Catch acl table KeyError in caclmgrd to avoid crash

Signed-off-by: Zhaohui Sun <[email protected]>

scripts/caclmgrd

@@ -17,6 +17,7 @@ try:
     import sys
     import threading
     import time
+    import json
     from sonic_py_common.general import getstatusoutput_noshell_pipe
     from sonic_py_common import daemon_base, device_info, multi_asic
     from swsscommon import swsscommon
@@ -1078,9 +1079,13 @@ class ControlPlaneAclManager(daemon_base.DaemonBase):
                         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)
+                        try:
+                            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)
+                        except KeyError:
+                            self.log_error("ACL table '{}' not found in Config DB. ACL_TABLE={}".format(acl_table, json.dumps(self.config_db_map[namespace].get_table(self.ACL_TABLE), indent=4)))
+                            continue
 
             # Update the Control Plane ACL of the namespace that got config db acl table event
             for namespace in ctrl_plane_acl_notification: