unified_model.py

   1 #!/usr/bin/python
   2
   3 from monitor import database
   4
   5 from monitor.wrapper import plc, plccache
   6 from monitor.wrapper import mailer
   7 import time
   8
   9 from model import *
  10 from monitor.const import *
  11 from monitor import util
  12 from monitor import config
  13
  14 def gethostlist(hostlist_file):
  15         return util.file.getListFromFile(hostlist_file)
  16
  17 def array_to_priority_map(array):
  18         """ Create a mapping where each entry of array is given a priority equal
  19         to its position in the array.  This is useful for subsequent use in the
  20         cmpMap() function."""
  21         map = {}
  22         count = 0
  23         for i in array:
  24                 map[i] = count
  25                 count += 1
  26         return map
  27
  28 def cmpValMap(v1, v2, map):
  29         if v1 in map and v2 in map and map[v1] < map[v2]:
  30                 return 1
  31         elif v1 in map and v2 in map and map[v1] > map[v2]:
  32                 return -1
  33         elif v1 in map and v2 in map:
  34                 return 0
  35         else:
  36                 raise Exception("No index %s or %s in map" % (v1, v2))
  37
  38 def cmpCategoryVal(v1, v2):
  39         # Terrible hack to manage migration to no more 'ALPHA' states.
  40         if v1 == 'ALPHA': v1 = "PROD"
  41         if v2 == 'ALPHA': v2 = "PROD"
  42         #map = array_to_priority_map([ None, 'PROD', 'ALPHA', 'OLDBOOTCD', 'UNKNOWN', 'FORCED', 'ERROR', ])
  43         map = array_to_priority_map([ None, 'ALPHA', 'PROD', 'OLDBOOTCD', 'UNKNOWN', 'FORCED', 'ERROR', ])
  44         return cmpValMap(v1,v2,map)
  45
  46
  47 class PCU:
  48         def __init__(self, hostname):
  49                 self.hostname = hostname
  50
  51         def reboot(self):
  52                 return True
  53         def available(self):
  54                 return True
  55         def previous_attempt(self):
  56                 return True
  57         def setValidMapping(self):
  58                 pass
  59
  60 class Penalty:
  61         def __init__(self, key, valuepattern, action):
  62                 pass
  63
  64 class PenaltyMap:
  65         def __init__(self):
  66                 pass
  67
  68         # connect one penalty to another, in a FSM diagram.  After one
  69         #       condition/penalty is applied, move to the next phase.
  70
  71
  72 class RT(object):
  73         def __init__(self, ticket_id = None):
  74                 self.ticket_id = ticket_id
  75                 if self.ticket_id:
  76                         print "getting ticket status",
  77                         self.status = mailer.getTicketStatus(self.ticket_id)
  78                         print self.status
  79
  80         def setTicketStatus(self, status):
  81                 mailer.setTicketStatus(self.ticket_id, status)
  82                 self.status = mailer.getTicketStatus(self.ticket_id)
  83                 return True
  84
  85         def getTicketStatus(self):
  86                 if not self.status:
  87                         self.status = mailer.getTicketStatus(self.ticket_id)
  88                 return self.status
  89
  90         def closeTicket(self):
  91                 mailer.closeTicketViaRT(self.ticket_id, "Ticket CLOSED automatically by SiteAssist.")
