116 lines
2.7 KiB
Go
116 lines
2.7 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"net/http/httptest"
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"strconv"
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"testing"
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"time"
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"k8s.io/kube-state-metrics/pkg/options"
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/kubernetes/fake"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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)
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func BenchmarkKubeStateMetrics(t *testing.B) {
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kubeClient := fake.NewSimpleClientset()
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if err := injectFixtures(kubeClient, 1000); err != nil {
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t.Errorf("error injecting pod add: %v", err)
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}
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opts := options.NewOptions()
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collectors := options.DefaultCollectors
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namespaces := options.DefaultNamespaces
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registry := prometheus.NewRegistry()
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registerCollectors(registry, kubeClient, collectors, namespaces, opts)
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handler := promhttp.HandlerFor(registry, promhttp.HandlerOpts{ErrorLog: promLogger{}})
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req := httptest.NewRequest("GET", "http://localhost:8080/metrics", nil)
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// Wait for informers to sync
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time.Sleep(time.Second)
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amountRequests := 10
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for i := 0; i < amountRequests; i++ {
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w := httptest.NewRecorder()
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handler.ServeHTTP(w, req)
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}
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}
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func injectFixtures(client *fake.Clientset, multiplier int) error {
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creators := []func(*fake.Clientset, int) error{
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configMap,
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pod,
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}
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for _, c := range creators {
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for i := 0; i < multiplier; i++ {
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err := c(client, i)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func configMap(client *fake.Clientset, index int) error {
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i := strconv.Itoa(index)
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configMap := v1.ConfigMap{
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ObjectMeta: metav1.ObjectMeta{
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Name: "configmap" + i,
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ResourceVersion: "123456",
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},
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}
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_, err := client.CoreV1().ConfigMaps(metav1.NamespaceDefault).Create(&configMap)
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return err
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}
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func pod(client *fake.Clientset, index int) error {
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i := strconv.Itoa(index)
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pod := v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "pod" + i,
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},
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Status: v1.PodStatus{
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ContainerStatuses: []v1.ContainerStatus{
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v1.ContainerStatus{
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Name: "container1",
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Image: "k8s.gcr.io/hyperkube1",
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ImageID: "docker://sha256:aaa",
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ContainerID: "docker://ab123",
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},
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},
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},
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}
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_, err := client.CoreV1().Pods(metav1.NamespaceDefault).Create(&pod)
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return err
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}
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