#
# Faiyaz Ahmed <faiyaza@cs.princeton.edu>
#
-# $Id: policy.py,v 1.15 2007/07/03 19:58:34 soltesz Exp $
+# $Id: policy.py,v 1.17 2007/08/29 17:26:50 soltesz Exp $
#
# Policy Engine.
import Queue
import plc
import sys
+import os
import reboot
import soltesz
import string
-from printbadbysite import cmpCategoryVal
+from www.printbadnodes import cmpCategoryVal
from config import config
print "policy"
config = config()
PLCEMAIL="support@planet-lab.org"
#Thresholds (DAYS)
+SPERMIN = 60
+SPERHOUR = 60*60
SPERDAY = 86400
PITHRESH = 7 * SPERDAY
SLICETHRESH = 7 * SPERDAY
def getdebug():
return config.debug
+def print_stats(key, stats):
+ if key in stats: print "%20s : %d" % (key, stats[key])
+
class Merge(Thread):
def __init__(self, l_merge, toRT):
self.toRT = toRT
fb_record = {}
fb_record['nodename'] = nodename
- fb_record['category'] = values['category']
+ try:
+ fb_record['category'] = values['category']
+ except:
+ print values
+ print nodename
+ print self.findbad['nodes'][nodename]
+ count -= 1
+ continue
fb_record['state'] = values['state']
fb_record['comonstats'] = values['comonstats']
+ fb_record['plcnode'] = values['plcnode']
fb_record['kernel'] = self.getKernel(values['kernel'])
fb_record['stage'] = "findbad"
fb_record['message'] = None
self.mergedb[loginbase][nodename] = {}
self.mergedb[loginbase][nodename].update(x)
self.mergedb[loginbase][nodename]['ticket_id'] = ""
- self.mergedb[loginbase][nodename]['prev_category'] = None
+ self.mergedb[loginbase][nodename]['prev_category'] = "NORECORD"
else:
+ if len(self.act_all[nodename]) == 0:
+ print "len(act_all[%s]) == 0, skipping %s %s" % (nodename, loginbase, nodename)
+ continue
+
y = self.act_all[nodename][0]
- # skip if end-stage
- if 'stage' in y and "monitor-end-record" in y['stage']:
- continue
+ ## skip if end-stage
+ #if 'stage' in y and "monitor-end-record" in y['stage']:
+ # # 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
+ # 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)
- # 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
#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()
# print "FINDBAD and MONITOR have a mismatch: %s vs %s" % \
# (x['category'], y['bucket'])
-
+ y['prev_category'] = y['category']
self.mergedb[loginbase][nodename] = {}
self.mergedb[loginbase][nodename].update(y)
self.mergedb[loginbase][nodename]['comonstats'] = x['comonstats']
self.mergedb[loginbase][nodename]['state'] = x['state']
self.mergedb[loginbase][nodename]['kernel']=x['kernel']
self.mergedb[loginbase][nodename]['bootcd']=x['bootcd']
+ self.mergedb[loginbase][nodename]['plcnode']=x['plcnode']
# delete the entry from cache_all to keep it out of case 3)
del self.cache_all[nodename]
def __init__(self, fromRT):
self.fromRT = fromRT
self.plcdb_hn2lb = soltesz.dbLoad("plcdb_hn2lb")
+ self.findbad = soltesz.if_cached_else(1, "findbad", lambda : {})
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()
#if config.policysavedb:
sys.exit(1)
- self.print_stats("sites", stats)
- self.print_stats("sites_diagnosed", stats)
- self.print_stats("nodes_diagnosed", stats)
+ print_stats("sites_observed", stats)
+ print_stats("sites_diagnosed", stats)
+ print_stats("nodes_diagnosed", stats)
if config.policysavedb:
print "Saving Databases... diagnose_out"
return
def diagnoseAll(self):
- i_sites = 0
+ i_sites_observed = 0
i_sites_diagnosed = 0
i_nodes_diagnosed = 0
i_nodes_actedon = 0
sorted_sites = self.diagnose_in.keys()
sorted_sites.sort()
- l_diagnosed_all = []
+ self.diagnose_out= {}
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
+ d_act_records = self.__diagnoseSite(loginbase, d_diag_nodes)
+ # store records in diagnose_out, for saving later.
