-#
-# Copyright (c) 2004 The Trustees of Princeton University (Trustees).
-#
-# Faiyaz Ahmed <faiyaza@cs.princeton.edu>
-#
-# $Id: $
-#
-# 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 xml, xmlrpclib
-import Queue
-
-DAT="./monitor.dat"
-
-logger = logging.getLogger("monitor")
-
-# Time to enforce policy
-POLSLEEP = 7200
-
-# Days between emails (enforce 'squeeze' after this time).
-SQUEEZE = 3
-# 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
-class Policy(Thread):
- def __init__(self, comonthread, sickNoTicket, emailed):
- self.cmn = comonthread
- # host - > (time of email, type of email)
- self.emailed = emailed
- # all sick nodes w/o tickets
- self.sickNoTicket = sickNoTicket
- Thread.__init__(self)
+import traceback
+import sys
+from optparse import OptionParser
+
+import bootman # debug nodes
+
+from monitor import util
+from monitor import const
+from monitor import reboot
+from monitor import config
+from monitor import database
+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.wrapper.emailTxt import mailtxt
+from monitor.database.info.model import *
+
+from nodequery import verify,query_to_dict,node_select
+
+api = plc.getAuthAPI()
+
+
+class SiteInterface(HistorySiteRecord):
+ @classmethod
+ def get_or_make(cls, if_new_set={}, **kwargs):
+ if 'hostname' in kwargs:
+ kwargs['loginbase'] = plccache.plcdb_hn2lb[kwargs['hostname']]
+ del kwargs['hostname']
+ res = HistorySiteRecord.findby_or_create(if_new_set, **kwargs)
+ return SiteInterface(res)
+
+ def __init__(self, sitehist):
+ self.db = sitehist
+
+ def getRecentActions(self, **kwargs):
+ # TODO: make query only return records within a certin time range,
+ # i.e. greater than 0.5 days ago. or 5 days, etc.
+
+ #print "kwargs: ", kwargs
+
+ recent_actions = []
+ if 'loginbase' in kwargs:
+ recent_actions = ActionRecord.query.filter_by(loginbase=kwargs['loginbase']).order_by(ActionRecord.date_created.desc())
+ elif 'hostname' in kwargs:
+ recent_actions = ActionRecord.query.filter_by(hostname=kwargs['hostname']).order_by(ActionRecord.date_created.desc())
+ return recent_actions
+
+ def increasePenalty(self):
+ #act = ActionRecord(loginbase=self.db.loginbase, action='penalty', action_type='increase_penalty',)
+ self.db.penalty_level += 1
+ # NOTE: this is to prevent overflow or index errors in applyPenalty.
+ # there's probably a better approach to this.
+ if self.db.penalty_level >= 2:
+ self.db.penalty_level = 2
+ self.db.penalty_applied = True
- #def getAllSick(self):
- # for bucket in self.cmn.comonbkts.keys():
- # for host in getattr(self.cmn, bucket):
- # if host not in self.cursickw.keys():
- # self.cursick.put(host)
-
- '''
- Acts on sick nodes
- '''
- def emailsick(self):
- # Get list of nodes in debug from PLC
- #dbgNodes = NodesDebug()
-
- node = self.sickNoTicket.get(block = True)
- # Get the login base
- id = mailer.siteId(node)
-
- if not id:
- logger.info("loginbase for %s not found" %node)
- elif node not in self.emailed.keys():
- # Email about Down.
- if node in self.cmn.down:
- logger.debug("POLICY: Emailing (down) " + node)
- self.emailed[node] = ("down", time.localtime())
- msg = emailTxt.mailtxt.DOWN \
- % {'hostname': node}
- mailer.email(node + " down", msg,
- "tech-" + id + "@sites.planet-lab.org")
- return
-
- # Email about no SSH.
