Fix pool update with duplicate masters

If any zones exist that belong to a pool that has any duplicate masters
among all targets, currently updating the pool will fail.

This change fixes the issue by ensuring the pool target master list does
not contain duplicates.

Change-Id: I72bae79b4f8e0bab739875d6f783abdb4868950b
Closes-Bug: #1897936
(cherry picked from commit 4e86bc2a58)
This commit is contained in:
Mark Goddard 2020-09-30 17:48:25 +01:00 committed by Michael Johnson
parent 92c0d3f201
commit a9ab61bc1d
2 changed files with 45 additions and 5 deletions

View File

@ -51,8 +51,13 @@ class PoolCommands(base.Commands):
masters = []
for target in pool.targets:
for master in target.get("masters", []):
masters.append({'host': master['host'],
'port': master['port']})
master = {'host': master['host'], 'port': master['port']}
found = False
for existing_master in masters:
if master == existing_master:
found = True
if not found:
masters.append(master)
return masters
policy.init()

View File

@ -26,11 +26,11 @@ class UpdatePoolTestCase(DesignateManageTestCase):
self.stdlog = fixtures.StandardLogging()
self.useFixture(self.stdlog)
def hydrate_pool_targets(self, targets):
def hydrate_pool_targets(self, target_masters):
pool_targets = objects.PoolTargetList()
masters = objects.PoolTargetMasterList()
for target in targets:
masters.append(target)
for target_master in target_masters:
masters.append(target_master)
target = objects.PoolTarget(masters=masters)
target.masters = masters
pool_targets.append(target)
@ -63,3 +63,38 @@ class UpdatePoolTestCase(DesignateManageTestCase):
"update_zone") as mock_update_zone:
command._update_zones(pool)
mock_update_zone.assert_called_once()
def test_update_pools_zones_multiple_masters(self):
values = dict(
name='example.com.',
email='info@example.com',
type='PRIMARY'
)
zone = self.central_service.create_zone(
self.admin_context, zone=objects.Zone.from_dict(values))
# Ensure the correct NS Records are in place
pool = self.central_service.get_pool(
self.admin_context, zone.pool_id)
targets1 = self.hydrate_pool_targets([
objects.PoolTargetMaster(
pool_target_id=pool.id,
host="127.0.0.1",
port="53")
])
targets2 = self.hydrate_pool_targets([
objects.PoolTargetMaster(
pool_target_id=pool.id,
host="127.0.0.1",
port="53")
])
pool.targets = objects.PoolTargetList()
pool.targets.extend(targets1.objects + targets2.objects)
command = PoolCommands()
command.context = self.admin_context
command.central_api = self.central_service
command._update_zones(pool)