Github user priyank5485 commented on a diff in the pull request:
https://github.com/apache/storm/pull/1451#discussion_r66382723
--- Diff: storm-core/src/ui/public/topology.html ---
@@ -384,8 +389,51 @@ <h2 id="topology-resources-header">Topology
resources</h2>
$('#topology-configuration [data-toggle="tooltip"]').tooltip();
$('#topology-actions [data-toggle="tooltip"]').tooltip();
$('#topology-visualization [data-toggle="tooltip"]').tooltip();
+
+ var lagUrl = "/api/v1/topology/"+topologyId+"/lag";
+ $.getJSON(lagUrl,function(lagResponse,status,jqXHR) {
+ if (lagResponse !== null && lagResponse !== undefined &&
lagResponse instanceof Array && lagResponse.length > 0) {
+ var kafkaSpoutsLagTemplate =
$(template).filter("#topology-kafka-spouts-lag-template").html();
+ var spoutsErrorTemplate =
$(template).filter("#topology-spouts-lag-error-template").html();
+
+ var kafkaSpoutLags = lagResponse.filter(function(ele)
{return ele.spoutType === "KAFKA";});
+ var isJson = function (input) {
+ try {
+ JSON.parse(input);
+ } catch (e) {
+ return false;
+ }
+ return true;
+ };
+ var kafkaSpoutsValidResults =
kafkaSpoutLags.filter(function (ele) {return isJson(ele.spoutLagResult);});
+ var kafkaSpoutsErrorResults =
kafkaSpoutLags.filter(function (ele) {return !isJson(ele.spoutLagResult);});
+ var data = {};
+ if (kafkaSpoutsValidResults.length > 0) {
+ data.kafkaSpoutsLagResults = [];
+ kafkaSpoutsValidResults.forEach(function(ele) {
+ var spoutLagResult = JSON.parse(ele.spoutLagResult);
+ spoutLagResult.forEach(function(ele2) {
--- End diff --
We would still need the for loop as need to flatten the results out. I
chose to use id in the json passed to template since the template uses id in
other tables for ui. If you are fine we can leave it as is.
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