|
|
#!/usr/bin/env python
|
|
|
# encoding: utf-8
|
|
|
|
|
|
"""The IPython controller."""
|
|
|
|
|
|
__docformat__ = "restructuredtext en"
|
|
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
# Copyright (C) 2008 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
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
|
|
# Python looks for an empty string at the beginning of sys.path to enable
|
|
|
# importing from the cwd.
|
|
|
import sys
|
|
|
sys.path.insert(0, '')
|
|
|
|
|
|
from optparse import OptionParser
|
|
|
import os
|
|
|
import time
|
|
|
import tempfile
|
|
|
|
|
|
from twisted.application import internet, service
|
|
|
from twisted.internet import reactor, error, defer
|
|
|
from twisted.python import log
|
|
|
|
|
|
from IPython.kernel.fcutil import Tub, UnauthenticatedTub, have_crypto
|
|
|
|
|
|
# from IPython.utils import growl
|
|
|
# growl.start("IPython1 Controller")
|
|
|
|
|
|
from IPython.kernel.error import SecurityError
|
|
|
from IPython.kernel import controllerservice
|
|
|
from IPython.kernel.fcutil import check_furl_file_security
|
|
|
|
|
|
# Create various ipython directories if they don't exist.
|
|
|
# This must be done before IPython.kernel.config is imported.
|
|
|
from IPython.core.iplib import user_setup
|
|
|
from IPython.utils.genutils import get_ipython_dir, get_log_dir, get_security_dir
|
|
|
if os.name == 'posix':
|
|
|
rc_suffix = ''
|
|
|
else:
|
|
|
rc_suffix = '.ini'
|
|
|
user_setup(get_ipython_dir(), rc_suffix, mode='install', interactive=False)
|
|
|
get_log_dir()
|
|
|
get_security_dir()
|
|
|
|
|
|
from IPython.kernel.config import config_manager as kernel_config_manager
|
|
|
from IPython.config.cutils import import_item
|
|
|
|
|
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
# Code
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
|
|
def get_temp_furlfile(filename):
|
|
|
return tempfile.mktemp(dir=os.path.dirname(filename),
|
|
|
prefix=os.path.basename(filename))
|
|
|
|
|
|
def make_tub(ip, port, secure, cert_file):
|
|
|
"""
|
|
|
Create a listening tub given an ip, port, and cert_file location.
|
|
|
|
|
|
:Parameters:
|
|
|
ip : str
|
|
|
The ip address that the tub should listen on. Empty means all
|
|
|
port : int
|
|
|
The port that the tub should listen on. A value of 0 means
|
|
|
pick a random port
|
|
|
secure: boolean
|
|
|
Will the connection be secure (in the foolscap sense)
|
|
|
cert_file:
|
|
|
A filename of a file to be used for theSSL certificate
|
|
|
"""
|
|
|
if secure:
|
|
|
if have_crypto:
|
|
|
tub = Tub(certFile=cert_file)
|
|
|
else:
|
|
|
raise SecurityError("""
|
|
|
OpenSSL/pyOpenSSL is not available, so we can't run in secure mode.
|
|
|
Try running without security using 'ipcontroller -xy'.
|
|
|
""")
|
|
|
else:
|
|
|
tub = UnauthenticatedTub()
|
|
|
|
|
|
# Set the strport based on the ip and port and start listening
|
|
|
if ip == '':
|
|
|
strport = "tcp:%i" % port
|
|
|
else:
|
|
|
strport = "tcp:%i:interface=%s" % (port, ip)
|
|
|
listener = tub.listenOn(strport)
|
|
|
|
|
|
return tub, listener
|
|
|
|
|
|
def make_client_service(controller_service, config):
|
|
|
"""
|
|
|
Create a service that will listen for clients.
|
|
|
|
|
|
This service is simply a `foolscap.Tub` instance that has a set of Referenceables
|
|
|
registered with it.
