<commit_before>import logging
import sys
from typing import List
import warnings
import weakref

import dask

from .spec import SpecCluster, ProcessInterface
from ..utils import cli_keywords
from ..scheduler import Scheduler as _Scheduler
from ..worker import Worker as _Worker
from ..utils import serialize_for_cli

logger = logging.getLogger(__name__)


class Process(ProcessInterface):
    """ A superclass for SSH Workers and Nannies

    See Also
    --------
    Worker
    Scheduler
    """

    def __init__(self, **kwargs):
        self.connection = None
        self.proc = None
        super().__init__(**kwargs)

    async def start(self):
        assert self.connection
        weakref.finalize(
            self, self.proc.kill
        )  # https://github.com/ronf/asyncssh/issues/112
        await super().start()

    async def close(self):
        self.proc.kill()  # https://github.com/ronf/asyncssh/issues/112
        self.connection.close()
        await super().close()

    def __repr__(self):
        return "<SSH %s: status=%s>" % (type(self).__name__, self.status)


class Worker(Process):
    """ A Remote Dask Worker controled by SSH

    Parameters
    ----------
    scheduler: str
        The address of the scheduler
    address: str
        The hostname where we should run this worker
    worker_module: str
        The python module to run to start the worker.
    connect_options: dict
        kwargs to be passed to asyncssh connections
    kwargs: dict
        These will be passed through the dask-worker CLI to the
        dask.distributed.Worker class
    """

    def __init__(
        self,
        scheduler: str,
        address: str,
        connect_options: dict,
        kwargs: dict,
        worker_module="distributed.cli.dask_worker",
        loop=None,
        name=None,
    ):
        super().__init__()

        self.address = address
        self.scheduler = scheduler
        self.worker_module = worker_module
        self.connect_options = connect_options
        self.kwargs = kwargs
        self.name = name

    async def start(self):
        import asyncssh  # import now to avoid adding to module startup time

        self.connection = await asyncssh.connect(self.address, **self.connect_options)
        self.proc = await self.connection.create_process(
            " ".join(
                [
                    'DASK_INTERNAL_INHERIT_CONFIG="%s"'
                    % serialize_for_cli(dask.config.global_config),
                    sys.executable,
                    "-m",
                    self.worker_module,
                    self.scheduler,
                    "--name",
                    str(self.name),
                ]
                + cli_keywords(self.kwargs, cls=_Worker, cmd=self.worker_module)
            )
        )

        # We watch stderr in order to get the address, then we return
        while True:
            line = await self.proc.stderr.readline()
            if not line.strip():
                raise Exception("Worker failed to start")
            logger.info(line.strip())
            if "worker at" in line:
                self.address = line.split("worker at:")[1].strip()
                self.status = "running"
                break
        logger.debug("%s", line)
        await super().start()


class Scheduler(Process):
    """ A Remote Dask Scheduler controlled by SSH

    Parameters
    ----------
    address: str
        The hostname where we should run this worker
    connect_options: dict
        kwargs to be passed to asyncssh connections
    kwargs: dict
        These will be passed through the dask-scheduler CLI to the
        dask.distributed.Scheduler class
    """

    def __init__(self, address: str, connect_options: dict, kwargs: dict):
        super().__init__()

        self.address = address
        self.kwargs = kwargs
        self.connect_options = connect_options

    async def start(self):
        import asyncssh  # import now to avoid adding to module startup time

        logger.debug("Created Scheduler Connection")

        self.connection = await asyncssh.connect(self.address, **self.connect_options)

        self.proc = await self.connection.create_process(
            " ".join(
                [
                    'DASK_INTERNAL_INHERIT_CONFIG="%s"'
                    % serialize_for_cli(dask.config.global_config),
                    sys.executable,
                    "-m",
                    "distributed.cli.dask_scheduler",
                ]
                + cli_keywords(self.kwargs, cls=_Scheduler)
            )
        )

        # We watch stderr in order to get the address, then we return
        while True:
            line = await self.proc.stderr.readline()
            if not line.strip():
                raise Exception("Worker failed to start")
            logger.info(line.strip())
            if "Scheduler at" in line:
                self.address = line.split("Scheduler at:")[1].strip()
                break
        logger.debug("%s", line)
        await super().start()


old_cluster_kwargs = {
    "scheduler_addr",
    "scheduler_port",
    "worker_addrs",
    "nthreads",
    "nprocs",
    "ssh_username",
    "ssh_port",
    "ssh_private_key",<commit_msg>Fix propagating inherit config in SSHCluster for non-bash shells (#3688)<commit_after>import logging
import sys
from typing import List
import warnings
import weakref

import dask

from .spec import SpecCluster, ProcessInterface
from ..utils import cli_keywords
from ..scheduler import Scheduler as _Scheduler
from ..worker import Worker as _Worker
from ..utils import serialize_for_cli

logger = logging.getLogger(__name__)


class Process(ProcessInterface):
    """ A superclass for SSH Workers and Nannies

