#
# Faiyaz Ahmed <faiyaza@cs.princeton.edu>
#
-# $Id: policy.py,v 1.15 2007/07/03 19:58:34 soltesz Exp $
+# $Id: policy.py,v 1.16 2007/08/08 13:30:42 soltesz Exp $
#
# Policy Engine.
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['category'] = values['category']
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]['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
+ i_sites_observed += 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,
+ 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
+ else:
+ pass # there is nothing to do for this node.
+
+ # 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
- return diag_list
+ 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 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['ticket_id']),
+ 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'])
elif "PROD" in category:
if "DEBUG" in state:
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
else:
return None
elif val == 1:
# current category is better than previous
# TODO: too generous for now, but will be handled correctly
- node_record['stage'] = 'improvement'
+ # TODO: if stage is currently ticket_waitforever,
+ if 'ticket_id' not in node_record:
+ print "ignoring: ", node_record['nodename']
+ return None
+ else:
+ if node_record['ticket_id'] == "" or \
+ node_record['ticket_id'] == None:
+ print "closing: ", node_record['nodename']
+ node_record['action'] = ['close_rt']
+ node_record['message'] = None
+ node_record['stage'] = 'monitor-end-record'
+ return node_record
+ #return None
+ else:
+ node_record['stage'] = 'improvement'
else:
#values are equal, carry on.
pass
diag_record['stage'] = 'ticket_waitforever'
current_time = time.time()
- delta = current_time - diag_record['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
message = diag_record['message']
act_record = {}
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['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' ]
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' ]
+ 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:
+ 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'
+ 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
# 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['action'] = ['unknown']
act_record['message'] = message[0]
print "Exiting..."
sys.exit(1)
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
class Action(Thread):
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):
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 '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
- # send message before squeezing, b/c
- if act_record['message'] != None:
- ticket_id = self.__emailSite(loginbase, act_record['email'],
- act_record['message'], 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)
+ 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)
+
+ 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 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
+ 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']:
+ #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"
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)
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 / commitdiff