kubernetes/kops · error

listing EventBridge rules: %w

Error message

listing EventBridge rules: %w

What it means

ListRules against EventBridge failed while looking for the node-termination-handler rebalance-draining rule to delete; an AWS API error (permissions, throttling, wrong region).

Source

Thrown at pkg/model/awsmodel/nodeterminationhandler.go:205

	return nil
}

func (b *NodeTerminationHandlerBuilder) FindDeletions(c *fi.CloudupModelBuilderContext, cloud fi.Cloud) error {
	if b.Cluster.Spec.CloudProvider.AWS.NodeTerminationHandler != nil && fi.ValueOf(b.Cluster.Spec.CloudProvider.AWS.NodeTerminationHandler.EnableRebalanceDraining) {
		return nil
	}

	clusterName := b.ClusterName()
	clusterNamePrefix := awsup.GetClusterName40(clusterName)
	ruleName := aws.String(clusterNamePrefix + "-" + rebalanceEvent.name)

	eventBridge := cloud.(awsup.AWSCloud).EventBridge()
	request := &eventbridge.ListRulesInput{
		NamePrefix: ruleName,
	}
	response, err := eventBridge.ListRules(c.Context(), request)
	if err != nil {
		return fmt.Errorf("listing EventBridge rules: %w", err)
	}
	if response == nil || len(response.Rules) == 0 {
		return nil
	}
	if len(response.Rules) > 1 {
		return fmt.Errorf("found multiple EventBridge rules with the same name %s", *ruleName)
	}

	rule := response.Rules[0]

	tagResponse, err := eventBridge.ListTagsForResource(c.Context(), &eventbridge.ListTagsForResourceInput{ResourceARN: rule.Arn})
	if err != nil {
		return fmt.Errorf("listing tags for EventBridge rule: %w", err)
	}

	owned := false
	ownershipTag := "kubernetes.io/cluster/" + b.Cluster.ObjectMeta.Name
	for _, tag := range tagResponse.Tags {

View on GitHub (pinned to 4c8573c808)

Solutions

1. Check EventBridge ListRules permissions
2. Retry on throttling
3. Verify the correct region/partition is configured

When it happens

Trigger: Thrown at pkg/model/awsmodel/nodeterminationhandler.go:205 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of kubernetes/kops@4c8573c808 (2026-09-05). Data as JSON: /api/errors/8b578be8bb034d8b. Report an issue: GitHub.