Nagios Appender 1.5.1

jonathan.wheeler at stfc.ac.uk jonathan.wheeler at stfc.ac.uk
Thu Mar 25 11:28:08 CET 2010


The check_command for "define host" is the command used to check that
the host is alive; this is not a default for service checks which
require (usually) their own individual check_command.

 

Jonathan Wheeler 
e-Science Centre 
Rutherford Appleton Laboratory

 

From: Raymond Setchfield [mailto:raymond.setchfield at seewhy.com] 
Sent: 25 March 2010 10:06
To: 'Nagios Users List'
Subject: Re: [Nagios-users] Nagios Appender 1.5.1

 

Hi Jonathan

 

This part has also been added into nagios called VirtualHost.cfg

 

define host{

        host_name                       production

        alias                           production

        address                         127.0.0.1       ; we really
don't care what the host ip is, because we're monitoring a 'virtual'
server

        notifications_enabled           0               ; Host
notifications are not enabled

        event_handler_enabled           0               ; Host event
handler is not enabled

        flap_detection_enabled          1               ; Flap detection
is enabled

        failure_prediction_enabled      1               ; Failure
prediction is enabled

        process_perf_data               1               ; Process
performance data

        retain_status_information       1               ; Retain status
information across program restarts

        retain_nonstatus_information    1               ; Retain
non-status information across program restarts

        notification_period             workhours       ; Send host
notifications only during working hours

        #notification_period            24x7            ; Send host
notifications at any time

        notification_period             none            ; Send host
notifications never

        active_checks_enabled           0               ; Active service
checks are enabled

        check_period                    24x7            ; By default,
Linux hosts are checked round the clock

        check_command                   check_dummy     ; This is a
no-op plugin ... we aren't planning on using it

        max_check_attempts              1               ; Check each
Linux host 10 times (max)

        notification_interval           120             ; Resend
notification every 2 hours

        notification_options            d,u,r           ; Send
notifications about warning, unknown, critical, and recovery events

        contact_groups                  server_admin    ; Notifications
get sent to the admins by default

        }

 

define hostgroup{

        hostgroup_name  terminal

        alias           West Coast Production

        members         production

        }

 

define service{

        name                            virtual-passive-service ; The
name of this service template

        use                             generic-service         ;
Inherit default values from the generic-service definition

        check_period                    none                    ; The
service can be checked at any time of the day

        is_volatile                     0                       ; The
service is not volatile

        max_check_attempts              1                       ;
Re-check the service up to 4 times in order to determine its final
(hard) state

        normal_check_interval           1                       ; Check
the service every 5 minutes under normal conditions

        retry_check_interval            1                       ;
Re-check the service every minute until a hard state can be determined

        contact_groups                  server_admin            ;
Notifications get sent out to everyone in the 'admins' group

        notifications_enabled           1                       ;
Service notifications are enabled

        notification_options            w,u,c,r                 ; Send
notifications about warning, unknown, critical, and recovery events

        notification_interval           1                       ;
Re-notify about service problems every hour

        #notification_period            workhours               ; Send
host notifications only during working hours

        notification_period             24x7                    ;
Notifications can be sent out at any time

        retain_status_information       1                       ; Retain
status information across program restarts

        retain_nonstatus_information    1                       ; Retain
non-status information across program restarts

        check_freshness                 0                       ;
Default is to NOT check service 'freshness'

        freshness_threshold             1                       ;

        event_handler_enabled           0                       ;
Service event handler is enabled

        flap_detection_enabled          1                       ; Flap
detection is enabled

        failure_prediction_enabled      1                       ;
Failure prediction is enabled

        process_perf_data               1                       ;
Process performance data

        register                        0                       ; DONT
REGISTER THIS DEFINITION - ITS NOT A REAL SERVICE, JUST A TEMPLATE!

        }

 

Thanks

 

Raymond

From: jonathan.wheeler at stfc.ac.uk [mailto:jonathan.wheeler at stfc.ac.uk] 
Sent: 25 March 2010 09:54
To: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Nagios Appender 1.5.1

 

Well, there is no check_command defined in the configuration you have
posted, but that also depends on the template virtual-passive-service.

 

Jonathan Wheeler 
e-Science Centre 
Rutherford Appleton Laboratory

 

From: Raymond Setchfield [mailto:raymond.setchfield at seewhy.com] 
Sent: 25 March 2010 09:26
To: 'Nagios Users List'
Subject: Re: [Nagios-users] Nagios Appender 1.5.1

 

Hi Robert & Martin

 

Here is the full config file from the HelloWorld.cfg

 

 

define service{

        use                     virtual-passive-service

        host_name               production

        service_description     HelloWorldApplication

        active_checks_enabled   0

        passive_checks_enabled  1

        normal_check_interval   5

        retry_check_interval    3

        check_period            24x7

        contact_groups          server_admin

        }

 

Thanks for your help

 

Raymond

 

From: Robert Wolfe [mailto:rwolfe at i-evolve.com] 
Sent: 24 March 2010 18:00
To: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Nagios Appender 1.5.1

 

Perhaps if you could post the entire service definition.

 

From: Raymond Setchfield [mailto:raymond.setchfield at seewhy.com] 
Sent: Wednesday, March 24, 2010 1:02 PM
To: nagios-users at lists.sourceforge.net
Subject: [Nagios-users] Nagios Appender 1.5.1

 

Hi Folks

 

I am trying to follow the documentation on the Nagios Application
Monitoring and I am having a few issues which if someone could help me
resolve. I have copied the files VirtualHost.cfg and HelloWorld.cfg into
my objects folder and pointed nagios.cfg to look at them. I have altered
the files to suit my requirements etc. 

 

Whilst doing the pre-flight checks it is flagging up an error; 

 

Error: Service description, host name, or check command is NULL

Error: Could not register service (config file
'/usr/local/nagios/etc/objects/HelloWorld.cfg', starting on line 16)

   Error processing object config files!

 

When checking line 16 of the HelloWorld it is this;

 

define service{

 

This appears to me that there is nothing wrong with it at all, but for
some reason Nagios doesn't like it. Can someone please help me on why
this isn't working? Or possibly point me in the direction of some
documentation on how to install this Appender properly? 

 

Many Thanks

 

Raymond 

 

-- 
Scanned by iCritical. 

 


-- 
Scanned by iCritical.

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