  92
  93         def email(self, subject, body, to):
  94                 self.ticket_id = mailer.emailViaRT(subject, body, to, self.ticket_id)
  95                 return self.ticket_id
  96
  97 class Message(object):
  98         def __init__(self, subject, message, via_rt=True, ticket_id=None, **kwargs):
  99                 self.via_rt = via_rt
 100                 self.subject = subject
 101                 self.message = message
 102                 self.rt = RT(ticket_id)
 103
 104         def send(self, to):
 105                 if self.via_rt:
 106                         return self.rt.email(self.subject, self.message, to)
 107                 else:
 108                         return mailer.email(self.subject, self.message, to)
 109
 110 class Recent(object):
 111         def __init__(self, withintime):
 112                 self.withintime = withintime
 113
 114                 try:
 115                         self.time = self.__getattribute__('time')
 116                 except:
 117                         self.time = time.time()- 7*24*60*60
 118
 119                 #self.time = time.time()
 120                 #self.action_taken = False
 121
 122         def isRecent(self):
 123                 if self.time + self.withintime < time.time():
 124                         self.action_taken = False
 125
 126                 if self.time + self.withintime > time.time() and self.action_taken:
 127                         return True
 128                 else:
 129                         return False
 130
 131         def unsetRecent(self):
 132                 self.action_taken = False
 133                 self.time = time.time()
 134                 return True
 135
 136         def setRecent(self):
 137                 self.action_taken = True
 138                 self.time = time.time()
 139                 return True
 140
 141 class PersistFlags(Recent):
 142         def __new__(typ, id, *args, **kwargs):
 143                 if 'db' in kwargs:
 144                         db = kwargs['db']
 145                         del kwargs['db']
 146                 else:
 147                         db = "persistflags"
 148
 149                 try:
 150                         pm = database.dbLoad(db)
 151                 except:
 152                         database.dbDump(db, {})
 153                         pm = database.dbLoad(db)
 154                 #print pm
 155                 if id in pm:
 156                         obj = pm[id]
 157                 else:
 158                         obj = super(PersistFlags, typ).__new__(typ, *args, **kwargs)
 159                         for key in kwargs.keys():
 160                                 obj.__setattr__(key, kwargs[key])
 161                         obj.time = time.time()
 162                         obj.action_taken = False
 163
 164                 obj.db = db
 165                 return obj
 166
 167         def __init__(self, id, withintime, **kwargs):
 168                 self.id = id
 169                 Recent.__init__(self, withintime)
 170
 171         def save(self):
 172                 pm = database.dbLoad(self.db)
 173                 pm[self.id] = self
 174                 database.dbDump(self.db, pm)
 175
 176         def resetFlag(self, name):
 177                 self.__setattr__(name, False)
 178
 179         def setFlag(self, name):
 180                 self.__setattr__(name, True)
 181
 182         def getFlag(self, name):
 183                 try:
 184                         return self.__getattribute__(name)
 185                 except:
 186                         self.__setattr__(name, False)
 187                         return False
 188
 189         def resetRecentFlag(self, name):
 190                 self.resetFlag(name)
 191                 self.unsetRecent()
 192
 193         def setRecentFlag(self, name):
 194                 self.setFlag(name)
 195                 self.setRecent()
 196
 197         def getRecentFlag(self, name):
 198                 # if recent and flag set -> true
 199                 # else false
 200                 try:
 201                         return self.isRecent() & self.__getattribute__(name)
 202                 except:
 203                         self.__setattr__(name, False)
 204                         return False
 205
 206         def checkattr(self, name):
 207                 try:
 208                         x = self.__getattribute__(name)
 209                         return True
 210                 except:
 211                         return False
 212
 213
 214 class PersistMessage(Message):
 215         def __new__(typ, id, subject, message, via_rt, **kwargs):
 216                 if 'db' in kwargs:
 217                         db = kwargs['db']
 218                 else:
 219                         db = "persistmessages"
 220
 221                 try:
 222                         pm = database.dbLoad(db)
 223                 except:
 224                         database.dbDump(db, {})
 225                         pm = database.dbLoad(db)
 226
 227                 #print pm
 228                 if id in pm:
 229                         #print "Using existing object"
 230                         obj = pm[id]
 231                 else:
 232                         #print "creating new object"
 233                         obj = super(PersistMessage, typ).__new__(typ, [id, subject, message, via_rt], **kwargs)
 234                         obj.id = id
 235                         obj.actiontracker = Recent(1*60*60*24)
 236                         obj.ticket_id = None
 237
 238                 if 'ticket_id' in kwargs and kwargs['ticket_id'] is not None:
 239                         obj.ticket_id = kwargs['ticket_id']
 240
 241                 obj.db = db
 242                 return obj
 243
 244         def __init__(self, id, subject, message, via_rt=True, **kwargs):
 245                 print "initializing object: %s" % self.ticket_id
 246                 self.id = id
 247                 Message.__init__(self, subject, message, via_rt, self.ticket_id)
 248
 249         def reset(self):
 250                 self.actiontracker.unsetRecent()
 251
 252         def save(self):
 253                 pm = database.dbLoad(self.db)
 254                 pm[self.id] = self
 255                 database.dbDump(self.db, pm)
 256
 257         def send(self, to):
 258                 if not self.actiontracker.isRecent():
 259                         self.ticket_id = Message.send(self, to)
 260                         self.actiontracker.setRecent()
 261                         self.save()
 262                 else:
 263                         # NOTE: only send a new message every week, regardless.
