/** Get metrics data for this service node (self) for current interval. */
public MetricsData getMyMetrics(String clusterId, String serviceId) {
String key = clusterId + "/" + serviceId + "/" + getContext().getZkNodeId().getPathToken();
ExportMeta exportMeta = exportPathMap.get(key);
if (exportMeta == null) {
logger.trace(
"MetricsData not found: data has not been exported: clusterId={}; serviceId={}; exportMeta={}",
clusterId,
serviceId,
exportMeta);
return null;
}
if (exportMeta.dataPath == null) {
logger.trace(
"MetricsData not found: waiting for data to be reported in ZK: clusterId={}; serviceId={}; exportMeta.dataPath={}",
clusterId,
serviceId,
exportMeta.dataPath);
synchronized (exportMeta) {
try {
exportMeta.wait();
} catch (InterruptedException e) {
logger.warn("Interrupted while waiting: " + e, e);
}
}
}
try {
logger.debug("Retrieving metrics: path={}", exportMeta.dataPath);
Stat stat = new Stat();
byte[] bytes = getContext().getZkClient().getData(exportMeta.dataPath, true, stat);
MetricsData metricsData = JacksonUtil.getObjectMapper().readValue(bytes, MetricsData.class);
metricsData.setClusterId(clusterId);
metricsData.setServiceId(serviceId);
metricsData.setLastUpdatedTimestamp(stat.getMtime());
return metricsData;
} catch (KeeperException e) {
if (e.code() == KeeperException.Code.NONODE) {
return null;
}
throw new ReignException(e);
} catch (Exception e) {
throw new ReignException(e);
}
}
