96 lines
3.2 KiB
Python
96 lines
3.2 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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from six.moves import configparser as ConfigParser
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import cStringIO
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import extras
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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 traceback
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yappi = extras.try_import('yappi')
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import zuul.lib.connections
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# Do not import modules that will pull in paramiko which must not be
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# imported until after the daemonization.
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# https://github.com/paramiko/paramiko/issues/59
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# Similar situation with gear and statsd.
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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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for thread_id, stack_frame in sys._current_frames().items():
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log_str += "Thread: %s\n" % thread_id
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log_str += "".join(traceback.format_stack(stack_frame))
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log = logging.getLogger("zuul.stack_dump")
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log.debug(log_str)
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if yappi:
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if not yappi.is_running():
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yappi.start()
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else:
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yappi.stop()
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yappi_out = cStringIO.StringIO()
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yappi.get_func_stats().print_all(out=yappi_out)
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yappi.get_thread_stats().print_all(out=yappi_out)
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log.debug(yappi_out.getvalue())
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yappi_out.close()
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yappi.clear_stats()
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signal.signal(signal.SIGUSR2, stack_dump_handler)
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class ZuulApp(object):
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def __init__(self):
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self.args = None
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self.config = None
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self.connections = {}
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def _get_version(self):
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from zuul.version import version_info as zuul_version_info
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return "Zuul version: %s" % zuul_version_info.release_string()
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def read_config(self):
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self.config = ConfigParser.ConfigParser()
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if self.args.config:
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locations = [self.args.config]
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else:
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locations = ['/etc/zuul/zuul.conf',
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'~/zuul.conf']
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for fp in locations:
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if os.path.exists(os.path.expanduser(fp)):
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self.config.read(os.path.expanduser(fp))
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return
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raise Exception("Unable to locate config file in %s" % locations)
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def setup_logging(self, section, parameter):
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if self.config.has_option(section, parameter):
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fp = os.path.expanduser(self.config.get(section, parameter))
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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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def configure_connections(self):
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self.connections = zuul.lib.connections.configure_connections(
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self.config)
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