55 lines
2 KiB
Text
55 lines
2 KiB
Text
set daemon 30
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with start delay 30
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set log syslog
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set mailserver localhost
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set mail-format { from: ${monit['from_address']} }
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% for alert_address in monit['alert_addresses']:
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set alert ${alert_address}
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% endfor
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set httpd unixsocket /var/run/monit.sock
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use address 127.0.0.1
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allow 127.0.0.1
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check system $HOST
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if cpu usage > 95% for 10 cycles then alert
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if memory usage > 80% then alert
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if swap usage > 25% then alert
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check filesystem rootfs with path /
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if space usage > 80% for 5 times within 15 cycles then alert
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if space usage > 90% then alert
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if inode usage > 90% then alert
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check process cron matching "/usr/sbin/cron"
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start program = "/usr/bin/systemctl start cron.service"
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stop program = "/usr/bin/systemctl stop cron.service"
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% for systemd_service in ('systemd-timesyncd', 'systemd-networkd', 'systemd-journald'):
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check process ${systemd_service} matching "/lib/systemd/${systemd_service}"
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start program = "/usr/bin/systemctl start ${systemd_service}.service"
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stop program = "/usr/bin/systemctl stop ${systemd_service}.service"
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% endfor
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check process sshd matching "/usr/sbin/sshd"
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start program = "/bin/systemctl start sshd.service"
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stop program = "/bin/systemctl stop sshd.service"
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if failed port 22 for 2 cycles then restart
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if 3 restarts within 5 cycles then alert
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check process postfix matching "/usr/lib/postfix/sbin/master"
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start program = "/bin/systemctl start postfix.service"
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stop program = "/bin/systemctl stop postfix.service"
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if failed port 25 protocol smtp for 5 cycles then restart
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% for service,options in monit.get('services', {}).items():
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check process ${service} matching "${options['bin']}"
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start program = "/bin/systemctl start ${options.get('systemd_unit', 'service')}.service"
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stop program = "/bin/systemctl stop ${options.get('systemd_unit', 'service')}.service"
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% for port,port_options in options.get('ports', {}).items():
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if failed port ${port} protocol ${port_options['protocol']} for ${port_options.get('cycles', '5')} cycles then restart
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% endfor
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% endfor
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