def __init__(self, conf, driver): # XXX maybe we need a better name: conf
"""Create a BigipTenantManager."""
self.conf = conf
self.driver = driver
self.system_helper = SystemHelper()
self.network_helper = NetworkHelper()
self.service_adapter = self.driver.service_adapter
def __init__(self, driver, f5_global_routed_mode):
self.conf = driver.conf
self.driver = driver
self.f5_global_routed_mode = f5_global_routed_mode
self.vlan_binding = None
self.fdb_connector = None
self.interface_mapping = {}
self.tagging_mapping = {}
self.system_helper = SystemHelper()
self.network_helper = NetworkHelper()
self.service_adapter = ServiceModelAdapter(self.conf)
if not f5_global_routed_mode:
self.fdb_connector = FDBConnectorML2(self.conf)
if self.conf.vlan_binding_driver:
try:
self.vlan_binding = importutils.import_object(
self.conf.vlan_binding_driver, self.conf, self)
except ImportError:
LOG.error('Failed to import VLAN binding driver: %s'
% self.conf.vlan_binding_driver)
raise
# map format is phynet:interface:tagged
for maps in self.conf.f5_external_physical_mappings:
intmap = maps.split(':')
net_key = str(intmap[0]).strip()
if len(intmap) > 3:
net_key = net_key + ':' + str(intmap[3]).strip()
self.interface_mapping[net_key] = str(intmap[1]).strip()
self.tagging_mapping[net_key] = str(intmap[2]).strip()
LOG.debug('physical_network %s = interface %s, tagged %s'
% (net_key, intmap[1], intmap[2]))
def test_network_helper_delete_fdb_entries(
self, l2_service, service, bigips):
# delete member fdb entry
loadbalancer = None
members = list()
member = service['members'][1]
network_id = member['network_id']
member['network'] = service['networks'][network_id]
members.append(member)
tunnel_records = l2_service.create_fdb_records(loadbalancer, members)
network_helper = NetworkHelper()
tunnel = mock.MagicMock()
tunnel.exists = mock.MagicMock(return_value=True)
tunnel_record = mock.MagicMock()
tunnel.records_s.records.load = mock.MagicMock(
return_value=tunnel_record)
tunnel.records_s.records.exist = mock.MagicMock(return_value=True)
bigip = bigips[0]
bigip.tm.net.fdb.tunnels.tunnel.load = mock.MagicMock(
return_value=tunnel)
network_helper.delete_fdb_entries(bigip, fdb_entries=tunnel_records)
# expect to delete
tunnel_record.delete.assert_called()
def __init__(self, conf, driver): # XXX maybe we need a better name: conf
"""Create a BigipTenantManager."""
self.conf = conf
self.driver = driver
self.system_helper = SystemHelper()
self.network_helper = NetworkHelper()
self.service_adapter = self.driver.service_adapter
def __init__(self, conf, f5_global_routed_mode):
self.conf = conf
self.f5_global_routed_mode = f5_global_routed_mode
self.vlan_binding = None
self.fdb_connector = None
self.vcmp_manager = None
self.interface_mapping = {}
self.tagging_mapping = {}
self.system_helper = SystemHelper()
self.network_helper = NetworkHelper()
self.service_adapter = ServiceModelAdapter(conf)
if not f5_global_routed_mode:
self.fdb_connector = FDBConnectorML2(conf)
if self.conf.vlan_binding_driver:
try:
self.vlan_binding = importutils.import_object(
self.conf.vlan_binding_driver, self.conf, self)
except ImportError:
LOG.error('Failed to import VLAN binding driver: %s'
% self.conf.vlan_binding_driver)
# map format is phynet:interface:tagged
for maps in self.conf.f5_external_physical_mappings:
intmap = maps.split(':')
net_key = str(intmap[0]).strip()
if len(intmap) > 3:
net_key = net_key + ':' + str(intmap[3]).strip()
self.interface_mapping[net_key] = str(intmap[1]).strip()
self.tagging_mapping[net_key] = str(intmap[2]).strip()
LOG.debug('physical_network %s = interface %s, tagged %s'
% (net_key, intmap[1], intmap[2]))
class DisconnectedService(object):
network_name = "disconnected_network"
def __init__(self):
self.network_name = DisconnectedService.network_name
self.network_helper = NetworkHelper()
# The following method presumes that the plugin driver is aware that we're
# running in hierarchical mode or not and sets segmentation_id correctly.
def is_service_connected(self, service):
networks = service["networks"]
network_id = service["loadbalancer"]["network_id"]
network = networks.get(network_id, {})
if network.get("provider:network_type", "") == "flat":
return True
segmentation_id = network.get("provider:segmentation_id", 0)
return segmentation_id
def is_virtual_connected(self, virtual, bigips):
# check if virtual_server is connected on any of our bigips
connected = True
for bigip in bigips:
vsf = bigip.tm.ltm.virtuals.virtual
if vsf.exists(name=virtual["name"], partition=virtual["partition"]):
vs = vsf.load(name=virtual["name"], partition=virtual["partition"])
if getattr(vs, "vlansDisabled", False) or not getattr(vs, "vlansEnabled", True):
# accommodate quirk of how big-ip returns virtual server
# if vlans are disabled OR vlans are not enabled, then
# we're connected
continue
network_path = "/%s/%s" % (virtual["partition"], self.network_name)
if network_path in getattr(vs, "vlans", []):
connected = False
break
return connected
def network_exists(self, bigip, partition):
t = bigip.tm.net.tunnels.tunnels.tunnel
return t.exists(name=self.network_name, partition=partition)
@log_helpers.log_method_call
def create_network(self, bigip, partition):
model = {
"name": self.network_name,
"partition": partition,
"profile": "ppp",
"description": "Tenant disconnected network",
}
t = self.network_helper.create_tunnel(bigip, model)
return t
@log_helpers.log_method_call
def delete_network(self, bigip, partition):
tf = bigip.tm.net.tunnels.tunnels.tunnel
if tf.exists(name=self.network_name, partition=partition):
tf.load(name=self.network_name, partition=partition).delete()
def __init__(self, driver, l2_service, l3_binding):
self.driver = driver
self.l2_service = l2_service
self.l3_binding = l3_binding
self.snatpool_manager = BigIPResourceHelper(ResourceType.snatpool)
self.snat_translation_manager = BigIPResourceHelper(
ResourceType.snat_translation)
self.network_helper = NetworkHelper()
def __init__(self, driver, l2_service, l3_binding):
self.driver = driver
self.l2_service = l2_service
self.l3_binding = l3_binding
self.snatpool_manager = BigIPResourceHelper(ResourceType.snatpool)
self.snat_translation_manager = BigIPResourceHelper(
ResourceType.snat_translation)
self.network_helper = NetworkHelper()
def purge_folder_contents(self, bigip, folder):
network_helper = NetworkHelper()
if folder not in self.exempt_folders:
# First remove all LTM resources.
ltm_types = [
ResourceType.virtual,
ResourceType.virtual_address,
ResourceType.pool,
ResourceType.http_monitor,
ResourceType.https_monitor,
ResourceType.tcp_monitor,
ResourceType.ping_monitor,
ResourceType.node,
ResourceType.snat,
ResourceType.snatpool,
ResourceType.snat_translation,
ResourceType.universal_persistence,
ResourceType.rule,
ResourceType.l7policy
]
for ltm_type in ltm_types:
resource = BigIPResourceHelper(ltm_type)
[r.delete() for r in resource.get_resources(bigip, folder)]
# Remove all net resources
net_types = [
ResourceType.arp,
ResourceType.selfip,
ResourceType.vlan,
ResourceType.route_domain
]
for net_type in net_types:
resource = BigIPResourceHelper(net_type)
[r.delete() for r in resource.get_resources(bigip, folder)]
# Tunnels and fdb's require some special attention.
resource = BigIPResourceHelper(ResourceType.tunnel)
tunnels = resource.get_resources(bigip, folder)
for tunnel in tunnels:
network_helper.delete_all_fdb_entries(
bigip, tunnel.name, folder)
network_helper.delete_tunnel(
bigip, tunnel.name, folder)
def __init__(self, f5_global_routed_mode, conf, driver, l3_binding=None):
self.f5_global_routed_mode = f5_global_routed_mode
self.conf = conf
self.driver = driver
self.l3_binding = l3_binding
self.l2_service = L2ServiceBuilder(driver, f5_global_routed_mode)
self.bigip_selfip_manager = BigipSelfIpManager(self.driver,
self.l2_service,
self.driver.l3_binding)
self.bigip_snat_manager = BigipSnatManager(self.driver,
self.l2_service,
self.driver.l3_binding)
self.rds_cache = {}
self.interface_mapping = self.l2_service.interface_mapping
self.network_helper = NetworkHelper()
self.service_adapter = self.driver.service_adapter
class DisconnectedService(object):
network_name = 'disconnected_network'
def __init__(self):
self.network_name = DisconnectedService.network_name
self.network_helper = NetworkHelper()
# The following method presumes that the plugin driver is aware that we're
# running in hierarchical mode or not and sets segmentation_id correctly.
def is_service_connected(self, service):
networks = service['networks']
network_id = service['loadbalancer']['network_id']
segmentation_id = networks[network_id]['provider:segmentation_id']
return (segmentation_id)
def is_virtual_connected(self, virtual, bigips):
# check if virtual_server is connected on any of our bigips
connected = True
for bigip in bigips:
vsf = bigip.tm.ltm.virtuals.virtual
if vsf.exists(name=virtual['name'],
partition=virtual['partition']):
vs = vsf.load(name=virtual['name'],
partition=virtual['partition'])
if (getattr(vs, 'vlansDisabled', False)
or not getattr(vs, 'vlansEnabled', True)):
# accommodate quirk of how big-ip returns virtual server
# if vlans are disabled OR vlans are not enabled, then
# we're connected
continue
network_path = "/%s/%s" % (virtual['partition'],
self.network_name)
if network_path in getattr(vs, 'vlans', []):
connected = False
break
return connected
def network_exists(self, bigip, partition):
t = bigip.tm.net.tunnels.tunnels.tunnel
return t.exists(name=self.network_name, partition=partition)
@log_helpers.log_method_call
def create_network(self, bigip, partition):
model = {
'name': self.network_name,
'partition': partition,
'profile': 'ppp',
'description': 'Tenant disconnected network'
}
t = self.network_helper.create_tunnel(bigip, model)
return t
@log_helpers.log_method_call
def delete_network(self, bigip, partition):
tf = bigip.tm.net.tunnels.tunnels.tunnel
if tf.exists(name=self.network_name, partition=partition):
tf.load(name=self.network_name, partition=partition).delete()
def test_add_remove_fdbs(bigip, icontrol_driver):
""" Test simulating L2 pop events to add/remove fdb entries."""
net_helper = NetworkHelper()
tunnels = list()
fdb_entries = list()
seg_id_start = 167
seg_id_end = 176
n_records = 9
# create tunnels on BIG-IP, and fake fdb entries
for seg_id in range(seg_id_start, seg_id_end):
tunnel_name = 'tunnel-vxlan-{}'.format(seg_id)
model = {
'name': tunnel_name,
'key': seg_id,
'profile': 'vxlan_ovs',
'localAddress': '201.0.155.10'
}
net_helper.create_multipoint_tunnel(bigip.bigip, model)
tunnels.append(tunnel_name)
# create a set of fdb entries that reference network seg ID
for _ in range(n_records):
entry = create_fdb_entry(seg_id)
fdb_entries.append(entry)
# add fdb entries
for fdb_entry in fdb_entries:
# mimic neutron L2 pop add_fdb_entries
icontrol_driver.fdb_add(fdb_entry)
for fdb_entry in fdb_entries:
# mimic neutron L2 pop add_fdb_entries
icontrol_driver.fdb_add(fdb_entry)
# check created
for tunnel_name in tunnels:
records = net_helper.get_fdb_entry(bigip.bigip,
tunnel_name=tunnel_name)
assert records
# remove fdb entries
for fdb_entry in fdb_entries:
# mimic neutron L2 pop remove_fdb_entries
icontrol_driver.fdb_remove(fdb_entry)
# check removed
for tunnel_name in tunnels:
records = net_helper.get_fdb_entry(bigip.bigip,
tunnel_name=tunnel_name)
assert not records
net_helper.delete_tunnel(bigip.bigip, tunnel_name)
class DisconnectedService(object):
network_name = 'disconnected_network'
def __init__(self):
self.network_name = DisconnectedService.network_name
self.network_helper = NetworkHelper()
# The following method presumes that the plugin driver is aware that we're
# running in hierarchical mode or not and sets segmentation_id correctly.
def is_service_connected(self, service):
networks = service['networks']
network_id = service['loadbalancer']['network_id']
segmentation_id = networks[network_id]['provider:segmentation_id']
return (segmentation_id)
def is_virtual_connected(self, virtual, bigips):
# check if virtual_server is connected on any of our bigips
connected = True
for bigip in bigips:
vsf = bigip.tm.ltm.virtuals.virtual
if vsf.exists(name=virtual['name'],
partition=virtual['partition']):
vs = vsf.load(
name=virtual['name'], partition=virtual['partition'])
if (getattr(vs, 'vlansDisabled', False) or
not getattr(vs, 'vlansEnabled', True)):
# accommodate quirk of how big-ip returns virtual server
# if vlans are disabled OR vlans are not enabled, then
# we're connected
continue
network_path = "/%s/%s" % (virtual['partition'],
self.network_name)
if network_path in getattr(vs, 'vlans', []):
connected = False
break
return connected
def network_exists(self, bigip, partition):
t = bigip.tm.net.tunnels.tunnels.tunnel
return t.exists(name=self.network_name, partition=partition)
@log_helpers.log_method_call
def create_network(self, bigip, partition):
model = {'name': self.network_name,
'partition': partition,
'profile': 'ppp',
'description': 'Tenant disconnected network'}
t = self.network_helper.create_tunnel(bigip, model)
return t
@log_helpers.log_method_call
def delete_network(self, bigip, partition):
tf = bigip.tm.net.tunnels.tunnels.tunnel
if tf.exists(name=self.network_name, partition=partition):
tf.load(name=self.network_name, partition=partition).delete()
def purge_folder_contents(self, bigip, folder):
network_helper = NetworkHelper()
if folder not in self.exempt_folders:
# First remove all LTM resources.
ltm_types = [
ResourceType.virtual, ResourceType.pool,
ResourceType.http_monitor, ResourceType.https_monitor,
ResourceType.tcp_monitor, ResourceType.ping_monitor,
ResourceType.node, ResourceType.snat, ResourceType.snatpool,
ResourceType.snat_translation, ResourceType.rule
]
for ltm_type in ltm_types:
resource = BigIPResourceHelper(ltm_type)
[r.delete() for r in resource.get_resources(bigip, folder)]
# Remove all net resources
net_types = [
ResourceType.arp, ResourceType.selfip, ResourceType.vlan,
ResourceType.route_domain
]
for net_type in net_types:
resource = BigIPResourceHelper(net_type)
[r.delete() for r in resource.get_resources(bigip, folder)]
# Tunnels and fdb's require some special attention.
resource = BigIPResourceHelper(ResourceType.tunnel)
tunnels = resource.get_resources(bigip, folder)
for tunnel in tunnels:
network_helper.delete_all_fdb_entries(bigip, tunnel.name,
folder)
network_helper.delete_tunnel(bigip, tunnel.name, folder)
def test_network_helper_delete_fdb_entries(
self, l2_service, service, bigips):
# delete member fdb entry
loadbalancer = None
members = list()
member = service['members'][1]
network_id = member['network_id']
member['network'] = service['networks'][network_id]
members.append(member)
tunnel_records = l2_service.create_fdb_records(loadbalancer, members)
network_helper = NetworkHelper()
fdb_entry = mock.MagicMock()
fdb_entry.modify = mock.MagicMock()
bigip = bigips[0]
bigip.tm.net.fdb.tunnels.tunnel.load = mock.MagicMock(
return_value=fdb_entry)
network_helper.delete_fdb_entries(bigip, fdb_entries=tunnel_records)
# expect to modify with no records (i.e, removing entry)
fdb_entry.modify.assert_called_with(records=None)
def test_network_helper_delete_fdb_entries(self, l2_service, service,
bigips):
# delete member fdb entry
loadbalancer = None
members = list()
member = service['members'][1]
network_id = member['network_id']
member['network'] = service['networks'][network_id]
members.append(member)
tunnel_records = l2_service.create_fdb_records(loadbalancer, members)
network_helper = NetworkHelper()
fdb_entry = mock.MagicMock()
fdb_entry.modify = mock.MagicMock()
bigip = bigips[0]
bigip.tm.net.fdb.tunnels.tunnel.load = mock.MagicMock(
return_value=fdb_entry)
network_helper.delete_fdb_entries(bigip, fdb_entries=tunnel_records)
# expect to modify with no records (i.e, removing entry)
fdb_entry.modify.assert_called_with(records=None)
def test_network_helper_add_fdb_entries(self, l2_service, service, bigips):
# add first member fdb entry
loadbalancer = None
members = list()
member = service['members'][0]
network_id = member['network_id']
member['network'] = service['networks'][network_id]
members.append(member)
tunnel_records = l2_service.create_fdb_records(loadbalancer, members)
network_helper = NetworkHelper()
fdb_entry = mock.MagicMock()
fdb_entry.modify = mock.MagicMock()
bigip = bigips[0]
bigip.tm.net.fdb.tunnels.tunnel.load = mock.MagicMock(
return_value=fdb_entry)
network_helper.add_fdb_entries(bigip, fdb_entries=tunnel_records)
# expect to modify with first member's VTEP and MAC addr
fdb_entry.modify.assert_called_with(
records=[{'endpoint': '192.168.130.59',
'name': 'fa:16:3e:0d:fa:c8'}])
# add second member fdb entry
members = list()
member = service['members'][1]
network_id = member['network_id']
member['network'] = service['networks'][network_id]
members.append(member)
tunnel_records = l2_service.create_fdb_records(loadbalancer, members)
network_helper.add_fdb_entries(bigip, fdb_entries=tunnel_records)
# expect to modify with second member's VTEP and MAC addr
fdb_entry.modify.assert_called_with(
records=[{'endpoint': '192.168.130.60',
'name': 'fa:16:3e:0d:fa:c6'}])
def test_add_remove_fdbs(bigip, icontrol_driver):
""" Test simulating L2 pop events to add/remove fdb entries."""
net_helper = NetworkHelper()
tunnels = list()
fdb_entries = list()
seg_id_start = 167
seg_id_end = 176
n_records = 9
# create tunnels on BIG-IP, and fake fdb entries
for seg_id in range(seg_id_start, seg_id_end):
tunnel_name = 'tunnel-vxlan-{}'.format(seg_id)
model = {
'name': tunnel_name,
'key': seg_id,
'profile': 'vxlan_ovs',
'localAddress': '201.0.155.10'}
net_helper.create_multipoint_tunnel(bigip.bigip, model)
tunnels.append(tunnel_name)
# create a set of fdb entries that reference network seg ID
for _ in range(n_records):
entry = create_fdb_entry(seg_id)
fdb_entries.append(entry)
# add fdb entries
for fdb_entry in fdb_entries:
# mimic neutron L2 pop add_fdb_entries
icontrol_driver.fdb_add(fdb_entry)
for fdb_entry in fdb_entries:
# mimic neutron L2 pop add_fdb_entries
icontrol_driver.fdb_add(fdb_entry)
# check created
for tunnel_name in tunnels:
records = net_helper.get_fdb_entry(bigip.bigip, tunnel_name=tunnel_name)
assert records
# remove fdb entries
for fdb_entry in fdb_entries:
# mimic neutron L2 pop remove_fdb_entries
icontrol_driver.fdb_remove(fdb_entry)
# check removed
for tunnel_name in tunnels:
records = net_helper.get_fdb_entry(bigip.bigip, tunnel_name=tunnel_name)
assert not records
net_helper.delete_tunnel(bigip.bigip, tunnel_name)
def __init__(self, f5_global_routed_mode, conf, driver, l3_binding=None):
self.f5_global_routed_mode = f5_global_routed_mode
self.conf = conf
self.driver = driver
self.l3_binding = l3_binding
self.l2_service = L2ServiceBuilder(driver, f5_global_routed_mode)
self.bigip_selfip_manager = BigipSelfIpManager(
self.driver, self.l2_service, self.driver.l3_binding)
self.bigip_snat_manager = BigipSnatManager(
self.driver, self.l2_service, self.driver.l3_binding)
self.rds_cache = {}
self.interface_mapping = self.l2_service.interface_mapping
self.network_helper = NetworkHelper()
self.service_adapter = self.driver.service_adapter
def test_network_helper_add_fdb_entries(self, l2_service, service, bigips):
# add first member fdb entry
loadbalancer = None
members = list()
member = service['members'][0]
network_id = member['network_id']
member['network'] = service['networks'][network_id]
members.append(member)
tunnel_records = l2_service.create_fdb_records(loadbalancer, members)
network_helper = NetworkHelper()
fdb_entry = mock.MagicMock()
fdb_entry.modify = mock.MagicMock()
bigip = bigips[0]
bigip.tm.net.fdb.tunnels.tunnel.load = mock.MagicMock(
return_value=fdb_entry)
network_helper.add_fdb_entries(bigip, fdb_entries=tunnel_records)
# expect to modify with first member's VTEP and MAC addr
fdb_entry.modify.assert_called_with(
records=[{
'endpoint': '192.168.130.59',
'name': 'fa:16:3e:0d:fa:c8'
}])
# add second member fdb entry
members = list()
member = service['members'][1]
network_id = member['network_id']
member['network'] = service['networks'][network_id]
members.append(member)
tunnel_records = l2_service.create_fdb_records(loadbalancer, members)
network_helper.add_fdb_entries(bigip, fdb_entries=tunnel_records)
# expect to modify with second member's VTEP and MAC addr
fdb_entry.modify.assert_called_with(
records=[{
'endpoint': '192.168.130.60',
'name': 'fa:16:3e:0d:fa:c6'
}])
def network_helper(self, bigip):
nh = NetworkHelper()
nh.get_route_domain_by_id = mock.MagicMock(
return_value=bigip.tm.net.route_domains.route_domain)
return nh
class NetworkServiceBuilder(object):
def __init__(self, f5_global_routed_mode, conf, driver, l3_binding=None):
self.f5_global_routed_mode = f5_global_routed_mode
self.conf = conf
self.driver = driver
self.l3_binding = l3_binding
self.l2_service = L2ServiceBuilder(driver, f5_global_routed_mode)
self.bigip_selfip_manager = BigipSelfIpManager(self.driver,
self.l2_service,
self.driver.l3_binding)
self.bigip_snat_manager = BigipSnatManager(self.driver,
self.l2_service,
self.driver.l3_binding)
self.rds_cache = {}
self.interface_mapping = self.l2_service.interface_mapping
self.network_helper = NetworkHelper()
self.service_adapter = self.driver.service_adapter
def post_init(self):
# Run and Post Initialization Tasks """
# run any post initialized tasks, now that the agent
# is fully connected
self.l2_service.post_init()
def tunnel_sync(self, tunnel_ips):
self.l2_service.tunnel_sync(tunnel_ips)
def set_tunnel_rpc(self, tunnel_rpc):
# Provide FDB Connector with ML2 RPC access """
self.l2_service.set_tunnel_rpc(tunnel_rpc)
def set_l2pop_rpc(self, l2pop_rpc):
# Provide FDB Connector with ML2 RPC access """
self.l2_service.set_l2pop_rpc(l2pop_rpc)
def initialize_vcmp(self):
self.l2_service.initialize_vcmp_manager()
def initialize_tunneling(self):
# setup tunneling
vtep_folder = self.conf.f5_vtep_folder
vtep_selfip_name = self.conf.f5_vtep_selfip_name
local_ips = []
for bigip in self.driver.get_all_bigips():
if not vtep_folder or vtep_folder.lower() == 'none':
vtep_folder = 'Common'
if vtep_selfip_name and \
not vtep_selfip_name.lower() == 'none':
# profiles may already exist
# create vxlan_multipoint_profile`
self.network_helper.create_vxlan_multipoint_profile(
bigip, 'vxlan_ovs', partition='Common')
# create l2gre_multipoint_profile
self.network_helper.create_l2gre_multipoint_profile(
bigip, 'gre_ovs', partition='Common')
# find the IP address for the selfip for each box
local_ip = self.bigip_selfip_manager.get_selfip_addr(
bigip, vtep_selfip_name, partition=vtep_folder)
if local_ip:
bigip.local_ip = local_ip
local_ips.append(local_ip)
else:
raise f5_ex.MissingVTEPAddress(
'device %s missing vtep selfip %s' %
(bigip.device_name,
'/' + vtep_folder + '/' + vtep_selfip_name))
return local_ips
def prep_service_networking(self, service, traffic_group):
# Assure network connectivity is established on all bigips
if self.conf.f5_global_routed_mode or not service['loadbalancer']:
return
if self.conf.use_namespaces:
try:
LOG.debug("Annotating the service definition networks "
"with route domain ID.")
self._annotate_service_route_domains(service)
except Exception as err:
LOG.exception(err)
raise f5_ex.RouteDomainCreationException(
"Route domain annotation error")
# Per Device Network Connectivity (VLANs or Tunnels)
subnetsinfo = self._get_subnets_to_assure(service)
for (assure_bigip,
subnetinfo) in (itertools.product(self.driver.get_all_bigips(),
subnetsinfo)):
LOG.debug("Assuring per device network connectivity "
"for %s on subnet %s." %
(assure_bigip.hostname, subnetinfo['subnet']))
# Make sure the L2 network is established
self.l2_service.assure_bigip_network(assure_bigip,
subnetinfo['network'])
# Connect the BigIP device to network, by getting
# a self-ip address on the subnet.
self.bigip_selfip_manager.assure_bigip_selfip(
assure_bigip, service, subnetinfo)
# L3 Shared Config
assure_bigips = self.driver.get_config_bigips()
LOG.debug("Getting subnetinfo for ...")
LOG.debug(assure_bigips)
for subnetinfo in subnetsinfo:
if self.conf.f5_snat_addresses_per_subnet > 0:
self._assure_subnet_snats(assure_bigips, service, subnetinfo)
if subnetinfo['is_for_member'] and not self.conf.f5_snat_mode:
try:
self._allocate_gw_addr(subnetinfo)
except KeyError as err:
raise f5_ex.VirtualServerCreationException(err.message)
for assure_bigip in assure_bigips:
# If we are not using SNATS, attempt to become
# the subnet's default gateway.
self.bigip_selfip_manager.assure_gateway_on_subnet(
assure_bigip, subnetinfo, traffic_group)
def _annotate_service_route_domains(self, service):
# Add route domain notation to pool member and vip addresses.
LOG.debug("Service before route domains: %s" % service)
tenant_id = service['loadbalancer']['tenant_id']
self.update_rds_cache(tenant_id)
if 'members' in service:
for member in service['members']:
if 'address' in member:
LOG.debug("processing member %s" % member['address'])
if 'network_id' in member and member['network_id']:
member_network = (
self.service_adapter.get_network_from_service(
service, member['network_id']))
member_subnet = (
self.service_adapter.get_subnet_from_service(
service, member['subnet_id']))
if member_network:
self.assign_route_domain(tenant_id, member_network,
member_subnet)
rd_id = ('%' +
str(member_network['route_domain_id']))
member['address'] += rd_id
else:
member['address'] += '%0'
if 'vip_address' in service['loadbalancer']:
loadbalancer = service['loadbalancer']
if 'network_id' in loadbalancer:
lb_network = self.service_adapter.get_network_from_service(
service, loadbalancer['network_id'])
vip_subnet = self.service_adapter.get_subnet_from_service(
service, loadbalancer['vip_subnet_id'])
self.assign_route_domain(tenant_id, lb_network, vip_subnet)
rd_id = '%' + str(lb_network['route_domain_id'])
service['loadbalancer']['vip_address'] += rd_id
else:
service['loadbalancer']['vip_address'] += '%0'
LOG.debug("Service after route domains: %s" % service)
def assign_route_domain(self, tenant_id, network, subnet):
# Assign route domain for a network
if self.l2_service.is_common_network(network):
network['route_domain_id'] = 0
return
LOG.debug("assign route domain get from cache %s" % network)
route_domain_id = self.get_route_domain_from_cache(network)
if route_domain_id is not None:
network['route_domain_id'] = route_domain_id
return
LOG.debug("max namespaces: %s" % self.conf.max_namespaces_per_tenant)
LOG.debug("max namespaces == 1: %s" %
(self.conf.max_namespaces_per_tenant == 1))
if self.conf.max_namespaces_per_tenant == 1:
bigip = self.driver.get_bigip()
LOG.debug("bigip before get_domain: %s" % bigip)
partition_id = self.service_adapter.get_folder_name(tenant_id)
tenant_rd = self.network_helper.get_route_domain(
bigip, partition=partition_id)
network['route_domain_id'] = tenant_rd.id
return
LOG.debug("assign route domain checking for available route domain")
# need new route domain ?
check_cidr = netaddr.IPNetwork(subnet['cidr'])
placed_route_domain_id = None
for route_domain_id in self.rds_cache[tenant_id]:
LOG.debug("checking rd %s" % route_domain_id)
rd_entry = self.rds_cache[tenant_id][route_domain_id]
overlapping_subnet = None
for net_shortname in rd_entry:
LOG.debug("checking net %s" % net_shortname)
net_entry = rd_entry[net_shortname]
for exist_subnet_id in net_entry['subnets']:
if exist_subnet_id == subnet['id']:
continue
exist_subnet = net_entry['subnets'][exist_subnet_id]
exist_cidr = exist_subnet['cidr']
if check_cidr in exist_cidr or exist_cidr in check_cidr:
overlapping_subnet = exist_subnet
LOG.debug(
'rd %s: overlaps with subnet %s id: %s' %
((route_domain_id, exist_subnet, exist_subnet_id)))
break
if overlapping_subnet:
# no need to keep looking
break
if not overlapping_subnet:
placed_route_domain_id = route_domain_id
break
if placed_route_domain_id is None:
if (len(self.rds_cache[tenant_id]) <
self.conf.max_namespaces_per_tenant):
placed_route_domain_id = self._create_aux_rd(tenant_id)
self.rds_cache[tenant_id][placed_route_domain_id] = {}
LOG.debug("Tenant %s now has %d route domains" %
(tenant_id, len(self.rds_cache[tenant_id])))
else:
raise Exception("Cannot allocate route domain")
LOG.debug("Placed in route domain %s" % placed_route_domain_id)
rd_entry = self.rds_cache[tenant_id][placed_route_domain_id]
net_short_name = self.get_neutron_net_short_name(network)
if net_short_name not in rd_entry:
rd_entry[net_short_name] = {'subnets': {}}
net_subnets = rd_entry[net_short_name]['subnets']
net_subnets[subnet['id']] = {'cidr': check_cidr}
network['route_domain_id'] = placed_route_domain_id
def _create_aux_rd(self, tenant_id):
# Create a new route domain
route_domain_id = None
for bigip in self.driver.get_all_bigips():
partition_id = self.service_adapter.get_folder_name(tenant_id)
bigip_route_domain_id = self.network_helper.create_route_domain(
bigip,
partition=partition_id,
strictness=self.conf.f5_route_domain_strictness,
is_aux=True)
if route_domain_id is None:
route_domain_id = bigip_route_domain_id.id
elif bigip_route_domain_id.id != route_domain_id:
# FixME error
LOG.debug(
"Bigips allocated two different route domains!: %s %s" %
(bigip_route_domain_id, route_domain_id))
LOG.debug("Allocated route domain %s for tenant %s" %
(route_domain_id, tenant_id))
return route_domain_id
# The purpose of the route domain subnet cache is to
# determine whether there is an existing bigip
# subnet that conflicts with a new one being
# assigned to the route domain.
"""
# route domain subnet cache
rds_cache =
{'<tenant_id>': {
{'0': {
'<network type>-<segmentation id>': [
'subnets': [
'<subnet id>': {
'cidr': '<cidr>'
}
],
'1': {}}}}
"""
def update_rds_cache(self, tenant_id):
# Update the route domain cache from bigips
if tenant_id not in self.rds_cache:
LOG.debug("rds_cache: adding tenant %s" % tenant_id)
self.rds_cache[tenant_id] = {}
for bigip in self.driver.get_all_bigips():
self.update_rds_cache_bigip(tenant_id, bigip)
LOG.debug("rds_cache updated: " + str(self.rds_cache))
def update_rds_cache_bigip(self, tenant_id, bigip):
# Update the route domain cache for this tenant
# with information from bigip's vlan and tunnels
LOG.debug("rds_cache: processing bigip %s" % bigip.device_name)
route_domain_ids = self.network_helper.get_route_domain_ids(
bigip, partition=self.service_adapter.get_folder_name(tenant_id))
# LOG.debug("rds_cache: got bigip route domains: %s" % route_domains)
for route_domain_id in route_domain_ids:
self.update_rds_cache_bigip_rd_vlans(tenant_id, bigip,
route_domain_id)
def update_rds_cache_bigip_rd_vlans(self, tenant_id, bigip,
route_domain_id):
# Update the route domain cache with information
# from the bigip vlans and tunnels from
# this route domain
LOG.debug("rds_cache: processing bigip %s rd %s" %
(bigip.device_name, route_domain_id))
# this gets tunnels too
partition_id = self.service_adapter.get_folder_name(tenant_id)
rd_vlans = self.network_helper.get_vlans_in_route_domain_by_id(
bigip, partition=partition_id, id=route_domain_id)
LOG.debug("rds_cache: bigip %s rd %s vlans: %s" %
(bigip.device_name, route_domain_id, rd_vlans))
if len(rd_vlans) == 0:
LOG.debug("No vlans found for route domain: %d" %
(route_domain_id))
return
# make sure this rd has a cache entry
tenant_entry = self.rds_cache[tenant_id]
if route_domain_id not in tenant_entry:
tenant_entry[route_domain_id] = {}
# for every VLAN or TUNNEL on this bigip...
for rd_vlan in rd_vlans:
self.update_rds_cache_bigip_vlan(tenant_id, bigip, route_domain_id,
rd_vlan)
def update_rds_cache_bigip_vlan(self, tenant_id, bigip, route_domain_id,
rd_vlan):
# Update the route domain cache with information
# from the bigip vlan or tunnel
LOG.debug("rds_cache: processing bigip %s rd %d vlan %s" %
(bigip.device_name, route_domain_id, rd_vlan))
net_short_name = self.get_bigip_net_short_name(bigip, tenant_id,
rd_vlan)
# make sure this net has a cache entry
tenant_entry = self.rds_cache[tenant_id]
rd_entry = tenant_entry[route_domain_id]
if net_short_name not in rd_entry:
rd_entry[net_short_name] = {'subnets': {}}
net_subnets = rd_entry[net_short_name]['subnets']
partition_id = self.service_adapter.get_folder_name(tenant_id)
LOG.debug("Calling get_selfips with: partition %s and vlan_name %s",
partition_id, rd_vlan)
selfips = self.bigip_selfip_manager.get_selfips(bigip,
partition=partition_id,
vlan_name=rd_vlan)
LOG.debug("rds_cache: got selfips")
for selfip in selfips:
LOG.debug(
"rds_cache: processing bigip %s rd %s vlan %s self %s" %
(bigip.device_name, route_domain_id, rd_vlan, selfip.name))
if bigip.device_name not in selfip.name:
LOG.error(
"rds_cache: Found unexpected selfip %s for tenant %s" %
(selfip.name, tenant_id))
continue
subnet_id = selfip.name.split(bigip.device_name + '-')[1]
# convert 10.1.1.1%1/24 to 10.1.1.1/24
(addr, netbits) = selfip.address.split('/')
addr = addr.split('%')[0]
selfip.address = addr + '/' + netbits
# selfip addresses will have slash notation: 10.1.1.1/24
netip = netaddr.IPNetwork(selfip.address)
LOG.debug("rds_cache: updating subnet %s with %s" %
(subnet_id, str(netip.cidr)))
net_subnets[subnet_id] = {'cidr': netip.cidr}
LOG.debug("rds_cache: now %s" % self.rds_cache)
def get_route_domain_from_cache(self, network):
# Get route domain from cache by network
net_short_name = self.get_neutron_net_short_name(network)
for tenant_id in self.rds_cache:
tenant_cache = self.rds_cache[tenant_id]
for route_domain_id in tenant_cache:
if net_short_name in tenant_cache[route_domain_id]:
return route_domain_id
def remove_from_rds_cache(self, network, subnet):
# Get route domain from cache by network
LOG.debug("remove_from_rds_cache")
net_short_name = self.get_neutron_net_short_name(network)
for tenant_id in self.rds_cache:
LOG.debug("rds_cache: processing remove for %s" % tenant_id)
deleted_rds = []
tenant_cache = self.rds_cache[tenant_id]
for route_domain_id in tenant_cache:
if net_short_name in tenant_cache[route_domain_id]:
net_entry = tenant_cache[route_domain_id][net_short_name]
if subnet['id'] in net_entry['subnets']:
del net_entry['subnets'][subnet['id']]
if len(net_entry['subnets']) == 0:
del net_entry['subnets']
if len(tenant_cache[route_domain_id][net_short_name]) == 0:
del tenant_cache[route_domain_id][net_short_name]
if len(self.rds_cache[tenant_id][route_domain_id]) == 0:
deleted_rds.append(route_domain_id)
for rd in deleted_rds:
LOG.debug("removing route domain %d from tenant %s" %
(rd, tenant_id))
del self.rds_cache[tenant_id][rd]
def get_bigip_net_short_name(self, bigip, tenant_id, network_name):
# Return <network_type>-<seg_id> for bigip network
LOG.debug("get_bigip_net_short_name: %s:%s" %
(tenant_id, network_name))
partition_id = self.service_adapter.get_folder_name(tenant_id)
LOG.debug("network_name %s", network_name.split('/'))
network_name = network_name.split("/")[-1]
if 'tunnel-gre-' in network_name:
tunnel_key = self.network_helper.get_tunnel_key(
bigip, network_name, partition=partition_id)
return 'gre-%s' % tunnel_key
elif 'tunnel-vxlan-' in network_name:
LOG.debug("Getting tunnel key for VXLAN: %s", network_name)
tunnel_key = self.network_helper.get_tunnel_key(
bigip, network_name, partition=partition_id)
return 'vxlan-%s' % tunnel_key
else:
LOG.debug("Getting tunnel key for VLAN: %s", network_name)
vlan_id = self.network_helper.get_vlan_id(bigip,
name=network_name,
partition=partition_id)
return 'vlan-%s' % vlan_id
@staticmethod
def get_neutron_net_short_name(network):
# Return <network_type>-<seg_id> for neutron network
net_type = network['provider:network_type']
net_seg_key = network['provider:segmentation_id']
return net_type + '-' + str(net_seg_key)
def _assure_subnet_snats(self, assure_bigips, service, subnetinfo):
# Ensure snat for subnet exists on bigips
tenant_id = service['loadbalancer']['tenant_id']
subnet = subnetinfo['subnet']
snats_per_subnet = self.conf.f5_snat_addresses_per_subnet
assure_bigips = \
[bigip for bigip in assure_bigips
if tenant_id not in bigip.assured_tenant_snat_subnets or
subnet['id'] not in
bigip.assured_tenant_snat_subnets[tenant_id]]
LOG.debug("_assure_subnet_snats: getting snat addrs for: %s" %
subnet['id'])
if len(assure_bigips):
snat_addrs = self.bigip_snat_manager.get_snat_addrs(
subnetinfo, tenant_id, snats_per_subnet)
if len(snat_addrs) != snats_per_subnet:
raise f5_ex.SNAT_CreationException(
"Unable to satisfy request to allocate %d "
"snats. Actual SNAT count: %d SNATs" %
(snats_per_subnet, len(snat_addrs)))
for assure_bigip in assure_bigips:
self.bigip_snat_manager.assure_bigip_snats(
assure_bigip, subnetinfo, snat_addrs, tenant_id)
def _allocate_gw_addr(self, subnetinfo):
# Create a name for the port and for the IP Forwarding
# Virtual Server as well as the floating Self IP which
# will answer ARP for the members
need_port_for_gateway = False
network = subnetinfo['network']
subnet = subnetinfo['subnet']
if not network or not subnet:
LOG.error('Attempted to create default gateway'
' for network with no id...skipping.')
return
if not subnet['gateway_ip']:
raise KeyError("attempting to create gateway on subnet without "
"gateway ip address specified.")
gw_name = "gw-" + subnet['id']
ports = self.driver.plugin_rpc.get_port_by_name(port_name=gw_name)
if len(ports) < 1:
need_port_for_gateway = True
# There was no port on this agent's host, so get one from Neutron
if need_port_for_gateway:
try:
rpc = self.driver.plugin_rpc
new_port = rpc.create_port_on_subnet_with_specific_ip(
subnet_id=subnet['id'],
mac_address=None,
name=gw_name,
ip_address=subnet['gateway_ip'])
LOG.info('gateway IP for subnet %s will be port %s' %
(subnet['id'], new_port['id']))
except Exception as exc:
ermsg = 'Invalid default gateway for subnet %s:%s - %s.' \
% (subnet['id'],
subnet['gateway_ip'],
exc.message)
ermsg += " SNAT will not function and load balancing"
ermsg += " support will likely fail. Enable f5_snat_mode."
LOG.exception(ermsg)
return True
def post_service_networking(self, service, all_subnet_hints):
# Assure networks are deleted from big-ips
if self.conf.f5_global_routed_mode:
return
# L2toL3 networking layer
# Non Shared Config - Local Per BIG-IP
self.update_bigip_l2(service)
# Delete shared config objects
deleted_names = set()
for bigip in self.driver.get_config_bigips():
LOG.debug('post_service_networking: calling '
'_assure_delete_networks del nets sh for bigip %s %s' %
(bigip.device_name, all_subnet_hints))
subnet_hints = all_subnet_hints[bigip.device_name]
deleted_names = deleted_names.union(
self._assure_delete_nets_shared(bigip, service, subnet_hints))
# Delete non shared config objects
for bigip in self.driver.get_all_bigips():
LOG.debug(' post_service_networking: calling '
' _assure_delete_networks del nets ns for bigip %s' %
bigip.device_name)
subnet_hints = all_subnet_hints[bigip.device_name]
deleted_names = deleted_names.union(
self._assure_delete_nets_nonshared(bigip, service,
subnet_hints))
for port_name in deleted_names:
LOG.debug(' post_service_networking: calling '
' del port %s' % port_name)
self.driver.plugin_rpc.delete_port_by_name(port_name=port_name)
def update_bigip_l2(self, service):
# Update fdb entries on bigip
loadbalancer = service['loadbalancer']
service_adapter = self.service_adapter
for bigip in self.driver.get_all_bigips():
for member in service['members']:
LOG.debug("update_bigip_l2 update service members")
member['network'] = service_adapter.get_network_from_service(
service, member['network_id'])
member_status = member['provisioning_status']
if member_status == plugin_const.PENDING_DELETE:
self.delete_bigip_member_l2(bigip, loadbalancer, member)
else:
self.update_bigip_member_l2(bigip, loadbalancer, member)
if "network_id" not in loadbalancer:
LOG.error("update_bigip_l2, expected network ID")
return
LOG.debug("update_bigip_l2 get network for ID %s" %
loadbalancer["network_id"])
loadbalancer['network'] = service_adapter.get_network_from_service(
service, loadbalancer['network_id'])
lb_status = loadbalancer['provisioning_status']
if lb_status == plugin_const.PENDING_DELETE:
self.delete_bigip_vip_l2(bigip, loadbalancer)
else:
LOG.debug("update_bigip_l2 calling update_bigip_vip_l2")
self.update_bigip_vip_l2(bigip, loadbalancer)
LOG.debug("update_bigip_l2 complete")
def update_bigip_member_l2(self, bigip, loadbalancer, member):
# update pool member l2 records
network = member['network']
if network:
if self.l2_service.is_common_network(network):
net_folder = 'Common'
else:
net_folder = self.service_adapter.get_folder_name(
loadbalancer['tenant_id'])
fdb_info = {
'network': network,
'ip_address': member['address'],
'mac_address': member['port']['mac_address']
}
self.l2_service.add_bigip_fdbs(bigip, net_folder, fdb_info, member)
def delete_bigip_member_l2(self, bigip, loadbalancer, member):
# Delete pool member l2 records
network = member['network']
if network:
if 'port' in member:
if self.l2_service.is_common_network(network):
net_folder = 'Common'
else:
net_folder = self.service_adapter.get_folder_name(
loadbalancer['tenant_id'])
fdb_info = {
'network': network,
'ip_address': member['address'],
'mac_address': member['port']['mac_address']
}
self.l2_service.delete_bigip_fdbs(bigip, net_folder, fdb_info,
member)
else:
LOG.error('Member on SDN has no port. Manual '
'removal on the BIG-IP will be '
'required. Was the vm instance '
'deleted before the pool member '
'was deleted?')
def update_bigip_vip_l2(self, bigip, loadbalancer):
# Update vip l2 records
network = loadbalancer['network']
if network:
if self.l2_service.is_common_network(network):
net_folder = 'Common'
else:
net_folder = self.service_adapter.get_folder_name(
loadbalancer['tenant_id'])
fdb_info = {
'network': network,
'ip_address': None,
'mac_address': None
}
self.l2_service.add_bigip_fdbs(bigip, net_folder, fdb_info,
loadbalancer)
def delete_bigip_vip_l2(self, bigip, loadbalancer):
# Delete loadbalancer l2 records
network = loadbalancer['network']
if network:
if self.l2_service.is_common_network(network):
net_folder = 'Common'
else:
net_folder = self.service_adapter.get_folder_name(
loadbalancer['tenant_id'])
fdb_info = {
'network': network,
'ip_address': None,
'mac_address': None
}
self.l2_service.delete_bigip_fdbs(bigip, net_folder, fdb_info,
loadbalancer)
def _assure_delete_nets_shared(self, bigip, service, subnet_hints):
# Assure shared configuration (which syncs) is deleted
deleted_names = set()
tenant_id = service['loadbalancer']['tenant_id']
delete_gateway = self.bigip_selfip_manager.delete_gateway_on_subnet
for subnetinfo in self._get_subnets_to_delete(bigip, service,
subnet_hints):
try:
if not self.conf.f5_snat_mode:
gw_name = delete_gateway(bigip, subnetinfo)
deleted_names.add(gw_name)
my_deleted_names, my_in_use_subnets = \
self.bigip_snat_manager.delete_bigip_snats(
bigip, subnetinfo, tenant_id)
deleted_names = deleted_names.union(my_deleted_names)
for in_use_subnetid in my_in_use_subnets:
subnet_hints['check_for_delete_subnets'].pop(
in_use_subnetid, None)
except NeutronException as exc:
LOG.error("assure_delete_nets_shared: exception: %s" %
str(exc.msg))
except Exception as exc:
LOG.error("assure_delete_nets_shared: exception: %s" %
str(exc.message))
return deleted_names
def _assure_delete_nets_nonshared(self, bigip, service, subnet_hints):
# Delete non shared base objects for networks
deleted_names = set()
for subnetinfo in self._get_subnets_to_delete(bigip, service,
subnet_hints):
try:
network = subnetinfo['network']
if self.l2_service.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.service_adapter.get_folder_name(
service['loadbalancer']['tenant_id'])
subnet = subnetinfo['subnet']
if self.conf.f5_populate_static_arp:
self.network_helper.arp_delete_by_subnet(
bigip,
subnet=subnet['cidr'],
mask=None,
partition=network_folder)
local_selfip_name = "local-" + bigip.device_name + \
"-" + subnet['id']
selfip_address = self.bigip_selfip_manager.get_selfip_addr(
bigip, local_selfip_name, partition=network_folder)
if not selfip_address:
LOG.error("Failed to get self IP address %s in cleanup.",
local_selfip_name)
self.bigip_selfip_manager.delete_selfip(
bigip, local_selfip_name, partition=network_folder)
if self.l3_binding and selfip_address:
self.l3_binding.unbind_address(subnet_id=subnet['id'],
ip_address=selfip_address)
deleted_names.add(local_selfip_name)
self.l2_service.delete_bigip_network(bigip, network)
if subnet['id'] not in subnet_hints['do_not_delete_subnets']:
subnet_hints['do_not_delete_subnets'].append(subnet['id'])
self.remove_from_rds_cache(network, subnet)
tenant_id = service['loadbalancer']['tenant_id']
if tenant_id in bigip.assured_tenant_snat_subnets:
tenant_snat_subnets = \
bigip.assured_tenant_snat_subnets[tenant_id]
if subnet['id'] in tenant_snat_subnets:
tenant_snat_subnets.remove(subnet['id'])
except NeutronException as exc:
LOG.error("assure_delete_nets_nonshared: exception: %s" %
str(exc.msg))
except Exception as exc:
LOG.error("assure_delete_nets_nonshared: exception: %s" %
str(exc.message))
return deleted_names
def _get_subnets_to_delete(self, bigip, service, subnet_hints):
# Clean up any Self IP, SNATs, networks, and folder for
# services items that we deleted.
subnets_to_delete = []
for subnetinfo in subnet_hints['check_for_delete_subnets'].values():
subnet = self.service_adapter.get_subnet_from_service(
service, subnetinfo['subnet_id'])
subnetinfo['subnet'] = subnet
network = self.service_adapter.get_network_from_service(
service, subnetinfo['network_id'])
subnetinfo['network'] = network
route_domain = network['route_domain_id']
if not subnet:
continue
if not self._ips_exist_on_subnet(bigip, service, subnet,
route_domain):
subnets_to_delete.append(subnetinfo)
return subnets_to_delete
def _ips_exist_on_subnet(self, bigip, service, subnet, route_domain):
# Does the big-ip have any IP addresses on this subnet?
LOG.debug("_ips_exist_on_subnet entry %s rd %s" %
(str(subnet['cidr']), route_domain))
route_domain = str(route_domain)
ipsubnet = netaddr.IPNetwork(subnet['cidr'])
# Are there any virtual addresses on this subnet?
folder = self.service_adapter.get_folder_name(
service['loadbalancer']['tenant_id'])
virtual_services = self.network_helper.get_virtual_service_insertion(
bigip, partition=folder)
for virt_serv in virtual_services:
(_, dest) = virt_serv.items()[0]
LOG.debug(" _ips_exist_on_subnet: checking vip %s" %
str(dest['address']))
if len(dest['address'].split('%')) > 1:
vip_route_domain = dest['address'].split('%')[1]
else:
vip_route_domain = '0'
if vip_route_domain != route_domain:
continue
vip_addr = strip_domain_address(dest['address'])
if netaddr.IPAddress(vip_addr) in ipsubnet:
LOG.debug(" _ips_exist_on_subnet: found")
return True
# If there aren't any virtual addresses, are there
# node addresses on this subnet?
nodes = self.network_helper.get_node_addresses(bigip, partition=folder)
for node in nodes:
LOG.debug(" _ips_exist_on_subnet: checking node %s" %
str(node))
if len(node.split('%')) > 1:
node_route_domain = node.split('%')[1]
else:
node_route_domain = '0'
if node_route_domain != route_domain:
continue
node_addr = strip_domain_address(node)
if netaddr.IPAddress(node_addr) in ipsubnet:
LOG.debug(" _ips_exist_on_subnet: found")
return True
LOG.debug(" _ips_exist_on_subnet exit %s" %
str(subnet['cidr']))
# nothing found
return False
def add_bigip_fdb(self, bigip, fdb):
self.l2_service.add_bigip_fdb(bigip, fdb)
def remove_bigip_fdb(self, bigip, fdb):
self.l2_service.remove_bigip_fdb(bigip, fdb)
def update_bigip_fdb(self, bigip, fdb):
self.l2_service.update_bigip_fdb(bigip, fdb)
def set_context(self, context):
self.l2_service.set_context(context)
def vlan_exists(self, network, folder='Common'):
return False
def _get_subnets_to_assure(self, service):
# Examine service and return active networks
networks = dict()
loadbalancer = service['loadbalancer']
service_adapter = self.service_adapter
lb_status = loadbalancer['provisioning_status']
if lb_status != plugin_const.PENDING_DELETE:
if 'network_id' in loadbalancer:
network = service_adapter.get_network_from_service(
service, loadbalancer['network_id'])
subnet = service_adapter.get_subnet_from_service(
service, loadbalancer['vip_subnet_id'])
networks[network['id']] = {
'network': network,
'subnet': subnet,
'is_for_member': False
}
for member in service['members']:
if member['provisioning_status'] != plugin_const.PENDING_DELETE:
if 'network_id' in member:
network = service_adapter.get_network_from_service(
service, member['network_id'])
subnet = service_adapter.get_subnet_from_service(
service, member['subnet_id'])
networks[network['id']] = {
'network': network,
'subnet': subnet,
'is_for_member': True
}
return networks.values()
class BigipSnatManager(object):
def __init__(self, driver, l2_service, l3_binding):
self.driver = driver
self.l2_service = l2_service
self.l3_binding = l3_binding
self.snatpool_manager = BigIPResourceHelper(ResourceType.snatpool)
self.snat_translation_manager = BigIPResourceHelper(
ResourceType.snat_translation)
self.network_helper = NetworkHelper()
def _get_snat_name(self, subnet, tenant_id):
# Get the snat name based on HA type
if self.driver.conf.f5_ha_type == 'standalone':
return 'snat-traffic-group-local-only-' + subnet['id']
elif self.driver.conf.f5_ha_type == 'pair':
# REVISIT(RJB): should this name have a hyphen before subnetid
return 'snat-traffic-group-1' + subnet['id']
elif self.driver.conf.f5_ha_type == 'scalen':
traffic_group = self.driver.tenant_to_traffic_group(tenant_id)
base_traffic_group = os.path.basename(traffic_group)
return 'snat-' + base_traffic_group + '-' + subnet['id']
LOG.error('Invalid f5_ha_type:%s' % self.driver.conf.f5_ha_type)
return ''
def _get_snat_traffic_group(self, tenant_id):
# Get the snat name based on HA type """
if self.driver.conf.f5_ha_type == 'standalone':
return 'traffic-group-local-only'
elif self.driver.conf.f5_ha_type == 'pair':
return 'traffic-group-1'
elif self.driver.conf.f5_ha_type == 'scalen':
traffic_group = self.driver.tenant_to_traffic_group(tenant_id)
return os.path.basename(traffic_group)
# If this is an error shouldn't we raise?
LOG.error('Invalid f5_ha_type:%s' % self.driver.conf.f5_ha_type)
return ''
def get_snat_addrs(self, subnetinfo, tenant_id):
# Get the ip addresses for snat """
subnet = subnetinfo['subnet']
snat_addrs = []
snat_name = self._get_snat_name(subnet, tenant_id)
for i in range(self.driver.conf.f5_snat_addresses_per_subnet):
index_snat_name = snat_name + "_" + str(i)
ports = self.driver.plugin_rpc.get_port_by_name(
port_name=index_snat_name)
if len(ports) > 0:
first_port = ports[0]
first_fixed_ip = first_port['fixed_ips'][0]
ip_address = first_fixed_ip['ip_address']
else:
new_port = self.driver.plugin_rpc.create_port_on_subnet(
subnet_id=subnet['id'],
mac_address=None,
name=index_snat_name,
fixed_address_count=1)
ip_address = new_port['fixed_ips'][0]['ip_address']
snat_addrs.append(ip_address)
return snat_addrs
def assure_bigip_snats(self, bigip, subnetinfo, snat_addrs, tenant_id):
# Ensure Snat Addresses are configured on a bigip.
# Called for every bigip only in replication mode.
# otherwise called once and synced.
network = subnetinfo['network']
snat_info = {}
if self.l2_service.is_common_network(network):
snat_info['network_folder'] = 'Common'
else:
snat_info['network_folder'] = (
self.driver.service_adapter.get_folder_name(tenant_id)
)
snat_info['pool_name'] = self.driver.service_adapter.get_folder_name(
tenant_id
)
snat_info['pool_folder'] = self.driver.service_adapter.get_folder_name(
tenant_id
)
snat_info['addrs'] = snat_addrs
self._assure_bigip_snats(bigip, subnetinfo, snat_info, tenant_id)
def _assure_bigip_snats(self, bigip, subnetinfo, snat_info, tenant_id):
# Configure the ip addresses for snat
network = subnetinfo['network']
subnet = subnetinfo['subnet']
LOG.debug("_assure_bigip_snats")
if tenant_id not in bigip.assured_tenant_snat_subnets:
bigip.assured_tenant_snat_subnets[tenant_id] = []
if subnet['id'] in bigip.assured_tenant_snat_subnets[tenant_id]:
return
snat_name = self._get_snat_name(subnet, tenant_id)
for i in range(self.driver.conf.f5_snat_addresses_per_subnet):
ip_address = snat_info['addrs'][i] + \
'%' + str(network['route_domain_id'])
index_snat_name = snat_name + "_" + str(i)
if self.l2_service.is_common_network(network):
index_snat_name = '/Common/' + index_snat_name
snat_traffic_group = self._get_snat_traffic_group(tenant_id)
# snat.create() did the following in LBaaSv1
# Creates the SNAT
# * if the traffic_group is empty it uses a const
# but this seems like it should be an error see message
# in this file about this
# Create a SNAT Pool if a name was passed in
# * Add the snat to the list of members
model = {
"name": index_snat_name,
"partition": snat_info['network_folder'],
"address": ip_address,
"trafficGroup": snat_traffic_group
}
if not self.snat_translation_manager.exists(
bigip,
name=index_snat_name,
partition=snat_info['network_folder']):
LOG.debug("Calling SNAT translation manager CREATE.")
self.snat_translation_manager.create(bigip, model)
else:
LOG.debug("SNAT translation_manager LOAD")
self.snat_translation_manager.load(
bigip,
name=index_snat_name,
partition=snat_info['network_folder'])
model = {
"name": index_snat_name,
"partition": snat_info['pool_folder'],
}
model["members"] = ['/' + model["partition"] + '/' +
index_snat_name]
try:
LOG.debug("Calling SNAT pool create: %s" % model)
self.snatpool_manager.create(bigip, model)
LOG.debug("SNAT pool created: %s" % model)
except HTTPError as err:
LOG.error("Create SNAT pool failed %s" % err.message)
if err.response.status_code == 409:
try:
snatpool = self.snatpool_manager.load(
bigip,
name=model["name"],
partition=model["partition"]
)
snatpool.members.append(model["members"])
snatpool.update()
except HTTPError as err:
LOG.error("Update SNAT pool failed %s" % err.message)
if self.l3_binding:
self.l3_binding.bind_address(subnet_id=subnet['id'],
ip_address=ip_address)
bigip.assured_tenant_snat_subnets[tenant_id].append(subnet['id'])
def delete_bigip_snats(self, bigip, subnetinfo, tenant_id):
# Assure shared snat configuration (which syncs) is deleted.
#
if not subnetinfo['network']:
LOG.error('Attempted to delete selfip and snats '
'for missing network ... skipping.')
