Fix: replace gpscp with gpsync in ext fts (#470)

After commit 2ff7b0c, CBDB replaced gpscp with gpsync, but without change the external FTS logic.
Also looks like CI(icw-external-fts) using the wrong package .

Author: jiaqizho

gpMgmt/bin/gpstart

@@ -98,7 +98,7 @@ class GpStart:
 
         etcd_config_tmp_file = "/tmp/cbdb_etcd.conf"
         coordinator_data_directory = os.environ.get("COORDINATOR_DATA_DIRECTORY")
-        copy_etcd_config_file_cmd = f"gpscp -f {self.fts_hosts} {coordinator_data_directory + '/config' + '/cbdb_etcd.conf'} =:{etcd_config_tmp_file}"
+        copy_etcd_config_file_cmd = f"gpsync -f {self.fts_hosts} {coordinator_data_directory + '/config' + '/cbdb_etcd.conf'} =:{etcd_config_tmp_file}"
         subprocess.check_output(copy_etcd_config_file_cmd, shell=True)
         logger.info("Begin to start all FTS process.")
         isdemo = (len(fts_host_machine_list) == 1)

gpMgmt/bin/lib/gp_bash_functions.sh

@@ -1301,9 +1301,9 @@ SETUP_FTS() {
     FTS_LOG_DIR=$2
     FTS_START_MODE=$3
     if [ "$FTS_START_MODE" = "DEMO" ];then
-        nohup $GPHOME/bin/gpfts -F $GPHOME/bin/config/cbdb_etcd_default.conf -d ${FTS_LOG_DIR}/log/fts -D -C -a >/dev/null 2>&1 &
+        nohup $GPHOME/bin/gpsync -F $GPHOME/bin/config/cbdb_etcd_default.conf -d ${FTS_LOG_DIR}/log/fts -D -C -a >/dev/null 2>&1 &
     else
-        gpscp -h ${FTS_HOST} $ETCD_CONFIG_FILE_PATH =:${ETCD_CONFIG_TMP_FILE}
+        gpsync -h ${FTS_HOST} $ETCD_CONFIG_FILE_PATH =:${ETCD_CONFIG_TMP_FILE}
         FTS_CMD="mkdir -p ${FTS_LOG_DIR}/log/fts;nohup ${GPHOME}/bin/gpfts -F ${ETCD_CONFIG_TMP_FILE} -d ${FTS_LOG_DIR}/log/fts >/dev/null 2>&1 &"
         gpssh -h ${FTS_HOST} -e "${FTS_CMD}"
     fi