aws-sdk-goで指定したProfileのCredentialを利用しアクセスを行う

[test]
aws_access_key_id = XXXXXXXXXXXXXXXXXXXX
aws_secret_access_key = YYYYYYYYYYYYYYYYYYYYYYYYY

cred, _ := credentials.NewSharedCredentials("", profile_name)
svc := ec2.New(&aws.Config{Credentials: cred, Region: "ap-northeast-1"})

package main

import (
    "fmt"
    "github.com/awslabs/aws-sdk-go/aws"
    "github.com/awslabs/aws-sdk-go/aws/credentials"
    "github.com/awslabs/aws-sdk-go/service/ec2"
)

func main() {
    profile := "test" // your profile name
    name := "*test*"     // search string (NameTag)

    svc := ec2.New(&aws.Config{
        Credentials: credentials.NewSharedCredentials("", profile),
        Region:      "ap-northeast-1",
    })

    params := &ec2.DescribeInstancesInput{
        Filters: []*ec2.Filter{
            &ec2.Filter{
                Name: aws.String("tag:Name"),
                Values: []*string{
                    aws.String(name),
                },
            },
        },
    }

    res, _ := svc.DescribeInstances(params)

    for _, i := range res.Reservations[0].Instances {
        var nt string
        for _, t := range i.Tags {
            if *t.Key == "Name" {
                nt = *t.Value
                break
            }
        }
        fmt.Println(nt, *i.InstanceID, *i.State.Name)
    }
}