Linux – monit syntax error : “if 5 restarts within 5 cycles then alert”

linuxmonit

I am trying to get an alert from monit if it fails to restart a service 5 times, but I get a syntax error

/etc/monit/monit.d/engine.conf:5: Error: syntax error 'alert'

any idea what's wrong with it?

/etc/monit/monitrc:

set daemon  120
set mailserver localhost

set eventqueue
    basedir /var/monit  # set the base directory where events will be stored
    slots 100           # optionaly limit the queue size


set httpd port 2812
  allow localhost

set logfile syslog

set alert root@localhost

include /etc/monit/monit.d/*

/etc/monit/monit.d/engine.conf (The only file in monit.d) :

check process engine with pidfile /var/run/engine.pid
   group engine
   start program = "/etc/init.d/engine start"
   stop  program = "/etc/init.d/engine stop"
   if 5 restarts within 5 cycles then alert

version:

# monit -V
This is monit version 4.10.1

Best Answer

It looks like support for this was added in monit 5.1
From the changelog at http://mmonit.com/monit/dist/CHANGES.txt :

Version 5.1

NEW FEATURES AND FUNCTIONS:

It is now possible to define any action for the restart timeout rule.
  Multiple restart timeout rules can also be defined. Example:
  if 3 restarts within 5 cycles then exec "/foo/bar"
  if 8 restarts within 10 cycles then unmonitor

I was trying to use the exact same syntax as you (for the exact same reason), and found it was working on one server but another. When I compared versions, I found one was 5.2.5 and the other was 4.10.1

So the answer it seems is to upgrade to at least 5.1

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