 264                         # NOTE: can cause thank-you messages to be lost, for instance when node comes back online within window.
 265                         print "Not sending to host b/c not within window of %s days" % (self.actiontracker.withintime // (60*60*24))
 266
 267 class MonitorMessage(object):
 268         def __new__(typ, id, *args, **kwargs):
 269                 if 'db' in kwargs:
 270                         db = kwargs['db']
 271                 else:
 272                         db = "monitormessages"
 273
 274                 try:
 275                         if 'reset' in kwargs and kwargs['reset'] == True:
 276                                 database.dbDump(db, {})
 277                         pm = database.dbLoad(db)
 278                 except:
 279                         database.dbDump(db, {})
 280                         pm = database.dbLoad(db)
 281
 282                 #print pm
 283                 if id in pm:
 284                         print "Using existing object"
 285                         obj = pm[id]
 286                 else:
 287                         print "creating new object"
 288                         obj = super(object, typ).__new__(typ, id, *args, **kwargs)
 289                         obj.id = id
 290                         obj.sp = PersistSitePenalty(id, 0)
 291
 292                 obj.db = db
 293                 return obj
 294
 295         def __init__(self, id, message):
 296                 pass
 297
 298
 299 class SitePenalty(object):
 300         penalty_map = []
 301         penalty_map.append( { 'name': 'noop',                   'enable'   : lambda host: None,
 302                                                                                                         'disable'  : lambda host: None } )
 303         penalty_map.append( { 'name': 'nocreate',               'enable'   : lambda host: plc.removeSliceCreation(host),
 304                                                                                                         'disable'  : lambda host: plc.enableSliceCreation(host) } )
 305         penalty_map.append( { 'name': 'suspendslices',  'enable'   : lambda host: plc.suspendSlices(host),
 306                                                                                                         'disable'  : lambda host: plc.enableSlices(host) } )
 307
 308         #def __init__(self, index=0, **kwargs):
 309         #       self.index = index
 310
 311         def get_penalties(self):
 312                 # TODO: get penalties actually applied to a node from PLC DB.
 313                 return [ n['name'] for n in SitePenalty.penalty_map ]
 314
 315         def increase(self):
 316                 self.index = self.index + 1
 317                 if self.index > len(SitePenalty.penalty_map)-1: self.index = len(SitePenalty.penalty_map)-1
 318                 return True
 319
 320         def decrease(self):
 321                 self.index = self.index - 1
 322                 if self.index < 0: self.index = 0
 323                 return True
 324
 325         def apply(self, host):
 326
 327                 for i in range(len(SitePenalty.penalty_map)-1,self.index,-1):
 328                         print "\tdisabling %s on %s" % (SitePenalty.penalty_map[i]['name'], host)
 329                         SitePenalty.penalty_map[i]['disable'](host)
 330
 331                 for i in range(0,self.index+1):
 332                         print "\tapplying %s on %s" % (SitePenalty.penalty_map[i]['name'], host)
 333                         SitePenalty.penalty_map[i]['enable'](host)
 334
 335                 return
 336
 337
 338
 339 class PersistSitePenalty(SitePenalty):
 340         def __new__(typ, id, index, **kwargs):
 341                 if 'db' in kwargs:
 342                         db = kwargs['db']
 343                 else:
 344                         db = "persistpenalties"
 345
 346                 try:
 347                         if 'reset' in kwargs and kwargs['reset'] == True:
 348                                 database.dbDump(db, {})
 349                         pm = database.dbLoad(db)
 350                 except:
 351                         database.dbDump(db, {})
 352                         pm = database.dbLoad(db)
 353
 354                 #print pm
 355                 if id in pm:
 356                         print "Using existing object"
 357                         obj = pm[id]
 358                 else:
 359                         print "creating new object"
 360                         obj = super(PersistSitePenalty, typ).__new__(typ, [index], **kwargs)
 361                         obj.id = id
 362                         obj.index = index
 363
 364                 obj.db = db
 365                 return obj
 366
 367         def __init__(self, id, index, **kwargs):
 368                 self.id = id
 369
 370         def save(self):
 371                 pm = database.dbLoad(self.db)
 372                 pm[self.id] = self
 373                 database.dbDump(self.db, pm)
 374
 375
 376 class Target:
 377         """
 378                 Each host has a target set of attributes.  Some may be set manually,
 379                 or others are set globally for the preferred target.
