|
|
#!/usr/bin/env python
|
|
|
# encoding: utf-8
|
|
|
"""
|
|
|
A simple IPython logger application
|
|
|
"""
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Copyright (C) 2011 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 sys
|
|
|
|
|
|
import zmq
|
|
|
|
|
|
from IPython.zmq.parallel.clusterdir import (
|
|
|
ApplicationWithClusterDir,
|
|
|
ClusterDirConfigLoader
|
|
|
)
|
|
|
from .logwatcher import LogWatcher
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Module level variables
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
#: The default config file name for this application
|
|
|
default_config_file_name = u'iplogger_config.py'
|
|
|
|
|
|
_description = """Start an IPython logger for parallel computing.\n\n
|
|
|
|
|
|
IPython controllers and engines (and your own processes) can broadcast log messages
|
|
|
by registering a `zmq.log.handlers.PUBHandler` with the `logging` module. The
|
|
|
logger can be configured using command line options or using a cluster
|
|
|
directory. Cluster directories contain config, log and security files and are
|
|
|
usually located in your ipython directory and named as "clusterz_<profile>".
|
|
|
See the --profile and --cluster-dir options for details.
|
|
|
"""
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Command line options
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
class IPLoggerAppConfigLoader(ClusterDirConfigLoader):
|
|
|
|
|
|
def _add_arguments(self):
|
|
|
super(IPLoggerAppConfigLoader, self)._add_arguments()
|
|
|
paa = self.parser.add_argument
|
|
|
# Controller config
|
|
|
paa('--url',
|
|
|
type=str, dest='LogWatcher.url',
|
|
|
help='The url the LogWatcher will listen on',
|
|
|
)
|
|
|
# MPI
|
|
|
paa('--topics',
|
|
|
type=str, dest='LogWatcher.topics', nargs='+',
|
|
|
help='What topics to subscribe to',
|
|
|
metavar='topics')
|
|
|
# Global config
|
|
|
paa('--log-to-file',
|
|
|
action='store_true', dest='Global.log_to_file',
|
|
|
help='Log to a file in the log directory (default is stdout)')
|
|
|
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Main application
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
class IPLoggerApp(ApplicationWithClusterDir):
|
|
|
|
|
|
name = u'iploggerz'
|
|
|
description = _description
|
|
|
command_line_loader = IPLoggerAppConfigLoader
|
|
|
default_config_file_name = default_config_file_name
|
|
|
auto_create_cluster_dir = True
|
|
|
|
|
|
def create_default_config(self):
|
|
|
super(IPLoggerApp, self).create_default_config()
|
|
|
|
|
|
# The engine should not clean logs as we don't want to remove the
|
|
|
# active log files of other running engines.
|
|
|
self.default_config.Global.clean_logs = False
|
|
|
|
|
|
# If given, this is the actual location of the logger's URL file.
|
|
|
# If not, this is computed using the profile, app_dir and furl_file_name
|
|
|
self.default_config.Global.url_file_name = u'iplogger.url'
|
|
|
self.default_config.Global.url_file = u''
|
|
|
|
|
|
def post_load_command_line_config(self):
|
|
|
pass
|
|
|
|
|
|
def pre_construct(self):
|
|
|
super(IPLoggerApp, self).pre_construct()
|
|
|
|
|
|
def construct(self):
|
|
|
# This is the working dir by now.
|
|
|
sys.path.insert(0, '')
|
|
|
|
|
|
self.start_logging()
|
|
|
|
|
|
try:
|
|
|
self.watcher = LogWatcher(config=self.master_config, logname=self.log.name)
|
|
|
except:
|
|
|
self.log.error("Couldn't start the LogWatcher", exc_info=True)
|
|
|
self.exit(1)
|
|
|
|
|
|
|
|
|
def start_app(self):
|
|
|
try:
|
|
|
self.watcher.start()
|
|
|
self.watcher.loop.start()
|
|
|
except KeyboardInterrupt:
|
|
|
self.log.critical("Logging Interrupted, shutting down...\n")
|
|
|
|
|
|
|
|
|
def launch_new_instance():
|
|
|
"""Create and run the IPython LogWatcher"""
|
|
|
app = IPLoggerApp()
|
|
|
app.start()
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
launch_new_instance()
|
|
|
|
|
|
|
