forked from mongodb/mongo-tools
/
aws.go
65 lines (54 loc) · 1.15 KB
/
aws.go
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package aws
import (
"fmt"
"os"
"path"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3/s3manager"
)
var awsClient *AWS
type AWS struct {
session *session.Session
}
func initializeClient() error {
if awsClient != nil {
panic("called initializeClient twice")
}
s, err := session.NewSession(&aws.Config{
Region: aws.String("us-east-1"),
})
if err != nil {
return fmt.Errorf("failed to create AWS session: %w", err)
}
awsClient = &AWS{
session: s,
}
return nil
}
func GetClient() (*AWS, error) {
if awsClient == nil {
err := initializeClient()
if err != nil {
return nil, err
}
}
return awsClient, nil
}
func (a *AWS) UploadFile(bucket, objPath, filename string) error {
key := path.Join(objPath, filename)
file, err := os.Open(filename)
if err != nil {
return fmt.Errorf("failed to open file: %w", err)
}
uploader := s3manager.NewUploader(a.session)
_, err = uploader.Upload(&s3manager.UploadInput{
Bucket: aws.String(bucket),
Key: aws.String(key),
Body: file,
})
if err != nil {
return fmt.Errorf("failed to upload: %w", err)
}
return nil
}