Re: [monit] Alerts not being triggered

[Martin Pala]

Thanks for info.

Monit logs error when the mailserver fails or returns error class >=  
400 ... what exactly was the problem in your case? (we can improve the  
error reporting) Since no error was logged by monit it seems that the  
message was accepted by mailserver and the MTA dropped the massage  
later?

Thanks,
Martin


On Jan 20, 2009, at 7:30 PM, Bruce Reed wrote:

> The strace uncovered my problem and it was with a mail alias, so  
> thanks for
> the tip!
>
> It would be nice to have more verbose logging by monit to log email  
> events.
> Had I seen those in the log I would have known it at least sent the  
> message
> and the problem was with the address I had used. On the other hand,  
> I should
> have combed my mailserver logs to see if a message had been received  
> for the
> address I specified.
>
> Bruce
>
>
> On 1/16/09 12:14 PM, "Martin Pala" <address@hidden> wrote:
>
> > Looks strange - i don't remember problem like this and even changelog
> > doesn't mention such issue.
> >
> > It could be good to trace monit to see what happened:
> >
> > strace -f -o monit.trace monit -vI
> >
> >
> > The monit.trace file will contain system call traces so we can see
> > whether it tried to connect to SMTP server and what happened.
> >
> >
> >
> >
> > On Jan 16, 2009, at 9:05 PM, Bruce Reed wrote:
> >
> > > 4.9 rpm from rpmforge
> > >
> > >
> > > On 1/16/09 11:55 AM, "Martin Pala" <address@hidden> wrote:
> > >
> > > > The configuration looks OK.
> > > >
> > > > What monit version it is?
> > > >
> > > > Thanks,
> > > > Martin
> > > >
> > > >
> > > > On Jan 16, 2009, at 8:22 PM, Bruce Reed wrote:
> > > >
> > > > > Here is the verbose output. Looks like verbose output begins and
> > > > > ends at
> > > > > process start up (host/domain names changed):
> > > > >
> > > > > Starting Process Monitor (monit): monit: Debug: Adding host allow
> > > > > 'localhost'
> > > > > monit: Debug: Skipping redundant host 'localhost'
> > > > > monit: Debug: Skipping redundant host 'localhost'
> > > > > monit: Debug: Adding credentials for user 'admin'.
> > > > > Runtime constants:
> > > > > Control file       = /etc/monit.conf
> > > > > Log file           = syslog
> > > > > Pid file           = /var/run/monit.pid
> > > > > Debug              = True
> > > > > Log                = True
> > > > > Use syslog         = True
> > > > > Is Daemon          = True
> > > > > Use process engine = True
> > > > > Poll time          = 60 seconds
> > > > > Mail server(s)     = prodsmtp.mydomain.net
> > > > > Mail from          = address@hidden
> > > > > Mail subject       = monit alert --  $EVENT $SERVICE
> > > > > Mail message       = $EVENT Service $SERV..(truncated)
> > > > > Start monit httpd  = True
> > > > > httpd bind address = localhost
> > > > > httpd portnumber   = 2812
> > > > > httpd signature    = True
> > > > > Use ssl encryption = False
> > > > > httpd auth. style  = Basic Authentication and Host/Net allow list
> > > > > Alert mail to      = address@hidden
> > > > > Alert on         = All events
> > > > >
> > > > > The service list contains the following entries:
> > > > >
> > > > > Process Name          = ntpd
> > > > > Pid file             = /var/run/ntpd.pid
> > > > > Monitoring mode      = active
> > > > > Start program        = '/etc/init.d/ntpd start' timeout 1 cycle(s)
> > > > > Stop program         = '/etc/init.d/ntpd stop' timeout 1 cycle(s)
> > > > > Pid                  = if changed 1 times within 1 cycle(s) then
> > > > > alert
> > > > > Ppid                 = if changed 1 times within 1 cycle(s) then
> > > > > alert
