def delete_fdb_entries(self, tunnel_name=None, fdb_entries=None):
""" Delete vxlan fdb entries """
for tunnel_name in fdb_entries:
folder = prefixed(fdb_entries[tunnel_name]['folder'])
request_url = self.bigip.icr_url + '/net/fdb/tunnel/'
request_url += '~' + folder + '~' + tunnel_name
existing_records = self.get_fdb_entry(tunnel_name=tunnel_name,
mac=None,
folder=folder)
arps_to_delete = {}
new_records = []
for record in existing_records:
for mac in fdb_entries[tunnel_name]['records']:
if record['name'] == mac:
arps_to_delete[mac] = mac['ip_address']
break
else:
new_records.append(record)
if len(new_records) == 0:
new_records = None
payload = dict()
payload['records'] = new_records
response = self.bigip.icr_session.put(
request_url,
data=json.dumps(payload),
timeout=const.CONNECTION_TIMEOUT)
if response.status_code < 400:
if const.FDB_POPULATE_STATIC_ARP:
for mac in arps_to_delete:
self.bigip.arp.delete(ip_address=arps_to_delete[mac],
folder='Common')
return True
return False
def delete_fdb_entries(self, tunnel_name=None, fdb_entries=None):
""" Delete fdb entries for a tunnel """
for tunnel_name in fdb_entries:
folder = prefixed(fdb_entries[tunnel_name]['folder'])
request_url = self.bigip.icr_url + '/net/fdb/tunnel/'
request_url += '~' + folder + '~' + tunnel_name
existing_records = self.get_fdb_entry(tunnel_name=tunnel_name,
mac=None,
folder=folder)
arps_to_delete = {}
new_records = []
for record in existing_records:
for mac in fdb_entries[tunnel_name]['records']:
if record['name'] == mac:
arps_to_delete[mac] = mac['ip_address']
break
else:
new_records.append(record)
if len(new_records) == 0:
new_records = None
payload = dict()
payload['records'] = new_records
response = self.bigip.icr_session.put(
request_url, data=json.dumps(payload),
timeout=const.CONNECTION_TIMEOUT)
if response.status_code < 400:
if const.FDB_POPULATE_STATIC_ARP:
for mac in arps_to_delete:
self.bigip.arp.delete(ip_address=arps_to_delete[mac],
folder='Common')
return True
return False
def add_fdb_entries(self, fdb_entries=None):
""" Add fdb entries for a tunnel """
for tunnel_name in fdb_entries:
folder = fdb_entries[tunnel_name]['folder']
if folder != 'Common':
folder = prefixed(folder)
request_url = self.bigip.icr_url + '/net/fdb/tunnel/'
request_url += '~' + folder + '~' + self.OBJ_PREFIX + \
tunnel_name + '?ver=11.5.0'
existing_records = self.get_fdb_entry(tunnel_name=tunnel_name,
mac=None,
folder=folder)
new_records = []
new_mac_addresses = []
new_arp_addresses = {}
tunnel_records = fdb_entries[tunnel_name]['records']
for mac in tunnel_records:
fdb_entry = dict()
fdb_entry['name'] = mac
fdb_entry['endpoint'] = tunnel_records[mac]['endpoint']
new_records.append(fdb_entry)
new_mac_addresses.append(mac)
if tunnel_records[mac]['ip_address']:
new_arp_addresses[mac] = tunnel_records[mac]['ip_address']
for record in existing_records:
if not record['name'] in new_mac_addresses:
new_records.append(record)
else:
# This fdb entry exists and is not being updated.
# So, do not update the ARP record either.
if record['name'] in new_arp_addresses:
del new_arp_addresses[record['name']]
payload = dict()
payload['records'] = new_records
response = self.bigip.icr_session.patch(
request_url,
data=json.dumps(payload),
timeout=const.CONNECTION_TIMEOUT)
if response.status_code < 400:
if const.FDB_POPULATE_STATIC_ARP:
for mac in new_arp_addresses:
try:
self.bigip.arp.create(
ip_address=new_arp_addresses[mac],
mac_address=mac,
folder=folder)
except Exception as exc:
Log.error(
'L2GRE', 'could not create static arp: %s' %
exc.message)
return True
return False
def add_fdb_entries(self, fdb_entries=None):
""" Add vxlan fdb entries """
for tunnel_name in fdb_entries:
folder = fdb_entries[tunnel_name]['folder']
if folder != 'Common':
folder = prefixed(folder)
request_url = self.bigip.icr_url + '/net/fdb/tunnel/'
request_url += '~' + folder + '~' + self.OBJ_PREFIX + \
tunnel_name + '?ver=11.5.0'
existing_records = self.get_fdb_entry(tunnel_name=tunnel_name,
mac=None,
folder=folder)
new_records = []
new_mac_addresses = []
new_arp_addresses = {}
tunnel_records = fdb_entries[tunnel_name]['records']
for mac in tunnel_records:
fdb_entry = dict()
fdb_entry['name'] = mac
fdb_entry['endpoint'] = tunnel_records[mac]['endpoint']
new_records.append(fdb_entry)
new_mac_addresses.append(mac)
if tunnel_records[mac]['ip_address']:
new_arp_addresses[mac] = tunnel_records[mac]['ip_address']
for record in existing_records:
if not record['name'] in new_mac_addresses:
new_records.append(record)
else:
# This fdb entry exists and is not being updated.
# So, do not update the ARP record either.
if record['name'] in new_arp_addresses:
del new_arp_addresses[record['name']]
payload = dict()
payload['records'] = new_records
response = self.bigip.icr_session.patch(
request_url, data=json.dumps(payload),
timeout=const.CONNECTION_TIMEOUT)
if response.status_code < 400:
if const.FDB_POPULATE_STATIC_ARP:
for mac in new_arp_addresses:
try:
self.bigip.arp.create(
ip_address=new_arp_addresses[mac],
mac_address=mac,
folder=folder)
except Exception as exc:
Log.error('VXLAN',
'could not create static arp: %s'
% exc.message)
return True
return False
def _delete_vcmp_device_network(self, bigip, vlan_name):
"""For vCMP Guests, disassociate VLAN from vCMP Guest and
delete VLAN from vCMP Host."""
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:
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 WebFault as webfault:
LOG.error(('Exception removing VLAN %s association from vCMP '
'Guest %s:%s' %
(vlan_name, vcmp_guest['mgmt_addr'], webfault)))
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'].icontrol.hostname)))
return
# Delete VLAN from vCMP Host. This will fail if any other vCMP Guest
# is using this VLAN
try:
vcmp_host['bigip'].vlan.delete(name=vlan_name,
folder='/Common')
LOG.debug(('Deleted VLAN %s from vCMP Host %s' %
(vlan_name, vcmp_host['bigip'].icontrol.hostname)))
except WebFault as webfault:
LOG.error(('Exception deleting VLAN %s from vCMP Host %s:%s' %
(vlan_name, vcmp_host['bigip'].icontrol.hostname,
webfault)))
except Exception as exc:
LOG.error(('Exception deleting VLAN %s from vCMP Host %s:%s' %
(vlan_name, vcmp_host['bigip'].icontrol.hostname, exc)))
def get_vlan_use_count(self, vcmp_host, vlan_name):
"""Determine the number of vCMP guests with access to vCMP host VLAN"""
use_count = 0
for vcmp_guest in vcmp_host['guests']:
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 associated with guest %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
use_count += 1
else:
LOG.debug(('VLAN %s is not associated with guest %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
return use_count
def get_vlan_use_count(self, vcmp_host, vlan_name):
"""Determine the number of vCMP guests with access to vCMP host VLAN"""
use_count = 0
for vcmp_guest in vcmp_host['guests']:
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 associated with guest %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
use_count += 1
else:
LOG.debug(('VLAN %s is not associated with guest %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
return use_count
def _is_vlan_assoc_with_vcmp_guest(self, bigip, vlan):
"""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 WebFault 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 decorate_folder(self, folder='Common'):
folder = str(folder).replace('/', '')
return bigip_interfaces.prefixed(folder)
def _assure_vcmp_device_network(self, bigip, vlan):
"""For vCMP Guests, add VLAN to vCMP Host, associate VLAN with
vCMP Guest, and remove VLAN from /Common on vCMP Guest."""
vcmp_host = self.vcmp_manager.get_vcmp_host(bigip)
if not vcmp_host:
return
# Create the VLAN on the vCMP Host
try:
vcmp_host['bigip'].vlan.create(
name=vlan['name'], vlanid=vlan['id'],
interface=vlan['interface'], folder='/Common',
description=vlan['network']['id'],
route_domain_id=vlan['network']['route_domain_id'])
LOG.debug(('Created VLAN %s on vCMP Host %s' %
(vlan['name'], vcmp_host['bigip'].icontrol.hostname)))
except VLANCreationException as exc:
LOG.error(
('Exception creating VLAN %s on vCMP Host %s:%s' %
(vlan['name'], vcmp_host['bigip'].icontrol.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
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 WebFault 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'])
try:
vlan_created = False
for _ in range(0, 30):
if bigip.vlan.exists(name=vlan['name'], folder='/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 WebFault 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)))
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
try:
bigip.vlan.delete(name=vlan['name'],
folder='/Common')
LOG.debug(('Deleted VLAN %s from vCMP Guest %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'])))
except VLANDeleteException as exc:
LOG.error(('Exception deleting VLAN %s from vCMP Guest %s: %s' %
(full_path_vlan_name, vcmp_guest['mgmt_addr'], exc)))
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 get_bigip_service_name(pool_id):
""" Generate service name """
return prefixed(pool_id)
