/usr/lib/python2.7/dist-packages/neutron_lbaas/drivers/netscaler/netscaler_driver_v2.py is in python-neutron-lbaas 1:9.1.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 | # Copyright 2015 Citrix Systems, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import abc
from oslo_config import cfg
from oslo_log import log as logging
from neutron import context as ncontext
from neutron.plugins.common import constants
from oslo_service import service
from neutron_lbaas._i18n import _, _LE
from neutron_lbaas.drivers import driver_base
from neutron_lbaas.drivers import driver_mixins
from neutron_lbaas.services.loadbalancer.drivers.netscaler import ncc_client
DEFAULT_PERIODIC_TASK_INTERVAL = "2"
DEFAULT_STATUS_COLLECTION = "True"
DEFAULT_PAGE_SIZE = "300"
DEFAULT_IS_SYNCRONOUS = "True"
PROV = "provisioning_status"
NETSCALER = "netscaler"
LOG = logging.getLogger(__name__)
NETSCALER_CC_OPTS = [
cfg.StrOpt(
'netscaler_ncc_uri',
help=_('The URL to reach the NetScaler Control Center Server.'),
),
cfg.StrOpt(
'netscaler_ncc_username',
help=_('Username to login to the NetScaler Control Center Server.'),
),
cfg.StrOpt(
'netscaler_ncc_password',
secret=True,
help=_('Password to login to the NetScaler Control Center Server.'),
),
cfg.StrOpt(
'periodic_task_interval',
default=DEFAULT_PERIODIC_TASK_INTERVAL,
help=_('Setting for periodic task collection interval from'
'NetScaler Control Center Server..'),
),
cfg.StrOpt(
'is_synchronous',
default=DEFAULT_IS_SYNCRONOUS,
help=_('Setting for option to enable synchronous operations'
'NetScaler Control Center Server.'),
),
cfg.StrOpt(
'netscaler_ncc_cleanup_mode',
help=_(
'Setting to enable/disable cleanup mode for NetScaler Control '
'Center Server'),
),
cfg.StrOpt(
'netscaler_status_collection',
default=DEFAULT_STATUS_COLLECTION + "," + DEFAULT_PAGE_SIZE,
help=_('Setting for member status collection from'
'NetScaler Control Center Server.'),
)
]
if not hasattr(cfg.CONF, "netscaler_driver"):
cfg.CONF.register_opts(NETSCALER_CC_OPTS, 'netscaler_driver')
LBS_RESOURCE = 'loadbalancers'
LB_RESOURCE = 'loadbalancer'
LISTENERS_RESOURCE = 'listeners'
LISTENER_RESOURCE = 'listener'
POOLS_RESOURCE = 'pools'
POOL_RESOURCE = 'pool'
MEMBERS_RESOURCE = 'members'
MEMBER_RESOURCE = 'member'
MONITORS_RESOURCE = 'healthmonitors'
MONITOR_RESOURCE = 'healthmonitor'
STATS_RESOURCE = 'stats'
PROV_SEGMT_ID = 'provider:segmentation_id'
PROV_NET_TYPE = 'provider:network_type'
DRIVER_NAME = 'netscaler_driver'
RESOURCE_PREFIX = 'v2.0/lbaas'
STATUS_PREFIX = 'oca/v2'
MEMBER_STATUS = 'memberstatus'
PAGE = 'page'
SIZE = 'size'
PROVISIONING_STATUS_TRACKER = []
class NetScalerLoadBalancerDriverV2(driver_base.LoadBalancerBaseDriver):
def __init__(self, plugin):
super(NetScalerLoadBalancerDriverV2, self).__init__(plugin)
self.driver_conf = cfg.CONF.netscaler_driver
self.admin_ctx = ncontext.get_admin_context()
self._init_client()
self._init_managers()
self._init_status_collection()
def _init_client(self):
ncc_uri = self.driver_conf.netscaler_ncc_uri
ncc_username = self.driver_conf.netscaler_ncc_username
ncc_password = self.driver_conf.netscaler_ncc_password
ncc_cleanup_mode = cfg.CONF.netscaler_driver.netscaler_ncc_cleanup_mode
self.client = ncc_client.NSClient(ncc_uri,
ncc_username,
ncc_password,
ncc_cleanup_mode)
def _init_managers(self):
self.load_balancer = NetScalerLoadBalancerManager(self)
self.listener = NetScalerListenerManager(self)
self.pool = NetScalerPoolManager(self)
self.member = NetScalerMemberManager(self)
self.health_monitor = NetScalerHealthMonitorManager(self)
def _init_status_collection(self):
self.status_conf = self.driver_conf.netscaler_status_collection
self.periodic_task_interval = self.driver_conf.periodic_task_interval
status_conf = self.driver_conf.netscaler_status_collection
(is_status_collection,
pagesize_status_collection) = status_conf.split(",")
self.is_status_collection = True
if is_status_collection.lower() == "false":
self.is_status_collection = False
self.pagesize_status_collection = pagesize_status_collection