 380
 381                 For instance:
 382                         All nodes in the Alpha or Beta group would have constraints like:
 383                                 [ { 'state' : 'BOOT', 'kernel' : '2.6.22' } ]
 384         """
 385         def __init__(self, constraints):
 386                 self.constraints = constraints
 387
 388         def verify(self, data):
 389                 """
 390                         self.constraints is a list of key, value pairs.
 391                         # [ {... : ...}==AND , ... , ... , ] == OR
 392                 """
 393                 con_or_true = False
 394                 for con in self.constraints:
 395                         #print "con: %s" % con
 396                         con_and_true = True
 397                         for key in con.keys():
 398                                 #print "looking at key: %s" % key
 399                                 if key in data:
 400                                         #print "%s %s" % (con[key], data[key])
 401                                         con_and_true = con_and_true & (con[key] in data[key])
 402                                 elif key not in data:
 403                                         print "missing key %s" % key
 404                                         con_and_true = False
 405
 406                         con_or_true = con_or_true | con_and_true
 407
 408                 return con_or_true
 409
 410 class Record(object):
 411
 412         def __init__(self, hostname, data):
 413                 self.hostname = hostname
 414                 self.data = data
 415                 self.plcdb_hn2lb = plccache.plcdb_hn2lb
 416                 self.loginbase = self.plcdb_hn2lb[self.hostname]
 417                 return
 418
 419
 420         def stageIswaitforever(self):
 421                 if 'waitforever' in self.data['stage']:
 422                         return True
 423                 else:
 424                         return False
 425
 426         def severity(self):
 427                 category = self.data['category']
 428                 prev_category = self.data['prev_category']
 429                 #print "SEVERITY: ", category, prev_category
 430                 val = cmpCategoryVal(category, prev_category)
 431                 return val
 432
 433         def improved(self):
 434                 return self.severity() > 0
 435
 436         def end_record(self):
 437                 return node_end_record(self.hostname)
 438
 439         def reset_stage(self):
 440                 self.data['stage'] = 'findbad'
 441                 return True
 442
 443         def getCategory(self):
 444                 return self.data['category'].lower()
 445
 446         def getState(self):
 447                 return self.data['state'].lower()
 448
 449         def getDaysDown(cls, diag_record):
 450                 daysdown = -1
 451                 if diag_record['comonstats']['uptime'] != "null" and diag_record['comonstats']['uptime'] != "-1":
 452                         daysdown = - int(float(diag_record['comonstats']['uptime'])) // (60*60*24)
 453                 #elif diag_record['comonstats']['sshstatus'] != "null":
 454                 #       daysdown = int(diag_record['comonstats']['sshstatus']) // (60*60*24)
 455                 #elif diag_record['comonstats']['lastcotop'] != "null":
 456                 #       daysdown = int(diag_record['comonstats']['lastcotop']) // (60*60*24)
 457                 else:
 458                         now = time.time()
 459                         last_contact = diag_record['plcnode']['last_contact']
 460                         if last_contact == None:
 461                                 # the node has never been up, so give it a break
 462                                 daysdown = -1
 463                         else:
 464                                 diff = now - last_contact
 465                                 daysdown = diff // (60*60*24)
 466                 return daysdown
 467         getDaysDown = classmethod(getDaysDown)
 468
 469         def getStrDaysDown(cls, diag_record):
 470                 daysdown = "unknown"
 471                 last_contact = diag_record['plcnode']['last_contact']
 472                 date_created = diag_record['plcnode']['date_created']
 473
 474                 if      diag_record['comonstats']['uptime'] != "null" and \
 475                         diag_record['comonstats']['uptime'] != "-1":