return set()
return self._delete_bigip_snats(bigip, subnetinfo, tenant_id)
def _remove_assured_tenant_snat_subnet(self, bigip, tenant_id, subnet):
# Remove ref for the subnet for this tenant"""
if tenant_id in bigip.assured_tenant_snat_subnets:
tenant_snat_subnets = \
bigip.assured_tenant_snat_subnets[tenant_id]
if tenant_snat_subnets and subnet['id'] in tenant_snat_subnets:
LOG.debug(
'Remove subnet id %s from '
'bigip.assured_tenant_snat_subnets for tenant %s' %
(subnet['id'], tenant_id))
tenant_snat_subnets.remove(subnet['id'])
else:
LOG.debug(
'Subnet id %s does not exist in '
'bigip.assured_tenant_snat_subnets for tenant %s' %
(subnet['id'], tenant_id))
else:
LOG.debug(
'Tenant id %s does not exist in '
'bigip.assured_tenant_snat_subnets' % tenant_id)
def _delete_bigip_snats(self, bigip, subnetinfo, tenant_id):
# Assure snats deleted in standalone mode """
network = subnetinfo['network']
subnet = subnetinfo['subnet']
partition = self.driver.service_adapter.get_folder_name(tenant_id)
deleted_names = set()
in_use_subnets = set()
# Delete SNATs on traffic-group-local-only
snat_name = self._get_snat_name(subnet, tenant_id)
for i in range(self.driver.conf.f5_snat_addresses_per_subnet):
index_snat_name = snat_name + "_" + str(i)
if self.l2_service.is_common_network(network):
tmos_snat_name = '/Common/' + index_snat_name
else:
tmos_snat_name = index_snat_name
if self.l3_binding:
try:
snat_xlate = self.snat_translation_manager.load(
bigip, name=index_snat_name, partition=partition)
self.l3_binding.unbind_address(
subnet_id=subnet['id'], ip_address=snat_xlate.address)
except HTTPError as err:
LOG.error("Load SNAT xlate failed %s" % err.message)
# Remove translation address from tenant snat pool
# This seems strange that name and partition are tenant_id
# but that is what the v1 code was doing.
# The v1 code was also comparing basename in some cases
# which seems dangerous because the folder may be in play?
#
# Revised (jl): It appears that v2 SNATs are created with a
# name, not tenant_id, so we need to load SNAT by name.
LOG.debug('Remove translation address from tenant SNAT pool')
try:
snatpool = self.snatpool_manager.load(bigip,
index_snat_name,
partition)
snatpool.members = [
member for member in snatpool.members
if os.path.basename(member) != tmos_snat_name
]
# Delete snat pool if empty (no members)
# In LBaaSv1 the snat.remove_from_pool() method did this if
# there was only one member and it matched the one we were
# deleting making this call basically useless, but the
# code above makes this still necessary and probably what the
# original authors intended anyway since there is logging here
# but not in the snat.py module from LBaaSv1
LOG.debug('Check if snat pool is empty')
if not snatpool.members:
LOG.debug('Snat pool is empty - delete snatpool')
try:
snatpool.delete()
except HTTPError as err:
LOG.error("Delete SNAT pool failed %s" % err.message)
else:
LOG.debug('Snat pool is not empty - update snatpool')
try:
snatpool.update()
except HTTPError as err:
LOG.error("Update SNAT pool failed %s" % err.message)
except HTTPError as err:
LOG.error("Failed to load SNAT pool %s" % err.message)
# Check if subnet in use by any tenants/snatpools. If in use,
# add subnet to hints list of subnets in use.
self._remove_assured_tenant_snat_subnet(bigip, tenant_id, subnet)
LOG.debug(
'Check cache for subnet %s in use by other tenant' %
subnet['id'])
in_use_count = 0
for loop_tenant_id in bigip.assured_tenant_snat_subnets:
tenant_snat_subnets = \
bigip.assured_tenant_snat_subnets[loop_tenant_id]
if subnet['id'] in tenant_snat_subnets:
LOG.debug(
'Subnet %s in use (tenant %s)' %
(subnet['id'], loop_tenant_id))
in_use_count += 1
if in_use_count:
in_use_subnets.add(subnet['id'])
else:
LOG.debug('Check subnet in use by any tenant')
member_use_count = \
self.network_helper.get_snatpool_member_use_count(
bigip, subnet['id'])
if member_use_count:
LOG.debug('Subnet in use - do not delete')
in_use_subnets.add(subnet['id'])
else:
LOG.debug('Subnet not in use - delete')
# Check if trans addr in use by any snatpool. If not in use,
# okay to delete associated neutron port.
LOG.debug('Check trans addr %s in use.' % tmos_snat_name)
in_use_count = \
self.network_helper.get_snatpool_member_use_count(
bigip, tmos_snat_name)
if not in_use_count:
LOG.debug('Trans addr not in use - delete')
deleted_names.add(index_snat_name)
else:
LOG.debug('Trans addr in use - do not delete')
return deleted_names, in_use_subnets
class L2ServiceBuilder(object):
def __init__(self, driver, f5_global_routed_mode):
self.conf = driver.conf
self.driver = driver
self.f5_global_routed_mode = f5_global_routed_mode
self.vlan_binding = None
self.fdb_connector = None
self.interface_mapping = {}
self.tagging_mapping = {}
self.system_helper = SystemHelper()
self.network_helper = NetworkHelper()
self.service_adapter = ServiceModelAdapter(self.conf)
if not f5_global_routed_mode:
self.fdb_connector = FDBConnectorML2(self.conf)
if self.conf.vlan_binding_driver:
try:
self.vlan_binding = importutils.import_object(
self.conf.vlan_binding_driver, self.conf, self)
except ImportError:
LOG.error('Failed to import VLAN binding driver: %s'
% self.conf.vlan_binding_driver)
raise
# map format is phynet:interface:tagged
for maps in self.conf.f5_external_physical_mappings:
intmap = maps.split(':')
net_key = str(intmap[0]).strip()
if len(intmap) > 3:
net_key = net_key + ':' + str(intmap[3]).strip()
self.interface_mapping[net_key] = str(intmap[1]).strip()
self.tagging_mapping[net_key] = str(intmap[2]).strip()
LOG.debug('physical_network %s = interface %s, tagged %s'
% (net_key, intmap[1], intmap[2]))
def initialize_vcmp_manager(self):
'''Intialize the vCMP manager when the driver is ready.'''
self.vcmp_manager = VcmpManager(self.driver)
def post_init(self):
if self.vlan_binding:
LOG.debug(
'Getting BIG-IP device interface for VLAN Binding')
self.vlan_binding.register_bigip_interfaces()
def tunnel_sync(self, tunnel_ips):
if self.fdb_connector:
self.fdb_connector.advertise_tunnel_ips(tunnel_ips)
def set_tunnel_rpc(self, tunnel_rpc):
# Provide FDB Connector with ML2 RPC access
if self.fdb_connector:
self.fdb_connector.set_tunnel_rpc(tunnel_rpc)
def set_l2pop_rpc(self, l2pop_rpc):
# Provide FDB Connector with ML2 RPC access
if self.fdb_connector:
self.fdb_connector.set_l2pop_rpc(l2pop_rpc)
def set_context(self, context):
if self.fdb_connector:
self.fdb_connector.set_context(context)
def is_common_network(self, network):
# Does this network belong in the /Common folder?
return network['shared'] or \
(network['id'] in self.conf.common_network_ids) or \
('router:external' in network and
network['router:external'] and
self.conf.f5_common_external_networks)
def get_vlan_name(self, network, hostname):
# Construct a consistent vlan name
net_key = network['provider:physical_network']
net_type = network['provider:network_type']
# look for host specific interface mapping
if net_key + ':' + hostname in self.interface_mapping:
interface = self.interface_mapping[net_key + ':' + hostname]
tagged = self.tagging_mapping[net_key + ':' + hostname]
elif net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
tagged = self.tagging_mapping[net_key]
else:
interface = self.interface_mapping['default']
tagged = self.tagging_mapping['default']
if tagged:
vlanid = network['provider:segmentation_id']
else:
vlanid = 0
if net_type == "flat":
interface_name = str(interface).replace(".", "-")
if (len(interface_name) > 15):
LOG.warn(
"Interface name is greater than 15 chars in length")
vlan_name = "flat-%s" % (interface_name)
else:
vlan_name = "vlan-%d" % (vlanid)
return vlan_name
def assure_bigip_network(self, bigip, network):
# Ensure bigip has configured network object
if not network:
LOG.error('assure_bigip_network: '
'Attempted to assure a network with no id..skipping.')
return
if network['id'] in bigip.assured_networks:
return
if network['id'] in self.conf.common_network_ids:
LOG.debug('assure_bigip_network: '
'Network is a common global network... skipping.')
return
LOG.debug("assure_bigip_network network: %s" % str(network))
start_time = time()
if self.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.service_adapter.get_folder_name(
network['tenant_id']
)
# setup all needed L2 network segments
if network['provider:network_type'] == 'flat':
network_name = self._assure_device_network_flat(
network, bigip, network_folder)
elif network['provider:network_type'] == 'vlan':
network_name = self._assure_device_network_vlan(
network, bigip, network_folder)
elif network['provider:network_type'] == 'vxlan':
network_name = self._assure_device_network_vxlan(
network, bigip, network_folder)
elif network['provider:network_type'] == 'gre':
network_name = self._assure_device_network_gre(
network, bigip, network_folder)
elif network['provider:network_type'] == 'opflex':
raise f5_ex.NetworkNotReady(
"Opflex network segment definition required")
else:
error_message = 'Unsupported network type %s.' \
% network['provider:network_type'] + \
' Cannot setup network.'
LOG.error(error_message)
raise f5_ex.InvalidNetworkType(error_message)
bigip.assured_networks[network['id']] = network_name
if time() - start_time > .001:
LOG.debug(" assure bigip network took %.5f secs" %
(time() - start_time))
def _assure_device_network_flat(self, network, bigip, network_folder):
# Ensure bigip has configured flat vlan (untagged)
vlan_name = ""
interface = self.interface_mapping['default']
vlanid = 0
# Do we have host specific mappings?
net_key = network['provider:physical_network']
if net_key + ':' + bigip.hostname in \
self.interface_mapping:
interface = self.interface_mapping[
net_key + ':' + bigip.hostname]
# Do we have a mapping for this network
elif net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
vlan_name = self.get_vlan_name(network,
bigip.hostname)
self._assure_vcmp_device_network(bigip,
vlan={'name': vlan_name,
'folder': network_folder,
'id': vlanid,
'interface': interface,
'network': network})
if self.vcmp_manager and self.vcmp_manager.get_vcmp_host(bigip):
interface = None
try:
model = {'name': vlan_name,
'interface': interface,
'partition': network_folder,
'description': network['id'],
'route_domain_id': network['route_domain_id']}
self.network_helper.create_vlan(bigip, model)
except Exception as err:
LOG.exception("%s", err.message)
raise f5_ex.VLANCreationException("Failed to create flat network")
return vlan_name
def _assure_device_network_vlan(self, network, bigip, network_folder):
# Ensure bigip has configured tagged vlan
# VLAN names are limited to 64 characters including
# the folder name, so we name them foolish things.
vlan_name = ""
interface = self.interface_mapping['default']
tagged = self.tagging_mapping['default']
# Do we have host specific mappings?
net_key = network['provider:physical_network']
if net_key + ':' + bigip.hostname in \
self.interface_mapping:
interface = self.interface_mapping[
net_key + ':' + bigip.hostname]
tagged = self.tagging_mapping[
net_key + ':' + bigip.hostname]
# Do we have a mapping for this network
elif net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
tagged = self.tagging_mapping[net_key]
if tagged:
vlanid = network['provider:segmentation_id']
else:
vlanid = 0
vlan_name = self.get_vlan_name(network,
bigip.hostname)
self._assure_vcmp_device_network(bigip,
vlan={'name': vlan_name,
'folder': network_folder,
'id': vlanid,
'interface': interface,
'network': network})
if self.vcmp_manager and self.vcmp_manager.get_vcmp_host(bigip):
interface = None
try:
model = {'name': vlan_name,
'interface': interface,
'tag': vlanid,
'partition': network_folder,
'description': network['id'],
'route_domain_id': network['route_domain_id']}
self.network_helper.create_vlan(bigip, model)
except Exception as err:
LOG.exception("%s", err.message)
raise f5_ex.VLANCreationException(
"Failed to create vlan: %s" % vlan_name
)
if self.vlan_binding:
self.vlan_binding.allow_vlan(
device_name=bigip.device_name,
interface=interface,
vlanid=vlanid
)
return vlan_name
def _assure_device_network_vxlan(self, network, bigip, partition):
# Ensure bigip has configured vxlan
tunnel_name = ""
if not bigip.local_ip:
error_message = 'Cannot create tunnel %s on %s' \
% (network['id'], bigip.hostname)
error_message += ' no VTEP SelfIP defined.'
LOG.error('VXLAN:' + error_message)
raise f5_ex.MissingVTEPAddress('VXLAN:' + error_message)
tunnel_name = _get_tunnel_name(network)
# create the main tunnel entry for the fdb records
payload = {'name': tunnel_name,
'partition': partition,
'profile': 'vxlan_ovs',
'key': network['provider:segmentation_id'],
'localAddress': bigip.local_ip,
'description': network['id'],
'route_domain_id': network['route_domain_id']}
try:
self.network_helper.create_multipoint_tunnel(bigip, payload)
except Exception as err:
LOG.exception("%s", err.message)
raise f5_ex.VXLANCreationException(
"Failed to create vxlan tunnel: %s" % tunnel_name
)
if self.fdb_connector:
self.fdb_connector.notify_vtep_added(network, bigip.local_ip)
return tunnel_name
def _assure_device_network_gre(self, network, bigip, partition):
tunnel_name = ""
# Ensure bigip has configured gre tunnel
if not bigip.local_ip:
error_message = 'Cannot create tunnel %s on %s' \
% (network['id'], bigip.hostname)
error_message += ' no VTEP SelfIP defined.'
LOG.error('L2GRE:' + error_message)
raise f5_ex.MissingVTEPAddress('L2GRE:' + error_message)
tunnel_name = _get_tunnel_name(network)
payload = {'name': tunnel_name,
'partition': partition,
'profile': 'gre_ovs',
'key': network['provider:segmentation_id'],
'localAddress': bigip.local_ip,
'description': network['id'],
'route_domain_id': network['route_domain_id']}
try:
self.network_helper.create_multipoint_tunnel(bigip, payload)
except Exception as err:
LOG.exception("%s", err.message)
raise f5_ex.VXLANCreationException(
"Failed to create gre tunnel: %s" % tunnel_name
)
if self.fdb_connector:
self.fdb_connector.notify_vtep_added(network, bigip.local_ip)
return tunnel_name
def _assure_vcmp_device_network(self, bigip, vlan):
if not self.vcmp_manager:
return
vcmp_host = self.vcmp_manager.get_vcmp_host(bigip)
if not vcmp_host:
return
# Create the VLAN on the vCMP Host
model = {'name': vlan['name'],
'partition': 'Common',
'tag': vlan['id'],
'interface': vlan['interface'],
'description': vlan['network']['id'],
'route_domain_id': vlan['network']['route_domain_id']}
try:
self.network_helper.create_vlan(vcmp_host['bigip'], model)
LOG.debug(('Created VLAN %s on vCMP Host %s' %
(vlan['name'], vcmp_host['bigip'].hostname)))
except Exception as exc:
LOG.error(
('Exception creating VLAN %s on vCMP Host %s:%s' %
(vlan['name'], vcmp_host['bigip'].hostname, exc)))
# Associate the VLAN with the vCMP Guest, if necessary
self.vcmp_manager.assoc_vlan_with_vcmp_guest(bigip, vlan)
def delete_bigip_network(self, bigip, network):
# Delete network on bigip
if network['id'] in self.conf.common_network_ids:
LOG.debug('skipping delete of common network %s'
% network['id'])
return
if self.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.service_adapter.get_folder_name(
network['tenant_id'])
if network['provider:network_type'] == 'vlan':
self._delete_device_vlan(bigip, network, network_folder)
elif network['provider:network_type'] == 'flat':
self._delete_device_flat(bigip, network, network_folder)
elif network['provider:network_type'] == 'vxlan':
self._delete_device_vxlan(bigip, network, network_folder)
elif network['provider:network_type'] == 'gre':
self._delete_device_gre(bigip, network, network_folder)
elif network['provider:network_type'] == 'opflex':
raise f5_ex.NetworkNotReady(
"Opflex network segment definition required")
else:
LOG.error('Unsupported network type %s. Can not delete.'
% network['provider:network_type'])
if network['id'] in bigip.assured_networks:
del bigip.assured_networks[network['id']]
def _delete_device_vlan(self, bigip, network, network_folder):
# Delete tagged vlan on specific bigip
vlan_name = self.get_vlan_name(network,
bigip.hostname)
try:
self.network_helper.delete_vlan(
bigip,
vlan_name,
partition=network_folder
)
except Exception as err:
LOG.exception(err)
LOG.error(
"Failed to delete vlan: %s" % vlan_name)
if self.vlan_binding:
interface = self.interface_mapping['default']
tagged = self.tagging_mapping['default']
vlanid = 0
# Do we have host specific mappings?
net_key = network['provider:physical_network']
if net_key + ':' + bigip.hostname in \
self.interface_mapping:
interface = self.interface_mapping[
net_key + ':' + bigip.hostname]
tagged = self.tagging_mapping[
net_key + ':' + bigip.hostname]
# Do we have a mapping for this network
elif net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
tagged = self.tagging_mapping[net_key]
if tagged:
vlanid = network['provider:segmentation_id']
else:
vlanid = 0
self.vlan_binding.prune_vlan(
device_name=bigip.device_name,
interface=interface,
vlanid=vlanid
)
self._delete_vcmp_device_network(bigip, vlan_name)
def _delete_device_flat(self, bigip, network, network_folder):
# Delete untagged vlan on specific bigip
vlan_name = self.get_vlan_name(network,
bigip.hostname)
try:
self.network_helper.delete_vlan(
bigip,
vlan_name,
partition=network_folder
)
except Exception as err:
LOG.exception(err)
LOG.error(
"Failed to delete vlan: %s" % vlan_name)
self._delete_vcmp_device_network(bigip, vlan_name)
def _delete_device_vxlan(self, bigip, network, network_folder):
# Delete vxlan tunnel on specific bigip
tunnel_name = _get_tunnel_name(network)
try:
self.network_helper.delete_all_fdb_entries(
bigip,
tunnel_name,
partition=network_folder)
self.network_helper.delete_tunnel(
bigip,
tunnel_name,
partition=network_folder)
except Exception as err:
# Just log the exception, we want to continue cleanup
LOG.exception(err)
LOG.error(
"Failed to delete vxlan tunnel: %s" % tunnel_name)
if self.fdb_connector:
self.fdb_connector.notify_vtep_removed(network, bigip.local_ip)
def _delete_device_gre(self, bigip, network, network_folder):
# Delete gre tunnel on specific bigip
tunnel_name = _get_tunnel_name(network)
try:
self.network_helper.delete_all_fdb_entries(
bigip,
tunnel_name,
partition=network_folder)
self.network_helper.delete_tunnel(
bigip,
tunnel_name,
partition=network_folder)
except Exception as err:
# Just log the exception, we want to continue cleanup
LOG.exception(err)
LOG.error(
"Failed to delete gre tunnel: %s" % tunnel_name)
if self.fdb_connector:
self.fdb_connector.notify_vtep_removed(network, bigip.local_ip)
def _delete_vcmp_device_network(self, bigip, vlan_name):
'''Disassociated VLAN with vCMP Guest, then delete it from vCMP Host
:param bigip: ManagementRoot object -- vCMP guest
:param vlan_name: str -- name of vlan
'''
if not self.vcmp_manager:
return
vcmp_host = self.vcmp_manager.get_vcmp_host(bigip)
if not vcmp_host:
return
self.vcmp_manager.disassoc_vlan_with_vcmp_guest(bigip, vlan_name)
def add_bigip_fdbs(self, bigip, net_folder, fdb_info, vteps_by_type):
# Add fdb records for a mac/ip with specified vteps
network = fdb_info['network']
net_type = network['provider:network_type']
vteps_key = net_type + '_vteps'
if vteps_key in vteps_by_type:
vteps = vteps_by_type[vteps_key]
if net_type == 'gre':
self.add_gre_fdbs(bigip, net_folder, fdb_info, vteps)
elif net_type == 'vxlan':
self.add_vxlan_fdbs(bigip, net_folder, fdb_info, vteps)
def add_gre_fdbs(self, bigip, net_folder, fdb_info, vteps):
# Add gre fdb records
network = fdb_info['network']
ip_address = fdb_info['ip_address']
mac_address = fdb_info['mac_address']
tunnel_name = _get_tunnel_name(network)
for vtep in vteps:
if mac_address:
mac_addr = mac_address
else:
mac_addr = _get_tunnel_fake_mac(network, vtep)
self.network_helper.add_fdb_entry(
bigip,
tunnel_name=tunnel_name,
partition=net_folder,
mac_address=mac_addr,
vtep_ip_address=vtep,
arp_ip_address=ip_address)
def add_vxlan_fdbs(self, bigip, net_folder, fdb_info, vteps):
# Add vxlan fdb records
network = fdb_info['network']
ip_address = fdb_info['ip_address']
mac_address = fdb_info['mac_address']
tunnel_name = _get_tunnel_name(network)
for vtep in vteps:
if mac_address:
mac_addr = mac_address
else:
mac_addr = _get_tunnel_fake_mac(network, vtep)
self.network_helper.add_fdb_entry(
bigip,
tunnel_name=tunnel_name,
partition=net_folder,
mac_address=mac_addr,
vtep_ip_address=vtep,
arp_ip_address=ip_address)
def delete_bigip_fdbs(self, bigip, net_folder, fdb_info, vteps_by_type):
# Delete fdb records for a mac/ip with specified vteps
network = fdb_info['network']
net_type = network['provider:network_type']
vteps_key = net_type + '_vteps'
if vteps_key in vteps_by_type:
vteps = vteps_by_type[vteps_key]
if net_type == 'gre':
self.delete_gre_fdbs(bigip, net_folder, fdb_info, vteps)
elif net_type == 'vxlan':
self.delete_vxlan_fdbs(bigip, net_folder, fdb_info, vteps)
def delete_gre_fdbs(self, bigip, net_folder, fdb_info, vteps):
# delete gre fdb records
network = fdb_info['network']
ip_address = fdb_info['ip_address']
mac_address = fdb_info['mac_address']
tunnel_name = _get_tunnel_name(network)
for vtep in vteps:
if mac_address:
mac_addr = mac_address
else:
mac_addr = _get_tunnel_fake_mac(network, vtep)
self.network_helper.delete_fdb_entry(
bigip,
tunnel_name=tunnel_name,
mac_address=mac_addr,
arp_ip_address=ip_address,
partition=net_folder)
def delete_vxlan_fdbs(self, bigip, net_folder, fdb_info, vteps):
# delete vxlan fdb records
network = fdb_info['network']
ip_address = fdb_info['ip_address']
mac_address = fdb_info['mac_address']
tunnel_name = _get_tunnel_name(network)
for vtep in vteps:
if mac_address:
mac_addr = mac_address
else:
mac_addr = _get_tunnel_fake_mac(network, vtep)
self.network_helper.delete_fdb_entry(
bigip,
tunnel_name=tunnel_name,
mac_address=mac_addr,
arp_ip_address=ip_address,
partition=net_folder)
def add_bigip_fdb(self, bigip, fdb):
# Add entries from the fdb relevant to the bigip
for fdb_operation in \
[{'network_type': 'vxlan',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.add_fdb_entries},
{'network_type': 'gre',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.add_fdb_entries}]:
self._operate_bigip_fdb(bigip, fdb, fdb_operation)
def _operate_bigip_fdb(self, bigip, fdb, fdb_operation):
"""Add L2 records for MAC addresses behind tunnel endpoints.
Description of fdb structure:
{'<network_id>':
'segment_id': <int>
'ports': [ '<vtep>': ['<mac_address>': '<ip_address>'] ]
'<network_id>':
'segment_id':
'ports': [ '<vtep>': ['<mac_address>': '<ip_address>'] ] }
Sample real fdb structure:
{u'45bbbce1-191b-4f7b-84c5-54c6c8243bd2':
{u'segment_id': 1008,
u'ports':
{u'10.30.30.2': [[u'00:00:00:00:00:00', u'0.0.0.0'],
[u'fa:16:3e:3d:7b:7f', u'10.10.1.4']]},
u'network_type': u'vxlan'}}
"""
network_type = fdb_operation['network_type']
get_tunnel_folder = fdb_operation['get_tunnel_folder']
fdb_method = fdb_operation['fdb_method']
for network in fdb:
net_fdb = fdb[network]
if net_fdb['network_type'] == network_type:
net = {'name': network,
'provider:network_type': net_fdb['network_type'],
'provider:segmentation_id': net_fdb['segment_id']}
tunnel_name = _get_tunnel_name(net)
folder = get_tunnel_folder(bigip, tunnel_name=tunnel_name)
net_info = {'network': network,
'folder': folder,
'tunnel_name': tunnel_name,
'net_fdb': net_fdb}
fdbs = self._get_bigip_network_fdbs(bigip, net_info)
if len(fdbs) > 0:
fdb_method(fdb_entries=fdbs)
def _get_bigip_network_fdbs(self, bigip, net_info):
# Get network fdb entries to add to a bigip
if not net_info['folder']:
return {}
net_fdb = net_info['net_fdb']
fdbs = {}
for vtep in net_fdb['ports']:
# bigip does not need to set fdb entries for local addresses
if vtep == bigip.local_ip:
continue
# most net_info applies to the vtep
vtep_info = dict(net_info)
# but the network fdb is too broad so delete it
del vtep_info['net_fdb']
# use a slice of the fdb for the vtep instead
vtep_info['vtep'] = vtep
vtep_info['fdb_entries'] = net_fdb['ports'][vtep]
self._merge_vtep_fdbs(vtep_info, fdbs)
return fdbs
def _merge_vtep_fdbs(self, vtep_info, fdbs):
# Add L2 records for a specific network+vtep
folder = vtep_info['folder']
tunnel_name = vtep_info['tunnel_name']
for entry in vtep_info['fdb_entries']:
mac_address = entry[0]
if mac_address == '00:00:00:00:00:00':
continue
ip_address = entry[1]
# create/get tunnel data
if tunnel_name not in fdbs:
fdbs[tunnel_name] = {}
tunnel_fdbs = fdbs[tunnel_name]
# update tunnel folder
tunnel_fdbs['folder'] = folder
# maybe create records for tunnel
if 'records' not in tunnel_fdbs:
tunnel_fdbs['records'] = {}
# add entry to records map keyed by mac address
tunnel_fdbs['records'][mac_address] = \
{'endpoint': vtep_info['vtep'], 'ip_address': ip_address}
def update_bigip_fdb(self, bigip, fdb):
# Update l2 records
self.add_bigip_fdb(bigip, fdb)
def remove_bigip_fdb(self, bigip, fdb):
# Add L2 records for MAC addresses behind tunnel endpoints
for fdb_operation in \
[{'network_type': 'vxlan',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.delete_fdb_entries},
{'network_type': 'gre',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.delete_fdb_entries}]:
self._operate_bigip_fdb(bigip, fdb, fdb_operation)
# Utilities
def get_network_name(self, bigip, network):
# This constructs a name for a tunnel or vlan interface
preserve_network_name = False
if network['id'] in self.conf.common_network_ids:
network_name = self.conf.common_network_ids[network['id']]
preserve_network_name = True
elif network['provider:network_type'] == 'vlan':
network_name = self.get_vlan_name(network,
bigip.hostname)
elif network['provider:network_type'] == 'flat':
network_name = self.get_vlan_name(network,
bigip.hostname)
elif network['provider:network_type'] == 'vxlan':
network_name = _get_tunnel_name(network)
elif network['provider:network_type'] == 'gre':
network_name = _get_tunnel_name(network)
else:
error_message = 'Unsupported network type %s.' \
% network['provider:network_type'] + \
' Cannot setup selfip or snat.'
