From b5e603c6ad1b47df4975275ee40063f493db27d5 Mon Sep 17 00:00:00 2001
From: Claire <claire.github-309c@sitedethib.com>
Date: Wed, 21 Jul 2021 18:34:39 +0200
Subject: [PATCH] Add logging of S3-related errors (#16381)

---
 app/controllers/api/base_controller.rb    | 7 ++++++-
 app/controllers/application_controller.rb | 7 ++++++-
 app/lib/activitypub/activity/create.rb    | 8 ++++----
 app/services/backup_service.rb            | 4 ++--
 4 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/app/controllers/api/base_controller.rb b/app/controllers/api/base_controller.rb
index 85f4cc7681..b863d86438 100644
--- a/app/controllers/api/base_controller.rb
+++ b/app/controllers/api/base_controller.rb
@@ -40,7 +40,12 @@ class Api::BaseController < ApplicationController
     render json: { error: 'This action is not allowed' }, status: 403
   end
 
-  rescue_from Mastodon::RaceConditionError, Seahorse::Client::NetworkingError, Stoplight::Error::RedLight do
+  rescue_from Seahorse::Client::NetworkingError do |e|
+    Rails.logger.warn "Storage server error: #{e}"
+    render json: { error: 'There was a temporary problem serving your request, please try again' }, status: 503
+  end
+
+  rescue_from Mastodon::RaceConditionError, Stoplight::Error::RedLight do
     render json: { error: 'There was a temporary problem serving your request, please try again' }, status: 503
   end
 
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index b4fb83661b..3d2f8280b1 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -26,7 +26,12 @@ class ApplicationController < ActionController::Base
   rescue_from Mastodon::RateLimitExceededError, with: :too_many_requests
 
   rescue_from HTTP::Error, OpenSSL::SSL::SSLError, with: :internal_server_error
-  rescue_from Mastodon::RaceConditionError, Seahorse::Client::NetworkingError, Stoplight::Error::RedLight, ActiveRecord::SerializationFailure, with: :service_unavailable
+  rescue_from Mastodon::RaceConditionError, Stoplight::Error::RedLight, ActiveRecord::SerializationFailure, with: :service_unavailable
+
+  rescue_from Seahorse::Client::NetworkingError do |e|
+    Rails.logger.warn "Storage server error: #{e}"
+    service_unavailable
+  end
 
   before_action :store_current_location, except: :raise_not_found, unless: :devise_controller?
   before_action :require_functional!, if: :user_signed_in?
diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb
index 9a29605072..504f10a67e 100644
--- a/app/lib/activitypub/activity/create.rb
+++ b/app/lib/activitypub/activity/create.rb
@@ -223,8 +223,8 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
     emoji ||= CustomEmoji.new(domain: @account.domain, shortcode: shortcode, uri: uri)
     emoji.image_remote_url = image_url
     emoji.save
-  rescue Seahorse::Client::NetworkingError
-    nil
+  rescue Seahorse::Client::NetworkingError => e
+    Rails.logger.warn "Error storing emoji: #{e}"
   end
 
   def process_attachments
@@ -247,8 +247,8 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
         media_attachment.save
       rescue Mastodon::UnexpectedResponseError, HTTP::TimeoutError, HTTP::ConnectionError, OpenSSL::SSL::SSLError
         RedownloadMediaWorker.perform_in(rand(30..600).seconds, media_attachment.id)
-      rescue Seahorse::Client::NetworkingError
-        nil
+      rescue Seahorse::Client::NetworkingError => e
+        Rails.logger.warn "Error storing media attachment: #{e}"
       end
     end
 
diff --git a/app/services/backup_service.rb b/app/services/backup_service.rb
index 6a1575616e..037f519d3e 100644
--- a/app/services/backup_service.rb
+++ b/app/services/backup_service.rb
@@ -167,7 +167,7 @@ class BackupService < BaseService
         io.write(buffer)
       end
     end
-  rescue Errno::ENOENT, Seahorse::Client::NetworkingError
-    Rails.logger.warn "Could not backup file #{filename}: file not found"
+  rescue Errno::ENOENT, Seahorse::Client::NetworkingError => e
+    Rails.logger.warn "Could not backup file #{filename}: #{e}"
   end
 end