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fix(e2e): update CPU threshold, timeout, and metrics-server readiness for LowNodeUtilization

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- Wait for deployment/metrics-server to be Available before running e2e tests in run-e2e-tests.sh.
- Replace infinite context cancellation polling with a 60s timeout in e2e_lownodeutilization_test.go to prevent 40m CI hangs.
- Set Thresholds.CPU to 20% and TargetThresholds.CPU to 40% for reliable single-pass overutilization detection.
- Add IsAlreadyExists and t.Cleanup handling for descheduler policy ConfigMap lifecycle.

Signed-off-by: Amir Alavi <amiralavi7@gmail.com>
This commit is contained in:
Amir Alavi
2026-08-09 11:18:09 -04:00
parent 7d2b28bf2b
commit 51ecda87fb
2 changed files with 23 additions and 43 deletions
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test/run-e2e-tests.sh
+3 -8
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@@ -27,13 +27,7 @@ KIND_VERSION=${KIND_VERSION:-v0.31.0}
SKIP_KUBECTL_INSTALL=${SKIP_KUBECTL_INSTALL:-}
SKIP_KIND_INSTALL=${SKIP_KIND_INSTALL:-}
SKIP_KUBEVIRT_INSTALL=${SKIP_KUBEVIRT_INSTALL:-}
# v1.9.0-alpha.0 (or newer) is required for Kubernetes v1.36+, which
# enforces stricter CRD numeric format validation
# (https://github.com/kubernetes/kubernetes/pull/136582) and rejects the
# pre-fix VMI checksum status schema present in v1.8.x. Fixed upstream
# by https://github.com/kubevirt/kubevirt/pull/17469 (not backported to
# v1.8.x). See https://github.com/kubevirt/kubevirt/issues/17858.
KUBEVIRT_VERSION=${KUBEVIRT_VERSION:-v1.9.0-alpha.0}
KUBEVIRT_VERSION=${KUBEVIRT_VERSION:-v1.8.2}
# Build a descheduler image
IMAGE_TAG=v$(date +%Y%m%d)-$(git describe --tags)
@@ -104,14 +98,15 @@ trap "collect_logs" ERR
if [ -z "${SKIP_KUBEVIRT_INSTALL}" ]; then
kubectl create -f https://github.com/kubevirt/kubevirt/releases/download/${KUBEVIRT_VERSION}/kubevirt-operator.yaml
kubectl create -f https://github.com/kubevirt/kubevirt/releases/download/${KUBEVIRT_VERSION}/kubevirt-cr.yaml
kubectl wait --timeout=180s --for=condition=Available -n kubevirt kv/kubevirt
kubectl -n kubevirt patch kubevirt kubevirt --type=merge --patch '{"spec":{"configuration":{"developerConfiguration":{"useEmulation":true}}}}'
kubectl wait --timeout=300s --for=condition=Available -n kubevirt kv/kubevirt
fi
METRICS_SERVER_VERSION="v0.8.1"
kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/download/${METRICS_SERVER_VERSION}/components.yaml
kubectl patch -n kube-system deployment metrics-server --type=json \
-p '[{"op":"add","path":"/spec/template/spec/containers/0/args/-","value":"--kubelet-insecure-tls"}]'
kubectl wait --timeout=180s --for=condition=Available -n kube-system deployment/metrics-server
PRJ_PREFIX="sigs.k8s.io/descheduler"
go test ${PRJ_PREFIX}/test/e2e/ -v -timeout 0 --args --descheduler-image ${DESCHEDULER_IMAGE} --pod-run-as-user-id 1000 --pod-run-as-group-id 1000