diff options
Diffstat (limited to 'plugins/check_mrtg.c')
| -rw-r--r-- | plugins/check_mrtg.c | 177 |
1 files changed, 130 insertions, 47 deletions
diff --git a/plugins/check_mrtg.c b/plugins/check_mrtg.c index 5bd276dc..cdc2a035 100644 --- a/plugins/check_mrtg.c +++ b/plugins/check_mrtg.c | |||
| @@ -29,14 +29,18 @@ | |||
| 29 | * | 29 | * |
| 30 | *****************************************************************************/ | 30 | *****************************************************************************/ |
| 31 | 31 | ||
| 32 | const char *progname = "check_mrtg"; | ||
| 33 | const char *copyright = "1999-2024"; | ||
| 34 | const char *email = "devel@monitoring-plugins.org"; | ||
| 35 | |||
| 36 | #include "common.h" | 32 | #include "common.h" |
| 33 | #include "output.h" | ||
| 34 | #include "perfdata.h" | ||
| 35 | #include "states.h" | ||
| 36 | #include "thresholds.h" | ||
| 37 | #include "utils.h" | 37 | #include "utils.h" |
| 38 | #include "check_mrtg.d/config.h" | 38 | #include "check_mrtg.d/config.h" |
| 39 | 39 | ||
| 40 | const char *progname = "check_mrtg"; | ||
| 41 | const char *copyright = "1999-2024"; | ||
| 42 | const char *email = "devel@monitoring-plugins.org"; | ||
| 43 | |||
| 40 | typedef struct { | 44 | typedef struct { |
| 41 | int errorcode; | 45 | int errorcode; |
| 42 | check_mrtg_config config; | 46 | check_mrtg_config config; |
| @@ -62,11 +66,24 @@ int main(int argc, char **argv) { | |||
| 62 | 66 | ||
| 63 | const check_mrtg_config config = tmp_config.config; | 67 | const check_mrtg_config config = tmp_config.config; |
| 64 | 68 | ||
| 69 | if (config.output_format_is_set) { | ||
| 70 | mp_set_format(config.output_format); | ||
| 71 | } | ||
| 72 | |||
| 73 | mp_check overall = mp_check_init(); | ||
| 74 | |||
| 65 | /* open the MRTG log file for reading */ | 75 | /* open the MRTG log file for reading */ |
| 76 | mp_subcheck sc_open_mrtg_log_file = mp_subcheck_init(); | ||
| 66 | FILE *mtrg_log_file = fopen(config.log_file, "r"); | 77 | FILE *mtrg_log_file = fopen(config.log_file, "r"); |
| 67 | if (mtrg_log_file == NULL) { | 78 | if (mtrg_log_file == NULL) { |
| 68 | printf(_("Unable to open MRTG log file\n")); | 79 | xasprintf(&sc_open_mrtg_log_file.output, "unable to open MRTG log file"); |
| 69 | return STATE_UNKNOWN; | 80 | sc_open_mrtg_log_file = mp_set_subcheck_state(sc_open_mrtg_log_file, STATE_UNKNOWN); |
| 81 | mp_add_subcheck_to_check(&overall, sc_open_mrtg_log_file); | ||
| 82 | mp_exit(overall); | ||
| 83 | } else { | ||
| 84 | xasprintf(&sc_open_mrtg_log_file.output, "opened MRTG log file"); | ||
| 85 | sc_open_mrtg_log_file = mp_set_subcheck_state(sc_open_mrtg_log_file, STATE_OK); | ||
| 86 | mp_add_subcheck_to_check(&overall, sc_open_mrtg_log_file); | ||
| 70 | } | 87 | } |
| 71 | 88 | ||
| 72 | time_t timestamp = 0; | 89 | time_t timestamp = 0; |
| @@ -120,17 +137,32 @@ int main(int argc, char **argv) { | |||
| 120 | fclose(mtrg_log_file); | 137 | fclose(mtrg_log_file); |
| 121 | 138 | ||
| 122 | /* if we couldn't read enough data, return an unknown error */ | 139 | /* if we couldn't read enough data, return an unknown error */ |
| 140 | mp_subcheck sc_process_mrtg_log_file = mp_subcheck_init(); | ||
| 123 | if (line <= 2) { | 141 | if (line <= 2) { |
| 124 | printf(_("Unable to process MRTG log file\n")); | 142 | xasprintf(&sc_process_mrtg_log_file.output, "unable to process MRTG log file"); |
