dashboard/src/api/models.py

   1 ##############################################################################
   2 # Copyright (c) 2018 Sawyer Bergeron, Parker Berberian, and others.
   3 #
   4 # All rights reserved. This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 ##############################################################################
   9
  10
  11 from django.contrib.auth.models import User
  12 from django.db import models
  13 from django.core.exceptions import PermissionDenied
  14 from django.shortcuts import get_object_or_404
  15
  16 import json
  17 import uuid
  18
  19 from booking.models import Booking
  20 from resource_inventory.models import (
  21     Lab,
  22     HostProfile,
  23     Host,
  24     Image,
  25     Interface,
  26     RemoteInfo
  27 )
  28 from resource_inventory.idf_templater import IDFTemplater
  29 from resource_inventory.pdf_templater import PDFTemplater
  30
  31
  32 class JobStatus(object):
  33     NEW = 0
  34     CURRENT = 100
  35     DONE = 200
  36     ERROR = 300
  37
  38
  39 class LabManagerTracker(object):
  40
  41     @classmethod
  42     def get(cls, lab_name, token):
  43         """
  44         Takes in a lab name (from a url path)
  45         returns a lab manager instance for that lab, if it exists
  46         """
  47         try:
  48             lab = Lab.objects.get(name=lab_name)
  49         except Exception:
  50             raise PermissionDenied("Lab not found")
  51         if lab.api_token == token:
  52             return LabManager(lab)
  53         raise PermissionDenied("Lab not authorized")
  54
  55
  56 class LabManager(object):
  57     """
  58     This is the class that will ultimately handle all REST calls to
  59     lab endpoints.
  60     handles jobs, inventory, status, etc
  61     may need to create helper classes
  62     """
  63
  64     def __init__(self, lab):
  65         self.lab = lab
  66
  67     def update_host_remote_info(self, data, host_id):
  68         host = get_object_or_404(Host, labid=host_id, lab=self.lab)
  69         info = {}
  70         try:
  71             info['address'] = data['address']
  72             info['mac_address'] = data['mac_address']
  73             info['password'] = data['password']
  74             info['user'] = data['user']
  75             info['type'] = data['type']
  76             info['versions'] = json.dumps(data['versions'])
  77         except Exception as e:
  78             return {"error": "invalid arguement: " + str(e)}
  79         remote_info = host.remote_management
  80         if "default" in remote_info.mac_address:
  81             remote_info = RemoteInfo()
  82         remote_info.address = info['address']
  83         remote_info.mac_address = info['mac_address']
  84         remote_info.password = info['password']
  85         remote_info.user = info['user']
  86         remote_info.type = info['type']
  87         remote_info.versions = info['versions']
  88         remote_info.save()
  89         host.remote_management = remote_info
  90         host.save()
  91         booking = Booking.objects.get(resource=host.bundle)
  92         self.update_xdf(booking)
  93         return {"status": "success"}
  94
  95     def update_xdf(self, booking):
  96         booking.pdf = PDFTemplater.makePDF(booking.resource)
  97         booking.idf = IDFTemplater().makeIDF(booking)
  98         booking.save()
  99
 100     def get_profile(self):
 101         prof = {}
 102         prof['name'] = self.lab.name
 103         prof['contact'] = {
 104             "phone": self.lab.contact_phone,
 105             "email": self.lab.contact_email
 106         }
 107         prof['host_count'] = []
 108         for host in HostProfile.objects.filter(labs=self.lab):
 109             count = Host.objects.filter(profile=host, lab=self.lab).count()
 110             prof['host_count'].append(
 111                 {
 112                     "type": host.name,
 113                     "count": count
 114                 }
 115             )
 116         return prof
 117
 118     def get_inventory(self):
 119         inventory = {}
