x/vmware-nsx
Code Issues Proposed changes

NSX|V: Fix delete cascade for deleted loadbalancers

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In case a loadbalancer was alrady deleted from neutron & nsx but not
from octavia, delete cascade fails to find binding entries.
Fixing that and also adding some logs in the delete cascade logic to make
debugging easier.

Change-Id: Id385366436eda75ad07dc073c5027791efb4d3d9
(cherry picked from commit 1745835153)
This commit is contained in:
asarfaty 2021-01-28 10:12:47 +02:00 committed by Adit Sarfaty
parent da96a4a0d1
commit 60f212fba8
4 changed files with 33 additions and 3 deletions
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7
vmware_nsx/services/lbaas/nsx_v/implementation/healthmon_mgr.py
View File

@ -147,6 +147,13 @@ class EdgeHealthMonitorManagerFromDict(base_mgr.EdgeLoadbalancerBaseManager):
lb_id = hm['pool']['loadbalancer_id']
lb_binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
context.session, lb_id)
if not lb_binding:
# Don't fail deletion if the resource is already gone
LOG.warning("Couldn't find LB %s binding during HM deletion",
lb_id)
completor(success=True)
return
edge_id = lb_binding['edge_id']
pool_binding = nsxv_db.get_nsxv_lbaas_pool_binding(

6
vmware_nsx/services/lbaas/nsx_v/implementation/member_mgr.py
View File

@ -170,6 +170,12 @@ class EdgeMemberManagerFromDict(base_mgr.EdgeLoadbalancerBaseManager):
lb_id = self._get_pool_lb_id(member)
lb_binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
context.session, lb_id)
if not lb_binding:
# Don't fail deletion if the resource is already gone
LOG.warning("Couldn't find LB %s binding during member deletion",
lb_id)
completor(success=True)
return
pool_binding = nsxv_db.get_nsxv_lbaas_pool_binding(
context.session, lb_id, member['pool_id'])
edge_id = lb_binding['edge_id']

11
vmware_nsx/services/lbaas/nsx_v/implementation/pool_mgr.py
View File

@ -157,14 +157,19 @@ class EdgePoolManagerFromDict(base_mgr.EdgeLoadbalancerBaseManager):
lb_binding = nsxv_db.get_nsxv_lbaas_loadbalancer_binding(
context.session, lb_id)
if not lb_binding:
# Don't fail deletion if the resource is already gone
LOG.warning("Couldn't find LB %s binding during pool deletion",
lb_id)
completor(success=True)
return
edge_id = lb_binding['edge_id']
pool_binding = nsxv_db.get_nsxv_lbaas_pool_binding(
context.session, lb_id, pool['id'])
edge_id = lb_binding['edge_id']
if not pool_binding:
completor(success=True)
return
edge_pool_id = pool_binding['edge_pool_id']
listeners_to_update = []

12
vmware_nsx/services/lbaas/octavia/octavia_listener.py
View File

@ -335,8 +335,14 @@ class NSXOctaviaListenerEndpoint(object):
listener_dict[listener['id']] = listener
for policy in listener.get('l7policies', []):
for rule in policy.get('rules', []):
LOG.info("Delete cascade: deleting l7 rule of lb %s",
loadbalancer['id'])
self.l7rule.delete_cascade(ctx, rule, dummy_completor)
LOG.info("Delete cascade: deleting l7 policy of lb %s",
loadbalancer['id'])
self.l7policy.delete_cascade(ctx, policy, dummy_completor)
LOG.info("Delete cascade: deleting listener of lb %s",
loadbalancer['id'])
self.listener.delete_cascade(ctx, listener, dummy_completor)
for pool in loadbalancer.get('pools', []):
if not pool.get('loadbalancer'):
@ -352,11 +358,17 @@ class NSXOctaviaListenerEndpoint(object):
for member in pool.get('members', []):
if not member.get('pool'):
member['pool'] = pool
LOG.info("Delete cascade: deleting old_member of lb %s",
loadbalancer['id'])
self.member.delete_cascade(ctx, member, dummy_completor)
if pool.get('healthmonitor'):
pool['healthmonitor']['pool'] = pool
LOG.info("Delete cascade: deleting HM of lb %s",
loadbalancer['id'])
self.healthmonitor.delete_cascade(
ctx, pool['healthmonitor'], dummy_completor)
LOG.info("Delete cascade: deleting pool of lb %s",
loadbalancer['id'])
self.pool.delete_cascade(ctx, pool, dummy_completor)
except Exception as e:
LOG.error('NSX driver loadbalancer_delete_cascade failed to '