|
|
|
"""
|
|
|
|
|
|
# Now create the foolscap tub
|
|
|
ip = config['controller']['client_tub']['ip']
|
|
|
port = config['controller']['client_tub'].as_int('port')
|
|
|
location = config['controller']['client_tub']['location']
|
|
|
secure = config['controller']['client_tub']['secure']
|
|
|
cert_file = config['controller']['client_tub']['cert_file']
|
|
|
client_tub, client_listener = make_tub(ip, port, secure, cert_file)
|
|
|
|
|
|
# Set the location in the trivial case of localhost
|
|
|
if ip == 'localhost' or ip == '127.0.0.1':
|
|
|
location = "127.0.0.1"
|
|
|
|
|
|
if not secure:
|
|
|
log.msg("WARNING: you are running the controller with no client security")
|
|
|
|
|
|
def set_location_and_register():
|
|
|
"""Set the location for the tub and return a deferred."""
|
|
|
|
|
|
def register(empty, ref, furl_file):
|
|
|
# We create and then move to make sure that when the file
|
|
|
# appears to other processes, the buffer has the flushed
|
|
|
# and the file has been closed
|
|
|
temp_furl_file = get_temp_furlfile(furl_file)
|
|
|
client_tub.registerReference(ref, furlFile=temp_furl_file)
|
|
|
os.rename(temp_furl_file, furl_file)
|
|
|
|
|
|
if location == '':
|
|
|
d = client_tub.setLocationAutomatically()
|
|
|
else:
|
|
|
d = defer.maybeDeferred(client_tub.setLocation, "%s:%i" % (location, client_listener.getPortnum()))
|
|
|
|
|
|
for ciname, ci in config['controller']['controller_interfaces'].iteritems():
|
|
|
log.msg("Adapting Controller to interface: %s" % ciname)
|
|
|
furl_file = ci['furl_file']
|
|
|
log.msg("Saving furl for interface [%s] to file: %s" % (ciname, furl_file))
|
|
|
check_furl_file_security(furl_file, secure)
|
|
|
adapted_controller = import_item(ci['controller_interface'])(controller_service)
|
|
|
d.addCallback(register, import_item(ci['fc_interface'])(adapted_controller),
|
|
|
furl_file=ci['furl_file'])
|
|
|
|
|
|
reactor.callWhenRunning(set_location_and_register)
|
|
|
return client_tub
|
|
|
|
|
|
|
|
|
def make_engine_service(controller_service, config):
|
|
|
"""
|
|
|
Create a service that will listen for engines.
|
|
|
|
|
|
This service is simply a `foolscap.Tub` instance that has a set of Referenceables
|
|
|
registered with it.
|
|
|
"""
|
|
|
|
|
|
# Now create the foolscap tub
|
|
|
ip = config['controller']['engine_tub']['ip']
|
|
|
port = config['controller']['engine_tub'].as_int('port')
|
|
|
location = config['controller']['engine_tub']['location']
|
|
|
secure = config['controller']['engine_tub']['secure']
|
|
|
cert_file = config['controller']['engine_tub']['cert_file']
|
|
|
engine_tub, engine_listener = make_tub(ip, port, secure, cert_file)
|
|
|
|
|
|
# Set the location in the trivial case of localhost
|
|
|
if ip == 'localhost' or ip == '127.0.0.1':
|
|
|
location = "127.0.0.1"
|
|
|
|
|
|
if not secure:
|
|
|
log.msg("WARNING: you are running the controller with no engine security")
|
|
|
|
|
|
def set_location_and_register():
|
|
|
"""Set the location for the tub and return a deferred."""
|
|
|
|
|
|
def register(empty, ref, furl_file):
|
|
|
# We create and then move to make sure that when the file
|
|
|
# appears to other processes, the buffer has the flushed
|
|
|
# and the file has been closed
|
|
|
temp_furl_file = get_temp_furlfile(furl_file)
|
|
|
engine_tub.registerReference(ref, furlFile=temp_furl_file)
|
|
|
os.rename(temp_furl_file, furl_file)
|
|
|
|
|
|
if location == '':
|
|
|
d = engine_tub.setLocationAutomatically()
|
|
|
else:
|
|
|
d = defer.maybeDeferred(engine_tub.setLocation, "%s:%i" % (location, engine_listener.getPortnum()))
|
|
|
|
|
|
furl_file = config['controller']['engine_furl_file']
|
|
|
engine_fc_interface = import_item(config['controller']['engine_fc_interface'])
|
|
|
log.msg("Saving furl for the engine to file: %s" % furl_file)
|
|
|
check_furl_file_security(furl_file, secure)
|
|
|
fc_controller = engine_fc_interface(controller_service)
|
|
|
d.addCallback(register, fc_controller, furl_file=furl_file)
|
|
|
|
|
|
reactor.callWhenRunning(set_location_and_register)
|
|
|
return engine_tub
|
|
|
|
|
|
def start_controller():
|
|
|
"""
|
|
|
Start the controller by creating the service hierarchy and starting the reactor.
