rwlaunchpad/plugins/rwresmgr/rift/tasklets/rwresmgrtasklet/rwresmgr_core.py

   1 #
   2 #   Copyright 2016 RIFT.IO Inc
   3 #
   4 #   Licensed under the Apache License, Version 2.0 (the "License");
   5 #   you may not use this file except in compliance with the License.
   6 #   You may obtain a copy of the License at
   7 #
   8 #       http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 #   Unless required by applicable law or agreed to in writing, software
  11 #   distributed under the License is distributed on an "AS IS" BASIS,
  12 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 #   See the License for the specific language governing permissions and
  14 #   limitations under the License.
  15 #
  16
  17 import uuid
  18 import collections
  19 import asyncio
  20 import concurrent.futures
  21
  22 import gi
  23 gi.require_version('RwDts', '1.0')
  24 gi.require_version('RwYang', '1.0')
  25 gi.require_version('RwResourceMgrYang', '1.0')
  26 gi.require_version('RwLaunchpadYang', '1.0')
  27 gi.require_version('RwcalYang', '1.0')
  28 from gi.repository import (
  29     RwDts as rwdts,
  30     RwYang,
  31     RwResourceMgrYang,
  32     RwLaunchpadYang,
  33     RwcalYang,
  34 )
  35
  36 from gi.repository.RwTypes import RwStatus
  37
  38 class ResMgrCALNotPresent(Exception):
  39     pass
  40
  41 class ResMgrCloudAccountNotFound(Exception):
  42     pass
  43
  44 class ResMgrCloudAccountExists(Exception):
  45     pass
  46
  47 class ResMgrCloudAccountInUse(Exception):
  48     pass
  49
  50 class ResMgrDuplicatePool(Exception):
  51     pass
  52
  53 class ResMgrPoolNotAvailable(Exception):
  54     pass
  55
  56 class ResMgrPoolOperationFailed(Exception):
  57     pass
  58
  59 class ResMgrDuplicateEventId(Exception):
  60     pass
  61
  62 class ResMgrUnknownEventId(Exception):
  63     pass
  64
  65 class ResMgrUnknownResourceId(Exception):
  66     pass
  67
  68 class ResMgrResourceIdBusy(Exception):
  69     pass
  70
  71 class ResMgrResourceIdNotAllocated(Exception):
  72     pass
  73
  74 class ResMgrNoResourcesAvailable(Exception):
  75     pass
  76
  77 class ResMgrResourcesInitFailed(Exception):
  78     pass
  79
  80 class ResMgrCALOperationFailure(Exception):
  81     pass
  82
  83
  84
  85 class ResourceMgrCALHandler(object):
  86     def __init__(self, loop, executor, log, log_hdl, account):
  87         self._log = log
  88         self._loop = loop
  89         self._executor = executor
  90         self._account = account.cal_account_msg
  91         self._rwcal = account.cal
  92         if account.account_type == 'aws':
  93             self._subnets = ["172.31.97.0/24", "172.31.98.0/24", "172.31.99.0/24", "172.31.100.0/24", "172.31.101.0/24"]
  94         else:
  95             self._subnets = ["11.0.0.0/24",
  96                              "12.0.0.0/24",
  97                              "13.0.0.0/24",
  98                              "14.0.0.0/24",
  99                              "15.0.0.0/24",
 100                              "16.0.0.0/24",
 101                              "17.0.0.0/24",
 102                              "18.0.0.0/24",
 103                              "19.0.0.0/24",
 104                              "20.0.0.0/24",
 105                              "21.0.0.0/24",
 106                              "22.0.0.0/24",]
 107         self._subnet_ptr = 0
 108
 109     def _select_link_subnet(self):
 110         subnet = self._subnets[self._subnet_ptr]
 111         self._subnet_ptr += 1
 112         if self._subnet_ptr == len(self._subnets):
 113             self._subnet_ptr = 0
 114         return subnet
 115
 116     @asyncio.coroutine
 117     def create_virtual_network(self, req_params):
 118         #rc, rsp = self._rwcal.get_virtual_link_list(self._account)
 119         self._log.debug("Calling get_virtual_link_list API")
 120         rc, rsp = yield from self._loop.run_in_executor(self._executor,
 121                                                         self._rwcal.get_virtual_link_list,
 122                                                         self._account)
 123
 124         assert rc == RwStatus.SUCCESS
 125
 126         links = [vlink for vlink in rsp.virtual_link_info_list if vlink.name == req_params.name]
 127         if links:
 128             self._log.debug("Found existing virtual-network with matching name in cloud. Reusing the virtual-network with id: %s" %(links[0].virtual_link_id))
 129             return ('precreated', links[0].virtual_link_id)
 130         elif req_params.vim_network_name:
 131             self._log.error("Virtual-network-allocate operation failed for cloud account: %s Vim Network with name %s does not pre-exist",
 132                     self._account.name, req_params.vim_network_name)
 133             raise ResMgrCALOperationFailure("Virtual-network allocate operation failed for cloud account: %s Vim Network with name %s does not pre-exist"
 134                     %(self._account.name, req_params.vim_network_name))
 135
 136         params = RwcalYang.VirtualLinkReqParams()
 137         params.from_dict(req_params.as_dict())
 138         params.subnet = self._select_link_subnet()
 139         #rc, rs = self._rwcal.create_virtual_link(self._account, params)
 140         self._log.debug("Calling create_virtual_link API with params: %s" %(str(req_params)))
 141         rc, rs = yield from self._loop.run_in_executor(self._executor,
 142                                                        self._rwcal.create_virtual_link,
 143                                                        self._account,
 144                                                        params)
 145         if rc.status != RwStatus.SUCCESS:
 146             self._log.error("Virtual-network-allocate operation failed for cloud account: %s - error_msg: %s, Traceback: %s",
 147                     self._account.name, rc.error_msg, rc.traceback)
 148             raise ResMgrCALOperationFailure("Virtual-network allocate operation failed for cloud account: %s (%s)"
 149                     %(self._account.name, rc.error_msg))
 150
 151         return ('dynamic',rs)
 152
 153     @asyncio.coroutine
 154     def delete_virtual_network(self, network_id):
 155         #rc = self._rwcal.delete_virtual_link(self._account, network_id)
 156         self._log.debug("Calling delete_virtual_link API with id: %s" %(network_id))
 157         rc = yield from self._loop.run_in_executor(self._executor,
 158                                                    self._rwcal.delete_virtual_link,
 159                                                    self._account,
 160                                                    network_id)
 161         if rc != RwStatus.SUCCESS:
 162             self._log.error("Virtual-network-release operation failed for cloud account: %s. ResourceID: %s",
 163                             self._account.name,
 164                             network_id)
 165             raise ResMgrCALOperationFailure("Virtual-network release operation failed for cloud account: %s. ResourceId: %s" %(self._account.name, network_id))
 166
 167     @asyncio.coroutine
 168     def get_virtual_network_info(self, network_id):
 169         #rc, rs = self._rwcal.get_virtual_link(self._account, network_id)
 170         self._log.debug("Calling get_virtual_link_info API with id: %s" %(network_id))
 171         rc, rs = yield from self._loop.run_in_executor(self._executor,
 172                                                        self._rwcal.get_virtual_link,
 173                                                        self._account,
 174                                                        network_id)
 175         if rc != RwStatus.SUCCESS:
 176             self._log.error("Virtual-network-info operation failed for cloud account: %s. ResourceID: %s",
 177                             self._account.name,
 178                             network_id)
 179             raise ResMgrCALOperationFailure("Virtual-network-info operation failed for cloud account: %s. ResourceID: %s" %(self._account.name, network_id))
 180         return rs
 181
 182     @asyncio.coroutine
 183     def create_virtual_compute(self, req_params):
 184         #rc, rsp = self._rwcal.get_vdu_list(self._account)
 185         self._log.debug("Calling get_vdu_list API")
 186
 187         rc, rsp = yield from self._loop.run_in_executor(self._executor,
 188                                                         self._rwcal.get_vdu_list,
 189                                                         self._account)
 190         assert rc == RwStatus.SUCCESS
 191         vdus = [vm for vm in rsp.vdu_info_list if vm.name == req_params.name]
 192         if vdus:
 193             self._log.debug("Found existing virtual-compute with matching name in cloud. Reusing the virtual-compute element with id: %s" %(vdus[0].vdu_id))
 194             return vdus[0].vdu_id
 195
 196         params = RwcalYang.VDUInitParams()
 197         params.from_dict(req_params.as_dict())
 198
 199         image_checksum = req_params.image_checksum if req_params.has_field("image_checksum") else None
 200         params.image_id = yield from self.get_image_id_from_image_info(req_params.image_name, image_checksum)
 201
 202         #rc, rs = self._rwcal.create_vdu(self._account, params)
 203         self._log.debug("Calling create_vdu API with params %s" %(str(params)))
 204         rc, rs = yield from self._loop.run_in_executor(self._executor,
 205                                                        self._rwcal.create_vdu,
 206                                                        self._account,
 207                                                        params)
 208
 209         if rc.status != RwStatus.SUCCESS:
 210             self._log.error("Virtual-compute-create operation failed for cloud account: %s - error_msg: %s, Traceback: %s",
