/
s3.go
44 lines (35 loc) · 1.05 KB
/
s3.go
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package ivy
import (
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/aws/aws-sdk-go/service/s3/s3manager"
"github.com/plimble/errors"
)
type S3 struct {
s3 *s3manager.Downloader
bucket string
}
func NewS3(awsId, awsSecret, s3Bucket, s3Region string) Source {
cred := credentials.NewStaticCredentials(awsId, awsSecret, "")
session := session.New(&aws.Config{Region: aws.String(s3Region), Credentials: cred})
s3manager.NewDownloader(session)
return &S3{s3manager.NewDownloader(session), s3Bucket}
}
func (s *S3) Get(path string) ([]byte, error) {
b := aws.NewWriteAtBuffer(nil)
_, err := s.s3.Download(b, &s3.GetObjectInput{
Bucket: aws.String(s.bucket),
Key: aws.String(path),
})
if err != nil {
cerr := err.(awserr.Error)
if cerr.Code() == "NoSuchKey" {
return nil, errors.NotFound("not found")
}
return nil, errors.InternalServerErrorErr(err)
}
return b.Bytes(), nil
}