 120         hosts = Host.objects.filter(lab=self.lab)
 121         images = Image.objects.filter(from_lab=self.lab)
 122         profiles = HostProfile.objects.filter(labs=self.lab)
 123         inventory['hosts'] = self.serialize_hosts(hosts)
 124         inventory['images'] = self.serialize_images(images)
 125         inventory['host_types'] = self.serialize_host_profiles(profiles)
 126         return inventory
 127
 128     def get_host(self, hostname):
 129         host = get_object_or_404(Host, labid=hostname, lab=self.lab)
 130         return {
 131             "booked": host.booked,
 132             "working": host.working,
 133             "type": host.profile.name
 134         }
 135
 136     def update_host(self, hostname, data):
 137         host = get_object_or_404(Host, labid=hostname, lab=self.lab)
 138         if "working" in data:
 139             working = data['working'] == "true"
 140             host.working = working
 141         host.save()
 142         return self.get_host(hostname)
 143
 144     def get_status(self):
 145         return {"status": self.lab.status}
 146
 147     def set_status(self, payload):
 148         {}
 149
 150     def get_current_jobs(self):
 151         jobs = Job.objects.filter(booking__lab=self.lab)
 152
 153         return self.serialize_jobs(jobs, status=JobStatus.CURRENT)
 154
 155     def get_new_jobs(self):
 156         jobs = Job.objects.filter(booking__lab=self.lab)
 157
 158         return self.serialize_jobs(jobs, status=JobStatus.NEW)
 159
 160     def get_done_jobs(self):
 161         jobs = Job.objects.filter(booking__lab=self.lab)
 162
 163         return self.serialize_jobs(jobs, status=JobStatus.DONE)
 164
 165     def get_job(self, jobid):
 166         return Job.objects.get(pk=jobid).to_dict()
 167
 168     def update_job(self, jobid, data):
 169         {}
 170
 171     def serialize_jobs(self, jobs, status=JobStatus.NEW):
 172         job_ser = []
 173         for job in jobs:
 174             jsonized_job = job.get_delta(status)
 175             if len(jsonized_job['payload']) < 1:
 176                 continue
 177             job_ser.append(jsonized_job)
 178
 179         return job_ser
 180
 181     def serialize_hosts(self, hosts):
 182         host_ser = []
 183         for host in hosts:
 184             h = {}
 185             h['interfaces'] = []
 186             h['hostname'] = host.name
 187             h['host_type'] = host.profile.name
 188             for iface in host.interfaces.all():
 189                 eth = {}
 190                 eth['mac'] = iface.mac_address
 191                 eth['busaddr'] = iface.bus_address
 192                 eth['name'] = iface.name
 193                 eth['switchport'] = {"switch_name": iface.switch_name, "port_name": iface.port_name}
 194                 h['interfaces'].append(eth)
 195         return host_ser
 196
 197     def serialize_images(self, images):
 198         images_ser = []
 199         for image in images:
 200             images_ser.append(
 201                 {
 202                     "name": image.name,
 203                     "lab_id": image.lab_id,
 204                     "dashboard_id": image.id
 205                 }
 206             )
 207         return images_ser
 208
 209     def serialize_host_profiles(self, profiles):
 210         profile_ser = []
 211         for profile in profiles:
 212             p = {}
 213             p['cpu'] = {
 214                 "cores": profile.cpuprofile.first().cores,
 215                 "arch": profile.cpuprofile.first().architecture,
 216                 "cpus": profile.cpuprofile.first().cpus,
 217             }
 218             p['disks'] = []
 219             for disk in profile.storageprofile.all():
 220                 d = {
 221                     "size": disk.size,
 222                     "type": disk.media_type,
 223                     "name": disk.name
 224                 }
 225                 p['disks'].append(d)
 226             p['description'] = profile.description
 227             p['interfaces'] = []
 228             for iface in profile.interfaceprofile.all():
 229                 p['interfaces'].append(
