Allow modifying IP retention period

To allow IP addresses to not be stored for an entire year.
This attempts to fix https://github.com/mastodon/mastodon/issues/6474 for Catstodon.

.env.production.sample

@@ -286,6 +286,14 @@ MAX_POLL_OPTION_CHARS=100
 MAX_EMOJI_SIZE=51200
 MAX_REMOTE_EMOJI_SIZE=204800
 
+# IP retention period
+# If undefined, the value of 31556952 (1 average year) will be used.
+# Keep in mind that this is period will not be completely accurate
+# and may have a delay of up to 24 hours on vanilla and glitch-soc Mastodon
+# due to the scheduling of ip_cleanup_scheduler in sidekiq.yml.
+# Time unit in seconds
+IP_RETENTION_PERIOD=31556952
+
 # Optional hCaptcha support
 # HCAPTCHA_SECRET_KEY=
 # HCAPTCHA_SITE_KEY=

app/workers/scheduler/ip_cleanup_scheduler.rb

@@ -3,7 +3,7 @@
 class Scheduler::IpCleanupScheduler
   include Sidekiq::Worker
 
-  IP_RETENTION_PERIOD = 1.year.freeze
+  IP_RETENTION_PERIOD = ENV.fetch('IP_RETENTION_PERIOD', 1.year).to_i.freeze
 
   sidekiq_options retry: 0
 

config/sidekiq.yml

@@ -46,7 +46,7 @@
     class: Scheduler::UserCleanupScheduler
     queue: scheduler
   ip_cleanup_scheduler:
-    cron: '<%= Random.rand(0..59) %> <%= Random.rand(3..5) %> * * *'
+    every: '1h'
     class: Scheduler::IpCleanupScheduler
     queue: scheduler
   email_scheduler: