Initial cloud-services repo - gateway service + pkg modules

pkg/s3/s3.go

@@ -0,0 +1,63 @@
+package s3
+
+import (
+	"fmt"
+	"io"
+
+	"fiskerinc.com/modules/utils/envtool"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/session"
+	"github.com/aws/aws-sdk-go/service/s3/s3manager"
+
+	"github.com/pkg/errors"
+)
+
+var instanceS3 Interface
+var bucket string = envtool.GetEnv("OTA_UPDATE_BUCKET", "fisker-upload-dev")
+var downloadurl = envtool.GetEnv("OTA_UPDATE_DOWNLOAD_URL", "https://upload-dev.fiskerdps.com")
+
+// S3 AWS S3 bucket
+type S3 struct {
+}
+
+// Interface interface for S3
+type Interface interface {
+	PutBucket(key string, reader io.Reader, contentType string) (string, error)
+}
+
+// PutBucket put file into S3 bucket
+func (s *S3) PutBucket(key string, reader io.Reader, contentType string) (string, error) {
+	if len(key) > 255 {
+		return "", errors.New("S3 key too long")
+	}
+
+	sess := session.Must(session.NewSession())
+	uploader := s3manager.NewUploader(sess)
+	_, err := uploader.Upload(&s3manager.UploadInput{
+		Bucket:      aws.String(bucket),
+		Key:         aws.String(key),
+		Body:        reader,
+		ACL:         aws.String("public-read"),
+		ContentType: aws.String(contentType),
+	})
+	if err != nil {
+		return "", errors.WithStack(err)
+	}
+
+	return fmt.Sprintf("%s/%s", downloadurl, key), nil
+}
+
+// GetS3 returns S3 struct
+func GetS3() Interface {
+	if instanceS3 != nil {
+		return instanceS3
+	}
+
+	return &S3{}
+}
+
+// SetS3Instance set S3 instance to return for mocking
+func SetS3Instance(value Interface) {
+	instanceS3 = value
+}