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/*****************************************************************************
*
* CHECK_CLUSTER2.C - Host and Service Cluster Plugin for Nagios 2.x
*
* Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org)
* License: GPL
* Last Modified: 03-11-2004
*
* License:
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#define OK 0
#define ERROR -1
#define TRUE 1
#define FALSE 0
#define CHECK_SERVICES 1
#define CHECK_HOSTS 2
#define MAX_INPUT_BUFFER 1024
#define STATE_OK 0
#define STATE_WARNING 1
#define STATE_CRITICAL 2
#define STATE_UNKNOWN 3
int total_services_ok=0;
int total_services_warning=0;
int total_services_unknown=0;
int total_services_critical=0;
int total_hosts_up=0;
int total_hosts_down=0;
int total_hosts_unreachable=0;
int warning_threshold=1;
int critical_threshold=1;
int check_type=CHECK_SERVICES;
char *data_vals=NULL;
char *label=NULL;
int process_arguments(int,char **);
int main(int argc, char **argv){
char input_buffer[MAX_INPUT_BUFFER];
char *ptr;
int data_val;
int return_code=STATE_OK;
int error=FALSE;
if(process_arguments(argc,argv)==ERROR){
printf("Invalid arguments supplied\n");
printf("\n");
printf("Host/Service Cluster Plugin for Nagios 2\n");
printf("Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org)\n");
printf("Last Modified: 03-11-2004\n");
printf("License: GPL\n");
printf("\n");
printf("Usage: %s (-s | -h) [-l label] [-w threshold] [-c threshold] [-d val1,val2,...,valn]\n",argv[0]);
printf("\n");
printf("Options:\n");
printf(" -s, --service = Check service cluster status\n");
printf(" -h, --host = Check host cluster status\n");
printf(" -l, --label = Optional prepended text output (i.e. \"Host cluster\")\n");
printf(" -w, --warning = Specifies the number of hosts or services in cluster that must be in\n");
printf(" a non-OK state in order to return a WARNING status level\n");
printf(" -c, --critical = Specifies the number of hosts or services in cluster that must be in\n");
printf(" a non-OK state in order to return a CRITICAL status level\n");
printf(" -d, --data = The status codes of the hosts or services in the cluster, separated\n");
printf(" by commas\n");
printf("\n");
return STATE_UNKNOWN;
}
/* check the data values */
for(ptr=strtok(data_vals,",");ptr!=NULL;ptr=strtok(NULL,",")){
data_val=atoi(ptr);
if(check_type==CHECK_SERVICES){
switch(data_val){
case 0:
total_services_ok++;
break;
case 1:
total_services_warning++;
break;
case 2:
total_services_critical++;
break;
case 3:
total_services_unknown++;
break;
default:
break;
}
}
else{
switch(data_val){
case 0:
total_hosts_up++;
break;
case 1:
total_hosts_down++;
break;
case 2:
total_hosts_unreachable++;
break;
default:
break;
}
}
}
/* return the status of the cluster */
if(check_type==CHECK_SERVICES){
if((total_services_warning+total_services_unknown+total_services_critical) >= critical_threshold)
return_code=STATE_CRITICAL;
else if((total_services_warning+total_services_unknown+total_services_critical) >= warning_threshold)
return_code=STATE_WARNING;
else
return_code=STATE_OK;
printf("%s %s: %d ok, %d warning, %d unknown, %d critical\n",(label==NULL)?"Service cluster":label,(return_code==STATE_OK)?"ok":"problem",total_services_ok,total_services_warning,total_services_unknown,total_services_critical);
}
else{
if((total_hosts_down+total_hosts_unreachable) >= critical_threshold)
return_code=STATE_CRITICAL;
else if((total_hosts_down+total_hosts_unreachable) >= warning_threshold)
return_code=STATE_WARNING;
else
return_code=STATE_OK;
printf("%s %s: %d up, %d down, %d unreachable\n",(label==NULL)?"Host cluster":label,(return_code==STATE_OK)?"ok":"problem",total_hosts_up,total_hosts_down,total_hosts_unreachable);
}
return return_code;
}
int process_arguments(int argc, char **argv){
int c;
int option=0;
static struct option longopts[]={
{"data", required_argument,0,'d'},
{"warning", required_argument,0,'w'},
{"critical", required_argument,0,'c'},
{"label", required_argument,0,'l'},
{"host", no_argument, 0,'h'},
{"service", no_argument, 0,'s'},
{0,0,0,0}
};
/* no options were supplied */
if(argc<2)
return ERROR;
while(1){
c=getopt_long(argc,argv,"hsw:c:d:l:",longopts,&option);
if(c==-1 || c==EOF || c==1)
break;
switch(c){
case 'h': /* host cluster */
check_type=CHECK_HOSTS;
break;
case 's': /* service cluster */
check_type=CHECK_SERVICES;
break;
case 'w': /* warning threshold */
warning_threshold=atoi(optarg);
break;
case 'c': /* warning threshold */
critical_threshold=atoi(optarg);
break;
case 'd': /* data values */
data_vals=(char *)strdup(optarg);
break;
case 'l': /* text label */
label=(char *)strdup(optarg);
break;
default:
return ERROR;
break;
}
}
if(data_vals==NULL)
return ERROR;
return OK;
}
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