 230                     {
 231                         "speed": iface.speed,
 232                         "name": iface.name
 233                     }
 234                 )
 235
 236             p['ram'] = {"amount": profile.ramprofile.first().amount}
 237             p['name'] = profile.name
 238             profile_ser.append(p)
 239         return profile_ser
 240
 241
 242 class Job(models.Model):
 243     """
 244     This is the class that is serialized and put into the api
 245     """
 246     booking = models.OneToOneField(Booking, on_delete=models.CASCADE, null=True)
 247     status = models.IntegerField(default=JobStatus.NEW)
 248     complete = models.BooleanField(default=False)
 249
 250     def to_dict(self):
 251         d = {}
 252         j = {}
 253         j['id'] = self.id
 254         for relation in AccessRelation.objects.filter(job=self):
 255             if 'access' not in d:
 256                 d['access'] = {}
 257             d['access'][relation.task_id] = relation.config.to_dict()
 258         for relation in SoftwareRelation.objects.filter(job=self):
 259             if 'software' not in d:
 260                 d['software'] = {}
 261             d['software'][relation.task_id] = relation.config.to_dict()
 262         for relation in HostHardwareRelation.objects.filter(job=self):
 263             if 'hardware' not in d:
 264                 d['hardware'] = {}
 265             d['hardware'][relation.task_id] = relation.config.to_dict()
 266         for relation in HostNetworkRelation.objects.filter(job=self):
 267             if 'network' not in d:
 268                 d['network'] = {}
 269             d['network'][relation.task_id] = relation.config.to_dict()
 270         for relation in SnapshotRelation.objects.filter(job=self):
 271             if 'snapshot' not in d:
 272                 d['snapshot'] = {}
 273             d['snapshot'][relation.task_id] = relation.config.to_dict()
 274
 275         j['payload'] = d
 276
 277         return j
 278
 279     def get_tasklist(self, status="all"):
 280         tasklist = []
 281         clist = [
 282             HostHardwareRelation,
 283             AccessRelation,
 284             HostNetworkRelation,
 285             SoftwareRelation,
 286             SnapshotRelation
 287         ]
 288         if status == "all":
 289             for cls in clist:
 290                 tasklist += list(cls.objects.filter(job=self))
 291         else:
 292             for cls in clist:
 293                 tasklist += list(cls.objects.filter(job=self).filter(status=status))
 294         return tasklist
 295
 296     def is_fulfilled(self):
 297         """
 298         This method should return true if all of the job's tasks are done,
 299         and false otherwise
 300         """
 301         my_tasks = self.get_tasklist()
 302         for task in my_tasks:
 303             if task.status != JobStatus.DONE:
 304                 return False
 305         return True
 306
 307     def get_delta(self, status):
 308         d = {}
 309         j = {}
 310         j['id'] = self.id
 311         for relation in AccessRelation.objects.filter(job=self).filter(status=status):
 312             if 'access' not in d:
 313                 d['access'] = {}
 314             d['access'][relation.task_id] = relation.config.get_delta()
 315         for relation in SoftwareRelation.objects.filter(job=self).filter(status=status):
 316             if 'software' not in d:
 317                 d['software'] = {}
 318             d['software'][relation.task_id] = relation.config.get_delta()
 319         for relation in HostHardwareRelation.objects.filter(job=self).filter(status=status):
 320             if 'hardware' not in d:
 321                 d['hardware'] = {}
 322             d['hardware'][relation.task_id] = relation.config.get_delta()
 323         for relation in HostNetworkRelation.objects.filter(job=self).filter(status=status):
 324             if 'network' not in d:
 325                 d['network'] = {}
 326             d['network'][relation.task_id] = relation.config.get_delta()
 327         for relation in SnapshotRelation.objects.filter(job=self).filter(status=status):
