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OCPBUGS-113581: Raise status polling timeout and write bound #31553

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OCPBUGS-113581: Raise status polling timeout and write bound #31553

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14 changes: 10 additions & 4 deletions test/extended/router/stress.go
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Original file line number Diff line number Diff line change
Expand Up @@ -202,7 +202,11 @@ var _ = g.Describe("[sig-network][Feature:Router][apigroup:route.openshift.io]",
o.Expect(err).NotTo(o.HaveOccurred())

g.By("waiting for sufficient routes to have a status")
err = wait.Poll(5*time.Second, 2*time.Minute, func() (bool, error) {

// The leader election lease lasts 1 minute. Normally all route statuses are written
// within 1-2 lease cycles when handling conflicts. Under heavier contention a replica
// may need to re-acquire the lease 3 or more times until all routes are updated.
err = wait.Poll(5*time.Second, 5*time.Minute, func() (bool, error) {
routes, err := client.List(context.Background(), metav1.ListOptions{})
if err != nil {
return false, err
Expand Down Expand Up @@ -241,10 +245,12 @@ var _ = g.Describe("[sig-network][Feature:Router][apigroup:route.openshift.io]",
// Next, we expect 1-2 more writes per route until per-route contention activates.
// Next, we expect the maxContention logic to activate and stop all updates when the routers detect > 5
// contentions.
// In total, we expect around 30-35 writes, but we generously allow for up to 50 writes to accommodate for
// minor discrepancies in contention tracker logic.
// In total, we expect around 30-35 writes. The actual count can be higher when the
// asynchronous contention detector lags behind update events, allowing a few extra
// writes before updates are suppressed. The previous limit of 50 caused intermittent
// failures; 75 is a more conservative bound.
o.Expect(writes).To(o.BeNumerically(">=", numOfRoutes))
o.Expect(writes).To(o.BeNumerically("<=", 50))
o.Expect(writes).To(o.BeNumerically("<=", 75))

// the os_http_be.map file will vary, so only check the haproxy config
verifyCommandEquivalent(oc.KubeClient(), rs, "md5sum /var/lib/haproxy/conf/haproxy.config")
Expand Down