LOG.error(error_message)
raise f5_ex.InvalidNetworkType(error_message)
return network_name, preserve_network_name
class NetworkServiceBuilder(object):
def __init__(self, f5_global_routed_mode, conf, driver, l3_binding=None):
self.f5_global_routed_mode = f5_global_routed_mode
self.conf = conf
self.driver = driver
self.l3_binding = l3_binding
self.l2_service = L2ServiceBuilder(driver, f5_global_routed_mode)
self.bigip_selfip_manager = BigipSelfIpManager(
self.driver, self.l2_service, self.driver.l3_binding)
self.bigip_snat_manager = BigipSnatManager(
self.driver, self.l2_service, self.driver.l3_binding)
self.vlan_manager = resource_helper.BigIPResourceHelper(
resource_helper.ResourceType.vlan)
self.rds_cache = {}
self.interface_mapping = self.l2_service.interface_mapping
self.network_helper = NetworkHelper()
self.service_adapter = self.driver.service_adapter
def post_init(self):
# Run and Post Initialization Tasks """
# run any post initialized tasks, now that the agent
# is fully connected
self.l2_service.post_init()
def tunnel_sync(self, tunnel_ips):
self.l2_service.tunnel_sync(tunnel_ips)
def set_tunnel_rpc(self, tunnel_rpc):
# Provide FDB Connector with ML2 RPC access """
self.l2_service.set_tunnel_rpc(tunnel_rpc)
def set_l2pop_rpc(self, l2pop_rpc):
# Provide FDB Connector with ML2 RPC access """
self.l2_service.set_l2pop_rpc(l2pop_rpc)
def initialize_vcmp(self):
self.l2_service.initialize_vcmp_manager()
def initialize_tunneling(self):
# setup tunneling
vtep_folder = self.conf.f5_vtep_folder
vtep_selfip_name = self.conf.f5_vtep_selfip_name
local_ips = []
for bigip in self.driver.get_all_bigips():
bigip.local_ip = None
if not vtep_folder or vtep_folder.lower() == 'none':
vtep_folder = 'Common'
if vtep_selfip_name and \
not vtep_selfip_name.lower() == 'none':
# profiles may already exist
# create vxlan_multipoint_profile`
self.network_helper.create_vxlan_multipoint_profile(
bigip,
'vxlan_ovs',
partition='Common')
# create l2gre_multipoint_profile
self.network_helper.create_l2gre_multipoint_profile(
bigip,
'gre_ovs',
partition='Common')
# find the IP address for the selfip for each box
local_ip = self.bigip_selfip_manager.get_selfip_addr(
bigip,
vtep_selfip_name,
partition=vtep_folder
)
if local_ip:
bigip.local_ip = local_ip
local_ips.append(local_ip)
else:
raise f5_ex.MissingVTEPAddress(
'device %s missing vtep selfip %s'
% (bigip.device_name,
'/' + vtep_folder + '/' +
vtep_selfip_name))
return local_ips
def prep_service_networking(self, service, traffic_group):
# Assure network connectivity is established on all bigips
if self.conf.f5_global_routed_mode or not service['loadbalancer']:
return
if self.conf.use_namespaces:
try:
LOG.debug("Annotating the service definition networks "
"with route domain ID.")
self._annotate_service_route_domains(service)
except Exception as err:
LOG.exception(err)
raise f5_ex.RouteDomainCreationException(
"Route domain annotation error")
# Per Device Network Connectivity (VLANs or Tunnels)
subnetsinfo = self._get_subnets_to_assure(service)
for (assure_bigip, subnetinfo) in (
itertools.product(self.driver.get_all_bigips(), subnetsinfo)):
LOG.debug("Assuring per device network connectivity "
"for %s on subnet %s." % (assure_bigip.hostname,
subnetinfo['subnet']))
# Make sure the L2 network is established
self.l2_service.assure_bigip_network(
assure_bigip, subnetinfo['network'])
# Connect the BigIP device to network, by getting
# a self-ip address on the subnet.
self.bigip_selfip_manager.assure_bigip_selfip(
assure_bigip, service, subnetinfo)
# L3 Shared Config
assure_bigips = self.driver.get_config_bigips()
LOG.debug("Getting subnetinfo for ...")
LOG.debug(assure_bigips)
for subnetinfo in subnetsinfo:
if self.conf.f5_snat_addresses_per_subnet > 0:
self._assure_subnet_snats(assure_bigips, service, subnetinfo)
if subnetinfo['is_for_member'] and not self.conf.f5_snat_mode:
try:
self._allocate_gw_addr(subnetinfo)
except KeyError as err:
raise f5_ex.VirtualServerCreationException(err.message)
for assure_bigip in assure_bigips:
# If we are not using SNATS, attempt to become
# the subnet's default gateway.
self.bigip_selfip_manager.assure_gateway_on_subnet(
assure_bigip, subnetinfo, traffic_group)
def _annotate_service_route_domains(self, service):
# Add route domain notation to pool member and vip addresses.
LOG.debug("Service before route domains: %s" % service)
tenant_id = service['loadbalancer']['tenant_id']
self.update_rds_cache(tenant_id)
if 'members' in service:
for member in service['members']:
if 'address' in member:
LOG.debug("processing member %s" % member['address'])
if 'network_id' in member and member['network_id']:
member_network = (
self.service_adapter.get_network_from_service(
service,
member['network_id']
))
member_subnet = (
self.service_adapter.get_subnet_from_service(
service,
member['subnet_id']
))
if member_network:
self.assign_route_domain(
tenant_id, member_network, member_subnet)
rd_id = (
'%' + str(member_network['route_domain_id'])
)
member['address'] += rd_id
else:
member['address'] += '%0'
if 'vip_address' in service['loadbalancer']:
loadbalancer = service['loadbalancer']
if 'network_id' in loadbalancer:
lb_network = self.service_adapter.get_network_from_service(
service, loadbalancer['network_id'])
vip_subnet = self.service_adapter.get_subnet_from_service(
service, loadbalancer['vip_subnet_id'])
self.assign_route_domain(
tenant_id, lb_network, vip_subnet)
rd_id = '%' + str(lb_network['route_domain_id'])
service['loadbalancer']['vip_address'] += rd_id
else:
service['loadbalancer']['vip_address'] += '%0'
LOG.debug("Service after route domains: %s" % service)
def assign_route_domain(self, tenant_id, network, subnet):
# Assign route domain for a network
if self.l2_service.is_common_network(network):
network['route_domain_id'] = 0
return
LOG.debug("assign route domain get from cache %s" % network)
route_domain_id = self.get_route_domain_from_cache(network)
if route_domain_id is not None:
network['route_domain_id'] = route_domain_id
return
LOG.debug("max namespaces: %s" % self.conf.max_namespaces_per_tenant)
LOG.debug("max namespaces == 1: %s" %
(self.conf.max_namespaces_per_tenant == 1))
if self.conf.max_namespaces_per_tenant == 1:
bigip = self.driver.get_bigip()
LOG.debug("bigip before get_domain: %s" % bigip)
partition_id = self.service_adapter.get_folder_name(
tenant_id)
tenant_rd = self.network_helper.get_route_domain(
bigip, partition=partition_id)
network['route_domain_id'] = tenant_rd.id
return
LOG.debug("assign route domain checking for available route domain")
# need new route domain ?
check_cidr = netaddr.IPNetwork(subnet['cidr'])
placed_route_domain_id = None
for route_domain_id in self.rds_cache[tenant_id]:
LOG.debug("checking rd %s" % route_domain_id)
rd_entry = self.rds_cache[tenant_id][route_domain_id]
overlapping_subnet = None
for net_shortname in rd_entry:
LOG.debug("checking net %s" % net_shortname)
net_entry = rd_entry[net_shortname]
for exist_subnet_id in net_entry['subnets']:
if exist_subnet_id == subnet['id']:
continue
exist_subnet = net_entry['subnets'][exist_subnet_id]
exist_cidr = exist_subnet['cidr']
if check_cidr in exist_cidr or exist_cidr in check_cidr:
overlapping_subnet = exist_subnet
LOG.debug('rd %s: overlaps with subnet %s id: %s' % (
(route_domain_id, exist_subnet, exist_subnet_id)))
break
if overlapping_subnet:
# no need to keep looking
break
if not overlapping_subnet:
placed_route_domain_id = route_domain_id
break
if placed_route_domain_id is None:
if (len(self.rds_cache[tenant_id]) <
self.conf.max_namespaces_per_tenant):
placed_route_domain_id = self._create_aux_rd(tenant_id)
self.rds_cache[tenant_id][placed_route_domain_id] = {}
LOG.debug("Tenant %s now has %d route domains" %
(tenant_id, len(self.rds_cache[tenant_id])))
else:
raise Exception("Cannot allocate route domain")
LOG.debug("Placed in route domain %s" % placed_route_domain_id)
rd_entry = self.rds_cache[tenant_id][placed_route_domain_id]
net_short_name = self.get_neutron_net_short_name(network)
if net_short_name not in rd_entry:
rd_entry[net_short_name] = {'subnets': {}}
net_subnets = rd_entry[net_short_name]['subnets']
net_subnets[subnet['id']] = {'cidr': check_cidr}
network['route_domain_id'] = placed_route_domain_id
def _create_aux_rd(self, tenant_id):
# Create a new route domain
route_domain_id = None
for bigip in self.driver.get_all_bigips():
partition_id = self.service_adapter.get_folder_name(tenant_id)
bigip_route_domain_id = self.network_helper.create_route_domain(
bigip,
partition=partition_id,
strictness=self.conf.f5_route_domain_strictness,
is_aux=True)
if route_domain_id is None:
route_domain_id = bigip_route_domain_id.id
elif bigip_route_domain_id.id != route_domain_id:
# FixME error
LOG.debug(
"Bigips allocated two different route domains!: %s %s"
% (bigip_route_domain_id, route_domain_id))
LOG.debug("Allocated route domain %s for tenant %s"
% (route_domain_id, tenant_id))
return route_domain_id
# The purpose of the route domain subnet cache is to
# determine whether there is an existing bigip
# subnet that conflicts with a new one being
# assigned to the route domain.
"""
# route domain subnet cache
rds_cache =
{'<tenant_id>': {
{'0': {
'<network type>-<segmentation id>': [
'subnets': [
'<subnet id>': {
'cidr': '<cidr>'
}
],
'1': {}}}}
"""
def update_rds_cache(self, tenant_id):
# Update the route domain cache from bigips
if tenant_id not in self.rds_cache:
LOG.debug("rds_cache: adding tenant %s" % tenant_id)
self.rds_cache[tenant_id] = {}
for bigip in self.driver.get_all_bigips():
self.update_rds_cache_bigip(tenant_id, bigip)
LOG.debug("rds_cache updated: " + str(self.rds_cache))
def update_rds_cache_bigip(self, tenant_id, bigip):
# Update the route domain cache for this tenant
# with information from bigip's vlan and tunnels
LOG.debug("rds_cache: processing bigip %s" % bigip.device_name)
route_domain_ids = self.network_helper.get_route_domain_ids(
bigip,
partition=self.service_adapter.get_folder_name(tenant_id))
# LOG.debug("rds_cache: got bigip route domains: %s" % route_domains)
for route_domain_id in route_domain_ids:
self.update_rds_cache_bigip_rd_vlans(
tenant_id, bigip, route_domain_id)
def update_rds_cache_bigip_rd_vlans(
self, tenant_id, bigip, route_domain_id):
# Update the route domain cache with information
# from the bigip vlans and tunnels from
# this route domain
LOG.debug("rds_cache: processing bigip %s rd %s"
% (bigip.device_name, route_domain_id))
# this gets tunnels too
partition_id = self.service_adapter.get_folder_name(tenant_id)
rd_vlans = self.network_helper.get_vlans_in_route_domain_by_id(
bigip,
partition=partition_id,
id=route_domain_id
)
LOG.debug("rds_cache: bigip %s rd %s vlans: %s"
% (bigip.device_name, route_domain_id, rd_vlans))
if len(rd_vlans) == 0:
LOG.debug("No vlans found for route domain: %d" %
(route_domain_id))
return
# make sure this rd has a cache entry
tenant_entry = self.rds_cache[tenant_id]
if route_domain_id not in tenant_entry:
tenant_entry[route_domain_id] = {}
# for every VLAN or TUNNEL on this bigip...
for rd_vlan in rd_vlans:
self.update_rds_cache_bigip_vlan(
tenant_id, bigip, route_domain_id, rd_vlan)
def update_rds_cache_bigip_vlan(
self, tenant_id, bigip, route_domain_id, rd_vlan):
# Update the route domain cache with information
# from the bigip vlan or tunnel
LOG.debug("rds_cache: processing bigip %s rd %d vlan %s"
% (bigip.device_name, route_domain_id, rd_vlan))
net_short_name = self.get_bigip_net_short_name(
bigip, tenant_id, rd_vlan)
# make sure this net has a cache entry
tenant_entry = self.rds_cache[tenant_id]
rd_entry = tenant_entry[route_domain_id]
if net_short_name not in rd_entry:
rd_entry[net_short_name] = {'subnets': {}}
net_subnets = rd_entry[net_short_name]['subnets']
partition_id = self.service_adapter.get_folder_name(tenant_id)
LOG.debug("Calling get_selfips with: partition %s and vlan_name %s",
partition_id, rd_vlan)
selfips = self.bigip_selfip_manager.get_selfips(
bigip,
partition=partition_id,
vlan_name=rd_vlan
)
LOG.debug("rds_cache: got selfips")
for selfip in selfips:
LOG.debug("rds_cache: processing bigip %s rd %s vlan %s self %s" %
(bigip.device_name, route_domain_id, rd_vlan,
selfip.name))
if bigip.device_name not in selfip.name:
LOG.error("rds_cache: Found unexpected selfip %s for tenant %s"
% (selfip.name, tenant_id))
continue
subnet_id = selfip.name.split(bigip.device_name + '-')[1]
# convert 10.1.1.1%1/24 to 10.1.1.1/24
(addr, netbits) = selfip.address.split('/')
addr = addr.split('%')[0]
selfip.address = addr + '/' + netbits
# selfip addresses will have slash notation: 10.1.1.1/24
netip = netaddr.IPNetwork(selfip.address)
LOG.debug("rds_cache: updating subnet %s with %s"
% (subnet_id, str(netip.cidr)))
net_subnets[subnet_id] = {'cidr': netip.cidr}
LOG.debug("rds_cache: now %s" % self.rds_cache)
def get_route_domain_from_cache(self, network):
# Get route domain from cache by network
net_short_name = self.get_neutron_net_short_name(network)
for tenant_id in self.rds_cache:
tenant_cache = self.rds_cache[tenant_id]
for route_domain_id in tenant_cache:
if net_short_name in tenant_cache[route_domain_id]:
return route_domain_id
def remove_from_rds_cache(self, network, subnet):
# Get route domain from cache by network
LOG.debug("remove_from_rds_cache")
net_short_name = self.get_neutron_net_short_name(network)
for tenant_id in self.rds_cache:
LOG.debug("rds_cache: processing remove for %s" % tenant_id)
deleted_rds = []
tenant_cache = self.rds_cache[tenant_id]
for route_domain_id in tenant_cache:
if net_short_name in tenant_cache[route_domain_id]:
net_entry = tenant_cache[route_domain_id][net_short_name]
if subnet['id'] in net_entry['subnets']:
del net_entry['subnets'][subnet['id']]
if len(net_entry['subnets']) == 0:
del net_entry['subnets']
if len(tenant_cache[route_domain_id][net_short_name]) == 0:
del tenant_cache[route_domain_id][net_short_name]
if len(self.rds_cache[tenant_id][route_domain_id]) == 0:
deleted_rds.append(route_domain_id)
for rd in deleted_rds:
LOG.debug("removing route domain %d from tenant %s" %
(rd, tenant_id))
del self.rds_cache[tenant_id][rd]
def get_bigip_net_short_name(self, bigip, tenant_id, network_name):
# Return <network_type>-<seg_id> for bigip network
LOG.debug("get_bigip_net_short_name: %s:%s" % (
tenant_id, network_name))
partition_id = self.service_adapter.get_folder_name(tenant_id)
LOG.debug("network_name %s", network_name.split('/'))
network_name = network_name.split("/")[-1]
if 'tunnel-gre-' in network_name:
tunnel_key = self.network_helper.get_tunnel_key(
bigip,
network_name,
partition=partition_id
)
return 'gre-%s' % tunnel_key
elif 'tunnel-vxlan-' in network_name:
LOG.debug("Getting tunnel key for VXLAN: %s", network_name)
tunnel_key = self.network_helper.get_tunnel_key(
bigip,
network_name,
partition=partition_id
)
return 'vxlan-%s' % tunnel_key
else:
LOG.debug("Getting tunnel key for VLAN: %s", network_name)
vlan_id = self.network_helper.get_vlan_id(bigip,
name=network_name,
partition=partition_id)
return 'vlan-%s' % vlan_id
@staticmethod
def get_neutron_net_short_name(network):
# Return <network_type>-<seg_id> for neutron network
net_type = network['provider:network_type']
net_seg_key = network['provider:segmentation_id']
return net_type + '-' + str(net_seg_key)
def _assure_subnet_snats(self, assure_bigips, service, subnetinfo):
# Ensure snat for subnet exists on bigips
tenant_id = service['loadbalancer']['tenant_id']
subnet = subnetinfo['subnet']
snats_per_subnet = self.conf.f5_snat_addresses_per_subnet
assure_bigips = \
[bigip for bigip in assure_bigips
if tenant_id not in bigip.assured_tenant_snat_subnets or
subnet['id'] not in
bigip.assured_tenant_snat_subnets[tenant_id]]
LOG.debug("_assure_subnet_snats: getting snat addrs for: %s" %
subnet['id'])
if len(assure_bigips):
snat_addrs = self.bigip_snat_manager.get_snat_addrs(
subnetinfo, tenant_id, snats_per_subnet)
if len(snat_addrs) != snats_per_subnet:
raise f5_ex.SNAT_CreationException(
"Unable to satisfy request to allocate %d "
"snats. Actual SNAT count: %d SNATs" %
(snats_per_subnet, len(snat_addrs)))
for assure_bigip in assure_bigips:
self.bigip_snat_manager.assure_bigip_snats(
assure_bigip, subnetinfo, snat_addrs, tenant_id)
def _allocate_gw_addr(self, subnetinfo):
# Create a name for the port and for the IP Forwarding
# Virtual Server as well as the floating Self IP which
# will answer ARP for the members
need_port_for_gateway = False
network = subnetinfo['network']
subnet = subnetinfo['subnet']
if not network or not subnet:
LOG.error('Attempted to create default gateway'
' for network with no id...skipping.')
return
if not subnet['gateway_ip']:
raise KeyError("attempting to create gateway on subnet without "
"gateway ip address specified.")
gw_name = "gw-" + subnet['id']
ports = self.driver.plugin_rpc.get_port_by_name(port_name=gw_name)
if len(ports) < 1:
need_port_for_gateway = True
# There was no port on this agent's host, so get one from Neutron
if need_port_for_gateway:
try:
rpc = self.driver.plugin_rpc
new_port = rpc.create_port_on_subnet_with_specific_ip(
subnet_id=subnet['id'], mac_address=None,
name=gw_name, ip_address=subnet['gateway_ip'])
LOG.info('gateway IP for subnet %s will be port %s'
% (subnet['id'], new_port['id']))
except Exception as exc:
ermsg = 'Invalid default gateway for subnet %s:%s - %s.' \
% (subnet['id'],
subnet['gateway_ip'],
exc.message)
ermsg += " SNAT will not function and load balancing"
ermsg += " support will likely fail. Enable f5_snat_mode."
LOG.exception(ermsg)
return True
def post_service_networking(self, service, all_subnet_hints):
# Assure networks are deleted from big-ips
if self.conf.f5_global_routed_mode:
return
# L2toL3 networking layer
# Non Shared Config - Local Per BIG-IP
self.update_bigip_l2(service)
# Delete shared config objects
deleted_names = set()
for bigip in self.driver.get_config_bigips():
LOG.debug('post_service_networking: calling '
'_assure_delete_networks del nets sh for bigip %s %s'
% (bigip.device_name, all_subnet_hints))
subnet_hints = all_subnet_hints[bigip.device_name]
deleted_names = deleted_names.union(
self._assure_delete_nets_shared(bigip, service,
subnet_hints))
# Delete non shared config objects
for bigip in self.driver.get_all_bigips():
LOG.debug(' post_service_networking: calling '
' _assure_delete_networks del nets ns for bigip %s'
% bigip.device_name)
subnet_hints = all_subnet_hints[bigip.device_name]
deleted_names = deleted_names.union(
self._assure_delete_nets_nonshared(
bigip, service, subnet_hints)
)
for port_name in deleted_names:
LOG.debug(' post_service_networking: calling '
' del port %s'
% port_name)
self.driver.plugin_rpc.delete_port_by_name(
port_name=port_name)
def update_bigip_l2(self, service):
# Update fdb entries on bigip
loadbalancer = service['loadbalancer']
service_adapter = self.service_adapter
for bigip in self.driver.get_all_bigips():
for member in service['members']:
LOG.debug("update_bigip_l2 update service members")
member['network'] = service_adapter.get_network_from_service(
service,
member['network_id']
)
member_status = member['provisioning_status']
if member_status == plugin_const.PENDING_DELETE:
self.delete_bigip_member_l2(bigip, loadbalancer, member)
else:
self.update_bigip_member_l2(bigip, loadbalancer, member)
if "network_id" not in loadbalancer:
LOG.error("update_bigip_l2, expected network ID")
return
LOG.debug("update_bigip_l2 get network for ID %s" %
loadbalancer["network_id"])
loadbalancer['network'] = service_adapter.get_network_from_service(
service,
loadbalancer['network_id']
)
lb_status = loadbalancer['provisioning_status']
if lb_status == plugin_const.PENDING_DELETE:
self.delete_bigip_vip_l2(bigip, loadbalancer)
else:
LOG.debug("update_bigip_l2 calling update_bigip_vip_l2")
self.update_bigip_vip_l2(bigip, loadbalancer)
LOG.debug("update_bigip_l2 complete")
def update_bigip_member_l2(self, bigip, loadbalancer, member):
# update pool member l2 records
network = member['network']
if network:
if self.l2_service.is_common_network(network):
net_folder = 'Common'
else:
net_folder = self.service_adapter.get_folder_name(
loadbalancer['tenant_id']
)
fdb_info = {'network': network,
'ip_address': member['address'],
'mac_address': member['port']['mac_address']}
self.l2_service.add_bigip_fdbs(
bigip, net_folder, fdb_info, member)
def delete_bigip_member_l2(self, bigip, loadbalancer, member):
# Delete pool member l2 records
network = member['network']
if network:
if 'port' in member:
if self.l2_service.is_common_network(network):
net_folder = 'Common'
else:
net_folder = self.service_adapter.get_folder_name(
loadbalancer['tenant_id']
)
fdb_info = {'network': network,
'ip_address': member['address'],
'mac_address': member['port']['mac_address']}
self.l2_service.delete_bigip_fdbs(
bigip, net_folder, fdb_info, member)
else:
LOG.error('Member on SDN has no port. Manual '
'removal on the BIG-IP will be '
'required. Was the vm instance '
'deleted before the pool member '
'was deleted?')
def update_bigip_vip_l2(self, bigip, loadbalancer):
# Update vip l2 records
network = loadbalancer['network']
if network:
if self.l2_service.is_common_network(network):
net_folder = 'Common'
else:
net_folder = self.service_adapter.get_folder_name(
loadbalancer['tenant_id']
)
fdb_info = {'network': network,
'ip_address': None,
'mac_address': None}
self.l2_service.add_bigip_fdbs(
bigip, net_folder, fdb_info, loadbalancer)
def delete_bigip_vip_l2(self, bigip, loadbalancer):
# Delete loadbalancer l2 records
network = loadbalancer['network']
if network:
if self.l2_service.is_common_network(network):
net_folder = 'Common'
else:
net_folder = self.service_adapter.get_folder_name(
loadbalancer['tenant_id']
)
fdb_info = {'network': network,
'ip_address': None,
'mac_address': None}
self.l2_service.delete_bigip_fdbs(
bigip, net_folder, fdb_info, loadbalancer)
def _assure_delete_nets_shared(self, bigip, service, subnet_hints):
# Assure shared configuration (which syncs) is deleted
deleted_names = set()
tenant_id = service['loadbalancer']['tenant_id']
delete_gateway = self.bigip_selfip_manager.delete_gateway_on_subnet
for subnetinfo in self._get_subnets_to_delete(bigip,
service,
subnet_hints):
try:
if not self.conf.f5_snat_mode:
gw_name = delete_gateway(bigip, subnetinfo)
deleted_names.add(gw_name)
my_deleted_names, my_in_use_subnets = \
self.bigip_snat_manager.delete_bigip_snats(
bigip, subnetinfo, tenant_id)
deleted_names = deleted_names.union(my_deleted_names)
for in_use_subnetid in my_in_use_subnets:
subnet_hints['check_for_delete_subnets'].pop(
in_use_subnetid, None)
except NeutronException as exc:
LOG.error("assure_delete_nets_shared: exception: %s"
% str(exc.msg))
except Exception as exc:
LOG.error("assure_delete_nets_shared: exception: %s"
% str(exc.message))
return deleted_names
def _assure_delete_nets_nonshared(self, bigip, service, subnet_hints):
# Delete non shared base objects for networks
deleted_names = set()
for subnetinfo in self._get_subnets_to_delete(bigip,
service,
subnet_hints):
try:
network = subnetinfo['network']
if self.l2_service.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.service_adapter.get_folder_name(
service['loadbalancer']['tenant_id'])
subnet = subnetinfo['subnet']
if self.conf.f5_populate_static_arp:
self.network_helper.arp_delete_by_subnet(
bigip,
subnet=subnet['cidr'],
mask=None,
partition=network_folder
)
local_selfip_name = "local-" + bigip.device_name + \
"-" + subnet['id']
selfip_address = self.bigip_selfip_manager.get_selfip_addr(
bigip,
local_selfip_name,
partition=network_folder
)
if not selfip_address:
LOG.error("Failed to get self IP address %s in cleanup.",
local_selfip_name)
self.bigip_selfip_manager.delete_selfip(
bigip,
local_selfip_name,
partition=network_folder
)
if self.l3_binding and selfip_address:
self.l3_binding.unbind_address(subnet_id=subnet['id'],
ip_address=selfip_address)
deleted_names.add(local_selfip_name)
self.l2_service.delete_bigip_network(bigip, network)
if subnet['id'] not in subnet_hints['do_not_delete_subnets']:
subnet_hints['do_not_delete_subnets'].append(subnet['id'])
self.remove_from_rds_cache(network, subnet)
tenant_id = service['loadbalancer']['tenant_id']
if tenant_id in bigip.assured_tenant_snat_subnets:
tenant_snat_subnets = \
bigip.assured_tenant_snat_subnets[tenant_id]
if subnet['id'] in tenant_snat_subnets:
tenant_snat_subnets.remove(subnet['id'])
except NeutronException as exc:
LOG.error("assure_delete_nets_nonshared: exception: %s"
% str(exc.msg))
except Exception as exc:
LOG.error("assure_delete_nets_nonshared: exception: %s"
% str(exc.message))
return deleted_names
def _get_subnets_to_delete(self, bigip, service, subnet_hints):
# Clean up any Self IP, SNATs, networks, and folder for
# services items that we deleted.
subnets_to_delete = []
for subnetinfo in subnet_hints['check_for_delete_subnets'].values():
subnet = self.service_adapter.get_subnet_from_service(
service, subnetinfo['subnet_id'])
subnetinfo['subnet'] = subnet
network = self.service_adapter.get_network_from_service(
service, subnetinfo['network_id'])
subnetinfo['network'] = network
route_domain = network['route_domain_id']
if not subnet:
continue
if not self._ips_exist_on_subnet(
bigip,
service,
subnet,
route_domain):
subnets_to_delete.append(subnetinfo)
return subnets_to_delete
def _ips_exist_on_subnet(self, bigip, service, subnet, route_domain):
# Does the big-ip have any IP addresses on this subnet?
LOG.debug("_ips_exist_on_subnet entry %s rd %s"
% (str(subnet['cidr']), route_domain))
route_domain = str(route_domain)
ipsubnet = netaddr.IPNetwork(subnet['cidr'])
# Are there any virtual addresses on this subnet?
folder = self.service_adapter.get_folder_name(
service['loadbalancer']['tenant_id']
)
virtual_services = self.network_helper.get_virtual_service_insertion(
bigip,
partition=folder
)
for virt_serv in virtual_services:
(_, dest) = virt_serv.items()[0]
LOG.debug(" _ips_exist_on_subnet: checking vip %s"
% str(dest['address']))
if len(dest['address'].split('%')) > 1:
vip_route_domain = dest['address'].split('%')[1]
else:
vip_route_domain = '0'
if vip_route_domain != route_domain:
continue
vip_addr = strip_domain_address(dest['address'])
if netaddr.IPAddress(vip_addr) in ipsubnet:
LOG.debug(" _ips_exist_on_subnet: found")
return True
# If there aren't any virtual addresses, are there
# node addresses on this subnet?
nodes = self.network_helper.get_node_addresses(
bigip,
partition=folder
)
for node in nodes:
LOG.debug(" _ips_exist_on_subnet: checking node %s"
% str(node))
if len(node.split('%')) > 1:
node_route_domain = node.split('%')[1]
else:
node_route_domain = '0'
if node_route_domain != route_domain:
continue
node_addr = strip_domain_address(node)
if netaddr.IPAddress(node_addr) in ipsubnet:
LOG.debug(" _ips_exist_on_subnet: found")
return True
LOG.debug(" _ips_exist_on_subnet exit %s"
% str(subnet['cidr']))
# nothing found
return False
def add_bigip_fdb(self, bigip, fdb):
self.l2_service.add_bigip_fdb(bigip, fdb)
def remove_bigip_fdb(self, bigip, fdb):
self.l2_service.remove_bigip_fdb(bigip, fdb)
def update_bigip_fdb(self, bigip, fdb):
self.l2_service.update_bigip_fdb(bigip, fdb)
def set_context(self, context):
self.l2_service.set_context(context)
def vlan_exists(self, bigip, network, folder='Common'):
return self.vlan_manager.exists(bigip, name=network, partition=folder)
def _get_subnets_to_assure(self, service):
# Examine service and return active networks
networks = dict()
loadbalancer = service['loadbalancer']
service_adapter = self.service_adapter
lb_status = loadbalancer['provisioning_status']
if lb_status != plugin_const.PENDING_DELETE:
if 'network_id' in loadbalancer:
network = service_adapter.get_network_from_service(
service,
loadbalancer['network_id']
)
subnet = service_adapter.get_subnet_from_service(
service,
loadbalancer['vip_subnet_id']
)
networks[network['id']] = {'network': network,
'subnet': subnet,
'is_for_member': False}
for member in service['members']:
if member['provisioning_status'] != plugin_const.PENDING_DELETE:
if 'network_id' in member:
network = service_adapter.get_network_from_service(
service,
member['network_id']
)
subnet = service_adapter.get_subnet_from_service(
service,
member['subnet_id']
)
networks[network['id']] = {'network': network,
'subnet': subnet,
'is_for_member': True}
return networks.values()
class BigipTenantManager(object):
"""Create network connectivity for a bigip."""
def __init__(self, conf, driver):
"""Create a BigipTenantManager."""
self.conf = conf
self.driver = driver
self.system_helper = SystemHelper()
self.network_helper = NetworkHelper()
self.service_adapter = self.driver.service_adapter
def assure_tenant_created(self, service):
"""Create tenant partition."""
tenant_id = service["loadbalancer"]["tenant_id"]
traffic_group = self.driver.service_to_traffic_group(service)
traffic_group = "/Common/" + traffic_group
service["traffic_group"] = traffic_group
# create tenant folder
folder_name = self.service_adapter.get_folder_name(tenant_id)
LOG.debug("have folder name %s" % folder_name)
for bigip in self.driver.get_config_bigips():
if not self.system_helper.folder_exists(bigip, folder_name):
folder = self.service_adapter.get_folder(service)
self.system_helper.create_folder(bigip, folder)
# folder must sync before route domains are created.
self.driver.sync_if_clustered()
# create tenant route domain
if self.conf.use_namespaces:
for bigip in self.driver.get_all_bigips():
if not self.network_helper.route_domain_exists(bigip, folder_name):
self.network_helper.create_route_domain(bigip, folder_name, self.conf.f5_route_domain_strictness)
def assure_tenant_cleanup(self, service, all_subnet_hints):
"""Delete tenant partition."""