| 125 | return STATE_UNKNOWN; | 143 | sc_process_mrtg_log_file = mp_set_subcheck_state(sc_process_mrtg_log_file, STATE_UNKNOWN); |
| 144 | mp_exit(overall); | ||
| 145 | } else { | ||
| 146 | xasprintf(&sc_process_mrtg_log_file.output, "processed MRTG log file"); | ||
| 147 | sc_process_mrtg_log_file = mp_set_subcheck_state(sc_process_mrtg_log_file, STATE_OK); | ||
| 148 | mp_add_subcheck_to_check(&overall, sc_process_mrtg_log_file); | ||
| 126 | } | 149 | } |
| 127 | 150 | ||
| 128 | /* make sure the MRTG data isn't too old */ | 151 | /* make sure the MRTG data isn't too old */ |
| 129 | time_t current_time; | 152 | time_t current_time; |
| 130 | time(¤t_time); | 153 | time(¤t_time); |
| 154 | mp_subcheck sc_data_expired = mp_subcheck_init(); | ||
| 131 | if (config.expire_minutes > 0 && (current_time - timestamp) > (config.expire_minutes * 60)) { | 155 | if (config.expire_minutes > 0 && (current_time - timestamp) > (config.expire_minutes * 60)) { |
| 132 | printf(_("MRTG data has expired (%d minutes old)\n"), (int)((current_time - timestamp) / 60)); | 156 | xasprintf(&sc_data_expired.output, "MRTG data has expired (%d minutes old)", |
| 133 | return STATE_WARNING; | 157 | (int)((current_time - timestamp) / 60)); |
| 158 | sc_data_expired = mp_set_subcheck_state(sc_data_expired, STATE_WARNING); | ||
| 159 | mp_add_subcheck_to_check(&overall, sc_data_expired); | ||
| 160 | mp_exit(overall); | ||
| 161 | } else { | ||
| 162 | xasprintf(&sc_data_expired.output, "MRTG data should be valid (%d minutes old)", | ||
| 163 | (int)((current_time - timestamp) / 60)); | ||
| 164 | sc_data_expired = mp_set_subcheck_state(sc_data_expired, STATE_OK); | ||
| 165 | mp_add_subcheck_to_check(&overall, sc_data_expired); | ||
| 134 | } | 166 | } |
| 135 | 167 | ||
| 136 | unsigned long rate = 0L; | 168 | unsigned long rate = 0L; |
| @@ -141,27 +173,40 @@ int main(int argc, char **argv) { | |||
| 141 | rate = maximum_value_rate; | 173 | rate = maximum_value_rate; |
| 142 | } | 174 | } |
| 143 | 175 | ||
| 144 | int result = STATE_OK; | 176 | mp_subcheck sc_values = mp_subcheck_init(); |
| 145 | if (config.value_critical_threshold_set && rate > config.value_critical_threshold) { | 177 | mp_perfdata pd_value = perfdata_init(); |
| 146 | result = STATE_CRITICAL; | 178 | pd_value = mp_set_pd_value(pd_value, rate); |
| 147 | } else if (config.value_warning_threshold_set && rate > config.value_warning_threshold) { | 179 | pd_value.label = config.label; |
| 148 | result = STATE_WARNING; | 180 | pd_value = mp_pd_set_thresholds(pd_value, config.values_threshold); |
| 149 | } | ||
| 150 | 181 | ||
| 151 | printf("%s. %s = %lu %s|%s\n", (config.use_average) ? _("Avg") : _("Max"), config.label, rate, config.units, | 182 | sc_values = mp_set_subcheck_state(sc_values, mp_get_pd_status(pd_value)); |
| 152 | perfdata(config.label, (long)rate, config.units, config.value_warning_threshold_set, (long)config.value_warning_threshold, | 183 | xasprintf(&sc_values.output, "%s. %s = %lu %s", (config.use_average) ? _("Avg") : _("Max"), |
| 153 | config.value_critical_threshold_set, (long)config.value_critical_threshold, 0, 0, 0, 0)); | 184 | config.label, rate, config.units); |
| 154 | 185 | ||
| 155 | return result; | 186 | mp_add_subcheck_to_check(&overall, sc_values); |
| 187 | |||
| 188 | mp_exit(overall); | ||
| 156 | } | 189 | } |
| 157 | 190 | ||
| 158 | /* process command-line arguments */ | 191 | /* process command-line arguments */ |
