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Fix dns autoscaling test for Regional Clusters

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This commit is contained in:
wojtekt 2018-04-06 16:09:10 +02:00
parent 5648200571
commit 7076eed0b9
1 changed files with 5 additions and 7 deletions
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12
test/e2e/autoscaling/dns_autoscaling.go
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@ -99,9 +99,11 @@ var _ = SIGDescribe("DNS horizontal autoscaling", func() {
// This test is separated because it is slow and need to run serially.
// Will take around 5 minutes to run on a 4 nodes cluster.
It("[Serial] [Slow] kube-dns-autoscaler should scale kube-dns pods when cluster size changed", func() {
numNodes, err := framework.NumberOfRegisteredNodes(c)
Expect(err).NotTo(HaveOccurred())
By("Replace the dns autoscaling parameters with testing parameters")
err := updateDNSScalingConfigMap(c, packDNSScalingConfigMap(packLinearParams(&DNSParams_1)))
err = updateDNSScalingConfigMap(c, packDNSScalingConfigMap(packLinearParams(&DNSParams_1)))
Expect(err).NotTo(HaveOccurred())
defer func() {
By("Restoring initial dns autoscaling parameters")
@ -117,25 +119,21 @@ var _ = SIGDescribe("DNS horizontal autoscaling", func() {
Expect(waitForDNSReplicasSatisfied(c, getExpectReplicasLinear, DNSdefaultTimeout)).NotTo(HaveOccurred())
originalSizes := make(map[string]int)
sum := 0
for _, mig := range strings.Split(framework.TestContext.CloudConfig.NodeInstanceGroup, ",") {
size, err := framework.GroupSize(mig)
Expect(err).NotTo(HaveOccurred())
By(fmt.Sprintf("Initial size of %s: %d", mig, size))
originalSizes[mig] = size
sum += size
}
By("Manually increase cluster size")
increasedSize := 0
increasedSizes := make(map[string]int)
for key, val := range originalSizes {
increasedSizes[key] = val + 1
increasedSize += increasedSizes[key]
}
setMigSizes(increasedSizes)
Expect(WaitForClusterSizeFunc(c,
func(size int) bool { return size == increasedSize }, scaleUpTimeout)).NotTo(HaveOccurred())
func(size int) bool { return size == numNodes+len(originalSizes) }, scaleUpTimeout)).NotTo(HaveOccurred())
By("Wait for kube-dns scaled to expected number")
getExpectReplicasLinear = getExpectReplicasFuncLinear(c, &DNSParams_1)
@ -151,7 +149,7 @@ var _ = SIGDescribe("DNS horizontal autoscaling", func() {
By("Restoring cluster size")
setMigSizes(originalSizes)
Expect(framework.WaitForReadyNodes(c, sum, scaleDownTimeout)).NotTo(HaveOccurred())
Expect(framework.WaitForReadyNodes(c, numNodes, scaleDownTimeout)).NotTo(HaveOccurred())
By("Wait for kube-dns scaled to expected number")
Expect(waitForDNSReplicasSatisfied(c, getExpectReplicasLinear, DNSdefaultTimeout)).NotTo(HaveOccurred())