|
|
#!/usr/bin/env python
|
|
|
# encoding: utf-8
|
|
|
"""
|
|
|
Facilities for launching processing asynchronously.
|
|
|
"""
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Copyright (C) 2008-2009 The IPython Development Team
|
|
|
#
|
|
|
# Distributed under the terms of the BSD License. The full license is in
|
|
|
# the file COPYING, distributed as part of this software.
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Imports
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
import os
|
|
|
import re
|
|
|
import sys
|
|
|
|
|
|
from IPython.core.component import Component
|
|
|
from IPython.external import Itpl
|
|
|
from IPython.utils.traitlets import Str, Int, List, Unicode
|
|
|
from IPython.kernel.twistedutil import gatherBoth, make_deferred, sleep_deferred
|
|
|
|
|
|
from twisted.internet import reactor, defer
|
|
|
from twisted.internet.defer import inlineCallbacks
|
|
|
from twisted.internet.protocol import ProcessProtocol
|
|
|
from twisted.internet.utils import getProcessOutput
|
|
|
from twisted.internet.error import ProcessDone, ProcessTerminated
|
|
|
from twisted.python import log
|
|
|
from twisted.python.failure import Failure
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Generic launchers
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
class LauncherError(Exception):
|
|
|
pass
|
|
|
|
|
|
|
|
|
class ProcessStateError(LauncherError):
|
|
|
pass
|
|
|
|
|
|
|
|
|
class UnknownStatus(LauncherError):
|
|
|
pass
|
|
|
|
|
|
|
|
|
class BaseLauncher(Component):
|
|
|
"""An asbtraction for starting, stopping and signaling a process."""
|
|
|
|
|
|
# A directory for files related to the process. But, we don't cd to
|
|
|
# this directory,
|
|
|
working_dir = Unicode(u'')
|
|
|
|
|
|
def __init__(self, working_dir, parent=None, name=None, config=None):
|
|
|
super(BaseLauncher, self).__init__(parent, name, config)
|
|
|
self.working_dir = working_dir
|
|
|
self.state = 'before' # can be before, running, after
|
|
|
self.stop_deferreds = []
|
|
|
self.start_data = None
|
|
|
self.stop_data = None
|
|
|
|
|
|
@property
|
|
|
def args(self):
|
|
|
"""A list of cmd and args that will be used to start the process.
|
|
|
|
|
|
This is what is passed to :func:`spawnProcess` and the first element
|
|
|
will be the process name.
|
|
|
"""
|
|
|
return self.find_args()
|
|
|
|
|
|
def find_args(self):
|
|
|
"""The ``.args`` property calls this to find the args list.
|
|
|
|
|
|
Subcommand should implement this to construct the cmd and args.
|
|
|
"""
|
|
|
raise NotImplementedError('find_args must be implemented in a subclass')
|
|
|
|
|
|
@property
|
|
|
def arg_str(self):
|
|
|
"""The string form of the program arguments."""
|
|
|
return ' '.join(self.args)
|
|
|
|
|
|
@property
|
|
|
def running(self):
|
|
|
"""Am I running."""
|
|
|
if self.state == 'running':
|
|
|
return True
|
|
|
else:
|
|
|
return False
|
|
|
|
|
|
def start(self):
|
|
|
"""Start the process.
|
|
|
|
|
|
This must return a deferred that fires with information about the
|
|
|
process starting (like a pid, job id, etc.).
|
|
|
"""
|
|
|
return defer.fail(
|
|
|
Failure(NotImplementedError(
|
|
|
'start must be implemented in a subclass')
|
|
|
)
|
|
|
)
|
|
|
|
|
|
def stop(self):
|
|
|
"""Stop the process and notify observers of stopping.
|
|
|
|
|
|
This must return a deferred that fires with information about the
|
|
|
processing stopping, like errors that occur while the process is
|
|
|
attempting to be shut down. This deferred won't fire when the process
|
|
|
actually stops. To observe the actual process stopping, see
|
|
|
:func:`observe_stop`.
|
|
|
"""
|
|
|
return defer.fail(
|
|
|
Failure(NotImplementedError(
|
|
|
'stop must be implemented in a subclass')
|
|
|
)
|
|
|
)
|
|
|
|
|
|
def observe_stop(self):
|
|
|
"""Get a deferred that will fire when the process stops.
