sjansen/mecha

package main

import (
    "context"
    "fmt"
    "os"

    "github.com/aws/aws-sdk-go-v2/aws"
    "github.com/aws/aws-sdk-go-v2/config"
    "github.com/aws/aws-sdk-go-v2/service/iam"

    "github.com/kenshaw/ini"
)

func die(err error) {
    fmt.Fprintln(os.Stderr, err)
    os.Exit(1)
}

func filename() string {
    if filename := os.Getenv("AWS_SHARED_CREDENTIALS_FILE"); len(filename) != 0 {
        return filename
    }
    return config.DefaultSharedCredentialsFilename()
}

func main() {
    filename := filename()

    cfg, err := ini.LoadFile(filename)
    if err != nil {
        die(err)
    }

    ctx := context.Background()

    for _, profile := range cfg.SectionNames() {
        section := cfg.GetSection(profile)
        if kid := section.Get("aws_access_key_id"); kid == "" {
            continue
        }

        cfg, err := config.LoadDefaultConfig(
            ctx, config.WithSharedConfigProfile(profile),
        )
        if err != nil {
            die(err)
        }

        if cfg.Region == "" {
            cfg.Region = "us-east-1"
        }

        svc := iam.NewFromConfig(cfg)
        result, err := svc.ListAccessKeys(ctx, &iam.ListAccessKeysInput{})
        if err != nil {
            die(err)
        }

        fmt.Println(profile)
        for _, metadata := range result.AccessKeyMetadata {
            fmt.Printf("\taccess_key_id:\t%s\n\tusername:\t%s\n\tstatus:\t\t%s\n\tcreated:\t%s\n\n",
                aws.ToString(metadata.AccessKeyId),
                aws.ToString(metadata.UserName),
                metadata.Status,
                metadata.CreateDate,
            )
        }
    }
}