pyrox.dev
1{ config, pkgs, ... }:
2# let
3# cfg = config.mailserver;
4# in
5{
6 mailserver.monitoring = {
7 enable = true;
8 alertAddress = "pyrox@pyrox.dev";
9 config = ''
10 set daemon 120 with start delay 60
11 set mailserver
12 localhost
13 set alert ${config.mailserver.monitoring.alertAddress}
14
15 set httpd port 2812 and use address localhost
16 allow localhost
17 allow admin:obwjoawijerfoijsiwfj29jf2f2jd
18
19 check filesystem root with path /
20 if space usage > 80% then alert
21 if inode usage > 80% then alert
22
23 check system $HOST
24 if cpu usage > 95% for 10 cycles then alert
25 if memory usage > 75% for 5 cycles then alert
26 if swap usage > 20% for 10 cycles then alert
27 if loadavg (1min) > 90 for 15 cycles then alert
28 if loadavg (5min) > 80 for 10 cycles then alert
29 if loadavg (15min) > 70 for 8 cycles then alert
30
31 check process postfix with pidfile /var/lib/postfix/queue/pid/master.pid
32 start program = "${pkgs.systemd}/bin/systemctl start postfix"
33 stop program = "${pkgs.systemd}/bin/systemctl stop postfix"
34 if failed port 25 protocol smtp for 5 cycles then restart
35
36 check process dovecot with pidfile /var/run/dovecot2/master.pid
37 start program = "${pkgs.systemd}/bin/systemctl start dovecot2"
38 stop program = "${pkgs.systemd}/bin/systemctl stop dovecot2"
39 if failed host ${config.mailserver.fqdn} port 993 type tcpssl sslauto protocol imap for 5 cycles then restart
40
41 check process rspamd with matching "rspamd: main process"
42 start program = "${pkgs.systemd}/bin/systemctl start rspamd"
43 stop program = "${pkgs.systemd}/bin/systemctl stop rspamd"
44 '';
45 };
46}