Add test-e2e-kind target with hack script and artifact collection

Makefile

@@ -419,6 +419,12 @@ test-e2e: setup-test-e2e manifests generate fmt vet ## Run the e2e tests. Expect
 cleanup-test-e2e: ## Tear down the Kind cluster used for e2e tests
 	@$(KIND) delete cluster --name $(KIND_CLUSTER)
 
+.PHONY: test-e2e-kind
+test-e2e-kind: manifests generate fmt vet ## Run e2e tests on a Kind cluster with artifact collection and log export.
+	E2E_KIND_VERSION=$(E2E_KIND_VERSION) KIND=$(KIND) KIND_CLUSTER=$(KIND_CLUSTER) \
+	USE_EXISTING_CLUSTER=$(USE_EXISTING_CLUSTER) ARTIFACTS=$(ARTIFACTS) \
+	./hack/e2e-test.sh
+
 KUBEBUILDER_ASSETS ?= $(shell $(SETUP_ENVTEST) use --use-env -p path $(KUBEBUILDER_ENVTEST_KUBERNETES_VERSION))
 
 .PHONY: setup-envtest

hack/e2e-test.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+
+# Copyright The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+export KIND=${KIND:-kind}
+export KUBECTL=${KUBECTL:-kubectl}
+
+KIND_CLUSTER="${KIND_CLUSTER:-nrr-test}"
+USE_EXISTING_CLUSTER="${USE_EXISTING_CLUSTER:-false}"
+ARTIFACTS="${ARTIFACTS:-.}"
+E2E_KIND_VERSION="${E2E_KIND_VERSION:-v1.36}"
+
+if [[ "$E2E_KIND_VERSION" =~ ^v[0-9]+\.[0-9]+$ ]]; then
+    K8S_VERSION=$(curl -sf \
+        "https://api.github.com/repos/kubernetes/kubernetes/git/matching-refs/tags/${E2E_KIND_VERSION}." \
+        | grep -oP 'v[0-9]+\.[0-9]+\.[0-9]+(?=")' \
+        | sort -V | tail -1)
+    if [ -z "$K8S_VERSION" ]; then
+        echo "ERROR: could not resolve latest patch for ${E2E_KIND_VERSION}" >&2
+        exit 1
+    fi
+else
+    K8S_VERSION="$E2E_KIND_VERSION"
+fi
+
+# Use a temporary KUBECONFIG so that the script does not mess up the current user's kubeconfig.
+KUBECONFIG=""
+
+function cleanup {
+    if [ "$USE_EXISTING_CLUSTER" != 'true' ]; then
+        mkdir -p "$ARTIFACTS"
+        $KIND export logs "$ARTIFACTS" --name "$KIND_CLUSTER" || true
+        $KIND delete cluster --name "$KIND_CLUSTER" || true
+        [ -n "$KUBECONFIG" ] && rm -f "$KUBECONFIG"
+    fi
+}
+
+function build_node_image {
+    if [ "$USE_EXISTING_CLUSTER" != 'true' ]; then
+        $KIND build node-image "$K8S_VERSION" --image nrr/kind-node:"${K8S_VERSION}"
+    fi
+}
+
+function startup {
+    if [ "$USE_EXISTING_CLUSTER" != 'true' ]; then
+        KUBECONFIG="$(mktemp)"
+        if [ -z "$KUBECONFIG" ]; then
+            echo "Failed to generate temporary KUBECONFIG" 1>&2
+            exit 1
+        fi
+        export KUBECONFIG
+        $KIND create cluster --name "$KIND_CLUSTER" --image nrr/kind-node:"${K8S_VERSION}" --wait 1m
+        $KUBECTL get nodes > "$ARTIFACTS/kind-nodes.log" 2>/dev/null || true
+        $KUBECTL describe pods -n kube-system > "$ARTIFACTS/kube-system-pods.log" 2>/dev/null || true
+    fi
+}
+
+mkdir -p "$ARTIFACTS"
+trap cleanup EXIT
+build_node_image
+startup
+
+go test -tags=e2e ./test/e2e/ -v -ginkgo.v \
+    --ginkgo.junit-report="$ARTIFACTS/junit.xml"

test/e2e/e2e_test.go

@@ -84,6 +84,21 @@ var _ = Describe("Manager", Ordered, func() {
 		cmd := exec.Command("kubectl", "delete", "pod", "curl-metrics", "-n", namespace)
 		_, _ = utils.Run(cmd)
 
+		// Collect controller logs and pod descriptions to ARTIFACTS before teardown.
+		if artifactsDir := os.Getenv("ARTIFACTS"); artifactsDir != "" {
+			By("collecting controller-manager logs to ARTIFACTS")
+			if logsOut, err := utils.Run(exec.Command("kubectl", "logs", "-n", namespace,
+				"deployment/nrr-controller-manager", "--all-containers")); err == nil {
+				_ = os.WriteFile(filepath.Join(artifactsDir, "nrr-controller-manager.log"),
+					[]byte(logsOut), 0o644)
+			}
+			By("collecting nrr-system pod descriptions to ARTIFACTS")
+			if descOut, err := utils.Run(exec.Command("kubectl", "describe", "pods", "-n", namespace)); err == nil {
+				_ = os.WriteFile(filepath.Join(artifactsDir, "nrr-system-pods.log"),
+					[]byte(descOut), 0o644)
+			}
+		}
+
 		By("undeploying the controller-manager")
 		cmd = exec.Command("make", "undeploy")
 		_, _ = utils.Run(cmd)