 476                         daysdown = int(float(diag_record['comonstats']['uptime'])) // (60*60*24)
 477                         daysdown = "%d days up" % daysdown
 478
 479                 elif last_contact is None:
 480                         if date_created is not None:
 481                                 now = time.time()
 482                                 diff = now - date_created
 483                                 daysdown = diff // (60*60*24)
 484                                 daysdown = "Never contacted PLC, created %s days ago" % daysdown
 485                         else:
 486                                 daysdown = "Never contacted PLC"
 487                 else:
 488                         now = time.time()
 489                         diff = now - last_contact
 490                         daysdown = diff // (60*60*24)
 491                         daysdown = "%s days down" % daysdown
 492                 return daysdown
 493         getStrDaysDown = classmethod(getStrDaysDown)
 494
 495         def getSendEmailFlag(self):
 496                 if not config.mail:
 497                         return False
 498
 499                 # resend if open & created longer than 30 days ago.
 500                 if  'rt' in self.data and \
 501                         'Status' in self.data['rt'] and \
 502                         "open" in self.data['rt']['Status'] and \
 503                         self.data['rt']['Created'] > int(time.time() - 60*60*24*30):
 504                         # if created-time is greater than the thirty days ago from the current time
 505                         return False
 506
 507                 return True
 508
 509         def getMostRecentStage(self):
 510                 lastact = self.data['last_action_record']
 511                 return lastact.stage
 512
 513         def getMostRecentTime(self):
 514                 lastact = self.data['last_action_record']
 515                 return lastact.date_action_taken
 516
 517         def takeAction(self, index=0):
 518                 pp = PersistSitePenalty(self.hostname, 0, db='persistpenalty_hostnames')
 519                 if 'improvement' in self.data['stage'] or self.improved() or \
 520                         'monitor-end-record' in self.data['stage']:
 521                         print "takeAction: decreasing penalty for %s"%self.hostname
 522                         pp.decrease()
 523                         pp.decrease()
 524                 else:
 525                         print "takeAction: increasing penalty for %s"%self.hostname
 526                         pp.increase()
 527                 pp.index = index
 528                 pp.apply(self.hostname)
 529                 pp.save()
 530
 531         def _format_diaginfo(self):
 532                 info = self.data['info']
 533                 print "FORMAT : STAGE: ", self.data['stage']
 534                 if self.data['stage'] == 'monitor-end-record':
 535                         if info[2] == "ALPHA": info = (info[0], info[1], "PROD")
 536                         hlist = "    %s went from '%s' to '%s'\n" % (info[0], info[1], info[2])
 537                 else:
 538                         hlist = "    %s %s - %s\n" % (info[0], info[2], info[1]) #(node,ver,daysdn)
 539                 return hlist
 540         def saveAction(self):
 541                 if 'save_act_all' in self.data and self.data['save_act_all'] == True:
 542                         return True
 543                 else:
 544                         return False
 545
 546         def getMessage(self, ticket_id=None):
 547                 self.data['args']['hostname'] = self.hostname
 548                 self.data['args']['loginbase'] = self.loginbase
 549                 self.data['args']['hostname_list'] = self._format_diaginfo()
 550                 #print self.data['message']
 551                 if self.data['message']:
 552                         message = PersistMessage(self.hostname,
 553                                                                  self.data['message'][0] % self.data['args'],
 554                                                                  self.data['message'][1] % self.data['args'],
 555                                                                  True, db='monitor_persistmessages',
 556                                                                  ticket_id=ticket_id)