|
|
|
|
|
|
The deferred will fire with data that contains information about
|
|
|
the exit status of the process.
|
|
|
"""
|
|
|
if self.state=='after':
|
|
|
return defer.succeed(self.stop_data)
|
|
|
else:
|
|
|
d = defer.Deferred()
|
|
|
self.stop_deferreds.append(d)
|
|
|
return d
|
|
|
|
|
|
def notify_start(self, data):
|
|
|
"""Call this to trigger startup actions.
|
|
|
|
|
|
This logs the process startup and sets the state to 'running'. It is
|
|
|
a pass-through so it can be used as a callback.
|
|
|
"""
|
|
|
|
|
|
log.msg('Process %r started: %r' % (self.args[0], data))
|
|
|
self.start_data = data
|
|
|
self.state = 'running'
|
|
|
return data
|
|
|
|
|
|
def notify_stop(self, data):
|
|
|
"""Call this to trigger process stop actions.
|
|
|
|
|
|
This logs the process stopping and sets the state to 'after'. Call
|
|
|
this to trigger all the deferreds from :func:`observe_stop`."""
|
|
|
|
|
|
log.msg('Process %r stopped: %r' % (self.args[0], data))
|
|
|
self.stop_data = data
|
|
|
self.state = 'after'
|
|
|
for i in range(len(self.stop_deferreds)):
|
|
|
d = self.stop_deferreds.pop()
|
|
|
d.callback(data)
|
|
|
return data
|
|
|
|
|
|
def signal(self, sig):
|
|
|
"""Signal the process.
|
|
|
|
|
|
Return a semi-meaningless deferred after signaling the process.
|
|
|
|
|
|
Parameters
|
|
|
----------
|
|
|
sig : str or int
|
|
|
'KILL', 'INT', etc., or any signal number
|
|
|
"""
|
|
|
return defer.fail(
|
|
|
Failure(NotImplementedError(
|
|
|
'signal must be implemented in a subclass')
|
|
|
)
|
|
|
)
|
|
|
|
|
|
|
|
|
class LocalProcessLauncherProtocol(ProcessProtocol):
|
|
|
"""A ProcessProtocol to go with the LocalProcessLauncher."""
|
|
|
|
|
|
def __init__(self, process_launcher):
|
|
|
self.process_launcher = process_launcher
|
|
|
self.pid = None
|
|
|
|
|
|
def connectionMade(self):
|
|
|
self.pid = self.transport.pid
|
|
|
self.process_launcher.notify_start(self.transport.pid)
|
|
|
|
|
|
def processEnded(self, status):
|
|
|
value = status.value
|
|
|
if isinstance(value, ProcessDone):
|
|
|
self.process_launcher.notify_stop(
|
|
|
{'exit_code':0,
|
|
|
'signal':None,
|
|
|
'status':None,
|
|
|
'pid':self.pid
|
|
|
}
|
|
|
)
|
|
|
elif isinstance(value, ProcessTerminated):
|
|
|
self.process_launcher.notify_stop(
|
|
|
{'exit_code':value.exitCode,
|
|
|
'signal':value.signal,
|
|
|
'status':value.status,
|
|
|
'pid':self.pid
|
|
|
}
|
|
|
)
|
|
|
else:
|
|
|
raise UnknownStatus("Unknown exit status, this is probably a "
|
|
|
"bug in Twisted")
|
|
|
|
|
|
def outReceived(self, data):
|
|
|
log.msg(data)
|
|
|
|
|
|
def errReceived(self, data):
|
|
|
log.err(data)
|
|
|
|
|
|
|
|
|
class LocalProcessLauncher(BaseLauncher):
|
|
|
"""Start and stop an external process in an asynchronous manner."""
