fix: align deploy-e2e-headlamp.sh to kube-vip plugin

- Fix comment referencing 'rook' -> 'kube-vip'
- Add error handling for kubectl apply failure
- Add cluster state dump on apply failure
- Align automountServiceAccountToken to match other plugins
- Remove spurious sleep 2 before rollout status

Co-Authored-By: Paperclip <noreply@paperclip.ing>

scripts/deploy-e2e-headlamp.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # deploy-e2e-headlamp.sh
 #
-# Deploys a stock Headlamp instance with the rook plugin loaded via
+# Deploys a stock Headlamp instance with the kube-vip plugin loaded via
 # a ConfigMap volume mount.
 #
 # E2E resources are deployed to the `headlamp-dev` namespace. Nothing
@@ -60,7 +60,7 @@ kubectl delete serviceaccount "${E2E_RELEASE}" -n "$E2E_NAMESPACE" --ignore-not-
 echo ""
 echo "Deploying Headlamp E2E instance..."
 
-kubectl apply -f - <<EOF
+if ! kubectl apply -f - <<EOF
 apiVersion: v1
 kind: ServiceAccount
 metadata:
@@ -88,7 +88,7 @@ spec:
         app.kubernetes.io/instance: ${E2E_RELEASE}
     spec:
       serviceAccountName: ${E2E_RELEASE}
-      automountServiceAccountToken: false
+      automountServiceAccountToken: true
       securityContext: {}
       containers:
         - name: headlamp
@@ -148,6 +148,12 @@ spec:
       targetPort: http
       protocol: TCP
 EOF
+then
+  echo "ERROR: kubectl apply failed. Dumping cluster state..." >&2
+  kubectl get all -n "$E2E_NAMESPACE" 2>&1 || true
+  kubectl get events -n "$E2E_NAMESPACE" --sort-by='.lastTimestamp' 2>&1 | tail -30 || true
+  exit 1
+fi
 
 echo "Waiting for rollout..."
 sleep 2