def _vnc_delete_listeners(self, lb):
listeners = lb.loadbalancer_listeners.copy()
for ll_id in listeners or []:
ll = LoadbalancerListenerKM.get(ll_id)
if not ll:
continue
pool_id = ll.loadbalancer_pool
if pool_id:
pool = LoadbalancerPoolKM.get(pool_id)
if pool:
members = pool.members.copy()
for member_id in members or []:
member = LoadbalancerMemberKM.get(member_id)
if member:
self.service_lb_member_mgr.delete(member_id)
self.logger.debug("Deleting LB member %s" %
member.name)
LoadbalancerMemberKM.delete(member_id)
self._vnc_delete_pool(pool_id)
self.logger.debug("Deleting LB pool %s" % pool.name)
LoadbalancerPoolKM.delete(pool_id)
self.logger.debug("Deleting LB listener %s" % ll.name)
self._vnc_delete_listener(ll_id)
LoadbalancerListenerKM.delete(ll_id)
def _create_listeners(self, namespace, lb, ports):
for port in ports:
listener_found = False
for ll_id in lb.loadbalancer_listeners:
ll = LoadbalancerListenerKM.get(ll_id)
if not ll:
continue
if not ll.params['protocol_port']:
continue
if not ll.params['protocol']:
continue
if ll.params['protocol_port'] == port['port'] and \
ll.params['protocol'] == port['protocol']:
listener_found = True
break
if not listener_found:
ll_obj = self._vnc_create_listener(namespace, lb, port)
ll = LoadbalancerListenerKM.locate(ll_obj._uuid)
pool_id = ll.loadbalancer_pool
if pool_id:
pool = LoadbalancerPoolKM.get(pool_id)
# SAS FIXME: If pool_id present, check for targetPort value
if not pool_id or not pool:
pool_obj = self._vnc_create_pool(namespace, ll, port)
LoadbalancerPoolKM.locate(pool_obj._uuid)
def _delete_listener(self, ll_id):
ll = LoadbalancerListenerKM.get(ll_id)
pool_id = ll.loadbalancer_pool
if pool_id:
pool = LoadbalancerPoolKM.get(pool_id)
member_list = pool.members.copy()
for member_id in member_list:
self._vnc_delete_member(member_id)
LoadbalancerMemberKM.delete(member_id)
self._vnc_delete_pool(pool_id)
LoadbalancerPoolKM.delete(pool_id)
self._vnc_delete_listener(ll_id)
LoadbalancerListenerKM.delete(ll_id)
def _get_loadbalancer_pool(lb_listener_id, port=None):
lb_listener = LoadbalancerListenerKM.get(lb_listener_id)
if not lb_listener:
return None
if not lb_listener.params['protocol_port']:
return None
if port:
if lb_listener.params['protocol'] != port['protocol']:
return None
if lb_listener.port_name and port.get('name') and \
lb_listener.port_name != port['name']:
return None
return LoadbalancerPoolKM.get(lb_listener.loadbalancer_pool)
def _get_loadbalancer_pool(lb_listener_id, port=None):
lb_listener = LoadbalancerListenerKM.get(lb_listener_id)
if not lb_listener:
return None
if not lb_listener.params['protocol_port']:
return None
if port:
if lb_listener.params['protocol'] != port['protocol']:
return None
if lb_listener.port_name and port.get('name') and \
lb_listener.port_name != port['name']:
return None
return LoadbalancerPoolKM.get(lb_listener.loadbalancer_pool)
def _create_lb(self, uid, name, ns_name, event):
annotations = event['object']['metadata'].get('annotations')
ingress_controller = 'opencontrail'
if annotations:
if 'kubernetes.io/ingress.class' in annotations:
ingress_controller = annotations['kubernetes.io/ingress.class']
if ingress_controller != 'opencontrail':
self._logger.warning(
"%s - ingress controller is not opencontrail for ingress %s" %
(self._name, name))
self._delete_ingress(uid)
return
lb = LoadbalancerKM.get(uid)
if not lb:
lb_obj = self._vnc_create_lb(uid, name, ns_name, annotations)
if lb_obj is None:
return
lb = LoadbalancerKM.locate(uid)
else:
external_ip = None
if annotations and 'externalIP' in annotations:
external_ip = annotations['externalIP']
specified_fip_pool_fq_name_str = None
if annotations and 'opencontrail.org/fip-pool' in annotations:
specified_fip_pool_fq_name_str = annotations[
'opencontrail.org/fip-pool']
if external_ip != lb.external_ip:
self._deallocate_floating_ip(lb)
lb_obj = self._vnc_lib.loadbalancer_read(id=lb.uuid)
fip = self._update_floating_ip(name, ns_name, external_ip,
lb_obj,
specified_fip_pool_fq_name_str)
if fip:
lb.external_ip = external_ip
self._update_kube_api_server(name, ns_name, lb_obj, fip)
self._clear_ingress_cache_uuid(self._ingress_label_cache, uid)
spec = event['object']['spec']
new_backend_list = self._get_new_backend_list(spec, ns_name)
old_backend_list = self._get_old_backend_list(lb)
# find the unchanged backends
for new_backend in new_backend_list[:] or []:
self._update_ingress_cache(self._ingress_label_cache, ns_name,
new_backend['member']['serviceName'],
uid)
for old_backend in old_backend_list[:] or []:
if (new_backend['annotations'] == old_backend['annotations']
and new_backend['listener'] == old_backend['listener']
and new_backend['pool'] == old_backend['pool']
and new_backend['member'] == old_backend['member']):
# Create a firewall rule for this member.
fw_uuid = VncIngress.add_ingress_to_service_rule(
ns_name, name, new_backend['member']['serviceName'])
lb.add_firewall_rule(fw_uuid)
old_backend_list.remove(old_backend)
new_backend_list.remove(new_backend)
break
if len(old_backend_list) == 0 and len(new_backend_list) == 0:
return lb
# find the updated backends and update
backend_update_list = []
for new_backend in new_backend_list[:] or []:
for old_backend in old_backend_list[:] or []:
if (new_backend['annotations'] == old_backend['annotations']
and new_backend['listener'] == old_backend['listener']
and new_backend['pool'] == old_backend['pool']):
backend = old_backend
backend['member']['member_id'] = old_backend['member_id']
backend['member']['serviceName'] = new_backend['member'][
'serviceName']
backend['member']['servicePort'] = new_backend['member'][
'servicePort']
backend_update_list.append(backend)
old_backend_list.remove(old_backend)
new_backend_list.remove(new_backend)
for backend in backend_update_list or []:
ll = LoadbalancerListenerKM.get(backend['listener_id'])
pool = LoadbalancerPoolKM.get(backend['pool_id'])
backend_member = backend['member']
member = self._update_member(ns_name, backend_member, pool)
if member is None:
self._logger.error("%s - Deleting Listener %s and Pool %s" %
(self._name, ll.name, pool.name))
self._vnc_delete_pool(pool.uuid)
LoadbalancerPoolKM.delete(pool.uuid)
self._vnc_delete_listener(ll.uuid)
LoadbalancerListenerKM.delete(ll.uuid)
if len(old_backend_list) == 0 and len(new_backend_list) == 0:
return lb
# delete the old backends
for backend in old_backend_list or []:
self._delete_listener(backend['listener_id'])
deleted_fw_rule_uuid =\
VncIngress.delete_ingress_to_service_rule(
ns_name, name, backend['member']['serviceName'])
lb.remove_firewall_rule(deleted_fw_rule_uuid)
# create the new backends
for backend in new_backend_list:
# Create a firewall rule for this member.
fw_uuid = VncIngress.add_ingress_to_service_rule(
ns_name, name, backend['member']['serviceName'])
lb.add_firewall_rule(fw_uuid)
self._create_listener_pool_member(ns_name, lb, backend)
return lb
def _get_old_backend_list(self, lb):
backend_list = []
listener_list = lb.loadbalancer_listeners
for ll_id in listener_list:
backend = {}
backend['listener_id'] = ll_id
ll = LoadbalancerListenerKM.get(ll_id)
backend['listener'] = {}
backend['listener']['protocol'] = ll.params['protocol']
if backend['listener']['protocol'] == 'TERMINTED_HTTPS':
if ll.params['default_tls_container']:
backend['listener']['default_tls_container'] = \
ll.params['default_tls_container']
if ll.params['sni_containers']:
backend['listener']['sni_containers'] = \
ll.params['sni_containers']
pool_id = ll.loadbalancer_pool
if pool_id:
pool = LoadbalancerPoolKM.get(pool_id)
if pool.annotations is None:
annotations = {}
kvps = []
pool_obj = self._vnc_lib.loadbalancer_pool_read(id=pool_id)
pool_obj_kvp = pool_obj.annotations.key_value_pair
kvps_len = len(pool_obj_kvp)
for count in range(0, kvps_len):
kvp = {}
kvp['key'] = pool_obj_kvp[count].key
kvp['value'] = pool_obj_kvp[count].value
kvps.append(kvp)
annotations['key_value_pair'] = kvps
else:
annotations = pool.annotations
backend['pool_id'] = pool_id
backend['annotations'] = {}
for kvp in annotations['key_value_pair'] or []:
key = kvp['key']
value = kvp['value']
backend['annotations'][key] = value
backend['pool'] = {}
backend['pool']['protocol'] = pool.params['protocol']
backend['member'] = {}
if len(pool.members) == 0:
continue
member_id = list(pool.members)[0]
member = LoadbalancerMemberKM.get(member_id)
if member.annotations is None:
annotations = {}
kvps = []
member_obj = self._vnc_lib.loadbalancer_member_read(
id=member_id)
member_obj_kvp = member_obj.annotations.key_value_pair
kvps_len = len(member_obj_kvp)
for count in range(0, kvps_len):
kvp = {}
kvp['key'] = member_obj_kvp[count].key
kvp['value'] = member_obj_kvp[count].value
kvps.append(kvp)
annotations['key_value_pair'] = kvps
else:
annotations = member.annotations
backend['member_id'] = member_id
protocol_port = member.params['protocol_port']
for kvp in annotations['key_value_pair'] or []:
if kvp['key'] == 'serviceName':
backend['member']['serviceName'] = kvp['value']
backend['member']['servicePort'] = protocol_port
break
backend_list.append(backend)
return backend_list