|
|
|
|
|
|
# This is used to to construct self.args, which is passed to
|
|
|
# spawnProcess.
|
|
|
cmd_and_args = List([])
|
|
|
|
|
|
def __init__(self, working_dir, parent=None, name=None, config=None):
|
|
|
super(LocalProcessLauncher, self).__init__(
|
|
|
working_dir, parent, name, config
|
|
|
)
|
|
|
self.process_protocol = None
|
|
|
self.start_deferred = None
|
|
|
|
|
|
def find_args(self):
|
|
|
return self.cmd_and_args
|
|
|
|
|
|
def start(self):
|
|
|
if self.state == 'before':
|
|
|
self.process_protocol = LocalProcessLauncherProtocol(self)
|
|
|
self.start_deferred = defer.Deferred()
|
|
|
self.process_transport = reactor.spawnProcess(
|
|
|
self.process_protocol,
|
|
|
str(self.args[0]),
|
|
|
[str(a) for a in self.args],
|
|
|
env=os.environ
|
|
|
)
|
|
|
return self.start_deferred
|
|
|
else:
|
|
|
s = 'The process was already started and has state: %r' % self.state
|
|
|
return defer.fail(ProcessStateError(s))
|
|
|
|
|
|
def notify_start(self, data):
|
|
|
super(LocalProcessLauncher, self).notify_start(data)
|
|
|
self.start_deferred.callback(data)
|
|
|
|
|
|
def stop(self):
|
|
|
return self.interrupt_then_kill()
|
|
|
|
|
|
@make_deferred
|
|
|
def signal(self, sig):
|
|
|
if self.state == 'running':
|
|
|
self.process_transport.signalProcess(sig)
|
|
|
|
|
|
@inlineCallbacks
|
|
|
def interrupt_then_kill(self, delay=2.0):
|
|
|
"""Send INT, wait a delay and then send KILL."""
|
|
|
yield self.signal('INT')
|
|
|
yield sleep_deferred(delay)
|
|
|
yield self.signal('KILL')
|
|
|
|
|
|
|
|
|
class MPIExecLauncher(LocalProcessLauncher):
|
|
|
"""Launch an external process using mpiexec."""
|
|
|
|
|
|
# The mpiexec command to use in starting the process.
|
|
|
mpi_cmd = List(['mpiexec'], config=True)
|
|
|
# The command line arguments to pass to mpiexec.
|
|
|
mpi_args = List([], config=True)
|
|
|
# The program to start using mpiexec.
|
|
|
program = List(['date'], config=True)
|
|
|
# The command line argument to the program.
|
|
|
program_args = List([], config=True)
|
|
|
# The number of instances of the program to start.
|
|
|
n = Int(1, config=True)
|
|
|
|
|
|
def find_args(self):
|
|
|
"""Build self.args using all the fields."""
|
|
|
return self.mpi_cmd + ['-n', self.n] + self.mpi_args + \
|
|
|
self.program + self.program_args
|
|
|
|
|
|
def start(self, n):
|
|
|
"""Start n instances of the program using mpiexec."""
|
|
|
self.n = n
|
|
|
return super(MPIExecLauncher, self).start()
|
|
|
|
|
|
|
|
|
class SSHLauncher(BaseLauncher):
|
|
|
"""A minimal launcher for ssh.
|
|
|
|
|
|
To be useful this will probably have to be extended to use the ``sshx``
|
|
|
idea for environment variables. There could be other things this needs
|
|
|
as well.
|
|
|
"""
|
|
|
|
|
|
ssh_cmd = List(['ssh'], config=True)
|
|
|
ssh_args = List([], config=True)
|
|
|
program = List(['date'], config=True)
|
|
|
program_args = List([], config=True)
|
|
|
hostname = Str('', config=True)
|
|
|
user = Str('', config=True)
|
|
|
location = Str('')
|
|
|
|
|
|
def _hostname_changed(self, name, old, new):
|
|
|
self.location = '%s@%s' % (self.user, new)
|
|
|
|
|
|
def _user_changed(self, name, old, new):
|
|
|
self.location = '%s@%s' % (new, self.hostname)
|
|
|
|
|
|
def find_args(self):
|
|
|
return self.ssh_cmd + self.ssh_args + [self.location] + \
|
|
|
self.program + self.program_args
|
|
|
|
|
|
def start(self, n, hostname=None, user=None):
|
|
|
if hostname is not None:
|
|
|
self.hostname = hostname
|
|
|
if user is not None:
|
|
|
self.user = user
|
|
|
return super(SSHLauncher, self).start()
|
|
|
|
|
|
|
|
|
class WindowsHPCLauncher(BaseLauncher):
|
|
|
pass
|
|
|
|
|
|
|
|
|
class BatchSystemLauncher(BaseLauncher):
|
|
|
"""Launch an external process using a batch system.
