add pcu_name to pcufailed_notice
[monitor.git] / policy.py
old mode 100644 (file)
new mode 100755 (executable)
index e99fb71..cb5d93f
--- a/policy.py
+++ b/policy.py
-#
-# Copyright (c) 2004  The Trustees of Princeton University (Trustees).
-#
-# Faiyaz Ahmed <faiyaza@cs.princeton.edu>
-#
-# $Id: policy.py,v 1.15 2007/07/03 19:58:34 soltesz Exp $
-#
-# Policy Engine.
-
-#from monitor import *
-from threading import *
+#!/usr/bin/python
+
+# This script is used to manipulate the operational state of nodes in
+# different node groups.  These are basically set operations on nodes via the
+# PLC api.
+# 
+# Take the ng name as an argument....
+# optionally, 
+#  * get a list of nodes in the given nodegroup.
+#  * set some or all in the set to rins.
+#  * restart them all.
+#  * do something else to them all.
+# 
+
+import os
 import time
-import logging
-import mailer
-import emailTxt
-import pickle
-import Queue
-import plc
+import traceback
 import sys
-import reboot
-import soltesz
-import string
-from printbadbysite import cmpCategoryVal
-from config import config
-print "policy"
-config = config()
-
-DAT="./monitor.dat"
-
-logger = logging.getLogger("monitor")
-
-# Time to enforce policy
-POLSLEEP = 7200
-
-# Where to email the summary
-SUMTO = "soltesz@cs.princeton.edu"
-TECHEMAIL="tech-%s@sites.planet-lab.org"
-PIEMAIL="pi-%s@sites.planet-lab.org"
-SLICEMAIL="%s@slices.planet-lab.org"
-PLCEMAIL="support@planet-lab.org"
-
-#Thresholds (DAYS)
-SPERDAY = 86400
-PITHRESH = 7 * SPERDAY
-SLICETHRESH = 7 * SPERDAY
-# Days before attempting rins again
-RINSTHRESH = 5 * SPERDAY
-
-# Days before calling the node dead.
-DEADTHRESH = 30 * SPERDAY
-# Minimum number of nodes up before squeezing
-MINUP = 2
-
-TECH=1
-PI=2
-USER=4
-ADMIN=8
-
-# IF:
-#  no SSH, down.
-#  bad disk, down
-#  DNS, kinda down (sick)
-#  clock, kinda down (sick)
-#  Full disk, going to be down
-
-# Actions:
-#  Email
-#  suspend slice creation
-#  kill slices
-def array_to_priority_map(array):
-       """ Create a mapping where each entry of array is given a priority equal
-       to its position in the array.  This is useful for subsequent use in the
-       cmpMap() function."""
-       map = {}
-       count = 0
-       for i in array:
-               map[i] = count
-               count += 1
-       return map
-
-def getdebug():
-       return config.debug
-
-class Merge(Thread):
-       def __init__(self, l_merge, toRT):
-               self.toRT = toRT
-               self.merge_list = l_merge
-               # the hostname to loginbase mapping
-               self.plcdb_hn2lb = soltesz.dbLoad("plcdb_hn2lb")
-
-               # Previous actions taken on nodes.
-               self.act_all = soltesz.if_cached_else(1, "act_all", lambda : {})
-               self.findbad = soltesz.if_cached_else(1, "findbad", lambda : {})
-
-               self.cache_all = soltesz.if_cached_else(1, "act_all", lambda : {})
-               self.sickdb = {}
-               self.mergedb = {}
-               Thread.__init__(self)
-
-       def run(self):
-               # populate sickdb
-               self.accumSickSites()
-               # read data from findbad and act_all
-               self.mergeActionsAndBadDB()
-               # pass node_records to RT
-               self.sendToRT()
-
-       def accumSickSites(self):
-               """
-               Take all nodes, from l_diagnose, look them up in the act_all database, 
-               and insert them into sickdb[] as:
-
-                       sickdb[loginbase][nodename] = fb_record
-               """
-               # look at all problems reported by findbad
-               l_nodes = self.findbad['nodes'].keys()
-               count = 0
-               for nodename in l_nodes:
-                       if nodename not in self.merge_list:
-                               continue                # skip this node, since it's not wanted
-
-                       count += 1
-                       loginbase = self.plcdb_hn2lb[nodename]
-                       values = self.findbad['nodes'][nodename]['values']
-
-                       fb_record = {}
-                       fb_record['nodename'] = nodename
-                       fb_record['category'] = values['category']
-                       fb_record['state'] = values['state']
-                       fb_record['comonstats'] = values['comonstats']
-                       fb_record['kernel'] = self.getKernel(values['kernel'])
-                       fb_record['stage'] = "findbad"
-                       fb_record['message'] = None
-                       fb_record['bootcd'] = values['bootcd']
-                       fb_record['args'] = None
-                       fb_record['info'] = None
-                       fb_record['time'] = time.time()
-                       fb_record['date_created'] = time.time()
-
-                       if loginbase not in self.sickdb:
-                               self.sickdb[loginbase] = {}
-
-                       self.sickdb[loginbase][nodename] = fb_record
-
-               print "Found %d nodes" % count
-
-       def getKernel(self, unamestr):
-               s = unamestr.split()
-               if len(s) > 2:
-                       return s[2]
-               else:
-                       return ""
-
-       def mergeActionsAndBadDB(self): 
-               """
-               - Look at the sick node_records as reported in findbad, 
-               - Then look at the node_records in act_all.  
-
-               There are four cases:
-               1) Problem in findbad, no problem in act_all
-                       this ok, b/c it just means it's a new problem
-               2) Problem in findbad, problem in act_all
-                       -Did the problem get better or worse?  
-                               -If Same, or Worse, then continue looking for open tickets.
-                               -If Better, or No problem, then "back-off" penalties.
-                                       This judgement may need to wait until 'Diagnose()'
-
-               3) No problem in findbad, problem in act_all
-                       The the node is operational again according to Findbad()
-
-               4) No problem in findbad, no problem in act_all
-                       There won't be a record in either db, so there's no code.
-               """
-
-               sorted_sites = self.sickdb.keys()
-               sorted_sites.sort()
-               # look at all problems reported by findbad
-               for loginbase in sorted_sites:
-                       d_fb_nodes = self.sickdb[loginbase]
-                       sorted_nodes = d_fb_nodes.keys()
-                       sorted_nodes.sort()
-                       for nodename in sorted_nodes:
-                               fb_record = self.sickdb[loginbase][nodename]
-                               x = fb_record
-                               if loginbase not in self.mergedb:
-                                       self.mergedb[loginbase] = {}
-
-                               # We must compare findbad state with act_all state
-                               if nodename not in self.act_all:
-                                       # 1) ok, b/c it's a new problem. set ticket_id to null
-                                       self.mergedb[loginbase][nodename] = {} 
-                                       self.mergedb[loginbase][nodename].update(x)
-                                       self.mergedb[loginbase][nodename]['ticket_id'] = ""
-                                       self.mergedb[loginbase][nodename]['prev_category'] = None
-                               else: 
-                                       y = self.act_all[nodename][0]
-
-                                       # skip if end-stage
-                                       if 'stage' in y and "monitor-end-record" in y['stage']:
-                                               continue
-
-                                       # for legacy actions
-                                       if 'bucket' in y and y['bucket'][0] == 'dbg':
-                                               # Only bootcd debugs made it to the act_all db.
-                                               y['prev_category'] = "OLDBOOTCD"
-                                       elif 'bucket' in y and y['bucket'][0] == 'down':
-                                               y['prev_category'] = "ERROR"
-                                       elif 'bucket' not in y:
-                                               # for all other actions, just carry over the
-                                               # previous category
-                                               y['prev_category'] = y['category']
-                                       else:
-                                               print "UNKNOWN state for record: %s" % y
-                                               sys.exit(1)
-                                       # determine through translation, if the buckets match
-                                       #if 'category' in y and x['category'] == y['category']:
-                                       #       b_match = True
-                                       #elif x['category'] == "OLDBOOTCD" and y['bucket'][0] == 'dbg':
-                                       #       b_match = True
-                                       #elif x['category'] == "ERROR" and y['bucket'][0] == 'down':
-                                       #       b_match = True
-                                       #else:
-                                       #       b_match = False
-
-                                       #if b_match: 
-                                       #       # 2b) ok, b/c they agree that there's still a problem..
-                                       #       # 2b) Comon & Monitor still agree; RT ticket?
-                                       #       y['prev_category'] = y['category']
-                                       #else:
-                                       #       # 2a) mismatch, need a policy for how to resolve
-                                       #       #     resolution will be handled in __diagnoseNode()
-                                       #       #         for now just record the two categories.
-                                       #       #if x['category'] == "PROD" and x['state'] == "BOOT" and \
-                                       #       # ( y['bucket'][0] == 'down' or  y['bucket'][0] == 'dbg'):
-                                       #       print "FINDBAD and MONITOR have a mismatch: %s vs %s" % \
-                                       #                               (x['category'], y['bucket'])
-
-
-                                       self.mergedb[loginbase][nodename] = {}
-                                       self.mergedb[loginbase][nodename].update(y)
-                                       self.mergedb[loginbase][nodename]['comonstats'] = x['comonstats']
-                                       self.mergedb[loginbase][nodename]['category']   = x['category']
-                                       self.mergedb[loginbase][nodename]['state'] = x['state']
-                                       self.mergedb[loginbase][nodename]['kernel']=x['kernel']
-                                       self.mergedb[loginbase][nodename]['bootcd']=x['bootcd']
-                                       # delete the entry from cache_all to keep it out of case 3)
-                                       del self.cache_all[nodename]
-
-               # 3) nodes that remin in cache_all were not identified by findbad.
-               #        Do we keep them or not?
-               #   NOTE: i think that since the categories are performed before this
-               #               step now, and by a monitor-controlled agent.
-
-               # TODO: This does not work correctly.  Do we need this? 
-               #for hn in self.cache_all.keys():
-               #       y = self.act_all[hn][0]
-               #       if 'monitor' in y['bucket']:
-               #               loginbase = self.plcdb_hn2lb[hn] 
-               #               if loginbase not in self.sickdb:
-               #                       self.sickdb[loginbase] = {}
-               #               self.sickdb[loginbase][hn] = y
-               #       else:
-               #               del self.cache_all[hn]
+from optparse import OptionParser
 
