priyeshkaratha commented on code in PR #9681:
URL: https://github.com/apache/ozone/pull/9681#discussion_r2802503403
##########
hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/api/StorageDistributionEndpoint.java:
##########
@@ -114,6 +128,85 @@ public Response getStorageDistribution() {
}
}
+ @GET
+ @Path("/download")
+ public Response downloadDataNodeDistribution() {
+ DataNodeMetricsServiceResponse metricsResponse =
+ dataNodeMetricsService.getCollectedMetrics(null);
+
+ if (metricsResponse.getStatus() !=
DataNodeMetricsService.MetricCollectionStatus.FINISHED) {
+ return Response.status(Response.Status.ACCEPTED)
+ .entity(metricsResponse)
+ .type(MediaType.APPLICATION_JSON)
+ .build();
+ }
+
+ List<DatanodePendingDeletionMetrics> pendingDeletionMetrics =
+ metricsResponse.getPendingDeletionPerDataNode();
+
+ if (pendingDeletionMetrics == null) {
+ return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+ .entity("Metrics data is missing despite FINISHED status.")
+ .type(MediaType.TEXT_PLAIN)
+ .build();
+ }
+
+ Map<String, DatanodeStorageReport> reportByUuid =
+ collectDatanodeReports().stream()
+ .collect(Collectors.toMap(
+ DatanodeStorageReport::getDatanodeUuid,
+ Function.identity()));
+
+ StreamingOutput stream = output -> {
+ CSVFormat format = CSVFormat.DEFAULT.builder()
+ .setHeader(
+ "HostName",
+ "Datanode UUID",
+ "Capacity",
+ "Used Space",
+ "Remaining Space",
+ "Committed Space",
+ "Reserved Space",
+ "Minimum Free Space",
+ "Pending Block Size")
Review Comment:
Yes, that will be better. Updated
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