diff options
Diffstat (limited to 'plugins/check_mysql.c')
| -rw-r--r-- | plugins/check_mysql.c | 376 |
1 files changed, 245 insertions, 131 deletions
diff --git a/plugins/check_mysql.c b/plugins/check_mysql.c index ca3422b5..26730d4c 100644 --- a/plugins/check_mysql.c +++ b/plugins/check_mysql.c | |||
| @@ -30,13 +30,11 @@ | |||
| 30 | * | 30 | * |
| 31 | *****************************************************************************/ | 31 | *****************************************************************************/ |
| 32 | 32 | ||
| 33 | const char *progname = "check_mysql"; | ||
| 34 | const char *copyright = "1999-2024"; | ||
| 35 | const char *email = "devel@monitoring-plugins.org"; | ||
| 36 | |||
| 37 | #define REPLICA_RESULTSIZE 96 | ||
| 38 | |||
| 39 | #include "common.h" | 33 | #include "common.h" |
| 34 | #include "output.h" | ||
| 35 | #include "perfdata.h" | ||
| 36 | #include "states.h" | ||
| 37 | #include "thresholds.h" | ||
| 40 | #include "utils.h" | 38 | #include "utils.h" |
| 41 | #include "utils_base.h" | 39 | #include "utils_base.h" |
| 42 | #include "netutils.h" | 40 | #include "netutils.h" |
| @@ -46,19 +44,33 @@ const char *email = "devel@monitoring-plugins.org"; | |||
| 46 | #include <mysqld_error.h> | 44 | #include <mysqld_error.h> |
| 47 | #include <errmsg.h> | 45 | #include <errmsg.h> |
| 48 | 46 | ||
| 47 | const char *progname = "check_mysql"; | ||
| 48 | const char *copyright = "1999-2024"; | ||
| 49 | const char *email = "devel@monitoring-plugins.org"; | ||
| 50 | |||
| 49 | static int verbose = 0; | 51 | static int verbose = 0; |
| 50 | 52 | ||
| 53 | #define REPLICA_RESULTSIZE 96 | ||
| 54 | |||
| 51 | #define LENGTH_METRIC_UNIT 6 | 55 | #define LENGTH_METRIC_UNIT 6 |
| 52 | static const char *metric_unit[LENGTH_METRIC_UNIT] = { | 56 | static const char *metric_unit[LENGTH_METRIC_UNIT] = { |
| 53 | "Open_files", "Open_tables", "Qcache_free_memory", "Qcache_queries_in_cache", "Threads_connected", "Threads_running"}; | 57 | "Open_files", "Open_tables", "Qcache_free_memory", "Qcache_queries_in_cache", |
| 58 | "Threads_connected", "Threads_running"}; | ||
| 54 | 59 | ||
| 55 | #define LENGTH_METRIC_COUNTER 9 | 60 | #define LENGTH_METRIC_COUNTER 9 |
| 56 | static const char *metric_counter[LENGTH_METRIC_COUNTER] = { | 61 | static const char *metric_counter[LENGTH_METRIC_COUNTER] = {"Connections", |
| 57 | "Connections", "Qcache_hits", "Qcache_inserts", "Qcache_lowmem_prunes", "Qcache_not_cached", "Queries", | 62 | "Qcache_hits", |
| 58 | "Questions", "Table_locks_waited", "Uptime"}; | 63 | "Qcache_inserts", |
| 59 | 64 | "Qcache_lowmem_prunes", | |
| 60 | #define MYSQLDUMP_THREADS_QUERY \ | 65 | "Qcache_not_cached", |
| 61 | "SELECT COUNT(1) mysqldumpThreads FROM information_schema.processlist WHERE info LIKE 'SELECT /*!40001 SQL_NO_CACHE */%'" | 66 | "Queries", |