> > > > > Timeout              = If 3 restart within 3 cycles then unmonitor
> > > > > else if
> > > > > passed then alert
> > > > >
> > > > > System Name           = test-prod.mydomain.net
> > > > > Monitoring mode      = active
> ---------------------------------------------------------------------------> 
> >>>
> -
> > > > > ---
> > > > > monit: pidfile '/var/run/monit.pid' does not exist
> > > > > Starting monit daemon with http interface at [localhost:2812]
> > > > >
> > > > >
> > > > > Then when ntp is killed I see the following in /var/log/messages:
> > > > >
> > > > > Jan 16 19:10:50 test-prod ntpd[13505]: ntpd exiting on signal 15
> > > > > Jan 16 19:11:32 test-prod monit[2398]: 'ntpd' process is not  
> > > > > running
> > > > > Jan 16 19:11:32 test-prod monit[2398]: 'ntpd' trying to restart
> > > > > Jan 16 19:11:32 test-prod monit[2398]: 'ntpd' start: /etc/init.d/
> > > > > ntpd
> > > > > Jan 16 19:11:32 test-prod ntpd[2541]: ntpd address@hidden Tue
> > > > > Jun 10
> > > > > 00:07:18 UTC 2008 (1)
> > > > > Jan 16 19:11:32 test-prod ntpd[2542]: precision = 2.000 usec
> > > > > .
> > > > > .
> > > > >
> > > > > There is no additional output from monit and no attempt to send  
> > > > > mail
> > > > > according to maillog.
> > > > >
> > > > > On 1/16/09 3:52 AM, "Jan-Henrik Haukeland" <address@hidden>
> > > > > wrote:
> > > > >
> > > > > > Have you tried to specify which mail server Monit should use for
> > > > > > alerts?
> > > > > >
> > > > > > See
> > > > > > http://mmonit.com/monit/documentation/monit.html#setting_a_mail_server_for
> > > > > > _a
> > > > > > le
> > > > > > rt_messages
> > > > > >
> > > > > >
> > > > > >
> > > > > > On 16. jan.. 2009, at 08.00, Bruce Reed wrote:
> > > > > >
> > > > > > > I’ve just begun using monit and I am having difficulties getting
> > > > > > > monit to send mail. I’m testing using ntpd and it is restarting
> > > > > > > the
> > > > > > > process, but not sending mail on service restart events or
> > > > > > > timeout.
> > > > > > > In monit.conf I have:
> > > > > > >
> > > > > > > set alert address@hidden
> > > > > > >
> > > > > > > I then had a check statement like this:
> > > > > > >
> > > > > > > check process ntpd with pidfile /var/run/ntpd.pid
> > > > > > >  start program = "/etc/init.d/ntpd start"
> > > > > > >  stop program  = "/etc/init.d/ntpd stop"
> > > > > > >  if 3 restarts within 3 cycles then timeout
> > > > > > >  alert address@hidden only on { timeout }
> > > > > > >
> > > > > > > After 3 successive kills of ntpd and restarts by monit, a  
> > > > > > > timeout
> > > > > > > message was logged, but no mail was sent. I tried removing the
> > > > > > > alert
> > > > > > > statement to see if mail would be sent on any event, but I only
> > > > > > > see
> > > > > > > information iogged and no mail is sent. Nothing in /var/log/
> > > > > > > maillog
> > > > > > > either.
> > > > > > >
> > > > > > > Funny thing is, when I first set this up monit attempted to send
> > > > > > > mail, but an ACL on my postifx server prevented it from getting
> > > > > > > through. I fixed that and retried my test, but from that point
> > > > > > > on no
> > > > > > > mail was sent. Thought perhaps this was a state caching issue,  
> > > > > > > but
> > > > > > > no change across monit restart and I installed monit on another
> > > > > > > server using the same conf files and I get the same results  
> > > > > > > there.
> > > > > > >
> > > > > > > Thanks,
> > > > > > > Bruce
> > > > > >
> > > > > >
> > > > > >
> > > > > > --
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> > > > >
> > > > >
> > > > >
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