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 * This program is free software: you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License as published by
  11 * the Free Software Foundation, either version 3 of the License, or
  12 * (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 *
  22 *
  23 *****************************************************************************/
  24
  25 const char *progname = "check_cluster";
  26 const char *copyright = "2000-2007";
  27 const char *email = "devel@nagios-plugins.org";
  28
  29 #include "common.h"
  30 #include "utils.h"
  31 #include "utils_base.h"
  32
  33 #define CHECK_SERVICES  1
  34 #define CHECK_HOSTS     2
  35
  36 void print_help (void);
  37 void print_usage (void);
  38
  39 int total_services_ok=0;
  40 int total_services_warning=0;
  41 int total_services_unknown=0;
  42 int total_services_critical=0;
  43
  44 int total_hosts_up=0;
  45 int total_hosts_down=0;
  46 int total_hosts_unreachable=0;
  47
  48 char *warn_threshold;
  49 char *crit_threshold;
  50
  51 int check_type=CHECK_SERVICES;
  52
  53 char *data_vals=NULL;
  54 char *label=NULL;
  55
  56 int verbose=0;
  57
  58 int process_arguments(int,char **);
  59
  60
  61
  62 int main(int argc, char **argv){
  63         char *ptr;
  64         int data_val;
  65         int return_code=STATE_OK;
  66         thresholds *thresholds = NULL;
  67
  68         setlocale (LC_ALL, "");
  69         bindtextdomain (PACKAGE, LOCALEDIR);
  70         textdomain (PACKAGE);
  71
  72         /* Parse extra opts if any */
  73         argv=np_extra_opts(&argc, argv, progname);
  74
  75         if(process_arguments(argc,argv)==ERROR)
  76                 usage(_("Could not parse arguments"));
  77
  78         /* Initialize the thresholds */
  79         set_thresholds(&thresholds, warn_threshold, crit_threshold);
  80         if(verbose)
  81                 print_thresholds("check_cluster", thresholds);
  82
  83         /* check the data values */
  84         for(ptr=strtok(data_vals,",");ptr!=NULL;ptr=strtok(NULL,",")){
  85
  86                 data_val=atoi(ptr);
  87
  88                 if(check_type==CHECK_SERVICES){
  89                         switch(data_val){
  90                         case 0:
  91                                 total_services_ok++;
  92                                 break;
  93                         case 1:
  94                                 total_services_warning++;
  95                                 break;
  96                         case 2:
  97                                 total_services_critical++;
  98                                 break;
  99                         case 3:
 100                                 total_services_unknown++;
 101                                 break;
 102                         default:
 103                                 break;
 104                         }
 105                 }
 106                 else{
 107                         switch(data_val){
 108                         case 0:
 109                                 total_hosts_up++;
 110                                 break;
 111                         case 1:
 112                                 total_hosts_down++;
 113                                 break;
 114                         case 2:
 115                                 total_hosts_unreachable++;
 116                                 break;
 117                         default:
 118                                 break;
 119                         }
 120                 }
 121         }
 122
 123
 124         /* return the status of the cluster */
 125         if(check_type==CHECK_SERVICES){
 126                 return_code=get_status(total_services_warning+total_services_unknown+total_services_critical, thresholds);
 127                 printf("CLUSTER %s: %s: %d ok, %d warning, %d unknown, %d critical\n",
 128                         state_text(return_code), (label==NULL)?"Service cluster":label,
 129                         total_services_ok,total_services_warning,
 130                         total_services_unknown,total_services_critical);
 131         }
 132         else{
 133                 return_code=get_status(total_hosts_down+total_hosts_unreachable, thresholds);
 134                 printf("CLUSTER %s: %s: %d up, %d down, %d unreachable\n",
 135                         state_text(return_code), (label==NULL)?"Host cluster":label,
 136                         total_hosts_up,total_hosts_down,total_hosts_unreachable);
 137         }
 138
 139         return return_code;
 140 }
 141
 142
 143
 144 int process_arguments(int argc, char **argv){
 145         int c;
 146         int option=0;
 147         static struct option longopts[]={
 148                 {"data",     required_argument,0,'d'},
 149                 {"warning",  required_argument,0,'w'},
