kubernetes/kops · error

error waiting for backend service: %v

Error message

error waiting for backend service: %v

What it means

Wrapped error from cloud.WaitForOp after a successful RegionBackendServices.Insert submit. The create operation failed asynchronously (or polling errored); the backend service may be partially created or in a failed state.

Source

Thrown at upup/pkg/fi/cloudup/gcetasks/backend_service.go:135

	}
	bs := &compute.BackendService{
		Name:                *e.Name,
		Protocol:            *e.Protocol,
		HealthChecks:        hcs,
		LoadBalancingScheme: *e.LoadBalancingScheme,
		Backends:            backends,
	}

	if a == nil {
		klog.V(2).Infof("Creating BackendService: %q", bs.Name)

		op, err := cloud.Compute().RegionBackendServices().Insert(cloud.Project(), cloud.Region(), bs)
		if err != nil {
			return fmt.Errorf("error creating backend service: %v", err)
		}

		if err := cloud.WaitForOp(op); err != nil {
			return fmt.Errorf("error waiting for backend service: %v", err)
		}
	} else {
		return fmt.Errorf("cannot apply changes to backend service: %v", changes)
	}

	return nil
}

func (a *BackendService) URL(cloud gce.GCECloud) string {
	return fmt.Sprintf("https://www.googleapis.com/compute/v1/projects/%s/regions/%s/backendServices/%s",
		cloud.Project(),
		cloud.Region(),
		*a.Name)
}

type terraformBackend struct {
	BalancingMode *terraformWriter.Literal `cty:"balancing_mode"`
	Group         *terraformWriter.Literal `cty:"group"`

View on GitHub (pinned to 4c8573c808)

Solutions

1. Inspect the operation error detail for the actual GCE failure reason
2. Verify the backend service state with gcloud compute backend-services describe before retrying
3. Fix the underlying cause (e.g. invalid backend group URLs) and re-run the apply

When it happens

Trigger: Thrown at upup/pkg/fi/cloudup/gcetasks/backend_service.go:135 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/956c12dca92d357c. Report an issue: GitHub.