def unplug_vip(self, load_balancer, vip):
try:
subnet = self.get_subnet(vip.subnet_id)
except base.SubnetNotFound:
msg = ("Can't unplug vip because vip subnet {0} was not "
"found").format(vip.subnet_id)
raise base.PluggedVIPNotFound(msg)
for amphora in load_balancer.amphorae:
interface = self._get_plugged_interface(amphora.compute_id,
subnet.network_id)
if not interface:
# Thought about raising PluggedVIPNotFound exception but
# then that wouldn't evaluate all amphorae, so just continue
continue
try:
self.unplug_network(amphora.compute_id, subnet.network_id)
except Exception:
pass
try:
aap_update = {'port': {'allowed_address_pairs': []}}
self.neutron_client.update_port(interface.port_id, aap_update)
except Exception:
message = _LE('Error unplugging VIP. Could not clear '
'allowed address pairs from port '
'{port_id}.').format(port_id=vip.port_id)
LOG.exception(message)
raise base.UnplugVIPException(message)
def unplug_vip(self, load_balancer, vip):
try:
subnet = self.get_subnet(vip.subnet_id)
except base.SubnetNotFound as e:
msg = ("Can't unplug vip because vip subnet {0} was not "
"found").format(vip.subnet_id)
LOG.exception(msg)
raise base.PluggedVIPNotFound(msg) from e
for amphora in filter(
lambda amp: amp.status == constants.AMPHORA_ALLOCATED,
load_balancer.amphorae):
self.unplug_aap_port(vip, amphora, subnet)
def unplug_vip(self, load_balancer, vip):
if load_balancer.topology == constants.TOPOLOGY_ACTIVE_ACTIVE:
self._unplug_frontend_port(load_balancer)
try:
subnet = self.get_subnet(vip.subnet_id)
except base.SubnetNotFound:
msg = ("Can't unplug vip because vip subnet {0} was not "
"found").format(vip.subnet_id)
LOG.exception(msg)
raise base.PluggedVIPNotFound(msg)
for amphora in six.moves.filter(
lambda amp: amp.status == constants.AMPHORA_ALLOCATED,
load_balancer.amphorae):
interface = self._get_plugged_interface(
amphora.compute_id, subnet.network_id, amphora.lb_network_ip)
if not interface:
# Thought about raising PluggedVIPNotFound exception but
# then that wouldn't evaluate all amphorae, so just continue
LOG.debug('Cannot get amphora %s interface, skipped',
amphora.compute_id)
continue
try:
self.unplug_network(amphora.compute_id, subnet.network_id)
except Exception:
pass
try:
aap_update = {'port': {
'allowed_address_pairs': []
}}
self.neutron_client.update_port(interface.port_id,
aap_update)
except Exception:
message = _('Error unplugging VIP. Could not clear '
'allowed address pairs from port '
'{port_id}.').format(port_id=vip.port_id)
LOG.exception(message)
raise base.UnplugVIPException(message)
# Delete the VRRP port if we created it
try:
port = self.get_port(amphora.vrrp_port_id)
if port.name.startswith('octavia-lb-vrrp-'):
self.neutron_client.delete_port(amphora.vrrp_port_id)
except (neutron_client_exceptions.NotFound,
neutron_client_exceptions.PortNotFoundClient):
pass
except Exception as e:
LOG.error('Failed to delete port. Resources may still be in '
'use for port: %(port)s due to error: %s(except)s',
{'port': amphora.vrrp_port_id, 'except': e})
def unplug_vip_revert(self, load_balancer, vip):
"This method is called by revert flow of PlugVip"
try:
subnet = self.get_subnet(vip.subnet_id)
except base.SubnetNotFound:
msg = ("Can't unplug vip because vip subnet {0} was not "
"found").format(vip.subnet_id)
LOG.exception(msg)
raise base.PluggedVIPNotFound(msg)
for amphora in filter(
lambda amp: amp.status == constants.AMPHORA_ALLOCATED,
load_balancer.amphorae):
self.unplug_aap_port_revert(vip, amphora, subnet)
def _unplug_amphora_frontend_port(self, amphora, load_balancer):
try:
frontend_subnet = load_balancer.distributor.frontend_subnet
subnet = self.get_subnet(frontend_subnet)
except base.SubnetNotFound:
msg = ("Can't unplug frontend ip because frontend subnet {0} "
"was not found").format(frontend_subnet)
LOG.exception(msg)
raise base.PluggedVIPNotFound(msg)
if (amphora in load_balancer.amphorae and
amphora.status == constants.AMPHORA_ALLOCATED):
interface = self._get_plugged_interface(
amphora.compute_id, subnet.network_id, amphora.lb_network_ip)
if not interface:
# Thought about raising PluggedVIPNotFound exception but
# then that wouldn't evaluate all amphorae, so just continue
LOG.debug('Cannot get amphora %s interface, skipped',
amphora.compute_id)
return
try:
self.unplug_network(amphora.compute_id, subnet.network_id)
except Exception:
pass
try:
aap_update = {'port': {
'allowed_address_pairs': []
}}
self.neutron_client.update_port(interface.port_id,
aap_update)
except Exception:
message = _('Error unplugging frontend port. Could not clear '
'allowed address pairs from port '
'{port_id}.').format(port_id=interface.port_id)
LOG.exception(message)
raise base.UnplugVIPException(message)
# Delete the frontend port if we created it
try:
port = self.get_port(amphora.frontend_port_id)
if port.name.startswith('octavia-lb-frentend-'):
self.neutron_client.delete_port(amphora.frontend_port_id)
except (neutron_client_exceptions.NotFound,
neutron_client_exceptions.PortNotFoundClient):
pass
except Exception as e:
LOG.error('Failed to delete port. Resources may still be in '
'use for port: %(port)s due to error: %s(except)s',
{'port': amphora.frontend_port_id, 'except': e})
