            self.activate_lv(self.vg_thin_pool)
        self.pv_list = self.get_all_physical_volumes(root_helper, vg_name)

    def _vg_exists(self):
        """Simple check to see if VG exists.

        :returns: True if vg specified in object exists, else False

        """
        exists = False
        cmd = LVM.LVM_CMD_PREFIX + ['vgs', '--noheadings',
                                    '-o', 'name', self.vg_name]
        (out, _err) = self._execute(*cmd,
                                    root_helper=self._root_helper,
                                    run_as_root=True)

        if out is not None:
            volume_groups = out.split()
            if self.vg_name in volume_groups:
                exists = True

        return exists

    def _create_vg(self, pv_list):
        cmd = ['vgcreate', self.vg_name, ','.join(pv_list)]
        self._execute(*cmd, root_helper=self._root_helper, run_as_root=True)


    @utils.retry(retry=utils.retry_if_exit_code, retry_param=139, interval=0.5,