Difference between revisions of "Nagios"

From Teknologisk videncenter
Jump to: navigation, search
m
m (Script)
Line 1: Line 1:
 
= check sensor example program =
 
= check sensor example program =
 
== Script ==
 
== Script ==
Configured on FreeBSD file /usr/local/libexec/nagios/check_humidity
+
FreeBSD file /usr/local/libexec/nagios/check_humidity
 
<source lang="perl">
 
<source lang="perl">
 
#!/usr/bin/perl
 
#!/usr/bin/perl
Line 26: Line 26:
 
                 exit 0;
 
                 exit 0;
 
         }
 
         }
 +
}
 +
</source>
 +
== configuration ==
 +
<source lang="text">
 +
define service {
 +
  name                    five            ; The name of this service template
 +
  use                      generic-service  ; Inherit default values from the generic-service definition
 +
  check_period            24x7            ; The service can be checked at any time of the day
 +
  max_check_attempts      4                ; Re-check the service up to 4 times in order to determine its final (hard) state
 +
  normal_check_interval    5                ; 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          router-admins    ; Notifications get sent out to everyone in the 'admins' group
 +
  notification_options    w,u,c,r          ; Send notifications about warning, unknown, critical, and recovery events
 +
  notification_interval    60              ; Re-notify about service problems every hour
 +
  notification_period      24x7            ; Notifications can be sent out at any time
 +
  register                0                ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL SERVICE, JUST A TEMPLATE!
 +
}
 +
 +
define service {
 +
        use five
 +
        host_name localhost
 +
        service_description Humidity
 +
        check_command check_humidity!60 80
 
}
 
}
 
</source>
 
</source>

Revision as of 20:05, 14 May 2009

check sensor example program

Script

FreeBSD file /usr/local/libexec/nagios/check_humidity

#!/usr/bin/perl
if (scalar(@ARGV) != 2) {
        print "Usage: $0 humidity_minimum humidity_maximum\n";
        exit 3;
}
my $hum_min = shift;
my $hum_max = shift;

open(TEMP, "/usr/bin/temp |");
while(my $line = <TEMP>) {
        if ($line =~ m/Humidity.+?(\d+)/ ) {
                my $humidity = $1;
                if ($humidity < $hum_min) {
                  print "Humidity is low under $hum_min% and now $humidity%\n";
                  exit 1;
                }
                if ($humidity > $hum_max) {
                  print "Humidity is high over $hum_max% and now $humidity%\n";
                  exit 2;
                }
                print "Humidity is OK. Now at $humidity%\n";
                exit 0;
        }
}

configuration

define service {
   name                     five             ; The name of this service template
   use                      generic-service  ; Inherit default values from the generic-service definition
   check_period             24x7             ; The service can be checked at any time of the day
   max_check_attempts       4                ; Re-check the service up to 4 times in order to determine its final (hard) state
   normal_check_interval    5                ; 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           router-admins    ; Notifications get sent out to everyone in the 'admins' group
   notification_options     w,u,c,r          ; Send notifications about warning, unknown, critical, and recovery events
   notification_interval    60               ; Re-notify about service problems every hour
   notification_period      24x7             ; Notifications can be sent out at any time
   register                 0                ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL SERVICE, JUST A TEMPLATE!
}

define service {
        use five
        host_name localhost
        service_description Humidity
        check_command check_humidity!60 80
}

Links