    See Also
    --------
    Worker
    Scheduler
    """

    def __init__(self, **kwargs):
        self.connection = None
        self.proc = None
        super().__init__(**kwargs)

    async def start(self):
        assert self.connection
        weakref.finalize(
            self, self.proc.kill
        )  # https://github.com/ronf/asyncssh/issues/112
        await super().start()

    async def close(self):
        self.proc.kill()  # https://github.com/ronf/asyncssh/issues/112
        self.connection.close()
        await super().close()

    def __repr__(self):
        return "<SSH %s: status=%s>" % (type(self).__name__, self.status)


class Worker(Process):
    """ A Remote Dask Worker controled by SSH

    Parameters
    ----------
    scheduler: str
        The address of the scheduler
    address: str
        The hostname where we should run this worker
    worker_module: str
        The python module to run to start the worker.
    connect_options: dict
        kwargs to be passed to asyncssh connections
    kwargs: dict
        These will be passed through the dask-worker CLI to the
        dask.distributed.Worker class
    """

    def __init__(
        self,
        scheduler: str,
        address: str,
        connect_options: dict,
        kwargs: dict,
        worker_module="distributed.cli.dask_worker",
        loop=None,
        name=None,
    ):
        super().__init__()

        self.address = address
        self.scheduler = scheduler
        self.worker_module = worker_module
        self.connect_options = connect_options
        self.kwargs = kwargs
        self.name = name

    async def start(self):
        import asyncssh  # import now to avoid adding to module startup time

        self.connection = await asyncssh.connect(self.address, **self.connect_options)

        result = await self.connection.run("uname")
        if result.exit_status == 0:
            set_env = 'env DASK_INTERNAL_INHERIT_CONFIG="{}"'.format(
                serialize_for_cli(dask.config.global_config)
            )
        else:
            result = await self.connection.run("cmd /c ver")
            if result.exit_status == 0:
                set_env = "set DASK_INTERNAL_INHERIT_CONFIG={} &&".format(
                    serialize_for_cli(dask.config.global_config)
                )
            else:
                raise Exception(
                    "Worker failed to set DASK_INTERNAL_INHERIT_CONFIG variable "
                )

        cmd = " ".join(
            [
                set_env,
                sys.executable,
                "-m",
                self.worker_module,
                self.scheduler,
                "--name",
                str(self.name),
            ]
            + cli_keywords(self.kwargs, cls=_Worker, cmd=self.worker_module)
        )

        self.proc = await self.connection.create_process(cmd)

        # We watch stderr in order to get the address, then we return
        while True:
            line = await self.proc.stderr.readline()
            if not line.strip():
                raise Exception("Worker failed to start")
            logger.info(line.strip())
            if "worker at" in line:
                self.address = line.split("worker at:")[1].strip()
                self.status = "running"
                break
        logger.debug("%s", line)
        await super().start()


class Scheduler(Process):
    """ A Remote Dask Scheduler controlled by SSH

    Parameters
    ----------
    address: str
        The hostname where we should run this worker
    connect_options: dict
        kwargs to be passed to asyncssh connections
    kwargs: dict
        These will be passed through the dask-scheduler CLI to the
        dask.distributed.Scheduler class
    """

    def __init__(self, address: str, connect_options: dict, kwargs: dict):
        super().__init__()

        self.address = address
        self.kwargs = kwargs
        self.connect_options = connect_options

    async def start(self):
        import asyncssh  # import now to avoid adding to module startup time

        logger.debug("Created Scheduler Connection")

        self.connection = await asyncssh.connect(self.address, **self.connect_options)

        result = await self.connection.run("uname")
        if result.exit_status == 0:
            set_env = 'env DASK_INTERNAL_INHERIT_CONFIG="{}"'.format(
                serialize_for_cli(dask.config.global_config)
            )
        else:
            result = await self.connection.run("cmd /c ver")
            if result.exit_status == 0:
                set_env = "set DASK_INTERNAL_INHERIT_CONFIG={} &&".format(
                    serialize_for_cli(dask.config.global_config)
                )
            else:
                raise Exception(
                    "Scheduler failed to set DASK_INTERNAL_INHERIT_CONFIG variable "
                )

        cmd = " ".join(
            [set_env, sys.executable, "-m", "distributed.cli.dask_scheduler",]
            + cli_keywords(self.kwargs, cls=_Scheduler)
        )
        self.proc = await self.connection.create_process(cmd)

        # We watch stderr in order to get the address, then we return
        while True:
            line = await self.proc.stderr.readline()
            if not line.strip():
                raise Exception("Worker failed to start")
            logger.info(line.strip())
            if "Scheduler at" in line:
                self.address = line.split("Scheduler at:")[1].strip()
                break
        logger.debug("%s", line)
        await super().start()


old_cluster_kwargs = {
    "scheduler_addr",
    "scheduler_port",
    "worker_addrs",
    "nthreads",
    "nprocs",
    "ssh_username",
    "ssh_port",
    "ssh_private_key",
{'fraction_non_alphanumeric': 0.09393414211438475, 'fraction_numerical': 0.0020797227036395147, 'mean_word_length': 1.865905140302955, 'pattern_counts': {'":': 0, '<': 5, '<?xml version=': 0, '>': 5, 'https://': 4, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
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