-               print "len of cache_all: %d" % len(self.cache_all.keys())
-               return
+from monitor import config
+from monitor import parser as parsermodule
+from monitor.common import *
+from monitor.model import *
+from monitor.wrapper import plc
+from monitor.wrapper import plccache
+from monitor.database.info.model import *
+from monitor.database.info.interface import *
 
-       def sendToRT(self):
-               sorted_sites = self.mergedb.keys()
-               sorted_sites.sort()
-               # look at all problems reported by merge
-               for loginbase in sorted_sites:
-                       d_merge_nodes = self.mergedb[loginbase]
-                       for nodename in d_merge_nodes.keys():
-                               record = self.mergedb[loginbase][nodename]
-                               self.toRT.put(record)
+from nodequery import verify,query_to_dict,node_select
 
-               # send signal to stop reading
-               self.toRT.put(None)
-               return
+api = plc.getAuthAPI()
 
-class Diagnose(Thread):
-       def __init__(self, fromRT):
-               self.fromRT = fromRT
-               self.plcdb_hn2lb = soltesz.dbLoad("plcdb_hn2lb")
+def logic():
 
-               self.diagnose_in = {}
-               self.diagnose_out = {}
-               Thread.__init__(self)
-
-       def print_stats(self, key, stats):
-               print "%20s : %d" % (key, stats[key])
-
-       def run(self):
-               self.accumSickSites()
-
-               print "Accumulated %d sick sites" % len(self.diagnose_in.keys())
-               logger.debug("Accumulated %d sick sites" % len(self.diagnose_in.keys()))
+       plc.nodeBootState(host, 'reinstall')
+       node_end_record(host)
 
