plugins/check_cluster.c

   1 /*****************************************************************************
   2 *
   3 * check_cluster.c - Host and Service Cluster Plugin for Nagios 2.x
   4 *
   5 * License: GPL
   6 * Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org)
   7 * Copyright (c) 2007 Nagios Plugins Development Team
   8 *
   9 * Last Modified: $Date$
  10 *
  11 *
  12 * This program is free software: you can redistribute it and/or modify
  13 * it under the terms of the GNU General Public License as published by
  14 * the Free Software Foundation, either version 3 of the License, or
  15 * (at your option) any later version.
  16 *
  17 * This program is distributed in the hope that it will be useful,
  18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 * GNU General Public License for more details.
  21 *
  22 * You should have received a copy of the GNU General Public License
  23 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24 *
  25 * $Id$
  26 *
  27 *****************************************************************************/
  28
  29 const char *progname = "check_cluster";
  30 const char *revision = "$Revision$";
  31 const char *copyright = "2000-2007";
  32 const char *email = "nagiosplug-devel@lists.sourceforge.net";
  33
  34 #include "common.h"
  35 #include "utils.h"
  36 #include "utils_base.h"
  37
  38 #define CHECK_SERVICES  1
  39 #define CHECK_HOSTS     2
  40
  41 void print_help (void);
  42 void print_usage (void);
  43
  44 int total_services_ok=0;
  45 int total_services_warning=0;
  46 int total_services_unknown=0;
  47 int total_services_critical=0;
  48
  49 int total_hosts_up=0;
  50 int total_hosts_down=0;
  51 int total_hosts_unreachable=0;
  52
  53 char *warn_threshold;
  54 char *crit_threshold;
  55
  56 int check_type=CHECK_SERVICES;
  57
  58 char *data_vals=NULL;
  59 char *label=NULL;
  60
  61 int verbose=0;
  62
  63 int process_arguments(int,char **);
  64
  65
  66
  67 int main(int argc, char **argv){
  68         char *ptr;
  69         int data_val;
  70         int return_code=STATE_OK;
  71         thresholds *thresholds = NULL;
  72
  73         setlocale (LC_ALL, "");
  74         bindtextdomain (PACKAGE, LOCALEDIR);
  75         textdomain (PACKAGE);
  76
  77         if(process_arguments(argc,argv)==ERROR)
  78                 usage(_("Could not parse arguments"));
  79
  80         /* Initialize the thresholds */
  81         set_thresholds(&thresholds, warn_threshold, crit_threshold);
  82         if(verbose)
  83                 print_thresholds("check_cluster", thresholds);
  84
  85         /* check the data values */
  86         for(ptr=strtok(data_vals,",");ptr!=NULL;ptr=strtok(NULL,",")){
  87
  88                 data_val=atoi(ptr);
  89
  90                 if(check_type==CHECK_SERVICES){
  91                         switch(data_val){
  92                         case 0:
  93                                 total_services_ok++;
  94                                 break;
  95                         case 1:
  96                                 total_services_warning++;
  97                                 break;
  98                         case 2:
  99                                 total_services_critical++;
 100                                 break;
 101                         case 3:
 102                                 total_services_unknown++;
 103                                 break;
 104                         default:
 105                                 break;
 106                         }
 107                 }
 108                 else{
 109                         switch(data_val){
 110                         case 0:
 111                                 total_hosts_up++;
 112                                 break;
 113                         case 1:
 114                                 total_hosts_down++;
 115                                 break;
 116                         case 2:
 117                                 total_hosts_unreachable++;
 118                                 break;
 119                         default:
 120                                 break;
 121                         }
 122                 }
 123         }
 124
 125
 126         /* return the status of the cluster */
 127         if(check_type==CHECK_SERVICES){
 128                 return_code=get_status(total_services_warning+total_services_unknown+total_services_critical, thresholds);
 129                 printf("CLUSTER %s: %s: %d ok, %d warning, %d unknown, %d critical\n",
 130                         state_text(return_code), (label==NULL)?"Service cluster":label,
 131                         total_services_ok,total_services_warning,
 132                         total_services_unknown,total_services_critical);
 133         }
 134         else{
 135                 return_code=get_status(total_hosts_down+total_hosts_unreachable, thresholds);
 136                 printf("CLUSTER %s: %s: %d up, %d down, %d unreachable\n",
 137                         state_text(return_code), (label==NULL)?"Host cluster":label,
