code: func (c *Cloud) InstanceType(ctx context.Context, nodeName types.NodeName) (string, error) {
  	if c.selfAWSInstance.nodeName == nodeName {
  		return c.selfAWSInstance.instanceType, nil
  	}
  	inst, err := c.getInstanceByNodeName(nodeName)
  	if err != nil {
  		return "", fmt.Errorf("getInstanceByNodeName failed for %q with %q", nodeName, err)
  	}
  	return aws.StringValue(inst.InstanceType), nil
  }
docs: // InstanceType returns the type of the node with the specified nodeName.