1 files changed, 42 insertions, 0 deletions
diff --git a/lib/system_check/incoming_email/mail_room_enabled_check.rb b/lib/system_check/incoming_email/mail_room_enabled_check.rb
new file mode 100644
index 00000000000..8e725aabd03
--- /dev/null
+++ b/lib/system_check/incoming_email/mail_room_enabled_check.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+module SystemCheck
+  module IncomingEmail
+    class MailRoomEnabledCheck < SystemCheck::BaseCheck
+      include ::SystemCheck::InitHelpers
+      set_name 'Mailroom enabled?'
+
+      def skip?
+        omnibus_gitlab?
+      end
+
+      def check?
+        mail_room_enabled? || mail_room_configured?
+      end
+
+      def show_error
+        try_fixing_it(
+          'Enable mail_room'
+        )
+        for_more_information(
+          'doc/administration/reply_by_email.md'
+        )
+        fix_and_rerun
+      end
+
+      private
+
+      def mail_room_enabled?
+        target = '/usr/local/lib/systemd/system/gitlab.target'
+        service = '/usr/local/lib/systemd/system/gitlab-mailroom.service'
+
+        File.exist?(target) && File.exist?(service) && systemd_get_wants('gitlab.target').include?("gitlab-mailroom.service")
+      end
+
+      def mail_room_configured?
+        path = '/etc/default/gitlab'
+        File.exist?(path) && File.read(path).include?('mail_room_enabled=true')
+      end
+    end
+  end
+end