Return host when get s3 container name

Author: 杨赫然

seafobj/backends/s3.py

@@ -10,6 +10,10 @@ def __init__(self, compressed, s3_conf, crypto=None, cache=None):
         AbstractObjStore.__init__(self, compressed, crypto, cache)
         self.s3_client = SeafS3Client(s3_conf)
         self.bucket_name = s3_conf.bucket_name
+        if s3_conf.host:
+            self.domain = s3_conf.host
+        else:
+            self.domain = "s3." + s3_conf.aws_region + ".amazonaws.com"
 
     def read_obj_raw(self, repo_id, version, obj_id):
         real_obj_id = '%s/%s' % (repo_id, obj_id)
@@ -44,4 +48,4 @@ def stat_raw(self, repo_id, obj_id):
         return self.s3_client.stat_obj(s3_path)
 
     def get_container_name(self):
-        return self.bucket_name
+        return self.domain + "/" + self.bucket_name