From ed7e9bfb2084d901d4293db3af0dc8e01bf1bc85 Mon Sep 17 00:00:00 2001
From: gmarek <gmarek@google.com>
Date: Fri, 15 Jan 2016 09:57:07 +0100
Subject: [PATCH] Print only interesting Kubelet metrics in JSON printer

---
 test/e2e/metrics_util.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/test/e2e/metrics_util.go b/test/e2e/metrics_util.go
index 025b63408b..3b90e33396 100644
--- a/test/e2e/metrics_util.go
+++ b/test/e2e/metrics_util.go
@@ -49,6 +49,22 @@ const (
 
 type MetricsForE2E metrics.MetricsCollection
 
+func (m *MetricsForE2E) filterMetrics() {
+	interestingApiServerMetrics := make(metrics.ApiServerMetrics)
+	for _, metric := range InterestingApiServerMetrics {
+		interestingApiServerMetrics[metric] = (*m).ApiServerMetrics[metric]
+	}
+	interestingKubeletMetrics := make(map[string]metrics.KubeletMetrics)
+	for kubelet, grabbed := range (*m).KubeletMetrics {
+		interestingKubeletMetrics[kubelet] = make(metrics.KubeletMetrics)
+		for _, metric := range InterestingKubeletMetrics {
+			interestingKubeletMetrics[kubelet][metric] = grabbed[metric]
+		}
+	}
+	(*m).ApiServerMetrics = interestingApiServerMetrics
+	(*m).KubeletMetrics = interestingKubeletMetrics
+}
+
 func (m *MetricsForE2E) PrintHumanReadable() string {
 	buf := bytes.Buffer{}
 	for _, interestingMetric := range InterestingApiServerMetrics {
@@ -70,6 +86,7 @@ func (m *MetricsForE2E) PrintHumanReadable() string {
 }
 
 func (m *MetricsForE2E) PrintJSON() string {
+	m.filterMetrics()
 	return prettyPrintJSON(*m)
 }