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Optimze ACL Table/Rule notification handling (#5621)

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* Optimze ACL Table/Rule notifcation handling
to loop pop() until empty to consume all the data in a batch

This wau we prevent multiple call to iptable updates

Signed-off-by: Abhishek Dosi <abdosi@microsoft.com>

* Address review comments

Signed-off-by: Abhishek Dosi <abdosi@microsoft.com>
This commit is contained in:
abdosi 2020-10-14 08:05:33 -07:00 committed by GitHub
parent 812e1a3489
commit 9094e2176f
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1 changed files with 18 additions and 17 deletions
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35
files/image_config/caclmgrd/caclmgrd
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@ -539,7 +539,7 @@ class ControlPlaneAclManager(daemon_base.DaemonBase):
# Loop on select to see if any event happen on config db of any namespace
while True:
ctrl_plane_acl_notification = False
ctrl_plane_acl_notification = set()
(state, selectableObj) = sel.select(SELECT_TIMEOUT_MS)
# Continue if select is timeout or selectable object is not return
if state != swsscommon.Select.OBJECT:
@ -550,23 +550,24 @@ class ControlPlaneAclManager(daemon_base.DaemonBase):
namespace = redisSelectObj.getDbConnector().getNamespace()
# Pop data of both Subscriber Table object of namespace that got config db acl table event
for table in config_db_subscriber_table_map[namespace]:
(key, op, fvp) = table.pop()
# Pop of table that does not have data
if key == '':
continue
# ACL Table notification. We will take Control Plane ACTION for any ACL Table Event
# This can be optimize further but we should not have many acl table set/del events in normal
# scenario
elif acl_rule_table_seprator not in key:
ctrl_plane_acl_notification = True
# Check ACL Rule notification and make sure Rule point to ACL Table which is Controlplane
else:
acl_table = key.split(acl_rule_table_seprator)[0]
if self.config_db_map[namespace].get_table(self.ACL_TABLE)[acl_table]["type"] == self.ACL_TABLE_TYPE_CTRLPLANE:
ctrl_plane_acl_notification = True
while True:
(key, op, fvp) = table.pop()
# Pop of table that does not have data so break
if key == '':
break
# ACL Table notification. We will take Control Plane ACTION for any ACL Table Event
# This can be optimize further but we should not have many acl table set/del events in normal
# scenario
if acl_rule_table_seprator not in key:
ctrl_plane_acl_notification.add(namespace)
# Check ACL Rule notification and make sure Rule point to ACL Table which is Controlplane
else:
acl_table = key.split(acl_rule_table_seprator)[0]
if self.config_db_map[namespace].get_table(self.ACL_TABLE)[acl_table]["type"] == self.ACL_TABLE_TYPE_CTRLPLANE:
ctrl_plane_acl_notification.add(namespace)
# Update the Control Plane ACL of the namespace that got config db acl table/rule event
if ctrl_plane_acl_notification:
# Update the Control Plane ACL of the namespace that got config db acl table event
for namespace in ctrl_plane_acl_notification:
self.update_control_plane_acls(namespace)
# ============================= Functions =============================