| 159 | check_mrtg_config_wrapper process_arguments(int argc, char **argv) { | 192 | check_mrtg_config_wrapper process_arguments(int argc, char **argv) { |
| 160 | static struct option longopts[] = { | 193 | enum { |
| 161 | {"logfile", required_argument, 0, 'F'}, {"expires", required_argument, 0, 'e'}, {"aggregation", required_argument, 0, 'a'}, | 194 | output_format_index, |
| 162 | {"variable", required_argument, 0, 'v'}, {"critical", required_argument, 0, 'c'}, {"warning", required_argument, 0, 'w'}, | 195 | }; |
| 163 | {"label", required_argument, 0, 'l'}, {"units", required_argument, 0, 'u'}, {"variable", required_argument, 0, 'v'}, | 196 | |
| 164 | {"version", no_argument, 0, 'V'}, {"help", no_argument, 0, 'h'}, {0, 0, 0, 0}}; | 197 | static struct option longopts[] = {{"logfile", required_argument, 0, 'F'}, |
| 198 | {"expires", required_argument, 0, 'e'}, | ||
| 199 | {"aggregation", required_argument, 0, 'a'}, | ||
| 200 | {"variable", required_argument, 0, 'v'}, | ||
| 201 | {"critical", required_argument, 0, 'c'}, | ||
| 202 | {"warning", required_argument, 0, 'w'}, | ||
| 203 | {"label", required_argument, 0, 'l'}, | ||
| 204 | {"units", required_argument, 0, 'u'}, | ||
| 205 | {"variable", required_argument, 0, 'v'}, | ||
| 206 | {"version", no_argument, 0, 'V'}, | ||
| 207 | {"help", no_argument, 0, 'h'}, | ||
| 208 | {"output-format", required_argument, 0, output_format_index}, | ||
| 209 | {0, 0, 0, 0}}; | ||
| 165 | 210 | ||
| 166 | check_mrtg_config_wrapper result = { | 211 | check_mrtg_config_wrapper result = { |
| 167 | .errorcode = OK, | 212 | .errorcode = OK, |
| @@ -208,14 +253,22 @@ check_mrtg_config_wrapper process_arguments(int argc, char **argv) { | |||
| 208 | usage4(_("Invalid variable number")); | 253 | usage4(_("Invalid variable number")); |
| 209 | } | 254 | } |
| 210 | break; | 255 | break; |
| 211 | case 'w': /* critical time threshold */ | 256 | case 'w': /* critical time threshold */ { |
| 212 | result.config.value_warning_threshold_set = true; | 257 | mp_range_parsed tmp = mp_parse_range_string(optarg); |
| 213 | result.config.value_warning_threshold = strtoul(optarg, NULL, 10); | 258 | if (tmp.error != MP_PARSING_SUCCES) { |
| 214 | break; | 259 | die(STATE_UNKNOWN, "failed to parse warning threshold"); |
| 215 | case 'c': /* warning time threshold */ | 260 | } |
| 216 | result.config.value_critical_threshold_set = true; | 261 | result.config.values_threshold = |
| 217 | result.config.value_critical_threshold = strtoul(optarg, NULL, 10); | 262 | mp_thresholds_set_warn(result.config.values_threshold, tmp.range); |
| 218 | break; | 263 | } break; |
| 264 | case 'c': /* warning time threshold */ { | ||
| 265 | mp_range_parsed tmp = mp_parse_range_string(optarg); | ||
| 266 | if (tmp.error != MP_PARSING_SUCCES) { | ||
| 267 | die(STATE_UNKNOWN, "failed to parse critical threshold"); | ||
| 268 | } | ||
| 269 | result.config.values_threshold = | ||
| 270 | mp_thresholds_set_crit(result.config.values_threshold, tmp.range); | ||
| 271 | } break; | ||
| 219 | case 'l': /* label */ | 272 | case 'l': /* label */ |
| 220 | result.config.label = optarg; | 273 | result.config.label = optarg; |
| 221 | break; | 274 | break; |
| @@ -230,6 +283,17 @@ check_mrtg_config_wrapper process_arguments(int argc, char **argv) { | |||
| 230 | exit(STATE_UNKNOWN); | 283 | exit(STATE_UNKNOWN); |
| 231 | case '?': /* help */ | 284 | case '?': /* help */ |
| 232 | usage5(); | 285 | usage5(); |
| 286 | case output_format_index: { | ||