 211                     self._account.name, rc.error_msg, rc.traceback)
 212             raise ResMgrCALOperationFailure("Virtual-compute-create operation failed for cloud account: %s (%s)"
 213                     %(self._account.name, rc.error_msg))
 214
 215         return rs
 216
 217     @asyncio.coroutine
 218     def modify_virtual_compute(self, req_params):
 219         #rc = self._rwcal.modify_vdu(self._account, req_params)
 220         self._log.debug("Calling modify_vdu API with params: %s" %(str(req_params)))
 221         rc = yield from self._loop.run_in_executor(self._executor,
 222                                                    self._rwcal.modify_vdu,
 223                                                    self._account,
 224                                                    req_params)
 225         if rc != RwStatus.SUCCESS:
 226             self._log.error("Virtual-compute-modify operation failed for cloud account: %s", self._account.name)
 227             raise ResMgrCALOperationFailure("Virtual-compute-modify operation failed for cloud account: %s" %(self._account.name))
 228
 229     @asyncio.coroutine
 230     def delete_virtual_compute(self, compute_id):
 231         #rc = self._rwcal.delete_vdu(self._account, compute_id)
 232         self._log.debug("Calling delete_vdu API with id: %s" %(compute_id))
 233         rc = yield from self._loop.run_in_executor(self._executor,
 234                                                    self._rwcal.delete_vdu,
 235                                                    self._account,
 236                                                    compute_id)
 237         if rc != RwStatus.SUCCESS:
 238             self._log.error("Virtual-compute-release operation failed for cloud account: %s. ResourceID: %s",
 239                             self._account.name,
 240                             compute_id)
 241             raise ResMgrCALOperationFailure("Virtual-compute-release operation failed for cloud account: %s. ResourceID: %s" %(self._account.name, compute_id))
 242
 243     @asyncio.coroutine
 244     def get_virtual_compute_info(self, compute_id):
 245         #rc, rs = self._rwcal.get_vdu(self._account, compute_id)
 246         self._log.debug("Calling get_vdu API with id: %s" %(compute_id))
 247         rc, rs = yield from self._loop.run_in_executor(self._executor,
 248                                                        self._rwcal.get_vdu,
 249                                                        self._account,
 250                                                        compute_id)
 251         if rc != RwStatus.SUCCESS:
 252             self._log.error("Virtual-compute-info operation failed for cloud account: %s. ResourceID: %s",
 253                             self._account.name,
 254                             compute_id)
 255             raise ResMgrCALOperationFailure("Virtual-compute-info operation failed for cloud account: %s. ResourceID: %s" %(self._account.name, compute_id))
 256         return rs
 257
 258     @asyncio.coroutine
 259     def get_compute_flavor_info_list(self):
 260         #rc, rs = self._rwcal.get_flavor_list(self._account)
 261         self._log.debug("Calling get_flavor_list API")
 262         rc, rs = yield from self._loop.run_in_executor(self._executor,
 263                                                        self._rwcal.get_flavor_list,
 264                                                        self._account)
 265         if rc != RwStatus.SUCCESS:
 266             self._log.error("Get-flavor-info-list operation failed for cloud account: %s",
 267                             self._account.name)
 268             raise ResMgrCALOperationFailure("Get-flavor-info-list operation failed for cloud account: %s" %(self._account.name))
 269         return rs.flavorinfo_list
 270
 271     @asyncio.coroutine
 272     def create_compute_flavor(self, request):
 273         flavor = RwcalYang.FlavorInfoItem()
 274         flavor.name = str(uuid.uuid4())
 275         epa_types = ['vm_flavor', 'guest_epa', 'host_epa', 'host_aggregate']
 276         epa_dict = {k: v for k, v in request.as_dict().items() if k in epa_types}
 277         flavor.from_dict(epa_dict)
 278
 279         self._log.info("Creating flavor: %s", flavor)
 280         #rc, rs = self._rwcal.create_flavor(self._account, flavor)
 281         self._log.debug("Calling create_flavor API")
 282         rc, rs = yield from self._loop.run_in_executor(self._executor,
 283                                                        self._rwcal.create_flavor,
 284                                                        self._account,
 285                                                        flavor)
 286         if rc != RwStatus.SUCCESS:
 287             self._log.error("Create-flavor operation failed for cloud account: %s",
 288                             self._account.name)
 289             raise ResMgrCALOperationFailure("Create-flavor operation failed for cloud account: %s" %(self._account.name))
 290         return rs
 291
 292     @asyncio.coroutine
 293     def get_image_info_list(self):
 294         #rc, rs = self._rwcal.get_image_list(self._account)
 295         self._log.debug("Calling get_image_list API")
 296         rc, rs = yield from self._loop.run_in_executor(self._executor,
 297                                                        self._rwcal.get_image_list,
 298                                                        self._account)
 299         if rc != RwStatus.SUCCESS:
 300             self._log.error("Get-image-info-list operation failed for cloud account: %s",
 301                             self._account.name)
 302             raise ResMgrCALOperationFailure("Get-image-info-list operation failed for cloud account: %s" %(self._account.name))
 303         return rs.imageinfo_list
 304
 305     @asyncio.coroutine
 306     def get_image_id_from_image_info(self, image_name, image_checksum=None):
 307         self._log.debug("Looking up image id for image name %s and checksum %s on cloud account: %s",
 308                 image_name, image_checksum, self._account.name
 309                 )
 310
 311         image_list = yield from self.get_image_info_list()
 312         matching_images = [i for i in image_list if i.name == image_name]
 313
 314         # If the image checksum was filled in then further filter the images by the checksum
 315         if image_checksum is not None:
 316             matching_images = [i for i in matching_images if i.checksum == image_checksum]
 317         else:
 318             self._log.warning("Image checksum not provided.  Lookup using image name (%s) only.",
 319                               image_name)
 320
 321         if len(matching_images) == 0:
 322             raise ResMgrCALOperationFailure("Could not find image name {} (using checksum: {}) for cloud account: {}".format(
 323                 image_name, image_checksum, self._account.name
 324                 ))
 325
 326         elif len(matching_images) > 1:
 327             unique_checksums = {i.checksum for i in matching_images}
 328             if len(unique_checksums) > 1:
 329                 msg = ("Too many images with different checksums matched "
 330                        "image name of %s for cloud account: %s" % (image_name, self._account.name))
 331                 raise ResMgrCALOperationFailure(msg)
 332
 333         return matching_images[0].id
 334
 335     @asyncio.coroutine
 336     def get_image_info(self, image_id):
 337         #rc, rs = self._rwcal.get_image(self._account, image_id)
 338         self._log.debug("Calling get_image API for id: %s" %(image_id))
 339         rc, rs = yield from self._loop.run_in_executor(self._executor,
 340                                                        self._rwcal.get_image,
 341                                                        self._account,
 342                                                        image_id)
 343         if rc != RwStatus.SUCCESS:
 344             self._log.error("Get-image-info-list operation failed for cloud account: %s",
 345                             self._account.name)
 346             raise ResMgrCALOperationFailure("Get-image-info operation failed for cloud account: %s" %(self._account.name))
 347         return rs.imageinfo_list
 348
 349     def dynamic_flavor_supported(self):
 350         return getattr(self._account, self._account.account_type).dynamic_flavor_support
 351
 352
 353 class Resource(object):
 354     def __init__(self, resource_id, resource_type, request):
 355         self._id = resource_id
 356         self._type = resource_type
 357         self._request = request
 358
 359     @property
 360     def resource_id(self):
 361         return self._id
 362
 363     @property
 364     def resource_type(self):
 365         return self._type
 366
 367     @property
 368     def request(self):
 369         return self._request
 370
 371     def cleanup(self):
 372         pass
 373
 374
 375 class ComputeResource(Resource):
 376     pass
 377
 378
 379 class NetworkResource(Resource):
 380     pass
 381
 382
 383 class ResourcePoolInfo(object):
 384     def __init__(self, name, pool_type, resource_type, max_size):
 385         self.name = name
 386         self.pool_type = pool_type
 387         self.resource_type = resource_type
 388         self.max_size = max_size
 389
 390     @classmethod
 391     def from_dict(cls, pool_dict):
 392         return cls(
 393                 pool_dict["name"],
 394                 pool_dict["pool_type"],
 395                 pool_dict["resource_type"],
 396                 pool_dict["max_size"],
 397                 )
 398
 399
 400 class ResourcePool(object):
 401     def __init__(self, log, loop, pool_info, resource_class, cal):
 402         self._log = log
 403         self._loop = loop
 404         self._name = pool_info.name