- if node in self.cmn.ssh:
- logger.debug("POLICY: Emailing (ssh) " + node)
- self.emailed[node] = ("ssh", time.localtime())
- msg = emailTxt.mailtxt.SSH \
- % {'hostname': node}
- mailer.email(node + " down", msg,
- "tech-" + id + "@sites.planet-lab.org")
- return
-
- # Email about DNS
- if node in self.cmn.dns:
- logger.debug("POLICY: Emailing (dns)" + node)
- self.emailed[node] = ("dns", time.localtime())
- msg = emailTxt.mailtxt.DNS \
- % {'hostname': node}
- mailer.email("Please update DNS used by " \
- + node, msg,
- "tech-" + id + "@sites.planet-lab.org")
- return
+ def applyPenalty(self):
+ penalty_map = []
+ penalty_map.append( { 'name': 'noop', 'enable' : lambda site: None,
+ 'disable' : lambda site: None } )
+ penalty_map.append( { 'name': 'nocreate', 'enable' : lambda site: plc.removeSiteSliceCreation(site),
+ 'disable' : lambda site: plc.enableSiteSliceCreation(site) } )
+ penalty_map.append( { 'name': 'suspendslices', 'enable' : lambda site: plc.suspendSiteSlices(site),
+ 'disable' : lambda site: plc.enableSiteSlices(site) } )
+
+ for i in range(len(penalty_map)-1,self.db.penalty_level,-1):
+ print "\tdisabling %s on %s" % (penalty_map[i]['name'], self.db.loginbase)
+ penalty_map[i]['disable'](self.db.loginbase)
+
+ for i in range(0,self.db.penalty_level+1):
+ print "\tapplying %s on %s" % (penalty_map[i]['name'], self.db.loginbase)
+ penalty_map[i]['enable'](self.db.loginbase)
+
+ return
+
+ def pausePenalty(self):
+ act = ActionRecord(loginbase=self.db.loginbase,
+ action='penalty',
+ action_type='pause_penalty',)
+ def clearPenalty(self):
+ #act = ActionRecord(loginbase=self.db.loginbase, action='penalty', action_type='clear_penalty',)
+ self.db.penalty_level = 0
+ self.db.penalty_applied = False
+
+ def getTicketStatus(self):
+ if self.db.message_id != 0:
+ rtstatus = mailer.getTicketStatus(self.db.message_id)
+ self.db.message_status = rtstatus['Status']
+ self.db.message_queue = rtstatus['Queue']
+ self.db.message_created = datetime.fromtimestamp(rtstatus['Created'])
+
+ def setTicketStatus(self, status):
+ print 'SETTING status %s' % status
+ if self.db.message_id != 0:
+ rtstatus = mailer.setTicketStatus(self.db.message_id, status)
+
+ def getContacts(self):
+ contacts = []
+ if self.db.penalty_level >= 0:
+ contacts += plc.getTechEmails(self.db.loginbase)
+
+ if self.db.penalty_level >= 1:
+ contacts += plc.getPIEmails(self.db.loginbase)
+
+ if self.db.penalty_level >= 2:
+ contacts += plc.getSliceUserEmails(self.db.loginbase)
- '''
- Prints, logs, and emails status of up nodes, down nodes, and buckets.
- '''
- def status(self):
- return 0
+ return contacts
- '''
- Store/Load state of emails. When, where, what.
- '''
- def emailedStore(self, action):
+ def sendMessage(self, type, **kwargs):
+
+ # NOTE: evidently changing an RT message's subject opens the ticket.
+ # the logic in this policy depends up a ticket only being 'open'
+ # if a user has replied to it.
+ # So, to preserve these semantics, we check the status before
+ # sending, then after sending, reset the status to the
+ # previous status.
+ # There is a very tiny race here, where a user sends a reply
+ # within the time it takes to check, send, and reset.
+ # This sucks. It's almost certainly fragile.
+
+ #
+ # TODO: catch any errors here, and add an ActionRecord that contains
+ # those errors.