 328             if 'snapshot' not in d:
 329                 d['snapshot'] = {}
 330             d['snapshot'][relation.task_id] = relation.config.get_delta()
 331
 332         j['payload'] = d
 333         return j
 334
 335     def to_json(self):
 336         return json.dumps(self.to_dict())
 337
 338
 339 class TaskConfig(models.Model):
 340     def to_dict(self):
 341         pass
 342
 343     def get_delta(self):
 344         pass
 345
 346     def to_json(self):
 347         return json.dumps(self.to_dict())
 348
 349     def clear_delta(self):
 350         self.delta = '{}'
 351
 352
 353 class OpnfvApiConfig(models.Model):
 354
 355     installer = models.CharField(max_length=200)
 356     scenario = models.CharField(max_length=300)
 357     roles = models.ManyToManyField(Host)
 358     delta = models.TextField()
 359
 360     def to_dict(self):
 361         d = {}
 362         if self.installer:
 363             d['installer'] = self.installer
 364         if self.scenario:
 365             d['scenario'] = self.scenario
 366
 367         hosts = self.roles.all()
 368         if hosts.exists():
 369             d['roles'] = []
 370         for host in self.roles.all():
 371             d['roles'].append({host.labid: host.config.opnfvRole.name})
 372
 373         return d
 374
 375     def to_json(self):
 376         return json.dumps(self.to_dict())
 377
 378     def set_installer(self, installer):
 379         self.installer = installer
 380         d = json.loads(self.delta)
 381         d['installer'] = installer
 382         self.delta = json.dumps(d)
 383
 384     def set_scenario(self, scenario):
 385         self.scenario = scenario
 386         d = json.loads(self.delta)
 387         d['scenario'] = scenario
 388         self.delta = json.dumps(d)
 389
 390     def add_role(self, host):
 391         self.roles.add(host)
 392         d = json.loads(self.delta)
 393         if 'role' not in d:
 394             d['role'] = []
 395         d['roles'].append({host.labid: host.config.opnfvRole.name})
 396         self.delta = json.dumps(d)
 397
 398     def clear_delta(self):
 399         self.delta = '{}'
 400
 401     def get_delta(self):
 402         if not self.delta:
 403             self.delta = self.to_json()
 404             self.save()
 405         return json.loads(self.delta)
 406
 407
 408 class AccessConfig(TaskConfig):
 409     access_type = models.CharField(max_length=50)
 410     user = models.ForeignKey(User, on_delete=models.CASCADE)
 411     revoke = models.BooleanField(default=False)
 412     context = models.TextField(default="")
 413     delta = models.TextField(default="{}")
 414
 415     def to_dict(self):
 416         d = {}
 417         d['access_type'] = self.access_type
 418         d['user'] = self.user.id
 419         d['revoke'] = self.revoke
 420         try:
 421             d['context'] = json.loads(self.context)
 422         except Exception:
 423             pass
 424         return d
 425
 426     def get_delta(self):
 427         if not self.delta:
 428             self.delta = self.to_json()
 429             self.save()
 430         d = json.loads(self.delta)
 431         d["lab_token"] = self.accessrelation.lab_token
 432
 433         return d
 434
 435     def to_json(self):
 436         return json.dumps(self.to_dict())
 437
 438     def clear_delta(self):
 439         d = {}
 440         d["lab_token"] = self.accessrelation.lab_token
 441         self.delta = json.dumps(d)
 442
 443     def set_access_type(self, access_type):
 444         self.access_type = access_type
 445         d = json.loads(self.delta)
 446         d['access_type'] = access_type
 447         self.delta = json.dumps(d)
 448
 449     def set_user(self, user):
 450         self.user = user
 451         d = json.loads(self.delta)
 452         d['user'] = self.user.id
 453         self.delta = json.dumps(d)
 454
 455     def set_revoke(self, revoke):
 456         self.revoke = revoke
 457         d = json.loads(self.delta)
 458         d['revoke'] = revoke
 459         self.delta = json.dumps(d)
 460
 461     def set_context(self, context):
 462         self.context = json.dumps(context)
 463         d = json.loads(self.delta)
 464         d['context'] = context
 465         self.delta = json.dumps(d)
 466
 467
 468 class SoftwareConfig(TaskConfig):
 469     """
 470     handled opnfv installations, etc
 471     """
 472     opnfv = models.ForeignKey(OpnfvApiConfig, on_delete=models.CASCADE)
 473
 474     def to_dict(self):
 475         d = {}
 476         if self.opnfv:
 477             d['opnfv'] = self.opnfv.to_dict()
 478
 479         d["lab_token"] = self.softwarerelation.lab_token
 480         self.delta = json.dumps(d)
 481
 482         return d
 483
 484     def get_delta(self):
 485         d = {}
 486         d['opnfv'] = self.opnfv.get_delta()
 487         d['lab_token'] = self.softwarerelation.lab_token
 488
 489         return d
 490
 491     def clear_delta(self):
 492         self.opnfv.clear_delta()
 493
 494     def to_json(self):
 495         return json.dumps(self.to_dict())
 496
 497
 498 class HardwareConfig(TaskConfig):
 499     """
 500     handles imaging, user accounts, etc
 501     """
 502     image = models.CharField(max_length=100, default="defimage")
 503     power = models.CharField(max_length=100, default="off")
 504     hostname = models.CharField(max_length=100, default="hostname")
 505     ipmi_create = models.BooleanField(default=False)
 506     delta = models.TextField()
 507
 508     def to_dict(self):
 509         d = {}
 510         d['image'] = self.image
 511         d['power'] = self.power
 512         d['hostname'] = self.hostname
 513         d['ipmi_create'] = str(self.ipmi_create)
 514         d['id'] = self.hosthardwarerelation.host.labid
 515         return d
 516
 517     def to_json(self):
 518         return json.dumps(self.to_dict())
 519
 520     def get_delta(self):
 521         if not self.delta:
 522             self.delta = self.to_json()
 523             self.save()
 524         d = json.loads(self.delta)
 525         d['lab_token'] = self.hosthardwarerelation.lab_token
 526         return d
 527
 528     def clear_delta(self):
 529         d = {}
 530         d["id"] = self.hosthardwarerelation.host.labid
 531         d["lab_token"] = self.hosthardwarerelation.lab_token
 532         self.delta = json.dumps(d)
 533
 534     def set_image(self, image):
 535         self.image = image
 536         d = json.loads(self.delta)
 537         d['image'] = self.image
 538         self.delta = json.dumps(d)
 539
 540     def set_power(self, power):
 541         self.power = power
 542         d = json.loads(self.delta)
 543         d['power'] = power
 544         self.delta = json.dumps(d)
 545
 546     def set_hostname(self, hostname):
 547         self.hostname = hostname
 548         d = json.loads(self.delta)
 549         d['hostname'] = hostname
 550         self.delta = json.dumps(d)
 551
 552     def set_ipmi_create(self, ipmi_create):
 553         self.ipmi_create = ipmi_create
 554         d = json.loads(self.delta)
 555         d['ipmi_create'] = ipmi_create
 556         self.delta = json.dumps(d)
 557
 558
 559 class NetworkConfig(TaskConfig):
 560     """
 561     handles network configuration
 562     """
 563     interfaces = models.ManyToManyField(Interface)
 564     delta = models.TextField()
 565
 566     def to_dict(self):
 567         d = {}
 568         hid = self.hostnetworkrelation.host.labid
 569         d[hid] = {}
 570         for interface in self.interfaces.all():
 571             d[hid][interface.mac_address] = []
 572             for vlan in interface.config.all():
 573                 d[hid][interface.mac_address].append({"vlan_id": vlan.vlan_id, "tagged": vlan.tagged})
 574
 575         return d
 576
 577     def to_json(self):
 578         return json.dumps(self.to_dict())
 579
 580     def get_delta(self):
 581         if not self.delta:
 582             self.delta = self.to_json()
 583             self.save()
 584         d = json.loads(self.delta)
 585         d['lab_token'] = self.hostnetworkrelation.lab_token
 586         return d
 587
 588     def clear_delta(self):
 589         self.delta = json.dumps(self.to_dict())
 590         self.save()
 591
 592     def add_interface(self, interface):
