func (c *Client) instances(params *ec2.DescribeInstancesInput) (instances []*ec2.Instance, err error) { if params == nil { params = &ec2.DescribeInstancesInput{} } // Update MaxResults param if no filtering options were set. if params.Filters == nil && params.InstanceIds == nil && c.MaxResults != 0 { params.MaxResults = aws.Int64(c.MaxResults) } var page int return instances, c.EC2.DescribeInstancesPages(params, func(resp *ec2.DescribeInstancesOutput, _ bool) bool { respInstances := c.collectInstances(resp.Reservations) page++ c.Log.Debug("received %d instances (page=%d)", len(respInstances), page) instances = append(instances, respInstances...) return true }) }