|
|
|
|
|
|
This class is designed to work with UNIX batch systems like PBS, LSF,
|
|
|
GridEngine, etc. The overall model is that there are different commands
|
|
|
like qsub, qdel, etc. that handle the starting and stopping of the process.
|
|
|
|
|
|
This class also has the notion of a batch script. The ``batch_template``
|
|
|
attribute can be set to a string that is a template for the batch script.
|
|
|
This template is instantiated using Itpl. Thus the template can use
|
|
|
${n} fot the number of instances. Subclasses can add additional variables
|
|
|
to the template dict.
|
|
|
"""
|
|
|
|
|
|
# Subclasses must fill these in. See PBSEngineSet
|
|
|
# The name of the command line program used to submit jobs.
|
|
|
submit_command = Str('', config=True)
|
|
|
# The name of the command line program used to delete jobs.
|
|
|
delete_command = Str('', config=True)
|
|
|
# A regular expression used to get the job id from the output of the
|
|
|
# submit_command.
|
|
|
job_id_regexp = Str('', config=True)
|
|
|
# The string that is the batch script template itself.
|
|
|
batch_template = Str('', config=True)
|
|
|
# The filename of the instantiated batch script.
|
|
|
batch_file_name = Unicode(u'batch_script', config=True)
|
|
|
# The full path to the instantiated batch script.
|
|
|
batch_file = Unicode(u'')
|
|
|
|
|
|
def __init__(self, working_dir, parent=None, name=None, config=None):
|
|
|
super(BatchSystemLauncher, self).__init__(
|
|
|
working_dir, parent, name, config
|
|
|
)
|
|
|
self.batch_file = os.path.join(self.working_dir, self.batch_file_name)
|
|
|
self.context = {}
|
|
|
|
|
|
def parse_job_id(self, output):
|
|
|
"""Take the output of the submit command and return the job id."""
|
|
|
m = re.match(self.job_id_regexp, output)
|
|
|
if m is not None:
|
|
|
job_id = m.group()
|
|
|
else:
|
|
|
raise LauncherError("Job id couldn't be determined: %s" % output)
|
|
|
self.job_id = job_id
|
|
|
log.msg('Job started with job id: %r' % job_id)
|
|
|
return job_id
|
|
|
|
|
|
def write_batch_script(self, n):
|
|
|
"""Instantiate and write the batch script to the working_dir."""
|
|
|
self.context['n'] = n
|
|
|
script_as_string = Itpl.itplns(self.batch_template, self.context)
|
|
|
log.msg('Writing instantiated batch script: %s' % self.batch_file)
|
|
|
f = open(self.batch_file, 'w')
|
|
|
f.write(script_as_string)
|
|
|
f.close()
|
|
|
|
|
|
@inlineCallbacks
|
|
|
def start(self, n):
|
|
|
"""Start n copies of the process using a batch system."""
|
|
|
self.write_batch_script(n)
|
|
|
output = yield getProcessOutput(self.submit_command,
|
|
|
[self.batch_file], env=os.environ)
|
|
|
job_id = self.parse_job_id(output)
|
|
|
self.notify_start(job_id)
|
|
|
defer.returnValue(job_id)
|
|
|
|
|
|
@inlineCallbacks
|
|
|
def stop(self):
|
|
|
output = yield getProcessOutput(self.delete_command,
|
|
|
[self.job_id], env=os.environ
|
|
|
)
|
|
|
self.notify_stop(output) # Pass the output of the kill cmd
|
|
|
defer.returnValue(output)
|
|
|
|
|
|
|
|
|
class PBSLauncher(BatchSystemLauncher):
|
|
|
"""A BatchSystemLauncher subclass for PBS."""
|
|
|
|
|
|
submit_command = Str('qsub', config=True)
|
|
|
delete_command = Str('qdel', config=True)
|
|
|
job_id_regexp = Str('\d+', config=True)
|
|
|
batch_template = Str('', config=True)
|
|
|
batch_file_name = Unicode(u'pbs_batch_script', config=True)
|
|
|
batch_file = Unicode(u'')
|
|
|
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Controller launchers
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
def find_controller_cmd():
|
|
|
"""Find the command line ipcontroller program in a cross platform way."""
