func getNodeIp()

in internal/kubelet/config.go [503:536]

• 34 lines of code
• 8 McCabe index (conditional complexity)

func getNodeIp(ctx context.Context, imdsClient *imds.Client, cfg *api.NodeConfig) (string, error) {
	ipFamily, err := api.GetCIDRIpFamily(cfg.Spec.Cluster.CIDR)
	if err != nil {
		return "", err
	}
	switch ipFamily {
	case api.IPFamilyIPv4:
		ipv4Response, err := imdsClient.GetMetadata(ctx, &imds.GetMetadataInput{
			Path: "local-ipv4",
		})
		if err != nil {
			return "", err
		}
		ip, err := io.ReadAll(ipv4Response.Content)
		if err != nil {
			return "", err
		}
		return string(ip), nil
	case api.IPFamilyIPv6:
		ipv6Response, err := imdsClient.GetMetadata(ctx, &imds.GetMetadataInput{
			Path: fmt.Sprintf("network/interfaces/macs/%s/ipv6s", cfg.Status.Instance.MAC),
		})
		if err != nil {
			return "", err
		}
		ip, err := io.ReadAll(ipv6Response.Content)
		if err != nil {
			return "", err
		}
		return string(ip), nil
	default:
		return "", fmt.Errorf("invalid ip-family. %s is not one of %v", ipFamily, []api.IPFamily{api.IPFamilyIPv4, api.IPFamilyIPv6})
	}
}