 405         self._pool_type = pool_info.pool_type
 406         self._resource_type = pool_info.resource_type
 407         self._cal = cal
 408         self._resource_class = resource_class
 409
 410         self._max_size = pool_info.max_size
 411
 412         self._status = 'unlocked'
 413         ### A Dictionary of all the resources in this pool, keyed by CAL resource-id
 414         self._all_resources = {}
 415         ### A List of free resources in this pool
 416         self._free_resources = []
 417         ### A Dictionary of all the allocated resources in this pool, keyed by CAL resource-id
 418         self._allocated_resources = {}
 419
 420     @property
 421     def name(self):
 422         return self._name
 423
 424     @property
 425     def cal(self):
 426         """ This instance's ResourceMgrCALHandler """
 427         return self._cal
 428
 429     @property
 430     def pool_type(self):
 431         return self._pool_type
 432
 433     @property
 434     def resource_type(self):
 435         return self._resource_type
 436
 437     @property
 438     def max_size(self):
 439         return self._max_size
 440
 441     @property
 442     def status(self):
 443         return self._status
 444
 445     def in_use(self):
 446         if len(self._allocated_resources) != 0:
 447             return True
 448         else:
 449             return False
 450
 451     def update_cal_handler(self, cal):
 452         if self.in_use():
 453             raise ResMgrPoolOperationFailed(
 454                     "Cannot update CAL plugin for in use pool"
 455                     )
 456
 457         self._cal = cal
 458
 459     def lock_pool(self):
 460         self._log.info("Locking the pool :%s", self.name)
 461         self._status = 'locked'
 462
 463     def unlock_pool(self):
 464         self._log.info("Unlocking the pool :%s", self.name)
 465         self._status = 'unlocked'
 466
 467     def add_resource(self, resource_info):
 468         self._log.info("Adding static resource to Pool: %s, Resource-id: %s Resource-Type: %s",
 469                        self.name,
 470                        resource_info.resource_id,
 471                        self.resource_type)
 472
 473         ### Add static resources to pool
 474         resource = self._resource_class(resource_info.resource_id, 'static')
 475         assert resource.resource_id == resource_info.resource_id
 476         self._all_resources[resource.resource_id] = resource
 477         self._free_resources.append(resource)
 478
 479     def delete_resource(self, resource_id):
 480         if resource_id not in self._all_resources:
 481             self._log.error("Resource Id: %s not present in pool: %s. Delete operation failed", resource_id, self.name)
 482             raise ResMgrUnknownResourceId("Resource Id: %s requested for release is not found" %(resource_id))
 483
 484         if resource_id in self._allocated_resources:
 485             self._log.error("Resource Id: %s in use. Delete operation failed", resource_id)
 486             raise ResMgrResourceIdBusy("Resource Id: %s requested for release is in use" %(resource_id))
 487
 488         self._log.info("Deleting resource: %s from pool: %s, Resource-Type",
 489                        resource_id,
 490                        self.name,
 491                        self.resource_type)
 492
 493         resource = self._all_resources.pop(resource_id)
 494         self._free_resources.remove(resource)
 495         resource.cleanup()
 496         del resource
 497
 498     @asyncio.coroutine
 499     def read_resource_info(self, resource_id):
 500         if resource_id not in self._all_resources:
 501             self._log.error("Resource Id: %s not present in pool: %s. Read operation failed", resource_id, self.name)
 502             raise ResMgrUnknownResourceId("Resource Id: %s requested for read is not found" %(resource_id))
 503
 504         if resource_id not in self._allocated_resources:
 505             self._log.error("Resource Id: %s not in use. Read operation failed", resource_id)
 506             raise ResMgrResourceIdNotAllocated("Resource Id: %s not in use. Read operation failed" %(resource_id))
 507
 508         resource = self._allocated_resources[resource_id]
 509         resource_info = yield from self.get_resource_info(resource)
 510         return resource_info
 511
 512     def get_pool_info(self):
 513         info = RwResourceMgrYang.ResourceRecordInfo()
 514         self._log.info("Providing info for pool: %s", self.name)
 515         info.name = self.name
 516         if self.pool_type:
 517             info.pool_type = self.pool_type
 518         if self.resource_type:
 519             info.resource_type = self.resource_type
 520         if self.status:
 521             info.pool_status = self.status
 522
 523         info.total_resources = len(self._all_resources)
 524         info.free_resources = len(self._free_resources)
 525         info.allocated_resources = len(self._allocated_resources)
 526         return info
 527
 528     def cleanup(self):
 529         for _, v in self._all_resources.items():
 530             v.cleanup()
 531
 532     @asyncio.coroutine
 533     def _allocate_static_resource(self, request, resource_type):
 534         unit_type = {'compute': 'VDU', 'network':'VirtualLink'}
 535         match_found = False
 536         resource = None
 537         self._log.info("Doing resource match from pool :%s", self._free_resources)
 538         for resource in self._free_resources:
 539             resource_info = yield from self.get_resource_info(resource)
 540             self._log.info("Attempting to match %s-requirements for %s: %s with resource-id :%s",
 541                            resource_type, unit_type[resource_type],request.name, resource.resource_id)
 542             if self.match_epa_params(resource_info, request):
 543                 if self.match_image_params(resource_info, request):
 544                     match_found = True
 545                     self._log.info("%s-requirements matched for %s: %s with resource-id :%s",
 546                                    resource_type, unit_type[resource_type],request.name, resource.resource_id)
 547                     yield from self.initialize_resource_in_cal(resource, request)
 548             break
 549
 550         if not match_found:
 551             self._log.error("No match found for %s-requirements for %s: %s in pool: %s. %s instantiation failed",
 552                             resource_type,
 553                             unit_type[resource_type],
 554                             request.name,
 555                             self.name,
 556                             unit_type[resource_type])
 557             return None
 558         else:
 559             ### Move resource from free-list into allocated-list
 560             self._log.info("Allocating the static resource with resource-id: %s for %s: %s",
 561                            resource.resource_id,
 562                            unit_type[resource_type],request.name)
 563             self._free_resources.remove(resource)
 564             self._allocated_resources[resource.resource_id] = resource
 565
 566         return resource
 567
 568     @asyncio.coroutine
 569     def allocate_resource(self, request):
 570         resource = yield from self.allocate_resource_in_cal(request)
 571         resource_info =  yield from self.get_resource_info(resource)
 572         return resource.resource_id, resource_info
 573
 574     @asyncio.coroutine
 575     def release_resource(self, resource_id):
 576         self._log.debug("Releasing resource_id %s in pool %s", resource_id, self.name)
 577         if resource_id not in self._allocated_resources:
 578             self._log.error("Failed to release a resource with resource-id: %s in pool: %s. Resource not known",
 579                             resource_id,
 580                             self.name)
 581             raise ResMgrUnknownResourceId("Failed to release resource with resource-id: %s. Unknown resource-id" %(resource_id))
 582
 583         ### Get resource object
 584         resource = self._allocated_resources.pop(resource_id)
 585         yield from self.uninitialize_resource_in_cal(resource)
 586         yield from self.release_cal_resource(resource)
 587
 588
 589 class NetworkPool(ResourcePool):
 590     def __init__(self, log, loop, pool_info, cal):
 591         super(NetworkPool, self).__init__(log, loop, pool_info, NetworkResource, cal)
 592
 593     @asyncio.coroutine
 594     def allocate_resource_in_cal(self, request):
 595         resource = None
 596         if self.pool_type == 'static':
 597             self._log.info("Attempting network resource allocation from static pool: %s", self.name)
 598             ### Attempt resource allocation from static pool
 599             resource = yield from self._allocate_static_resource(request, 'network')
 600         elif self.pool_type == 'dynamic':
 601             ### Attempt resource allocation from dynamic pool
 602             self._log.info("Attempting network resource allocation from dynamic pool: %s", self.name)
 603             if len(self._free_resources) != 0:
 604                 self._log.info("Dynamic pool: %s has %d static resources, Attempting resource allocation from static resources",
 605                                self.name, len(self._free_resources))
 606                 resource =  yield from self._allocate_static_resource(request, 'network')
 607             if resource is None:
 608                 self._log.info("Could not resource from static resources. Going for dynamic resource allocation")
 609                 ## Not static resource available. Attempt dynamic resource from pool
 610                 resource = yield from self.allocate_dynamic_resource(request)
 611         if resource is None:
