--- /dev/null
+#!/usr/bin/python
+#
+# Copyright (c) 2004 The Trustees of Princeton University (Trustees).
+#
+# Faiyaz Ahmed <faiyaza@cs.princeton.edu>
+# Stephen Soltesz <soltesz@cs.princeton.edu>
+#
+# $Id$
+
+import sys
+from threading import *
+import time
+import logging
+import Queue
+from sets import Set
+
+# Global config options
+from config import config
+from optparse import OptionParser
+parser = OptionParser()
+
+parser.set_defaults(nodelist=None,
+ cachert=False,
+ cachenodes=False,
+ blacklist=None,
+ ticketlist=None)
+
+parser.add_option("", "--nodelist", dest="nodelist",
+ help="Read nodes to act on from specified file")
+parser.add_option("", "--cachert", action="store_true",
+ help="Cache the RT database query")
+parser.add_option("", "--cachenodes", action="store_true",
+ help="Cache node lookup from PLC")
+parser.add_option("", "--ticketlist", dest="ticketlist",
+ help="Whitelist all RT tickets in this file")
+parser.add_option("", "--blacklist", dest="blacklist",
+ help="Blacklist all nodes in this file")
+
+config = config(parser)
+config.parse_args()
+
+# daemonize and *pid
+#from util.process import *
+
+# RT tickets
+import rt
+# Correlates input with policy to form actions
+import policy
+import soltesz
+import plc
+
+# Log to what
+LOG="./monitor.log"
+
+# Time to refresh DB and remove unused entries
+RTSLEEP=7200 #2hrs
+# Time between policy enforce/update
+#POLSLEEP=43200 #12hrs
+POLSLEEP=10
+
+# Global list of all running threads. Any threads added to
+# list will be monitored.
+runningthreads = {}
+# Seconds between checking threads
+WATCHSLEEP = 10
+
+# Set up Logging
+logger = logging.getLogger("monitor")
+logger.setLevel(logging.DEBUG)
+fh = logging.FileHandler(LOG, mode = 'a')
+fh.setLevel(logging.DEBUG)
+formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
+fh.setFormatter(formatter)
+logger.addHandler(fh)
+
+
+"""
+Launches threads and adds them to the runningthreads global list.
+Assigns name for thread, starts.
+"""
+def startThread(fnct, name):
+ runningthreads[name] = fnct
+ runningthreads[name].setName(name)
+ try:
+ logger.info("Starting thread " + name)
+ runningthreads[name].start()
+ except Exception, err:
+ logger.error("Thread: " + name + " " + error)
+
+
+"""
+Watches threads and catches exceptions. Each launched thread is
+watched and state is logged.
+"""
+class ThreadWatcher(Thread):
+ def __init__(self):
+ Thread.__init__(self)
+
+ def run(self):
+ while 1:
+ self.checkThreads()
+ time.sleep(WATCHSLEEP)
+
+ def checkThreads(self):
+ # Iterate through treads, compare with last running.
+ for thread in runningthreads.keys():
+ # If thread found dead, remove from queue
+ #print "found %s" % thread
+ if not runningthreads[thread].isAlive():
+ logger.error("***********Thread died: %s**********" %(thread))
+ del runningthreads[thread]
+ return len(runningthreads.keys())
+
+
+class Dummy(Thread):
+ def __init__(self):
+ Thread.__init__(self)
+
+ def run(self):
+ time.sleep(5)
+
+def dict_from_nodelist(nl):
+ d = {}
+ for host in nl:
+ h = host['hostname']
+ d[h] = host
+ return d
+
+"""
+Start threads, do some housekeeping, then daemonize.
+"""
+def main():
+ # Defaults
+ global status, logger
+ global config
+
+ logger.info('Action Started')
+ print 'Action Started'
+
+ ######### GET NODES ########################################
+ logger.info('Get Nodes from PLC')
+ print "getnode from plc"
+ l_plcnodes = soltesz.if_cached_else(True,
+ "l_plcnodes",
+ lambda : plc.getNodes({'peer_id':None}))
+
+ s_plcnodenames = Set([x['hostname'] for x in l_plcnodes])
+
+ # List of nodes from a user-provided file.
+ if config.nodelist:
+ file = config.nodelist
+ nodelist = config.getListFromFile(file)
+ #for node in nodelist:
+ # print "%s" % node
+
+ s_usernodes = Set(nodelist)
+ # SAFE nodes are in PLC and the list
+ s_safe_usernodes = s_plcnodenames & s_usernodes
+ # UNSAFE nodes are in list but not in PLC. i.e. ignore them.
+ s_unsafe_usernodes = s_usernodes - s_plcnodenames
+ if len(s_unsafe_usernodes) > 0 :
+ for node in s_unsafe_usernodes:
+ print "WARNING: User provided: %s but not found in PLC" % node
+
+ l_nodes = filter(lambda x: x['hostname'] in s_safe_usernodes,l_plcnodes)
+ else:
+ l_nodes = l_plcnodes
+
+ print "len of l_nodes: %d" % len(l_nodes)
+ # Minus blacklisted ones..
+ l_ticket_blacklist = soltesz.if_cached_else(1,"l_ticket_blacklist",lambda : [])
+
+ l_blacklist = soltesz.if_cached_else(1, "l_blacklist", lambda : [])
+ l_nodes = filter(lambda x : not x['hostname'] in l_blacklist, l_nodes)
+
+ ####### Get RT tickets #########################################
+ #logger.info('Get Tickets from RT')
+ #t = soltesz.MyTimer()
+ #ad_dbTickets = soltesz.if_cached_else(config.cachert, "ad_dbTickets", rt.rt_tickets)
+ #print "Getting tickets from RT took: %f sec" % t.diff() ; del t
+
+ logger.info('Start Action thread')
+ ####### Action
+ action = policy.Action( [node['hostname'] for node in l_nodes] )
+ startThread(action,"action")
+
+
+ tw = ThreadWatcher()
+ while True:
+ if tw.checkThreads() == 0:
+ break
+ time.sleep(WATCHSLEEP)
+
+ logger.info('Action Exitting')
+ sys.exit(0)
+
+if __name__ == '__main__':
+ try:
+ main()
+ except KeyboardInterrupt:
+ print "Killed. Exitting."
+ logger.info('Action Killed')
+ sys.exit(0)
git://git.onelab.eu / monitor.git / blobdiff