|
|
|
if sys.platform == 'win32':
|
|
|
# This logic is needed because the ipcontroller script doesn't
|
|
|
# always get installed in the same way or in the same location.
|
|
|
from IPython.kernel import ipcontrollerapp
|
|
|
script_location = ipcontrollerapp.__file__.replace('.pyc', '.py')
|
|
|
# The -u option here turns on unbuffered output, which is required
|
|
|
# on Win32 to prevent wierd conflict and problems with Twisted.
|
|
|
# Also, use sys.executable to make sure we are picking up the
|
|
|
# right python exe.
|
|
|
cmd = [sys.executable, '-u', script_location]
|
|
|
else:
|
|
|
# ipcontroller has to be on the PATH in this case.
|
|
|
cmd = ['ipcontroller']
|
|
|
return cmd
|
|
|
|
|
|
|
|
|
class LocalControllerLauncher(LocalProcessLauncher):
|
|
|
"""Launch a controller as a regular external process."""
|
|
|
|
|
|
controller_cmd = List(find_controller_cmd())
|
|
|
# Command line arguments to ipcontroller.
|
|
|
controller_args = List(['--log-to-file','--log-level', '40'], config=True)
|
|
|
|
|
|
def find_args(self):
|
|
|
return self.controller_cmd + self.controller_args
|
|
|
|
|
|
def start(self, profile=None, cluster_dir=None):
|
|
|
"""Start the controller by profile or cluster_dir."""
|
|
|
if cluster_dir is not None:
|
|
|
self.controller_args.extend(['--cluster-dir', cluster_dir])
|
|
|
if profile is not None:
|
|
|
self.controller_args.extend(['--profile', profile])
|
|
|
log.msg("Starting LocalControllerLauncher: %r" % self.args)
|
|
|
return super(LocalControllerLauncher, self).start()
|
|
|
|
|
|
|
|
|
class WindowsHPCControllerLauncher(WindowsHPCLauncher):
|
|
|
pass
|
|
|
|
|
|
|
|
|
class MPIExecControllerLauncher(MPIExecLauncher):
|
|
|
"""Launch a controller using mpiexec."""
|
|
|
|
|
|
controller_cmd = List(find_controller_cmd(), config=False)
|
|
|
# Command line arguments to ipcontroller.
|
|
|
controller_args = List(['--log-to-file','--log-level', '40'], config=True)
|
|
|
n = Int(1, config=False)
|
|
|
|
|
|
def start(self, profile=None, cluster_dir=None):
|
|
|
"""Start the controller by profile or cluster_dir."""
|
|
|
if cluster_dir is not None:
|
|
|
self.controller_args.extend(['--cluster-dir', cluster_dir])
|
|
|
if profile is not None:
|
|
|
self.controller_args.extend(['--profile', profile])
|
|
|
log.msg("Starting MPIExecControllerLauncher: %r" % self.args)
|
|
|
return super(MPIExecControllerLauncher, self).start(1)
|
|
|
|
|
|
def find_args(self):
|
|
|
return self.mpi_cmd + ['-n', self.n] + self.mpi_args + \
|
|
|
self.controller_cmd + self.controller_args
|
|
|
|
|
|
|
|
|
class PBSControllerLauncher(PBSLauncher):
|
|
|
"""Launch a controller using PBS."""
|
|
|
|
|
|
batch_file_name = Unicode(u'pbs_batch_script_controller', config=True)
|
|
|
|
|
|
def start(self, profile=None, cluster_dir=None):
|
|
|
"""Start the controller by profile or cluster_dir."""
|
|
|
# Here we save profile and cluster_dir in the context so they
|
|
|
# can be used in the batch script template as ${profile} and
|
|
|
# ${cluster_dir}
|
|
|
if cluster_dir is not None:
|
|
|
self.context['cluster_dir'] = cluster_dir
|
|
|
if profile is not None:
|
|
|
self.context['profile'] = profile
|
|
|
log.msg("Starting PBSControllerLauncher: %r" % self.args)
|
|
|
return super(PBSControllerLauncher, self).start(1)
|
|
|
|
|
|
|
|
|
class SSHControllerLauncher(SSHLauncher):
|
|
|
pass
|
|
|
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Engine launchers
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
def find_engine_cmd():
|
|
|
"""Find the command line ipengine program in a cross platform way."""