 612             raise ResMgrNoResourcesAvailable("No matching resource available for allocation from pool: %s" %(self.name))
 613         return resource
 614
 615     @asyncio.coroutine
 616     def allocate_dynamic_resource(self, request):
 617         resource_type, resource_id = yield from self._cal.create_virtual_network(request)
 618         if resource_id in self._all_resources:
 619             self._log.error("Resource with id %s name %s of type %s is already used", resource_id, request.name, resource_type)
 620             raise ResMgrNoResourcesAvailable("Resource with name %s of type network is already used" %(resource_id))
 621         resource = self._resource_class(resource_id, resource_type, request)
 622         self._all_resources[resource_id] = resource
 623         self._allocated_resources[resource_id] = resource
 624         self._log.info("Successfully allocated virtual-network resource from CAL with resource-id: %s", resource_id)
 625         return resource
 626
 627     @asyncio.coroutine
 628     def release_cal_resource(self, resource):
 629         if resource.resource_type == 'dynamic':
 630             self._log.debug("Deleting virtual network with network_id: %s", resource.resource_id)
 631             yield from self._cal.delete_virtual_network(resource.resource_id)
 632             self._all_resources.pop(resource.resource_id)
 633             self._log.info("Successfully released virtual-network resource in CAL with resource-id: %s", resource.resource_id)
 634         elif resource.resource_type == 'precreated':
 635             self._all_resources.pop(resource.resource_id)
 636             self._log.info("Successfully removed precreated virtual-network resource from allocated list: %s", resource.resource_id)
 637         else:
 638             self._log.info("Successfully released virtual-network resource with resource-id: %s into available-list", resource.resource_id)
 639             self._free_resources.append(resource)
 640
 641     @asyncio.coroutine
 642     def get_resource_info(self, resource):
 643         info = yield from self._cal.get_virtual_network_info(resource.resource_id)
 644         self._log.info("Successfully retrieved virtual-network information from CAL with resource-id: %s. Info: %s",
 645                        resource.resource_id, str(info))
 646         response = RwResourceMgrYang.VirtualLinkEventData_ResourceInfo()
 647         response.from_dict(info.as_dict())
 648         response.pool_name = self.name
 649         response.resource_state = 'active'
 650         return response
 651
 652     @asyncio.coroutine
 653     def get_info_by_id(self, resource_id):
 654         info = yield from self._cal.get_virtual_network_info(resource_id)
 655         self._log.info("Successfully retrieved virtual-network information from CAL with resource-id: %s. Info: %s",
 656                        resource_id, str(info))
 657         return info
 658
 659     def match_image_params(self, resource_info, request_params):
 660         return True
 661
 662     def match_epa_params(self, resource_info, request_params):
 663         if not hasattr(request_params, 'provider_network'):
 664             ### Its a match if nothing is requested
 665             return True
 666         else:
 667             required = getattr(request_params, 'provider_network')
 668
 669         if not hasattr(resource_info, 'provider_network'):
 670             ### Its no match
 671             return False
 672         else:
 673             available = getattr(resource_info, 'provider_network')
 674
 675         self._log.debug("Matching Network EPA params. Required: %s, Available: %s", required, available)
 676
 677         if required.has_field('name') and required.name!= available.name:
 678             self._log.debug("Provider Network mismatch. Required: %s, Available: %s",
 679                             required.name,
 680                             available.name)
 681             return False
 682
 683         self._log.debug("Matching EPA params physical network name")
 684
 685         if required.has_field('physical_network') and required.physical_network != available.physical_network:
 686             self._log.debug("Physical Network mismatch. Required: %s, Available: %s",
 687                             required.physical_network,
 688                             available.physical_network)
 689             return False
 690
 691         self._log.debug("Matching EPA params overlay type")
 692         if required.has_field('overlay_type') and required.overlay_type != available.overlay_type:
 693             self._log.debug("Overlay type mismatch. Required: %s, Available: %s",
 694                             required.overlay_type,
 695                             available.overlay_type)
 696             return False
 697
 698         self._log.debug("Matching EPA params SegmentationID")
 699         if required.has_field('segmentation_id') and required.segmentation_id != available.segmentation_id:
 700             self._log.debug("Segmentation-Id mismatch. Required: %s, Available: %s",
 701                             required.segmentation_id,
 702                             available.segmentation_id)
 703             return False
 704         return True
 705
 706     @asyncio.coroutine
 707     def initialize_resource_in_cal(self, resource, request):
 708         pass
 709
 710     @asyncio.coroutine
 711     def uninitialize_resource_in_cal(self, resource):
 712         pass
 713
 714
 715 class ComputePool(ResourcePool):
 716     def __init__(self, log, loop, pool_info, cal):
 717         super(ComputePool, self).__init__(log, loop, pool_info, ComputeResource, cal)
 718
 719     @asyncio.coroutine
 720     def allocate_resource_in_cal(self, request):
 721         resource = None
 722         if self.pool_type == 'static':
 723             self._log.info("Attempting compute resource allocation from static pool: %s", self.name)
 724             ### Attempt resource allocation from static pool
 725             resource = yield from self._allocate_static_resource(request, 'compute')
 726         elif self.pool_type == 'dynamic':
 727             ### Attempt resource allocation from dynamic pool
 728             self._log.info("Attempting compute resource allocation from dynamic pool: %s", self.name)
 729             if len(self._free_resources) != 0:
 730                 self._log.info("Dynamic pool: %s has %d static resources, Attempting resource allocation from static resources",
 731                                len(self._free_resources),
 732                                self.name)
 733                 resource = yield from self._allocate_static_resource(request, 'compute')
 734             if resource is None:
 735                 self._log.info("Attempting for dynamic resource allocation")
 736                 resource = yield from self.allocate_dynamic_resource(request)
 737         if resource is None:
 738             raise ResMgrNoResourcesAvailable("No matching resource available for allocation from pool: %s" %(self.name))
 739
 740         requested_params = RwcalYang.VDUInitParams()
 741         requested_params.from_dict(request.as_dict())
 742         resource.requested_params = requested_params
 743         return resource
 744
 745     @asyncio.coroutine
 746     def allocate_dynamic_resource(self, request):
 747         #request.flavor_id = yield from self.select_resource_flavor(request)
 748         resource_id = yield from self._cal.create_virtual_compute(request)
 749         resource = self._resource_class(resource_id, 'dynamic', request)
 750         self._all_resources[resource_id] = resource
 751         self._allocated_resources[resource_id] = resource
 752         self._log.info("Successfully allocated virtual-compute resource from CAL with resource-id: %s", resource_id)
 753         return resource
 754
 755     @asyncio.coroutine
 756     def release_cal_resource(self, resource):
 757         if hasattr(resource, 'requested_params'):
 758             delattr(resource, 'requested_params')
 759         if resource.resource_type == 'dynamic':
 760             yield from self._cal.delete_virtual_compute(resource.resource_id)
 761             self._all_resources.pop(resource.resource_id)
 762             self._log.info("Successfully released virtual-compute resource in CAL with resource-id: %s", resource.resource_id)
 763         else:
 764             self._log.info("Successfully released virtual-compute resource with resource-id: %s into available-list", resource.resource_id)
 765             self._free_resources.append(resource)
 766
 767     @asyncio.coroutine
 768     def get_resource_info(self, resource):
 769         info = yield from self._cal.get_virtual_compute_info(resource.resource_id)
 770
 771         self._log.info("Successfully retrieved virtual-compute information from CAL with resource-id: %s. Info: %s",
 772                        resource.resource_id, str(info))
 773         response = RwResourceMgrYang.VDUEventData_ResourceInfo()
 774         response.from_dict(info.as_dict())
 775         response.pool_name = self.name
 776         response.resource_state = self._get_resource_state(info, resource.requested_params)
 777         return response
 778
 779     @asyncio.coroutine
 780     def get_info_by_id(self, resource_id):
 781         info = yield from self._cal.get_virtual_compute_info(resource_id)
 782         self._log.info("Successfully retrieved virtual-compute information from CAL with resource-id: %s. Info: %s",
 783                        resource_id, str(info))
 784         return info
 785
 786     def _get_resource_state(self, resource_info, requested_params):
 787
 788
 789         def conn_pts_len_equal():
 790             # if explicit mgmt network is defined then the allocated ports might
 791             # one more than the expected.
