Allow set S3ForcePathStyle

amazon.go

@@ -68,6 +68,40 @@ func NewAmazonS3Backend(bucket string, prefix string, region string, endpoint st
 	return b
 }
 
+type AmazonS3Options struct {
+	S3ForcePathStyle *bool
+}
+
+func NewAmazonS3BackendWithOptions(bucket string, prefix string, region string, endpoint string, sse string, options *AmazonS3Options) *AmazonS3Backend {
+	client := http.DefaultClient
+	if os.Getenv("AWS_INSECURE_SKIP_VERIFY") == "true" {
+		tr := &http.Transport{
+			TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+		}
+		client = &http.Client{Transport: tr}
+	}
+	s3ForcePathStyle := endpoint != ""
+	if options != nil && options.S3ForcePathStyle != nil {
+		s3ForcePathStyle = *options.S3ForcePathStyle
+	}
+	service := s3.New(session.New(), &aws.Config{
+		HTTPClient:       client,
+		Region:           aws.String(region),
+		Endpoint:         aws.String(endpoint),
+		DisableSSL:       aws.Bool(strings.HasPrefix(endpoint, "http://")),
+		S3ForcePathStyle: aws.Bool(s3ForcePathStyle),
+	})
+	b := &AmazonS3Backend{
+		Bucket:     bucket,
+		Client:     service,
+		Downloader: s3manager.NewDownloaderWithClient(service),
+		Prefix:     cleanPrefix(prefix),
+		Uploader:   s3manager.NewUploaderWithClient(service),
+		SSE:        sse,
+	}
+	return b
+}
+
 // NewAmazonS3BackendWithCredentials creates a new instance of AmazonS3Backend with credentials
 func NewAmazonS3BackendWithCredentials(bucket string, prefix string, region string, endpoint string, sse string, credentials *credentials.Credentials) *AmazonS3Backend {
 	client := http.DefaultClient