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Refactor how Redis locks are created (#18400)

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* Refactor how Redis locks are created

* Fix autorelease duration on account deletion lock
This commit is contained in:
Eugen Rochko
2022-05-13 00:02:35 +02:00
committed by GitHub
parent 12535568f7
commit 6cf57c6765
16 changed files with 112 additions and 179 deletions
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6
app/lib/activitypub/activity/delete.rb
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@ -12,7 +12,7 @@ class ActivityPub::Activity::Delete < ActivityPub::Activity
private
def delete_person
lock_or_return("delete_in_progress:#{@account.id}") do
with_lock("delete_in_progress:#{@account.id}", autorelease: 2.hours, raise_on_failure: false) do
DeleteAccountService.new.call(@account, reserve_username: false, skip_activitypub: true)
end
end
@ -20,14 +20,14 @@ class ActivityPub::Activity::Delete < ActivityPub::Activity
def delete_note
return if object_uri.nil?
lock_or_return("delete_status_in_progress:#{object_uri}", 5.minutes.seconds) do
with_lock("delete_status_in_progress:#{object_uri}", raise_on_failure: false) do
unless invalid_origin?(object_uri)
# This lock ensures a concurrent `ActivityPub::Activity::Create` either
# does not create a status at all, or has finished saving it to the
# database before we try to load it.
# Without the lock, `delete_later!` could be called after `delete_arrived_first?`
# and `Status.find` before `Status.create!`
lock_or_fail("create:#{object_uri}") { delete_later!(object_uri) }
with_lock("create:#{object_uri}") { delete_later!(object_uri) }
Tombstone.find_or_create_by(uri: object_uri, account: @account)
end