self._init_pending_status_tracker()
NetScalerStatusService(self).start()
def _init_pending_status_tracker(self):
# Initialize PROVISIONING_STATUS_TRACKER for loadbalancers in
# pending state
db_lbs = self.plugin.db.get_loadbalancers(
self.admin_ctx)
for db_lb in db_lbs:
if ((db_lb.id not in PROVISIONING_STATUS_TRACKER) and
(db_lb.provider.provider_name == NETSCALER) and
(db_lb.provisioning_status.startswith("PENDING_"))):
PROVISIONING_STATUS_TRACKER.append(db_lb.id)
def collect_provision_status(self):
msg = ("Collecting status ", self.periodic_task_interval)
LOG.debug(msg)
self._update_loadbalancers_provision_status()
def _update_loadbalancers_provision_status(self):
for lb_id in PROVISIONING_STATUS_TRACKER:
lb_statuses = self._get_loadbalancer_statuses(lb_id)
if lb_statuses:
self._update_status_tree_in_db(
lb_id, lb_statuses["lb_statuses"])
def _get_loadbalancer_statuses(self, lb_id):
"""Retrieve listener status from Control Center."""
resource_path = "%s/%s/%s/statuses" % (RESOURCE_PREFIX,
LBS_RESOURCE,
lb_id)
try:
statuses = self.client.retrieve_resource(
"GLOBAL", resource_path)[1]['dict']
except ncc_client.NCCException as e:
if e.is_not_found_exception():
return {"lb_statuses": None}
else:
return None
statuses = statuses["statuses"]
return {"lb_statuses": statuses}
def _update_status_tree_in_db(self, lb_id, loadbalancer_statuses):
track_loadbalancer = {"track": False}
db_lb = self.plugin.db.get_loadbalancer(self.admin_ctx,
lb_id)
if (not loadbalancer_statuses and
db_lb.provisioning_status == constants.PENDING_DELETE):
try:
self.load_balancer.successful_completion(
self.admin_ctx, db_lb, delete=True)
except Exception:
LOG.error(_LE("error with successful completion"))
PROVISIONING_STATUS_TRACKER.remove(lb_id)
return
else:
status_lb = loadbalancer_statuses["loadbalancer"]
status_listeners = status_lb["listeners"]
for db_listener in db_lb.listeners:
db_listener.loadbalancer = db_lb
status_listener = (self.
_update_entity_status_in_db(track_loadbalancer,
db_listener,
status_listeners,
self.listener))
if not status_listener:
continue
db_pool = db_listener.default_pool
if not db_pool:
continue
db_pool.listener = db_listener
status_pools = status_listener['pools']
status_pool = self._update_entity_status_in_db(track_loadbalancer,
db_pool,
status_pools,
self.pool)
db_members = db_pool.members
if not status_pool:
continue
status_members = status_pool['members']
for db_member in db_members:
db_member.pool = db_pool
self._update_entity_status_in_db(track_loadbalancer,
db_member,
status_members,
self.member)
db_hm = db_pool.healthmonitor
if db_hm:
db_hm.pool = db_pool
status_hm = status_pool['healthmonitor']
self._update_entity_status_in_db(track_loadbalancer,
db_hm,
[status_hm],
self.health_monitor)
if not track_loadbalancer['track']:
self._update_entity_status_in_db(
track_loadbalancer, db_lb, status_lb, self.load_balancer)
if not track_loadbalancer['track']:
PROVISIONING_STATUS_TRACKER.remove(lb_id)
def _update_entity_status_in_db(self, track_loadbalancer,
db_entity,
status_entities,
entity_manager):
if isinstance(status_entities, list):
entity_status = self._get_entity_status(
db_entity.id, status_entities)
else:
entity_status = status_entities
self._check_and_update_entity_status_in_db(
track_loadbalancer, db_entity, entity_status, entity_manager)
return entity_status
def _get_entity_status(self, entity_id, entities_status):
for entity_status in entities_status:
if entity_status and entity_status['id'] == entity_id:
return entity_status
return None
def _check_and_update_entity_status_in_db(self, track_loadbalancer,
db_entity,
entity_status, entity_manager):
if not db_entity.provisioning_status.startswith("PENDING_"):
# no operation is attempted on this entity
return
if entity_status:
if entity_status[PROV].startswith("PENDING_"):
# an entity is not finished provisioning. Continue to track
track_loadbalancer['track'] = True
return
if entity_status[PROV] == constants.ERROR:
# Marked for failed completion
try:
entity_manager.failed_completion(
self.admin_ctx, db_entity)
except Exception:
LOG.error(_LE("error with failed completion"))
return
if db_entity.provisioning_status == constants.PENDING_DELETE:
# entity is under deletion
# if entity is missing in lb status tree it should to be
# deleted
if entity_status:
msg = ('Invalid status set for delete of %s in statuses',
db_entity.id)
LOG.error(msg)
return
try:
entity_manager.successful_completion(
self.admin_ctx, db_entity, delete=True)
except Exception:
LOG.error(_LE("error with successful completion"))
return
if entity_status[PROV] != constants.ACTIVE:
msg = ('Invalid prov status for %s, should be ACTIVE '
"for CREATE and UPDATE",
db_entity.id)
LOG.error(msg)
return
try:
entity_manager.successful_completion(
self.admin_ctx, db_entity)
except Exception:
LOG.error(_LE("error with successful completion"))
return
class NetScalerCommonManager(driver_mixins.BaseManagerMixin):
def __init__(self, driver):
super(NetScalerCommonManager, self).__init__(driver)
self.payload_preparer = PayloadPreparer()
self.client = self.driver.client
self.is_synchronous = self.driver.driver_conf.is_synchronous
if self.is_synchronous.lower() == "false":
self.is_synchronous = False
else:
self.is_synchronous = True
def create(self, context, obj):
LOG.debug("%s, create %s", self.__class__.__name__, obj.id)
try:
self.create_entity(context, obj)
if self.is_synchronous:
self.successful_completion(context, obj)
else:
self.track_provision_status(obj)
except Exception:
self.failed_completion(context, obj)
raise
def update(self, context, old_obj, obj):
LOG.debug("%s, update %s", self.__class__.__name__, old_obj.id)
try:
self.update_entity(context, old_obj, obj)
if self.is_synchronous:
self.successful_completion(context, obj)
else:
self.track_provision_status(obj)
except Exception:
self.failed_completion(context, obj)
raise
def delete(self, context, obj):
LOG.debug("%s, delete %s", self.__class__.__name__, obj.id)
try:
self.delete_entity(context, obj)
if self.is_synchronous:
self.successful_completion(context, obj, delete=True)
else:
self.track_provision_status(obj)
except Exception:
self.failed_completion(context, obj)
raise
def track_provision_status(self, obj):
for lb in self._get_loadbalancers(obj):
if lb.id not in PROVISIONING_STATUS_TRACKER:
PROVISIONING_STATUS_TRACKER.append(lb.id)
def _get_loadbalancers(self, obj):
lbs = []
lbs.append(obj.root_loadbalancer)
return lbs
@abc.abstractmethod
def create_entity(self, context, obj):
pass
@abc.abstractmethod
def update_entity(self, context, old_obj, obj):
pass
@abc.abstractmethod
def delete_entity(self, context, obj):
pass
class NetScalerLoadBalancerManager(NetScalerCommonManager,
driver_base.BaseLoadBalancerManager):
def __init__(self, driver):
driver_base.BaseLoadBalancerManager.__init__(self, driver)
NetScalerCommonManager.__init__(self, driver)
def refresh(self, context, lb_obj):
# This is intended to trigger the backend to check and repair
# the state of this load balancer and all of its dependent objects
LOG.debug("LB refresh %s", lb_obj.id)
def stats(self, context, lb_obj):
pass
def create_entity(self, context, lb_obj):
ncc_lb = self.payload_preparer.prepare_lb_for_creation(lb_obj)
vip_subnet_id = lb_obj.vip_subnet_id
network_info = self.payload_preparer.\
get_network_info(context, self.driver.plugin, vip_subnet_id)
ncc_lb.update(network_info)
msg = _("NetScaler driver lb creation: %s") % repr(ncc_lb)
LOG.debug(msg)
resource_path = "%s/%s" % (RESOURCE_PREFIX, LBS_RESOURCE)
self.client.create_resource(context.tenant_id, resource_path,
LB_RESOURCE, ncc_lb)
def update_entity(self, context, old_lb_obj, lb_obj):
update_lb = self.payload_preparer.prepare_lb_for_update(lb_obj)
resource_path = "%s/%s/%s" % (RESOURCE_PREFIX, LBS_RESOURCE, lb_obj.id)
msg = (_("NetScaler driver lb_obj %(lb_obj_id)s update: %(lb_obj)s") %
{"lb_obj_id": old_lb_obj.id, "lb_obj": repr(lb_obj)})
LOG.debug(msg)
self.client.update_resource(context.tenant_id, resource_path,
LB_RESOURCE, update_lb)
def delete_entity(self, context, lb_obj):
"""Delete a loadbalancer on a NetScaler device."""
