func discoverByMachineID()

in kubernetes/util.go [197:217]

• 20 lines of code
• 5 McCabe index (conditional complexity)

func discoverByMachineID(nd *DiscoverKubernetesNodeParams, ctx context.Context) (nodeName string, errorMsg error) {
	mid := nd.HostUtils.GetMachineID()
	if mid == "" {
		errorMsg = errors.New("kubernetes: Couldn't collect info from any of the files in /etc/machine-id /var/lib/dbus/machine-id")
		return
	}

	nodes, err := nd.Client.CoreV1().Nodes().List(ctx, metav1.ListOptions{})
	if err != nil {
		errorMsg = fmt.Errorf("kubernetes: Querying for nodes failed with error: %w", err)
		return
	}
	for _, n := range nodes.Items {
		if n.Status.NodeInfo.MachineID == mid {
			nodeName = n.GetObjectMeta().GetName()
			return nodeName, nil
		}
	}
	errorMsg = fmt.Errorf("kubernetes: Couldn't discover node %s", mid)
	return nodeName, errorMsg
}