# Called for every bigip only in replication mode,
# otherwise called once.
for bigip in self.driver.get_config_bigips():
subnet_hints = all_subnet_hints[bigip.device_name]
self._assure_bigip_tenant_cleanup(bigip, service, subnet_hints)
# called for every bigip only in replication mode.
# otherwise called once
def _assure_bigip_tenant_cleanup(self, bigip, service, subnet_hints):
tenant_id = service["loadbalancer"]["tenant_id"]
if self.conf.f5_sync_mode == "replication":
self._remove_tenant_replication_mode(bigip, tenant_id)
else:
self._remove_tenant_autosync_mode(bigip, tenant_id)
def _remove_tenant_replication_mode(self, bigip, tenant_id):
# Remove tenant in replication sync-mode
partition = self.service_adapter.get_folder_name(tenant_id)
domain_names = self.network_helper.get_route_domain_names(bigip, partition)
if domain_names:
for domain_name in domain_names:
self.network_helper.delete_route_domain(bigip, partition, domain_name)
# sudslog = std_logging.getLogger('suds.client')
# sudslog.setLevel(std_logging.FATAL)
self.system_helper.force_root_folder(bigip)
# sudslog.setLevel(std_logging.ERROR)
try:
self.system_helper.delete_folder(bigip, partition)
except f5ex.SystemDeleteException:
self.system_helper.purge_folder_contents(bigip, partition)
self.system_helper.delete_folder(bigip, partition)
def _remove_tenant_autosync_mode(self, bigip, tenant_id):
partition = self.service_adapter.get_folder_name(tenant_id)
# Remove tenant in autosync sync-mode
# all domains must be gone before we attempt to delete
# the folder or it won't delete due to not being empty
for set_bigip in self.driver.get_all_bigips():
self.network_helper.delete_route_domain(set_bigip, partition, None)
sudslog = std_logging.getLogger("suds.client")
sudslog.setLevel(std_logging.FATAL)
self.system_helper.force_root_folder(set_bigip)
sudslog.setLevel(std_logging.ERROR)
# we need to ensure that the following folder deletion
# is clearly the last change that needs to be synced.
self.driver.sync_if_clustered()
greenthread.sleep(5)
try:
self.system_helper.delete_folder(bigip, partition)
except f5ex.SystemDeleteException:
self.system_helper.purge_folder_contents(bigip, partition)
self.system_helper.delete_folder(bigip, partition)
# Need to make sure this folder delete syncs before
# something else runs and changes the current folder to
# the folder being deleted which will cause big problems.
self.driver.sync_if_clustered()
class L2ServiceBuilder(object):
def __init__(self, conf, f5_global_routed_mode):
self.conf = conf
self.f5_global_routed_mode = f5_global_routed_mode
self.vlan_binding = None
self.fdb_connector = None
self.vcmp_manager = None
self.interface_mapping = {}
self.tagging_mapping = {}
self.system_helper = SystemHelper()
self.network_helper = NetworkHelper()
self.service_adapter = ServiceModelAdapter(conf)
if not f5_global_routed_mode:
self.fdb_connector = FDBConnectorML2(conf)
if self.conf.vlan_binding_driver:
try:
self.vlan_binding = importutils.import_object(
self.conf.vlan_binding_driver, self.conf, self)
except ImportError:
LOG.error('Failed to import VLAN binding driver: %s'
% self.conf.vlan_binding_driver)
# map format is phynet:interface:tagged
for maps in self.conf.f5_external_physical_mappings:
intmap = maps.split(':')
net_key = str(intmap[0]).strip()
if len(intmap) > 3:
net_key = net_key + ':' + str(intmap[3]).strip()
self.interface_mapping[net_key] = str(intmap[1]).strip()
self.tagging_mapping[net_key] = str(intmap[2]).strip()
LOG.debug('physical_network %s = interface %s, tagged %s'
% (net_key, intmap[1], intmap[2]))
def post_init(self):
if self.vlan_binding:
LOG.debug(
'Getting BIG-IP device interface for VLAN Binding')
self.vlan_binding.register_bigip_interfaces()
def tunnel_sync(self, tunnel_ips):
if self.fdb_connector:
self.fdb_connector.advertise_tunnel_ips(tunnel_ips)
def set_tunnel_rpc(self, tunnel_rpc):
# Provide FDB Connector with ML2 RPC access
if self.fdb_connector:
self.fdb_connector.set_tunnel_rpc(tunnel_rpc)
def set_l2pop_rpc(self, l2pop_rpc):
# Provide FDB Connector with ML2 RPC access
if self.fdb_connector:
self.fdb_connector.set_l2pop_rpc(l2pop_rpc)
def set_context(self, context):
if self.fdb_connector:
self.fdb_connector.set_context(context)
def is_common_network(self, network):
# Does this network belong in the /Common folder?
return network['shared'] or \
(network['id'] in self.conf.common_network_ids) or \
('router:external' in network and
network['router:external'] and
self.conf.f5_common_external_networks)
def get_vlan_name(self, network, hostname):
# Construct a consistent vlan name
net_key = network['provider:physical_network']
# look for host specific interface mapping
if net_key + ':' + hostname in self.interface_mapping:
interface = self.interface_mapping[net_key + ':' + hostname]
tagged = self.tagging_mapping[net_key + ':' + hostname]
# look for specific interface mapping
elif net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
tagged = self.tagging_mapping[net_key]
# use default mapping
else:
interface = self.interface_mapping['default']
tagged = self.tagging_mapping['default']
if tagged:
vlanid = network['provider:segmentation_id']
else:
vlanid = 0
vlan_name = "vlan-" + \
str(interface).replace(".", "-") + \
"-" + str(vlanid)
if len(vlan_name) > 15:
vlan_name = 'vlan-tr-' + str(vlanid)
return vlan_name
def assure_bigip_network(self, bigip, network):
# Ensure bigip has configured network object
if not network:
LOG.error(' assure_bigip_network: '
'Attempted to assure a network with no id..skipping.')
return
if network['id'] in bigip.assured_networks:
return
if network['id'] in self.conf.common_network_ids:
LOG.debug(' assure_bigip_network: '
'Network is a common global network... skipping.')
return
LOG.debug(" assure_bigip_network network: %s" % str(network))
start_time = time()
if self.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.service_adapter.get_folder_name(
network['tenant_id']
)
# setup all needed L2 network segments
if network['provider:network_type'] == 'flat':
self._assure_device_network_flat(network, bigip, network_folder)
elif network['provider:network_type'] == 'vlan':
self._assure_device_network_vlan(network, bigip, network_folder)
elif network['provider:network_type'] == 'vxlan':
self._assure_device_network_vxlan(network, bigip, network_folder)
elif network['provider:network_type'] == 'gre':
self._assure_device_network_gre(network, bigip, network_folder)
else:
error_message = 'Unsupported network type %s.' \
% network['provider:network_type'] + \
' Cannot setup network.'
LOG.error(error_message)
raise f5ex.InvalidNetworkType(error_message)
bigip.assured_networks.append(network['id'])
if time() - start_time > .001:
LOG.debug(" assure bigip network took %.5f secs" %
(time() - start_time))
def _assure_device_network_flat(self, network, bigip, network_folder):
# Ensure bigip has configured flat vlan (untagged)
interface = self.interface_mapping['default']
vlanid = 0
# Do we have host specific mappings?
net_key = network['provider:physical_network']
if net_key + ':' + bigip.hostname in \
self.interface_mapping:
interface = self.interface_mapping[
net_key + ':' + bigip.hostname]
# Do we have a mapping for this network
elif net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
vlan_name = self.get_vlan_name(network,
bigip.hostname)
# TODO(Rich Browne): Implementation with VCMP
self._assure_vcmp_device_network(bigip,
vlan={'name': vlan_name,
'folder': network_folder,
'id': vlanid,
'interface': interface,
'network': network})
if self.vcmp_manager and self.vcmp_manager.get_vcmp_host(bigip):
interface = None
model = {'name': vlan_name,
'interface': interface,
'partition': network_folder,
'description': network['id'],
'route_domain_id': network['route_domain_id']}
self.network_helper.create_vlan(bigip, model)
def _assure_device_network_vlan(self, network, bigip, network_folder):
# Ensure bigip has configured tagged vlan
# VLAN names are limited to 64 characters including
# the folder name, so we name them foolish things.
interface = self.interface_mapping['default']
tagged = self.tagging_mapping['default']
# Do we have host specific mappings?
net_key = network['provider:physical_network']
if net_key + ':' + bigip.hostname in \
self.interface_mapping:
interface = self.interface_mapping[
net_key + ':' + bigip.hostname]
tagged = self.tagging_mapping[
net_key + ':' + bigip.hostname]
# Do we have a mapping for this network
elif net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
tagged = self.tagging_mapping[net_key]
if tagged:
vlanid = network['provider:segmentation_id']
else:
vlanid = 0
vlan_name = self.get_vlan_name(network,
bigip.hostname)
self._assure_vcmp_device_network(bigip,
vlan={'name': vlan_name,
'folder': network_folder,
'id': vlanid,
'interface': interface,
'network': network})
if self.vcmp_manager and self.vcmp_manager.get_vcmp_host(bigip):
interface = None
model = {'name': vlan_name,
'interface': interface,
'tag': vlanid,
'partition': network_folder,
'description': network['id'],
'route_domain_id': network['route_domain_id']}
self.network_helper.create_vlan(bigip, model)
if self.vlan_binding:
self.vlan_binding.allow_vlan(
device_name=bigip.device_name,
interface=interface,
vlanid=vlanid
)
def _assure_device_network_vxlan(self, network, bigip, partition):
# Ensure bigip has configured vxlan
if not bigip.local_ip:
error_message = 'Cannot create tunnel %s on %s' \
% (network['id'], bigip.hostname)
error_message += ' no VTEP SelfIP defined.'
LOG.error('VXLAN:' + error_message)
raise f5ex.MissingVTEPAddress('VXLAN:' + error_message)
tunnel_name = _get_tunnel_name(network)
# create the main tunnel entry for the fdb records
payload = {'name': tunnel_name,
'partition': partition,
'profile': 'vxlan_ovs',
'key': network['provider:segmentation_id'],
'localAddress': bigip.local_ip,
'description': network['id'],
'route_domain_id': network['route_domain_id']}
LOG.debug("---Creating VXLAN network---")
LOG.debug(payload)
self.network_helper.create_multipoint_tunnel(bigip, payload)
LOG.debug("---VXLAN network Created---")
if self.fdb_connector:
self.fdb_connector.notify_vtep_added(network, bigip.local_ip)
def _assure_device_network_gre(self, network, bigip, partition):
# Ensure bigip has configured gre tunnel
if not bigip.local_ip:
error_message = 'Cannot create tunnel %s on %s' \
% (network['id'], bigip.hostname)
error_message += ' no VTEP SelfIP defined.'
LOG.error('L2GRE:' + error_message)
raise f5ex.MissingVTEPAddress('L2GRE:' + error_message)
tunnel_name = _get_tunnel_name(network)
payload = {'name': tunnel_name,
'partition': partition,
'profile': 'gre_ovs',
'key': network['provider:segmentation_id'],
'localAddress': bigip.local_ip,
'description': network['id'],
'route_domain_id': network['route_domain_id']}
self.network_helper.create_multipoint_tunnel(bigip, payload)
if self.fdb_connector:
self.fdb_connector.notify_vtep_added(network, bigip.local_ip)
def _is_vlan_assoc_with_vcmp_guest(self, bigip, vlan):
if not self.vcmp_manager:
return False
# Is a vlan associated with a vcmp_guest?
try:
vcmp_host = self.vcmp_manager.get_vcmp_host(bigip)
vcmp_guest = self.vcmp_manager.get_vcmp_guest(vcmp_host, bigip)
vlan_list = vcmp_host['bigip'].system.sys_vcmp.get_vlan(
[vcmp_guest['name']])
full_path_vlan_name = '/Common/' + prefixed(vlan['name'])
if full_path_vlan_name in vlan_list[0]:
LOG.debug(('VLAN %s is associated with guest %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
return True
except Exception as exc:
LOG.error(('Exception checking association of VLAN %s '
'to vCMP Guest %s: %s ' %
(vlan['name'], vcmp_guest['mgmt_addr'], exc)))
return False
LOG.debug(('VLAN %s is not associated with guest %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
return False
def _assure_vcmp_device_network(self, bigip, vlan):
# REVISIT FOR VCMP SUPPORT
# For vCMP Guests, add VLAN to vCMP Host, associate VLAN with
# vCMP Guest, and remove VLAN from /Common on vCMP Guest.
if not self.vcmp_manager:
return
vcmp_host = self.vcmp_manager.get_vcmp_host(bigip)
if not vcmp_host:
return
# Create the VLAN on the vCMP Host
try:
model = {'name': vlan['name'],
'partition': '/Common',
'tag': vlan['id'],
'interface': vlan['interface'],
'description': vlan['network']['id'],
'route_domain_id': vlan['network']['route_domain_id']}
self.network_helper.create_vlan(bigip, model)
LOG.debug(('Created VLAN %s on vCMP Host %s' %
(vlan['name'], vcmp_host['bigip'].hostname)))
except Exception as exc:
LOG.error(
('Exception creating VLAN %s on vCMP Host %s:%s' %
(vlan['name'], vcmp_host['bigip'].hostname, exc)))
# Determine if the VLAN is already associated with the vCMP Guest
if self._is_vlan_assoc_with_vcmp_guest(bigip, vlan):
return
# Associate the VLAN with the vCMP Guest
# MSG: bigip.system does not exist
vcmp_guest = self.vcmp_manager.get_vcmp_guest(vcmp_host, bigip)
try:
vlan_seq = vcmp_host['bigip'].system.sys_vcmp.typefactory.\
create('Common.StringSequence')
vlan_seq.values = prefixed(vlan['name'])
vlan_seq_seq = vcmp_host['bigip'].system.sys_vcmp.typefactory.\
create('Common.StringSequenceSequence')
vlan_seq_seq.values = [vlan_seq]
vcmp_host['bigip'].system.sys_vcmp.add_vlan([vcmp_guest['name']],
vlan_seq_seq)
LOG.debug(('Associated VLAN %s with vCMP Guest %s' %
(vlan['name'], vcmp_guest['mgmt_addr'])))
except Exception as exc:
LOG.error(('Exception associating VLAN %s to vCMP Guest %s: %s '
% (vlan['name'], vcmp_guest['mgmt_addr'], exc)))
# Wait for the VLAN to propagate to /Common on vCMP Guest
full_path_vlan_name = '/Common/' + prefixed(vlan['name'])
vlan_created = False
v = bigip.net.vlans.vlan
try:
for _ in range(0, 30):
if v.exists(name=vlan['name'], partition='/Common'):
v.load(name=vlan['name'], partition='/Common')
vlan_created = True
break
LOG.debug(('Wait for VLAN %s to be created on vCMP Guest %s.'
% (full_path_vlan_name, vcmp_guest['mgmt_addr'])))
# sleep(1)
if vlan_created:
LOG.debug(('VLAN %s exists on vCMP Guest %s.' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
else:
LOG.error(('VLAN %s does not exist on vCMP Guest %s.' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
except Exception as exc:
LOG.error(('Exception waiting for vCMP Host VLAN %s to '
'be created on vCMP Guest %s: %s' %
(vlan['name'], vcmp_guest['mgmt_addr'], exc)))
# Delete the VLAN from the /Common folder on the vCMP Guest
if vlan_created:
try:
v.delete()
LOG.debug(('Deleted VLAN %s from vCMP Guest %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
except Exception as exc:
LOG.error(
('Exception deleting VLAN %s from vCMP Guest %s: %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'], exc)))
def delete_bigip_network(self, bigip, network):
# Delete network on bigip
if network['id'] in self.conf.common_network_ids:
LOG.debug('skipping delete of common network %s'
% network['id'])
return
if self.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.service_adapter.get_folder_name(
network['tenant_id'])
if network['provider:network_type'] == 'vlan':
self._delete_device_vlan(bigip, network, network_folder)
elif network['provider:network_type'] == 'flat':
self._delete_device_flat(bigip, network, network_folder)
elif network['provider:network_type'] == 'vxlan':
self._delete_device_vxlan(bigip, network, network_folder)
elif network['provider:network_type'] == 'gre':
self._delete_device_gre(bigip, network, network_folder)
else:
LOG.error('Unsupported network type %s. Can not delete.'
% network['provider:network_type'])
if network['id'] in bigip.assured_networks:
bigip.assured_networks.remove(network['id'])
def _delete_device_vlan(self, bigip, network, network_folder):
# Delete tagged vlan on specific bigip
vlan_name = self.get_vlan_name(network,
bigip.hostname)
self.network_helper.delete_vlan(
bigip,
vlan_name,
partition=network_folder
)
if self.vlan_binding:
interface = self.interface_mapping['default']
tagged = self.tagging_mapping['default']
vlanid = 0
# Do we have host specific mappings?
net_key = network['provider:physical_network']
if net_key + ':' + bigip.hostname in \
self.interface_mapping:
interface = self.interface_mapping[
net_key + ':' + bigip.hostname]
tagged = self.tagging_mapping[
net_key + ':' + bigip.hostname]
# Do we have a mapping for this network
elif net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
tagged = self.tagging_mapping[net_key]
if tagged:
vlanid = network['provider:segmentation_id']
else:
vlanid = 0
self.vlan_binding.prune_vlan(
device_name=bigip.device_name,
interface=interface,
vlanid=vlanid
)
self._delete_vcmp_device_network(bigip, vlan_name)
def _delete_device_flat(self, bigip, network, network_folder):
# Delete untagged vlan on specific bigip
vlan_name = self.get_vlan_name(network,
bigip.hostname)
self.network_helper.delete_vlan(
bigip,
vlan_name,
partition=network_folder
)
self._delete_vcmp_device_network(bigip, vlan_name)
def _delete_device_vxlan(self, bigip, network, network_folder):
# Delete vxlan tunnel on specific bigip
tunnel_name = _get_tunnel_name(network)
self.network_helper.delete_all_fdb_entries(
bigip,
tunnel_name,
partition=network_folder)
self.network_helper.delete_tunnel(
bigip,
tunnel_name,
partition=network_folder)
if self.fdb_connector:
self.fdb_connector.notify_vtep_removed(network, bigip.local_ip)
def _delete_device_gre(self, bigip, network, network_folder):
# Delete gre tunnel on specific bigip
tunnel_name = _get_tunnel_name(network)
self.network_helper.delete_all_fdb_entries(
bigip,
tunnel_name,
partition=network_folder)
self.network_helper.delete_tunnel(
bigip,
tunnel_name,
partition=network_folder)
if self.fdb_connector:
self.fdb_connector.notify_vtep_removed(network, bigip.local_ip)
def _delete_vcmp_device_network(self, bigip, vlan_name):
# For vCMP Guests, disassociate VLAN from vCMP Guest and
# delete VLAN from vCMP Host.
if not self.vcmp_manager:
return
vcmp_host = self.vcmp_manager.get_vcmp_host(bigip)
if not vcmp_host:
return
# Remove VLAN association from the vCMP Guest
vcmp_guest = self.vcmp_manager.get_vcmp_guest(vcmp_host, bigip)
try:
# REVISIT: the extra attributes in vcmp bigips need to be
# worked on.
vlan_seq = vcmp_host['bigip'].system.sys_vcmp.typefactory.\
create('Common.StringSequence')
vlan_seq.values = prefixed(vlan_name)
vlan_seq_seq = vcmp_host['bigip'].system.sys_vcmp.typefactory.\
create('Common.StringSequenceSequence')
vlan_seq_seq.values = [vlan_seq]
vcmp_host['bigip'].system.sys_vcmp.remove_vlan(
[vcmp_guest['name']], vlan_seq_seq)
LOG.debug(('Removed VLAN %s association from vCMP Guest %s' %
(vlan_name, vcmp_guest['mgmt_addr'])))
except Exception as exc:
LOG.error(('Exception removing VLAN %s association from vCMP '
'Guest %s:%s' %
(vlan_name, vcmp_guest['mgmt_addr'], exc)))
# Only delete VLAN if it is not in use by other vCMP Guests
if self.vcmp_manager.get_vlan_use_count(vcmp_host, vlan_name):
LOG.debug(('VLAN %s in use by other vCMP Guests on vCMP Host %s' %
(vlan_name, vcmp_host['bigip'].hostname)))
return
# Delete VLAN from vCMP Host. This will fail if any other vCMP Guest
# is using this VLAN
try:
self.network_helper.delete_vlan(
vcmp_host['bigip'],
vlan_name)
LOG.debug(('Deleted VLAN %s from vCMP Host %s' %
(vlan_name, vcmp_host['bigip'].hostname)))
except Exception as exc:
LOG.error(('Exception deleting VLAN %s from vCMP Host %s:%s' %
(vlan_name, vcmp_host['bigip'].icontrol.hostname, exc)))
def add_bigip_fdbs(self, bigip, net_folder, fdb_info, vteps_by_type):
# Add fdb records for a mac/ip with specified vteps
network = fdb_info['network']
net_type = network['provider:network_type']
vteps_key = net_type + '_vteps'
if vteps_key in vteps_by_type:
vteps = vteps_by_type[vteps_key]
if net_type == 'gre':
self.add_gre_fdbs(bigip, net_folder, fdb_info, vteps)
elif net_type == 'vxlan':
self.add_vxlan_fdbs(bigip, net_folder, fdb_info, vteps)
def add_gre_fdbs(self, bigip, net_folder, fdb_info, vteps):
# Add gre fdb records
network = fdb_info['network']
ip_address = fdb_info['ip_address']
mac_address = fdb_info['mac_address']
tunnel_name = _get_tunnel_name(network)
for vtep in vteps:
if mac_address:
mac_addr = mac_address
else:
mac_addr = _get_tunnel_fake_mac(network, vtep)
# REVISIT(Rich Browne) caller must provide folder and not tenant_id
self.network_helper.add_fdb_entry(
bigip,
tunnel_name=tunnel_name,
partition=net_folder,
mac_address=mac_addr,
vtep_ip_address=vtep,
arp_ip_address=ip_address)
def add_vxlan_fdbs(self, bigip, net_folder, fdb_info, vteps):
# Add vxlan fdb records
network = fdb_info['network']
ip_address = fdb_info['ip_address']
mac_address = fdb_info['mac_address']
tunnel_name = _get_tunnel_name(network)
for vtep in vteps:
if mac_address:
mac_addr = mac_address
else:
mac_addr = _get_tunnel_fake_mac(network, vtep)
# REVISIT caller must provide folder and not tenant_id
self.network_helper.add_fdb_entry(
bigip,
tunnel_name=tunnel_name,
partition=net_folder,
mac_address=mac_addr,
vtep_ip_address=vtep,
arp_ip_address=ip_address)
def delete_bigip_fdbs(self, bigip, net_folder, fdb_info, vteps_by_type):
# Delete fdb records for a mac/ip with specified vteps
network = fdb_info['network']
net_type = network['provider:network_type']
vteps_key = net_type + '_vteps'
if vteps_key in vteps_by_type:
vteps = vteps_by_type[vteps_key]
if net_type == 'gre':
self.delete_gre_fdbs(bigip, net_folder, fdb_info, vteps)
elif net_type == 'vxlan':
self.delete_vxlan_fdbs(bigip, net_folder, fdb_info, vteps)
def delete_gre_fdbs(self, bigip, net_folder, fdb_info, vteps):
# delete gre fdb records
network = fdb_info['network']
ip_address = fdb_info['ip_address']
mac_address = fdb_info['mac_address']
tunnel_name = _get_tunnel_name(network)
for vtep in vteps:
if mac_address:
mac_addr = mac_address
else:
mac_addr = _get_tunnel_fake_mac(network, vtep)
self.network_helper.delete_fdb_entry(
bigip,
tunnel_name=tunnel_name,
mac_address=mac_addr,
arp_ip_address=ip_address,
partition=net_folder)
def delete_vxlan_fdbs(self, bigip, net_folder, fdb_info, vteps):
# delete vxlan fdb records
network = fdb_info['network']
ip_address = fdb_info['ip_address']
mac_address = fdb_info['mac_address']
tunnel_name = _get_tunnel_name(network)
for vtep in vteps:
if mac_address:
mac_addr = mac_address
else:
mac_addr = _get_tunnel_fake_mac(network, vtep)
self.network_helper.delete_fdb_entry(
bigip,
tunnel_name=tunnel_name,
mac_address=mac_addr,
arp_ip_address=ip_address,
partition=net_folder)
def add_bigip_fdb(self, bigip, fdb):
# Add entries from the fdb relevant to the bigip
for fdb_operation in \
[{'network_type': 'vxlan',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.add_fdb_entries},
{'network_type': 'gre',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.add_fdb_entries}]:
self._operate_bigip_fdb(bigip, fdb, fdb_operation)
def _operate_bigip_fdb(self, bigip, fdb, fdb_operation):
"""Add L2 records for MAC addresses behind tunnel endpoints.
Description of fdb structure:
{'<network_id>':
'segment_id': <int>
'ports': [ '<vtep>': ['<mac_address>': '<ip_address>'] ]
'<network_id>':
'segment_id':
'ports': [ '<vtep>': ['<mac_address>': '<ip_address>'] ] }
Sample real fdb structure:
{u'45bbbce1-191b-4f7b-84c5-54c6c8243bd2':
{u'segment_id': 1008,
u'ports':
{u'10.30.30.2': [[u'00:00:00:00:00:00', u'0.0.0.0'],
[u'fa:16:3e:3d:7b:7f', u'10.10.1.4']]},
u'network_type': u'vxlan'}}
"""
network_type = fdb_operation['network_type']
get_tunnel_folder = fdb_operation['get_tunnel_folder']
fdb_method = fdb_operation['fdb_method']
for network in fdb:
net_fdb = fdb[network]
if net_fdb['network_type'] == network_type:
net = {'name': network,
'provider:network_type': net_fdb['network_type'],
'provider:segmentation_id': net_fdb['segment_id']}
tunnel_name = _get_tunnel_name(net)
folder = get_tunnel_folder(bigip, tunnel_name=tunnel_name)
net_info = {'network': network,
'folder': folder,
'tunnel_name': tunnel_name,
'net_fdb': net_fdb}
fdbs = self._get_bigip_network_fdbs(bigip, net_info)
if len(fdbs) > 0:
fdb_method(fdb_entries=fdbs)
def _get_bigip_network_fdbs(self, bigip, net_info):
# Get network fdb entries to add to a bigip
if not net_info['folder']:
return {}
net_fdb = net_info['net_fdb']
fdbs = {}
for vtep in net_fdb['ports']:
# bigip does not need to set fdb entries for local addresses
if vtep == bigip.local_ip:
continue
# most net_info applies to the vtep
vtep_info = dict(net_info)
# but the network fdb is too broad so delete it
del vtep_info['net_fdb']
# use a slice of the fdb for the vtep instead
vtep_info['vtep'] = vtep
vtep_info['fdb_entries'] = net_fdb['ports'][vtep]
self._merge_vtep_fdbs(vtep_info, fdbs)
return fdbs
def _merge_vtep_fdbs(self, vtep_info, fdbs):
# Add L2 records for a specific network+vtep
folder = vtep_info['folder']
tunnel_name = vtep_info['tunnel_name']
for entry in vtep_info['fdb_entries']:
mac_address = entry[0]
if mac_address == '00:00:00:00:00:00':
continue
ip_address = entry[1]
# create/get tunnel data
if tunnel_name not in fdbs:
fdbs[tunnel_name] = {}
tunnel_fdbs = fdbs[tunnel_name]
# update tunnel folder
tunnel_fdbs['folder'] = folder
# maybe create records for tunnel
if 'records' not in tunnel_fdbs:
tunnel_fdbs['records'] = {}
# add entry to records map keyed by mac address
tunnel_fdbs['records'][mac_address] = \
{'endpoint': vtep_info['vtep'], 'ip_address': ip_address}
def update_bigip_fdb(self, bigip, fdb):
# Update l2 records
self.add_bigip_fdb(bigip, fdb)
def remove_bigip_fdb(self, bigip, fdb):
# Add L2 records for MAC addresses behind tunnel endpoints
for fdb_operation in \
[{'network_type': 'vxlan',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.delete_fdb_entries},
{'network_type': 'gre',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.delete_fdb_entries}]:
self._operate_bigip_fdb(bigip, fdb, fdb_operation)
# Utilities
def get_network_name(self, bigip, network):
# This constructs a name for a tunnel or vlan interface
preserve_network_name = False
if network['id'] in self.conf.common_network_ids:
network_name = self.conf.common_network_ids[network['id']]
preserve_network_name = True
elif network['provider:network_type'] == 'vlan':
network_name = self.get_vlan_name(network,
bigip.hostname)
elif network['provider:network_type'] == 'flat':
network_name = self.get_vlan_name(network,
bigip.hostname)
elif network['provider:network_type'] == 'vxlan':
network_name = _get_tunnel_name(network)
elif network['provider:network_type'] == 'gre':
network_name = _get_tunnel_name(network)
else:
error_message = 'Unsupported network type %s.' \
% network['provider:network_type'] + \
' Cannot setup selfip or snat.'