| 67 | "Questions", | ||
| 68 | "Table_locks_waited", | ||
| 69 | "Uptime"}; | ||
| 70 | |||
| 71 | #define MYSQLDUMP_THREADS_QUERY \ | ||
| 72 | "SELECT COUNT(1) mysqldumpThreads FROM information_schema.processlist WHERE info LIKE " \ | ||
| 73 | "'SELECT /*!40001 SQL_NO_CACHE */%'" | ||
| 62 | 74 | ||
| 63 | typedef struct { | 75 | typedef struct { |
| 64 | int errorcode; | 76 | int errorcode; |
| @@ -84,6 +96,10 @@ int main(int argc, char **argv) { | |||
| 84 | 96 | ||
| 85 | const check_mysql_config config = tmp_config.config; | 97 | const check_mysql_config config = tmp_config.config; |
| 86 | 98 | ||
| 99 | if (config.output_format_is_set) { | ||
| 100 | mp_set_format(config.output_format); | ||
| 101 | } | ||
| 102 | |||
| 87 | MYSQL mysql; | 103 | MYSQL mysql; |
| 88 | /* initialize mysql */ | 104 | /* initialize mysql */ |
| 89 | mysql_init(&mysql); | 105 | mysql_init(&mysql); |
| @@ -99,82 +115,130 @@ int main(int argc, char **argv) { | |||
| 99 | } | 115 | } |
| 100 | 116 | ||
| 101 | if (config.ssl) { | 117 | if (config.ssl) { |
| 102 | mysql_ssl_set(&mysql, config.key, config.cert, config.ca_cert, config.ca_dir, config.ciphers); | 118 | mysql_ssl_set(&mysql, config.key, config.cert, config.ca_cert, config.ca_dir, |
| 119 | config.ciphers); | ||
| 103 | } | 120 | } |
| 104 | /* establish a connection to the server and error checking */ | 121 | |
| 105 | if (!mysql_real_connect(&mysql, config.db_host, config.db_user, config.db_pass, config.db, config.db_port, config.db_socket, 0)) { | 122 | mp_check overall = mp_check_init(); |
| 123 | |||
| 124 | mp_subcheck sc_connection = mp_subcheck_init(); | ||
| 125 | /* establish a connection to the server and check for errors */ | ||
| 126 | if (!mysql_real_connect(&mysql, config.db_host, config.db_user, config.db_pass, config.db, | ||
| 127 | config.db_port, config.db_socket, 0)) { | ||
| 106 | /* Depending on internally-selected auth plugin MySQL might return */ | 128 | /* Depending on internally-selected auth plugin MySQL might return */ |
| 107 | /* ER_ACCESS_DENIED_NO_PASSWORD_ERROR or ER_ACCESS_DENIED_ERROR. */ | 129 | /* ER_ACCESS_DENIED_NO_PASSWORD_ERROR or ER_ACCESS_DENIED_ERROR. */ |
| 108 | /* Semantically these errors are the same. */ | 130 | /* Semantically these errors are the same. */ |
| 109 | if (config.ignore_auth && | 131 | if (config.ignore_auth && (mysql_errno(&mysql) == ER_ACCESS_DENIED_ERROR || |
| 110 | (mysql_errno(&mysql) == ER_ACCESS_DENIED_ERROR || mysql_errno(&mysql) == ER_ACCESS_DENIED_NO_PASSWORD_ERROR)) { | 132 | mysql_errno(&mysql) == ER_ACCESS_DENIED_NO_PASSWORD_ERROR)) { |
| 111 | printf("MySQL OK - Version: %s (protocol %d)\n", mysql_get_server_info(&mysql), mysql_get_proto_info(&mysql)); | 133 | xasprintf(&sc_connection.output, "Version: %s (protocol %d)", |
