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8d7ba2bea2
Automatic merge from submit-queue (batch tested with PRs 43149, 41399, 43154, 43569, 42507) Distribute load in cluster load tests uniformly This PR makes cluster logging load tests distribute logging uniformly, to avoid situation, where 80% of pods are allocated on one node and overall results are worse then it could be.
65 lines
2.1 KiB
Go
65 lines
2.1 KiB
Go
/*
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Copyright 2016 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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"fmt"
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"time"
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meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/kubernetes/test/e2e/framework"
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. "github.com/onsi/ginkgo"
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)
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var _ = framework.KubeDescribe("Cluster level logging using GCL", func() {
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f := framework.NewDefaultFramework("gcl-logging")
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BeforeEach(func() {
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framework.SkipUnlessProviderIs("gce", "gke")
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})
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It("should check that logs from containers are ingested in GCL", func() {
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podName := "synthlogger"
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gclLogsProvider, err := newGclLogsProvider(f)
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framework.ExpectNoError(err, "Failed to create GCL logs provider")
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err = gclLogsProvider.EnsureWorking()
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framework.ExpectNoError(err, "GCL is not working")
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err = ensureSingleFluentdOnEachNode(f, gclLogsProvider.FluentdApplicationName())
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framework.ExpectNoError(err, "Fluentd deployed incorrectly")
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By("Running synthetic logger")
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pod := createLoggingPod(f, podName, "", 10*60, 10*time.Minute)
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defer f.PodClient().Delete(podName, &meta_v1.DeleteOptions{})
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err = framework.WaitForPodNameRunningInNamespace(f.ClientSet, podName, f.Namespace.Name)
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framework.ExpectNoError(err, fmt.Sprintf("Should've successfully waited for pod %s to be running", podName))
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By("Waiting for logs to ingest")
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config := &loggingTestConfig{
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LogsProvider: gclLogsProvider,
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Pods: []*loggingPod{pod},
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IngestionTimeout: 10 * time.Minute,
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MaxAllowedLostFraction: 0,
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MaxAllowedFluentdRestarts: 0,
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}
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framework.ExpectNoError(waitForSomeLogs(f, config), "Failed to ingest logs")
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})
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})
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