62 lines
2.0 KiB
Python
62 lines
2.0 KiB
Python
#!/usr/bin/env python
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# Copyright 2012 Hewlett-Packard Development Company, L.P.
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# Copyright 2013 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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import logging.config
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import os
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import signal
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import sys
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import threading
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import traceback
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def stack_dump_handler(signum, frame):
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signal.signal(signal.SIGUSR2, signal.SIG_IGN)
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log_str = ""
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threads = {}
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for t in threading.enumerate():
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threads[t.ident] = t
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for thread_id, stack_frame in sys._current_frames().items():
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thread = threads.get(thread_id)
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if thread:
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thread_name = thread.name
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else:
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thread_name = 'Unknown'
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label = '%s (%s)' % (thread_name, thread_id)
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log_str += "Thread: %s\n" % label
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log_str += "".join(traceback.format_stack(stack_frame))
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log = logging.getLogger("nodepool.stack_dump")
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log.debug(log_str)
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signal.signal(signal.SIGUSR2, stack_dump_handler)
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class NodepoolApp(object):
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def __init__(self):
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self.args = None
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def setup_logging(self):
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if self.args.logconfig:
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fp = os.path.expanduser(self.args.logconfig)
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if not os.path.exists(fp):
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raise Exception("Unable to read logging config file at %s" %
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fp)
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logging.config.fileConfig(fp)
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else:
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logging.basicConfig(level=logging.DEBUG,
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format='%(asctime)s %(levelname)s %(name)s: '
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'%(message)s')
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