+
+ args = {'loginbase' : self.db.loginbase, 'penalty_level' : self.db.penalty_level}
+ args.update(kwargs)
+
+ hostname = None
+ if 'hostname' in args:
+ hostname = args['hostname']
+
+ if hasattr(mailtxt, type):
+
+ message = getattr(mailtxt, type)
+ viart = True
+ if 'viart' in kwargs:
+ viart = kwargs['viart']
+
+ if viart:
+ self.getTicketStatus() # get current message status
+
+ m = Message(message[0] % args, message[1] % args, viart, self.db.message_id)
+
+ contacts = self.getContacts()
+ contacts = [config.cc_email] # TODO: remove after testing...
+
+ print "sending message: %s to site %s for host %s" % (type, self.db.loginbase, hostname)
+
+ ret = m.send(contacts)
+ if viart:
+ self.db.message_id = ret
+ # reset to previous status, since a new subject 'opens' RT tickets.
+ self.setTicketStatus(self.db.message_status)
+
+ # NOTE: only make a record of it if it's in RT.
+ act = ActionRecord(loginbase=self.db.loginbase, hostname=hostname, action='notice',
+ action_type=type, message_id=self.db.message_id)
+
+ else:
+ print "+-- WARNING! ------------------------------"
+ print "| No such message name in emailTxt.mailtxt: %s" % type
+ print "+------------------------------------------"
+
+ return
+
+ def closeTicket(self):
+ # TODO: close the rt ticket before overwriting the message_id
+ mailer.closeTicketViaRT(self.db.message_id, "Ticket Closed by Monitor")
+ act = ActionRecord(loginbase=self.db.loginbase, action='notice',
+ action_type='end_notice', message_id=self.db.message_id)
+ self.db.message_id = 0
+ self.db.message_status = "new"
+
+ def runBootManager(self, hostname):
+ print "attempting BM reboot of %s" % hostname
+ ret = ""
try:
- if action == "LOAD":
- f = open(DAT, "r+")
- logger.info("Found and reading " + DAT)
- self.emailed.update(pickle.load(f))
- if action == "WRITE":
- f = open(DAT, "w")
- logger.info("Writing " + DAT)
- pickle.dump(self.emailed, f)
- f.close()
- except Exception, err:
- logger.info("Problem with DAT, %s" %err)
-
- def run(self):
- while 1:
- self.emailsick()
-
-'''
-Returns list of nodes in dbg as reported by PLC
-'''
-def NodesDebug():
- dbgNodes = []
- api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False)
- anon = {'AuthMethod': "anonymous"}
- allnodes = api.AnonAdmGetNodes(anon, [], ['hostname','boot_state'])
- for node in allnodes:
- if node['boot_state'] == 'dbg': dbgNodes.append(node['hostname'])
- logger.info("%s nodes in debug according to PLC." %len(dbgNodes))
- return dbgNodes
-
-
-
-
-def main():
- logger.setLevel(logging.DEBUG)
- ch = logging.StreamHandler()
- ch.setLevel(logging.DEBUG)
- formatter = logging.Formatter('%(message)s')
- ch.setFormatter(formatter)
- logger.addHandler(ch)
-
- #print NodesDebug()
- tmp = Queue.Queue()
- a = Policy(None, tmp)
- a.emailedStore("LOAD")
- print a.emailed
-
- os._exit(0)
-if __name__ == '__main__':
- import os
- XMLRPC_SERVER = 'https://www.planet-lab.org/PLCAPI/'
+ ret = bootman.restore(self, hostname)
+ err = ""
+ except:
+ err = traceback.format_exc()
+ print err
+
+ act = ActionRecord(loginbase=self.db.loginbase,
+ hostname=hostname,
+ action='reboot',
+ action_type='bootmanager_restore',
+ error_string=err)
+ return ret
+
+ def attemptReboot(self, hostname):
+ print "attempting PCU reboot of %s" % hostname
+ ret = reboot.reboot_str(hostname)
+ if ret == 0 or ret == "0":
+ ret = ""
+ act = ActionRecord(loginbase=self.db.loginbase,
+ hostname=hostname,
+ action='reboot',
+ action_type='first_try_reboot',
+ error_string=ret)
+
+def logic():
+
+ plc.nodeBootState(host, 'rins')
+ node_end_record(host)
+
+
+
+
+def main(hostnames, sitenames):
+ # commands:
+ i = 1
+ node_count = 1
+ site_count = 1
+ #print "hosts: %s" % hostnames
+ for host in hostnames:
+ try:
+ lb = plccache.plcdb_hn2lb[host]
+ except:
+ print "unknown host in plcdb_hn2lb %s" % 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" % ( nodehist.hostname, nodehist.status)
+ if nodehist.status == 'good' and \
+ changed_lessthan(nodehist.last_changed, 1.0) and \
+ not found_within(recent_actions, 'online_notice', 0.5):
+ # 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)
+ print "send message for host %s online" % host
+
+ pass
+
+ if ( nodehist.status == 'offline' or nodehist.status == 'down' ) and \
+ changed_greaterthan(nodehist.last_changed,1.0) and \
+ not found_between(recent_actions, 'first_try_reboot', 3.5, 1):
+
+ sitehist.attemptReboot(host)
+ print "send message for host %s first_try_reboot" % host
+ pass
+
+ # NOTE: non-intuitive is that found_between(first_try_reboot, 3.5, 1)
+ # will be false for a day after the above condition is satisfied
+ if ( nodehist.status == 'offline' or nodehist.status == 'down' ) and \
+ changed_greaterthan(nodehist.last_changed,1.5) and \
+ found_between(recent_actions, 'first_try_reboot', 3.5, 1) and \
+ not found_within(recent_actions, 'pcufailed_notice', 3.5):
+ # found_within(recent_actions, 'first_try_reboot', 3.5) and \
+
+ # send pcu failure message
+ #act = ActionRecord(**kwargs)
+ sitehist.sendMessage('pcufailed_notice', hostname=host)
+ print "send message for host %s PCU Failure" % host
+ pass
+
+ if nodehist.status == 'monitordebug' and \
+ changed_greaterthan(nodehist.last_changed, 1) 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) 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 offline" % host
+ pass
+
+ node_count = node_count + 1
+
+ for site in sitenames:
+ sitehist = SiteInterface.get_or_make(loginbase=site)
+ # 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)
+
+ #sitehist.sendMessage('test_notice', host)
+
+ print "%s %s" % ( sitehist.db.loginbase , sitehist.db.status)
+ 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):
+
+ # TODO: catch errors
+ sitehist.increasePenalty()
+ #sitehist.applyPenalty()
+ sitehist.sendMessage('increase_penalty')
+
+ print "send message for site %s penalty increase" % site
+
+ 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.
+
+ sitehist.clearPenalty()
+ #sitehist.applyPenalty()
+ sitehist.sendMessage('clear_penalty')
+ sitehist.closeTicket()
+
+ print "send message for site %s penalty cleared" % site
+
+ # find all ticket ids for site ( could be on the site record? )
+ # 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:
+ # pause escalation
+ print "Pausing penalties for %s" % site
+ sitehist.pausePenalty()
+
+ site_count = site_count + 1
+
+ session.flush()
+
+ return
+
+
+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)
+
+# # COLLECT nodegroups, nodes and node lists
+# if config.nodegroup:
+# ng = api.GetNodeGroups({'name' : config.nodegroup})
+# nodelist = api.GetNodes(ng[0]['node_ids'])
+# hostnames = [ n['hostname'] for n in nodelist ]
+
+ 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.
+ site = api.GetSites(config.site)
+ l_nodes = api.GetNodes(site[0]['node_ids'], ['hostname'])
+ 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] ]
+
try:
- main()
+ main(hostnames, sitenames)
except KeyboardInterrupt:
- print "Killed. Exitting."
- logger.info('Monitor Killed')
- os._exit(0)
+ print "Killed by interrupt"
+ sys.exit(0)
+ except:
+ #email_exception()
+ print traceback.print_exc();
+ print "Continuing..."
git://git.onelab.eu / monitor.git / blobdiff