|
|
|
|
|
|
This method does the following:
|
|
|
|
|
|
* It starts the controller logging
|
|
|
* In execute an import statement for the controller
|
|
|
* It creates 2 `foolscap.Tub` instances for the client and the engines
|
|
|
and registers `foolscap.Referenceables` with the tubs to expose the
|
|
|
controller to engines and clients.
|
|
|
"""
|
|
|
config = kernel_config_manager.get_config_obj()
|
|
|
|
|
|
# Start logging
|
|
|
logfile = config['controller']['logfile']
|
|
|
if logfile:
|
|
|
logfile = logfile + str(os.getpid()) + '.log'
|
|
|
try:
|
|
|
openLogFile = open(logfile, 'w')
|
|
|
except:
|
|
|
openLogFile = sys.stdout
|
|
|
else:
|
|
|
openLogFile = sys.stdout
|
|
|
log.startLogging(openLogFile)
|
|
|
|
|
|
# Execute any user defined import statements
|
|
|
cis = config['controller']['import_statement']
|
|
|
if cis:
|
|
|
try:
|
|
|
exec cis in globals(), locals()
|
|
|
except:
|
|
|
log.msg("Error running import_statement: %s" % cis)
|
|
|
|
|
|
# Delete old furl files unless the reuse_furls is set
|
|
|
reuse = config['controller']['reuse_furls']
|
|
|
if not reuse:
|
|
|
paths = (config['controller']['engine_furl_file'],
|
|
|
config['controller']['controller_interfaces']['task']['furl_file'],
|
|
|
config['controller']['controller_interfaces']['multiengine']['furl_file']
|
|
|
)
|
|
|
for p in paths:
|
|
|
if os.path.isfile(p):
|
|
|
os.remove(p)
|
|
|
|
|
|
# Create the service hierarchy
|
|
|
main_service = service.MultiService()
|
|
|
# The controller service
|
|
|
controller_service = controllerservice.ControllerService()
|
|
|
controller_service.setServiceParent(main_service)
|
|
|
# The client tub and all its refereceables
|
|
|
client_service = make_client_service(controller_service, config)
|
|
|
client_service.setServiceParent(main_service)
|
|
|
# The engine tub
|
|
|
engine_service = make_engine_service(controller_service, config)
|
|
|
engine_service.setServiceParent(main_service)
|
|
|
# Start the controller service and set things running
|
|
|
main_service.startService()
|
|
|
reactor.run()
|
|
|
|
|
|
def init_config():
|
|
|
"""
|
|
|
Initialize the configuration using default and command line options.
|
|
|
"""
|
|
|
|
|
|
parser = OptionParser("""ipcontroller [options]
|
|
|
|
|
|
Start an IPython controller.
|
|
|
|
|
|
Use the IPYTHONDIR environment variable to change your IPython directory
|
|
|
from the default of .ipython or _ipython. The log and security
|
|
|
subdirectories of your IPython directory will be used by this script
|
|
|
for log files and security files.""")
