Script to dump Java VM stacktrace on all cluster.

jvmdump.py

#!/usr/bin/python
# -*- encoding: UTF-8 -*-
# Script to dump Java VM stacktrace on all cluster.
# Please configure your unix account to sudo to each user of jvm processes without
# password on each server.
import commands
import re
import time

cluster = [
  "server1",
  "server2",
  # ...
]

filename = time.strftime("jvmdump_%Y-%m-%d.%H:%M:%S.log")
file = open(filename, "w")

for server in cluster:
  file.write("==================== %s ====================\n" % server)
  upids = commands.getoutput("ssh %s ps -ef | grep java | awk '{print $1, $2}'" % server)
  for upid in re.split("\n+", upids):
    file.write("---------- %s ----------\n" % upid)
    up = re.split(" +", upid)
    if len(up) == 2:
      file.write(commands.getoutput("ssh -t -t %s sudo -u %s /usr/java/default/bin/jstack %s" % (server, up[0], up[1])))

file.close()