+def main(hostnames, sitenames):
+       # commands:
+       i = 1
+       node_count = 1
+       site_count = 1
+       #print "hosts: %s" % hostnames
+       for i,host in enumerate(hostnames):
                try:
-                       stats = self.diagnoseAll()
-               except Exception, err:
-                       print "----------------"
-                       import traceback
-                       print traceback.print_exc()
-                       print err
-                       #if config.policysavedb:
-                       sys.exit(1)
-
-               self.print_stats("sites", stats)
-               self.print_stats("sites_diagnosed", stats)
-               self.print_stats("nodes_diagnosed", stats)
-
-               if config.policysavedb:
-                       print "Saving Databases... diagnose_out"
-                       soltesz.dbDump("diagnose_out", self.diagnose_out)
-
-       def accumSickSites(self):
-               """
-               Take all nodes, from l_diagnose, look them up in the diagnose_out database, 
-               and insert them into diagnose_in[] as:
-
-                       diagnose_in[loginbase] = [diag_node1, diag_node2, ...]
-               """
-               while 1:
-                       node_record = self.fromRT.get(block = True)
-                       if node_record == None:
-                               break;
-
-                       nodename = node_record['nodename']
-                       loginbase = self.plcdb_hn2lb[nodename]
-
-                       if loginbase not in self.diagnose_in:
-                               self.diagnose_in[loginbase] = {}
-
-                       self.diagnose_in[loginbase][nodename] = node_record
-
-               return
-
-       def diagnoseAll(self):
-               i_sites = 0
-               i_sites_diagnosed = 0
-               i_nodes_diagnosed = 0
-               i_nodes_actedon = 0
-               i_sites_emailed = 0
-               l_allsites = []
-
-               sorted_sites = self.diagnose_in.keys()
-               sorted_sites.sort()
-               l_diagnosed_all = []
-               for loginbase in sorted_sites:
-                       l_allsites += [loginbase]
-
-                       d_diag_nodes = self.diagnose_in[loginbase]
-                       l_diag_records = self.__diagnoseSite(loginbase, d_diag_nodes)
-                       l_diagnosed_all += l_diag_records
-                       
-                       if len(l_diag_records) > 0:
-                               i_nodes_diagnosed += len(l_diag_records)
-                               i_sites_diagnosed += 1
-                       i_sites += 1
-
-               self.diagnose_out= {}
-               for diag_record in l_diagnosed_all:
-                       nodename = diag_record['nodename']
-                       loginbase = self.plcdb_hn2lb[nodename]
-
-                       if loginbase not in self.diagnose_out:
-                               self.diagnose_out[loginbase] = {}
-
-                       self.diagnose_out[loginbase][nodename] = diag_record
-
-               return {'sites': i_sites, 
-                               'sites_diagnosed': i_sites_diagnosed, 
-                               'nodes_diagnosed': i_nodes_diagnosed, 
-                               'allsites':l_allsites}
-
-               pass
-               
-       def __getDaysDown(self, diag_record, nodename):
-               daysdown = -1
-               if diag_record['comonstats']['sshstatus'] != "null":
-                       daysdown = int(diag_record['comonstats']['sshstatus']) // (60*60*24)
-               elif diag_record['comonstats']['lastcotop'] != "null":
-                       daysdown = int(diag_record['comonstats']['lastcotop']) // (60*60*24)
-               else:
-                       daysdown = -1
-               return daysdown
-
-       def __getStrDaysDown(self, diag_record, nodename):
-               daysdown = self.__getDaysDown(diag_record, nodename)
-               if daysdown > 0:
-                       return "(%d days down)"%daysdown
-               else:
-                       return "Unknown number of days"
-
-       def __getCDVersion(self, diag_record, nodename):
-               cdversion = ""
-               #print "Getting kernel for: %s" % diag_record['nodename']
-               cdversion = diag_record['kernel']
-               return cdversion
-
-       def __diagnoseSite(self, loginbase, d_diag_nodes):
-               """
-               rec_sitelist is a diagnose_in entry: 
-               """
-               diag_list = []
-               sorted_nodes = d_diag_nodes.keys()
-               sorted_nodes.sort()
-               for nodename in sorted_nodes:
-                       node_record = d_diag_nodes[nodename]
-                       diag_record = self.__diagnoseNode(loginbase, node_record)
-
-                       if diag_record != None:
-                               diag_list += [ diag_record ]
-
-               return diag_list
-
-       def diagRecordByCategory(self, node_record):
-               nodename = node_record['nodename']
-               category = node_record['category']
-               state    = node_record['state']
-               loginbase = self.plcdb_hn2lb[nodename]
-               diag_record = None
-
-               if  "ERROR" in category:        # i.e. "DOWN"
-                       diag_record = {}
-                       diag_record.update(node_record)
-                       daysdown = self.__getDaysDown(diag_record, nodename) 
-                       if daysdown >= 0 and daysdown < 7:
-                               format = "DIAG: %20s : %-40s Down only %s days  NOTHING DONE"
-                               print format % (loginbase, nodename, daysdown)
-                               return None
-
-                       s_daysdown = self.__getStrDaysDown(diag_record, nodename)
-                       diag_record['message'] = emailTxt.mailtxt.newdown
-                       diag_record['args'] = {'nodename': nodename}
-                       diag_record['info'] = (nodename, s_daysdown, "")
-                       diag_record['log'] = "DOWN: %20s : %-40s == %20s %s" % \
-                                       (loginbase, nodename, diag_record['info'], diag_record['ticket_id']),
-
-               elif "OLDBOOTCD" in category:
-                       # V2 boot cds as determined by findbad
-                       s_daysdown = self.__getStrDaysDown(node_record, nodename)
-                       s_cdversion = self.__getCDVersion(node_record, nodename)
-                       diag_record = {}
-                       diag_record.update(node_record)
-                       #if "2.4" in diag_record['kernel'] or "v2" in diag_record['bootcd']:
-                       diag_record['message'] = emailTxt.mailtxt.newbootcd
-                       diag_record['args'] = {'nodename': nodename}
-                       diag_record['info'] = (nodename, s_daysdown, s_cdversion)
-                       diag_record['log'] = "BTCD: %20s : %-40s == %20s %20s %s" % \
-                                                                       (loginbase, nodename, diag_record['kernel'], 
-                                                                        diag_record['bootcd'], diag_record['ticket_id']),
-
-               elif "PROD" in category:
-                       if "DEBUG" in state:
-                               # Not sure what to do with these yet.  Probably need to
-                               # reboot, and email.
-                               print "DEBG: %20s : %-40s  NOTHING DONE" % (loginbase, nodename)
-                               return None
-                       elif "BOOT" in state:
-                               # no action needed.
-                               # TODO: remove penalties, if any are applied.
-                               if 'improvement' in node_record['stage']:
-                                       # then we need to pass this on to 'action'
-                                       diag_record = {}
-                                       diag_record.update(node_record)
-                                       diag_record['message'] = emailTxt.mailtxt.newthankyou
