kubernetes/kops · error

creating/updating load balancer: %w

Error message

creating/updating load balancer: %w

What it means

BeginCreateOrUpdate for the Azure load balancer failed to start the LRO; fires on ARM validation errors (bad frontend/subnet references), quota, or authorization failures for the named load balancer.

Source

Thrown at upup/pkg/fi/cloudup/azure/loadbalancer.go:47

// LoadBalancersClient is a client for managing load balancers.
type LoadBalancersClient interface {
	CreateOrUpdate(ctx context.Context, resourceGroupName, loadBalancerName string, parameters network.LoadBalancer) (*network.LoadBalancer, error)
	List(ctx context.Context, resourceGroupName string) ([]*network.LoadBalancer, error)
	Get(ctx context.Context, resourceGroupName string, loadBalancerName string) (*network.LoadBalancer, error)
	Delete(ctx context.Context, resourceGroupName, loadBalancerName string) error
}

type loadBalancersClientImpl struct {
	c *network.LoadBalancersClient
}

var _ LoadBalancersClient = (*loadBalancersClientImpl)(nil)

func (c *loadBalancersClientImpl) CreateOrUpdate(ctx context.Context, resourceGroupName, loadBalancerName string, parameters network.LoadBalancer) (*network.LoadBalancer, error) {
	future, err := c.c.BeginCreateOrUpdate(ctx, resourceGroupName, loadBalancerName, parameters, nil)
	if err != nil {
		return nil, fmt.Errorf("creating/updating load balancer: %w", err)
	}
	resp, err := future.PollUntilDone(ctx, nil)
	if err != nil {
		return nil, fmt.Errorf("waiting for load balancer create/update: %w", err)
	}
	return &resp.LoadBalancer, nil
}

func (c *loadBalancersClientImpl) List(ctx context.Context, resourceGroupName string) ([]*network.LoadBalancer, error) {
	if resourceGroupName == "" {
		return nil, nil
	}

	var l []*network.LoadBalancer
	pager := c.c.NewListPager(resourceGroupName, nil)
	for pager.More() {
		resp, err := pager.NextPage(ctx)
		if err != nil {

View on GitHub (pinned to 4c8573c808)

Solutions

1. Inspect the wrapped ResponseError code and fix the referenced subnets/IPs/parameters
2. Verify Network Contributor permissions and quota
3. Retry after transient ARM failures

When it happens

Trigger: Thrown at upup/pkg/fi/cloudup/azure/loadbalancer.go:47 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/f4479db76252c0a8. Report an issue: GitHub.