From d7fbcd60a341bd86d3ff4c828ef92cc45da3f526 Mon Sep 17 00:00:00 2001
From: Maximilian Bosch <maximilian@mbosch.me>
Date: Thu, 3 Jun 2021 13:01:11 +0200
Subject: [PATCH] nixos/dovecot-exporter: fix documentation for old stats

(cherry picked from commit 6fb847c55643780c1ba3a98c57ba57541ed33d14)
---
 .../monitoring/prometheus/exporters/dovecot.nix | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix b/nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix
index aba3533e439..472652fe8a7 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix
@@ -35,13 +35,28 @@ in
         {
           <xref linkend="opt-services.prometheus.exporters.dovecot.enable" /> = true;
           <xref linkend="opt-services.prometheus.exporters.dovecot.socketPath" /> = "/var/run/dovecot2/old-stats";
+          <xref linkend="opt-services.dovecot2.mailPlugins.globally.enable" /> = [ "old_stats" ];
           <xref linkend="opt-services.dovecot2.extraConfig" /> = '''
-            mail_plugins = $mail_plugins old_stats
             service old-stats {
               unix_listener old-stats {
                 user = dovecot-exporter
                 group = dovecot-exporter
+                mode = 0660
               }
+              fifo_listener old-stats-mail {
+                mode = 0660
+                user = dovecot
+                group = dovecot
+              }
+              fifo_listener old-stats-user {
+                mode = 0660
+                user = dovecot
+                group = dovecot
+              }
+            }
+            plugin {
+              old_stats_refresh = 30 secs
+              old_stats_track_cmds = yes
             }
           ''';
         }