-                                       diag_record['args'] = {'nodename': nodename}
-                                       diag_record['info'] = (nodename, node_record['prev_category'], 
-                                                                                                        node_record['category'])
-                                       diag_record['log'] = "IMPR: %20s : %-40s == %20s %20s %s" % \
-                                                                       (loginbase, nodename, diag_record['stage'], 
-                                                                        state, category),
-                                       return diag_record
-                               else:
-                                       return None
-                       else:
-                               # unknown
-                               pass
-               elif "ALPHA"    in category:
-                       pass
-               elif "clock_drift" in category:
-                       pass
-               elif "dns"    in category:
-                       pass
-               elif "filerw"    in category:
-                       pass
-               else:
-                       print "Unknown category!!!! %s" % category
-                       sys.exit(1)
-
-               return diag_record
-
-       def __diagnoseNode(self, loginbase, node_record):
-               # TODO: change the format of the hostname in this 
-               #               record to something more natural.
-               nodename          = node_record['nodename']
-               category          = node_record['category']
-               prev_category = node_record['prev_category']
-               state             = node_record['state']
-
-               val = cmpCategoryVal(category, prev_category)
-               if val == -1:
-                       # current category is worse than previous, carry on
-                       pass
-               elif val == 1:
-                       # current category is better than previous
-                       # TODO: too generous for now, but will be handled correctly
-                       node_record['stage'] = 'improvement'
-               else:
-                       #values are equal, carry on.
-                       pass
-                       
-               #### COMPARE category and prev_category
-               # if not_equal
-               #       then assign a stage based on relative priorities
-               # else equal
-               #       then check category for stats.
-               diag_record = self.diagRecordByCategory(node_record)
-               if diag_record == None:
-                       return None
-
-               #### found_RT_ticket
-               # TODO: need to record time found, and maybe add a stage for acting on it...
-               if 'found_rt_ticket' in diag_record and \
-                       diag_record['found_rt_ticket'] is not None:
-                       if diag_record['stage'] is not 'improvement':
-                               diag_record['stage'] = 'ticket_waitforever'
+                       lb = plccache.plcdb_hn2lb[host]
+               except:
+                       print "unknown host in plcdb_hn2lb %s" % host
+                       email_exception(host)
+                       continue
+
+               nodeblack = BlacklistRecord.get_by(hostname=host)
+
+               if nodeblack and not nodeblack.expired():
+                       print "skipping %s due to blacklist.  will expire %s" % (host, nodeblack.willExpire() )
+                       continue
+
+               sitehist = SiteInterface.get_or_make(loginbase=lb)
+
+               recent_actions = sitehist.getRecentActions(hostname=host)
+
+               nodehist = HistoryNodeRecord.findby_or_create(hostname=host)
+
+               print "%s %s %s" % (i, nodehist.hostname, nodehist.status)
+               if nodehist.status == 'good' and \
+                       changed_lessthan(nodehist.last_changed, 1.0) and \
+                       found_within(recent_actions, 'down_notice', 7.0) and \
+                       not found_within(recent_actions, 'online_notice', 0.5):
+                               # NOTE: chronicly flapping nodes will not get 'online' notices
+                               #               since, they are never up long enough to be 'good'.
+                           # NOTE: searching for down_notice proves that the node has
+                               #               gone through a 'down' state first, rather than just
+                               #               flapping through: good, offline, online, ...
+                               #       
+                               # NOTE: there is a narrow window in which this command must be
+                               #               evaluated, otherwise the notice will not go out.  
+                               #               this is not ideal.
+                               sitehist.sendMessage('online_notice', hostname=host, viart=False, saveact=True)
+                               print "send message for host %s online" % host
+
+
+               # if a node is offline and doesn't have a PCU, remind the user that they should have one.
+               #if not nodehist.haspcu and nodehist.status in ['offline', 'down'] and \
+               #       changed_greaterthan(nodehist.last_changed,1.0) and \
+               #       not found_within(recent_actions, 'pcumissing_notice', 7.0):
+               #
+               #               sitehist.sendMessage('pcumissing_notice', hostname=host)
+               #               print "send message for host %s pcumissing_notice" % host
+
+               # if it is offline and HAS a PCU, then try to use it.
+               if nodehist.haspcu and nodehist.status in ['offline', 'down'] and \
+                       changed_greaterthan(nodehist.last_changed,1.0) and \
+                       not nodehist.firewall and \
+                       not found_between(recent_actions, 'try_reboot', 3.5, 1):
+
+                               # TODO: there MUST be a better way to do this... 
+                               # get fb node record for pcuid
+                               fbpcu = None
+                               fbnode = FindbadNodeRecord.get_latest_by(hostname=host)
+                               if fbnode:
+                                       fbpcu = FindbadPCURecord.get_latest_by(plc_pcuid=fbnode.plc_pcuid)
+
+                               sitehist.attemptReboot(host)
+                               print "send message for host %s try_reboot" % host
+                               if not fbpcu.test_is_ok() and \
+                                       not found_within(recent_actions, 'pcuerror_notice', 3.0):
+
+                                       args = {}
+                                       if fbpcu:
+                                               args['pcu_name'] = fbpcu.pcu_name()
+                                               args['pcu_errors'] = fbpcu.pcu_errors()
+                                       else:
+                                               args['pcu_name'] = "error looking up pcu name"
+                                               args['pcu_errors'] = ""
+
+                                       args['hostname'] = host
+                                       sitehist.sendMessage('pcuerror_notice', **args)
+                                       print "send message for host %s PCU Failure" % host
+                                       
+
+               # NOTE: non-intuitive is that found_between(try_reboot, 3.5, 1)
+               #               will be false for a day after the above condition is satisfied
+               if nodehist.haspcu and nodehist.status in ['offline', 'down'] and \
+                       changed_greaterthan(nodehist.last_changed,1.5) and \
+                       not nodehist.firewall and \
+                       found_between(recent_actions, 'try_reboot', 3.5, 1) and \
+                       not found_within(recent_actions, 'pcufailed_notice', 3.5):
                                
