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Merge pull request #104322 from x13n/master

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Increase time to wait for nodes to become unready
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Kubernetes Prow Robot 2021-08-13 04:14:23 -07:00 committed by GitHub
commit 28408bf252
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1 changed files with 5 additions and 9 deletions
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14
test/e2e/autoscaling/cluster_size_autoscaling.go
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@ -888,15 +888,11 @@ var _ = SIGDescribe("Cluster size autoscaling [Slow]", func() {
// If new nodes are disconnected too soon, they'll be considered not started // If new nodes are disconnected too soon, they'll be considered not started
// instead of unready, and cluster won't be considered unhealthy. // instead of unready, and cluster won't be considered unhealthy.
// //
// More precisely, Cluster Autoscaler compares last transition time of // More precisely, Cluster Autoscaler will never consider a
// several readiness conditions to node create time. If it's within // node to be unhealthy unless it was created more than 15m
// 2 minutes, it'll assume node is just starting and not unhealthy. // ago. Within that 15m window, it'll assume node is just
// // starting and not unhealthy.
// Nodes become ready in less than 1 minute after being created, time.Sleep(15 * time.Minute)
// so waiting extra 2 minutes before breaking them (which triggers
// readiness condition transition) should be sufficient, while
// making no assumptions about minimal node startup time.
time.Sleep(2 * time.Minute)
ginkgo.By("Block network connectivity to some nodes to simulate unhealthy cluster") ginkgo.By("Block network connectivity to some nodes to simulate unhealthy cluster")
nodesToBreakCount := int(math.Ceil(math.Max(float64(unhealthyClusterThreshold), 0.5*float64(clusterSize)))) nodesToBreakCount := int(math.Ceil(math.Max(float64(unhealthyClusterThreshold), 0.5*float64(clusterSize))))