 557                         if self.data['stage'] == "improvement":
 558                                 message.reset()
 559                         return message
 560                 else:
 561                         return None
 562
 563         def getContacts(self):
 564                 roles = self.data['email']
 565
 566                 if not config.mail and not config.debug and config.bcc:
 567                         roles = ADMIN
 568                 if config.mail and config.debug:
 569                         roles = ADMIN
 570
 571                 # build targets
 572                 contacts = []
 573                 if ADMIN & roles:
 574                         contacts += [config.email]
 575                 if TECH & roles:
 576                         #contacts += [TECHEMAIL % self.loginbase]
 577                         contacts += plc.getTechEmails(self.loginbase)
 578                 if PI & roles:
 579                         #contacts += [PIEMAIL % self.loginbase]
 580                         contacts += plc.getSliceUserEmails(self.loginbase)
 581                 if USER & roles:
 582                         contacts += plc.getSliceUserEmails(self.loginbase)
 583                         slices = plc.slices(self.loginbase)
 584                         if len(slices) >= 1:
 585                                 #for slice in slices:
 586                                 #       contacts += [SLICEMAIL % slice]
 587                                 print "SLIC: %20s : %d slices" % (self.loginbase, len(slices))
 588                         else:
 589                                 print "SLIC: %20s : 0 slices" % self.loginbase
 590
 591                 return contacts
 592
 593
 594 class NodeRecord:
 595         def __init__(self, hostname, target):
 596                 self.hostname = hostname
 597                 self.ticket = None
 598                 self.target = target
 599
 600 class Action(MonRecord):
 601         def __init__(self, host, data):
 602                 self.host = host
 603                 MonRecord.__init__(self, data)
 604                 return
 605
 606         def deltaDays(self, delta):
 607                 t = datetime.fromtimestamp(self.__dict__['time'])
 608                 d = t + timedelta(delta)
 609                 self.__dict__['time'] = time.mktime(d.timetuple())
 610
 611 def node_end_record(node):
 612         act_all = database.dbLoad("act_all")
 613         if node not in act_all:
 614                 del act_all
 615                 return False
 616
 617         if len(act_all[node]) == 0:
 618                 del act_all
 619                 return False
 620
 621         pm = database.dbLoad("monitor_persistmessages")
 622         if node not in pm:
 623                 del pm
 624                 return False
 625         else:
 626                 print "deleting node record"
 627                 del pm[node]
 628                 database.dbDump("monitor_persistmessages", pm)
 629
 630         a = Action(node, act_all[node][0])
 631         a.delField('rt')
 632         a.delField('found_rt_ticket')
 633         a.delField('second-mail-at-oneweek')
 634         a.delField('second-mail-at-twoweeks')
 635         a.delField('first-found')
 636         rec = a.get()
 637         rec['action'] = ["close_rt"]
 638         rec['category'] = "ALPHA"       # assume that it's up...
 639         rec['stage'] = "monitor-end-record"
 640         rec['ticket_id'] = None
 641         rec['time'] = time.time() - 7*60*60*24
 642         act_all[node].insert(0,rec)
 643         database.dbDump("act_all", act_all)
 644         del act_all
 645         return True
 646
 647 if __name__ == "__main__":
 648         #r = RT()
 649         #r.email("test", "body of test message", ['database@cs.princeton.edu'])
 650         #from emailTxt import mailtxt
 651         print "loaded"
 652         #database.dbDump("persistmessages", {});
 653         #args = {'url_list': 'http://www.planet-lab.org/bootcds/planet1.usb\n','hostname': 'planet1','hostname_list': ' blahblah -  days down\n'}
 654         #m = PersistMessage("blue", "test 1", mailtxt.newdown_one[1] % args, True)
 655         #m.send(['soltesz@cs.utk.edu'])
 656         #m = PersistMessage("blue", "test 1 - part 2", mailtxt.newalphacd_one[1] % args, True)
 657         # TRICK timer to thinking some time has passed.
 658         #m.actiontracker.time = time.time() - 6*60*60*24
 659         #m.send(['soltesz@cs.utk.edu'])