DST_PORT is configuralbe in json config file for EXTERNAL_CLIENT_ACL

Signed-off-by: Zhaohui Sun <zhaohuisun@microsoft.com>

scripts/caclmgrd

@@ -82,7 +82,6 @@ class ControlPlaneAclManager(daemon_base.DaemonBase):
         },
         "EXTERNAL_CLIENT": {
             "ip_protocols": ["tcp"],
-            "dst_ports": ["8081"],
             "multi_asic_ns_to_host_fwd":True
         },
         "ANY": {
@@ -550,7 +549,8 @@ class ControlPlaneAclManager(daemon_base.DaemonBase):
 
                 # Obtain default IP protocol(s) and destination port(s) for this service
                 ip_protocols = self.ACL_SERVICES[acl_service]["ip_protocols"]
-                dst_ports = self.ACL_SERVICES[acl_service]["dst_ports"]
+                if "dst_ports" in self.ACL_SERVICES[acl_service]:
+                    dst_ports = self.ACL_SERVICES[acl_service]["dst_ports"]
 
                 acl_rules = {}
 
@@ -576,6 +576,19 @@ class ControlPlaneAclManager(daemon_base.DaemonBase):
                             elif self.is_rule_ipv4(rule_props):
                                 table_ip_version = 4
 
+                        # Read DST_PORT info from Config DB, insert it back to ACL_SERVICES
+                        if acl_service == 'EXTERNAL_CLIENT' and "L4_DST_PORT" in rule_props:
+                            dst_ports = [rule_props["L4_DST_PORT"]]
+                            self.ACL_SERVICES[acl_service]["dst_ports"] = dst_ports
+                        elif acl_service == 'EXTERNAL_CLIENT' and "L4_DST_PORT_RANGE" in rule_props:
+                            dst_ports = []
+                            port_ranges = rule_props["L4_DST_PORT_RANGE"].split("-")
+                            port_start = int(port_ranges[0])
+                            port_end = int(port_ranges[1])
+                            for port in range(port_start, port_end + 1):
+                                dst_ports.append(port)
+                            self.ACL_SERVICES[acl_service]["dst_ports"] = dst_ports
+
                         if (self.is_rule_ipv6(rule_props) and (table_ip_version == 4)):
                             self.log_error("CtrlPlane ACL table {} is a IPv4 based table and rule {} is a IPV6 rule! Ignoring rule."
                                            .format(table_name, rule_id))