# 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/i18n.py
# DOMAIN = 'os-brick'
# 
# Path: os_brick/initiator/connectors/base.py
# LOG = logging.getLogger(__name__)
# class BaseLinuxConnector(initiator_connector.InitiatorConnector):
#     def __init__(self, root_helper: str, driver=None, execute=None,
#                  *args, **kwargs):
#     def get_connector_properties(root_helper: str, *args, **kwargs) -> dict:
#     def check_valid_device(self, path: str, run_as_root: bool = True) -> bool:
#     def get_all_available_volumes(self, connection_properties=None):
#     def _discover_mpath_device(self,
#                                device_wwn: str,
#                                connection_properties: dict,
#                                device_name: str) -> tuple:
# 
# 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 errno
import glob
import json
import os.path
import re
import time
from oslo_concurrency import lockutils
from oslo_concurrency import processutils as putils
from oslo_log import log as logging
from os_brick import exception
from os_brick.i18n import _
from os_brick.initiator.connectors import base
    from os_brick.initiator.connectors import nvmeof_agent
from os_brick.privileged import rootwrap as priv_rootwrap
from os_brick import utils
            root_helper,
            driver=driver,
            device_scan_attempts=device_scan_attempts,
            *args, **kwargs)
        self.use_multipath = use_multipath

    @staticmethod
    def get_search_path():
        return DEV_SEARCH_PATH

    def get_volume_paths(self, connection_properties):
        device_path = connection_properties.get('device_path')
        if device_path:
            return [device_path]
        volume_replicas = connection_properties.get('volume_replicas')
        if not volume_replicas:  # compatibility
            return []
        replica_count = connection_properties.get('replica_count')

        try:
            if volume_replicas and replica_count > 1:
                return ['/dev/md/' + connection_properties.get('alias')]
            if volume_replicas and replica_count == 1:
                return [NVMeOFConnector.get_nvme_device_path(
                    self, volume_replicas[0]['target_nqn'],
                    volume_replicas[0]['vol_uuid'])]
            else:
                return [NVMeOFConnector.get_nvme_device_path(
                    self, connection_properties.get('target_nqn'),
                    connection_properties.get('vol_uuid'))]

# 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/i18n.py
# DOMAIN = 'os-brick'
# 
# Path: os_brick/initiator/connectors/base.py
# LOG = logging.getLogger(__name__)
# class BaseLinuxConnector(initiator_connector.InitiatorConnector):
#     def __init__(self, root_helper: str, driver=None, execute=None,
#                  *args, **kwargs):
#     def get_connector_properties(root_helper: str, *args, **kwargs) -> dict:
#     def check_valid_device(self, path: str, run_as_root: bool = True) -> bool:
#     def get_all_available_volumes(self, connection_properties=None):
#     def _discover_mpath_device(self,
#                                device_wwn: str,
#                                connection_properties: dict,
#                                device_name: str) -> tuple:
# 
# 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/connectors/nvmeof.py
import errno
import glob
import json
import os.path
import re
import time
from oslo_concurrency import lockutils
from oslo_concurrency import processutils as putils
from oslo_log import log as logging
from os_brick import exception
from os_brick.i18n import _
from os_brick.initiator.connectors import base
    from os_brick.initiator.connectors import nvmeof_agent
from os_brick.privileged import rootwrap as priv_rootwrap
from os_brick import utils

            root_helper,
            driver=driver,
            device_scan_attempts=device_scan_attempts,
            *args, **kwargs)
        self.use_multipath = use_multipath

    @staticmethod
    def get_search_path():
        return DEV_SEARCH_PATH

    def get_volume_paths(self, connection_properties):
        device_path = connection_properties.get('device_path')
        if device_path:
            return [device_path]
        volume_replicas = connection_properties.get('volume_replicas')
        if not volume_replicas:  # compatibility
            return []
        replica_count = connection_properties.get('replica_count')

        try:
            if volume_replicas and replica_count > 1:
                return ['/dev/md/' + connection_properties.get('alias')]
            if volume_replicas and replica_count == 1:
                return [NVMeOFConnector.get_nvme_device_path(
                    self, volume_replicas[0]['target_nqn'],
                    volume_replicas[0]['vol_uuid'])]
            else:
                return [NVMeOFConnector.get_nvme_device_path(
                    self, connection_properties.get('target_nqn'),
                    connection_properties.get('vol_uuid'))]

        except exception.VolumeDeviceNotFound: