"Error in configuration file"..."Line 34 (NULL value)"

Peter McAlpine peter at mcalpinecomputing.net
Tue Mar 23 12:47:57 CET 2004


Hello,

I'm no expert, but it sounds as though you're referencing a template
file as a your primary config file. I think you need to have a main
config file (ex - nagios.cfg) and an object config file (ex -
object.cfg) and put a:
cfg_file=/path/to/object.cfg
in your nagios.cfg file.

-Peter

On Tue, 2004-03-23 at 04:22, rob.le at gmx.de wrote:
> Hello ,
> 
> I'm a newby in nagios and have a problem with the nagios configuration file:
> 
> I use SuSE9.0 and its nagios-package nagios-1.1-78. A
> Minimal-Sample-Configuration file is part of this package. If I try to start nagios with: nagios -v
> /etc/nagios/nagios.cfg (after renaming the sample-file to nagios.cfg), i get
> the following error:
> 
> -----
> Reading configuration data...
> Error in configuration file '/etc/nagios/nagios.cfg' - Line 34 (NULL value)
> 
> ***> One ore mor problems was encountered....(etc,etc).
> -------
> 
> 
> In Line 34, the timeperiod-definition begins. I can't find any hints,
> neither in the documentations nor with google. 
> 
> I hope that somone can help me. Thank
> you
> 
> Robert
> 
> 
> nagios.cfg:
> 
> 
> ###############################################################################
> # MINIMAL.CFG
> #
> # MINIMALISTIC OBJECT CONFIG FILE (Template-Based Object File Format)
> #
> # Last Modified: 10-03-2002
> #
> #
> # NOTE: This config file is intended to be used to test a Nagios
> installation
> #       that has been compiled with support for the template-based object
> #       configuration files.
> #
> #       This config file is intended to servce as an *extremely* simple 
> #       example of how you can create your object configuration file(s).
> #       If you're interested in more complex object configuration files for
> #       Nagios, look in the sample-config/template-object/ subdirectory of
> #       the
> distribution.
> #
> ###############################################################################
> 
> 
> 
> ###############################################################################
> ###############################################################################
> #
> # TIME
> PERIODS
> #
> ###############################################################################
> ###############################################################################
> 
> # This defines a timeperiod where all times are valid for checks, 
> # notifications, etc.  The classic "24x7" support nightmare. :-)
> 
> define timeperiod {
>         timeperiod_name 24x7
>         alias           24 Hours A Day, 7 Days A Week
>         sunday          00:00-24:00
>         monday          00:00-24:00
>         tuesday         00:00-24:00
>         wednesday       00:00-24:00
>         thursday        00:00-24:00
>         friday          00:00-24:00
>         saturday        00:00-24:00
>        }
> 
> 
> 
> #timeperiod[24x7]=24 hours a day, 7 Days a
> week;00:00-24:00;00:00-24:00;00:00-24:00;00:00-24:00;00:00-24:00;00:00-24:00;00:00-24:00	
> ###############################################################################
> ###############################################################################
> #
> #
> COMMANDS
> #
> ###############################################################################
> ###############################################################################
> 
> # This is a sample service notification command that can be used to send
> email 
> # notifications (about service alerts) to contacts.
> 
> define command{
> 	command_name	notify-by-email
> 	command_line	/usr/bin/printf "%b" "***** Nagios  *****\n\nNotification
> Type: $NOTIFICATIONTYPE$\n\nService: $SERVICEDESC$\nHost: $HOSTALIAS$\nAddress:
> $HOSTADDRESS$\nState: $SERVICESTATE$\n\nDate/Time: $DATETIME$\n\nAdditional
> Info:\n\n$OUTPUT$" | /usr/bin/mail -s "** $NOTIFICATIONTYPE$ alert -
> $HOSTALIAS$/$SERVICEDESC$ is $SERVICESTATE$ **" $CONTACTEMAIL$
> 	}
> 
> 
> # This is a sample host notification command that can be used to send email 
> # notifications (about host alerts) to contacts.
> 
> define command{
> 	command_name	host-notify-by-email
> 	command_line	/usr/bin/printf "%b" "***** Nagios  *****\n\nNotification
> Type: $NOTIFICATIONTYPE$\nHost: $HOSTNAME$\nState: $HOSTSTATE$\nAddress:
> $HOSTADDRESS$\nInfo: $OUTPUT$\n\nDate/Time: $DATETIME$\n" | /usr/bin/mail -s "Host
> $HOSTSTATE$ alert for $HOSTNAME$!" $CONTACTEMAIL$
> 	}
> 
> 
> # Command to check to see if a host is "alive" (up) by pinging it
> 
> define command{
>         command_name    check-host-alive
>         command_line    /bin/check_ping -H $HOSTADDRESS$ -w 99,99% -c
> 100,100% -p 1 
>         }
> 
> 
> # Generic command to check a device by pinging it
> 
> define command{
> 	command_name	check_ping
> 	command_line	$USER1$/check_ping -H $HOSTADDRESS$ -w $ARG1$ -c $ARG2$ -p 5
> 	}
> 
> 
> # Command used to check disk space usage on local partitions
> 
> define command{
> 	command_name	check_local_disk
> 	command_line	$USER1$/check_disk -w $ARG1$ -c $ARG2$ -p $ARG3$
> 	}
> 
> 
> # Command used to check the number of currently logged in users on the
> # local machine
> 
> define command{
> 	command_name	check_local_users
> 	command_line	$USER1$/check_users -w $ARG1$ -c $ARG2$
> 	}
> 
> 
> # Command to check the number of running processing on the local machine
> 
> define command{
> 	command_name	check_local_procs
> 	command_line	$USER1$/check_procs -w $ARG1$ -c $ARG2$
> 	}
> 
> 
> # Command to check the load on the local machine
> 
> define command{
> 	command_name	check_local_load
> 	command_line	$USER1$/check_load -w $ARG1$ -c
> $ARG2$
> 	}
> 
> 
> 
> ###############################################################################
> ###############################################################################
> #
> #
> CONTACTS
> #
> ###############################################################################
> ###############################################################################
> 
> # In this simple config file, a single contact will receive all alerts.
> # This assumes that you have an account (or email alias) called
> # "daemon-admin" on the local host.
> 
> define contact{
>         contact_name                    daemon-admin
>         alias                           Nagios Admin
>         service_notification_period     24x7
>         host_notification_period        24x7
>         service_notification_options    w,u,c,r
>         host_notification_options       d,r
>         service_notification_commands   notify-by-email
>         host_notification_commands      host-notify-by-email
>         email                           daemon-admin at localhost
>        
> }
> 
> 
> 
> ###############################################################################
> ###############################################################################
> #
> # CONTACT
> GROUPS
> #
> ###############################################################################
> ###############################################################################
> 
> # We only have one contact in this simple configuration file, so there is
> # no need to create more than one contact group.
> 
> define contactgroup{
>         contactgroup_name       admins
>         alias                   Nagios Administrators
>         members                 daemon-admin
>        
> }
> 
> 
> 
> ###############################################################################
> ###############################################################################
> #
> #
> HOSTS
> #
> ###############################################################################
> ###############################################################################
> 
> # Generic host definition template - This is NOT a real host, just a
> template!
> 
> define host{
>         name                            generic-host    ; The name of this
> host template
>         notifications_enabled           1       ; Host notifications are
> enabled
>         event_handler_enabled           1       ; Host 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
>         retain_status_information       1       ; Retain status information
> across program restarts
>         retain_nonstatus_information    1       ; Retain non-status
> information across program restarts
>         register                        0       ; DONT REGISTER THIS
> DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
>         }
> 
> 
> # Since this is a simple configuration file, we only monitor one host - the
> # local host (this machine).
> 
> define host{
>         use                     generic-host            ; Name of host
> template to use
>         host_name               localhost
>         alias                   localhost
>         address                 127.0.0.1
>         check_command           check-host-alive
>         max_check_attempts      10
>         notification_interval   120
>         notification_period     24x7
>         notification_options    d,r
>        
> }
> 
> 
> 
> ###############################################################################
> ###############################################################################
> #
> # HOST
> GROUPS
> #
> ###############################################################################
> ###############################################################################
> 
> # We only have one host in our simple config file, so there is no need to
> # create more than one hostgroup.
> 
> define hostgroup{
>         hostgroup_name  test
>         alias           Test Servers
>         contact_groups  admins
>         members         localhost
>        
> }
> 
> 
> 
> ###############################################################################
> ###############################################################################
> #
> #
> SERVICES
> #
> ###############################################################################
> ###############################################################################
> 
> # Generic service definition template - This is NOT a real service, just a
> template!
> 
> define service{
>         name                            generic-service ; The 'name' of this
> service template
>         active_checks_enabled           1       ; Active service checks are
> enabled
>         passive_checks_enabled          1       ; Passive service checks are
> enabled/accepted
>         parallelize_check               1       ; Active service checks
> should be parallelized (disabling this can lead to major performance problems)
>         obsess_over_service             1       ; We should obsess over this
> service (if necessary)
>         check_freshness                 0       ; Default is to NOT check
> service 'freshness'
>         notifications_enabled           1       ; Service notifications are
> enabled
>         event_handler_enabled           1       ; 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
>         retain_status_information       1       ; Retain status information
> across program restarts
>         retain_nonstatus_information    1       ; Retain non-status
> information across program restarts
>         register                        0       ; DONT REGISTER THIS
> DEFINITION - ITS NOT A REAL SERVICE, JUST A TEMPLATE!
>         }
> 
> 
> # Define a service to "ping" the local machine
> 
> define service{
>         use                             generic-service         ; Name of
> service template to use
>         host_name                       localhost
>         service_description             PING
>         is_volatile                     0
>         check_period                    24x7
>         max_check_attempts              4
>         normal_check_interval           5
>         retry_check_interval            1
>         contact_groups                  admins
>         notification_interval           960
>         notification_period             24x7
> 	check_command			check_ping!100.0,20%!500.0,60%
>         }
> 
> 
> # Define a service to check the disk space of the root partition
> # on the local machine.  Warning if < 20% free, critical if
> # < 10% free space on partition.
> 
> define service{
>         use                             generic-service         ; Name of
> service template to use
>         host_name                       localhost
>         service_description             Root Partition
>         is_volatile                     0
>         check_period                    24x7
>         max_check_attempts              4
>         normal_check_interval           5
>         retry_check_interval            1
>         contact_groups                  admins
>         notification_interval           960
>         notification_period             24x7
> 	check_command			check_local_disk!20%!10%!/
>         }
> 
> 
> 
> # Define a service to check the number of currently logged in
> # users on the local machine.  Warning if > 20 users, critical
> # if > 50 users.
> 
> define service{
>         use                             generic-service         ; Name of
> service template to use
>         host_name                       localhost
>         service_description             Current Users
>         is_volatile                     0
>         check_period                    24x7
>         max_check_attempts              4
>         normal_check_interval           5
>         retry_check_interval            1
>         contact_groups                  admins
>         notification_interval           960
>         notification_period             24x7
> 	check_command			check_local_users!20!50
>         }
> 
> 
> # Define a service to check the number of currently running procs
> # on the local machine.  Warning if > 250 processes, critical if
> # > 400 users.
> 
> define service{
>         use                             generic-service         ; Name of
> service template to use
>         host_name                       localhost
>         service_description             Total Processes
>         is_volatile                     0
>         check_period                    24x7
>         max_check_attempts              4
>         normal_check_interval           5
>         retry_check_interval            1
>         contact_groups                  admins
>         notification_interval           960
>         notification_period             24x7
> 	check_command			check_local_procs!250!400
>         }
> 
> 
> 
> # Define a service to check the load on the local machine. 
> 
> define service{
>         use                             generic-service         ; Name of
> service template to use
>         host_name                       localhost
>         service_description             Current Load
>         is_volatile                     0
>         check_period                    24x7
>         max_check_attempts              4
>         normal_check_interval           5
>         retry_check_interval            1
>         contact_groups                  admins
>         notification_interval           960
>         notification_period             24x7
> 	check_command			check_local_load!5.0,4.0,3.0!10.0,6.0,4.0
>         }
> 
> 
> 
> # EOF
> 
> 
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