priyeshkaratha commented on code in PR #9326:
URL: https://github.com/apache/ozone/pull/9326#discussion_r2543000004
##########
hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/ReconUtils.java:
##########
@@ -847,4 +899,53 @@ public static String constructObjectPathWithPrefix(long...
ids) {
}
return pathBuilder.toString();
}
+
+ public static long getMetricsFromDatanode(DatanodeDetails datanode, String
service, String name, String keyName)
+ throws IOException {
+ // Construct metrics URL for DataNode JMX endpoint
+ String metricsUrl =
String.format("http://%s:%d/jmx?qry=Hadoop:service=%s,name=%s";,
+ datanode.getIpAddress(),
+ datanode.getPort(DatanodeDetails.Port.Name.HTTP).getValue(),
+ service,
+ name);
+ HttpGet request = new HttpGet(metricsUrl);
+ try (CloseableHttpResponse response = httpClient.execute(request)) {
+ if (response.getStatusLine().getStatusCode() != 200) {
+ throw new IOException("HTTP request failed with status: " +
+ response.getStatusLine().getStatusCode());
+ }
+
+ String jsonResponse = EntityUtils.toString(response.getEntity());
+ return parseMetrics(jsonResponse, name, keyName);
+ } catch (IOException e) {
+ log.error("Error getting metrics from datanode: {}",
datanode.getIpAddress(), e);
+ }
+ return 0;
Review Comment:
Handled
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