|
|
|
if sys.platform == 'win32':
|
|
|
# This logic is needed because the ipengine script doesn't
|
|
|
# always get installed in the same way or in the same location.
|
|
|
from IPython.kernel import ipengineapp
|
|
|
script_location = ipengineapp.__file__.replace('.pyc', '.py')
|
|
|
# The -u option here turns on unbuffered output, which is required
|
|
|
# on Win32 to prevent wierd conflict and problems with Twisted.
|
|
|
# Also, use sys.executable to make sure we are picking up the
|
|
|
# right python exe.
|
|
|
cmd = [sys.executable, '-u', script_location]
|
|
|
else:
|
|
|
# ipcontroller has to be on the PATH in this case.
|
|
|
cmd = ['ipengine']
|
|
|
return cmd
|
|
|
|
|
|
|
|
|
class LocalEngineLauncher(LocalProcessLauncher):
|
|
|
"""Launch a single engine as a regular externall process."""
|
|
|
|
|
|
engine_cmd = List(find_engine_cmd())
|
|
|
# Command line arguments for ipengine.
|
|
|
engine_args = List(
|
|
|
['--log-to-file','--log-level', '40'], config=True
|
|
|
)
|
|
|
|
|
|
def find_args(self):
|
|
|
return self.engine_cmd + self.engine_args
|
|
|
|
|
|
def start(self, profile=None, cluster_dir=None):
|
|
|
"""Start the engine by profile or cluster_dir."""
|
|
|
if cluster_dir is not None:
|
|
|
self.engine_args.extend(['--cluster-dir', cluster_dir])
|
|
|
if profile is not None:
|
|
|
self.engine_args.extend(['--profile', profile])
|
|
|
return super(LocalEngineLauncher, self).start()
|
|
|
|
|
|
|
|
|
class LocalEngineSetLauncher(BaseLauncher):
|
|
|
"""Launch a set of engines as regular external processes."""
|
|
|
|
|
|
# Command line arguments for ipengine.
|
|
|
engine_args = List(
|
|
|
['--log-to-file','--log-level', '40'], config=True
|
|
|
)
|
|
|
|
|
|
def __init__(self, working_dir, parent=None, name=None, config=None):
|
|
|
super(LocalEngineSetLauncher, self).__init__(
|
|
|
working_dir, parent, name, config
|
|
|
)
|
|
|
self.launchers = []
|
|
|
|
|
|
def start(self, n, profile=None, cluster_dir=None):
|
|
|
"""Start n engines by profile or cluster_dir."""
|
|
|
dlist = []
|
|
|
for i in range(n):
|
|
|
el = LocalEngineLauncher(self.working_dir, self)
|
|
|
# Copy the engine args over to each engine launcher.
|
|
|
import copy
|
|
|
el.engine_args = copy.deepcopy(self.engine_args)
|
|
|
d = el.start(profile, cluster_dir)
|
|
|
if i==0:
|
|
|
log.msg("Starting LocalEngineSetLauncher: %r" % el.args)
|
|
|
self.launchers.append(el)
|
|
|
dlist.append(d)
|
|
|
# The consumeErrors here could be dangerous
|
|
|
dfinal = gatherBoth(dlist, consumeErrors=True)
|
|
|
dfinal.addCallback(self.notify_start)
|
|
|
return dfinal
|
|
|
|
|
|
def find_args(self):
|
|
|
return ['engine set']
|
|
|
|
|
|
def signal(self, sig):
|
|
|
dlist = []
|
|
|
for el in self.launchers:
|
|
|
d = el.signal(sig)
|
|
|
dlist.append(d)
|
|
|
dfinal = gatherBoth(dlist, consumeErrors=True)
|
|
|
return dfinal
|
|
|
|
|
|
def interrupt_then_kill(self, delay=1.0):
|
|
|
dlist = []
|
|
|
for el in self.launchers:
|
|
|
d = el.interrupt_then_kill(delay)
|
|
|
dlist.append(d)
|
|
|
dfinal = gatherBoth(dlist, consumeErrors=True)
|
|
|
return dfinal
|
|
|
|
|
|
def stop(self):
|
|
|
return self.interrupt_then_kill()
|
|
|
|
|
|
def observe_stop(self):
|
|
|
dlist = [el.observe_stop() for el in self.launchers]
|
|
|
dfinal = gatherBoth(dlist, consumeErrors=False)
|
|
|
dfinal.addCallback(self.notify_stop)
|
|
|
return dfinal
|
|
|
|
|
|
|
|
|
class MPIExecEngineSetLauncher(MPIExecLauncher):
|
|
|
|
|
|
engine_cmd = List(find_engine_cmd(), config=False)