resource_path = "%s/%s/%s" % (RESOURCE_PREFIX, LBS_RESOURCE, lb_obj.id)
msg = _("NetScaler driver lb_obj removal: %s") % lb_obj.id
LOG.debug(msg)
self.client.remove_resource(context.tenant_id, resource_path)
class NetScalerListenerManager(NetScalerCommonManager,
driver_base.BaseListenerManager):
def __init__(self, driver):
driver_base.BaseListenerManager.__init__(self, driver)
NetScalerCommonManager.__init__(self, driver)
def stats(self, context, listener):
# returning dummy status now
LOG.debug(
"Tenant id %s , Listener stats %s", context.tenant_id, listener.id)
return {
"bytes_in": 0,
"bytes_out": 0,
"active_connections": 0,
"total_connections": 0
}
def create_entity(self, context, listener):
"""Listener is created with loadbalancer """
ncc_listener = self.payload_preparer.prepare_listener_for_creation(
listener)
msg = _("NetScaler driver listener creation: %s") % repr(ncc_listener)
LOG.debug(msg)
resource_path = "%s/%s" % (RESOURCE_PREFIX, LISTENERS_RESOURCE)
self.client.create_resource(context.tenant_id, resource_path,
LISTENER_RESOURCE, ncc_listener)
def update_entity(self, context, old_listener, listener):
update_listener = self.payload_preparer.prepare_listener_for_update(
listener)
resource_path = "%s/%s/%s" % (RESOURCE_PREFIX, LISTENERS_RESOURCE,
listener.id)
msg = (_("NetScaler driver listener %(listener_id)s "
"update: %(listener_obj)s") %
{"listener_id": old_listener.id,
"listener_obj": repr(listener)})
LOG.debug(msg)
self.client.update_resource(context.tenant_id, resource_path,
LISTENER_RESOURCE, update_listener)
def delete_entity(self, context, listener):
"""Delete a listener on a NetScaler device."""
resource_path = "%s/%s/%s" % (RESOURCE_PREFIX, LISTENERS_RESOURCE,
listener.id)
msg = _("NetScaler driver listener removal: %s") % listener.id
LOG.debug(msg)
self.client.remove_resource(context.tenant_id, resource_path)
class NetScalerPoolManager(NetScalerCommonManager,
driver_base.BasePoolManager):
def __init__(self, driver):
driver_base.BasePoolManager.__init__(self, driver)
NetScalerCommonManager.__init__(self, driver)
def create_entity(self, context, pool):
ncc_pool = self.payload_preparer.prepare_pool_for_creation(
pool)
msg = _("NetScaler driver pool creation: %s") % repr(ncc_pool)
LOG.debug(msg)
resource_path = "%s/%s" % (RESOURCE_PREFIX, POOLS_RESOURCE)
self.client.create_resource(context.tenant_id, resource_path,
POOL_RESOURCE, ncc_pool)
def update_entity(self, context, old_pool, pool):
update_pool = self.payload_preparer.prepare_pool_for_update(pool)
resource_path = "%s/%s/%s" % (RESOURCE_PREFIX, POOLS_RESOURCE,
pool.id)
msg = (_("NetScaler driver pool %(pool_id)s update: %(pool_obj)s") %
{"pool_id": old_pool.id, "pool_obj": repr(pool)})
LOG.debug(msg)
self.client.update_resource(context.tenant_id, resource_path,
POOL_RESOURCE, update_pool)
def delete_entity(self, context, pool):
"""Delete a pool on a NetScaler device."""
