# 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

            if out is not None:
                out = out.strip()
                data = out.split(':')
                pool_size = float(data[0])
                data_percent = float(data[1])
                consumed_space = pool_size / 100 * data_percent
                free_space = pool_size - consumed_space
                free_space = round(free_space, 2)
        # Need noqa due to a false error about the 'err' variable being unused
        # even though it is used in the logging. Possibly related to
        # https://github.com/PyCQA/pyflakes/issues/378.
        except putils.ProcessExecutionError as err:  # noqa
            LOG.exception('Error querying thin pool about data_percent')
            LOG.error('Cmd     :%s', err.cmd)
            LOG.error('StdOut  :%s', err.stdout)
            LOG.error('StdErr  :%s', err.stderr)

        return free_space

    @staticmethod
    def get_lvm_version(root_helper):
        """Static method to get LVM version from system.

        :param root_helper: root_helper to use for execute
        :returns: version 3-tuple

        """

        cmd = LVM.LVM_CMD_PREFIX + ['vgs', '--version']

# 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


            if out is not None:
                out = out.strip()
                data = out.split(':')
                pool_size = float(data[0])
                data_percent = float(data[1])
                consumed_space = pool_size / 100 * data_percent
                free_space = pool_size - consumed_space
                free_space = round(free_space, 2)
        # Need noqa due to a false error about the 'err' variable being unused
        # even though it is used in the logging. Possibly related to
        # https://github.com/PyCQA/pyflakes/issues/378.
        except putils.ProcessExecutionError as err:  # noqa
            LOG.exception('Error querying thin pool about data_percent')
            LOG.error('Cmd     :%s', err.cmd)
            LOG.error('StdOut  :%s', err.stdout)
            LOG.error('StdErr  :%s', err.stderr)

        return free_space

    @staticmethod
    def get_lvm_version(root_helper):
        """Static method to get LVM version from system.

        :param root_helper: root_helper to use for execute
        :returns: version 3-tuple

        """

        cmd = LVM.LVM_CMD_PREFIX + ['vgs', '--version']

        (out, _err) = priv_rootwrap.execute(*cmd,