x/vmware-nsx
Code Issues Proposed changes

Fix shared routers locks

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binding/unbinding shared routers on edges should be done under a lock
on the shared routers pool, since it affects edge selection for other
routers.
This patch adds the lock for some unbind actions where it was missing.

Change-Id: Id0f42ae38ef4af5ff0d6fa1d24b4627166c446f7
This commit is contained in:
Adit Sarfaty 2017-10-25 14:23:53 +03:00
parent 2caa2dd076
commit 4aacaaad04
1 changed files with 11 additions and 4 deletions
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15
vmware_nsx/plugins/nsx_v/drivers/shared_router_driver.py
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@ -99,7 +99,8 @@ class RouterSharedDriver(router_driver.RouterBaseDriver):
self._notify_before_router_edge_association(context, router_db)
with locking.LockManager.get_lock(str(edge_id)):
self._remove_router_services_on_edge(context, router_id)
self._unbind_router_on_edge(context, router_id)
with locking.LockManager.get_lock('nsx-shared-router-pool'):
self._unbind_router_on_edge(context, router_id)
def attach_router(self, context, router_id, router, appliance_size=None):
# find the right place to add, and create a new one if necessary
@ -335,7 +336,9 @@ class RouterSharedDriver(router_driver.RouterBaseDriver):
self._notify_before_router_edge_association(context, router_db)
with locking.LockManager.get_lock(str(edge_id)):
self._remove_router_services_on_edge(context, router_id)
self._unbind_router_on_edge(context, router_id)
with locking.LockManager.get_lock(
'nsx-shared-router-pool'):
self._unbind_router_on_edge(context, router_id)
self._bind_router_on_available_edge(
context, router_id, router_db.admin_state_up)
new_edge_id = edge_utils.get_router_edge_id(context,
@ -714,7 +717,9 @@ class RouterSharedDriver(router_driver.RouterBaseDriver):
if is_migrated:
self._remove_router_services_on_edge(context,
router_id)
self._unbind_router_on_edge(context, router_id)
with locking.LockManager.get_lock(
'nsx-shared-router-pool'):
self._unbind_router_on_edge(context, router_id)
if not is_migrated:
ext_net_ids = self._get_ext_net_ids(context, router_ids)
@ -724,7 +729,9 @@ class RouterSharedDriver(router_driver.RouterBaseDriver):
# changed.
self._remove_router_services_on_edge(context,
router_id)
self._unbind_router_on_edge(context, router_id)
with locking.LockManager.get_lock(
'nsx-shared-router-pool'):
self._unbind_router_on_edge(context, router_id)
is_migrated = True
else:
updated_routes = False