From bed9bfaaa99dde6ecfb04e6a9ce98176b5ca604f Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Wed, 10 Jun 2015 14:22:16 +0200
Subject: Dovecot: Collect IMAP statistics.

---
 roles/IMAP/files/etc/dovecot/conf.d/10-mail.conf   | 2 +-
 roles/IMAP/files/etc/dovecot/conf.d/10-master.conf | 7 +++++++
 roles/IMAP/files/etc/dovecot/conf.d/20-imap.conf   | 2 +-
 roles/IMAP/files/etc/dovecot/conf.d/90-plugin.conf | 6 ++++++
 4 files changed, 15 insertions(+), 2 deletions(-)

(limited to 'roles/IMAP')

diff --git a/roles/IMAP/files/etc/dovecot/conf.d/10-mail.conf b/roles/IMAP/files/etc/dovecot/conf.d/10-mail.conf
index cc29991..902f58b 100644
--- a/roles/IMAP/files/etc/dovecot/conf.d/10-mail.conf
+++ b/roles/IMAP/files/etc/dovecot/conf.d/10-mail.conf
@@ -207,7 +207,7 @@ first_valid_uid = 1
 
 # Space separated list of plugins to load for all services. Plugins specific to
 # IMAP, LDA, etc. are added to this list in their own .conf files.
-mail_plugins = virtual zlib
+mail_plugins = stats virtual zlib
 
 ##
 ## Mailbox handling optimizations
diff --git a/roles/IMAP/files/etc/dovecot/conf.d/10-master.conf b/roles/IMAP/files/etc/dovecot/conf.d/10-master.conf
index 189e96e..9fcc549 100644
--- a/roles/IMAP/files/etc/dovecot/conf.d/10-master.conf
+++ b/roles/IMAP/files/etc/dovecot/conf.d/10-master.conf
@@ -129,3 +129,10 @@ service dict {
     #group = 
   }
 }
+
+service stats {
+  fifo_listener stats-mail {
+    user = vmail
+    mode = 0600
+  }
+}
diff --git a/roles/IMAP/files/etc/dovecot/conf.d/20-imap.conf b/roles/IMAP/files/etc/dovecot/conf.d/20-imap.conf
index 1807e05..016f4ff 100644
--- a/roles/IMAP/files/etc/dovecot/conf.d/20-imap.conf
+++ b/roles/IMAP/files/etc/dovecot/conf.d/20-imap.conf
@@ -53,7 +53,7 @@
 
 protocol imap {
   # Space separated list of plugins to load (default is global mail_plugins).
-  #mail_plugins = $mail_plugins
+  mail_plugins = $mail_plugins imap_stats
 
   # Maximum number of IMAP connections allowed for a user from each IP address.
   # NOTE: The username is compared case-sensitively.
diff --git a/roles/IMAP/files/etc/dovecot/conf.d/90-plugin.conf b/roles/IMAP/files/etc/dovecot/conf.d/90-plugin.conf
index b205c20..b6fcd3b 100644
--- a/roles/IMAP/files/etc/dovecot/conf.d/90-plugin.conf
+++ b/roles/IMAP/files/etc/dovecot/conf.d/90-plugin.conf
@@ -22,4 +22,10 @@ plugin {
 
   zlib_save = gz
   zlib_save_level = 6
+
+
+  # how often to session statistics
+  stats_refresh = 30 secs
+  # track per-IMAP command statistics
+  stats_track_cmds = yes
 }
-- 
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