resource_path = "%s/%s/%s" % (RESOURCE_PREFIX, POOLS_RESOURCE,
pool.id)
msg = _("NetScaler driver pool removal: %s") % pool.id
LOG.debug(msg)
self.client.remove_resource(context.tenant_id, resource_path)
class NetScalerMemberManager(NetScalerCommonManager,
driver_base.BaseMemberManager):
def __init__(self, driver):
driver_base.BaseMemberManager.__init__(self, driver)
NetScalerCommonManager.__init__(self, driver)
def create_entity(self, context, member):
ncc_member = self.payload_preparer.prepare_member_for_creation(member)
subnet_id = member.subnet_id
network_info = (self.payload_preparer.
get_network_info(context, self.driver.plugin,
subnet_id))
ncc_member.update(network_info)
msg = _("NetScaler driver member creation: %s") % repr(ncc_member)
LOG.debug(msg)
parent_pool_id = member.pool.id
resource_path = "%s/%s/%s/%s" % (RESOURCE_PREFIX, POOLS_RESOURCE,
parent_pool_id, MEMBERS_RESOURCE)
self.client.create_resource(context.tenant_id, resource_path,
MEMBER_RESOURCE, ncc_member)
def update_entity(self, context, old_member, member):
parent_pool_id = member.pool.id
update_member = self.payload_preparer.prepare_member_for_update(member)
resource_path = "%s/%s/%s/%s/%s" % (RESOURCE_PREFIX,
POOLS_RESOURCE,
parent_pool_id,
MEMBERS_RESOURCE,
member.id)
msg = (_("NetScaler driver member %(member_id)s "
"update: %(member_obj)s") %
{"member_id": old_member.id, "member_obj": repr(member)})
LOG.debug(msg)
self.client.update_resource(context.tenant_id, resource_path,
MEMBER_RESOURCE, update_member)
def delete_entity(self, context, member):
"""Delete a member on a NetScaler device."""
parent_pool_id = member.pool.id
resource_path = "%s/%s/%s/%s/%s" % (RESOURCE_PREFIX,
POOLS_RESOURCE,
parent_pool_id,
MEMBERS_RESOURCE,
member.id)
msg = _("NetScaler driver member removal: %s") % member.id
LOG.debug(msg)
self.client.remove_resource(context.tenant_id, resource_path)
class NetScalerHealthMonitorManager(NetScalerCommonManager,
driver_base.BaseHealthMonitorManager):
def __init__(self, driver):
driver_base.BaseHealthMonitorManager.__init__(self, driver)
NetScalerCommonManager.__init__(self, driver)
def create_entity(self, context, hm):
ncc_hm = self.payload_preparer.prepare_healthmonitor_for_creation(hm)
msg = _("NetScaler driver healthmonitor creation: %s") % repr(ncc_hm)
LOG.debug(msg)
resource_path = "%s/%s" % (RESOURCE_PREFIX, MONITORS_RESOURCE)
self.client.create_resource(context.tenant_id, resource_path,
MONITOR_RESOURCE, ncc_hm)
def update_entity(self, context, old_healthmonitor, hm):
update_hm = self.payload_preparer.prepare_healthmonitor_for_update(hm)
resource_path = "%s/%s/%s" % (RESOURCE_PREFIX, MONITORS_RESOURCE,
hm.id)
msg = (_("NetScaler driver healthmonitor %(healthmonitor_id)s "
"update: %(healthmonitor_obj)s") %
{"healthmonitor_id": old_healthmonitor.id,
"healthmonitor_obj": repr(hm)})
LOG.debug(msg)
self.client.update_resource(context.tenant_id, resource_path,
MONITOR_RESOURCE, update_hm)
def delete_entity(self, context, hm):
"""Delete a healthmonitor on a NetScaler device."""
resource_path = "%s/%s/%s" % (RESOURCE_PREFIX, MONITORS_RESOURCE,
hm.id)
msg = _("NetScaler driver healthmonitor removal: %s") % hm.id
LOG.debug(msg)
self.client.remove_resource(context.tenant_id, resource_path)
class PayloadPreparer(object):
def prepare_lb_for_creation(self, lb):
creation_attrs = {
'id': lb.id,
'tenant_id': lb.tenant_id,
'vip_address': lb.vip_address,
'vip_subnet_id': lb.vip_subnet_id,
}
update_attrs = self.prepare_lb_for_update(lb)
creation_attrs.update(update_attrs)
return creation_attrs
def prepare_lb_for_update(self, lb):
return {
'name': lb.name,
'description': lb.description,
'admin_state_up': lb.admin_state_up,
}
def prepare_listener_for_creation(self, listener):
creation_attrs = {
'id': listener.id,
'tenant_id': listener.tenant_id,
'protocol': listener.protocol,
'protocol_port': listener.protocol_port,
'loadbalancer_id': listener.loadbalancer_id
}
update_attrs = self.prepare_listener_for_update(listener)
creation_attrs.update(update_attrs)
return creation_attrs
def prepare_listener_for_update(self, listener):
sni_container_ids = self.prepare_sni_container_ids(listener)
listener_dict = {
'name': listener.name,
'description': listener.description,
'sni_container_ids': sni_container_ids,
'default_tls_container_id': listener.default_tls_container_id,
'connection_limit': listener.connection_limit,
'admin_state_up': listener.admin_state_up
}
return listener_dict
def prepare_pool_for_creation(self, pool):
create_attrs = {
'id': pool.id,
'tenant_id': pool.tenant_id,
'listener_id': pool.listener.id,
'protocol': pool.protocol,
}
update_attrs = self.prepare_pool_for_update(pool)
create_attrs.update(update_attrs)
return create_attrs
def prepare_pool_for_update(self, pool):
update_attrs = {
'name': pool.name,
'description': pool.description,
'lb_algorithm': pool.lb_algorithm,
'admin_state_up': pool.admin_state_up
}
if pool.session_persistence:
peristence = pool.session_persistence
peristence_payload = self.prepare_sessionpersistence(peristence)
update_attrs['session_persistence'] = peristence_payload
return update_attrs
def prepare_sessionpersistence(self, persistence):
return {
'type': persistence.type,
'cookie_name': persistence.cookie_name
}
def prepare_members_for_pool(self, members):
members_attrs = []
for member in members:
member_attrs = self.prepare_member_for_creation(member)
members_attrs.append(member_attrs)
return members_attrs
def prepare_member_for_creation(self, member):
creation_attrs = {
'id': member.id,
'tenant_id': member.tenant_id,
'address': member.address,
'protocol_port': member.protocol_port,
'subnet_id': member.subnet_id
}
update_attrs = self.prepare_member_for_update(member)
creation_attrs.update(update_attrs)
return creation_attrs
def prepare_member_for_update(self, member):
return {
'weight': member.weight,
'admin_state_up': member.admin_state_up,
}
def prepare_healthmonitor_for_creation(self, health_monitor):
creation_attrs = {
'id': health_monitor.id,
'tenant_id': health_monitor.tenant_id,
'pool_id': health_monitor.pool.id,
'type': health_monitor.type,
}
update_attrs = self.prepare_healthmonitor_for_update(health_monitor)
creation_attrs.update(update_attrs)
return creation_attrs
def prepare_healthmonitor_for_update(self, health_monitor):
ncc_hm = {
'delay': health_monitor.delay,
'timeout': health_monitor.timeout,
'max_retries': health_monitor.max_retries,
'admin_state_up': health_monitor.admin_state_up,
}
if health_monitor.type in ['HTTP', 'HTTPS']:
ncc_hm['http_method'] = health_monitor.http_method
ncc_hm['url_path'] = health_monitor.url_path
ncc_hm['expected_codes'] = health_monitor.expected_codes
return ncc_hm
def get_network_info(self, context, plugin, subnet_id):
network_info = {}
subnet = plugin.db._core_plugin.get_subnet(context, subnet_id)
network_id = subnet['network_id']
network = plugin.db._core_plugin.get_network(context, network_id)
network_info['network_id'] = network_id
network_info['subnet_id'] = subnet_id
if PROV_NET_TYPE in network:
network_info['network_type'] = network[PROV_NET_TYPE]
if PROV_SEGMT_ID in network:
network_info['segmentation_id'] = network[PROV_SEGMT_ID]
return network_info
def prepare_sni_container_ids(self, listener):
sni_container_ids = []
for sni_container in listener.sni_containers:
sni_container_ids.append(sni_container.tls_container_id)
return sni_container_ids
class NetScalerStatusService(service.Service):
def __init__(self, driver):
super(NetScalerStatusService, self).__init__()
self.driver = driver
def start(self):
super(NetScalerStatusService, self).start()
self.tg.add_timer(
int(self.driver.periodic_task_interval),
self.driver.collect_provision_status,
None
)
|