 150                 {"critical", required_argument,0,'c'},
 151                 {"label",    required_argument,0,'l'},
 152                 {"host",     no_argument,      0,'h'},
 153                 {"service",  no_argument,      0,'s'},
 154                 {"verbose",  no_argument,      0,'v'},
 155                 {"version",  no_argument,      0,'V'},
 156                 {"help",     no_argument,      0,'H'},
 157                 {0,0,0,0}
 158         };
 159
 160         /* no options were supplied */
 161         if(argc<2)
 162                 return ERROR;
 163
 164         while(1){
 165
 166                 c=getopt_long(argc,argv,"hHsvVw:c:d:l:",longopts,&option);
 167
 168                 if(c==-1 || c==EOF || c==1)
 169                         break;
 170
 171                 switch(c){
 172
 173                 case 'h': /* host cluster */
 174                         check_type=CHECK_HOSTS;
 175                         break;
 176
 177                 case 's': /* service cluster */
 178                         check_type=CHECK_SERVICES;
 179                         break;
 180
 181                 case 'w': /* warning threshold */
 182                         warn_threshold = strdup(optarg);
 183                         break;
 184
 185                 case 'c': /* warning threshold */
 186                         crit_threshold = strdup(optarg);
 187                         break;
 188
 189                 case 'd': /* data values */
 190                         data_vals=(char *)strdup(optarg);
 191                         break;
 192
 193                 case 'l': /* text label */
 194                         label=(char *)strdup(optarg);
 195                         break;
 196
 197                 case 'v': /* verbose */
 198                         verbose++;
 199                         break;
 200
 201                 case 'V': /* version */
 202                         print_revision (progname, NP_VERSION);
 203                         exit (STATE_OK);
 204                         break;
 205
 206                 case 'H': /* help */
 207                         print_help();
 208                         exit(STATE_UNKNOWN);
 209                         break;
 210
 211                 default:
 212                         return ERROR;
 213                         break;
 214                 }
 215         }
 216
 217         if(data_vals==NULL)
 218                 return ERROR;
 219
 220         return OK;
 221 }
 222
 223 void
 224 print_help(void)
 225 {
 226         print_revision(progname, NP_VERSION);
 227         printf ("Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org)\n");
 228         printf(COPYRIGHT, copyright, email);
 229
 230         printf(_("Host/Service Cluster Plugin for Nagios 2"));
 231         printf("\n\n");
 232
 233         print_usage();
 234
 235         printf("\n");
 236         printf("%s\n", _("Options:"));
 237         printf(UT_EXTRA_OPTS);
 238         printf (" %s\n", "-s, --service");
 239         printf ("    %s\n", _("Check service cluster status"));
 240         printf (" %s\n", "-h, --host");
 241         printf ("    %s\n", _("Check host cluster status"));
 242         printf (" %s\n", "-l, --label=STRING");
 243         printf ("    %s\n", _("Optional prepended text output (i.e. \"Host cluster\")"));
 244         printf (" %s\n", "-w, --warning=THRESHOLD");
 245         printf ("    %s\n", _("Specifies the range of hosts or services in cluster that must be in a"));
 246         printf ("    %s\n", _("non-OK state in order to return a WARNING status level"));
 247         printf (" %s\n", "-c, --critical=THRESHOLD");
 248         printf ("    %s\n", _("Specifies the range of hosts or services in cluster that must be in a"));
 249         printf ("    %s\n", _("non-OK state in order to return a CRITICAL status level"));
 250         printf (" %s\n", "-d, --data=LIST");
 251         printf ("    %s\n", _("The status codes of the hosts or services in the cluster, separated by"));
 252         printf ("    %s\n", _("commas"));
 253
 254         printf(UT_VERBOSE);
 255
 256         printf("\n");
 257         printf("%s\n", _("Notes:"));
 258         printf(UT_THRESHOLDS_NOTES);
 259
 260         printf ("\n");
 261         printf ("%s\n", _("Examples:"));
 262         printf (" %s\n", "check_cluster -s -d 2,0,2,0 -c @3:");
 263         printf ("    %s\n", _("Will alert critical if there are 3 or more service data points in a non-OK") );
 264         printf ("    %s\n", _("state.") );
 265
 266         printf(UT_SUPPORT);
 267 }
 268
 269
 270 void
 271 print_usage(void)
 272 {
 273
 274         printf("%s\n", _("Usage:"));
 275         printf(" %s (-s | -h) -d val1[,val2,...,valn] [-l label]\n", progname);
 276         printf("[-w threshold] [-c threshold] [-v] [--help]\n");
 277
 278 }
 279