162 lines
5.4 KiB
Python
162 lines
5.4 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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 argparse
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import configparser
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import logging
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import os
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import statsd
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import sys
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import afsmon
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logger = logging.getLogger("afsmon.main")
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class AFSMonCmd(object):
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def cmd_show(self):
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for fs in self.fileservers:
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print(fs)
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return 0
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def cmd_statsd(self):
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# note we're just being careful to let the default values fall
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# through to StatsClient()
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statsd_args = {}
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try:
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try:
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statsd_args['host'] = self.config.get('statsd', 'host')
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except configparser.NoOptionError:
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pass
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try:
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statsd_args['port'] = self.config.get('statsd', 'port')
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except configparser.NoOptionerror:
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pass
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except configparser.NoSectionError:
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pass
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if os.getenv('STATSD_HOST', None):
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statsd_args['host'] = os.environ['STATSD_HOST']
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if os.getenv('STATSD_PORT', None):
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statsd_args['port'] = os.environ['STATSD_PORT']
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logger.debug("Sending stats to %s:%s" % (
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statsd_args.get('host', 'localhost'),
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statsd_args.get('port', '8125'))
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)
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self.statsd = statsd.StatsClient(**statsd_args)
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# With a lot of volumes, we can flood out a lot of stats
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# quickly. Use a pipeline to batch.
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pipe = self.statsd.pipeline()
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for f in self.fileservers:
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if f.status != afsmon.FileServerStatus.NORMAL:
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continue
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hn = f.hostname.replace('.', '_')
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pipe.gauge('afs.%s.idle_threads' % hn, f.idle_threads)
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pipe.gauge('afs.%s.calls_waiting' % hn, f.calls_waiting)
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for p in f.partitions:
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pipe.gauge(
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'afs.%s.part.%s.used' % (hn, p.partition), p.used)
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pipe.gauge(
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'afs.%s.part.%s.free' % (hn, p.partition), p.free)
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pipe.gauge(
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'afs.%s.part.%s.total' % (hn, p.partition), p.total)
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for v in f.volumes:
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vn = v.volume.replace('.', '_')
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pipe.gauge(
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'afs.%s.vol.%s.used' % (hn, vn), v.used)
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pipe.gauge(
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'afs.%s.vol.%s.quota' % (hn, vn), v.quota)
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pipe.gauge(
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'afs.%s.vol.%s.creation' % (hn, vn),
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int(v.creation.strftime("%s")))
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pipe.send()
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def main(self, args=None):
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if args is None:
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args = sys.argv[1:]
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self.fileservers = []
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parser = argparse.ArgumentParser(
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description='An AFS monitoring tool')
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parser.add_argument("-c", "--config", action='store',
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default="/etc/afsmon.cfg",
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help="Path to config file")
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parser.add_argument("-d", '--debug', action="store_true")
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subparsers = parser.add_subparsers(title='commands',
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description='valid commands',
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dest='command')
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cmd_show = subparsers.add_parser('show', help='show table of results')
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cmd_show.set_defaults(func=self.cmd_show)
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cmd_statsd = subparsers.add_parser('statsd', help='report to statsd')
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cmd_statsd.set_defaults(func=self.cmd_statsd)
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self.args = parser.parse_args(args)
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if not os.path.exists(self.args.config):
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parser.error("Config file %s does not exist" % self.args.config)
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self.config = configparser.RawConfigParser()
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self.config.read(self.args.config)
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if self.args.debug or \
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self.config.getboolean('main', 'debug', fallback=False):
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logging.basicConfig(level=logging.DEBUG)
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logger.debug("Debugging enabled")
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if not self.args.command:
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parser.print_help()
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return 1
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fs_addrs = []
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# Look for fileservers from a given cell
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cell = self.config.get('main', 'cell', fallback=None)
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if cell:
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fs_addrs = afsmon.get_fs_addresses(cell.strip())
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logger.debug("cell %s fileservers: %s" % (
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cell, ", ".join(fs_addrs)))
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# Add in any specific fileservers from config
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cfg_fs = self.config.get('main', 'fileservers', fallback=None)
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if cfg_fs:
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cfg_fs = cfg_fs.strip().split('\n')
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logger.debug("cfg fileservers: %s" % ", ".join(cfg_fs))
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fs_addrs.extend(cfg_fs)
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if not fs_addrs:
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raise ValueError("No fileservers found!")
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# populate self.fileservers
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for addr in fs_addrs:
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logger.debug("Finding stats for: %s" % addr)
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fs = afsmon.FileServerStats(addr)
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fs.get_stats()
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self.fileservers.append(fs)
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# run the subcommand
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return self.args.func()
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def main():
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cmd = AFSMonCmd()
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return cmd.main()
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