【Go】【AWS】GoでEC2describeinstanceをする

package main

import (
    "fmt"

    "github.com/aws/aws-sdk-go/aws"
    "github.com/aws/aws-sdk-go/aws/awserr"
    "github.com/aws/aws-sdk-go/aws/session"
    "github.com/aws/aws-sdk-go/service/ec2"
)

func main() {
    svc := ec2.New(
        session.New(),
        &aws.Config{
            Region: aws.String("ap-northeast-1"),
        })
    input := &ec2.DescribeInstancesInput{
        InstanceIds: []*string{
            aws.String("i-xxxxxxxxxxxxxxxx"),
        },
    }

    result, err := svc.DescribeInstances(input)
    if err != nil {
        if aerr, ok := err.(awserr.Error); ok {
            switch aerr.Code() {
            default:
                fmt.Println(aerr.Error())
            }
        } else {
            // Print the error, cast err to awserr.Error to get the Code and
            // Message from an error.
            fmt.Println(err.Error())
        }
        return
    }
    fmt.Println(result)
}