1 files changed, 56 insertions, 0 deletions
diff --git a/configserver/src/main/java/com/yahoo/vespa/config/server/http/v2/MetricsResponse.java b/configserver/src/main/java/com/yahoo/vespa/config/server/http/v2/MetricsResponse.java
new file mode 100644
index 00000000000..88971433a01
--- /dev/null
+++ b/configserver/src/main/java/com/yahoo/vespa/config/server/http/v2/MetricsResponse.java
@@ -0,0 +1,56 @@
+// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.vespa.config.server.http.v2;
+
+import com.yahoo.config.provision.ApplicationId;
+import com.yahoo.container.jdisc.HttpResponse;
+import com.yahoo.slime.Cursor;
+import com.yahoo.slime.JsonFormat;
+import com.yahoo.slime.Slime;
+import com.yahoo.vespa.config.server.http.HttpConfigResponse;
+import com.yahoo.vespa.config.server.metrics.ClusterInfo;
+import com.yahoo.vespa.config.server.metrics.MetricsAggregator;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Map;
+
+/**
+ * @author olaa
+ */
+public class MetricsResponse extends HttpResponse {
+
+    private final Slime slime = new Slime();
+
+    public MetricsResponse(int status, ApplicationId applicationId, Map<ClusterInfo, MetricsAggregator> aggregatedMetrics) {
+        super(status);
+
+        Cursor application = slime.setObject();
+        application.setString("applicationId", applicationId.serializedForm());
+
+        Cursor clusters = application.setArray("clusters");
+
+        for (var entry : aggregatedMetrics.entrySet()) {
+            Cursor cluster = clusters.addObject();
+            cluster.setString("clusterId", entry.getKey().getClusterId());
+            cluster.setString("clusterType", entry.getKey().getClusterType().name());
+
+            MetricsAggregator aggregator = entry.getValue();
+            Cursor metrics = cluster.setObject("metrics");
+            aggregator.aggregateQueryRate().ifPresent(queryrate -> metrics.setDouble("queriesPerSecond", queryrate));
+            aggregator.aggregateFeedRate().ifPresent(feedRate -> metrics.setDouble("feedPerSecond", feedRate));
+            aggregator.aggregateDocumentCount().ifPresent(documentCount -> metrics.setDouble("documentCount", documentCount));
+            aggregator.aggregateQueryLatency().ifPresent(queryLatency -> metrics.setDouble("queryLatency",queryLatency));
+            aggregator.aggregateFeedLatency().ifPresent(feedLatency -> metrics.setDouble("feedLatency", feedLatency));
+        }
+    }
+
+    @Override
+    public void render(OutputStream outputStream) throws IOException {
+        new JsonFormat(false).encode(outputStream, slime);
+    }
+
+    @Override
+    public String getContentType() {
+        return HttpConfigResponse.JSON_CONTENT_TYPE;
+    }
+}