Add nokia_cmd set restart-lc-system-service for debug use

(cherry picked from commit 9bae649)

Author: mlok-nokia

chassis/platform_ndk/nokia_cmd.py

@@ -1180,6 +1180,11 @@ def set_reboot_linecard(slot):
     logger.log_warning("nokia_cmd reboots linecard slot {}".format(slot))
     nokia_common._reboot_imm(slot)
 
+def set_restart_lc_system_service(slot, service_name):
+    print("nokia_cmd restart system service '{}' on linecard slot {}".format(service_name, slot))
+    logger.log_warning("nokia_cmd restart system service '{}' on linecard slot {}".format(service_name, slot))
+    nokia_common._restart_lc_system_service(slot, service_name)
+
 def set_log_restore_default():
     channel, stub = nokia_common.channel_setup(nokia_common.NOKIA_GRPC_UTIL_SERVICE)
     if not channel or not stub:
@@ -2197,6 +2202,11 @@ def main():
     set_reboot_linecard_parser = setsubparsers.add_parser('reboot-linecard', help='Reboot linecard from Supervisor')
     set_reboot_linecard_parser.add_argument('slot', type=int, help='Linecard slot number starts from 1 to 8')
     set_reboot_linecard_parser.add_argument('force', nargs='?', type=str, help='Continue without prompt for confirmation')
+
+    # set restart_lc_system_service
+    set_restart_lc_system_service_parser = setsubparsers.add_parser('restart-lc-system-service', help='Restart linecard system service from Supervisor')
+    set_restart_lc_system_service_parser.add_argument('slot', type=int, help='Linecard slot number starts from 1 to 8')
+    set_restart_lc_system_service_parser.add_argument('service', type=str, help='Service filename. Current support: interfaces-config.service')
 
     set_ndk_monitor_action_parser = setsubparsers.add_parser('ndk-monitor-action', help='Change the NDK monitor_action value (warn or reboot) in starup_debug.json file')
     set_ndk_monitor_action_parser.add_argument('action', nargs='?', help='Choices: warn, reboot or default')
@@ -2394,10 +2404,26 @@ def main():
                 if ans.strip().upper() != "Y":
                     print("Operation abort!")
                     return
-            
-            set_reboot_linecard(slot)        
+
+            set_reboot_linecard(slot)
+        elif args.setcmd == 'restart-lc-system-service':
+            supported_list = ["interfaces-config.service"]
+            if not nokia_common.is_cpm():
+                print('Command is only supported on Supervisor card')
+                return
+            slot = d['slot']
+            if slot < 1 or slot > 8:
+                print("Error: Invalid slot number. Linecard slot number starts from 1 to 8")
+                return
+            service_name = d['service']
+            if service_name not in supported_list:
+                print("Error: Service name \"{}\" is not in supported list".format(service_name))
+                print("Supported list: " + ", ".join(supported_list))
+                return
+            set_restart_lc_system_service(slot, service_name)
         else:
             set_parser.print_help()
+        
     elif args.cmd == 'request':
         if args.reqcmd == 'devmgr-admintech':
             if d['filepath'] is None:

chassis/platform_ndk/nokia_common.py

@@ -395,6 +395,22 @@ def _reboot_imm(slot):
         ret = _cpm_reboot_IMMs(slot)
     return ret
 
+def _restart_lc_system_service(imm_slot, service_file):
+    if imm_slot < 1 or imm_slot > NOKIA_MAX_IMM_SLOTS:
+        return
+    channel, stub = midplane_channel_setup(NOKIA_GRPC_CHASSIS_SERVICE, imm_slot)
+    if not channel or not stub:
+        return False
+    response = stub.RestartSystemService(platform_ndk_pb2.ReqModuleInfoPb(hw_slot=imm_slot, service_name=service_file))
+    if response.response_status.status_code != platform_ndk_pb2.ResponseCode.NDK_SUCCESS:
+        print('Failed to restart Linecard Slot {} system service \"{}\"'.format(imm_slot, service_file))
+        rv = False
+    else:
+        print('Restart Linecard Slot {} system service \"{}\" success'.format(imm_slot, service_file))
+        rv = True
+    channel_shutdown(channel)
+    return rv
+
 def _force_reboot_imm(slot):
     if slot < 1 or slot > NOKIA_MAX_IMM_SLOTS:
         return