1 files changed, 41 insertions, 0 deletions
diff --git a/config/initializers/mailer_retries.rb b/config/initializers/mailer_retries.rb
new file mode 100644
index 00000000000..64fb0ffaa55
--- /dev/null
+++ b/config/initializers/mailer_retries.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+class ActiveJob::QueueAdapters::SidekiqAdapter
+  # With Sidekiq 6, we can do something like:
+  # class ActionMailer::MailDeliveryJob
+  #   sidekiq_options retry: 3
+  # end
+  #
+  # See https://gitlab.com/gitlab-org/gitlab/-/issues/329430
+  raise "Update this monkey patch: #{__FILE__}" unless Sidekiq::VERSION == '5.2.9'
+
+  def enqueue(job) #:nodoc:
+    # Sidekiq::Client does not support symbols as keys
+    job.provider_job_id = Sidekiq::Client.push \
+      "class"   => JobWrapper,
+      "wrapped" => job.class.to_s,
+      "queue"   => job.queue_name,
+      "args"    => [job.serialize],
+      "retry"   => retry_for(job)
+  end
+
+  def enqueue_at(job, timestamp) #:nodoc:
+    job.provider_job_id = Sidekiq::Client.push \
+      "class"   => JobWrapper,
+      "wrapped" => job.class.to_s,
+      "queue"   => job.queue_name,
+      "args"    => [job.serialize],
+      "at"      => timestamp,
+      "retry"   => retry_for(job)
+  end
+
+  private
+
+  def retry_for(job)
+    if job.queue_name == 'mailers'
+      3
+    else
+      true
+    end
+  end
+end