-               current_time = time.time()
-               delta = current_time - diag_record['time']
-
-               message = diag_record['message']
-               act_record = {}
-               act_record.update(diag_record)
-
-               #### DIAGNOSE STAGES 
-               #print "%s has stage %s" % (nodename, diag_record['stage'])
-               if   'findbad' in diag_record['stage']:
-                       # The node is bad, and there's no previous record of it.
-                       act_record['email'] = TECH              # addative emails
-                       act_record['action'] = 'noop'
-                       act_record['message'] = message[0]
-                       act_record['stage'] = 'stage_actinoneweek'
-
-               elif 'improvement' in diag_record['stage']:
-                       # - backoff previous squeeze actions (slice suspend, nocreate)
-                       # TODO: add a backoff_squeeze section... Needs to runthrough
-                       act_record['action'] = 'close_rt'
-                       act_record['message'] = message[0]
-                       act_record['stage'] = 'monitor-end-record'
-
-               elif 'actinoneweek' in diag_record['stage']:
-                       act_record['email'] = TECH | PI         # addative emails
-                       if delta >= 7 * SPERDAY: 
-                               act_record['stage'] = 'stage_actintwoweeks'
-                               act_record['message'] = message[1]
-                               act_record['action'] = 'nocreate' 
-                       elif delta >= 3* SPERDAY and not 'second-mail-at-oneweek' in act_record:
-                               act_record['message'] = message[1]
-                               act_record['action'] = 'sendmailagain-waitforoneweekaction' 
-                               act_record['second-mail-at-oneweek'] = True
-                       else:
-                               act_record['message'] = None
-                               act_record['action'] = 'waitforoneweekaction' 
-
-               elif 'actintwoweeks' in diag_record['stage']:
-                       act_record['email'] = TECH | PI | USER          # addative emails
-                       if delta >= 14 * SPERDAY:
-                               act_record['stage'] = 'stage_waitforever'
-                               act_record['message'] = message[2]
-                               act_record['action'] = 'suspendslices'
-                               act_record['time'] = current_time               # reset clock for waitforever
-                       elif delta >= 10* SPERDAY and not 'second-mail-at-twoweeks' in act_record:
-                               act_record['message'] = message[2]
-                               act_record['action'] = 'sendmailagain-waitfortwoweeksaction' 
-                               act_record['second-mail-at-twoweeks'] = True
-                       else:
-                               act_record['message'] = None
-                               act_record['action'] = 'waitfortwoweeksaction'
-
-               elif 'ticket_waitforever' in diag_record['stage']:
-                       act_record['email'] = TECH
-                       if 'first-found' not in act_record:
-                               act_record['first-found'] = True
-                               act_record['action'] = 'ticket_waitforever'
-                               act_record['message'] = None
-                               act_record['time'] = current_time
-                       else:
-                               if delta >= 7*SPERDAY:
-                                       act_record['action'] = 'email-againticket_waitforever'
-                                       act_record['message'] = message[0]
-                                       act_record['time'] = current_time               # reset clock
+                               # TODO: there MUST be a better way to do this... 
+                               # get fb node record for pcuid
+                               fbpcu = None
+                               fbnode = FindbadNodeRecord.get_latest_by(hostname=host)
+                               if fbnode:
+                                       fbpcu = FindbadPCURecord.get_latest_by(plc_pcuid=fbnode.plc_pcuid)
+                               if fbpcu:
+                                       pcu_name = fbpcu.pcu_name()
                                else:
-                                       act_record['action'] = 'ticket_waitforever'
-                                       act_record['message'] = None
-
-               elif 'waitforever' in diag_record['stage']:
-                       # more than 3 days since last action
-                       # TODO: send only on weekdays.
-                       # NOTE: expects that 'time' has been reset before entering waitforever stage
-                       if delta >= 3*SPERDAY:
-                               act_record['action'] = 'email-againwaitforever'
-                               act_record['message'] = message[0]
-                               act_record['time'] = current_time               # reset clock
-                       else:
-                               act_record['action'] = 'waitforever'
-                               act_record['message'] = None
-
-               else:
-                       # There is no action to be taken, possibly b/c the stage has
-                       # already been performed, but diagnose picked it up again.
-                       # two cases, 
-                       #       1. stage is unknown, or 
-                       #       2. delta is not big enough to bump it to the next stage.
-                       # TODO: figure out which. for now assume 2.
-                       print "UNKNOWN!!? %s" % nodename
-                       act_record['action'] = 'unknown'
-                       act_record['message'] = message[0]
-                       print "Exiting..."
-                       sys.exit(1)
-
-               print "%s" % act_record['log'],
-               print "%15s" % act_record['action']
-               return act_record
-
-
-class SiteAction:
-       def __init__(self, parameter_names=['hostname', 'ticket_id']):
-               self.parameter_names = parameter_names
-       def checkParam(self, args):
-               for param in self.parameter_names:
-                       if param not in args:
-                               raise Exception("Parameter %s not provided in args"%param)
-       def run(self, args):
-               self.checkParam(args)
-               return self._run(args)
-       def _run(self, args):
-               pass
-
-class SuspendAction(SiteAction):
-       def _run(self, args):
-               return plc.suspendSlices(args['hostname'])
-
-class RemoveSliceCreation(SiteAction):
-       def _run(self, args):
-               return plc.removeSliceCreation(args['hostname'])
-
-class BackoffActions(SiteAction):
-       def _run(self, args):
-               plc.enableSlices(args['hostname'])
-               plc.enableSliceCreation(args['hostname'])
-               return True
-
-# TODO: create class for each action below, 
-#              allow for lists of actions to be performed...
-
-def close_rt_backoff(args):
-       mailer.closeTicketViaRT(args['ticket_id'], "Ticket CLOSED automatically by SiteAssist.")
-       plc.enableSlices(args['hostname'])
-       plc.enableSliceCreation(args['hostname'])
-       return
-
-class Action(Thread):
-       def __init__(self, l_action):
-               self.l_action = l_action
-
-               # the hostname to loginbase mapping
-               self.plcdb_hn2lb = soltesz.dbLoad("plcdb_hn2lb")
-
-               # Actions to take.
-               self.diagnose_db = soltesz.if_cached_else(1, "diagnose_out", lambda : {})
-               # Actions taken.
-               self.act_all   = soltesz.if_cached_else(1, "act_all", lambda : {})
-
-               # A dict of actions to specific functions. PICKLE doesnt' like lambdas.
-               self.actions = {}
-               self.actions['suspendslices'] = lambda args: plc.suspendSlices(args['hostname'])
-               self.actions['nocreate'] = lambda args: plc.removeSliceCreation(args['hostname'])
-               self.actions['close_rt'] = lambda args: close_rt_backoff(args)
-               self.actions['rins'] = lambda args: plc.nodeBootState(args['hostname'], "rins") 
-               self.actions['noop'] = lambda args: args
-               self.actions['ticket_waitforever'] = lambda args: args
-               self.actions['waitforever'] = lambda args: args
-               self.actions['unknown'] = lambda args: args
-               self.actions['waitforoneweekaction'] = lambda args: args
-               self.actions['waitfortwoweeksaction'] = lambda args: args
-               self.actions['sendmailagain-waitforoneweekaction'] = lambda args: args
-               self.actions['sendmailagain-waitfortwoweeksaction'] = lambda args: args
-               self.actions['email-againwaitforever'] = lambda args: args
-               self.actions['email-againticket_waitforever'] = lambda args: args
-                               
-
-               self.sickdb = {}
-               Thread.__init__(self)
-
-       def run(self):
-               self.accumSites()
-               print "Accumulated %d sick sites" % len(self.sickdb.keys())
-               logger.debug("Accumulated %d sick sites" % len(self.sickdb.keys()))
-
-               try:
-                       stats = self.analyseSites()
-               except Exception, err:
-                       print "----------------"
-                       import traceback
-                       print traceback.print_exc()
-                       print err
-                       if config.policysavedb:
-                               print "Saving Databases... act_all"
-                               soltesz.dbDump("act_all", self.act_all)
-                       sys.exit(1)
-
-               self.print_stats("sites", stats)
-               self.print_stats("sites_diagnosed", stats)
-               self.print_stats("nodes_diagnosed", stats)
-               self.print_stats("sites_emailed", stats)
-               self.print_stats("nodes_actedon", stats)
-               print string.join(stats['allsites'], ",")
-
-               if config.policysavedb:
-                       print "Saving Databases... act_all"
-                       #soltesz.dbDump("policy.eventlog", self.eventlog)
-                       # TODO: remove 'diagnose_out', 
-                       #       or at least the entries that were acted on.
-                       soltesz.dbDump("act_all", self.act_all)
-
-       def accumSites(self):
-               """
-               Take all nodes, from l_action, look them up in the diagnose_db database, 
-               and insert them into sickdb[] as:
-
-               This way only the given l_action nodes will be acted on regardless
-               of how many from diagnose_db are available.
-
-                       sickdb[loginbase][nodename] = diag_record
-               """
-               # TODO: what if l_action == None ?
-               for nodename in self.l_action:
-
-                       loginbase = self.plcdb_hn2lb[nodename]
-
-                       if loginbase in self.diagnose_db and \
