-${publickey} %{HOME}/.ssh/id_rsa.pub
-${privatekey} %{HOME}/.ssh/id_rsa
-${username} ubuntu
-${password} ${EMPTY}
-
-${action_name} touch
-${vnf_member_index_1} vnf1
-${vnf_member_index_2} vnf2
-${day_1_file_name} /home/ubuntu/first-touch
-${day_2_file_name_1} /home/ubuntu/mytouch1
-${day_2_file_name_2} /home/ubuntu/mytouch2
-${ns_timeout} 15min
+${PUBLICKEY} %{HOME}/.ssh/id_rsa.pub
+${PRIVATEKEY} %{HOME}/.ssh/id_rsa
+${USERNAME} ubuntu
+${PASSWORD} ${EMPTY}
+
+${ACTION_NAME} touch
+${VNF_MEMBER_INDEX_1} vnf1
+${VNF_MEMBER_INDEX_2} vnf2
+${DAY_1_FILE_NAME} /home/ubuntu/first-touch
+${DAY_2_FILE_NAME_1} /home/ubuntu/mytouch1
+${DAY_2_FILE_NAME_2} /home/ubuntu/mytouch2
+${NS_TIMEOUT} 15min