Merge "Cache subnets validation for batch member update" into stable/victoria

This commit is contained in:
Zuul 2022-11-17 13:03:17 +00:00 committed by Gerrit Code Review
commit 066a644fc5
3 changed files with 71 additions and 7 deletions

View File

@ -336,13 +336,6 @@ class MembersController(MemberController):
self._auth_validate_action(context, project_id,
constants.RBAC_DELETE)
# Validate member subnets
for member in members:
if member.subnet_id and not validate.subnet_exists(
member.subnet_id, context=context):
raise exceptions.NotFound(resource='Subnet',
id=member.subnet_id)
# Load the driver early as it also provides validation
driver = driver_factory.get_driver(provider)
@ -388,8 +381,27 @@ class MembersController(MemberController):
resource=data_models.Member._name())
provider_members = []
valid_subnets = set()
# Create new members
for m in new_members:
# NOTE(mnaser): In order to avoid hitting the Neutron API hard
# when creating many new members, we cache the
# validation results. We also validate new
# members only since subnet ID is immutable.
# If the member doesn't have a subnet, or the subnet is
# already valid, move on. Run validate and add it to
# cache otherwise.
if m.subnet_id and m.subnet_id not in valid_subnets:
# If the subnet does not exist,
# raise an exception and get out.
if not validate.subnet_exists(
m.subnet_id, context=context):
raise exceptions.NotFound(
resource='Subnet', id=m.subnet_id)
# Mark the subnet as valid for future runs.
valid_subnets.add(m.subnet_id)
m = m.to_dict(render_unsets=False)
m['project_id'] = db_pool.project_id
created_member = self._graph_create(lock_session, m)

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@ -882,6 +882,50 @@ class TestMember(base.BaseAPITest):
mock_driver.member_batch_update,
self.pool_id, provider_members)
@mock.patch('octavia.api.drivers.driver_factory.get_driver')
@mock.patch('octavia.api.drivers.utils.call_provider')
def test_update_members_subnet_duplicate(
self, mock_provider, mock_get_driver):
mock_driver = mock.MagicMock()
mock_driver.name = 'noop_driver'
mock_get_driver.return_value = mock_driver
subnet_id = uuidutils.generate_uuid()
member1 = {'address': '192.0.2.1', 'protocol_port': 80,
'project_id': self.project_id, 'subnet_id': subnet_id}
member2 = {'address': '192.0.2.2', 'protocol_port': 80,
'project_id': self.project_id, 'subnet_id': subnet_id}
req_dict = [member1, member2]
body = {self.root_tag_list: req_dict}
path = self.MEMBERS_PATH.format(pool_id=self.pool_id)
with mock.patch("octavia.common.validate."
"subnet_exists") as m_subnet_exists:
m_subnet_exists.return_value = True
self.put(path, body, status=202)
m_subnet_exists.assert_called_once_with(
member1['subnet_id'], context=mock.ANY)
@mock.patch('octavia.api.drivers.driver_factory.get_driver')
@mock.patch('octavia.api.drivers.utils.call_provider')
def test_update_members_subnet_not_found(
self, mock_provider, mock_get_driver):
mock_driver = mock.MagicMock()
mock_driver.name = 'noop_driver'
mock_get_driver.return_value = mock_driver
fake_subnet_id = uuidutils.generate_uuid()
member1 = {'address': '192.0.2.1', 'protocol_port': 80,
'project_id': self.project_id, 'subnet_id': fake_subnet_id}
req_dict = [member1]
body = {self.root_tag_list: req_dict}
path = self.MEMBERS_PATH.format(pool_id=self.pool_id)
with mock.patch("octavia.common.validate."
"subnet_exists") as m_subnet_exists:
m_subnet_exists.return_value = False
self.put(path, body, status=404)
@mock.patch('octavia.api.drivers.driver_factory.get_driver')
@mock.patch('octavia.api.drivers.utils.call_provider')
def test_delete_batch_members(self, mock_provider, mock_get_driver):

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@ -0,0 +1,8 @@
---
fixes:
- |
In order to avoid hitting the Neutron API hard
when batch update with creating many new members, we cache the
subnet validation results in batch update members API call.
We also change to validate new members only during batch update
members since subnet ID is immutable.