Replace mastodon:media:clear and mastodon:feeds:clear rake tasks with (#3180)

sidekiq-scheduler jobs

Resolves #2495

app/workers/scheduler/feed_cleanup_scheduler.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+require 'sidekiq-scheduler'
+
+class Scheduler::FeedCleanupScheduler
+  include Sidekiq::Worker
+
+  def perform
+    logger.info 'Cleaning out home feeds of inactive users'
+
+    redis.pipelined do
+      inactive_users.pluck(:account_id).each do |account_id|
+        redis.del(FeedManager.instance.key(:home, account_id))
+      end
+    end
+  end
+
+  private
+
+  def inactive_users
+    User.confirmed.where('current_sign_in_at < ?', 14.days.ago)
+  end
+
+  def redis
+    Redis.current
+  end
+end

app/workers/scheduler/media_cleanup_scheduler.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+require 'sidekiq-scheduler'
+
+class Scheduler::MediaCleanupScheduler
+  include Sidekiq::Worker
+
+  def perform
+    logger.info 'Cleaning out unattached media attachments'
+    unattached_media.find_each(&:destroy)
+  end
+
+  private
+
+  def unattached_media
+    MediaAttachment.reorder(nil).where(status_id: nil).where('created_at < ?', 1.day.ago)
+  end
+end

config/sidekiq.yml

@@ -9,3 +9,9 @@
   subscriptions_scheduler:
     cron: '0 5 * * *'
     class: Scheduler::SubscriptionsScheduler
+  media_cleanup_scheduler:
+    cron: '5 4 * * *'
+    class: Scheduler::MediaCleanupScheduler
+  feed_cleanup_scheduler:
+    cron: '0 0 * * *'
+    class: Scheduler::FeedCleanupScheduler

lib/tasks/mastodon.rake

@@ -45,7 +45,8 @@ namespace :mastodon do
   namespace :media do
     desc 'Removes media attachments that have not been assigned to any status for longer than a day'
     task clear: :environment do
-      MediaAttachment.where(status_id: nil).where('created_at < ?', 1.day.ago).find_each(&:destroy)
+      # No-op
+      # This task is now executed via sidekiq-scheduler
     end
 
     desc 'Remove media attachments attributed to silenced accounts'
@@ -89,9 +90,8 @@ namespace :mastodon do
   namespace :feeds do
     desc 'Clear timelines of inactive users'
     task clear: :environment do
-      User.confirmed.where('current_sign_in_at < ?', 14.days.ago).find_each do |user|
-        Redis.current.del(FeedManager.instance.key(:home, user.account_id))
-      end
+      # No-op
+      # This task is now executed via sidekiq-scheduler
     end
 
     desc 'Clears all timelines'