 593         self.interfaces.add(interface)
 594         d = json.loads(self.delta)
 595         hid = self.hostnetworkrelation.host.labid
 596         if hid not in d:
 597             d[hid] = {}
 598         d[hid][interface.mac_address] = []
 599         for vlan in interface.config.all():
 600             d[hid][interface.mac_address].append({"vlan_id": vlan.vlan_id, "tagged": vlan.tagged})
 601         self.delta = json.dumps(d)
 602
 603
 604 class SnapshotConfig(TaskConfig):
 605
 606     host = models.ForeignKey(Host, null=True, on_delete=models.DO_NOTHING)
 607     image = models.IntegerField(null=True)
 608     dashboard_id = models.IntegerField()
 609     delta = models.TextField(default="{}")
 610
 611     def to_dict(self):
 612         d = {}
 613         if self.host:
 614             d['host'] = self.host.labid
 615         if self.image:
 616             d['image'] = self.image
 617         d['dashboard_id'] = self.dashboard_id
 618         return d
 619
 620     def to_json(self):
 621         return json.dumps(self.to_dict())
 622
 623     def get_delta(self):
 624         if not self.delta:
 625             self.delta = self.to_json()
 626             self.save()
 627         d = json.loads(self.delta)
 628         return d
 629
 630     def clear_delta(self):
 631         self.delta = json.dumps(self.to_dict())
 632         self.save()
 633
 634     def set_host(self, host):
 635         self.host = host
 636         d = json.loads(self.delta)
 637         d['host'] = host.labid
 638         self.delta = json.dumps(d)
 639
 640     def set_image(self, image):
 641         self.image = image
 642         d = json.loads(self.delta)
 643         d['image'] = self.image
 644         self.delta = json.dumps(d)
 645
 646     def clear_image(self):
 647         self.image = None
 648         d = json.loads(self.delta)
 649         d.pop("image", None)
 650         self.delta = json.dumps(d)
 651
 652     def set_dashboard_id(self, dash):
 653         self.dashboard_id = dash
 654         d = json.loads(self.delta)
 655         d['dashboard_id'] = self.dashboard_id
 656         self.delta = json.dumps(d)
 657
 658
 659 def get_task(task_id):
 660     for taskclass in [AccessRelation, SoftwareRelation, HostHardwareRelation, HostNetworkRelation, SnapshotRelation]:
 661         try:
 662             ret = taskclass.objects.get(task_id=task_id)
 663             return ret
 664         except taskclass.DoesNotExist:
 665             pass
 666     from django.core.exceptions import ObjectDoesNotExist
 667     raise ObjectDoesNotExist("Could not find matching TaskRelation instance")
 668
 669
 670 def get_task_uuid():
 671     return str(uuid.uuid4())
 672
 673
 674 class TaskRelation(models.Model):
 675     status = models.IntegerField(default=JobStatus.NEW)
 676     job = models.ForeignKey(Job, on_delete=models.CASCADE)
 677     config = models.OneToOneField(TaskConfig, on_delete=models.CASCADE)
 678     task_id = models.CharField(default=get_task_uuid, max_length=37)
 679     lab_token = models.CharField(default="null", max_length=50)
 680     message = models.TextField(default="")
 681
 682     def delete(self, *args, **kwargs):
 683         self.config.delete()
 684         return super(self.__class__, self).delete(*args, **kwargs)
 685
 686     def type_str(self):
 687         return "Generic Task"
 688
 689     class Meta:
 690         abstract = True
 691
 692
 693 class AccessRelation(TaskRelation):
 694     config = models.OneToOneField(AccessConfig, on_delete=models.CASCADE)
 695
 696     def type_str(self):
 697         return "Access Task"
 698
 699     def delete(self, *args, **kwargs):
 700         self.config.delete()
 701         return super(self.__class__, self).delete(*args, **kwargs)
 702
 703
 704 class SoftwareRelation(TaskRelation):
 705     config = models.OneToOneField(SoftwareConfig, on_delete=models.CASCADE)
 706
 707     def type_str(self):
 708         return "Software Configuration Task"
 709
 710     def delete(self, *args, **kwargs):
 711         self.config.delete()
 712         return super(self.__class__, self).delete(*args, **kwargs)
 713
 714