-                               nodename in self.diagnose_db[loginbase]:
-
-                               diag_record = self.diagnose_db[loginbase][nodename]
-
-                               if loginbase not in self.sickdb:
-                                       self.sickdb[loginbase] = {}
-
-                               self.sickdb[loginbase][nodename] = diag_record
-               return
-
-       def __emailSite(self, loginbase, roles, message, args):
-               """
-               loginbase is the unique site abbreviation, prepended to slice names.
-               roles contains TECH, PI, USER roles, and derive email aliases.
-               record contains {'message': [<subj>,<body>], 'args': {...}} 
-               """
-               ticket_id = 0
-               args.update({'loginbase':loginbase})
-
-               if not config.mail and not config.debug and config.bcc:
-                       roles = ADMIN
-               if config.mail and config.debug:
-                       roles = ADMIN
-
-               # build targets
-               contacts = []
-               if ADMIN & roles:
-                       contacts += [config.email]
-               if TECH & roles:
-                       contacts += [TECHEMAIL % loginbase]
-               if PI & roles:
-                       contacts += [PIEMAIL % loginbase]
-               if USER & roles:
-                       slices = plc.slices(loginbase)
-                       if len(slices) >= 1:
-                               for slice in slices:
-                                       contacts += [SLICEMAIL % slice]
-                               print "SLIC: %20s : %d slices" % (loginbase, len(slices))
-                       else:
-                               print "SLIC: %20s : 0 slices" % loginbase
-
-               try:
-                       subject = message[0] % args
-                       body = message[1] % args
-                       if ADMIN & roles:
-                               # send only to admin
-                               if 'ticket_id' in args:
-                                       subj = "Re: [PL #%s] %s" % (args['ticket_id'], subject)
-                               else:
-                                       subj = "Re: [PL noticket] %s" % subject
-                               mailer.email(subj, body, contacts)
-                               ticket_id = args['ticket_id']
-                       else:
-                               #if 'ticket_id' in args and 'ticket_id' != "":
-                               #       # Reformat Subject to include Ticket_ID for RT
-                               #       subj = "Re: [PL #%s] %s" % (args['ticket_id'], subject)
-                               #       # RT remembers old contacts, so only add new users
-                               #       mailer.email(subj, body, ['monitor@planet-lab.org'] + contacts)
-                               #       ticket_id = args['ticket_id']
-                               #else:
-                               #       ticket_id = mailer.emailViaRT(subject, body, contacts)  
-                               ticket_id = mailer.emailViaRT(subject, body, contacts, args['ticket_id'])
-               except Exception, err:
-                       print "exception on message:"
-                       import traceback
-                       print traceback.print_exc()
-                       print message
-
-               return ticket_id
-
-
-       def _format_diaginfo(self, diag_node):
-               info = diag_node['info']
-               if diag_node['stage'] == 'monitor-end-record':
-                       hlist = "    %s went from '%s' to '%s'\n" % (info[0], info[1], info[2]) 
-               else:
-                       hlist = "    %s %s - %s\n" % (info[0], info[2], info[1]) #(node,ver,daysdn)
-               return hlist
-
-       def __actOnSite(self, loginbase, site_record):
-               i_nodes_actedon = 0
-               i_nodes_emailed = 0
-               b_squeeze = config.squeeze
-
-               act_recordlist = []
-
-               for nodename in site_record.keys():
-                       diag_record = site_record[nodename]
-                       act_record  = self.__actOnNode(diag_record)
-                       act_recordlist += [act_record]
-
-               count_up = self.currentUpAtSite(loginbase)
-               if count_up < MINUP:
-                       print "SITE: %20s : %d nodes up" % (loginbase, count_up)
-               else:
-                       print "SITE: %20s : %d nodes up" % (loginbase, count_up)
-                       # There may be a second penalty regardless of which stage it's in.
-                       # TODO: check how long this has occurred.
-
-               email_args = {}
-               email_args['hostname_list'] = ""
-               for act_record in act_recordlist:
-                       email_args['hostname_list'] += act_record['msg_format']
-                       email_args['hostname'] = act_record['nodename']
-                       if 'ticket_id' in act_record:
-                               email_args['ticket_id'] = act_record['ticket_id']
-
-               # Send email, perform node action
-               # TODO: only send one email per site for a given problem...
-               if len(act_recordlist) > 0:
-                       act_record = act_recordlist[0]
-
-                       # send message before squeezing, b/c 
-                       if act_record['message'] != None:
-                               ticket_id = self.__emailSite(loginbase, act_record['email'], 
-                                                        act_record['message'], email_args)
-
-                               # Add ticket_id to ALL nodenames
-                               for act_record in act_recordlist:
-                                       nodename = act_record['nodename']
-                                       # update node record with RT ticket_id
-                                       self.act_all[nodename][0]['ticket_id'] = "%s" % ticket_id
-                                       if config.mail: i_nodes_emailed += 1
-
-                       # TODO: perform the most severe action?
-                       if b_squeeze:
-                               act_key = act_record['action']
-                               self.actions[act_key](email_args)
-                               i_nodes_actedon += 1
-               
-               if config.policysavedb:
-                       print "Saving Databases... act_all, diagnose_out"
-                       soltesz.dbDump("act_all", self.act_all)
-                       # remove site record from diagnose_out, it's in act_all as done.
-                       del self.diagnose_db[loginbase]
-                       soltesz.dbDump("diagnose_out", self.diagnose_db)
-
-               print "Hit enter to continue..."
+                                       pcu_name = "error looking up pcu name"
+
+                               # get fb pcu record for pcuid
+                               # send pcu failure message
+                               sitehist.sendMessage('pcufailed_notice', hostname=host, pcu_name=pcu_name)
+                               print "send message for host %s PCU Failure" % host
+
+               if nodehist.status == 'failboot' and \
+                       changed_greaterthan(nodehist.last_changed, 0.25) and \
+                       not found_between(recent_actions, 'bootmanager_restore', 0.5, 0):
+                               # send down node notice
+                               # delay 0.5 days before retrying...
+
+                               print "send message for host %s bootmanager_restore" % host
+                               sitehist.runBootManager(host)
+                       #       sitehist.sendMessage('retry_bootman', hostname=host)
+
+               if nodehist.status == 'down' and \
+                       changed_greaterthan(nodehist.last_changed, 2):
+                               if not nodehist.firewall and not found_within(recent_actions, 'down_notice', 3.5):
+                                       # send down node notice
+                                       sitehist.sendMessage('down_notice', hostname=host)
+                                       print "send message for host %s down" % host
+
+                               if nodehist.firewall and not found_within(recent_actions, 'firewall_notice', 3.5):
+                                       # send down node notice
+                                       #email_exception(host, "firewall_notice")
+                                       sitehist.sendMessage('firewall_notice', hostname=host)
+                                       print "send message for host %s down" % host
+
+               node_count = node_count + 1
+               print "time: ", time.strftime('%Y-%m-%d %H:%M:%S')
                sys.stdout.flush()
-               line = sys.stdin.readline()
-
-               return (i_nodes_actedon, i_nodes_emailed)
-
-       def __actOnNode(self, diag_record):
-               nodename = diag_record['nodename']
-               message = diag_record['message']
-               info    = diag_record['info']
-
-               act_record = {}
-               act_record.update(diag_record)
-               act_record['nodename'] = nodename
-               act_record['msg_format'] = self._format_diaginfo(diag_record)
-
-               print "%s" % act_record['log'],
-               print "%15s" % act_record['action']
-
-               if act_record['stage'] is not 'monitor-end-record':
-                       if nodename not in self.act_all: 
-                               self.act_all[nodename] = []
-
-                       self.act_all[nodename].insert(0,act_record)
+               session.flush()
+
+       for i,site in enumerate(sitenames):
+               sitehist = SiteInterface.get_or_make(loginbase=site)
+               siteblack = BlacklistRecord.get_by(loginbase=site)
+               skip_due_to_blacklist=False
+
+               if siteblack and not siteblack.expired():
+                       print "skipping %s due to blacklist.  will expire %s" % (site, siteblack.willExpire() )
+                       skip_due_to_blacklist=True
+                       sitehist.clearPenalty()
+                       sitehist.applyPenalty()
+                       continue
+
+               # TODO: make query only return records within a certin time range,
+               #               i.e. greater than 0.5 days ago. or 5 days, etc.
+               recent_actions = sitehist.getRecentActions(loginbase=site)
+
+               print "%s %s %s" % (i, sitehist.db.loginbase, sitehist.db.status)
+
+               # determine if there are penalties within the last 30 days?
+               # if so, add a 'pause_penalty' action.
+               if sitehist.db.message_id != 0 and sitehist.db.message_status == 'open' and \
+                       sitehist.db.penalty_level > 0 and not found_within(recent_actions, 'pause_penalty', 30):
+                       #       pause escalation
+                       print "Pausing penalties for %s" % site
+                       sitehist.pausePenalty()
                else:
-                       print "Not recording %s in act_all" % nodename
-
-               return act_record
 
