Working on learning Go, and I am writing a component to manage pictures.
I've been looking at the s3 library here: https://godoc.org/launchpad.net/goamz/s3#ACL
In Node, I use the Knox client and connect to my bucket like this:
var bucket = knox.createClient({
key: config.get('AWS_KEY'),
secret: config.get('AWS_SECRET'),
bucket: "bucketName"
});
In the Go s3 library I see all of the functions I need to work with the s3 bucket, but I can't find the connect function - similar to this one above.
So far, I've found this in the Docs:
type Auth struct {
AccessKey, SecretKey string
}
And it seems like I need to call this function:
func EnvAuth() (auth Auth, err error)
This is the EnvAuth function:
func EnvAuth() (auth Auth, err error) {
auth.AccessKey = os.Getenv("AWS_ACCESS_KEY_ID")
auth.SecretKey = os.Getenv("AWS_SECRET_ACCESS_KEY")
// We fallback to EC2_ env variables if the AWS_ variants are not used.
if auth.AccessKey == "" && auth.SecretKey == "" {
auth.AccessKey = os.Getenv("EC2_ACCESS_KEY")
auth.SecretKey = os.Getenv("EC2_SECRET_KEY")
}
if auth.AccessKey == "" {
err = errors.New("AWS_ACCESS_KEY_ID not found in environment")
}
if auth.SecretKey == "" {
err = errors.New("AWS_SECRET_ACCESS_KEY not found in environment")
}
return
}
In the S3 docs, I see all of the things that I need. I am just unsure about how I use the library, this is the first time I use a Go library.
A guide on connecting to AWS/S3, then making a delete call would be very helpful!
Many thanks :)
It's probably easier than you've thought. This sample code lists a bucket. You have to use your credentials and a bucket name, of course...
package main
import (
"fmt"
"launchpad.net/goamz/aws"
"launchpad.net/goamz/s3"
"log"
)
func main() {
auth := aws.Auth{
AccessKey: "ASDFASDFASDFASDK",
SecretKey: "DSFSDFDWESDADSFASDFADFDSFASDF",
}
euwest := aws.EUWest
connection := s3.New(auth, euwest)
mybucket := connection.Bucket("mytotallysecretbucket")
res, err := mybucket.List("", "", "", 1000)
if err != nil {
log.Fatal(err)
}
for _, v := range res.Contents {
fmt.Println(v.Key)
}
}
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