3 files changed, 21 insertions, 2 deletions
diff --git a/lib/mastodon/domains_cli.rb b/lib/mastodon/domains_cli.rb
index 5433ddd9d..3c2dfd4ec 100644
--- a/lib/mastodon/domains_cli.rb
+++ b/lib/mastodon/domains_cli.rb
@@ -53,6 +53,8 @@ module Mastodon
       custom_emojis_count = custom_emojis.count
       custom_emojis.destroy_all unless options[:dry_run]
 
+      Instance.refresh unless options[:dry_run]
+
       say("Removed #{custom_emojis_count} custom emojis", :green)
     end
 
@@ -83,7 +85,7 @@ module Mastodon
       processed       = Concurrent::AtomicFixnum.new(0)
       failed          = Concurrent::AtomicFixnum.new(0)
       start_at        = Time.now.to_f
-      seed            = start ? [start] : Account.remote.domains
+      seed            = start ? [start] : Instance.pluck(:domain)
       blocked_domains = Regexp.new('\\.?' + DomainBlock.where(severity: 1).pluck(:domain).join('|') + '$')
       progress        = create_progress_bar
 
diff --git a/lib/mastodon/maintenance_cli.rb b/lib/mastodon/maintenance_cli.rb
index 99d13f43d..ffad3f6a2 100644
--- a/lib/mastodon/maintenance_cli.rb
+++ b/lib/mastodon/maintenance_cli.rb
@@ -14,7 +14,7 @@ module Mastodon
     end
 
     MIN_SUPPORTED_VERSION = 2019_10_01_213028
-    MAX_SUPPORTED_VERSION = 2020_10_17_234926
+    MAX_SUPPORTED_VERSION = 2020_12_06_004238
 
     # Stubs to enjoy ActiveRecord queries while not depending on a particular
     # version of the code/database
diff --git a/lib/paperclip/attachment_extensions.rb b/lib/paperclip/attachment_extensions.rb
index 752e79e65..94f7769b6 100644
--- a/lib/paperclip/attachment_extensions.rb
+++ b/lib/paperclip/attachment_extensions.rb
@@ -39,6 +39,23 @@ module Paperclip
     def default_url(style_name = default_style)
       @url_generator.for_as_default(style_name)
     end
+
+    STOPLIGHT_THRESHOLD = 10
+    STOPLIGHT_COOLDOWN  = 30
+
+    # We overwrite this method to put a circuit breaker around
+    # calls to object storage, to stop hitting APIs that are slow
+    # to respond or don't respond at all and as such minimize the
+    # impact of object storage outages on application throughput
+    def save
+      Stoplight('object-storage') { super }.with_threshold(STOPLIGHT_THRESHOLD).with_cool_off_time(STOPLIGHT_COOLDOWN).with_error_handler do |error, handle|
+        if error.is_a?(Seahorse::Client::NetworkingError)
+          handle.call(error)
+        else
+          raise error
+        end
+      end.run
+    end
   end
 end