Hi, using Monit 5.15 on FreeBSD 10.2:
<config> set daemon 5 set logfile syslog set pidfile /var/run/monit.pid set idfile /var/.monit.id set statefile /var/.monit.state set alert [email protected]<mailto:[email protected]> set mailserver localhost set httpd port 2812 and use address 192.168.40.72 allow 192.168.20.0/24 allow admin:monit check process haproxy with pidfile /var/run/haproxy.pid if failed host 192.168.40.72 port 9090 type tcp then exec "/bin/sh -c '/bin/echo `/bin/date` >> /tmp/monit.test'" </config> When i run monit with -vI and i kill haproxy, i have the following output: <log> Adding net allow '192.168.20.0/24' Adding credentials for user 'admin' Runtime constants: Control file = /usr/local/etc/monitrc Log file = syslog Pid file = /var/run/monit.pid Id file = /var/.monit.id State file = /var/.monit.state Debug = True Log = True Use syslog = True Is Daemon = True Use process engine = True Poll time = 5 seconds with start delay 0 seconds Expect buffer = 256 bytes Mail server(s) = localhost:25 with timeout 30 seconds Mail from = (not defined) Mail subject = (not defined) Mail message = (not defined) Start monit httpd = True httpd bind address = 192.168.40.72 httpd portnumber = 2812 httpd ssl = Disabled httpd signature = Enabled httpd auth. style = Basic Authentication and Host/Net allow list Alert mail to = root@localhost Alert on = All events The service list contains the following entries: Process Name = haproxy Pid file = /var/run/haproxy.pid Monitoring mode = active Existence = if does not exist then restart Port = if failed [192.168.40.72]:9090 type TCP/IP protocol DEFAULT with timeout 5 seconds then exec '/bin/sh -c /bin/echo `/bin/date` >> /tmp/monit.test' System Name = appsrv01 Monitoring mode = active ------------------------------------------------------------------------------- pidfile '/var/run/monit.pid' does not exist Starting Monit 5.15 daemon with http interface at [192.168.40.72]:2812 Starting Monit HTTP server at [192.168.40.72]:2812 Monit HTTP server started 'appsrv01' Monit 5.15 started Sending Monit instance changed notification to root@localhost 'haproxy' process is running with pid 42999 'haproxy' zombie check succeeded 'haproxy' succeeded testing protocol [DEFAULT] at [192.168.40.72]:9090 [TCP/IP] 'haproxy' connection succeeded to [192.168.40.72]:9090 [TCP/IP] 'haproxy' process is running with pid 42999 'haproxy' zombie check succeeded 'haproxy' succeeded testing protocol [DEFAULT] at [192.168.40.72]:9090 [TCP/IP] 'haproxy' connection succeeded to [192.168.40.72]:9090 [TCP/IP] 'haproxy' process is running with pid 42999 'haproxy' zombie check succeeded 'haproxy' succeeded testing protocol [DEFAULT] at [192.168.40.72]:9090 [TCP/IP] 'haproxy' connection succeeded to [192.168.40.72]:9090 [TCP/IP] 'haproxy' process test failed [pid=42999] -- No such process 'haproxy' process is not running Sending Does not exist notification to root@localhost 'haproxy' trying to restart 'haproxy' stop skipped -- method not defined 'haproxy' start method not defined 'haproxy' monitoring enabled 'haproxy' process test failed [pid=42999] -- No such process 'haproxy' process is not running 'haproxy' trying to restart 'haproxy' stop skipped -- method not defined 'haproxy' start method not defined 'haproxy' monitoring enabled ^CShutting down Monit HTTP server Monit HTTP server stopped Monit daemon with pid [48685] stopped 'appsrv01' Monit 5.15 stopped Sending Monit instance changed notification to root@localhost </log> The EXEC Line never gets executed, i dont see any new lines in /tmp/monit.test If i change the checked Port from 9090 to some invalid port, lets say 9190 and start monit (haproxy is running !), i see: <log> Starting Monit 5.15 daemon with http interface at [192.168.40.72]:2812 Starting Monit HTTP server at [192.168.40.72]:2812 Monit HTTP server started 'appsrv01' Monit 5.15 started Sending Monit instance changed notification to root@localhost 'haproxy' process is running with pid 50703 'haproxy' zombie check succeeded Socket test failed for [192.168.40.72]:9190 -- Connection refused 'haproxy' failed protocol test [DEFAULT] at [192.168.40.72]:9190 [TCP/IP] -- Connection refused Sending Connection failed notification to root@localhost 'haproxy' exec: /bin/sh 'haproxy' process is running with pid 50703 'haproxy' zombie check succeeded Socket test failed for [192.168.40.72]:9190 -- Connection refused 'haproxy' failed protocol test [DEFAULT] at [192.168.40.72]:9190 [TCP/IP] -- Connection refused 'haproxy' exec: /bin/sh </log> Why does the EXEC Line works here but not when i kill -9 haproxy ? What i'm trying to do is get monit to run the exec in case of a haproxy failure. The exec line will then contain a command to switch the CARP IP to another host. haproxy itself is monitored using zabbix, so the NOC can investigate the cause of the failure later. Thanks®ards gerald
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