mirror of
https://github.com/virt-manager/virt-manager.git
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101 lines
3.4 KiB
Python
101 lines
3.4 KiB
Python
#
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# Copyright (C) 2011 Red Hat, Inc.
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# Copyright (C) 2011 Cole Robinson <crobinso@redhat.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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#
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import gettext
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import locale
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import logging
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import logging.handlers
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import os
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import sys
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import traceback
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import libvirt
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from virtcli import cliconfig
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def setup_logging(appname, debug_stdout):
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# Configure python logging to capture all logs we generate
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# to $HOME/.virt-manager/${app}.log This file has
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# proved invaluable for debugging
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MAX_LOGSIZE = 1024 * 1024 # 1MB
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ROTATE_NUM = 5
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DIR_NAME = ".virt-manager"
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FILE_NAME = "%s.log" % appname
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FILE_MODE = 'ae'
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FILE_FORMAT = ("[%(asctime)s virt-manager %(process)d] "
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"%(levelname)s (%(module)s:%(lineno)d) %(message)s")
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DATEFMT = "%a, %d %b %Y %H:%M:%S"
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# set up logging
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vm_dir = os.path.expanduser("~/%s" % DIR_NAME)
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if not os.access(vm_dir, os.W_OK):
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if os.path.exists(vm_dir):
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raise RuntimeError("No write access to %s" % vm_dir)
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try:
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os.mkdir(vm_dir, 0751)
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except IOError, e:
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raise RuntimeError("Could not create directory %s: %s" %
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(vm_dir, e))
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filename = "%s/%s" % (vm_dir, FILE_NAME)
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rootLogger = logging.getLogger()
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rootLogger.setLevel(logging.DEBUG)
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fileHandler = logging.handlers.RotatingFileHandler(filename,
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FILE_MODE, MAX_LOGSIZE, ROTATE_NUM)
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fileHandler.setFormatter(logging.Formatter(FILE_FORMAT, DATEFMT))
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rootLogger.addHandler(fileHandler)
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if debug_stdout:
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streamHandler = logging.StreamHandler(sys.stderr)
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streamHandler.setLevel(logging.DEBUG)
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streamHandler.setFormatter(logging.Formatter(
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"%(asctime)s (%(module)s:%(lineno)d): %(message)s"))
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rootLogger.addHandler(streamHandler)
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logging.info("%s startup", appname)
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# Register libvirt handler
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def libvirt_callback(ctx_ignore, err):
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if err[3] != libvirt.VIR_ERR_ERROR:
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# Don't log libvirt errors: global error handler will do that
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logging.warn("Non-error from libvirt: '%s'", err[2])
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libvirt.registerErrorHandler(f=libvirt_callback, ctx=None)
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# Log uncaught exceptions
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def exception_log(typ, val, tb):
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s = traceback.format_exception(typ, val, tb)
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logging.debug("Uncaught exception:\n" + "".join(s))
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sys.__excepthook__(typ, val, tb)
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sys.excepthook = exception_log
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def setup_i18n():
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try:
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locale.setlocale(locale.LC_ALL, '')
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except:
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# Can happen if user passed a bogus LANG
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pass
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gettext.install("virt-manager", cliconfig.gettext_dir)
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gettext.bindtextdomain("virt-manager", cliconfig.gettext_dir)
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