plugins/check_cluster.c

   1 /*****************************************************************************
   2  *
   3  * CHECK_CLUSTER2.C - Host and Service Cluster Plugin for Nagios 2.x
   4  *
   5  * Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org)
   6  * Copyright (c) 2007 nagios-plugins team
   7  * License: GPL
   8  * Last Modified: $Date$
   9  *
  10  * License Information:
  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 2 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, write to the Free Software
  24  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  25  *
  26  * $Id$
  27  *
  28 ******************************************************************************/
  29
  30 const char *progname = "check_cluster";
  31 const char *revision = "$Revision$";
  32 const char *copyright = "2007";
  33 const char *email = "nagiosplug-devel@lists.sourceforge.net";
  34
  35 #include "common.h"
  36 #include "utils.h"
  37 #include "utils_base.h"
  38
  39 #define CHECK_SERVICES  1
  40 #define CHECK_HOSTS     2
  41
  42 void print_help (void);
  43 void print_usage (void);
  44
  45 int total_services_ok=0;
  46 int total_services_warning=0;
  47 int total_services_unknown=0;
  48 int total_services_critical=0;
  49
  50 int total_hosts_up=0;
  51 int total_hosts_down=0;
  52 int total_hosts_unreachable=0;
  53
  54 char *warn_threshold;
  55 char *crit_threshold;
  56
  57 int check_type=CHECK_SERVICES;
  58
  59 char *data_vals=NULL;
  60 char *label=NULL;
  61
  62 int verbose=0;
  63
  64 int process_arguments(int,char **);
  65
  66
  67
  68 int main(int argc, char **argv){
  69         char *ptr;
  70         int data_val;
  71         int return_code=STATE_OK;
  72         thresholds *thresholds = NULL;
  73
  74         if(process_arguments(argc,argv)==ERROR)
  75                 usage(_("Could not parse arguments"));
  76
  77         /* Initialize the thresholds */
  78         set_thresholds(&thresholds, warn_threshold, crit_threshold);
  79         if(verbose)
  80                 print_thresholds("check_cluster", thresholds);
  81
  82         /* check the data values */
  83         for(ptr=strtok(data_vals,",");ptr!=NULL;ptr=strtok(NULL,",")){
  84
  85                 data_val=atoi(ptr);
  86
  87                 if(check_type==CHECK_SERVICES){
  88                         switch(data_val){
  89                         case 0:
  90                                 total_services_ok++;
  91                                 break;
  92                         case 1:
  93                                 total_services_warning++;
  94                                 break;
  95                         case 2:
  96                                 total_services_critical++;
  97                                 break;
  98                         case 3:
  99                                 total_services_unknown++;
 100                                 break;
 101                         default:
 102                                 break;
 103                         }
 104                 }
 105                 else{
 106                         switch(data_val){
 107                         case 0:
 108                                 total_hosts_up++;
 109                                 break;
 110                         case 1:
 111                                 total_hosts_down++;
 112                                 break;
 113                         case 2:
 114                                 total_hosts_unreachable++;
 115                                 break;
 116                         default:
 117                                 break;
 118                         }
 119                 }
 120         }
 121
 122
 123         /* return the status of the cluster */
 124         if(check_type==CHECK_SERVICES){
 125                 return_code=get_status(total_services_warning+total_services_unknown+total_services_critical, thresholds);
 126                 printf("CLUSTER %s: %s: %d ok, %d warning, %d unknown, %d critical\n",
 127                         state_text(return_code), (label==NULL)?"Service cluster":label,
 128                         total_services_ok,total_services_warning,
 129                         total_services_unknown,total_services_critical);
 130         }
 131         else{
 132                 return_code=get_status(total_hosts_down+total_hosts_unreachable, thresholds);
 133                 printf("CLUSTER %s: %s: %d up, %d down, %d unreachable\n",
 134                         state_text(return_code), (label==NULL)?"Host cluster":label,
 135                         total_hosts_up,total_hosts_down,total_hosts_unreachable);
 136         }
 137
 138         return return_code;
 139 }
 140
 141
 142
 143 int process_arguments(int argc, char **argv){