 715 class HostHardwareRelation(TaskRelation):
 716     host = models.ForeignKey(Host, on_delete=models.CASCADE)
 717     config = models.OneToOneField(HardwareConfig, on_delete=models.CASCADE)
 718
 719     def type_str(self):
 720         return "Hardware Configuration Task"
 721
 722     def get_delta(self):
 723         return self.config.to_dict()
 724
 725     def delete(self, *args, **kwargs):
 726         self.config.delete()
 727         return super(self.__class__, self).delete(*args, **kwargs)
 728
 729
 730 class HostNetworkRelation(TaskRelation):
 731     host = models.ForeignKey(Host, on_delete=models.CASCADE)
 732     config = models.OneToOneField(NetworkConfig, on_delete=models.CASCADE)
 733
 734     def type_str(self):
 735         return "Network Configuration Task"
 736
 737     def delete(self, *args, **kwargs):
 738         self.config.delete()
 739         return super(self.__class__, self).delete(*args, **kwargs)
 740
 741
 742 class SnapshotRelation(TaskRelation):
 743     snapshot = models.ForeignKey(Image, on_delete=models.CASCADE)
 744     config = models.OneToOneField(SnapshotConfig, on_delete=models.CASCADE)
 745
 746     def type_str(self):
 747         return "Snapshot Task"
 748
 749     def get_delta(self):
 750         return self.config.to_dict()
 751
 752     def delete(self, *args, **kwargs):
 753         self.config.delete()
 754         return super(self.__class__, self).delete(*args, **kwargs)
 755
 756
 757 class JobFactory(object):
 758
 759     @classmethod
 760     def reimageHost(cls, new_image, booking, host):
 761         """
 762         This method will make all necessary changes to make a lab
 763         reimage a host.
 764         """
 765         job = Job.objects.get(booking=booking)
 766         # make hardware task new
 767         hardware_relation = HostHardwareRelation.objects.get(host=host, job=job)
 768         hardware_relation.config.set_image(new_image.lab_id)
 769         hardware_relation.config.save()
 770         hardware_relation.status = JobStatus.NEW
 771
 772         # re-apply networking after host is reset
 773         net_relation = HostNetworkRelation.objects.get(host=host, job=job)
 774         net_relation.status = JobStatus.NEW
 775
 776         # re-apply ssh access after host is reset
 777         for relation in AccessRelation.objects.filter(job=job, config__access_type="ssh"):
 778             relation.status = JobStatus.NEW
 779             relation.save()
 780
 781         hardware_relation.save()
 782         net_relation.save()
 783
 784     @classmethod
 785     def makeSnapshotTask(cls, image, booking, host):
 786         relation = SnapshotRelation()
 787         job = Job.objects.get(booking=booking)
 788         config = SnapshotConfig.objects.create(dashboard_id=image.id)
 789
 790         relation.job = job
 791         relation.config = config
 792         relation.config.save()
 793         relation.config = relation.config
 794         relation.snapshot = image
 795         relation.save()
 796
 797         config.clear_delta()
 798         config.set_host(host)
 799         config.save()
 800
 801     @classmethod
 802     def makeCompleteJob(cls, booking):
 803         hosts = Host.objects.filter(bundle=booking.resource)
 804         job = None
 805         try:
 806             job = Job.objects.get(booking=booking)
 807         except Exception:
 808             job = Job.objects.create(status=JobStatus.NEW, booking=booking)
 809         cls.makeHardwareConfigs(
 810             hosts=hosts,
 811             job=job
 812         )
 813         cls.makeNetworkConfigs(
 814             hosts=hosts,
 815             job=job
 816         )
 817         cls.makeSoftware(
 818             hosts=hosts,
 819             job=job
 820         )
 821         all_users = list(booking.collaborators.all())
 822         all_users.append(booking.owner)
 823         cls.makeAccessConfig(
 824             users=all_users,
 825             access_type="vpn",
 826             revoke=False,
 827             job=job
 828         )
 829         for user in all_users:
 830             try:
 831                 cls.makeAccessConfig(