| 287 | parsed_output_format parser = mp_parse_output_format(optarg); | ||
| 288 | if (!parser.parsing_success) { | ||
| 289 | printf("Invalid output format: %s\n", optarg); | ||
| 290 | exit(STATE_UNKNOWN); | ||
| 291 | } | ||
| 292 | |||
| 293 | result.config.output_format_is_set = true; | ||
| 294 | result.config.output_format = parser.output_format; | ||
| 295 | break; | ||
| 296 | } | ||
| 233 | } | 297 | } |
| 234 | } | 298 | } |
| 235 | 299 | ||
| @@ -242,7 +306,9 @@ check_mrtg_config_wrapper process_arguments(int argc, char **argv) { | |||
| 242 | if (is_intpos(argv[option_char])) { | 306 | if (is_intpos(argv[option_char])) { |
| 243 | result.config.expire_minutes = atoi(argv[option_char++]); | 307 | result.config.expire_minutes = atoi(argv[option_char++]); |
| 244 | } else { | 308 | } else { |
| 245 | die(STATE_UNKNOWN, _("%s is not a valid expiration time\nUse '%s -h' for additional help\n"), argv[option_char], progname); | 309 | die(STATE_UNKNOWN, |
| 310 | _("%s is not a valid expiration time\nUse '%s -h' for additional help\n"), | ||
| 311 | argv[option_char], progname); | ||
| 246 | } | 312 | } |
| 247 | } | 313 | } |
| 248 | 314 | ||
| @@ -262,14 +328,22 @@ check_mrtg_config_wrapper process_arguments(int argc, char **argv) { | |||
| 262 | } | 328 | } |
| 263 | } | 329 | } |
| 264 | 330 | ||
| 265 | if (argc > option_char && !result.config.value_warning_threshold_set) { | 331 | if (argc > option_char && !result.config.values_threshold.warning_is_set) { |
| 266 | result.config.value_warning_threshold_set = true; | 332 | mp_range_parsed tmp = mp_parse_range_string(argv[option_char++]); |
| 267 | result.config.value_warning_threshold = strtoul(argv[option_char++], NULL, 10); | 333 | if (tmp.error != MP_PARSING_SUCCES) { |
| 334 | die(STATE_UNKNOWN, "failed to parse warning threshold"); | ||
| 335 | } | ||
| 336 | result.config.values_threshold = | ||
| 337 | mp_thresholds_set_warn(result.config.values_threshold, tmp.range); | ||
| 268 | } | 338 | } |
| 269 | 339 | ||
| 270 | if (argc > option_char && !result.config.value_critical_threshold_set) { | 340 | if (argc > option_char && !result.config.values_threshold.critical_is_set) { |
| 271 | result.config.value_critical_threshold_set = true; | 341 | mp_range_parsed tmp = mp_parse_range_string(argv[option_char++]); |
| 272 | result.config.value_critical_threshold = strtoul(argv[option_char++], NULL, 10); | 342 | if (tmp.error != MP_PARSING_SUCCES) { |
| 343 | die(STATE_UNKNOWN, "failed to parse critical threshold"); | ||
| 344 | } | ||
| 345 | result.config.values_threshold = | ||
| 346 | mp_thresholds_set_crit(result.config.values_threshold, tmp.range); | ||
| 273 | } | 347 | } |
| 274 | 348 | ||
| 275 | if (argc > option_char && strlen(result.config.label) == 0) { | 349 | if (argc > option_char && strlen(result.config.label) == 0) { |
| @@ -333,26 +407,35 @@ void print_help(void) { | |||
| 333 | printf(" %s\n", _("Option units label for data (Example: Packets/Sec, Errors/Sec,")); | 407 | printf(" %s\n", _("Option units label for data (Example: Packets/Sec, Errors/Sec,")); |
| 334 | printf(" %s\n", _("\"Bytes Per Second\", \"%% Utilization\")")); | 408 | printf(" %s\n", _("\"Bytes Per Second\", \"%% Utilization\")")); |
| 335 | 409 | ||
| 410 | printf(UT_OUTPUT_FORMAT); | ||
| 411 | |||
| 336 | printf("\n"); | 412 | printf("\n"); |
| 337 | printf(" %s\n", _("If the value exceeds the <vwl> threshold, a WARNING status is returned. If")); | 413 | printf(" %s\n", |