| 112 | mysql_close(&mysql); | 134 | mysql_get_server_info(&mysql), mysql_get_proto_info(&mysql)); |
| 113 | return STATE_OK; | 135 | sc_connection = mp_set_subcheck_state(sc_connection, STATE_OK); |
| 114 | } | ||
| 115 | 136 | ||
| 116 | if (mysql_errno(&mysql) == CR_UNKNOWN_HOST) { | 137 | mysql_close(&mysql); |
| 117 | die(STATE_WARNING, "%s\n", mysql_error(&mysql)); | ||
| 118 | } else if (mysql_errno(&mysql) == CR_VERSION_ERROR) { | ||
| 119 | die(STATE_WARNING, "%s\n", mysql_error(&mysql)); | ||
| 120 | } else if (mysql_errno(&mysql) == CR_OUT_OF_MEMORY) { | ||
| 121 | die(STATE_WARNING, "%s\n", mysql_error(&mysql)); | ||
| 122 | } else if (mysql_errno(&mysql) == CR_IPSOCK_ERROR) { | ||
| 123 | die(STATE_WARNING, "%s\n", mysql_error(&mysql)); | ||
| 124 | } else if (mysql_errno(&mysql) == CR_SOCKET_CREATE_ERROR) { | ||
| 125 | die(STATE_WARNING, "%s\n", mysql_error(&mysql)); | ||
| 126 | } else { | 138 | } else { |
| 127 | die(STATE_CRITICAL, "%s\n", mysql_error(&mysql)); | 139 | if (mysql_errno(&mysql) == CR_UNKNOWN_HOST) { |
| 140 | sc_connection = mp_set_subcheck_state(sc_connection, STATE_WARNING); | ||
| 141 | xasprintf(&sc_connection.output, "%s", mysql_error(&mysql)); | ||
| 142 | } else if (mysql_errno(&mysql) == CR_VERSION_ERROR) { | ||
| 143 | sc_connection = mp_set_subcheck_state(sc_connection, STATE_WARNING); | ||
| 144 | xasprintf(&sc_connection.output, "%s", mysql_error(&mysql)); | ||
| 145 | } else if (mysql_errno(&mysql) == CR_OUT_OF_MEMORY) { | ||
| 146 | sc_connection = mp_set_subcheck_state(sc_connection, STATE_WARNING); | ||
| 147 | xasprintf(&sc_connection.output, "%s", mysql_error(&mysql)); | ||
| 148 | } else if (mysql_errno(&mysql) == CR_IPSOCK_ERROR) { | ||
| 149 | sc_connection = mp_set_subcheck_state(sc_connection, STATE_WARNING); | ||
| 150 | xasprintf(&sc_connection.output, "%s", mysql_error(&mysql)); | ||
| 151 | } else if (mysql_errno(&mysql) == CR_SOCKET_CREATE_ERROR) { | ||
| 152 | sc_connection = mp_set_subcheck_state(sc_connection, STATE_WARNING); | ||
| 153 | xasprintf(&sc_connection.output, "%s", mysql_error(&mysql)); | ||
| 154 | } else { | ||
| 155 | sc_connection = mp_set_subcheck_state(sc_connection, STATE_CRITICAL); | ||
| 156 | xasprintf(&sc_connection.output, "%s", mysql_error(&mysql)); | ||
| 157 | } | ||
| 128 | } | 158 | } |
| 159 | |||
| 160 | mp_add_subcheck_to_check(&overall, sc_connection); | ||
| 161 | mp_exit(overall); | ||
| 162 | } else { | ||
| 163 | // successful connection | ||
| 164 | sc_connection = mp_set_subcheck_state(sc_connection, STATE_OK); | ||
| 165 | xasprintf(&sc_connection.output, "Version: %s (protocol %d)", mysql_get_server_info(&mysql), | ||
| 166 | mysql_get_proto_info(&mysql)); | ||
| 167 | mp_add_subcheck_to_check(&overall, sc_connection); | ||
| 129 | } | 168 | } |
| 130 | 169 | ||
| 131 | /* get the server stats */ | 170 | /* get the server stats */ |
