kubernetes/kops · error

failed to find instance group of resource %q: %v

Error message

failed to find instance group of resource %q: %v

What it means

Fires in buildCloudInstanceGroupFromResource when findInstanceGroupFromResource cannot match the spotinst cloud resource (instance group or launch spec) to any kops InstanceGroup by name — the cluster manifest lacks an instance group corresponding to the discovered cloud resource.

Source

Thrown at pkg/resources/spotinst/resources.go:250

				klog.V(2).Infof("Found group with no corresponding instance group: %q", resource.Name)
			}
			continue
		}

		cloudInstanceGroups[resource.Name] = ig
	}

	return cloudInstanceGroups, nil
}

func buildCloudInstanceGroupFromResource(cloud Cloud, cluster *kops.Cluster,
	instanceGroups []*kops.InstanceGroup, resource *resources.Resource,
	nodeMap map[string]*v1.Node) (*cloudinstances.CloudInstanceGroup, error,
) {
	// Find corresponding instance group.
	ig, err := findInstanceGroupFromResource(cluster, instanceGroups, resource)
	if err != nil {
		return nil, fmt.Errorf("failed to find instance group of resource %q: %v", resource.Name, err)
	}
	if ig == nil {
		return nil, nil
	}

	switch ResourceType(resource.Type) {
	case ResourceTypeInstanceGroup:
		{
			if group, ok := resource.Obj.(InstanceGroup); ok {
				return buildCloudInstanceGroupFromInstanceGroup(cloud, ig, group, nodeMap)
			}
		}

	case ResourceTypeLaunchSpec:
		{
			if spec, ok := resource.Obj.(LaunchSpec); ok {
				return buildCloudInstanceGroupFromLaunchSpec(cloud, ig, spec, nodeMap)
			}

View on GitHub (pinned to 4c8573c808)

Solutions

1. Align the spotinst group/launch spec name with a kops InstanceGroup name in the cluster spec
2. Remove the orphaned spotinst resource from the ElastiGroup config
3. Re-run after updating the cluster manifest so names match

When it happens

Trigger: Thrown at pkg/resources/spotinst/resources.go:250 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/e71c8346f4f29a11. Report an issue: GitHub.