devstack/tools/worlddump.py
Sean Dague 97fcc7b27b add worlddump tool to devstack
when we exit poorly, start building a tool for doing a capture
as to why. This tool is expected to be consumed directly from
grenade as well.

Change-Id: Ia1bc1c2e259587035ca7252baceec25fa464cb82
2014-06-22 11:37:51 -04:00

89 lines
2.2 KiB
Python
Executable File

#!/usr/bin/env python
#
# Copyright 2014 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Dump the state of the world for post mortem."""
import argparse
import datetime
import os
import os.path
import sys
def get_options():
parser = argparse.ArgumentParser(
description='Dump world state for debugging')
parser.add_argument('-d', '--dir',
default='.',
help='Output directory for worlddump')
return parser.parse_args()
def filename(dirname):
now = datetime.datetime.utcnow()
return os.path.join(dirname, now.strftime("worlddump-%Y-%m-%d-%H%M%S.txt"))
def warn(msg):
print "WARN: %s" % msg
def disk_space():
# the df output
print """
File System Summary
===================
"""
dfraw = os.popen("df -Ph").read()
df = [s.split() for s in dfraw.splitlines()]
for fs in df:
try:
if int(fs[4][:-1]) > 95:
warn("Device %s (%s) is %s full, might be an issue" % (
fs[0], fs[5], fs[4]))
except ValueError:
# if it doesn't look like an int, that's fine
pass
print dfraw
def process_list():
print """
Process Listing
===============
"""
psraw = os.popen("ps auxw").read()
print psraw
def main():
opts = get_options()
fname = filename(opts.dir)
print "World dumping... see %s for details" % fname
sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
with open(fname, 'w') as f:
os.dup2(f.fileno(), sys.stdout.fileno())
disk_space()
process_list()
if __name__ == '__main__':
try:
sys.exit(main())
except KeyboardInterrupt:
sys.exit(1)