+ self.diagnose_out.update(d_act_records)
- if len(l_diag_records) > 0:
- i_nodes_diagnosed += len(l_diag_records)
+ if len(d_act_records[loginbase]['nodes'].keys()) > 0:
+ i_nodes_diagnosed += (len(d_act_records[loginbase]['nodes'].keys()))
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] = {}
+ i_sites_observed += 1
- self.diagnose_out[loginbase][nodename] = diag_record
-
- return {'sites': i_sites,
+ return {'sites_observed': i_sites_observed,
'sites_diagnosed': i_sites_diagnosed,
'nodes_diagnosed': i_nodes_diagnosed,
'allsites':l_allsites}
elif diag_record['comonstats']['lastcotop'] != "null":
daysdown = int(diag_record['comonstats']['lastcotop']) // (60*60*24)
else:
- daysdown = -1
+ now = time.time()
+ last_contact = diag_record['plcnode']['last_contact']
+ if last_contact == None:
+ # the node has never been up, so give it a break
+ daysdown = -1
+ else:
+ diff = now - last_contact
+ daysdown = diff // (60*60*24)
return daysdown
def __getStrDaysDown(self, diag_record, nodename):
def __diagnoseSite(self, loginbase, d_diag_nodes):
"""
- rec_sitelist is a diagnose_in entry:
+ d_diag_nodes are diagnose_in entries.
"""
- diag_list = []
+ d_diag_site = {loginbase : { 'config' :
+ {'squeeze': False,
+ 'email': False
+ },
+ 'nodes': {}
+ }
+ }
sorted_nodes = d_diag_nodes.keys()
sorted_nodes.sort()
for nodename in sorted_nodes:
diag_record = self.__diagnoseNode(loginbase, node_record)
if diag_record != None:
- diag_list += [ diag_record ]
+ d_diag_site[loginbase]['nodes'][nodename] = diag_record
+
+ # NOTE: improvement means, we need to act/squeeze and email.
+ #print "DIAG_RECORD", diag_record
+ if 'monitor-end-record' in diag_record['stage'] or \
+ 'nmreset' in diag_record['stage']:
+ # print "resetting loginbase!"
+ d_diag_site[loginbase]['config']['squeeze'] = True
+ d_diag_site[loginbase]['config']['email'] = True
+ #else:
+ # print "NO IMPROVEMENT!!!!"
+ else:
+ pass # there is nothing to do for this node.
- return diag_list
+ # NOTE: these settings can be overridden by command line arguments,
+ # or the state of a record, i.e. if already in RT's Support Queue.
+ nodes_up = self.getUpAtSite(loginbase, d_diag_site)
+ if nodes_up < MINUP:
+ d_diag_site[loginbase]['config']['squeeze'] = True
+
+ max_slices = self.getMaxSlices(loginbase)
+ num_nodes = self.getNumNodes(loginbase)
+ # NOTE: when max_slices == 0, this is either a new site (the old way)
+ # or an old disabled site from previous monitor (before site['enabled'])
+ if nodes_up < num_nodes and max_slices != 0:
+ d_diag_site[loginbase]['config']['email'] = True
+
+ if len(d_diag_site[loginbase]['nodes'].keys()) > 0:
+ print "SITE: %20s : %d nodes up, at most" % (loginbase, nodes_up)
+
+ return d_diag_site
def diagRecordByCategory(self, node_record):
nodename = node_record['nodename']
diag_record = {}
diag_record.update(node_record)
daysdown = self.__getDaysDown(diag_record, nodename)
- if daysdown >= 0 and daysdown < 7:
+ if daysdown < 7:
format = "DIAG: %20s : %-40s Down only %s days NOTHING DONE"
print format % (loginbase, nodename, daysdown)
return None
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']),
+
+ if 'reboot_node_failed' in node_record:
+ # there was a previous attempt to use the PCU.
+ if node_record['reboot_node_failed'] == False:
+ # then the last attempt apparently, succeeded.
+ # But, the category is still 'ERROR'. Therefore, the
+ # PCU-to-Node mapping is broken.
+ #print "Setting message for ERROR node to PCU2NodeMapping: %s" % nodename
+ diag_record['message'] = emailTxt.mailtxt.pcutonodemapping
+ diag_record['email_pcu'] = True
+
+ if diag_record['ticket_id'] == "":
+ diag_record['log'] = "DOWN: %20s : %-40s == %20s %s" % \
+ (loginbase, nodename, diag_record['info'][1:], diag_record['found_rt_ticket'])
+ else:
+ diag_record['log'] = "DOWN: %20s : %-40s == %20s %s" % \
+ (loginbase, nodename, diag_record['info'][1:], diag_record['ticket_id'])
elif "OLDBOOTCD" in category:
# V2 boot cds as determined by findbad
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" % \
+ if diag_record['ticket_id'] == "":
+ diag_record['log'] = "BTCD: %20s : %-40s == %20s %20s %s" % \
+ (loginbase, nodename, diag_record['kernel'],
+ diag_record['bootcd'], diag_record['found_rt_ticket'])
+ else:
+ diag_record['log'] = "BTCD: %20s : %-40s == %20s %20s %s" % \
(loginbase, nodename, diag_record['kernel'],
- diag_record['bootcd'], diag_record['ticket_id']),
+ diag_record['bootcd'], diag_record['ticket_id'])
elif "PROD" in category:
if "DEBUG" in state:
elif "BOOT" in state:
# no action needed.
# TODO: remove penalties, if any are applied.
+ now = time.time()
+ last_contact = node_record['plcnode']['last_contact']
+ if last_contact == None:
+ time_diff = 0
+ else:
+ time_diff = now - last_contact;
+
if 'improvement' in node_record['stage']:
# then we need to pass this on to 'action'
diag_record = {}
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" % \
+ if diag_record['ticket_id'] == "":
+ diag_record['log'] = "IMPR: %20s : %-40s == %20s %20s %s %s" % \
+ (loginbase, nodename, diag_record['stage'],
+ state, category, diag_record['found_rt_ticket'])
+ else:
+ diag_record['log'] = "IMPR: %20s : %-40s == %20s %20s %s %s" % \
(loginbase, nodename, diag_record['stage'],
- state, category),
+ state, category, diag_record['ticket_id'])
+ return diag_record
+ elif time_diff >= 6*SPERHOUR:
+ # heartbeat is older than 30 min.
+ # then reset NM.
+ #print "Possible NM problem!! %s - %s = %s" % (now, last_contact, time_diff)
+ diag_record = {}
+ diag_record.update(node_record)
+ diag_record['message'] = emailTxt.mailtxt.NMReset
+ diag_record['args'] = {'nodename': nodename}
+ diag_record['stage'] = "nmreset"
+ diag_record['info'] = (nodename,
+ node_record['prev_category'],
+ node_record['category'])
+ if diag_record['ticket_id'] == "":
+ diag_record['log'] = "NM : %20s : %-40s == %20s %20s %s %s" % \
+ (loginbase, nodename, diag_record['stage'],
+ state, category, diag_record['found_rt_ticket'])
+ else:
+ diag_record['log'] = "NM : %20s : %-40s == %20s" % \
+ (loginbase, nodename, diag_record['stage'])
+
return diag_record
else:
return None
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
+ nodename = node_record['nodename']
+ category = node_record['category']
+ prev_category = node_record['prev_category']
+ state = node_record['state']
+ #if 'prev_category' in node_record:
+ # prev_category = node_record['prev_category']
+ #else:
+ # prev_category = "ERROR"
+ if node_record['prev_category'] != "NORECORD":
+
+ val = cmpCategoryVal(category, prev_category)
+ print "%s went from %s -> %s" % (nodename, prev_category, category)
+ if val == 1:
+ # improved
+ if node_record['ticket_id'] == "" or node_record['ticket_id'] == None:
+ print "closing record with no ticket: ", node_record['nodename']
+ node_record['action'] = ['close_rt']
+ node_record['message'] = None
+ node_record['stage'] = 'monitor-end-record'
+ return node_record
+ else:
+ node_record['stage'] = 'improvement'
+
+ #if 'monitor-end-record' in node_record['stage']:
+ # # just ignore it if it's already ended.
+ # # otherwise, the status should be worse, and we won't get
+ # # here.
+ # print "monitor-end-record: ignoring ", node_record['nodename']
+ # return None
+#
+# #return None
+ elif val == -1:
+ # current category is worse than previous, carry on
+ pass
+ else:
+ #values are equal, carry on.
+ #print "why are we here?"
+ pass
#### COMPARE category and prev_category
# if not_equal
# then check category for stats.
diag_record = self.diagRecordByCategory(node_record)
if diag_record == None:
+ #print "diag_record == None"
return None
#### found_RT_ticket
diag_record['stage'] = 'ticket_waitforever'
current_time = time.time()
+ # take off four days, for the delay that database caused.
+ # TODO: generalize delays at PLC, and prevent enforcement when there
+ # have been no emails.
+ # NOTE: 7*SPERDAY exists to offset the 'bad week'
+ #delta = current_time - diag_record['time'] - 7*SPERDAY
delta = current_time - diag_record['time']
message = diag_record['message']
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['email'] = TECH
+ act_record['action'] = ['noop']
act_record['message'] = message[0]
act_record['stage'] = 'stage_actinoneweek'
+ elif 'nmreset' in diag_record['stage']:
+ act_record['email'] = ADMIN
+ act_record['action'] = ['reset_nodemanager']
+ act_record['message'] = message[0]
+ act_record['stage'] = 'nmreset'
+ return None
+
+ elif 'reboot_node' in diag_record['stage']:
+ act_record['email'] = TECH
+ 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['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['email'] = TECH | PI
act_record['stage'] = 'stage_actintwoweeks'
act_record['message'] = message[1]
- act_record['action'] = 'nocreate'
+ act_record['action'] = ['nocreate' ]
+ act_record['time'] = current_time # reset clock for waitforever
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['email'] = TECH
+ act_record['message'] = message[0]
+ act_record['action'] = ['sendmailagain-waitforoneweekaction' ]
act_record['second-mail-at-oneweek'] = True
else:
act_record['message'] = None
- act_record['action'] = 'waitforoneweekaction'
+ act_record['action'] = ['waitforoneweekaction' ]
+ print "ignoring this record for: %s" % act_record['nodename']
+ return None # don't send if there's no action
elif 'actintwoweeks' in diag_record['stage']:
- act_record['email'] = TECH | PI | USER # addative emails
- if delta >= 14 * SPERDAY:
+ if delta >= 7 * SPERDAY:
+ act_record['email'] = TECH | PI | USER
act_record['stage'] = 'stage_waitforever'
act_record['message'] = message[2]
- act_record['action'] = 'suspendslices'
+ 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'
+ elif delta >= 3* SPERDAY and not 'second-mail-at-twoweeks' in act_record:
+ act_record['email'] = TECH | PI
+ act_record['message'] = message[1]
+ act_record['action'] = ['sendmailagain-waitfortwoweeksaction' ]
act_record['second-mail-at-twoweeks'] = True
else:
act_record['message'] = None
- act_record['action'] = 'waitfortwoweeksaction'
+ act_record['action'] = ['waitfortwoweeksaction']
+ return None # don't send if there's no action
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['log'] += " firstfound"
+ 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['action'] = ['ticket_waitforever']
+ act_record['message'] = None
act_record['time'] = current_time # reset clock
else:
- act_record['action'] = 'ticket_waitforever'
+ act_record['action'] = ['ticket_waitforever']
act_record['message'] = None
+ return 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['action'] = ['email-againwaitforever']
+ act_record['message'] = message[2]
act_record['time'] = current_time # reset clock
else:
- act_record['action'] = 'waitforever'
+ act_record['action'] = ['waitforever']
act_record['message'] = None
+ return None # don't send if there's no action
else:
# There is no action to be taken, possibly b/c the stage has
# 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'
+ print "UNKNOWN stage for %s; nothing done" % nodename
+ act_record['action'] = ['unknown']
act_record['message'] = message[0]
- print "Exiting..."
- sys.exit(1)
+ #print "Exiting..."
+ return None
+ #sys.exit(1)
print "%s" % act_record['log'],
print "%15s" % act_record['action']
return act_record
+ def getMaxSlices(self, loginbase):
+ # if sickdb has a loginbase, then it will have at least one node.
+ site_stats = None
+
+ for nodename in self.diagnose_in[loginbase].keys():
+ if nodename in self.findbad['nodes']:
+ site_stats = self.findbad['nodes'][nodename]['values']['plcsite']
+ break
+
+ if site_stats == None:
+ raise Exception, "loginbase with no nodes in findbad"
+ else:
+ return site_stats['max_slices']
+
+ def getNumNodes(self, loginbase):
+ # if sickdb has a loginbase, then it will have at least one node.
+ site_stats = None
+
+ for nodename in self.diagnose_in[loginbase].keys():
+ if nodename in self.findbad['nodes']:
+ site_stats = self.findbad['nodes'][nodename]['values']['plcsite']
+ break
+
+ if site_stats == None:
+ raise Exception, "loginbase with no nodes in findbad"
+ else:
+ return site_stats['num_nodes']
+
+ """
+ Returns number of up nodes as the total number *NOT* in act_all with a
+ stage other than 'steady-state' .
+ """
+ def getUpAtSite(self, loginbase, d_diag_site):
+ # TODO: THIS DOESN"T WORK!!! it misses all the 'debug' state nodes
+ # that aren't recorded yet.
+
+ numnodes = self.getNumNodes(loginbase)
+ # NOTE: assume nodes we have no record of are ok. (too conservative)
+ # TODO: make the 'up' value more representative
+ up = numnodes
+ for nodename in d_diag_site[loginbase]['nodes'].keys():
+
+ rec = d_diag_site[loginbase]['nodes'][nodename]
+ if rec['stage'] != 'monitor-end-record':
+ up -= 1
+ else:
+ pass # the node is assumed to be up.
+
+ #if up != numnodes:
+ # print "ERROR: %s total nodes up and down != %d" % (loginbase, numnodes)
+
+ return up
+
class SiteAction:
def __init__(self, parameter_names=['hostname', 'ticket_id']):
# 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'])
+ if 'ticket_id' in args and (args['ticket_id'] != "" and args['ticket_id'] != None):
+ mailer.closeTicketViaRT(args['ticket_id'],
+ "Ticket CLOSED automatically by SiteAssist.")
+ plc.enableSlices(args['hostname'])
+ plc.enableSliceCreation(args['hostname'])
+ return
+
+def reboot_node(args):
+ host = args['hostname']
+ return reboot.reboot_new(host, True, config.debug)
+
+def reset_nodemanager(args):
+ os.system("ssh root@%s /sbin/service nm restart" % nodename)
return
class Action(Thread):
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['reboot_node'] = lambda args: reboot_node(args)
+ self.actions['reset_nodemanager'] = lambda args: args # reset_nodemanager(args)
+
self.actions['ticket_waitforever'] = lambda args: args
self.actions['waitforever'] = lambda args: args
self.actions['unknown'] = lambda args: args
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_stats("sites_observed", stats)
+ print_stats("sites_diagnosed", stats)
+ print_stats("nodes_diagnosed", stats)
+ print_stats("sites_emailed", stats)
+ print_stats("nodes_actedon", stats)
print string.join(stats['allsites'], ",")
if config.policysavedb:
loginbase = self.plcdb_hn2lb[nodename]
if loginbase in self.diagnose_db and \
- nodename in self.diagnose_db[loginbase]:
+ nodename in self.diagnose_db[loginbase]['nodes']:
- diag_record = self.diagnose_db[loginbase][nodename]
+ diag_record = self.diagnose_db[loginbase]['nodes'][nodename]
if loginbase not in self.sickdb:
- self.sickdb[loginbase] = {}
-
- self.sickdb[loginbase][nodename] = diag_record
+ self.sickdb[loginbase] = {'nodes' : {}}
+
+ # NOTE: don't copy all node records, since not all will be in l_action
+ self.sickdb[loginbase]['nodes'][nodename] = diag_record
+ # NOTE: but, we want to get the loginbase config settings,
+ # this is the easiest way.
+ self.sickdb[loginbase]['config'] = self.diagnose_db[loginbase]['config']
+ #else:
+ #print "%s not in diagnose_db!!" % loginbase
return
def __emailSite(self, loginbase, roles, message, args):
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:"
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.
+ def get_email_args(self, act_recordlist):
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 'plcnode' in act_record and \
+ 'pcu_ids' in act_record['plcnode'] and \
+ len(act_record['plcnode']['pcu_ids']) > 0:
+ print "setting 'pcu_id' for email_args %s"%email_args['hostname']
+ email_args['pcu_id'] = act_record['plcnode']['pcu_ids'][0]
+ else:
+ email_args['pcu_id'] = "-1"
+
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]
+ return email_args
+
+ def get_unique_issues(self, act_recordlist):
+ # NOTE: only send one email per site, per problem...
+ unique_issues = {}
+ for act_record in act_recordlist:
+ act_key = act_record['action'][0]
+ if act_key not in unique_issues:
+ unique_issues[act_key] = []
+
+ unique_issues[act_key] += [act_record]
+
+ return unique_issues
+
+
+ def __actOnSite(self, loginbase, site_record):
+ i_nodes_actedon = 0
+ i_nodes_emailed = 0
+
+ act_recordlist = []
+
+ for nodename in site_record['nodes'].keys():
+ diag_record = site_record['nodes'][nodename]
+ act_record = self.__actOnNode(diag_record)
+ #print "nodename: %s %s" % (nodename, act_record)
+ if act_record is not None:
+ act_recordlist += [act_record]
+
+ unique_issues = self.get_unique_issues(act_recordlist)
+
+ for issue in unique_issues.keys():
+ print "\tworking on issue: %s" % issue
+ issue_record_list = unique_issues[issue]
+ email_args = self.get_email_args(issue_record_list)
+
+ # for each record.
+ for act_record in issue_record_list:
+ # if there's a pcu record and email config is set
+ if 'email_pcu' in act_record:
+ if act_record['email_pcu'] and \
+ site_record['config']['email']:
+
+ email_args['hostname'] = act_record['nodename']
+ ticket_id = self.__emailSite(loginbase,
+ act_record['email'],
+ emailTxt.mailtxt.pcudown[0],
+ email_args)
+ email_args['ticket_id'] = ticket_id
- # send message before squeezing, b/c
- if act_record['message'] != None:
- ticket_id = self.__emailSite(loginbase, act_record['email'],
- act_record['message'], email_args)
+
+ act_record = issue_record_list[0]
+ # send message before squeezing
+ print "\t\tconfig.email: %s and %s" % (act_record['message'] != None,
+ site_record['config']['email'])
+ if act_record['message'] != None and site_record['config']['email']:
+ 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:
+ for act_record in issue_record_list:
nodename = act_record['nodename']
# update node record with RT ticket_id
- self.act_all[nodename][0]['ticket_id'] = "%s" % ticket_id
+ if nodename in self.act_all:
+ 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)
+ print "\t\tconfig.squeeze: %s and %s" % (config.squeeze,
+ site_record['config']['squeeze'])
+ if config.squeeze and site_record['config']['squeeze']:
+ for act_key in act_record['action']:
+ self.actions[act_key](email_args)
i_nodes_actedon += 1
if config.policysavedb:
del self.diagnose_db[loginbase]
soltesz.dbDump("diagnose_out", self.diagnose_db)
+ #print "sleeping for 1 sec"
+ #time.sleep(1)
print "Hit enter to continue..."
sys.stdout.flush()
line = sys.stdin.readline()
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 "act_record['stage'] == %s " % act_record['stage']
+
+ # avoid end records, and nmreset records
+ # reboot_node_failed, is set below, so don't reboot repeatedly.
+
+ if 'monitor-end-record' not in act_record['stage'] and \
+ 'nmreset' not in act_record['stage'] and \
+ 'reboot_node_failed' not in act_record:
+
+ if "DOWN" in act_record['log'] and \
+ 'pcu_ids' in act_record['plcnode'] and \
+ len(act_record['plcnode']['pcu_ids']) > 0:
+
+ print "%s" % act_record['log'],
+ print "%15s" % (['reboot_node'],)
+ # Set node to re-install
+ plc.nodeBootState(act_record['nodename'], "rins")
+ try:
+ ret = reboot_node({'hostname': act_record['nodename']})
+ except Exception, exc:
+ print "exception on reboot_node:"
+ import traceback
+ print traceback.print_exc()
+ ret = False
+
+ if ret: # and ( 'reboot_node_failed' not in act_record or act_record['reboot_node_failed'] == False):
+ # Reboot Succeeded
+ print "reboot succeeded for %s" % act_record['nodename']
+ act_record2 = {}
+ act_record2.update(act_record)
+ act_record2['action'] = ['reboot_node']
+ act_record2['stage'] = "reboot_node"
+ act_record2['reboot_node_failed'] = False
+ act_record2['email_pcu'] = False
+
+ if nodename not in self.act_all:
+ self.act_all[nodename] = []
+ print "inserting 'reboot_node' record into act_all"
+ self.act_all[nodename].insert(0,act_record2)
+
+ # return None to avoid further action
+ print "Taking no further action"
+ return None
+ else:
+ print "reboot failed for %s" % act_record['nodename']
+ # set email_pcu to also send pcu notice for this record.
+ act_record['reboot_node_failed'] = True
+ act_record['email_pcu'] = True
- print "%s" % act_record['log'],
- print "%15s" % act_record['action']
+ print "%s" % act_record['log'],
+ print "%15s" % act_record['action']
- if act_record['stage'] is not 'monitor-end-record':
+ if act_record['stage'] is not 'monitor-end-record' and \
+ act_record['stage'] is not 'nmreset':
if nodename not in self.act_all:
self.act_all[nodename] = []
return act_record
def analyseSites(self):
- i_sites = 0
+ i_sites_observed = 0
i_sites_diagnosed = 0
i_nodes_diagnosed = 0
i_nodes_actedon = 0
sorted_sites.sort()
for loginbase in sorted_sites:
site_record = self.sickdb[loginbase]
+ print "sites: %s" % loginbase
i_nodes_diagnosed += len(site_record.keys())
i_sites_diagnosed += 1
(na,ne) = self.__actOnSite(loginbase, site_record)
- i_sites += 1
+ i_sites_observed += 1
i_nodes_actedon += na
i_sites_emailed += ne
l_allsites += [loginbase]
- return {'sites': i_sites,
+ return {'sites_observed': i_sites_observed,
'sites_diagnosed': i_sites_diagnosed,
'nodes_diagnosed': i_nodes_diagnosed,
'sites_emailed': i_sites_emailed,
# 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
#class Policy(Thread):
git://git.onelab.eu / monitor.git / blobdiff