LOG.error(error_message)
raise f5ex.InvalidNetworkType(error_message)
return network_name, preserve_network_name
class BigipSelfIpManager(object):
def __init__(self, driver, l2_service, l3_binding):
self.driver = driver
self.l2_service = l2_service
self.l3_binding = l3_binding
self.selfip_manager = BigIPResourceHelper(ResourceType.selfip)
self.network_helper = NetworkHelper()
def _create_bigip_selfip(self, bigip, model):
created = False
if self.selfip_manager.exists(bigip,
name=model['name'],
partition=model['partition']):
created = True
else:
try:
self.selfip_manager.create(bigip, model)
created = True
except HTTPError as err:
if (err.response.status_code == 400 and err.response.text.find(
"must be one of the vlans "
"in the associated route domain") > 0):
try:
self.network_helper.add_vlan_to_domain(
bigip,
name=model['vlan'],
partition=model['partition'])
self.selfip_manager.create(bigip, model)
created = True
except HTTPError as err:
LOG.exception("Error creating selfip %s. "
"Repsponse status code: %s. "
"Response message: %s." %
(model["name"], err.response.status_code,
err.message))
raise f5_ex.SelfIPCreationException("selfip")
else:
LOG.exception("selfip creation error: %s(%s)" %
(err.message, err.response.status_code))
raise
except Exception as err:
LOG.error("Failed to create selfip")
LOG.exception(err.message)
raise f5_ex.SelfIPCreationException("selfip creation")
return created
def assure_bigip_selfip(self, bigip, service, subnetinfo):
u"""Ensure the BigIP has a selfip address on the tenant subnet."""
network = None
subnet = None
if 'network' in subnetinfo:
network = subnetinfo['network']
if 'subnet' in subnetinfo:
subnet = subnetinfo['subnet']
if not network or not subnet:
LOG.error('Attempted to create selfip and snats '
'for network with not id...')
raise KeyError("network and subnet need to be specified")
tenant_id = service['loadbalancer']['tenant_id']
lb_id = service['loadbalancer']['id']
# If we have already assured this subnet.. return.
# Note this cache is periodically cleared in order to
# force assurance that the configuration is present.
if tenant_id in bigip.assured_tenant_snat_subnets and \
subnet['id'] in bigip.assured_tenant_snat_subnets[tenant_id]:
return True
selfip_address = self._get_bigip_selfip_address(bigip, subnet, lb_id)
if 'route_domain_id' not in network:
LOG.error("network route domain is not set")
raise KeyError()
selfip_address += '%' + str(network['route_domain_id'])
if self.l2_service.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.driver.service_adapter.\
get_folder_name(service['loadbalancer']['tenant_id'])
# Get the name of the vlan.
(network_name, preserve_network_name) = \
self.l2_service.get_network_name(bigip, network)
netmask = netaddr.IPNetwork(subnet['cidr']).prefixlen
address = selfip_address + ("/%d" % netmask)
model = {
"name": "local-" + bigip.device_name + "-" + subnet['id'],
"address": address,
"vlan": network_name,
"floating": "disabled",
"partition": network_folder
}
self._create_bigip_selfip(bigip, model)
if self.l3_binding:
self.l3_binding.bind_address(subnet_id=subnet['id'],
ip_address=selfip_address)
def _get_bigip_selfip_address(self, bigip, subnet, device_id):
u"""Ensure a selfip address is allocated on Neutron network."""
# Get ip address for selfip to use on BIG-IP.
if self.driver.conf.unlegacy_setting_placeholder:
LOG.debug('setting vnic_type to normal instead of baremetal')
vnic_type = "normal"
else:
vnic_type = "baremetal"
selfip_address = ""
selfip_name = "local-" + bigip.device_name + "-" + subnet['id']
ports = self.driver.plugin_rpc.get_port_by_name(port_name=selfip_name)
if len(ports) > 0:
port = ports[0]
else:
port = self.driver.plugin_rpc.create_port_on_subnet(
subnet_id=subnet['id'],
mac_address=None,
name=selfip_name,
fixed_address_count=1,
device_id=device_id,
vnic_type=vnic_type)
if port and 'fixed_ips' in port:
fixed_ip = port['fixed_ips'][0]
selfip_address = fixed_ip['ip_address']
return selfip_address
def assure_gateway_on_subnet(self, bigip, subnetinfo, traffic_group):
"""Ensure """
network = None
subnet = None
if 'network' in subnetinfo:
network = subnetinfo['network']
if 'subnet' in subnetinfo:
subnet = subnetinfo['subnet']
if not network or not subnet:
raise KeyError("network and subnet must be specified to create "
"gateway on subnet.")
if not subnet['gateway_ip']:
raise KeyError("attempting to create gateway on subnet without "
"gateway ip address specified.")
if subnet['id'] in bigip.assured_gateway_subnets:
return True
(network_name, preserve_network_name) = \
self.l2_service.get_network_name(bigip, network)
if self.l2_service.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.driver.service_adapter.\
get_folder_name(subnet['tenant_id'])
# Create a floating SelfIP for the given traffic-group.
floating_selfip_name = "gw-" + subnet['id']
netmask = netaddr.IPNetwork(subnet['cidr']).prefixlen
address = subnet['gateway_ip'] + "%" + str(network['route_domain_id'])
address += ("/%d" % (netmask))
model = {
'name': floating_selfip_name,
'address': address,
'vlan': network_name,
'floating': True,
'traffic-group': traffic_group,
'partition': network_folder
}
if not self._create_bigip_selfip(bigip, model):
LOG.error("failed to create gateway selfip")
if self.l3_binding:
self.l3_binding.bind_address(subnet_id=subnet['id'],
ip_address=subnet['gateway_ip'])
# Setup a wild card ip forwarding virtual service for this subnet
gw_name = "gw-" + subnet['id']
vs = bigip.tm.ltm.virtuals.virtual
if not vs.exists(name=gw_name, partition=network_folder):
try:
vs.create(name=gw_name,
partition=network_folder,
destination='0.0.0.0:0',
mask='0.0.0.0',
vlansEnabled=True,
vlans=[network_name],
sourceAddressTranslation={'type': 'automap'},
ipForward=True)
except Exception as err:
LOG.exception(err)
raise f5_ex.VirtualServerCreationException(
"Failed to create gateway virtual service on subnet %s",
subnet['id'])
# Put the virtual server address in the specified traffic group
virtual_address = bigip.tm.ltm.virtual_address_s.virtual_address
try:
obj = virtual_address.load(name='0.0.0.0',
partition=network_folder)
obj.modify(trafficGroup=traffic_group)
except Exception as err:
LOG.exception(err)
raise f5_ex.VirtualServerCreationException(
"Failed to add virtual address to traffic group %s",
traffic_group)
bigip.assured_gateway_subnets.append(subnet['id'])
def delete_gateway_on_subnet(self, bigip, subnetinfo):
network = None
subnet = None
if 'network' in subnetinfo:
network = subnetinfo['network']
if 'subnet' in subnetinfo:
subnet = subnetinfo['subnet']
if not network or not subnet:
LOG.error('Attempted to create selfip and snats '
'for network with no id...')
raise KeyError("network and subnet must be specified")
if not subnet['gateway_ip']:
raise KeyError("attempting to create gateway on subnet without "
"gateway ip address specified.")
if self.l2_service.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.driver.service_adapter.\
get_folder_name(subnet['tenant_id'])
if self.driver.conf.f5_populate_static_arp:
self.network_helper.arp_delete_by_subnet(
bigip,
partition=network_folder,
subnet=subnetinfo['subnet']['cidr'],
mask=None)
floating_selfip_name = "gw-" + subnet['id']
self.delete_selfip(bigip, floating_selfip_name, network_folder)
if self.l3_binding:
self.l3_binding.unbind_address(subnet_id=subnet['id'],
ip_address=subnet['gateway_ip'])
gw_name = "gw-" + subnet['id']
vs = bigip.tm.ltm.virtuals.virtual
try:
if vs.exists(name=gw_name, partition=network_folder):
obj = vs.load(name=gw_name, partition=network_folder)
obj.delete()
except Exception as err:
LOG.exception(err)
raise f5_ex.VirtualServerDeleteException(
"Failed to delete gateway service on subnet %s", subnet['id'])
if subnet['id'] in bigip.assured_gateway_subnets:
bigip.assured_gateway_subnets.remove(subnet['id'])
return gw_name
def get_selfip_addr(self, bigip, name, partition=const.DEFAULT_PARTITION):
selfip_addr = ""
try:
s = bigip.tm.net.selfips.selfip
if s.exists(name=name, partition=partition):
obj = s.load(name=name, partition=partition)
# The selfip address on BigIP is actually a network,
# parse out the address portion.
if obj.address:
(selfip_addr, netbits) = obj.address.split("/")
except HTTPError as err:
LOG.exception("Error getting selfip address for %s. "
"Repsponse status code: %s. Response "
"message: %s." %
(name, err.response.status_code, err.message))
except Exception as err:
LOG.exception("Error getting selfip address for %s.", name)
return selfip_addr
def get_selfips(self,
bigip,
partition=const.DEFAULT_PARTITION,
vlan_name=None):
selfips_list = []
if vlan_name:
if not vlan_name.startswith('/'):
vlan_name = "/%s/%s" % (partition, vlan_name)
params = {'params': get_filter(bigip, 'partition', 'eq', partition)}
try:
selfips_list = [
selfip for selfip in bigip.tm.net.selfips.get_collection(
requests_params=params)
if vlan_name == selfip.vlan or not vlan_name
]
except HTTPError as err:
LOG.exception("Error getting selfips for vlan(%s). "
"Response status code: %s. "
"Response message: %s." %
(vlan_name, err.response.status_code, err.message))
raise f5_ex.SelfIPQueryException(
"Failed to get selfips assigned to vlan")
return selfips_list
def delete_selfip(self, bigip, name, partition=const.DEFAULT_PARTITION):
"""Delete the selfip if it exists."""
try:
s = bigip.tm.net.selfips.selfip
if s.exists(name=name, partition=partition):
obj = s.load(name=name, partition=partition)
obj.delete()
except HTTPError as err:
LOG.exception("Error deleting selfip %s. "
"Response status code: %s. Response "
"message: %s." %
(name, err.response.status_code, err.message))
raise f5_ex.SelfIPDeleteException("Failed to delete selfip %s." %
name)
except Exception as err:
raise f5_ex.SelfIPDeleteException("Failed to delete selfip %s." %
name)
class BigipTenantManager(object):
"""Create network connectivity for a bigip."""
def __init__(self, conf, driver): # XXX maybe we need a better name: conf
"""Create a BigipTenantManager."""
self.conf = conf
self.driver = driver
self.system_helper = SystemHelper()
self.network_helper = NetworkHelper()
self.service_adapter = self.driver.service_adapter
def assure_tenant_created(self, service):
"""Create tenant partition.
This method modifies its argument 'service' in place.
This method adds a 'traffic_group" key to the service
dict with a value of traffic_group_string_id. But aren't
traffic_groups a bigIP device concept? And wasn't (until
this method was called) the service object a configuration
entirely defined by neutron? Also for neutron->device
adaptations shouldn't we be using ServiceModelAdapter... though I
suppose this is the other way.
"""
tenant_id = service['loadbalancer']['tenant_id']
traffic_group = self.driver.service_to_traffic_group(service)
traffic_group = '/Common/' + traffic_group
service["traffic_group"] = traffic_group # modify the passed dict
# create tenant folder
folder_name = self.service_adapter.get_folder_name(tenant_id)
LOG.debug("Creating tenant folder %s" % folder_name)
for bigip in self.driver.get_config_bigips():
if not self.system_helper.folder_exists(bigip, folder_name):
folder = self.service_adapter.get_folder(service)
# This folder is a dict config obj, that can be passed to
# folder.create in the SDK
try:
self.system_helper.create_folder(bigip, folder)
except Exception as err:
# XXX Maybe we can make this more specific?
LOG.exception("Error creating folder %s" %
(folder))
raise f5ex.SystemCreationException(
"Folder creation error for tenant %s" %
(tenant_id))
if not self.driver.disconnected_service.network_exists(
bigip, folder_name):
try:
self.driver.disconnected_service.create_network(
bigip, folder_name)
except Exception as err:
LOG.exception("Error creating disconnected network %s." %
(folder_name))
raise f5ex.SystemCreationException(
"Disconnected network create error for tenant %s" %
(tenant_id))
# create tenant route domain
if self.conf.use_namespaces:
for bigip in self.driver.get_all_bigips():
if not self.network_helper.route_domain_exists(bigip,
folder_name):
try:
self.network_helper.create_route_domain(
bigip,
folder_name,
self.conf.f5_route_domain_strictness)
except Exception as err:
LOG.exception(err.message)
raise f5ex.RouteDomainCreationException(
"Failed to create route domain for "
"tenant in %s" % (folder_name))
def assure_tenant_cleanup(self, service, all_subnet_hints):
"""Delete tenant partition."""
# Called for every bigip only in replication mode,
# otherwise called once.
for bigip in self.driver.get_config_bigips():
subnet_hints = all_subnet_hints[bigip.device_name]
self._assure_bigip_tenant_cleanup(bigip, service, subnet_hints)
# called for every bigip only in replication mode.
# otherwise called once
def _assure_bigip_tenant_cleanup(self, bigip, service, subnet_hints):
tenant_id = service['loadbalancer']['tenant_id']
self._remove_tenant_replication_mode(bigip, tenant_id)
def _remove_tenant_replication_mode(self, bigip, tenant_id):
# Remove tenant in replication sync-mode
partition = self.service_adapter.get_folder_name(tenant_id)
domain_names = self.network_helper.get_route_domain_names(bigip,
partition)
for domain_name in domain_names:
try:
self.network_helper.delete_route_domain(bigip,
partition,
domain_name)
except Exception as err:
LOG.error("Failed to delete route domain %s. "
"%s. Manual intervention might be required."
% (domain_name, err.message))
if self.driver.disconnected_service.network_exists(
bigip, partition):
try:
self.driver.disconnected_service.delete_network(bigip,
partition)
except Exception as err:
LOG.error("Failed to delete disconnected network %s. "
"%s. Manual intervention might be required."
% (partition, err.message))
try:
self.system_helper.delete_folder(bigip, partition)
except Exception as err:
LOG.error(
"Folder deletion exception for tenant partition %s occurred."
% tenant_id)
LOG.exception("%s" % err.message)
raise f5ex.SystemDeleteException(
"Failed to destroy folder %s manual cleanup might be "
"required." % partition)
class L2ServiceBuilder(object):
def __init__(self, driver, f5_global_routed_mode):
self.conf = driver.conf
self.driver = driver
self.f5_global_routed_mode = f5_global_routed_mode
self.vlan_binding = None
self.fdb_connector = None
self.interface_mapping = {}
self.tagging_mapping = {}
self.system_helper = SystemHelper()
self.network_helper = NetworkHelper()
self.service_adapter = ServiceModelAdapter(self.conf)
if not f5_global_routed_mode:
self.fdb_connector = FDBConnectorML2(self.conf)
if self.conf.vlan_binding_driver:
try:
self.vlan_binding = importutils.import_object(
self.conf.vlan_binding_driver, self.conf, self)
except ImportError:
LOG.error('Failed to import VLAN binding driver: %s'
% self.conf.vlan_binding_driver)
raise
# map format is phynet:interface:tagged
for maps in self.conf.f5_external_physical_mappings:
intmap = maps.split(':')
net_key = str(intmap[0]).strip()
if len(intmap) > 3:
net_key = net_key + ':' + str(intmap[3]).strip()
self.interface_mapping[net_key] = str(intmap[1]).strip()
self.tagging_mapping[net_key] = str(intmap[2]).strip()
LOG.debug('physical_network %s = interface %s, tagged %s'
% (net_key, intmap[1], intmap[2]))
def initialize_vcmp_manager(self):
'''Intialize the vCMP manager when the driver is ready.'''
self.vcmp_manager = VcmpManager(self.driver)
def post_init(self):
if self.vlan_binding:
LOG.debug(
'Getting BIG-IP device interface for VLAN Binding')
self.vlan_binding.register_bigip_interfaces()
def tunnel_sync(self, tunnel_ips):
if self.fdb_connector:
self.fdb_connector.advertise_tunnel_ips(tunnel_ips)
def set_tunnel_rpc(self, tunnel_rpc):
# Provide FDB Connector with ML2 RPC access
if self.fdb_connector:
self.fdb_connector.set_tunnel_rpc(tunnel_rpc)
def set_l2pop_rpc(self, l2pop_rpc):
# Provide FDB Connector with ML2 RPC access
if self.fdb_connector:
self.fdb_connector.set_l2pop_rpc(l2pop_rpc)
def set_context(self, context):
if self.fdb_connector:
self.fdb_connector.set_context(context)
def is_common_network(self, network):
"""Returns True if this belongs in the /Common folder
This object method will return positive if the L2ServiceBuilder object
should be stored under the Common partition on the BIG-IP.
"""
return network['shared'] or \
self.conf.f5_common_networks or \
(network['id'] in self.conf.common_network_ids) or \
('router:external' in network and
network['router:external'] and
self.conf.f5_common_external_networks)
def get_vlan_name(self, network, hostname):
# Construct a consistent vlan name
net_key = network['provider:physical_network']
net_type = network['provider:network_type']
# look for host specific interface mapping
if net_key and net_key + ':' + hostname in self.interface_mapping:
interface = self.interface_mapping[net_key + ':' + hostname]
tagged = self.tagging_mapping[net_key + ':' + hostname]
elif net_key and net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
tagged = self.tagging_mapping[net_key]
else:
interface = self.interface_mapping['default']
tagged = self.tagging_mapping['default']
if tagged:
vlanid = network['provider:segmentation_id']
else:
vlanid = 0
if net_type == "flat":
interface_name = str(interface).replace(".", "-")
if (len(interface_name) > 15):
LOG.warn(
"Interface name is greater than 15 chars in length")
vlan_name = "flat-%s" % (interface_name)
else:
vlan_name = "vlan-%d" % (vlanid)
return vlan_name
def assure_bigip_network(self, bigip, network):
# Ensure bigip has configured network object
if not network:
LOG.error('assure_bigip_network: '
'Attempted to assure a network with no id..skipping.')
return
if network['id'] in bigip.assured_networks:
return
if network['id'] in self.conf.common_network_ids:
LOG.debug('assure_bigip_network: '
'Network is a common global network... skipping.')
return
LOG.debug("assure_bigip_network network: %s" % str(network))
start_time = time()
if self.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.service_adapter.get_folder_name(
network['tenant_id']
)
# setup all needed L2 network segments
if network['provider:network_type'] == 'flat':
network_name = self._assure_device_network_flat(
network, bigip, network_folder)
elif network['provider:network_type'] == 'vlan':
network_name = self._assure_device_network_vlan(
network, bigip, network_folder)
elif network['provider:network_type'] == 'vxlan':
network_name = self._assure_device_network_vxlan(
network, bigip, network_folder)
elif network['provider:network_type'] == 'gre':
network_name = self._assure_device_network_gre(
network, bigip, network_folder)
elif network['provider:network_type'] == 'opflex':
raise f5_ex.NetworkNotReady(
"Opflex network segment definition required")
else:
error_message = 'Unsupported network type %s.' \
% network['provider:network_type'] + \
' Cannot setup network.'
LOG.error(error_message)
raise f5_ex.InvalidNetworkType(error_message)
bigip.assured_networks[network['id']] = network_name
if time() - start_time > .001:
LOG.debug(" assure bigip network took %.5f secs" %
(time() - start_time))
def _assure_device_network_flat(self, network, bigip, network_folder):
# Ensure bigip has configured flat vlan (untagged)
vlan_name = ""
interface = self.interface_mapping['default']
vlanid = 0
# Do we have host specific mappings?
net_key = network['provider:physical_network']
if net_key and net_key + ':' + bigip.hostname in \
self.interface_mapping:
interface = self.interface_mapping[
net_key + ':' + bigip.hostname]
# Do we have a mapping for this network
elif net_key and net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
vlan_name = self.get_vlan_name(network,
bigip.hostname)
self._assure_vcmp_device_network(bigip,
vlan={'name': vlan_name,
'folder': network_folder,
'id': vlanid,
'interface': interface,
'network': network})
if self.vcmp_manager and self.vcmp_manager.get_vcmp_host(bigip):
interface = None
try:
model = {'name': vlan_name,
'interface': interface,
'partition': network_folder,
'description': network['id'],
'route_domain_id': network['route_domain_id']}
self.network_helper.create_vlan(bigip, model)
except Exception as err:
LOG.exception("%s", err.message)
raise f5_ex.VLANCreationException("Failed to create flat network")
return vlan_name
def _assure_device_network_vlan(self, network, bigip, network_folder):
# Ensure bigip has configured tagged vlan
# VLAN names are limited to 64 characters including
# the folder name, so we name them foolish things.
vlan_name = ""
interface = self.interface_mapping['default']
tagged = self.tagging_mapping['default']
# Do we have host specific mappings?
net_key = network['provider:physical_network']
if net_key and net_key + ':' + bigip.hostname in \
self.interface_mapping:
interface = self.interface_mapping[
net_key + ':' + bigip.hostname]
tagged = self.tagging_mapping[
net_key + ':' + bigip.hostname]
# Do we have a mapping for this network
elif net_key and net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
tagged = self.tagging_mapping[net_key]
if tagged:
vlanid = network['provider:segmentation_id']
else:
vlanid = 0
vlan_name = self.get_vlan_name(network,
bigip.hostname)
self._assure_vcmp_device_network(bigip,
vlan={'name': vlan_name,
'folder': network_folder,
'id': vlanid,
'interface': interface,
'network': network})
if self.vcmp_manager and self.vcmp_manager.get_vcmp_host(bigip):
interface = None
try:
model = {'name': vlan_name,
'interface': interface,
'tag': vlanid,
'partition': network_folder,
'description': network['id'],
'route_domain_id': network['route_domain_id']}
self.network_helper.create_vlan(bigip, model)
except Exception as err:
LOG.exception("%s", err.message)
raise f5_ex.VLANCreationException(
"Failed to create vlan: %s" % vlan_name
)
if self.vlan_binding:
self.vlan_binding.allow_vlan(
device_name=bigip.device_name,
interface=interface,
vlanid=vlanid
)
return vlan_name
def _assure_device_network_vxlan(self, network, bigip, partition):
# Ensure bigip has configured vxlan
tunnel_name = ""
if not bigip.local_ip:
error_message = 'Cannot create tunnel %s on %s' \
% (network['id'], bigip.hostname)
error_message += ' no VTEP SelfIP defined.'
LOG.error('VXLAN:' + error_message)
raise f5_ex.MissingVTEPAddress('VXLAN:' + error_message)
tunnel_name = _get_tunnel_name(network)
# create the main tunnel entry for the fdb records
payload = {'name': tunnel_name,
'partition': partition,
'profile': 'vxlan_ovs',
'key': network['provider:segmentation_id'],
'localAddress': bigip.local_ip,
'description': network['id'],
'route_domain_id': network['route_domain_id']}
try:
self.network_helper.create_multipoint_tunnel(bigip, payload)
except Exception as err:
LOG.exception("%s", err.message)
raise f5_ex.VXLANCreationException(
"Failed to create vxlan tunnel: %s" % tunnel_name
)
if self.fdb_connector:
self.fdb_connector.notify_vtep_added(network, bigip.local_ip)
return tunnel_name
def _assure_device_network_gre(self, network, bigip, partition):
tunnel_name = ""
# Ensure bigip has configured gre tunnel
if not bigip.local_ip:
error_message = 'Cannot create tunnel %s on %s' \
% (network['id'], bigip.hostname)
error_message += ' no VTEP SelfIP defined.'
LOG.error('L2GRE:' + error_message)
raise f5_ex.MissingVTEPAddress('L2GRE:' + error_message)
tunnel_name = _get_tunnel_name(network)
payload = {'name': tunnel_name,
'partition': partition,
'profile': 'gre_ovs',
'key': network['provider:segmentation_id'],
'localAddress': bigip.local_ip,
'description': network['id'],
'route_domain_id': network['route_domain_id']}
try:
self.network_helper.create_multipoint_tunnel(bigip, payload)
except Exception as err:
LOG.exception("%s", err.message)
raise f5_ex.VXLANCreationException(
"Failed to create gre tunnel: %s" % tunnel_name
)
if self.fdb_connector:
self.fdb_connector.notify_vtep_added(network, bigip.local_ip)
return tunnel_name
def _assure_vcmp_device_network(self, bigip, vlan):
if not self.vcmp_manager:
return
vcmp_host = self.vcmp_manager.get_vcmp_host(bigip)
if not vcmp_host:
return
# Create the VLAN on the vCMP Host
model = {'name': vlan['name'],
'partition': 'Common',
'tag': vlan['id'],
'interface': vlan['interface'],
'description': vlan['network']['id'],
'route_domain_id': vlan['network']['route_domain_id']}
try:
self.network_helper.create_vlan(vcmp_host['bigip'], model)
LOG.debug(('Created VLAN %s on vCMP Host %s' %
(vlan['name'], vcmp_host['bigip'].hostname)))
except Exception as exc:
LOG.error(
('Exception creating VLAN %s on vCMP Host %s:%s' %
(vlan['name'], vcmp_host['bigip'].hostname, exc)))
# Associate the VLAN with the vCMP Guest, if necessary
self.vcmp_manager.assoc_vlan_with_vcmp_guest(bigip, vlan)
def delete_bigip_network(self, bigip, network):
# Delete network on bigip
if network['id'] in self.conf.common_network_ids:
LOG.debug('skipping delete of common network %s'
% network['id'])
return
if self.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.service_adapter.get_folder_name(
network['tenant_id'])
if network['provider:network_type'] == 'vlan':
self._delete_device_vlan(bigip, network, network_folder)
elif network['provider:network_type'] == 'flat':
self._delete_device_flat(bigip, network, network_folder)
elif network['provider:network_type'] == 'vxlan':
self._delete_device_vxlan(bigip, network, network_folder)
elif network['provider:network_type'] == 'gre':
self._delete_device_gre(bigip, network, network_folder)
elif network['provider:network_type'] == 'opflex':
raise f5_ex.NetworkNotReady(
"Opflex network segment definition required")
else:
LOG.error('Unsupported network type %s. Can not delete.'