|
|
|
# Command line arguments for ipengine.
|
|
|
engine_args = List(
|
|
|
['--log-to-file','--log-level', '40'], config=True
|
|
|
)
|
|
|
n = Int(1, config=True)
|
|
|
|
|
|
def start(self, n, profile=None, cluster_dir=None):
|
|
|
"""Start n engines by profile or cluster_dir."""
|
|
|
if cluster_dir is not None:
|
|
|
self.engine_args.extend(['--cluster-dir', cluster_dir])
|
|
|
if profile is not None:
|
|
|
self.engine_args.extend(['--profile', profile])
|
|
|
log.msg('Starting MPIExecEngineSetLauncher: %r' % self.args)
|
|
|
return super(MPIExecEngineSetLauncher, self).start(n)
|
|
|
|
|
|
def find_args(self):
|
|
|
return self.mpi_cmd + ['-n', self.n] + self.mpi_args + \
|
|
|
self.engine_cmd + self.engine_args
|
|
|
|
|
|
|
|
|
class WindowsHPCEngineSetLauncher(WindowsHPCLauncher):
|
|
|
pass
|
|
|
|
|
|
|
|
|
class PBSEngineSetLauncher(PBSLauncher):
|
|
|
|
|
|
batch_file_name = Unicode(u'pbs_batch_script_engines', config=True)
|
|
|
|
|
|
def start(self, n, profile=None, cluster_dir=None):
|
|
|
"""Start n engines by profile or cluster_dir."""
|
|
|
if cluster_dir is not None:
|
|
|
self.program_args.extend(['--cluster-dir', cluster_dir])
|
|
|
if profile is not None:
|
|
|
self.program_args.extend(['-p', profile])
|
|
|
log.msg('Starting PBSEngineSetLauncher: %r' % self.args)
|
|
|
return super(PBSEngineSetLauncher, self).start(n)
|
|
|
|
|
|
|
|
|
class SSHEngineSetLauncher(BaseLauncher):
|
|
|
pass
|
|
|
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# A launcher for ipcluster itself!
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
def find_ipcluster_cmd():
|
|
|
"""Find the command line ipcluster program in a cross platform way."""
|
|
|
if sys.platform == 'win32':
|
|
|
# This logic is needed because the ipcluster script doesn't
|
|
|
# always get installed in the same way or in the same location.
|
|
|
from IPython.kernel import ipclusterapp
|
|
|
script_location = ipclusterapp.__file__.replace('.pyc', '.py')
|
|
|
# The -u option here turns on unbuffered output, which is required
|
|
|
# on Win32 to prevent wierd conflict and problems with Twisted.
|
|
|
# Also, use sys.executable to make sure we are picking up the
|
|
|
# right python exe.
|
|
|
cmd = [sys.executable, '-u', script_location]
|
|
|
else:
|
|
|
# ipcontroller has to be on the PATH in this case.
|
|
|
cmd = ['ipcluster']
|
|
|
return cmd
|
|
|
|
|
|
|
|
|
class IPClusterLauncher(LocalProcessLauncher):
|
|
|
"""Launch the ipcluster program in an external process."""
|
|
|
|
|
|
ipcluster_cmd = List(find_ipcluster_cmd())
|
|
|
# Command line arguments to pass to ipcluster.
|
|
|
ipcluster_args = List(
|
|
|
['--clean-logs', '--log-to-file', '--log-level', '40'], config=True)
|
|
|
ipcluster_subcommand = Str('start')
|
|
|
ipcluster_n = Int(2)
|
|
|
|
|
|
def find_args(self):
|
|
|
return self.ipcluster_cmd + [self.ipcluster_subcommand] + \
|
|
|
['-n', repr(self.ipcluster_n)] + self.ipcluster_args
|
|
|
|
|
|
def start(self):
|
|
|
log.msg("Starting ipcluster: %r" % self.args)
|
|
|
return super(IPClusterLauncher, self).start()
|
|
|
|
|
|
|
