private static List<MetricInfo> parseMetrics(String rawMetricStr) {
try {
return Resources.jsonMapper.readValue(rawMetricStr, new TypeReference<List<MetricInfo>>() {});
} catch (Exception e) {
log.error(e, "failed to parse metric infos");
return Collections.emptyList();
}
}
void checkAlarm(MetricInfo info, Map<String, String> tags) {
boolean shouldWarn = false;
if (watcher == Watcher.ShouldBigger) {
shouldWarn = info.value < threshold;
} else if (watcher == Watcher.ShouldSmaller) {
shouldWarn = info.value > threshold;
}
if (shouldWarn && Config.config.druidInfos.shouldWarn(info.metric)) {
String warnMsg = getWarning(info, tags);
Utils.sendNotify("druid", warnMsg);
log.warn("druid - " + warnMsg);
}
}