sonic-buildimage/dockers/docker-fpm-frr/base_image_files/TSB

#!/bin/bash

if [[ "$(sonic-cfggen -d -v BGP_DEVICE_GLOBAL.STATE.tsa_enabled)" == "false" ]]; then
  echo "System is already in Normal mode"
  logger -t TSB -p user.info "System is already in Normal mode"
else
  # toggle the mux to auto if dualtor
  if [[ "$(sonic-cfggen -d -v DEVICE_METADATA.localhost.subtype | tr [:upper:] [:lower:])" == *"dualtor"* ]];
  then
    logger -t TSB -p user.info "Toggle all mux mode to auto"
    sudo config mux mode auto all
  fi

  /usr/bin/TS TSB
  echo "Please execute 'config save' to preserve System mode in Normal state after reboot or config reload"
fi