-       def analyseSites(self):
-               i_sites = 0
-               i_sites_diagnosed = 0
-               i_nodes_diagnosed = 0
-               i_nodes_actedon = 0
-               i_sites_emailed = 0
-               l_allsites = []
+                       if sitehist.db.status == 'down':
+                               if  not found_within(recent_actions, 'pause_penalty', 30) and \
+                                       not found_within(recent_actions, 'increase_penalty', 7) and \
+                                       changed_greaterthan(sitehist.db.last_changed, 7):
 
-               sorted_sites = self.sickdb.keys()
-               sorted_sites.sort()
-               for loginbase in sorted_sites:
-                       site_record = self.sickdb[loginbase]
-                       
-                       i_nodes_diagnosed += len(site_record.keys())
-                       i_sites_diagnosed += 1
+                                       # TODO: catch errors
+                                       sitehist.increasePenalty()
+                                       sitehist.applyPenalty()
+                                       sitehist.sendMessage('increase_penalty')
 
-                       (na,ne) = self.__actOnSite(loginbase, site_record)
+                                       print "send message for site %s penalty increase" % site
 
-                       i_sites += 1
-                       i_nodes_actedon += na
-                       i_sites_emailed += ne
+                       if sitehist.db.status == 'good':
+                               # clear penalty
+                               # NOTE: because 'all clear' should have an indefinite status, we
+                               #               have a boolean value rather than a 'recent action'
+                               if sitehist.db.penalty_applied:
+                                       # send message that penalties are cleared.
 
-                       l_allsites += [loginbase]
+                                       sitehist.clearPenalty()
+                                       sitehist.applyPenalty()
+                                       sitehist.sendMessage('clear_penalty')
+                                       sitehist.closeTicket()
 
-               return {'sites': i_sites, 
-                               'sites_diagnosed': i_sites_diagnosed, 
-                               'nodes_diagnosed': i_nodes_diagnosed, 
-                               'sites_emailed': i_sites_emailed, 
-                               'nodes_actedon': i_nodes_actedon, 
-                               'allsites':l_allsites}
+                                       print "send message for site %s penalty cleared" % site
 
-       def print_stats(self, key, stats):
-               print "%20s : %d" % (key, stats[key])
 
+               site_count = site_count + 1
 
+               print "time: ", time.strftime('%Y-%m-%d %H:%M:%S')
+               sys.stdout.flush()
+               session.flush()
 
-       #"""
-       #Prints, logs, and emails status of up nodes, down nodes, and buckets.
-       #"""
-       #def status(self):
-       #       sub = "Monitor Summary"
-       #       msg = "\nThe following nodes were acted upon:  \n\n"
-       #       for (node, (type, date)) in self.emailed.items():
-       #               # Print only things acted on today.
-       #               if (time.gmtime(time.time())[2] == time.gmtime(date)[2]):
-       #                       msg +="%s\t(%s)\t%s\n" %(node, type, time.ctime(date))
-       #       msg +="\n\nThe following sites have been 'squeezed':\n\n"
-       #       for (loginbase, (date, type)) in self.squeezed.items():
-       #               # Print only things acted on today.
-       #               if (time.gmtime(time.time())[2] == time.gmtime(date)[2]):
-       #                       msg +="%s\t(%s)\t%s\n" %(loginbase, type, time.ctime(date))
-       #       mailer.email(sub, msg, [SUMTO])
-       #       logger.info(msg)
-       #       return 
-
-       #"""
-       #Store/Load state of emails.  When, where, what.
-       #"""
-       #def emailedStore(self, action):
-       #       try:
-       #               if action == "LOAD":
-       #                       f = open(DAT, "r+")
-       #                       logger.info("POLICY:  Found and reading " + DAT)
-       #                       self.emailed.update(pickle.load(f))
-       #               if action == "WRITE":
-       #                       f = open(DAT, "w")
-       #                       #logger.debug("Writing " + DAT)
-       #                       pickle.dump(self.emailed, f)
-       #               f.close()
-       #       except Exception, err:
-       #               logger.info("POLICY:  Problem with DAT, %s" %err)
-
-       """
-       Returns number of up nodes as the total number *NOT* in act_all with a
-       stage other than 'steady-state' .
-       """
-       def currentUpAtSite(self, loginbase):
-               allsitenodes = plc.getSiteNodes(loginbase)
-               if len(allsitenodes) == 0:
-                       logger.info("Site has no nodes or not in DB")
-                       print "Site has no nodes or not in DB"
-                       return
-
-               numnodes = len(allsitenodes)
-               sicknodes = []
-               # Get all sick nodes at this site
-               up = 0
-               down = 0
-               for node in allsitenodes:
-
-                       nodename = node
-                       if nodename in self.act_all: # [nodename]:
-                               rec = self.act_all[nodename][0]
-                               if rec['stage'] != "steady-state":
-                                       down += 1
-                               else:
-                                       up += 1
-                       else:
-                               up += 1
-
-               if up + down != numnodes:
-                       print "ERROR: %s total nodes up and down != %d" % (loginbase, numnodes)
-
-               return up
+       session.flush()
+       return
 
-#class Policy(Thread):
 
-def main():
-       print "policy.py is a module, not a script for running directly."
+if __name__ == "__main__":
+       parser = parsermodule.getParser(['nodesets'])
+       parser.set_defaults( timewait=0,
+                                               skip=0,
+                                               rins=False,
+                                               reboot=False,
+                                               findbad=False,
+                                               force=False, 
+                                               nosetup=False, 
+                                               verbose=False, 
+                                               quiet=False,)
+
+       parser.add_option("", "--stopselect", dest="stopselect", metavar="", 
+                                               help="The select string that must evaluate to true for the node to be considered 'done'")
+       parser.add_option("", "--findbad", dest="findbad", action="store_true", 
+                                               help="Re-run findbad on the nodes we're going to check before acting.")
+       parser.add_option("", "--force", dest="force", action="store_true", 
+                                               help="Force action regardless of previous actions/logs.")
+       parser.add_option("", "--rins", dest="rins", action="store_true", 
+                                               help="Set the boot_state to 'rins' for all nodes.")
+       parser.add_option("", "--reboot", dest="reboot", action="store_true", 
+                                               help="Actively try to reboot the nodes, keeping a log of actions.")
+
+       parser.add_option("", "--verbose", dest="verbose", action="store_true", 
+                                               help="Extra debug output messages.")
+       parser.add_option("", "--nosetup", dest="nosetup", action="store_true", 
+                                               help="Do not perform the orginary setup phase.")
+       parser.add_option("", "--skip", dest="skip", 
+                                               help="Number of machines to skip on the input queue.")
+       parser.add_option("", "--timewait", dest="timewait", 
+                                               help="Minutes to wait between iterations of 10 nodes.")
+
+       parser = parsermodule.getParser(['defaults'], parser)
+       config = parsermodule.parse_args(parser)
+
+       fbquery = HistoryNodeRecord.query.all()
+       hostnames = [ n.hostname for n in fbquery ]
+       
+       fbquery = HistorySiteRecord.query.all()
+       sitenames = [ s.loginbase for s in fbquery ]
+
+       if config.site:
+               # TODO: replace with calls to local db.  the api fails so often that
+               #               these calls should be regarded as unreliable.
+               l_nodes = plccache.GetNodesBySite(config.site)
+               filter_hostnames = [ n['hostname'] for n in l_nodes ]
+
+               hostnames = filter(lambda x: x in filter_hostnames, hostnames)
+               sitenames = [config.site]
+
+       if config.node:
+               hostnames = [ config.node ] 
+               sitenames = [ plccache.plcdb_hn2lb[config.node] ]
 
-if __name__ == '__main__':
-       import os
-       import plc
        try:
-               main()
+               main(hostnames, sitenames)
+               session.flush()
        except KeyboardInterrupt:
-               print "Killed.  Exitting."
-               logger.info('Monitor Killed')
-               os._exit(0)
+               print "Killed by interrupt"
+               session.flush()
+               sys.exit(0)
+       except:
+               email_exception()
+               print traceback.print_exc();
+               print "fail all..."