110 lines
3.8 KiB
Go
110 lines
3.8 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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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 e2e
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import (
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"context"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/kubernetes/test/e2e/framework"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = framework.KubeDescribe("Kibana Logging Instances Is Alive [Feature:Elasticsearch]", func() {
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f := framework.NewDefaultFramework("kibana-logging")
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BeforeEach(func() {
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// TODO: For now assume we are only testing cluster logging with Elasticsearch
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// and Kibana on GCE. Once we are sure that Elasticsearch and Kibana cluster level logging
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// works for other providers we should widen this scope of this test.
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framework.SkipUnlessProviderIs("gce")
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})
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It("should check that the Kibana logging instance is alive", func() {
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ClusterLevelLoggingWithKibana(f)
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})
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})
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const (
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kibanaKey = "k8s-app"
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kibanaValue = "kibana-logging"
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)
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// ClusterLevelLoggingWithKibana is an end to end test that checks to see if Kibana is alive.
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func ClusterLevelLoggingWithKibana(f *framework.Framework) {
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// graceTime is how long to keep retrying requests for status information.
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const graceTime = 20 * time.Minute
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// Check for the existence of the Kibana service.
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By("Checking the Kibana service exists.")
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s := f.ClientSet.Core().Services(metav1.NamespaceSystem)
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// Make a few attempts to connect. This makes the test robust against
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// being run as the first e2e test just after the e2e cluster has been created.
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var err error
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for start := time.Now(); time.Since(start) < graceTime; time.Sleep(5 * time.Second) {
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if _, err = s.Get("kibana-logging", metav1.GetOptions{}); err == nil {
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break
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}
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framework.Logf("Attempt to check for the existence of the Kibana service failed after %v", time.Since(start))
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}
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Expect(err).NotTo(HaveOccurred())
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// Wait for the Kibana pod(s) to enter the running state.
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By("Checking to make sure the Kibana pods are running")
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label := labels.SelectorFromSet(labels.Set(map[string]string{kibanaKey: kibanaValue}))
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options := metav1.ListOptions{LabelSelector: label.String()}
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pods, err := f.ClientSet.Core().Pods(metav1.NamespaceSystem).List(options)
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Expect(err).NotTo(HaveOccurred())
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for _, pod := range pods.Items {
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err = framework.WaitForPodRunningInNamespace(f.ClientSet, &pod)
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Expect(err).NotTo(HaveOccurred())
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}
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By("Checking to make sure we get a response from the Kibana UI.")
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err = nil
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for start := time.Now(); time.Since(start) < graceTime; time.Sleep(5 * time.Second) {
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proxyRequest, errProxy := framework.GetServicesProxyRequest(f.ClientSet, f.ClientSet.Core().RESTClient().Get())
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if errProxy != nil {
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framework.Logf("After %v failed to get services proxy request: %v", time.Since(start), errProxy)
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err = errProxy
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continue
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}
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ctx, cancel := context.WithTimeout(context.Background(), framework.SingleCallTimeout)
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defer cancel()
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// Query against the root URL for Kibana.
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_, err = proxyRequest.Namespace(metav1.NamespaceSystem).
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Context(ctx).
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Name("kibana-logging").
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DoRaw()
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if err != nil {
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if ctx.Err() != nil {
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framework.Failf("After %v proxy call to kibana-logging failed: %v", time.Since(start), err)
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break
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}
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framework.Logf("After %v proxy call to kibana-logging failed: %v", time.Since(start), err)
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continue
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}
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break
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}
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Expect(err).NotTo(HaveOccurred())
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}
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