 144         int c;
 145         int option=0;
 146         static struct option longopts[]={
 147                 {"data",     required_argument,0,'d'},
 148                 {"warning",  required_argument,0,'w'},
 149                 {"critical", required_argument,0,'c'},
 150                 {"label",    required_argument,0,'l'},
 151                 {"host",     no_argument,      0,'h'},
 152                 {"service",  no_argument,      0,'s'},
 153                 {"verbose",  no_argument,      0,'v'},
 154                 {"version",  no_argument,      0,'V'},
 155                 {"help",     no_argument,      0,'H'},
 156                 {0,0,0,0}
 157         };
 158
 159         /* no options were supplied */
 160         if(argc<2)
 161                 return ERROR;
 162
 163         while(1){
 164
 165                 c=getopt_long(argc,argv,"hHsvVw:c:d:l:",longopts,&option);
 166
 167                 if(c==-1 || c==EOF || c==1)
 168                         break;
 169
 170                 switch(c){
 171
 172                 case 'h': /* host cluster */
 173                         check_type=CHECK_HOSTS;
 174                         break;
 175
 176                 case 's': /* service cluster */
 177                         check_type=CHECK_SERVICES;
 178                         break;
 179
 180                 case 'w': /* warning threshold */
 181                         warn_threshold = strdup(optarg);
 182                         break;
 183
 184                 case 'c': /* warning threshold */
 185                         crit_threshold = strdup(optarg);
 186                         break;
 187
 188                 case 'd': /* data values */
 189                         data_vals=(char *)strdup(optarg);
 190                         break;
 191
 192                 case 'l': /* text label */
 193                         label=(char *)strdup(optarg);
 194                         break;
 195
 196                 case 'v': /* verbose */
 197                         verbose++;
 198                         break;
 199
 200                 case 'V': /* version */
 201                         print_revision (progname, revision);
 202                         exit (STATE_OK);
 203                         break;
 204
 205                 case 'H': /* help */
 206                         print_help();
 207                         exit(STATE_UNKNOWN);
 208                         break;
 209
 210                 default:
 211                         return ERROR;
 212                         break;
 213                 }
 214         }
 215
 216         if(data_vals==NULL)
 217                 return ERROR;
 218
 219         return OK;
 220 }
 221
 222 void
 223 print_help(void)
 224 {
 225         print_revision(progname, revision);
 226         printf ("Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org)\n");
 227         printf(COPYRIGHT, copyright, email);
 228
 229         printf(_("Host/Service Cluster Plugin for Nagios 2"));
 230         printf("\n\n");
 231
 232         print_usage();
 233
 234         printf("\n");
 235         printf("%s\n", _("Options:"));
 236         printf (" %s\n", "-s, --service");
 237         printf ("    %s\n", _("Check service cluster status"));
 238         printf (" %s\n", "-h, --host");
 239         printf ("    %s\n", _("Check host cluster status"));
 240         printf (" %s\n", "-l, --label=STRING");
 241         printf ("    %s\n", _("Optional prepended text output (i.e. \"Host cluster\")"));
 242         printf (" %s\n", "-w, --warning=THRESHOLD");
 243         printf ("    %s\n", _("Specifies the range of hosts or services in cluster that must be in a"));
 244         printf ("    %s\n", _("non-OK state in order to return a WARNING status level"));
 245         printf (" %s\n", "-c, --critical=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 CRITICAL status level"));
 248         printf (" %s\n", "-d, --data=LIST");
 249         printf ("    %s\n", _("The status codes of the hosts or services in the cluster, separated by"));
 250         printf ("    %s\n", _("commas"));
 251
 252         printf(_(UT_VERBOSE));
 253
 254         printf("\n");
 255         printf("%s\n", _("Notes:"));
 256         printf(" %s\n", _("See:"));
 257         printf(" %s\n", ("http://nagiosplug.sourceforge.net/developer-guidelines.html#THRESHOLDFORMAT"));
 258         printf(" %s\n", _("for THRESHOLD format and examples."));
 259
 260         printf(_(UT_SUPPORT));
 261         printf("\n");
 262 }
 263
 264
 265 void
 266 print_usage(void)
 267 {
 268
 269         printf(_("Usage:"));
 270         printf(" %s (-s | -h) -d val1[,val2,...,valn] [-l label]\n", progname);
 271         printf("[-w threshold] [-c threshold] [-v] [--help]\n");
 272
 273 }
 274