 138                         total_hosts_up,total_hosts_down,total_hosts_unreachable);
 139         }
 140
 141         return return_code;
 142 }
 143
 144
 145
 146 int process_arguments(int argc, char **argv){
 147         int c;
 148         int option=0;
 149         static struct option longopts[]={
 150                 {"data",     required_argument,0,'d'},
 151                 {"warning",  required_argument,0,'w'},
 152                 {"critical", required_argument,0,'c'},
 153                 {"label",    required_argument,0,'l'},
 154                 {"host",     no_argument,      0,'h'},
 155                 {"service",  no_argument,      0,'s'},
 156                 {"verbose",  no_argument,      0,'v'},
 157                 {"version",  no_argument,      0,'V'},
 158                 {"help",     no_argument,      0,'H'},
 159                 {0,0,0,0}
 160         };
 161
 162         /* no options were supplied */
 163         if(argc<2)
 164                 return ERROR;
 165
 166         while(1){
 167
 168                 c=getopt_long(argc,argv,"hHsvVw:c:d:l:",longopts,&option);
 169
 170                 if(c==-1 || c==EOF || c==1)
 171                         break;
 172
 173                 switch(c){
 174
 175                 case 'h': /* host cluster */
 176                         check_type=CHECK_HOSTS;
 177                         break;
 178
 179                 case 's': /* service cluster */
 180                         check_type=CHECK_SERVICES;
 181                         break;
 182
 183                 case 'w': /* warning threshold */
 184                         warn_threshold = strdup(optarg);
 185                         break;
 186
 187                 case 'c': /* warning threshold */
 188                         crit_threshold = strdup(optarg);
 189                         break;
 190
 191                 case 'd': /* data values */
 192                         data_vals=(char *)strdup(optarg);
 193                         break;
 194
 195                 case 'l': /* text label */
 196                         label=(char *)strdup(optarg);
 197                         break;
 198
 199                 case 'v': /* verbose */
 200                         verbose++;
 201                         break;
 202
 203                 case 'V': /* version */
 204                         print_revision (progname, revision);
 205                         exit (STATE_OK);
 206                         break;
 207
 208                 case 'H': /* help */
 209                         print_help();
 210                         exit(STATE_UNKNOWN);
 211                         break;
 212
 213                 default:
 214                         return ERROR;
 215                         break;
 216                 }
 217         }
 218
 219         if(data_vals==NULL)
 220                 return ERROR;
 221
 222         return OK;
 223 }
 224
 225 void
 226 print_help(void)
 227 {
 228         print_revision(progname, revision);
 229         printf ("Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org)\n");
 230         printf(COPYRIGHT, copyright, email);
 231
 232         printf(_("Host/Service Cluster Plugin for Nagios 2"));
 233         printf("\n\n");
 234
 235         print_usage();
 236
 237         printf("\n");
 238         printf("%s\n", _("Options:"));
 239         printf (" %s\n", "-s, --service");
 240         printf ("    %s\n", _("Check service cluster status"));
 241         printf (" %s\n", "-h, --host");
 242         printf ("    %s\n", _("Check host cluster status"));
 243         printf (" %s\n", "-l, --label=STRING");
 244         printf ("    %s\n", _("Optional prepended text output (i.e. \"Host cluster\")"));
 245         printf (" %s\n", "-w, --warning=THRESHOLD");
 246         printf ("    %s\n", _("Specifies the range of hosts or services in cluster that must be in a"));
 247         printf ("    %s\n", _("non-OK state in order to return a WARNING status level"));
 248         printf (" %s\n", "-c, --critical=THRESHOLD");
 249         printf ("    %s\n", _("Specifies the range of hosts or services in cluster that must be in a"));
 250         printf ("    %s\n", _("non-OK state in order to return a CRITICAL status level"));
 251         printf (" %s\n", "-d, --data=LIST");
 252         printf ("    %s\n", _("The status codes of the hosts or services in the cluster, separated by"));
 253         printf ("    %s\n", _("commas"));
 254
 255         printf(_(UT_VERBOSE));
 256
 257         printf("\n");
 258         printf("%s\n", _("Notes:"));
 259         printf(" %s\n", _("See:"));
 260         printf(" %s\n", ("http://nagiosplug.sourceforge.net/developer-guidelines.html#THRESHOLDFORMAT"));
 261         printf(" %s\n", _("for THRESHOLD format and examples."));
 262
 263         printf(_(UT_SUPPORT));
 264         printf("\n");
 265 }
 266
 267
 268 void
 269 print_usage(void)
 270 {
 271
 272         printf(_("Usage:"));
 273         printf(" %s (-s | -h) -d val1[,val2,...,valn] [-l label]\n", progname);
 274         printf("[-w threshold] [-c threshold] [-v] [--help]\n");
 275
 276 }
 277