 832                     users=[user],
 833                     access_type="ssh",
 834                     revoke=False,
 835                     job=job,
 836                     context={
 837                         "key": user.userprofile.ssh_public_key.open().read().decode(encoding="UTF-8"),
 838                         "hosts": [host.labid for host in hosts]
 839                     }
 840                 )
 841             except Exception:
 842                 continue
 843
 844     @classmethod
 845     def makeHardwareConfigs(cls, hosts=[], job=Job()):
 846         for host in hosts:
 847             hardware_config = None
 848             try:
 849                 hardware_config = HardwareConfig.objects.get(relation__host=host)
 850             except Exception:
 851                 hardware_config = HardwareConfig()
 852
 853             relation = HostHardwareRelation()
 854             relation.host = host
 855             relation.job = job
 856             relation.config = hardware_config
 857             relation.config.save()
 858             relation.config = relation.config
 859             relation.save()
 860
 861             hardware_config.clear_delta()
 862             hardware_config.set_image(host.config.image.lab_id)
 863             hardware_config.set_hostname(host.template.resource.name)
 864             hardware_config.set_power("on")
 865             hardware_config.set_ipmi_create(True)
 866             hardware_config.save()
 867
 868     @classmethod
 869     def makeAccessConfig(cls, users, access_type, revoke=False, job=Job(), context=False):
 870         for user in users:
 871             relation = AccessRelation()
 872             relation.job = job
 873             config = AccessConfig()
 874             config.access_type = access_type
 875             config.user = user
 876             config.save()
 877             relation.config = config
 878             relation.save()
 879             config.clear_delta()
 880             if context:
 881                 config.set_context(context)
 882             config.set_access_type(access_type)
 883             config.set_revoke(revoke)
 884             config.set_user(user)
 885             config.save()
 886
 887     @classmethod
 888     def makeNetworkConfigs(cls, hosts=[], job=Job()):
 889         for host in hosts:
 890             network_config = None
 891             try:
 892                 network_config = NetworkConfig.objects.get(relation__host=host)
 893             except Exception:
 894                 network_config = NetworkConfig.objects.create()
 895
 896             relation = HostNetworkRelation()
 897             relation.host = host
 898             relation.job = job
 899             network_config.save()
 900             relation.config = network_config
 901             relation.save()
 902             network_config.clear_delta()
 903
 904             for interface in host.interfaces.all():
 905                 network_config.add_interface(interface)
 906             network_config.save()
 907
 908     @classmethod
 909     def makeSoftware(cls, hosts=[], job=Job()):
 910         def init_config(host):
 911             opnfv_config = OpnfvApiConfig()
 912             if host is not None:
 913                 opnfv = host.config.bundle.opnfv_config.first()
 914                 opnfv_config.installer = opnfv.installer.name
 915                 opnfv_config.scenario = opnfv.scenario.name
 916             opnfv_config.save()
 917             return opnfv_config
 918
 919         try:
 920             host = None
 921             if len(hosts) > 0:
 922                 host = hosts[0]
 923             opnfv_config = init_config(host)
 924
 925             for host in hosts:
 926                 opnfv_config.roles.add(host)
 927             software_config = SoftwareConfig.objects.create(opnfv=opnfv_config)
 928             software_config.save()
 929             software_relation = SoftwareRelation.objects.create(job=job, config=software_config)
 930             software_relation.save()
 931             return software_relation
 932         except Exception:
 933             return None