 792             allocated_ports = len(resource_info.connection_points)
 793             requested_ports = len(requested_params.connection_points)
 794
 795             if not requested_params.mgmt_network:
 796                 allocated_ports -= 1
 797
 798             return allocated_ports == requested_ports
 799
 800         if resource_info.state == 'failed':
 801             self._log.error("<Compute-Resource: %s> Reached failed state.",
 802                             resource_info.name)
 803             return 'failed'
 804
 805         if resource_info.state != 'active':
 806             self._log.info("<Compute-Resource: %s> Not reached active state.",
 807                            resource_info.name)
 808             return 'pending'
 809
 810         if not resource_info.has_field('management_ip') or resource_info.management_ip == '':
 811             self._log.info("<Compute-Resource: %s> Management IP not assigned.",
 812                            resource_info.name)
 813             return 'pending'
 814
 815         if (requested_params.has_field('allocate_public_address')) and (requested_params.allocate_public_address == True):
 816             if not resource_info.has_field('public_ip'):
 817                 self._log.warning("<Compute-Resource: %s> Management IP not assigned- waiting for public ip, %s",
 818                                   resource_info.name, requested_params)
 819                 return 'pending'
 820
 821         if not conn_pts_len_equal():
 822             self._log.warning("<Compute-Resource: %s> Waiting for requested number of ports to be assigned to virtual-compute, requested: %d, assigned: %d",
 823                               resource_info.name,
 824                               len(requested_params.connection_points),
 825                               len(resource_info.connection_points))
 826             return 'pending'
 827
 828         #not_active = [c for c in resource_info.connection_points
 829         #              if c.state != 'active']
 830
 831         #if not_active:
 832         #    self._log.warning("<Compute-Resource: %s> Management IP not assigned- waiting for connection_points , %s",
 833         #                      resource_info.name, resource_info)
 834         #    return 'pending'
 835
 836         ## Find the connection_points which are in active state but does not have IP address
 837         no_address = [c for c in resource_info.connection_points
 838                       if (c.state == 'active') and (not c.has_field('ip_address'))]
 839
 840         if no_address:
 841             self._log.warning("<Compute-Resource: %s> Management IP not assigned- waiting for connection_points , %s",
 842                               resource_info.name, resource_info)
 843             return 'pending'
 844
 845         return 'active'
 846
 847     @asyncio.coroutine
 848     def select_resource_flavor(self, request):
 849         flavors = yield from self._cal.get_compute_flavor_info_list()
 850         self._log.debug("Received %d flavor information from RW.CAL", len(flavors))
 851         flavor_id = None
 852         match_found = False
 853         for flv in flavors:
 854             self._log.info("Attempting to match compute requirement for VDU: %s with flavor %s",
 855                            request.name, flv)
 856             if self.match_epa_params(flv, request):
 857                 self._log.info("Flavor match found for compute requirements for VDU: %s with flavor name: %s, flavor-id: %s",
 858                                request.name, flv.name, flv.id)
 859                 match_found = True
 860                 flavor_id = flv.id
 861                 break
 862
 863         if not match_found:
 864             ### Check if CAL account allows dynamic flavor creation
 865             if self._cal.dynamic_flavor_supported():
 866                 self._log.info("Attempting to create a new flavor for required compute-requirement for VDU: %s", request.name)
 867                 flavor_id = yield from self._cal.create_compute_flavor(request)
 868             else:
 869                 ### No match with existing flavors and CAL does not support dynamic flavor creation
 870                 self._log.error("Unable to create flavor for compute requirement for VDU: %s. VDU instantiation failed", request.name)
 871                 raise ResMgrNoResourcesAvailable("No resource available with matching EPA attributes")
 872         else:
 873             ### Found flavor
 874             self._log.info("Found flavor with id: %s for compute requirement for VDU: %s",
 875                            flavor_id, request.name)
 876         return flavor_id
 877
 878     def _match_vm_flavor(self, required, available):
 879         self._log.info("Matching VM Flavor attributes")
 880         if available.vcpu_count != required.vcpu_count:
 881             self._log.debug("VCPU requirement mismatch. Required: %d, Available: %d",
 882                             required.vcpu_count,
 883                             available.vcpu_count)
 884             return False
 885         if available.memory_mb != required.memory_mb:
 886             self._log.debug("Memory requirement mismatch. Required: %d MB, Available: %d MB",
 887                             required.memory_mb,
 888                             available.memory_mb)
 889             return False
 890         if available.storage_gb != required.storage_gb:
 891             self._log.debug("Storage requirement mismatch. Required: %d GB, Available: %d GB",
 892                             required.storage_gb,
 893                             available.storage_gb)
 894             return False
 895         self._log.debug("VM Flavor match found")
 896         return True
 897
 898     def _match_guest_epa(self, required, available):
 899         self._log.info("Matching Guest EPA attributes")
 900         if required.has_field('pcie_device'):
 901             self._log.debug("Matching pcie_device")
 902             if available.has_field('pcie_device') == False:
 903                 self._log.debug("Matching pcie_device failed. Not available in flavor")
 904                 return False
 905             else:
 906                 for dev in required.pcie_device:
 907                     if not [ d for d in available.pcie_device
 908                              if ((d.device_id == dev.device_id) and (d.count == dev.count)) ]:
 909                         self._log.debug("Matching pcie_device failed. Required: %s, Available: %s", required.pcie_device, available.pcie_device)
 910                         return False
 911         elif available.has_field('pcie_device'):
 912             self._log.debug("Rejecting available flavor because pcie_device not required but available")
 913             return False
 914
 915
 916         if required.has_field('mempage_size'):
 917             self._log.debug("Matching mempage_size")
 918             if available.has_field('mempage_size') == False:
 919                 self._log.debug("Matching mempage_size failed. Not available in flavor")
 920                 return False
 921             else:
 922                 if required.mempage_size != available.mempage_size:
 923                     self._log.debug("Matching mempage_size failed. Required: %s, Available: %s", required.mempage_size, available.mempage_size)
 924                     return False
 925         elif available.has_field('mempage_size'):
 926             self._log.debug("Rejecting available flavor because mempage_size not required but available")
 927             return False
 928
 929         if required.has_field('cpu_pinning_policy'):
 930             self._log.debug("Matching cpu_pinning_policy")
 931             if required.cpu_pinning_policy != 'ANY':
 932                 if available.has_field('cpu_pinning_policy') == False:
 933                     self._log.debug("Matching cpu_pinning_policy failed. Not available in flavor")
 934                     return False
 935                 else:
 936                     if required.cpu_pinning_policy != available.cpu_pinning_policy:
 937                         self._log.debug("Matching cpu_pinning_policy failed. Required: %s, Available: %s", required.cpu_pinning_policy, available.cpu_pinning_policy)
 938                         return False
 939         elif available.has_field('cpu_pinning_policy'):
 940             self._log.debug("Rejecting available flavor because cpu_pinning_policy not required but available")
 941             return False
 942
 943         if required.has_field('cpu_thread_pinning_policy'):
 944             self._log.debug("Matching cpu_thread_pinning_policy")
 945             if available.has_field('cpu_thread_pinning_policy') == False:
 946                 self._log.debug("Matching cpu_thread_pinning_policy failed. Not available in flavor")
 947                 return False
 948             else:
 949                 if required.cpu_thread_pinning_policy != available.cpu_thread_pinning_policy:
 950                     self._log.debug("Matching cpu_thread_pinning_policy failed. Required: %s, Available: %s", required.cpu_thread_pinning_policy, available.cpu_thread_pinning_policy)
 951                     return False
 952         elif available.has_field('cpu_thread_pinning_policy'):
 953             self._log.debug("Rejecting available flavor because cpu_thread_pinning_policy not required but available")
 954             return False
 955
 956         if required.has_field('trusted_execution'):
 957             self._log.debug("Matching trusted_execution")
 958             if required.trusted_execution == True:
 959                 if available.has_field('trusted_execution') == False:
 960                     self._log.debug("Matching trusted_execution failed. Not available in flavor")
 961                     return False
 962                 else:
 963                     if required.trusted_execution != available.trusted_execution:
 964                         self._log.debug("Matching trusted_execution failed. Required: %s, Available: %s", required.trusted_execution, available.trusted_execution)
 965                         return False
 966         elif available.has_field('trusted_execution'):
 967             self._log.debug("Rejecting available flavor because trusted_execution not required but available")
 968             return False
 969
 970         if required.has_field('numa_node_policy'):
 971             self._log.debug("Matching numa_node_policy")
 972             if available.has_field('numa_node_policy') == False:
 973                 self._log.debug("Matching numa_node_policy failed. Not available in flavor")
 974                 return False
 975             else:
 976                 if required.numa_node_policy.has_field('node_cnt'):
 977                     self._log.debug("Matching numa_node_policy node_cnt")
 978                     if available.numa_node_policy.has_field('node_cnt') == False:
 979                         self._log.debug("Matching numa_node_policy node_cnt failed. Not available in flavor")
 980                         return False
 981                     else:
 982                         if required.numa_node_policy.node_cnt != available.numa_node_policy.node_cnt:
 983                             self._log.debug("Matching numa_node_policy node_cnt failed. Required: %s, Available: %s",required.numa_node_policy.node_cnt, available.numa_node_policy.node_cnt)
 984                             return False
 985                 elif available.numa_node_policy.has_field('node_cnt'):
 986                     self._log.debug("Rejecting available flavor because numa node count not required but available")
 987                     return False
 988
 989                 if required.numa_node_policy.has_field('mem_policy'):
 990                     self._log.debug("Matching numa_node_policy mem_policy")
 991                     if available.numa_node_policy.has_field('mem_policy') == False:
 992                         self._log.debug("Matching numa_node_policy mem_policy failed. Not available in flavor")
 993                         return False
 994                     else:
 995                         if required.numa_node_policy.mem_policy != available.numa_node_policy.mem_policy:
 996                             self._log.debug("Matching numa_node_policy mem_policy failed. Required: %s, Available: %s", required.numa_node_policy.mem_policy, available.numa_node_policy.mem_policy)
 997                             return False
 998                 elif available.numa_node_policy.has_field('mem_policy'):
 999                     self._log.debug("Rejecting available flavor because num node mem_policy not required but available")
1000                     return False
1001
1002                 if required.numa_node_policy.has_field('node'):
1003                     self._log.debug("Matching numa_node_policy nodes configuration")
1004                     if available.numa_node_policy.has_field('node') == False:
1005                         self._log.debug("Matching numa_node_policy nodes configuration failed. Not available in flavor")
1006                         return False
1007                     for required_node in required.numa_node_policy.node:
1008                         self._log.debug("Matching numa_node_policy nodes configuration for node %s", required_node)
1009                         numa_match = False
1010                         for available_node in available.numa_node_policy.node:
1011                             if required_node.id != available_node.id:
1012                                 self._log.debug("Matching numa_node_policy nodes configuration failed. Required: %s, Available: %s", required_node, available_node)
1013                                 continue
1014                             if required_node.vcpu != available_node.vcpu:
1015                                 self._log.debug("Matching numa_node_policy nodes configuration failed. Required: %s, Available: %s", required_node, available_node)
1016                                 continue
1017                             if required_node.memory_mb != available_node.memory_mb:
1018                                 self._log.debug("Matching numa_node_policy nodes configuration failed. Required: %s, Available: %s", required_node, available_node)
1019                                 continue
1020                             numa_match = True
1021                         if numa_match == False:
1022                             return False
1023                 elif available.numa_node_policy.has_field('node'):
1024                     self._log.debug("Rejecting available flavor because numa nodes not required but available")
1025                     return False
1026         elif available.has_field('numa_node_policy'):
1027             self._log.debug("Rejecting available flavor because numa_node_policy not required but available")
1028             return False
1029         self._log.info("Successful match for Guest EPA attributes")
1030         return True
1031
1032     def _match_vswitch_epa(self, required, available):
1033         self._log.debug("VSwitch EPA match found")
1034         return True
1035
1036     def _match_hypervisor_epa(self, required, available):
1037         self._log.debug("Hypervisor EPA match found")
1038         return True
1039
1040     def _match_host_epa(self, required, available):
1041         self._log.info("Matching Host EPA attributes")
1042         if required.has_field('cpu_model'):
1043             self._log.debug("Matching CPU model")
1044             if available.has_field('cpu_model') == False:
1045                 self._log.debug("Matching CPU model failed. Not available in flavor")
1046                 return False
1047             else:
1048                 #### Convert all PREFER to REQUIRE since flavor will only have REQUIRE attributes
1049                 if required.cpu_model.replace('PREFER', 'REQUIRE') != available.cpu_model:
1050                     self._log.debug("Matching CPU model failed. Required: %s, Available: %s", required.cpu_model, available.cpu_model)
1051                     return False
1052         elif available.has_field('cpu_model'):
1053             self._log.debug("Rejecting available flavor because cpu_model not required but available")
1054             return False
1055
1056         if required.has_field('cpu_arch'):
1057             self._log.debug("Matching CPU architecture")
1058             if available.has_field('cpu_arch') == False:
1059                 self._log.debug("Matching CPU architecture failed. Not available in flavor")
1060                 return False
1061             else:
1062                 #### Convert all PREFER to REQUIRE since flavor will only have REQUIRE attributes
1063                 if required.cpu_arch.replace('PREFER', 'REQUIRE') != available.cpu_arch:
1064                     self._log.debug("Matching CPU architecture failed. Required: %s, Available: %s", required.cpu_arch, available.cpu_arch)
1065                     return False
1066         elif available.has_field('cpu_arch'):
1067             self._log.debug("Rejecting available flavor because cpu_arch not required but available")
1068             return False
1069
1070         if required.has_field('cpu_vendor'):
1071             self._log.debug("Matching CPU vendor")
1072             if available.has_field('cpu_vendor') == False:
1073                 self._log.debug("Matching CPU vendor failed. Not available in flavor")
1074                 return False
1075             else:
1076                 #### Convert all PREFER to REQUIRE since flavor will only have REQUIRE attributes
1077                 if required.cpu_vendor.replace('PREFER', 'REQUIRE') != available.cpu_vendor:
1078                     self._log.debug("Matching CPU vendor failed. Required: %s, Available: %s", required.cpu_vendor, available.cpu_vendor)
1079                     return False
1080         elif available.has_field('cpu_vendor'):
1081             self._log.debug("Rejecting available flavor because cpu_vendor not required but available")
1082             return False
1083
1084         if required.has_field('cpu_socket_count'):
1085             self._log.debug("Matching CPU socket count")
1086             if available.has_field('cpu_socket_count') == False:
1087                 self._log.debug("Matching CPU socket count failed. Not available in flavor")
1088                 return False
1089             else:
1090                 if required.cpu_socket_count != available.cpu_socket_count:
1091                     self._log.debug("Matching CPU socket count failed. Required: %s, Available: %s", required.cpu_socket_count, available.cpu_socket_count)
1092                     return False
1093         elif available.has_field('cpu_socket_count'):
1094             self._log.debug("Rejecting available flavor because cpu_socket_count not required but available")
1095             return False
1096
1097         if required.has_field('cpu_core_count'):
1098             self._log.debug("Matching CPU core count")
1099             if available.has_field('cpu_core_count') == False:
1100                 self._log.debug("Matching CPU core count failed. Not available in flavor")
1101                 return False
1102             else:
1103                 if required.cpu_core_count != available.cpu_core_count:
1104                     self._log.debug("Matching CPU core count failed. Required: %s, Available: %s", required.cpu_core_count, available.cpu_core_count)
1105                     return False
1106         elif available.has_field('cpu_core_count'):
1107             self._log.debug("Rejecting available flavor because cpu_core_count not required but available")
1108             return False
1109
1110         if required.has_field('cpu_core_thread_count'):
1111             self._log.debug("Matching CPU core thread count")
