From 6b7462a13fff8f4e1dbad0bb4d81bbe0515af7c1 Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
Date: Thu, 23 Jan 2020 12:11:44 +0000
Subject: [PATCH] a bit of debugging for media storage providers (#6757)

* a bit of debugging for media storage providers

* changelog
---
 changelog.d/6757.misc                     | 1 +
 synapse/rest/media/v1/media_storage.py    | 1 +
 synapse/rest/media/v1/storage_provider.py | 6 ++++++
 3 files changed, 8 insertions(+)
 create mode 100644 changelog.d/6757.misc

diff --git a/changelog.d/6757.misc b/changelog.d/6757.misc
new file mode 100644
index 000000000..a50c5e974
--- /dev/null
+++ b/changelog.d/6757.misc
@@ -0,0 +1 @@
+Add some debugging for media storage providers.
diff --git a/synapse/rest/media/v1/media_storage.py b/synapse/rest/media/v1/media_storage.py
index 3b87717a5..683a79c96 100644
--- a/synapse/rest/media/v1/media_storage.py
+++ b/synapse/rest/media/v1/media_storage.py
@@ -148,6 +148,7 @@ class MediaStorage(object):
         for provider in self.storage_providers:
             res = yield provider.fetch(path, file_info)
             if res:
+                logger.debug("Streaming %s from %s", path, provider)
                 return res
 
         return None
diff --git a/synapse/rest/media/v1/storage_provider.py b/synapse/rest/media/v1/storage_provider.py
index 37687ea7f..858680be2 100644
--- a/synapse/rest/media/v1/storage_provider.py
+++ b/synapse/rest/media/v1/storage_provider.py
@@ -77,6 +77,9 @@ class StorageProviderWrapper(StorageProvider):
         self.store_synchronous = store_synchronous
         self.store_remote = store_remote
 
+    def __str__(self):
+        return "StorageProviderWrapper[%s]" % (self.backend,)
+
     def store_file(self, path, file_info):
         if not file_info.server_name and not self.store_local:
             return defer.succeed(None)
@@ -114,6 +117,9 @@ class FileStorageProviderBackend(StorageProvider):
         self.cache_directory = hs.config.media_store_path
         self.base_directory = config
 
+    def __str__(self):
+        return "FileStorageProviderBackend[%s]" % (self.base_directory,)
+
     def store_file(self, path, file_info):
         """See StorageProvider.store_file"""