pkg-monitoring-plugins/plugins/check_cluster.c

290 lines
6.9 KiB
C

/*****************************************************************************
*
* check_cluster.c - Host and Service Cluster Plugin for Monitoring
*
* License: GPL
* Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org)
* Copyright (c) 2007 Monitoring Plugins Development Team
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*
*****************************************************************************/
const char *progname = "check_cluster";
const char *copyright = "2000-2007";
const char *email = "devel@monitoring-plugins.org";
#include "common.h"
#include "utils.h"
#include "utils_base.h"
#define CHECK_SERVICES 1
#define CHECK_HOSTS 2
void print_help (void);
void print_usage (void);
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;
char *warn_threshold;
char *crit_threshold;
int check_type=CHECK_SERVICES;
char *data_vals=NULL;
char *label=NULL;
int verbose=0;
int process_arguments(int,char **);
int main(int argc, char **argv){
char *ptr;
int data_val;
int return_code=STATE_OK;
thresholds *thresholds = NULL;
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
/* Parse extra opts if any */
argv=np_extra_opts(&argc, argv, progname);
if(process_arguments(argc,argv)==ERROR)
usage(_("Could not parse arguments"));
/* Initialize the thresholds */
set_thresholds(&thresholds, warn_threshold, crit_threshold);
if(verbose)
print_thresholds("check_cluster", thresholds);
/* 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){
return_code=get_status(total_services_warning+total_services_unknown+total_services_critical, thresholds);
printf("CLUSTER %s: %s: %d ok, %d warning, %d unknown, %d critical\n",
state_text(return_code), (label==NULL)?"Service cluster":label,
total_services_ok,total_services_warning,
total_services_unknown,total_services_critical);
}
else{
return_code=get_status(total_hosts_down+total_hosts_unreachable, thresholds);
printf("CLUSTER %s: %s: %d up, %d down, %d unreachable\n",
state_text(return_code), (label==NULL)?"Host cluster":label,
total_hosts_up,total_hosts_down,total_hosts_unreachable);
}
return return_code;
}
int process_arguments(int argc, char **argv){
int c;
char *ptr;
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'},
{"verbose", no_argument, 0,'v'},
{"version", no_argument, 0,'V'},
{"help", no_argument, 0,'H'},
{0,0,0,0}
};
/* no options were supplied */
if(argc<2)
return ERROR;
while(1){
c=getopt_long(argc,argv,"hHsvVw: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 */
warn_threshold = strdup(optarg);
break;
case 'c': /* warning threshold */
crit_threshold = strdup(optarg);
break;
case 'd': /* data values */
data_vals=(char *)strdup(optarg);
/* validate data */
for (ptr=data_vals;ptr!=NULL;ptr+=2){
if (ptr[0]<'0' || ptr[0]>'3')
return ERROR;
if (ptr[1]=='\0')
break;
if (ptr[1]!=',')
return ERROR;
}
break;
case 'l': /* text label */
label=(char *)strdup(optarg);
break;
case 'v': /* verbose */
verbose++;
break;
case 'V': /* version */
print_revision (progname, NP_VERSION);
exit (STATE_UNKNOWN);
break;
case 'H': /* help */
print_help();
exit(STATE_UNKNOWN);
break;
default:
return ERROR;
break;
}
}
if(data_vals==NULL)
return ERROR;
return OK;
}
void
print_help(void)
{
print_revision(progname, NP_VERSION);
printf ("Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org)\n");
printf(COPYRIGHT, copyright, email);
printf(_("Host/Service Cluster Plugin for Monitoring"));
printf("\n\n");
print_usage();
printf("\n");
printf("%s\n", _("Options:"));
printf(UT_EXTRA_OPTS);
printf (" %s\n", "-s, --service");
printf (" %s\n", _("Check service cluster status"));
printf (" %s\n", "-h, --host");
printf (" %s\n", _("Check host cluster status"));
printf (" %s\n", "-l, --label=STRING");
printf (" %s\n", _("Optional prepended text output (i.e. \"Host cluster\")"));
printf (" %s\n", "-w, --warning=THRESHOLD");
printf (" %s\n", _("Specifies the range of hosts or services in cluster that must be in a"));
printf (" %s\n", _("non-OK state in order to return a WARNING status level"));
printf (" %s\n", "-c, --critical=THRESHOLD");
printf (" %s\n", _("Specifies the range of hosts or services in cluster that must be in a"));
printf (" %s\n", _("non-OK state in order to return a CRITICAL status level"));
printf (" %s\n", "-d, --data=LIST");
printf (" %s\n", _("The status codes of the hosts or services in the cluster, separated by"));
printf (" %s\n", _("commas"));
printf(UT_VERBOSE);
printf("\n");
printf("%s\n", _("Notes:"));
printf(UT_THRESHOLDS_NOTES);
printf ("\n");
printf ("%s\n", _("Examples:"));
printf (" %s\n", "check_cluster -s -d 2,0,2,0 -c @3:");
printf (" %s\n", _("Will alert critical if there are 3 or more service data points in a non-OK") );
printf (" %s\n", _("state.") );
printf(UT_SUPPORT);
}
void
print_usage(void)
{
printf("%s\n", _("Usage:"));
printf(" %s (-s | -h) -d val1[,val2,...,valn] [-l label]\n", progname);
printf("[-w threshold] [-c threshold] [-v] [--help]\n");
}