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authorKen D <kdobbins@op5.com>2017-06-19 14:06:05 -0500
committerLorenz Kästle <lorenz.kaestle@netways.de>2022-01-14 15:52:00 +0100
commita1f328900049852d9a2b4c810c28b49e2101e337 (patch)
tree85bec8949261a4e8dccc027e10546052272bb8f8 /plugins/check_snmp.c
parent9899bc736f45400fa70bdee281f5f5b46490b805 (diff)
downloadmonitoring-plugins-a1f328900049852d9a2b4c810c28b49e2101e337.tar.gz
Added option for null zero length string exit codes
When using a large distributed network with the same group of checks used against a large number of devices, occationally there are missing cards in a few devices that are present in other devices. Rather than having a large number of unknown results, disable active checking on those large number of result or having to create a unique check configuration for those devices. This option allows you to select an OK, WARNING, CRITICAL or UNKNOWN status while still retaining the default behavior when not present. This also allows a for the check to immediately start checks as intended should the hardware be added that the check is looking for.
Diffstat (limited to 'plugins/check_snmp.c')
-rw-r--r--plugins/check_snmp.c30
1 files changed, 27 insertions, 3 deletions
diff --git a/plugins/check_snmp.c b/plugins/check_snmp.c
index abe54cfb..66d761c6 100644
--- a/plugins/check_snmp.c
+++ b/plugins/check_snmp.c
@@ -113,6 +113,7 @@ char *authproto = NULL;
113char *privproto = NULL; 113char *privproto = NULL;
114char *authpasswd = NULL; 114char *authpasswd = NULL;
115char *privpasswd = NULL; 115char *privpasswd = NULL;
116int nulloid = 3;
116char **oids = NULL; 117char **oids = NULL;
117size_t oids_size = 0; 118size_t oids_size = 0;
118char *label; 119char *label;
@@ -472,8 +473,16 @@ main (int argc, char **argv)
472 print_thresholds(" thresholds", thlds[i]); 473 print_thresholds(" thresholds", thlds[i]);
473 } 474 }
474 ptr = strpbrk (show, "-0123456789"); 475 ptr = strpbrk (show, "-0123456789");
475 if (ptr == NULL) 476 if (ptr == NULL){
476 die (STATE_UNKNOWN,_("No valid data returned (%s)\n"), show); 477 if (nulloid == 3)
478 die (STATE_UNKNOWN,_("No valid data returned (%s)\n"), show);
479 else if (nulloid == 0)
480 die (STATE_OK,_("No valid data returned (%s)\n"), show);
481 else if (nulloid == 1)
482 die (STATE_WARNING,_("No valid data returned (%s)\n"), show);
483 else if (nulloid == 2)
484 die (STATE_CRITICAL,_("No valid data returned (%s)\n"), show);
485 }
477 while (i >= response_size) { 486 while (i >= response_size) {
478 response_size += OID_COUNT_STEP; 487 response_size += OID_COUNT_STEP;
479 response_value = realloc(response_value, response_size * sizeof(*response_value)); 488 response_value = realloc(response_value, response_size * sizeof(*response_value));
@@ -661,6 +670,7 @@ process_arguments (int argc, char **argv)
661 {"oid", required_argument, 0, 'o'}, 670 {"oid", required_argument, 0, 'o'},
662 {"object", required_argument, 0, 'o'}, 671 {"object", required_argument, 0, 'o'},
663 {"delimiter", required_argument, 0, 'd'}, 672 {"delimiter", required_argument, 0, 'd'},
673 {"nulloid", required_argument, 0, 'z'},
664 {"output-delimiter", required_argument, 0, 'D'}, 674 {"output-delimiter", required_argument, 0, 'D'},
665 {"string", required_argument, 0, 's'}, 675 {"string", required_argument, 0, 's'},
666 {"timeout", required_argument, 0, 't'}, 676 {"timeout", required_argument, 0, 't'},
@@ -705,7 +715,7 @@ process_arguments (int argc, char **argv)
705 } 715 }
706 716
707 while (1) { 717 while (1) {
708 c = getopt_long (argc, argv, "nhvVO46t:c:w:H:C:o:e:E:d:D:s:t:R:r:l:u:p:m:P:N:L:U:a:x:A:X:", 718 c = getopt_long (argc, argv, "nhvVO46t:c:w:H:C:o:e:E:d:D:s:t:R:r:l:u:p:m:P:N:L:U:a:x:A:X:z:",
709 longopts, &option); 719 longopts, &option);
710 720
711 if (c == -1 || c == EOF) 721 if (c == -1 || c == EOF)
@@ -816,6 +826,12 @@ process_arguments (int argc, char **argv)
816 eval_method[j+1] |= CRIT_PRESENT; 826 eval_method[j+1] |= CRIT_PRESENT;
817 } 827 }
818 break; 828 break;
829 case 'z': /* Null OID Return Check */
830 if (!is_integer (optarg))
831 usage2 (_("Exit status must be a positive integer"), optarg);
832 else
833 nulloid = atoi(optarg);
834 break;
819 case 's': /* string or substring */ 835 case 's': /* string or substring */
820 strncpy (string_value, optarg, sizeof (string_value) - 1); 836 strncpy (string_value, optarg, sizeof (string_value) - 1);
821 string_value[sizeof (string_value) - 1] = 0; 837 string_value[sizeof (string_value) - 1] = 0;
@@ -1181,6 +1197,14 @@ print_help (void)
1181 printf (" %s \"%s\"\n", _("Delimiter to use when parsing returned data. Default is"), DEFAULT_DELIMITER); 1197 printf (" %s \"%s\"\n", _("Delimiter to use when parsing returned data. Default is"), DEFAULT_DELIMITER);
1182 printf (" %s\n", _("Any data on the right hand side of the delimiter is considered")); 1198 printf (" %s\n", _("Any data on the right hand side of the delimiter is considered"));
1183 printf (" %s\n", _("to be the data that should be used in the evaluation.")); 1199 printf (" %s\n", _("to be the data that should be used in the evaluation."));
1200 printf (" %s\n", "-z, --nulloid=#");
1201 printf (" %s\n", _("If the check returns a 0 length string or NULL value"));
1202 printf (" %s\n", _("This option allows you to choose what status you want it to exit"));
1203 printf (" %s\n", _("Excluding this option renders the default exit of 3(STATE_UNKNOWN)"));
1204 printf (" %s\n", _("0 = OK"));
1205 printf (" %s\n", _("1 = WARNING"));
1206 printf (" %s\n", _("2 = CRITICAL"));
1207 printf (" %s\n", _("3 = UNKNOWN"));
1184 1208
1185 /* Tests Against Integers */ 1209 /* Tests Against Integers */
1186 printf (" %s\n", "-w, --warning=THRESHOLD(s)"); 1210 printf (" %s\n", "-w, --warning=THRESHOLD(s)");