feat: Add S3 Delete func (#71)

Signed-off-by: Alex Collins <alex_collins@intuit.com>

s3/s3.go

@@ -37,6 +37,8 @@ type S3Client interface {
 	// OpenFile opens a file for much lower disk and memory usage that GetFile
 	OpenFile(bucket, key string) (io.ReadCloser, error)
 
+	Delete(bucket, key string) error
+
 	// GetDirectory downloads a directory to a local file path
 	GetDirectory(bucket, key, path string) error
 
@@ -272,6 +274,11 @@ func (s *s3client) OpenFile(bucket, key string) (io.ReadCloser, error) {
 	return f, nil
 }
 
+func (s *s3client) Delete(bucket, key string) error {
+	log.WithFields(log.Fields{"endpoint": s.Endpoint, "bucket": bucket, "key": key}).Info("Deleting object from s3")
+	return s.minioClient.RemoveObject(s.ctx, bucket, key, minio.RemoveObjectOptions{})
+}
+
 // GetDirectory downloads a s3 directory to a local path
 func (s *s3client) GetDirectory(bucket, keyPrefix, path string) error {
 	log.WithFields(log.Fields{"endpoint": s.Endpoint, "bucket": bucket, "key": keyPrefix, "path": path}).Info("Getting directory from s3")