168b7c226c
If we fail during devstack / grenade runs, it would be nice to have the map of iptables that are currently active as well. This makes it handy to start figuring out what's going on when test servers don't ping. Change-Id: Ia31736ef2cb0221586d30c089473dfdc1db90e23
101 lines
2.5 KiB
Python
Executable File
101 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2014 Hewlett-Packard Development Company, L.P.
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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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"""Dump the state of the world for post mortem."""
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import argparse
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import datetime
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import os
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import os.path
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import sys
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def get_options():
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parser = argparse.ArgumentParser(
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description='Dump world state for debugging')
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parser.add_argument('-d', '--dir',
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default='.',
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help='Output directory for worlddump')
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return parser.parse_args()
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def filename(dirname):
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now = datetime.datetime.utcnow()
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return os.path.join(dirname, now.strftime("worlddump-%Y-%m-%d-%H%M%S.txt"))
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def warn(msg):
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print "WARN: %s" % msg
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def disk_space():
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# the df output
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print """
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File System Summary
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===================
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"""
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dfraw = os.popen("df -Ph").read()
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df = [s.split() for s in dfraw.splitlines()]
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for fs in df:
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try:
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if int(fs[4][:-1]) > 95:
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warn("Device %s (%s) is %s full, might be an issue" % (
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fs[0], fs[5], fs[4]))
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except ValueError:
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# if it doesn't look like an int, that's fine
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pass
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print dfraw
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def iptables_dump():
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tables = ['filter', 'nat', 'mangle']
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print """
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IP Tables Dump
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===============
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"""
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for table in tables:
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print os.popen("sudo iptables --line-numbers -L -nv -t %s"
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% table).read()
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def process_list():
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print """
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Process Listing
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===============
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"""
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psraw = os.popen("ps axo user,ppid,pid,pcpu,pmem,vsz,rss,tty,stat,start,time,args").read()
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print psraw
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def main():
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opts = get_options()
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fname = filename(opts.dir)
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print "World dumping... see %s for details" % fname
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sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
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with open(fname, 'w') as f:
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os.dup2(f.fileno(), sys.stdout.fileno())
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disk_space()
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process_list()
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iptables_dump()
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if __name__ == '__main__':
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try:
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sys.exit(main())
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except KeyboardInterrupt:
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sys.exit(1)
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