1112             if available.has_field('cpu_core_thread_count') == False:
1113                 self._log.debug("Matching CPU core thread count failed. Not available in flavor")
1114                 return False
1115             else:
1116                 if required.cpu_core_thread_count != available.cpu_core_thread_count:
1117                     self._log.debug("Matching CPU core thread count failed. Required: %s, Available: %s", required.cpu_core_thread_count, available.cpu_core_thread_count)
1118                     return False
1119         elif available.has_field('cpu_core_thread_count'):
1120             self._log.debug("Rejecting available flavor because cpu_core_thread_count not required but available")
1121             return False
1122
1123         if required.has_field('cpu_feature'):
1124             self._log.debug("Matching CPU feature list")
1125             if available.has_field('cpu_feature') == False:
1126                 self._log.debug("Matching CPU feature list failed. Not available in flavor")
1127                 return False
1128             else:
1129                 for feature in required.cpu_feature:
1130                     if feature not in available.cpu_feature:
1131                         self._log.debug("Matching CPU feature list failed. Required feature: %s is not present. Available features: %s", feature, available.cpu_feature)
1132                         return False
1133         elif available.has_field('cpu_feature'):
1134             self._log.debug("Rejecting available flavor because cpu_feature not required but available")
1135             return False
1136         self._log.info("Successful match for Host EPA attributes")
1137         return True
1138
1139
1140     def _match_placement_group_inputs(self, required, available):
1141         self._log.info("Matching Host aggregate attributes")
1142
1143         if not required and not available:
1144             # Host aggregate not required and not available => success
1145             self._log.info("Successful match for Host Aggregate attributes")
1146             return True
1147         if required and available:
1148             # Host aggregate requested and available => Do a match and decide
1149             xx = [ x.as_dict() for x in required ]
1150             yy = [ y.as_dict() for y in available ]
1151             for i in xx:
1152                 if i not in yy:
1153                     self._log.debug("Rejecting available flavor because host Aggregate mismatch. Required: %s, Available: %s ", required, available)
1154                     return False
1155             self._log.info("Successful match for Host Aggregate attributes")
1156             return True
1157         else:
1158             # Either of following conditions => Failure
1159             #  - Host aggregate required but not available
1160             #  - Host aggregate not required but available
1161             self._log.debug("Rejecting available flavor because host Aggregate mismatch. Required: %s, Available: %s ", required, available)
1162             return False
1163
1164
1165     def match_image_params(self, resource_info, request_params):
1166         return True
1167
1168     def match_epa_params(self, resource_info, request_params):
1169         result = self._match_vm_flavor(getattr(request_params, 'vm_flavor'),
1170                                        getattr(resource_info, 'vm_flavor'))
1171         if result == False:
1172             self._log.debug("VM Flavor mismatched")
1173             return False
1174
1175         result = self._match_guest_epa(getattr(request_params, 'guest_epa'),
1176                                        getattr(resource_info, 'guest_epa'))
1177         if result == False:
1178             self._log.debug("Guest EPA mismatched")
1179             return False
1180
1181         result = self._match_vswitch_epa(getattr(request_params, 'vswitch_epa'),
1182                                          getattr(resource_info, 'vswitch_epa'))
1183         if result == False:
1184             self._log.debug("Vswitch EPA mismatched")
1185             return False
1186
1187         result = self._match_hypervisor_epa(getattr(request_params, 'hypervisor_epa'),
1188                                             getattr(resource_info, 'hypervisor_epa'))
1189         if result == False:
1190             self._log.debug("Hypervisor EPA mismatched")
1191             return False
1192
1193         result = self._match_host_epa(getattr(request_params, 'host_epa'),
1194                                       getattr(resource_info, 'host_epa'))
1195         if result == False:
1196             self._log.debug("Host EPA mismatched")
1197             return False
1198
1199         result = self._match_placement_group_inputs(getattr(request_params, 'host_aggregate'),
1200                                                     getattr(resource_info, 'host_aggregate'))
1201
1202         if result == False:
1203             self._log.debug("Host Aggregate mismatched")
1204             return False
1205
1206         return True
1207
1208     @asyncio.coroutine
1209     def initialize_resource_in_cal(self, resource, request):
1210         self._log.info("Initializing the compute-resource with id: %s in RW.CAL", resource.resource_id)
1211         modify_params = RwcalYang.VDUModifyParams()
1212         modify_params.vdu_id = resource.resource_id
1213         modify_params.image_id = request.image_id
1214
1215         for c_point in request.connection_points:
1216             self._log.debug("Adding connection point for VDU: %s to virtual-compute with id: %s  Connection point Name: %s",
1217                             request.name,resource.resource_id,c_point.name)
1218             point = modify_params.connection_points_add.add()
1219             point.name = c_point.name
1220             point.virtual_link_id = c_point.virtual_link_id
1221         yield from self._cal.modify_virtual_compute(modify_params)
1222
1223     @asyncio.coroutine
1224     def uninitialize_resource_in_cal(self, resource):
1225         self._log.info("Un-initializing the compute-resource with id: %s in RW.CAL", resource.resource_id)
1226         modify_params = RwcalYang.VDUModifyParams()
1227         modify_params.vdu_id = resource.resource_id
1228         resource_info =  yield from self.get_resource_info(resource)
1229         for c_point in resource_info.connection_points:
1230             self._log.debug("Removing connection point: %s from VDU: %s ",
1231                             c_point.name,resource_info.name)
1232             point = modify_params.connection_points_remove.add()
1233             point.connection_point_id = c_point.connection_point_id
1234         yield from self._cal.modify_virtual_compute(modify_params)
1235
1236
1237 class ResourceMgrCore(object):
1238     def __init__(self, dts, log, log_hdl, loop, parent):
1239         self._log = log
1240         self._log_hdl = log_hdl
1241         self._dts = dts
1242         self._loop = loop
1243         self._executor = concurrent.futures.ThreadPoolExecutor(max_workers=1)
1244         self._parent = parent
1245         self._cloud_cals = {}
1246         # Dictionary of pool objects keyed by name
1247         self._cloud_pool_table = {}
1248         # Dictionary of tuples (resource_id, cloud_account_name, pool_name) keyed by event_id
1249         self._resource_table = {}
1250         self._pool_class = {'compute': ComputePool,
1251                             'network': NetworkPool}
1252
1253     def _get_cloud_pool_table(self, cloud_account_name):
1254         if cloud_account_name not in self._cloud_pool_table:
1255             msg = "Cloud account %s not found" % cloud_account_name
1256             self._log.error(msg)
1257             raise ResMgrCloudAccountNotFound(msg)
1258
1259         return self._cloud_pool_table[cloud_account_name]
1260
1261     def _get_cloud_cal_plugin(self, cloud_account_name):
1262         if cloud_account_name not in self._cloud_cals:
1263             msg = "Cloud account %s not found" % cloud_account_name
1264             self._log.error(msg)
1265             raise ResMgrCloudAccountNotFound(msg)
1266
1267         return self._cloud_cals[cloud_account_name]
1268
1269     def _add_default_cloud_pools(self, cloud_account_name):
1270         self._log.debug("Adding default compute and network pools for cloud account %s",
1271                         cloud_account_name)
1272         default_pools = [
1273                     {
1274                         'name': '____default_compute_pool',
1275                         'resource_type': 'compute',
1276                         'pool_type': 'dynamic',
1277                         'max_size': 128,
1278                     },
1279                     {
1280                         'name': '____default_network_pool',
1281                         'resource_type': 'network',
1282                         'pool_type': 'dynamic',
1283                         'max_size': 128,
1284                     },
1285                 ]
1286
1287         for pool_dict in default_pools:
1288             pool_info = ResourcePoolInfo.from_dict(pool_dict)
1289             self._log.info("Applying configuration for cloud account %s pool: %s",
1290                            cloud_account_name, pool_info.name)
1291
1292             self.add_resource_pool(cloud_account_name, pool_info)
1293             self.unlock_resource_pool(cloud_account_name, pool_info.name)
1294
1295     def get_cloud_account_names(self):
1296         """ Returns a list of configured cloud account names """
1297         return self._cloud_cals.keys()
1298
1299     def add_cloud_account(self, account):
1300         self._log.debug("Received CAL account. Account Name: %s, Account Type: %s",
1301                         account.name, account.account_type)
1302
1303         ### Add cal handler to all the pools
1304         if account.name in self._cloud_cals:
1305             raise ResMgrCloudAccountExists("Cloud account already exists in res mgr: %s",
1306                                            account.name)
1307
1308         self._cloud_pool_table[account.name] = {}
1309
1310         cal = ResourceMgrCALHandler(self._loop, self._executor, self._log, self._log_hdl, account)
1311         self._cloud_cals[account.name] = cal
1312
1313         self._add_default_cloud_pools(account.name)
1314
1315     def update_cloud_account(self, account):
1316         raise NotImplementedError("Update cloud account not implemented")
1317
1318     def delete_cloud_account(self, account_name, dry_run=False):
1319         cloud_pool_table = self._get_cloud_pool_table(account_name)
1320         for pool in cloud_pool_table.values():
1321             if pool.in_use():
1322                 raise ResMgrCloudAccountInUse("Cannot delete cloud which is currently in use")
1323
1324         # If dry_run is specified, do not actually delete the cloud account
1325         if dry_run:
1326             return
1327
1328         for pool in list(cloud_pool_table):
1329             self.delete_resource_pool(account_name, pool)
1330
1331         del self._cloud_pool_table[account_name]
1332         del self._cloud_cals[account_name]
1333
1334     def add_resource_pool(self, cloud_account_name, pool_info):
1335         cloud_pool_table = self._get_cloud_pool_table(cloud_account_name)
1336         if pool_info.name in cloud_pool_table:
1337             raise ResMgrDuplicatePool("Pool with name: %s already exists", pool_info.name)
1338
1339         cloud_cal = self._get_cloud_cal_plugin(cloud_account_name)
1340         pool = self._pool_class[pool_info.resource_type](self._log, self._loop, pool_info, cloud_cal)
1341
1342         cloud_pool_table[pool_info.name] = pool
1343
1344     def delete_resource_pool(self, cloud_account_name, pool_name):
1345         cloud_pool_table = self._get_cloud_pool_table(cloud_account_name)
1346         if pool_name not in cloud_pool_table:
1347             self._log.error("Pool: %s not found for deletion", pool_name)
1348             return
1349         pool = cloud_pool_table[pool_name]
1350
1351         if pool.in_use():
1352             # Can't delete a pool in use
1353             self._log.error("Pool: %s in use. Can not delete in-use pool", pool.name)
1354             return
1355
1356         pool.cleanup()
1357         del cloud_pool_table[pool_name]
1358         self._log.info("Resource Pool: %s successfully deleted", pool_name)
1359
1360     def modify_resource_pool(self, cloud_account_name, pool):
1361         pass
1362
1363     def lock_resource_pool(self, cloud_account_name, pool_name):
1364         cloud_pool_table = self._get_cloud_pool_table(cloud_account_name)
1365         if pool_name not in cloud_pool_table:
1366             self._log.info("Pool: %s is not available for lock operation")
1367             return
1368
1369         pool = cloud_pool_table[pool_name]
1370         pool.lock_pool()
1371
1372     def unlock_resource_pool(self, cloud_account_name, pool_name):
1373         cloud_pool_table = self._get_cloud_pool_table(cloud_account_name)
1374         if pool_name not in cloud_pool_table:
1375             self._log.info("Pool: %s is not available for unlock operation")
1376             return
1377
1378         pool = cloud_pool_table[pool_name]
1379         pool.unlock_pool()
1380
1381     def get_resource_pool_info(self, cloud_account_name, pool_name):
1382         cloud_pool_table = self._get_cloud_pool_table(cloud_account_name)
1383         if pool_name in cloud_pool_table:
1384             pool = cloud_pool_table[pool_name]
1385             return pool.get_pool_info()
1386         else:
1387             return None
1388
1389     def get_resource_pool_list(self, cloud_account_name):
1390         return [v for _, v in self._get_cloud_pool_table(cloud_account_name).items()]
1391
1392     def _select_resource_pools(self, cloud_account_name, resource_type):
1393         pools = [pool for pool in self.get_resource_pool_list(cloud_account_name) if pool.resource_type == resource_type and pool.status == 'unlocked']
1394         if not pools:
1395             raise ResMgrPoolNotAvailable("No %s pool found for resource allocation", resource_type)
1396
1397         return pools[0]
1398
1399     @asyncio.coroutine
1400     def allocate_virtual_resource(self, event_id, cloud_account_name, request, resource_type):
1401         ### Check if event_id is unique or already in use
1402         if event_id in self._resource_table:
1403             r_id, cloud_account_name, pool_name = self._resource_table[event_id]
1404             self._log.warning("Requested event-id :%s for resource-allocation already active with pool: %s",
1405                               event_id, pool_name)
1406             # If resource-type matches then return the same resource
1407             cloud_pool_table = self._get_cloud_pool_table(cloud_account_name)
1408             pool = cloud_pool_table[pool_name]
1409             if pool.resource_type == resource_type:
1410
1411                 info = yield from pool.read_resource_info(r_id)
1412                 return info
1413             else:
1414                 self._log.error("Event-id conflict. Duplicate event-id: %s", event_id)
1415                 raise ResMgrDuplicateEventId("Requested event-id :%s already active with pool: %s" %(event_id, pool_name))
1416
1417         ### All-OK, lets go ahead with resource allocation
1418         pool = self._select_resource_pools(cloud_account_name, resource_type)
1419         self._log.info("Selected pool %s for resource allocation", pool.name)
1420
1421         r_id, r_info = yield from pool.allocate_resource(request)
1422
1423         self._resource_table[event_id] = (r_id, cloud_account_name, pool.name)
1424         return r_info
1425
1426     @asyncio.coroutine
1427     def reallocate_virtual_resource(self, event_id, cloud_account_name, request, resource_type, resource):
1428         ### Check if event_id is unique or already in use
1429         if event_id in self._resource_table:
1430             r_id, cloud_account_name, pool_name = self._resource_table[event_id]
1431             self._log.warning("Requested event-id :%s for resource-allocation already active with pool: %s",
1432                               event_id, pool_name)
1433             # If resource-type matches then return the same resource
1434             cloud_pool_table = self._get_cloud_pool_table(cloud_account_name)
1435             pool = cloud_pool_table[pool_name]
1436             if pool.resource_type == resource_type:
1437                 info = yield from pool.read_resource_info(r_id)
1438                 return info
1439             else:
1440                 self._log.error("Event-id conflict. Duplicate event-id: %s", event_id)
1441                 raise ResMgrDuplicateEventId("Requested event-id :%s already active with pool: %s" %(event_id, pool_name))
1442
1443         r_info = None
1444         cloud_pool_table = self._get_cloud_pool_table(cloud_account_name)
1445         pool = cloud_pool_table[resource.pool_name]
1446         if pool.resource_type == resource_type:
1447             if resource_type == 'network':
1448               r_id = resource.virtual_link_id
1449               r_info = yield from pool.get_info_by_id(resource.virtual_link_id)
1450             elif resource_type == 'compute':
1451               r_id = resource.vdu_id
1452               r_info = yield from pool.get_info_by_id(resource.vdu_id)
1453
1454         if r_info is None:
1455             r_id, r_info = yield from pool.allocate_resource(request)
1456             self._resource_table[event_id] = (r_id, cloud_account_name, resource.pool_name)
1457             return r_info
1458
1459         self._resource_table[event_id] = (r_id, cloud_account_name, resource.pool_name)
1460         new_resource = pool._resource_class(r_id, 'dynamic', request)
1461         if resource_type == 'compute':
1462             requested_params = RwcalYang.VDUInitParams()
1463             requested_params.from_dict(request.as_dict())
1464             new_resource.requested_params = requested_params
1465         pool._all_resources[r_id] = new_resource
1466         pool._allocated_resources[r_id] = new_resource
1467         return r_info
1468
1469     @asyncio.coroutine
1470     def release_virtual_resource(self, event_id, resource_type):
1471         ### Check if event_id exists
1472         if event_id not in self._resource_table:
1473             self._log.error("Received resource-release-request with unknown Event-id :%s", event_id)
1474             raise ResMgrUnknownEventId("Received resource-release-request with unknown Event-id :%s" %(event_id))
1475
1476         ## All-OK, lets proceed with resource release
1477         r_id, cloud_account_name, pool_name = self._resource_table.pop(event_id)
1478         self._log.debug("Attempting to release virtual resource id %s from pool %s",
1479                         r_id, pool_name)
1480
1481         cloud_pool_table = self._get_cloud_pool_table(cloud_account_name)
1482         pool = cloud_pool_table[pool_name]
1483         yield from pool.release_resource(r_id)
1484
1485     @asyncio.coroutine
1486     def read_virtual_resource(self, event_id, resource_type):
1487         ### Check if event_id exists
1488         if event_id not in self._resource_table:
1489             self._log.error("Received resource-read-request with unknown Event-id :%s", event_id)
1490             raise ResMgrUnknownEventId("Received resource-read-request with unknown Event-id :%s" %(event_id))
1491
1492         ## All-OK, lets proceed
1493         r_id, cloud_account_name, pool_name = self._resource_table[event_id]
1494         cloud_pool_table = self._get_cloud_pool_table(cloud_account_name)
1495         pool = cloud_pool_table[pool_name]
1496         info = yield from pool.read_resource_info(r_id)
1497         return info