update testbed-cli.sh

1. remove dut with dpu string, otherwise when add topo, we don't need to add topo for dpu
2. remove space for duts, otherwise it when using echo to create fail will fail

ansible/testbed-cli.sh

@@ -165,6 +165,8 @@ function read_yaml
   dut=${line_arr[11]}
   duts=$(python -c "from __future__ import print_function; print(','.join(eval(\"$dut\")))")
   inv_name=${line_arr[12]}
+  # Remove the dpu duts by the keyword 'dpu' in the dut name
+  duts=$(echo $duts | sed "s/,[^,]*dpu[^,]*//g")
 }
 
 function read_file
@@ -283,7 +285,7 @@ function add_topo
 
   cache_files_path_value=$(is_cache_exist)
   if [[ -n $cache_files_path_value ]]; then
-    echo "$testbed_name" > $cache_files_path_value/$dut
+    echo "$testbed_name" > $cache_files_path_value/$duts
   fi
 
   echo Done
@@ -694,7 +696,7 @@ function deploy_topo_with_cache
   fi
 
   read_file ${testbed_name}
-  setup_name=$dut
+  setup_name=$duts
   if [[ "$setup_name" == "" ]]; then
       echo "No such testbed: $testbed_name, exiting..."
       exit