% network['provider:network_type'])
if network['id'] in bigip.assured_networks:
del bigip.assured_networks[network['id']]
def _delete_device_vlan(self, bigip, network, network_folder):
# Delete tagged vlan on specific bigip
vlan_name = self.get_vlan_name(network,
bigip.hostname)
try:
self.network_helper.delete_vlan(
bigip,
vlan_name,
partition=network_folder
)
except Exception as err:
LOG.exception(err)
LOG.error(
"Failed to delete vlan: %s" % vlan_name)
if self.vlan_binding:
interface = self.interface_mapping['default']
tagged = self.tagging_mapping['default']
vlanid = 0
# Do we have host specific mappings?
net_key = network['provider:physical_network']
if net_key and net_key + ':' + bigip.hostname in \
self.interface_mapping:
interface = self.interface_mapping[
net_key + ':' + bigip.hostname]
tagged = self.tagging_mapping[
net_key + ':' + bigip.hostname]
# Do we have a mapping for this network
elif net_key and net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
tagged = self.tagging_mapping[net_key]
if tagged:
vlanid = network['provider:segmentation_id']
else:
vlanid = 0
self.vlan_binding.prune_vlan(
device_name=bigip.device_name,
interface=interface,
vlanid=vlanid
)
self._delete_vcmp_device_network(bigip, vlan_name)
def _delete_device_flat(self, bigip, network, network_folder):
# Delete untagged vlan on specific bigip
vlan_name = self.get_vlan_name(network,
bigip.hostname)
try:
self.network_helper.delete_vlan(
bigip,
vlan_name,
partition=network_folder
)
except Exception as err:
LOG.exception(err)
LOG.error(
"Failed to delete vlan: %s" % vlan_name)
self._delete_vcmp_device_network(bigip, vlan_name)
def _delete_device_vxlan(self, bigip, network, network_folder):
# Delete vxlan tunnel on specific bigip
tunnel_name = _get_tunnel_name(network)
try:
self.network_helper.delete_all_fdb_entries(
bigip,
tunnel_name,
partition=network_folder)
self.network_helper.delete_tunnel(
bigip,
tunnel_name,
partition=network_folder)
except Exception as err:
# Just log the exception, we want to continue cleanup
LOG.exception(err)
LOG.error(
"Failed to delete vxlan tunnel: %s" % tunnel_name)
if self.fdb_connector:
self.fdb_connector.notify_vtep_removed(network, bigip.local_ip)
def _delete_device_gre(self, bigip, network, network_folder):
# Delete gre tunnel on specific bigip
tunnel_name = _get_tunnel_name(network)
try:
self.network_helper.delete_all_fdb_entries(
bigip,
tunnel_name,
partition=network_folder)
self.network_helper.delete_tunnel(
bigip,
tunnel_name,
partition=network_folder)
except Exception as err:
# Just log the exception, we want to continue cleanup
LOG.exception(err)
LOG.error(
"Failed to delete gre tunnel: %s" % tunnel_name)
if self.fdb_connector:
self.fdb_connector.notify_vtep_removed(network, bigip.local_ip)
def _delete_vcmp_device_network(self, bigip, vlan_name):
'''Disassociated VLAN with vCMP Guest, then delete it from vCMP Host
:param bigip: ManagementRoot object -- vCMP guest
:param vlan_name: str -- name of vlan
'''
if not self.vcmp_manager:
return
vcmp_host = self.vcmp_manager.get_vcmp_host(bigip)
if not vcmp_host:
return
self.vcmp_manager.disassoc_vlan_with_vcmp_guest(bigip, vlan_name)
def add_bigip_fdb(self, bigip, fdb):
# Add entries from the fdb relevant to the bigip
for fdb_operation in \
[{'network_type': 'vxlan',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.add_fdb_entries},
{'network_type': 'gre',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.add_fdb_entries}]:
self._operate_bigip_fdb(bigip, fdb, fdb_operation)
def _operate_bigip_fdb(self, bigip, fdb, fdb_operation):
"""Add L2 records for MAC addresses behind tunnel endpoints.
Description of fdb structure:
{'<network_id>':
'segment_id': <int>
'ports': [ '<vtep>': ['<mac_address>': '<ip_address>'] ]
'<network_id>':
'segment_id':
'ports': [ '<vtep>': ['<mac_address>': '<ip_address>'] ] }
Sample real fdb structure:
{u'45bbbce1-191b-4f7b-84c5-54c6c8243bd2':
{u'segment_id': 1008,
u'ports':
{u'10.30.30.2': [[u'00:00:00:00:00:00', u'0.0.0.0'],
[u'fa:16:3e:3d:7b:7f', u'10.10.1.4']]},
u'network_type': u'vxlan'}}
"""
network_type = fdb_operation['network_type']
get_tunnel_folder = fdb_operation['get_tunnel_folder']
fdb_method = fdb_operation['fdb_method']
for network in fdb:
net_fdb = fdb[network]
if net_fdb['network_type'] == network_type:
net = {'name': network,
'provider:network_type': net_fdb['network_type'],
'provider:segmentation_id': net_fdb['segment_id']}
tunnel_name = _get_tunnel_name(net)
folder = get_tunnel_folder(bigip, tunnel_name=tunnel_name)
net_info = {'network': network,
'folder': folder,
'tunnel_name': tunnel_name,
'net_fdb': net_fdb}
fdbs = self._get_bigip_network_fdbs(bigip, net_info)
if len(fdbs) > 0:
fdb_method(bigip, fdb_entries=fdbs)
def _get_bigip_network_fdbs(self, bigip, net_info):
# Get network fdb entries to add to a bigip
if not net_info['folder']:
return {}
net_fdb = net_info['net_fdb']
fdbs = {}
for vtep in net_fdb['ports']:
# bigip does not need to set fdb entries for local addresses
if vtep == bigip.local_ip:
continue
# most net_info applies to the vtep
vtep_info = dict(net_info)
# but the network fdb is too broad so delete it
del vtep_info['net_fdb']
# use a slice of the fdb for the vtep instead
vtep_info['vtep'] = vtep
vtep_info['fdb_entries'] = net_fdb['ports'][vtep]
self._merge_vtep_fdbs(vtep_info, fdbs)
return fdbs
def _merge_vtep_fdbs(self, vtep_info, fdbs):
# Add L2 records for a specific network+vtep
folder = vtep_info['folder']
tunnel_name = vtep_info['tunnel_name']
for entry in vtep_info['fdb_entries']:
mac_address = entry[0]
if mac_address == '00:00:00:00:00:00':
continue
ip_address = entry[1]
# create/get tunnel data
if tunnel_name not in fdbs:
fdbs[tunnel_name] = {}
tunnel_fdbs = fdbs[tunnel_name]
# update tunnel folder
tunnel_fdbs['folder'] = folder
# maybe create records for tunnel
if 'records' not in tunnel_fdbs:
tunnel_fdbs['records'] = {}
# add entry to records map keyed by mac address
tunnel_fdbs['records'][mac_address] = \
{'endpoint': vtep_info['vtep'], 'ip_address': ip_address}
def update_bigip_fdb(self, bigip, fdb):
# Update l2 records
self.add_bigip_fdb(bigip, fdb)
def remove_bigip_fdb(self, bigip, fdb):
# Add L2 records for MAC addresses behind tunnel endpoints
for fdb_operation in \
[{'network_type': 'vxlan',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.delete_fdb_entries},
{'network_type': 'gre',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.delete_fdb_entries}]:
self._operate_bigip_fdb(bigip, fdb, fdb_operation)
# Utilities
def get_network_name(self, bigip, network):
# This constructs a name for a tunnel or vlan interface
preserve_network_name = False
if network['id'] in self.conf.common_network_ids:
network_name = self.conf.common_network_ids[network['id']]
preserve_network_name = True
elif network['provider:network_type'] == 'vlan':
network_name = self.get_vlan_name(network,
bigip.hostname)
elif network['provider:network_type'] == 'flat':
network_name = self.get_vlan_name(network,
bigip.hostname)
elif network['provider:network_type'] == 'vxlan':
network_name = _get_tunnel_name(network)
elif network['provider:network_type'] == 'gre':
network_name = _get_tunnel_name(network)
else:
error_message = 'Unsupported network type %s.' \
% network['provider:network_type'] + \
' Cannot setup selfip or snat.'
LOG.error(error_message)
raise f5_ex.InvalidNetworkType(error_message)
return network_name, preserve_network_name
def _get_network_folder(self, network):
if self.is_common_network(network):
return 'Common'
else:
return self.service_adapter.get_folder_name(network['tenant_id'])
def add_fdb_entries(self, bigips, loadbalancer, members):
"""Update fdb entries for loadbalancer and member VTEPs.
:param bigips: one or more BIG-IPs to update.
:param loadbalancer: Loadbalancer with VTEPs to update. Can be None.
:param members: List of members. Can be emtpy ([]).
"""
tunnel_records = self.create_fdb_records(loadbalancer, members)
if tunnel_records:
for bigip in bigips:
self.network_helper.add_fdb_entries(bigip,
fdb_entries=tunnel_records)
def delete_fdb_entries(self, bigips, loadbalancer, members):
"""Remove fdb entries for loadbalancer and member VTEPs.
:param bigips: one or more BIG-IPs to update.
:param loadbalancer: Loadbalancer with VTEPs to remove. Can be None.
:param members: List of members. Can be emtpy ([]).
"""
tunnel_records = self.create_fdb_records(loadbalancer, members)
if tunnel_records:
for bigip in bigips:
self.network_helper.delete_fdb_entries(
bigip,
fdb_entries=tunnel_records)
def create_fdb_records(self, loadbalancer, members):
fdbs = dict()
if loadbalancer:
network = loadbalancer['network']
tunnel_name = _get_tunnel_name(network)
fdbs[tunnel_name] = dict()
fdbs[tunnel_name]['folder'] = self._get_network_folder(network)
records = dict()
fdbs[tunnel_name]['records'] = records
self.append_loadbalancer_fdb_records(
network, loadbalancer, records)
for member in members:
network = member['network']
tunnel_name = _get_tunnel_name(network)
if tunnel_name not in fdbs:
fdbs[tunnel_name] = dict()
fdbs[tunnel_name]['folder'] = self._get_network_folder(network)
fdbs[tunnel_name]['records'] = dict()
records = fdbs[tunnel_name]['records']
if 'port' in member and 'mac_address' in member['port']:
mac_addr = member['port']['mac_address']
self.append_member_fdb_records(network,
member,
records,
mac_addr,
ip_address=member['address'])
return fdbs
def append_loadbalancer_fdb_records(self, network, loadbalancer, records):
vteps = _get_vteps(network, loadbalancer)
for vtep in vteps:
# create an arbitrary MAC address for VTEP
mac_addr = _get_tunnel_fake_mac(network, vtep)
records[mac_addr] = {'endpoint': vtep, 'ip_address': ''}
def append_member_fdb_records(self, network, member, records,
mac_addr, ip_address=''):
vteps = _get_vteps(network, member)
for vtep in vteps:
records[mac_addr] = {'endpoint': vtep,
'ip_address': ip_address}
def __init__(self, driver, l2_service, l3_binding):
self.driver = driver
self.l2_service = l2_service
self.l3_binding = l3_binding
self.selfip_manager = BigIPResourceHelper(ResourceType.selfip)
self.network_helper = NetworkHelper()
class BigipSelfIpManager(object):
def __init__(self, driver, l2_service, l3_binding):
self.driver = driver
self.l2_service = l2_service
self.l3_binding = l3_binding
self.selfip_manager = BigIPResourceHelper(ResourceType.selfip)
self.network_helper = NetworkHelper()
def _create_bigip_selfip(self, bigip, model):
created = False
if self.selfip_manager.exists(bigip, name=model['name'],
partition=model['partition']):
created = True
else:
try:
self.selfip_manager.create(bigip, model)
created = True
except HTTPError as err:
if (err.response.status_code == 400 and
err.response.text.find(
"must be one of the vlans "
"in the associated route domain") > 0):
try:
self.network_helper.add_vlan_to_domain(
bigip,
name=model['vlan'],
partition=model['partition'])
self.selfip_manager.create(bigip, model)
created = True
except HTTPError as err:
LOG.exception("Error creating selfip %s. "
"Repsponse status code: %s. "
"Response message: %s." % (
model["name"],
err.response.status_code,
err.message))
raise f5_ex.SelfIPCreationException("selfip")
else:
LOG.exception("selfip creation error: %s(%s)" %
(err.message, err.response.status_code))
raise
except Exception as err:
LOG.error("Failed to create selfip")
LOG.exception(err.message)
raise f5_ex.SelfIPCreationException("selfip creation")
return created
def assure_bigip_selfip(self, bigip, service, subnetinfo):
u"""Ensure the BigIP has a selfip address on the tenant subnet."""
network = None
subnet = None
if 'network' in subnetinfo:
network = subnetinfo['network']
if 'subnet' in subnetinfo:
subnet = subnetinfo['subnet']
if not network or not subnet:
LOG.error('Attempted to create selfip and snats '
'for network with not id...')
raise KeyError("network and subnet need to be specified")
tenant_id = service['loadbalancer']['tenant_id']
lb_id = service['loadbalancer']['id']
# If we have already assured this subnet.. return.
# Note this cache is periodically cleared in order to
# force assurance that the configuration is present.
if tenant_id in bigip.assured_tenant_snat_subnets and \
subnet['id'] in bigip.assured_tenant_snat_subnets[tenant_id]:
return True
selfip_address = self._get_bigip_selfip_address(bigip, subnet, lb_id)
if 'route_domain_id' not in network:
LOG.error("network route domain is not set")
raise KeyError()
selfip_address += '%' + str(network['route_domain_id'])
if self.l2_service.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.driver.service_adapter.\
get_folder_name(service['loadbalancer']['tenant_id'])
# Get the name of the vlan.
(network_name, preserve_network_name) = \
self.l2_service.get_network_name(bigip, network)
netmask = netaddr.IPNetwork(subnet['cidr']).prefixlen
address = selfip_address + ("/%d" % netmask)
model = {
"name": "local-" + bigip.device_name + "-" + subnet['id'],
"address": address,
"vlan": network_name,
"floating": "disabled",
"partition": network_folder
}
self._create_bigip_selfip(bigip, model)
if self.l3_binding:
self.l3_binding.bind_address(subnet_id=subnet['id'],
ip_address=selfip_address)
def _get_bigip_selfip_address(self, bigip, subnet, device_id):
u"""Ensure a selfip address is allocated on Neutron network."""
# Get ip address for selfip to use on BIG-IP.
selfip_address = ""
selfip_name = "local-" + bigip.device_name + "-" + subnet['id']
ports = self.driver.plugin_rpc.get_port_by_name(port_name=selfip_name)
if len(ports) > 0:
port = ports[0]
else:
port = self.driver.plugin_rpc.create_port_on_subnet(
subnet_id=subnet['id'],
mac_address=None,
name=selfip_name,
fixed_address_count=1,
device_id=device_id
)
if port and 'fixed_ips' in port:
fixed_ip = port['fixed_ips'][0]
selfip_address = fixed_ip['ip_address']
return selfip_address
def assure_gateway_on_subnet(self, bigip, subnetinfo, traffic_group):
"""Ensure """
network = None
subnet = None
if 'network' in subnetinfo:
network = subnetinfo['network']
if 'subnet' in subnetinfo:
subnet = subnetinfo['subnet']
if not network or not subnet:
raise KeyError("network and subnet must be specified to create "
"gateway on subnet.")
if not subnet['gateway_ip']:
raise KeyError("attempting to create gateway on subnet without "
"gateway ip address specified.")
if subnet['id'] in bigip.assured_gateway_subnets:
return True
(network_name, preserve_network_name) = \
self.l2_service.get_network_name(bigip, network)
if self.l2_service.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.driver.service_adapter.\
get_folder_name(subnet['tenant_id'])
# Create a floating SelfIP for the given traffic-group.
floating_selfip_name = "gw-" + subnet['id']
netmask = netaddr.IPNetwork(subnet['cidr']).prefixlen
address = subnet['gateway_ip'] + "%" + str(network['route_domain_id'])
address += ("/%d" % (netmask))
model = {
'name': floating_selfip_name,
'address': address,
'vlan': network_name,
'floating': True,
'traffic-group': traffic_group,
'partition': network_folder
}
if not self._create_bigip_selfip(bigip, model):
LOG.error("failed to create gateway selfip")
if self.l3_binding:
self.l3_binding.bind_address(subnet_id=subnet['id'],
ip_address=subnet['gateway_ip'])
# Setup a wild card ip forwarding virtual service for this subnet
gw_name = "gw-" + subnet['id']
vs = bigip.tm.ltm.virtuals.virtual
if not vs.exists(name=gw_name, partition=network_folder):
try:
vs.create(
name=gw_name,
partition=network_folder,
destination='0.0.0.0:0',
mask='0.0.0.0',
vlansEnabled=True,
vlans=[network_name],
sourceAddressTranslation={'type': 'automap'},
ipForward=True
)
except Exception as err:
LOG.exception(err)
raise f5_ex.VirtualServerCreationException(
"Failed to create gateway virtual service on subnet %s",
subnet['id']
)
# Put the virtual server address in the specified traffic group
virtual_address = bigip.tm.ltm.virtual_address_s.virtual_address
try:
obj = virtual_address.load(
name='0.0.0.0', partition=network_folder)
obj.modify(trafficGroup=traffic_group)
except Exception as err:
LOG.exception(err)
raise f5_ex.VirtualServerCreationException(
"Failed to add virtual address to traffic group %s",
traffic_group)
bigip.assured_gateway_subnets.append(subnet['id'])
def delete_gateway_on_subnet(self, bigip, subnetinfo):
network = None
subnet = None
if 'network' in subnetinfo:
network = subnetinfo['network']
if 'subnet' in subnetinfo:
subnet = subnetinfo['subnet']
if not network or not subnet:
LOG.error('Attempted to create selfip and snats '
'for network with no id...')
raise KeyError("network and subnet must be specified")
if not subnet['gateway_ip']:
raise KeyError("attempting to create gateway on subnet without "
"gateway ip address specified.")
if self.l2_service.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.driver.service_adapter.\
get_folder_name(subnet['tenant_id'])
if self.driver.conf.f5_populate_static_arp:
self.network_helper.arp_delete_by_subnet(
bigip,
partition=network_folder,
subnet=subnetinfo['subnet']['cidr'],
mask=None
)
floating_selfip_name = "gw-" + subnet['id']
self.delete_selfip(
bigip, floating_selfip_name, network_folder)
if self.l3_binding:
self.l3_binding.unbind_address(subnet_id=subnet['id'],
ip_address=subnet['gateway_ip'])
gw_name = "gw-" + subnet['id']
vs = bigip.tm.ltm.virtuals.virtual
try:
if vs.exists(name=gw_name, partition=network_folder):
obj = vs.load(name=gw_name, partition=network_folder)
obj.delete()
except Exception as err:
LOG.exception(err)
raise f5_ex.VirtualServerDeleteException(
"Failed to delete gateway service on subnet %s", subnet['id'])
if subnet['id'] in bigip.assured_gateway_subnets:
bigip.assured_gateway_subnets.remove(subnet['id'])
return gw_name
def get_selfip_addr(self, bigip, name, partition=const.DEFAULT_PARTITION):
selfip_addr = ""
try:
s = bigip.tm.net.selfips.selfip
if s.exists(name=name, partition=partition):
obj = s.load(name=name, partition=partition)
# The selfip address on BigIP is actually a network,
# parse out the address portion.
if obj.address:
(selfip_addr, netbits) = obj.address.split("/")
except HTTPError as err:
LOG.exception("Error getting selfip address for %s. "
"Repsponse status code: %s. Response "
"message: %s." % (name,
err.response.status_code,
err.message))
except Exception as err:
LOG.exception("Error getting selfip address for %s.",
name)
return selfip_addr
def get_selfips(self, bigip, partition=const.DEFAULT_PARTITION,
vlan_name=None):
selfips_list = []
if vlan_name:
if not vlan_name.startswith('/'):
vlan_name = "/%s/%s" % (partition, vlan_name)
params = {'params': get_filter(bigip, 'partition', 'eq', partition)}
try:
selfips_list = [selfip for selfip in
bigip.tm.net.selfips.get_collection(
requests_params=params
)
if vlan_name == selfip.vlan or not vlan_name]
except HTTPError as err:
LOG.exception("Error getting selfips for vlan(%s). "
"Response status code: %s. "
"Response message: %s." % (
vlan_name,
err.response.status_code,
err.message))
raise f5_ex.SelfIPQueryException(
"Failed to get selfips assigned to vlan")
return selfips_list
def delete_selfip(self, bigip, name, partition=const.DEFAULT_PARTITION):
"""Delete the selfip if it exists."""
try:
s = bigip.tm.net.selfips.selfip
if s.exists(name=name, partition=partition):
obj = s.load(name=name, partition=partition)
obj.delete()
except HTTPError as err:
LOG.exception("Error deleting selfip %s. "
"Response status code: %s. Response "
"message: %s." % (name,
err.response.status_code,
err.message))
raise f5_ex.SelfIPDeleteException(
"Failed to delete selfip %s." % name)
except Exception as err:
raise f5_ex.SelfIPDeleteException(
"Failed to delete selfip %s." % name)
def network_helper(self, bigip):
nh = NetworkHelper()
nh.get_route_domain_by_id = mock.MagicMock(
return_value=bigip.tm.net.route_domains.route_domain)
return nh
def __init__(self):
self.network_name = DisconnectedService.network_name
self.network_helper = NetworkHelper()
import pytest
import requests
from requests.packages.urllib3.exceptions import InsecureRequestWarning
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
from f5_openstack_agent.lbaasv2.drivers.bigip.network_helper import \
NetworkHelper
from f5_openstack_agent.lbaasv2.drivers.bigip.system_helper import \
SystemHelper
from pprint import pprint
from requests.exceptions import HTTPError
network_helper = NetworkHelper()
system_helper = SystemHelper()
default_partition = 'test'
def log_test_call(func):
def wrapper(func, *args, **kwargs):
print("\nRunning %s" % func.func_name)
return func(*args, **kwargs)
return decorator.decorator(wrapper, func)
def delete_resource(resource):
try:
resource.delete()
except HTTPError as err:
class BigipTenantManager(object):
"""Create network connectivity for a bigip."""
def __init__(self, conf, driver): # XXX maybe we need a better name: conf
"""Create a BigipTenantManager."""
self.conf = conf
self.driver = driver
self.system_helper = SystemHelper()
self.network_helper = NetworkHelper()
self.service_adapter = self.driver.service_adapter
def assure_tenant_created(self, service):
"""Create tenant partition.
This method modifies its argument 'service' in place.
This method adds a 'traffic_group" key to the service
dict with a value of traffic_group_string_id. But aren't
traffic_groups a bigIP device concept? And wasn't (until
this method was called) the service object a configuration
entirely defined by neutron? Also for neutron->device
adaptations shouldn't we be using ServiceModelAdapter... though I
suppose this is the other way.
"""
tenant_id = service['loadbalancer']['tenant_id']
traffic_group = self.driver.service_to_traffic_group(service)
traffic_group = '/Common/' + traffic_group
service["traffic_group"] = traffic_group # modify the passed dict
# create tenant folder
folder_name = self.service_adapter.get_folder_name(tenant_id)
LOG.debug("Creating tenant folder %s" % folder_name)
for bigip in self.driver.get_config_bigips():
if not self.system_helper.folder_exists(bigip, folder_name):
folder = self.service_adapter.get_folder(service)
# This folder is a dict config obj, that can be passed to
# folder.create in the SDK
try:
self.system_helper.create_folder(bigip, folder)
except Exception as err:
# XXX Maybe we can make this more specific?
LOG.exception("Error creating folder %s" % (folder))
raise f5ex.SystemCreationException(
"Folder creation error for tenant %s" % (tenant_id))
# create tenant route domain
if self.conf.use_namespaces:
for bigip in self.driver.get_all_bigips():
if not self.network_helper.route_domain_exists(
bigip, folder_name):
try:
self.network_helper.create_route_domain(
bigip, folder_name,
self.conf.f5_route_domain_strictness)
except Exception as err:
LOG.exception(err.message)
raise f5ex.RouteDomainCreationException(
"Failed to create route domain for "
"tenant in %s" % (folder_name))
def assure_tenant_cleanup(self, service, all_subnet_hints):
"""Delete tenant partition."""
# Called for every bigip only in replication mode,
# otherwise called once.
for bigip in self.driver.get_config_bigips():
subnet_hints = all_subnet_hints[bigip.device_name]
self._assure_bigip_tenant_cleanup(bigip, service, subnet_hints)
# called for every bigip only in replication mode.
# otherwise called once
def _assure_bigip_tenant_cleanup(self, bigip, service, subnet_hints):
tenant_id = service['loadbalancer']['tenant_id']
self._remove_tenant_replication_mode(bigip, tenant_id)
def _remove_tenant_replication_mode(self, bigip, tenant_id):
# Remove tenant in replication sync-mode
partition = self.service_adapter.get_folder_name(tenant_id)
domain_names = self.network_helper.get_route_domain_names(
bigip, partition)
for domain_name in domain_names:
try:
self.network_helper.delete_route_domain(
bigip, partition, domain_name)
except Exception as err:
LOG.debug("Failed to delete route domain %s. "
"%s. Manual intervention might be required." %
(domain_name, err.message))
try:
self.system_helper.delete_folder(bigip, partition)
except Exception as err:
LOG.debug(
"Folder deletion exception for tenant partition %s occurred. "
"Manual cleanup might be required." % (tenant_id))
def __init__(self, driver, l2_service, l3_binding):
self.driver = driver
self.l2_service = l2_service
self.l3_binding = l3_binding
self.selfip_manager = BigIPResourceHelper(ResourceType.selfip)
self.network_helper = NetworkHelper()
class BigipSelfIpManager(object):
def __init__(self, driver, l2_service, l3_binding):
self.driver = driver
self.l2_service = l2_service
self.l3_binding = l3_binding
self.selfip_manager = BigIPResourceHelper(ResourceType.selfip)
self.network_helper = NetworkHelper()
def create_bigip_selfip(self, bigip, model):
if not model['name']:
return False
LOG.debug("Getting selfip....")
s = bigip.net.selfips.selfip
if s.exists(name=model['name'], partition=model['partition']):
LOG.debug("It exists!!!!")
return True
try:
LOG.debug("Doesn't exist!!!!")
self.selfip_manager.create(bigip, model)
LOG.debug("CREATED!!!!")
except HTTPError as err:
if err.response.status_code is not 400:
raise
if err.response.text.find("must be one of the vlans "
"in the associated route domain") > 0:
self.network_helper.add_vlan_to_domain(
bigip,
name=model['vlan'],
partition=model['partition'])
try:
self.selfip_manager.create(bigip, model)
except HTTPError as err:
LOG.error("Error creating selfip %s. "
"Repsponse status code: %s. Response "
"message: %s." % (model["name"],
err.response.status_code,
err.message))
def assure_bigip_selfip(self, bigip, service, subnetinfo):
network = subnetinfo['network']
if not network:
LOG.error('Attempted to create selfip and snats '
'for network with no id... skipping.')
return
subnet = subnetinfo['subnet']
tenant_id = service['loadbalancer']['tenant_id']
# If we have already assured this subnet.. return.
# Note this cache is periodically cleared in order to
# force assurance that the configuration is present.
if tenant_id in bigip.assured_tenant_snat_subnets and \
subnet['id'] in bigip.assured_tenant_snat_subnets[tenant_id]:
return
selfip_address = self._get_bigip_selfip_address(bigip, subnet)
# FIXME(Rich Browne): it is possible this is not set unless
# use namespaces is true. I think this method is only called
# in the global_routed_mode == False case though. Need to check
# that network['route_domain_id'] exists.
if 'route_domain_id' not in network:
LOG.debug("NETWORK ROUTE DOMAIN NOT SET")
network['route_domain_id'] = "0"
LOG.debug("route domain id: %s" % network['route_domain_id'])
selfip_address += '%' + str(network['route_domain_id'])
LOG.debug("have selfip address: %s" % selfip_address)
if self.l2_service.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.driver.service_adapter.\
get_folder_name(service['loadbalancer']['tenant_id'])
LOG.debug("getting network name")
(network_name, preserve_network_name) = \
self.l2_service.get_network_name(bigip, network)
LOG.debug("CREATING THE SELFIP--------------------")
netmask = netaddr.IPNetwork(subnet['cidr']).prefixlen
address = selfip_address + ("/%d" % netmask)
model = {
"name": "local-" + bigip.device_name + "-" + subnet['id'],
"address": address,
"vlan": network_name,
"floating": "disabled",
"partition": network_folder
}
LOG.debug("Model: %s" % model)
self.create_bigip_selfip(bigip, model)
# TO DO: we need to only bind the local SelfIP to the
# local device... not treat it as if it was floating
LOG.debug("self ip CREATED!!!!!!")
if self.l3_binding:
self.l3_binding.bind_address(subnet_id=subnet['id'],
ip_address=selfip_address)
def _get_bigip_selfip_address(self, bigip, subnet):
# Get ip address for selfip to use on BIG-IP®.
selfip_name = "local-" + bigip.device_name + "-" + subnet['id']
ports = self.driver.plugin_rpc.get_port_by_name(port_name=selfip_name)
if len(ports) > 0:
port = ports[0]
else:
port = self.driver.plugin_rpc.create_port_on_subnet(
subnet_id=subnet['id'],
mac_address=None,
name=selfip_name,
fixed_address_count=1)
return port['fixed_ips'][0]['ip_address']
def assure_gateway_on_subnet(self, bigip, subnetinfo, traffic_group):
# Called for every bigip only in replication mode.
# Otherwise called once.
subnet = subnetinfo['subnet']
if subnet['id'] in bigip.assured_gateway_subnets:
return
network = subnetinfo['network']
(network_name, preserve_network_name) = \
self.l2_service.get_network_name(bigip, network)
if self.l2_service.is_common_network(network):
network_folder = 'Common'
network_name = '/Common/' + network_name
else:
network_folder = self.driver.service_adapter.\
get_folder_name(subnet['tenant_id'])
# Select a traffic group for the floating SelfIP
floating_selfip_name = "gw-" + subnet['id']
netmask = netaddr.IPNetwork(subnet['cidr']).netmask
model = {
'name': floating_selfip_name,
'ip_address': subnet['gateway_ip'],
'netmask': netmask,
'vlan_name': network_name,
'floating': True,
'traffic_group': traffic_group,
'partition': network_folder,
'preserve_vlan_name': preserve_network_name
}
self.create_bigip_selfip(bigip, model)
if self.l3_binding:
self.l3_binding.bind_address(subnet_id=subnet['id'],
ip_address=subnet['gateway_ip'])
# Setup a wild card ip forwarding virtual service for this subnet
gw_name = "gw-" + subnet['id']
vs = bigip.ltm.virtuals.virtual
if not vs.exists(name=gw_name, partition=network_folder):
vs.create(
name=gw_name,
partition=network_folder,
destination='0.0.0.0:0',
mask='0.0.0.0',
vlansEnabled=True,
vlans=[network_name],
sourceAddressTranslation={'type': 'automap'},
ipForward=True
)
else:
vs.load(name=gw_name, partition=network_folder)
virtual_address = bigip.ltm.virtual_address_s.virtual_address
virtual_address.load(name='0.0.0.0:0', partition=network_folder)
virtual_address.update(trafficGroup=traffic_group)
bigip.assured_gateway_subnets.append(subnet['id'])
def delete_gateway_on_subnet(self, bigip, subnetinfo):
# Called for every bigip only in replication mode.
# Otherwise called once.
network = subnetinfo['network']
if not network:
LOG.error('Attempted to delete default gateway '
'for network with no id... skipping.')