|
|
|
|
|
|
# Client related options
|
|
|
parser.add_option(
|
|
|
"--client-ip",
|
|
|
type="string",
|
|
|
dest="client_ip",
|
|
|
help="the IP address or hostname the controller will listen on for client connections"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
"--client-port",
|
|
|
type="int",
|
|
|
dest="client_port",
|
|
|
help="the port the controller will listen on for client connections"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
'--client-location',
|
|
|
type="string",
|
|
|
dest="client_location",
|
|
|
help="hostname or ip for clients to connect to"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
"-x",
|
|
|
action="store_false",
|
|
|
dest="client_secure",
|
|
|
help="turn off all client security"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
'--client-cert-file',
|
|
|
type="string",
|
|
|
dest="client_cert_file",
|
|
|
help="file to store the client SSL certificate"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
'--task-furl-file',
|
|
|
type="string",
|
|
|
dest="task_furl_file",
|
|
|
help="file to store the FURL for task clients to connect with"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
'--multiengine-furl-file',
|
|
|
type="string",
|
|
|
dest="multiengine_furl_file",
|
|
|
help="file to store the FURL for multiengine clients to connect with"
|
|
|
)
|
|
|
# Engine related options
|
|
|
parser.add_option(
|
|
|
"--engine-ip",
|
|
|
type="string",
|
|
|
dest="engine_ip",
|
|
|
help="the IP address or hostname the controller will listen on for engine connections"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
"--engine-port",
|
|
|
type="int",
|
|
|
dest="engine_port",
|
|
|
help="the port the controller will listen on for engine connections"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
'--engine-location',
|
|
|
type="string",
|
|
|
dest="engine_location",
|
|
|
help="hostname or ip for engines to connect to"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
"-y",
|
|
|
action="store_false",
|
|
|
dest="engine_secure",
|
|
|
help="turn off all engine security"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
'--engine-cert-file',
|
|
|
type="string",
|
|
|
dest="engine_cert_file",
|
|
|
help="file to store the engine SSL certificate"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
'--engine-furl-file',
|
|
|
type="string",
|
|
|
dest="engine_furl_file",
|
|
|
help="file to store the FURL for engines to connect with"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
"-l", "--logfile",
|
|
|
type="string",
|
|
|
dest="logfile",
|
|
|
help="log file name (default is stdout)"
|
|
|
)
|
|
|
parser.add_option(
|
|
|
"-r",
|
|
|
action="store_true",
|
|
|
dest="reuse_furls",
|
|
|
help="try to reuse all furl files"
|
|
|
)
|
|
|
|
|
|
(options, args) = parser.parse_args()
|
|
|
|
|
|
config = kernel_config_manager.get_config_obj()
|
|
|
|
|
|
# Update with command line options
|
|
|
if options.client_ip is not None:
|
|
|
config['controller']['client_tub']['ip'] = options.client_ip
|
|
|
if options.client_port is not None:
|
|
|
config['controller']['client_tub']['port'] = options.client_port
|
|
|
if options.client_location is not None:
|
|
|
config['controller']['client_tub']['location'] = options.client_location
|
|
|
if options.client_secure is not None:
|
|
|
config['controller']['client_tub']['secure'] = options.client_secure
|
|
|
if options.client_cert_file is not None:
|
|
|
config['controller']['client_tub']['cert_file'] = options.client_cert_file
|
|
|
if options.task_furl_file is not None:
|
|
|
config['controller']['controller_interfaces']['task']['furl_file'] = options.task_furl_file
|
|
|
if options.multiengine_furl_file is not None:
|
|
|
config['controller']['controller_interfaces']['multiengine']['furl_file'] = options.multiengine_furl_file
|
|
|
if options.engine_ip is not None:
|
|
|
config['controller']['engine_tub']['ip'] = options.engine_ip
|
|
|
if options.engine_port is not None:
|
|
|
config['controller']['engine_tub']['port'] = options.engine_port
|
|
|
if options.engine_location is not None:
|
|
|
config['controller']['engine_tub']['location'] = options.engine_location
|
|
|
if options.engine_secure is not None:
|
|
|
config['controller']['engine_tub']['secure'] = options.engine_secure
|
|
|
if options.engine_cert_file is not None:
|
|
|
config['controller']['engine_tub']['cert_file'] = options.engine_cert_file
|
|
|
if options.engine_furl_file is not None:
|
|
|
config['controller']['engine_furl_file'] = options.engine_furl_file
|
|
|
if options.reuse_furls is not None:
|
|
|
config['controller']['reuse_furls'] = options.reuse_furls
|
|
|
|
|
|
if options.logfile is not None:
|
|
|
config['controller']['logfile'] = options.logfile
|
|
|
|
|
|
kernel_config_manager.update_config_obj(config)
|
|
|
|
|
|
def main():
|
|
|
"""
|
|
|
After creating the configuration information, start the controller.
|
|
|
"""
|
|
|
init_config()
|
|
|
start_controller()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
main()
|
|
|
|
