github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-23 19:56:01 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #104322 from x13n/master

Browse Source 
Increase time to wait for nodes to become unready
This commit is contained in:
Kubernetes Prow Robot 2021-08-13 04:14:23 -07:00 committed by GitHub
commit 28408bf252
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
test/e2e/autoscaling/cluster_size_autoscaling.go
View File

@ -888,15 +888,11 @@ var _ = SIGDescribe("Cluster size autoscaling [Slow]", func() {
// If new nodes are disconnected too soon, they'll be considered not started
// instead of unready, and cluster won't be considered unhealthy.
//
// More precisely, Cluster Autoscaler compares last transition time of
// several readiness conditions to node create time. If it's within
// 2 minutes, it'll assume node is just starting and not unhealthy.
//
// Nodes become ready in less than 1 minute after being created,
// 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)
// More precisely, Cluster Autoscaler will never consider a
// node to be unhealthy unless it was created more than 15m
// ago. Within that 15m window, it'll assume node is just
// starting and not unhealthy.
time.Sleep(15 * time.Minute)
ginkgo.By("Block network connectivity to some nodes to simulate unhealthy cluster")
nodesToBreakCount := int(math.Ceil(math.Max(float64(unhealthyClusterThreshold), 0.5*float64(clusterSize))))