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Merge pull request #49013 from crassirostris/sd-logging-e2e-soak-test-fix 

Automatic merge from submit-queue (batch tested with PRs 48983, 49013)

Reduce SD Logging soak test duration & fix problem with multiple nodes

Fixes https://github.com/kubernetes/kubernetes/issues/49012

/cc @piosz
pull/6/head
Kubernetes Submit Queue 2017-07-18 02:23:45 -07:00 committed by GitHub
parent b0b0400516 1710549f1f
commit 54b68a2a3f
1 changed files with 18 additions and 7 deletions
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23
test/e2e/instrumentation/logging/sd_soak.go
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@ -21,7 +21,6 @@ import (
"math"
"time"
meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/kubernetes/test/e2e/framework"
"k8s.io/kubernetes/test/e2e/instrumentation"
@ -53,9 +52,10 @@ var _ = instrumentation.SIGDescribe("Cluster level logging implemented by Stackd
nodes := framework.GetReadySchedulableNodesOrDie(f.ClientSet).Items
maxPodCount := 10
jobDuration := 1 * time.Hour
jobDuration := 30 * time.Minute
linesPerPodPerSecond := 100
testDuration := 21 * time.Hour
// TODO(crassirostris): Increase to 21 hrs
testDuration := 3 * time.Hour
ingestionTimeout := testDuration + 30*time.Minute
allowedRestarts := int(math.Ceil(float64(testDuration) /
float64(time.Hour) * maxAllowedRestartsPerHour))
@ -64,20 +64,31 @@ var _ = instrumentation.SIGDescribe("Cluster level logging implemented by Stackd
podRunCount := maxPodCount*(int(testDuration/jobDuration)-1) + 1
linesPerPod := linesPerPodPerSecond * int(jobDuration.Seconds())
// pods is a flat array of all pods to be run and to expect in Stackdriver.
pods := []*loggingPod{}
// podsByRun is a two-dimensional array of pods, first dimension is the run
// index, the second dimension is the node index. Since we want to create
// an equal load on all nodes, for the same run we have one pod per node.
podsByRun := [][]*loggingPod{}
for runIdx := 0; runIdx < podRunCount; runIdx++ {
podsInRun := []*loggingPod{}
for nodeIdx, node := range nodes {
podName := fmt.Sprintf("job-logs-generator-%d-%d-%d-%d", maxPodCount, linesPerPod, runIdx, nodeIdx)
pods = append(pods, newLoggingPod(podName, node.Name, linesPerPod, jobDuration))
pod := newLoggingPod(podName, node.Name, linesPerPod, jobDuration)
pods = append(pods, pod)
podsInRun = append(podsInRun, pod)
}
podsByRun = append(podsByRun, podsInRun)
}
By("Running short-living pods")
go func() {
for _, pod := range pods {
for runIdx := 0; runIdx < podRunCount; runIdx++ {
// Starting one pod on each node.
for _, pod := range podsByRun[runIdx] {
pod.Start(f)
}
time.Sleep(podRunDelay)
defer f.PodClient().Delete(pod.Name, &meta_v1.DeleteOptions{})
}
// Waiting until the last pod has completed
time.Sleep(jobDuration - podRunDelay + lastPodIngestionSlack)