public static TarsUpstream buildDefaultTarsUpstream(final String host, final Integer port) {
        return TarsUpstream.builder().upstreamUrl(buildUrl(host, port))
                .weight(DEFAULT_WEIGHT).warmup(Constants.WARMUP_TIME)
                .timestamp(System.currentTimeMillis())
                .status(Objects.nonNull(port) && StringUtils.isNotBlank(host))
                .build();
    }
Build default tars upstream tars upstream.

@param host the host
@param port the port
@return the tars upstream
shenyu-admin/src/main/java/org/apache/shenyu/admin/utils/CommonUpstreamUtils.java