return
subnet = subnetinfo['subnet']
if self.l2_service.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.driver.service_adapter.\
get_folder_name(subnet['tenant_id'])
floating_selfip_name = "gw-" + subnet['id']
if self.driver.conf.f5_populate_static_arp:
self.network_helper.arp_delete_by_subnet(
bigip,
partition=network_folder,
subnet=subnetinfo['subnet']['cidr'],
mask=None
)
self.network_helper.delete_selfip(
bigip, floating_selfip_name, network_folder)
if self.l3_binding:
self.l3_binding.unbind_address(subnet_id=subnet['id'],
ip_address=subnet['gateway_ip'])
gw_name = "gw-" + subnet['id']
vs = bigip.ltm.virtuals.virtual
if vs.exists(name=gw_name, partition=network_folder):
vs.load(name=gw_name, partition=network_folder)
vs.delete()
if subnet['id'] in bigip.assured_gateway_subnets:
bigip.assured_gateway_subnets.remove(subnet['id'])
return gw_name
class L2ServiceBuilder(object):
def __init__(self, conf, f5_global_routed_mode):
self.conf = conf
self.f5_global_routed_mode = f5_global_routed_mode
self.vlan_binding = None
self.fdb_connector = None
self.vcmp_manager = None
self.interface_mapping = {}
self.tagging_mapping = {}
self.system_helper = SystemHelper()
self.network_helper = NetworkHelper()
self.service_adapter = ServiceModelAdapter(conf)
if not f5_global_routed_mode:
self.fdb_connector = FDBConnectorML2(conf)
if self.conf.vlan_binding_driver:
try:
self.vlan_binding = importutils.import_object(
self.conf.vlan_binding_driver, self.conf, self)
except ImportError:
LOG.error('Failed to import VLAN binding driver: %s' %
self.conf.vlan_binding_driver)
# map format is phynet:interface:tagged
for maps in self.conf.f5_external_physical_mappings:
intmap = maps.split(':')
net_key = str(intmap[0]).strip()
if len(intmap) > 3:
net_key = net_key + ':' + str(intmap[3]).strip()
self.interface_mapping[net_key] = str(intmap[1]).strip()
self.tagging_mapping[net_key] = str(intmap[2]).strip()
LOG.debug('physical_network %s = interface %s, tagged %s' %
(net_key, intmap[1], intmap[2]))
def post_init(self):
if self.vlan_binding:
LOG.debug('Getting BIG-IP device interface for VLAN Binding')
self.vlan_binding.register_bigip_interfaces()
def tunnel_sync(self, tunnel_ips):
if self.fdb_connector:
self.fdb_connector.advertise_tunnel_ips(tunnel_ips)
def set_tunnel_rpc(self, tunnel_rpc):
# Provide FDB Connector with ML2 RPC access
if self.fdb_connector:
self.fdb_connector.set_tunnel_rpc(tunnel_rpc)
def set_l2pop_rpc(self, l2pop_rpc):
# Provide FDB Connector with ML2 RPC access
if self.fdb_connector:
self.fdb_connector.set_l2pop_rpc(l2pop_rpc)
def set_context(self, context):
if self.fdb_connector:
self.fdb_connector.set_context(context)
def is_common_network(self, network):
# Does this network belong in the /Common folder?
return network['shared'] or \
(network['id'] in self.conf.common_network_ids) or \
('router:external' in network and
network['router:external'] and
self.conf.f5_common_external_networks)
def get_vlan_name(self, network, hostname):
segment = self._get_segment(network, 'vlan')
# Construct a consistent vlan name
net_key = segment['provider:physical_network']
# look for host specific interface mapping
if net_key + ':' + hostname in self.interface_mapping:
interface = self.interface_mapping[net_key + ':' + hostname]
tagged = self.tagging_mapping[net_key + ':' + hostname]
# look for specific interface mapping
elif net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
tagged = self.tagging_mapping[net_key]
# use default mapping
else:
interface = self.interface_mapping['default']
tagged = self.tagging_mapping['default']
if tagged:
vlanid = segment['provider:segmentation_id']
else:
vlanid = 0
# vlan_name = "vlan-" + \
# str(interface).replace(".", "-") + \
# "-" + str(vlanid)
# if len(vlan_name) > 15:
# vlan_name = 'vlan-tr-' + str(vlanid)
vlan_name = 'vlan-' + network['id'][0:10]
return vlan_name
def assure_bigip_network(self, bigip, network):
segment = self._get_segment(network, 'vlan')
# Ensure bigip has configured network object
if not network:
LOG.error(' assure_bigip_network: '
'Attempted to assure a network with no id..skipping.')
return
if network['id'] in bigip.assured_networks:
return
if network['id'] in self.conf.common_network_ids:
LOG.debug(' assure_bigip_network: '
'Network is a common global network... skipping.')
return
LOG.debug(" assure_bigip_network network: %s" % str(network))
start_time = time()
if self.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.service_adapter.get_folder_name(
network['tenant_id'])
# setup all needed L2 network segments
if segment['provider:network_type'] == 'flat':
self._assure_device_network_flat(network, bigip, network_folder)
elif segment['provider:network_type'] == 'vlan':
self._assure_device_network_vlan(network, bigip, network_folder)
elif segment['provider:network_type'] == 'vxlan':
self._assure_device_network_vxlan(network, bigip, network_folder)
elif segment['provider:network_type'] == 'gre':
self._assure_device_network_gre(network, bigip, network_folder)
else:
error_message = 'Unsupported network type %s.' \
% segment['provider:network_type'] + \
' Cannot setup network.'
LOG.error(error_message)
raise f5ex.InvalidNetworkType(error_message)
bigip.assured_networks.append(network['id'])
if time() - start_time > .001:
LOG.debug(" assure bigip network took %.5f secs" %
(time() - start_time))
def _assure_device_network_flat(self, network, bigip, network_folder):
segment = self._get_segment(network, 'vlan')
# Ensure bigip has configured flat vlan (untagged)
interface = self.interface_mapping['default']
vlanid = 0
# Do we have host specific mappings?
net_key = segment['provider:physical_network']
if net_key + ':' + bigip.hostname in \
self.interface_mapping:
interface = self.interface_mapping[net_key + ':' + bigip.hostname]
# Do we have a mapping for this network
elif net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
vlan_name = self.get_vlan_name(network, bigip.hostname)
# TODO(Rich Browne): Implementation with VCMP
self._assure_vcmp_device_network(bigip,
vlan={
'name': vlan_name,
'folder': network_folder,
'id': vlanid,
'interface': interface,
'network': network
})
if self.vcmp_manager and self.vcmp_manager.get_vcmp_host(bigip):
interface = None
model = {
'name': vlan_name,
'interface': interface,
'partition': network_folder,
'description': network['id'],
'route_domain_id': network['route_domain_id']
}
self.network_helper.create_vlan(bigip, model)
def _assure_device_network_vlan(self, network, bigip, network_folder):
segment = self._get_segment(network, 'vlan')
# Ensure bigip has configured tagged vlan
# VLAN names are limited to 64 characters including
# the folder name, so we name them foolish things.
interface = self.interface_mapping['default']
tagged = self.tagging_mapping['default']
# Do we have host specific mappings?
net_key = segment['provider:physical_network']
if net_key + ':' + bigip.hostname in \
self.interface_mapping:
interface = self.interface_mapping[net_key + ':' + bigip.hostname]
tagged = self.tagging_mapping[net_key + ':' + bigip.hostname]
# Do we have a mapping for this network
elif net_key in self.interface_mapping:
LOG.error('*****************')
interface = self.interface_mapping[net_key]
tagged = self.tagging_mapping[net_key]
LOG.error(interface)
LOG.error(tagged)
if tagged:
vlanid = segment['provider:segmentation_id']
else:
vlanid = 0
vlan_name = self.get_vlan_name(network, bigip.hostname)
self._assure_vcmp_device_network(bigip,
vlan={
'name': vlan_name,
'folder': network_folder,
'id': vlanid,
'interface': interface,
'network': network
})
if self.vcmp_manager and self.vcmp_manager.get_vcmp_host(bigip):
interface = None
model = {
'name': vlan_name,
'interface': interface,
'tag': vlanid,
'partition': network_folder,
'description': network['id'],
'route_domain_id': network['route_domain_id']
}
LOG.error('*****************')
LOG.error(network)
LOG.error(model)
self.network_helper.create_vlan(bigip, model)
if self.vlan_binding:
self.vlan_binding.allow_vlan(device_name=bigip.device_name,
interface=interface,
vlanid=vlanid)
def _assure_device_network_vxlan(self, network, bigip, partition):
# Ensure bigip has configured vxlan
if not bigip.local_ip:
error_message = 'Cannot create tunnel %s on %s' \
% (network['id'], bigip.hostname)
error_message += ' no VTEP SelfIP defined.'
LOG.error('VXLAN:' + error_message)
raise f5ex.MissingVTEPAddress('VXLAN:' + error_message)
tunnel_name = _get_tunnel_name(network)
# create the main tunnel entry for the fdb records
payload = {
'name': tunnel_name,
'partition': partition,
'profile': 'vxlan_ovs',
'key': network['provider:segmentation_id'],
'localAddress': bigip.local_ip,
'description': network['id'],
'route_domain_id': network['route_domain_id']
}
LOG.debug("---Creating VXLAN network---")
LOG.debug(payload)
self.network_helper.create_multipoint_tunnel(bigip, payload)
LOG.debug("---VXLAN network Created---")
if self.fdb_connector:
self.fdb_connector.notify_vtep_added(network, bigip.local_ip)
def _assure_device_network_gre(self, network, bigip, partition):
# Ensure bigip has configured gre tunnel
if not bigip.local_ip:
error_message = 'Cannot create tunnel %s on %s' \
% (network['id'], bigip.hostname)
error_message += ' no VTEP SelfIP defined.'
LOG.error('L2GRE:' + error_message)
raise f5ex.MissingVTEPAddress('L2GRE:' + error_message)
tunnel_name = _get_tunnel_name(network)
payload = {
'name': tunnel_name,
'partition': partition,
'profile': 'gre_ovs',
'key': network['provider:segmentation_id'],
'localAddress': bigip.local_ip,
'description': network['id'],
'route_domain_id': network['route_domain_id']
}
self.network_helper.create_multipoint_tunnel(bigip, payload)
if self.fdb_connector:
self.fdb_connector.notify_vtep_added(network, bigip.local_ip)
def _is_vlan_assoc_with_vcmp_guest(self, bigip, vlan):
if not self.vcmp_manager:
return False
# Is a vlan associated with a vcmp_guest?
try:
vcmp_host = self.vcmp_manager.get_vcmp_host(bigip)
vcmp_guest = self.vcmp_manager.get_vcmp_guest(vcmp_host, bigip)
vlan_list = vcmp_host['bigip'].system.sys_vcmp.get_vlan(
[vcmp_guest['name']])
full_path_vlan_name = '/Common/' + prefixed(vlan['name'])
if full_path_vlan_name in vlan_list[0]:
LOG.debug(('VLAN %s is associated with guest %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
return True
except Exception as exc:
LOG.error(('Exception checking association of VLAN %s '
'to vCMP Guest %s: %s ' %
(vlan['name'], vcmp_guest['mgmt_addr'], exc)))
return False
LOG.debug(('VLAN %s is not associated with guest %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
return False
def _assure_vcmp_device_network(self, bigip, vlan):
# REVISIT FOR VCMP SUPPORT
# For vCMP Guests, add VLAN to vCMP Host, associate VLAN with
# vCMP Guest, and remove VLAN from /Common on vCMP Guest.
if not self.vcmp_manager:
return
vcmp_host = self.vcmp_manager.get_vcmp_host(bigip)
if not vcmp_host:
return
# Create the VLAN on the vCMP Host
try:
model = {
'name': vlan['name'],
'partition': '/Common',
'tag': vlan['id'],
'interface': vlan['interface'],
'description': vlan['network']['id'],
'route_domain_id': vlan['network']['route_domain_id']
}
self.network_helper.create_vlan(bigip, model)
LOG.debug(('Created VLAN %s on vCMP Host %s' %
(vlan['name'], vcmp_host['bigip'].hostname)))
except Exception as exc:
LOG.error(('Exception creating VLAN %s on vCMP Host %s:%s' %
(vlan['name'], vcmp_host['bigip'].hostname, exc)))
# Determine if the VLAN is already associated with the vCMP Guest
if self._is_vlan_assoc_with_vcmp_guest(bigip, vlan):
return
# Associate the VLAN with the vCMP Guest
# MSG: bigip.system does not exist
vcmp_guest = self.vcmp_manager.get_vcmp_guest(vcmp_host, bigip)
try:
vlan_seq = vcmp_host['bigip'].system.sys_vcmp.typefactory.\
create('Common.StringSequence')
vlan_seq.values = prefixed(vlan['name'])
vlan_seq_seq = vcmp_host['bigip'].system.sys_vcmp.typefactory.\
create('Common.StringSequenceSequence')
vlan_seq_seq.values = [vlan_seq]
vcmp_host['bigip'].system.sys_vcmp.add_vlan([vcmp_guest['name']],
vlan_seq_seq)
LOG.debug(('Associated VLAN %s with vCMP Guest %s' %
(vlan['name'], vcmp_guest['mgmt_addr'])))
except Exception as exc:
LOG.error(('Exception associating VLAN %s to vCMP Guest %s: %s ' %
(vlan['name'], vcmp_guest['mgmt_addr'], exc)))
# Wait for the VLAN to propagate to /Common on vCMP Guest
full_path_vlan_name = '/Common/' + prefixed(vlan['name'])
vlan_created = False
v = bigip.net.vlans.vlan
try:
for _ in range(0, 30):
if v.exists(name=vlan['name'], partition='/Common'):
v.load(name=vlan['name'], partition='/Common')
vlan_created = True
break
LOG.debug(('Wait for VLAN %s to be created on vCMP Guest %s.' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
# sleep(1)
if vlan_created:
LOG.debug(('VLAN %s exists on vCMP Guest %s.' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
else:
LOG.error(('VLAN %s does not exist on vCMP Guest %s.' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
except Exception as exc:
LOG.error(('Exception waiting for vCMP Host VLAN %s to '
'be created on vCMP Guest %s: %s' %
(vlan['name'], vcmp_guest['mgmt_addr'], exc)))
# Delete the VLAN from the /Common folder on the vCMP Guest
if vlan_created:
try:
v.delete()
LOG.debug(('Deleted VLAN %s from vCMP Guest %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
except Exception as exc:
LOG.error(
('Exception deleting VLAN %s from vCMP Guest %s: %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'], exc)))
def delete_bigip_network(self, bigip, network):
segment = self._get_segment(network, 'vlan')
# Delete network on bigip
if network['id'] in self.conf.common_network_ids:
LOG.debug('skipping delete of common network %s' % network['id'])
return
if self.is_common_network(network):
network_folder = 'Common'
else:
network_folder = self.service_adapter.get_folder_name(
network['tenant_id'])
if segment['provider:network_type'] == 'vlan':
self._delete_device_vlan(bigip, network, network_folder)
elif segment['provider:network_type'] == 'flat':
self._delete_device_flat(bigip, network, network_folder)
elif segment['provider:network_type'] == 'vxlan':
self._delete_device_vxlan(bigip, network, network_folder)
elif segment['provider:network_type'] == 'gre':
self._delete_device_gre(bigip, network, network_folder)
else:
LOG.error('Unsupported network type %s. Can not delete.' %
network['provider:network_type'])
if network['id'] in bigip.assured_networks:
bigip.assured_networks.remove(network['id'])
def _delete_device_vlan(self, bigip, network, network_folder):
# Delete tagged vlan on specific bigip
vlan_name = self.get_vlan_name(network, bigip.hostname)
self.network_helper.delete_vlan(bigip,
vlan_name,
partition=network_folder)
if self.vlan_binding:
interface = self.interface_mapping['default']
tagged = self.tagging_mapping['default']
vlanid = 0
# Do we have host specific mappings?
net_key = network['provider:physical_network']
if net_key + ':' + bigip.hostname in \
self.interface_mapping:
interface = self.interface_mapping[net_key + ':' +
bigip.hostname]
tagged = self.tagging_mapping[net_key + ':' + bigip.hostname]
# Do we have a mapping for this network
elif net_key in self.interface_mapping:
interface = self.interface_mapping[net_key]
tagged = self.tagging_mapping[net_key]
if tagged:
vlanid = network['provider:segmentation_id']
else:
vlanid = 0
self.vlan_binding.prune_vlan(device_name=bigip.device_name,
interface=interface,
vlanid=vlanid)
self._delete_vcmp_device_network(bigip, vlan_name)
def _delete_device_flat(self, bigip, network, network_folder):
# Delete untagged vlan on specific bigip
vlan_name = self.get_vlan_name(network, bigip.hostname)
self.network_helper.delete_vlan(bigip,
vlan_name,
partition=network_folder)
self._delete_vcmp_device_network(bigip, vlan_name)
def _delete_device_vxlan(self, bigip, network, network_folder):
# Delete vxlan tunnel on specific bigip
tunnel_name = _get_tunnel_name(network)
self.network_helper.delete_all_fdb_entries(bigip,
tunnel_name,
partition=network_folder)
self.network_helper.delete_tunnel(bigip,
tunnel_name,
partition=network_folder)
if self.fdb_connector:
self.fdb_connector.notify_vtep_removed(network, bigip.local_ip)
def _delete_device_gre(self, bigip, network, network_folder):
# Delete gre tunnel on specific bigip
tunnel_name = _get_tunnel_name(network)
self.network_helper.delete_all_fdb_entries(bigip,
tunnel_name,
partition=network_folder)
self.network_helper.delete_tunnel(bigip,
tunnel_name,
partition=network_folder)
if self.fdb_connector:
self.fdb_connector.notify_vtep_removed(network, bigip.local_ip)
def _delete_vcmp_device_network(self, bigip, vlan_name):
# For vCMP Guests, disassociate VLAN from vCMP Guest and
# delete VLAN from vCMP Host.
if not self.vcmp_manager:
return
vcmp_host = self.vcmp_manager.get_vcmp_host(bigip)
if not vcmp_host:
return
# Remove VLAN association from the vCMP Guest
vcmp_guest = self.vcmp_manager.get_vcmp_guest(vcmp_host, bigip)
try:
# REVISIT: the extra attributes in vcmp bigips need to be
# worked on.
vlan_seq = vcmp_host['bigip'].system.sys_vcmp.typefactory.\
create('Common.StringSequence')
vlan_seq.values = prefixed(vlan_name)
vlan_seq_seq = vcmp_host['bigip'].system.sys_vcmp.typefactory.\
create('Common.StringSequenceSequence')
vlan_seq_seq.values = [vlan_seq]
vcmp_host['bigip'].system.sys_vcmp.remove_vlan(
[vcmp_guest['name']], vlan_seq_seq)
LOG.debug(('Removed VLAN %s association from vCMP Guest %s' %
(vlan_name, vcmp_guest['mgmt_addr'])))
except Exception as exc:
LOG.error(
('Exception removing VLAN %s association from vCMP '
'Guest %s:%s' % (vlan_name, vcmp_guest['mgmt_addr'], exc)))
# Only delete VLAN if it is not in use by other vCMP Guests
if self.vcmp_manager.get_vlan_use_count(vcmp_host, vlan_name):
LOG.debug(('VLAN %s in use by other vCMP Guests on vCMP Host %s' %
(vlan_name, vcmp_host['bigip'].hostname)))
return
# Delete VLAN from vCMP Host. This will fail if any other vCMP Guest
# is using this VLAN
try:
self.network_helper.delete_vlan(vcmp_host['bigip'], vlan_name)
LOG.debug(('Deleted VLAN %s from vCMP Host %s' %
(vlan_name, vcmp_host['bigip'].hostname)))
except Exception as exc:
LOG.error(('Exception deleting VLAN %s from vCMP Host %s:%s' %
(vlan_name, vcmp_host['bigip'].icontrol.hostname, exc)))
def add_bigip_fdbs(self, bigip, net_folder, fdb_info, vteps_by_type):
# Add fdb records for a mac/ip with specified vteps
network = fdb_info['network']
net_type = network['provider:network_type']
vteps_key = net_type + '_vteps'
if vteps_key in vteps_by_type:
vteps = vteps_by_type[vteps_key]
if net_type == 'gre':
self.add_gre_fdbs(bigip, net_folder, fdb_info, vteps)
elif net_type == 'vxlan':
self.add_vxlan_fdbs(bigip, net_folder, fdb_info, vteps)
def add_gre_fdbs(self, bigip, net_folder, fdb_info, vteps):
# Add gre fdb records
network = fdb_info['network']
ip_address = fdb_info['ip_address']
mac_address = fdb_info['mac_address']
tunnel_name = _get_tunnel_name(network)
for vtep in vteps:
if mac_address:
mac_addr = mac_address
else:
mac_addr = _get_tunnel_fake_mac(network, vtep)
# REVISIT(Rich Browne) caller must provide folder and not tenant_id
self.network_helper.add_fdb_entry(bigip,
tunnel_name=tunnel_name,
partition=net_folder,
mac_address=mac_addr,
vtep_ip_address=vtep,
arp_ip_address=ip_address)
def add_vxlan_fdbs(self, bigip, net_folder, fdb_info, vteps):
# Add vxlan fdb records
network = fdb_info['network']
ip_address = fdb_info['ip_address']
mac_address = fdb_info['mac_address']
tunnel_name = _get_tunnel_name(network)
for vtep in vteps:
if mac_address:
mac_addr = mac_address
else:
mac_addr = _get_tunnel_fake_mac(network, vtep)
# REVISIT caller must provide folder and not tenant_id
self.network_helper.add_fdb_entry(bigip,
tunnel_name=tunnel_name,
partition=net_folder,
mac_address=mac_addr,
vtep_ip_address=vtep,
arp_ip_address=ip_address)
def delete_bigip_fdbs(self, bigip, net_folder, fdb_info, vteps_by_type):
# Delete fdb records for a mac/ip with specified vteps
network = fdb_info['network']
net_type = network['provider:network_type']
vteps_key = net_type + '_vteps'
if vteps_key in vteps_by_type:
vteps = vteps_by_type[vteps_key]
if net_type == 'gre':
self.delete_gre_fdbs(bigip, net_folder, fdb_info, vteps)
elif net_type == 'vxlan':
self.delete_vxlan_fdbs(bigip, net_folder, fdb_info, vteps)
def delete_gre_fdbs(self, bigip, net_folder, fdb_info, vteps):
# delete gre fdb records
network = fdb_info['network']
ip_address = fdb_info['ip_address']
mac_address = fdb_info['mac_address']
tunnel_name = _get_tunnel_name(network)
for vtep in vteps:
if mac_address:
mac_addr = mac_address
else:
mac_addr = _get_tunnel_fake_mac(network, vtep)
self.network_helper.delete_fdb_entry(bigip,
tunnel_name=tunnel_name,
mac_address=mac_addr,
arp_ip_address=ip_address,
partition=net_folder)
def delete_vxlan_fdbs(self, bigip, net_folder, fdb_info, vteps):
# delete vxlan fdb records
network = fdb_info['network']
ip_address = fdb_info['ip_address']
mac_address = fdb_info['mac_address']
tunnel_name = _get_tunnel_name(network)
for vtep in vteps:
if mac_address:
mac_addr = mac_address
else:
mac_addr = _get_tunnel_fake_mac(network, vtep)
self.network_helper.delete_fdb_entry(bigip,
tunnel_name=tunnel_name,
mac_address=mac_addr,
arp_ip_address=ip_address,
partition=net_folder)
def add_bigip_fdb(self, bigip, fdb):
# Add entries from the fdb relevant to the bigip
for fdb_operation in \
[{'network_type': 'vxlan',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.add_fdb_entries},
{'network_type': 'gre',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.add_fdb_entries}]:
self._operate_bigip_fdb(bigip, fdb, fdb_operation)
def _operate_bigip_fdb(self, bigip, fdb, fdb_operation):
"""Add L2 records for MAC addresses behind tunnel endpoints.
Description of fdb structure:
{'<network_id>':
'segment_id': <int>
'ports': [ '<vtep>': ['<mac_address>': '<ip_address>'] ]
'<network_id>':
'segment_id':
'ports': [ '<vtep>': ['<mac_address>': '<ip_address>'] ] }
Sample real fdb structure:
{u'45bbbce1-191b-4f7b-84c5-54c6c8243bd2':
{u'segment_id': 1008,
u'ports':
{u'10.30.30.2': [[u'00:00:00:00:00:00', u'0.0.0.0'],
[u'fa:16:3e:3d:7b:7f', u'10.10.1.4']]},
u'network_type': u'vxlan'}}
"""
network_type = fdb_operation['network_type']
get_tunnel_folder = fdb_operation['get_tunnel_folder']
fdb_method = fdb_operation['fdb_method']
for network in fdb:
net_fdb = fdb[network]
if net_fdb['network_type'] == network_type:
net = {
'name': network,
'provider:network_type': net_fdb['network_type'],
'provider:segmentation_id': net_fdb['segment_id']
}
tunnel_name = _get_tunnel_name(net)
folder = get_tunnel_folder(bigip, tunnel_name=tunnel_name)
net_info = {
'network': network,
'folder': folder,
'tunnel_name': tunnel_name,
'net_fdb': net_fdb
}
fdbs = self._get_bigip_network_fdbs(bigip, net_info)
if len(fdbs) > 0:
fdb_method(fdb_entries=fdbs)
def _get_bigip_network_fdbs(self, bigip, net_info):
# Get network fdb entries to add to a bigip
if not net_info['folder']:
return {}
net_fdb = net_info['net_fdb']
fdbs = {}
for vtep in net_fdb['ports']:
# bigip does not need to set fdb entries for local addresses
if vtep == bigip.local_ip:
continue
# most net_info applies to the vtep
vtep_info = dict(net_info)
# but the network fdb is too broad so delete it
del vtep_info['net_fdb']
# use a slice of the fdb for the vtep instead
vtep_info['vtep'] = vtep
vtep_info['fdb_entries'] = net_fdb['ports'][vtep]
self._merge_vtep_fdbs(vtep_info, fdbs)
return fdbs
def _merge_vtep_fdbs(self, vtep_info, fdbs):
# Add L2 records for a specific network+vtep
folder = vtep_info['folder']
tunnel_name = vtep_info['tunnel_name']
for entry in vtep_info['fdb_entries']:
mac_address = entry[0]
if mac_address == '00:00:00:00:00:00':
continue
ip_address = entry[1]
# create/get tunnel data
if tunnel_name not in fdbs:
fdbs[tunnel_name] = {}
tunnel_fdbs = fdbs[tunnel_name]
# update tunnel folder
tunnel_fdbs['folder'] = folder
# maybe create records for tunnel
if 'records' not in tunnel_fdbs:
tunnel_fdbs['records'] = {}
# add entry to records map keyed by mac address
tunnel_fdbs['records'][mac_address] = \
{'endpoint': vtep_info['vtep'], 'ip_address': ip_address}
def update_bigip_fdb(self, bigip, fdb):
# Update l2 records
self.add_bigip_fdb(bigip, fdb)
def remove_bigip_fdb(self, bigip, fdb):
# Add L2 records for MAC addresses behind tunnel endpoints
for fdb_operation in \
[{'network_type': 'vxlan',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.delete_fdb_entries},
{'network_type': 'gre',
'get_tunnel_folder': self.network_helper.get_tunnel_folder,
'fdb_method': self.network_helper.delete_fdb_entries}]:
self._operate_bigip_fdb(bigip, fdb, fdb_operation)
# Utilities
def get_network_name(self, bigip, network):
segment = self._get_segment(network, 'vlan')
# This constructs a name for a tunnel or vlan interface
preserve_network_name = False
if network['id'] in self.conf.common_network_ids:
network_name = self.conf.common_network_ids[network['id']]
preserve_network_name = True
elif segment['provider:network_type'] == 'vlan':
network_name = self.get_vlan_name(network, bigip.hostname)
elif segment['provider:network_type'] == 'flat':
network_name = self.get_vlan_name(network, bigip.hostname)
elif segment['provider:network_type'] == 'vxlan':
network_name = _get_tunnel_name(network)
elif segment['provider:network_type'] == 'gre':
network_name = _get_tunnel_name(network)
else:
error_message = 'Unsupported network type %s.' \
% network['provider:network_type'] + \
' Cannot setup selfip or snat.'
LOG.error(error_message)
raise f5ex.InvalidNetworkType(error_message)
return network_name, preserve_network_name
def _get_segment(self, network, segment_type):
segments = network['segments']
for segment in segments:
LOG.error(_(segment))
if segment['provider:network_type'] == segment_type:
LOG.error("Returning segment")
LOG.error(_(segment))
return segment
def __init__(self):
self.network_name = DisconnectedService.network_name
self.network_helper = NetworkHelper()