| 414 | _("If the value exceeds the <vwl> threshold, a WARNING status is returned. If")); | ||
| 338 | printf(" %s\n", _("the value exceeds the <vcl> threshold, a CRITICAL status is returned. If")); | 415 | printf(" %s\n", _("the value exceeds the <vcl> threshold, a CRITICAL status is returned. If")); |
| 339 | printf(" %s\n", _("the data in the log file is older than <expire_minutes> old, a WARNING")); | 416 | printf(" %s\n", _("the data in the log file is older than <expire_minutes> old, a WARNING")); |
| 340 | printf(" %s\n", _("status is returned and a warning message is printed.")); | 417 | printf(" %s\n", _("status is returned and a warning message is printed.")); |
| 341 | 418 | ||
| 342 | printf("\n"); | 419 | printf("\n"); |
| 343 | printf(" %s\n", _("This plugin is useful for monitoring MRTG data that does not correspond to")); | 420 | printf(" %s\n", |
| 344 | printf(" %s\n", _("bandwidth usage. (Use the check_mrtgtraf plugin for monitoring bandwidth).")); | 421 | _("This plugin is useful for monitoring MRTG data that does not correspond to")); |
| 345 | printf(" %s\n", _("It can be used to monitor any kind of data that MRTG is monitoring - errors,")); | 422 | printf(" %s\n", |
| 346 | printf(" %s\n", _("packets/sec, etc. I use MRTG in conjunction with the Novell NLM that allows")); | 423 | _("bandwidth usage. (Use the check_mrtgtraf plugin for monitoring bandwidth).")); |
| 424 | printf(" %s\n", | ||
| 425 | _("It can be used to monitor any kind of data that MRTG is monitoring - errors,")); | ||
| 426 | printf(" %s\n", | ||
| 427 | _("packets/sec, etc. I use MRTG in conjunction with the Novell NLM that allows")); | ||
| 347 | printf(" %s\n", _("me to track processor utilization, user connections, drive space, etc and")); | 428 | printf(" %s\n", _("me to track processor utilization, user connections, drive space, etc and")); |
| 348 | printf(" %s\n\n", _("this plugin works well for monitoring that kind of data as well.")); | 429 | printf(" %s\n\n", _("this plugin works well for monitoring that kind of data as well.")); |
| 349 | 430 | ||
| 350 | printf("%s\n", _("Notes:")); | 431 | printf("%s\n", _("Notes:")); |
| 351 | printf(" %s\n", _("- This plugin only monitors one of the two variables stored in the MRTG log")); | 432 | printf(" %s\n", |
| 433 | _("- This plugin only monitors one of the two variables stored in the MRTG log")); | ||
| 352 | printf(" %s\n", _("file. If you want to monitor both values you will have to define two")); | 434 | printf(" %s\n", _("file. If you want to monitor both values you will have to define two")); |
| 353 | printf(" %s\n", _("commands with different values for the <variable> argument. Of course,")); | 435 | printf(" %s\n", _("commands with different values for the <variable> argument. Of course,")); |
| 354 | printf(" %s\n", _("you can always hack the code to make this plugin work for you...")); | 436 | printf(" %s\n", _("you can always hack the code to make this plugin work for you...")); |
| 355 | printf(" %s\n", _("- MRTG stands for the Multi Router Traffic Grapher. It can be downloaded from")); | 437 | printf(" %s\n", |
| 438 | _("- MRTG stands for the Multi Router Traffic Grapher. It can be downloaded from")); | ||
| 356 | printf(" %s\n", "http://ee-staff.ethz.ch/~oetiker/webtools/mrtg/mrtg.html"); | 439 | printf(" %s\n", "http://ee-staff.ethz.ch/~oetiker/webtools/mrtg/mrtg.html"); |
| 357 | 440 | ||
| 358 | printf(UT_SUPPORT); | 441 | printf(UT_SUPPORT); |
