Move the sig-instrumentation test to a dedicated folder

test/e2e/framework/metrics/api_server_metrics.go

@@ -0,0 +1,44 @@
+/*
+Copyright 2015 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package metrics
+
+type ApiServerMetrics Metrics
+
+func (m *ApiServerMetrics) Equal(o ApiServerMetrics) bool {
+	return (*Metrics)(m).Equal(Metrics(o))
+}
+
+func NewApiServerMetrics() ApiServerMetrics {
+	result := NewMetrics()
+	return ApiServerMetrics(result)
+}
+
+func parseApiServerMetrics(data string) (ApiServerMetrics, error) {
+	result := NewApiServerMetrics()
+	if err := parseMetrics(data, (*Metrics)(&result)); err != nil {
+		return ApiServerMetrics{}, err
+	}
+	return result, nil
+}
+
+func (g *MetricsGrabber) getMetricsFromApiServer() (string, error) {
+	rawOutput, err := g.client.Core().RESTClient().Get().RequestURI("/metrics").Do().Raw()
+	if err != nil {
+		return "", err
+	}
+	return string(rawOutput), nil
+}