kubernetes/kops · error

error getting instance group for doGroup %q

Error message

error getting instance group for doGroup %q

What it means

Wraps matchInstanceGroup failure while mapping a discovered DO droplet group to a kops InstanceGroup by name. Fires when name matching itself errors (ambiguity/malformed name) rather than simply not matching — note the underlying error is dropped, only the group name is reported.

Source

Thrown at upup/pkg/fi/cloudup/do/cloud.go:418

		NodeNames:  []string{dropletName},
	}, nil
}

func getCloudGroups(c *doCloudImplementation, cluster *kops.Cluster, instancegroups []*kops.InstanceGroup, warnUnmatched bool, nodes []v1.Node) (map[string]*cloudinstances.CloudInstanceGroup, error) {
	nodeMap := cloudinstances.GetNodeMap(nodes, cluster)

	groups := make(map[string]*cloudinstances.CloudInstanceGroup)
	instanceGroups, err := findInstanceGroups(c, cluster.ObjectMeta.Name)
	if err != nil {
		return nil, fmt.Errorf("unable to find autoscale groups: %v", err)
	}

	for _, doGroup := range instanceGroups {
		name := doGroup.InstanceGroupName

		instancegroup, err := matchInstanceGroup(name, cluster.ObjectMeta.Name, instancegroups)
		if err != nil {
			return nil, fmt.Errorf("error getting instance group for doGroup %q", name)
		}
		if instancegroup == nil {
			if warnUnmatched {
				klog.Warningf("Found doGroup with no corresponding instance group %q", name)
			}
			continue
		}

		groups[instancegroup.ObjectMeta.Name], err = buildCloudInstanceGroup(c, instancegroup, doGroup, nodeMap)
		if err != nil {
			return nil, fmt.Errorf("error getting cloud instance group %q: %v", instancegroup.ObjectMeta.Name, err)
		}
	}

	klog.V(8).Infof("Cloud Instance Group Info = %v", groups)
	return groups, nil
}

View on GitHub (pinned to 4c8573c808)

Solutions

1. Check cluster instance group names match the <cluster>-<instancegroup> convention
2. Look for duplicate instance group names causing the match error
3. Rename conflicting instance groups and re-run

When it happens

Trigger: Thrown at upup/pkg/fi/cloudup/do/cloud.go:418 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/94ea6ba4c330e981. Report an issue: GitHub.