| 132 | char *result = strdup(mysql_stat(&mysql)); | 171 | char *mysql_stats = strdup(mysql_stat(&mysql)); |
| 172 | |||
| 173 | mp_subcheck sc_stats = mp_subcheck_init(); | ||
| 174 | sc_stats = mp_set_subcheck_default_state(sc_stats, STATE_OK); | ||
| 133 | 175 | ||
| 134 | /* error checking once more */ | 176 | /* error checking once more */ |
| 135 | if (mysql_error(&mysql)) { | 177 | if (mysql_errno(&mysql) != 0) { |
| 136 | if (mysql_errno(&mysql) == CR_SERVER_GONE_ERROR) { | 178 | if ((mysql_errno(&mysql) == CR_SERVER_GONE_ERROR) || |
| 137 | die(STATE_CRITICAL, "%s\n", mysql_error(&mysql)); | 179 | (mysql_errno(&mysql) == CR_SERVER_LOST) || (mysql_errno(&mysql) == CR_UNKNOWN_ERROR)) { |
| 138 | } else if (mysql_errno(&mysql) == CR_SERVER_LOST) { | 180 | sc_stats = mp_set_subcheck_state(sc_stats, STATE_CRITICAL); |
| 139 | die(STATE_CRITICAL, "%s\n", mysql_error(&mysql)); | 181 | xasprintf(&sc_stats.output, "Retrieving stats failed: %s", mysql_error(&mysql)); |
| 140 | } else if (mysql_errno(&mysql) == CR_UNKNOWN_ERROR) { | 182 | } else { |
| 141 | die(STATE_CRITICAL, "%s\n", mysql_error(&mysql)); | 183 | // not sure which error modes occur here, but mysql_error indicates an error |
| 184 | sc_stats = mp_set_subcheck_state(sc_stats, STATE_WARNING); | ||
| 185 | xasprintf(&sc_stats.output, "retrieving stats caused an error: %s", | ||
| 186 | mysql_error(&mysql)); | ||
| 142 | } | 187 | } |
| 188 | |||
| 189 | mp_add_subcheck_to_check(&overall, sc_stats); | ||
| 190 | mp_exit(overall); | ||
| 191 | } else { | ||
| 192 | xasprintf(&sc_stats.output, "retrieved stats: %s", mysql_stats); | ||
| 193 | sc_stats = mp_set_subcheck_state(sc_stats, STATE_OK); | ||
| 194 | mp_add_subcheck_to_check(&overall, sc_stats); | ||
| 143 | } | 195 | } |
| 144 | 196 | ||
| 145 | char *perf = strdup(""); | ||
| 146 | char *error = NULL; | ||
| 147 | MYSQL_RES *res; | 197 | MYSQL_RES *res; |
| 148 | MYSQL_ROW row; | 198 | MYSQL_ROW row; |
| 199 | mp_subcheck sc_query = mp_subcheck_init(); | ||
| 149 | /* try to fetch some perf data */ | 200 | /* try to fetch some perf data */ |
| 150 | if (mysql_query(&mysql, "show global status") == 0) { | 201 | if (mysql_query(&mysql, "show global status") == 0) { |
| 151 | if ((res = mysql_store_result(&mysql)) == NULL) { | 202 | if ((res = mysql_store_result(&mysql)) == NULL) { |
| 152 | error = strdup(mysql_error(&mysql)); | 203 | xasprintf(&sc_connection.output, "query failed - status store_result error: %s", |
| 204 | mysql_error(&mysql)); | ||
| 153 | mysql_close(&mysql); | 205 | mysql_close(&mysql); |
| 154 | die(STATE_CRITICAL, _("status store_result error: %s\n"), error); | 206 | |
| 207 | sc_query = mp_set_subcheck_state(sc_query, STATE_CRITICAL); | ||
| 208 | mp_add_subcheck_to_check(&overall, sc_query); | ||
| 209 | mp_exit(overall); | ||
| 155 | } | 210 | } |
| 156 | 211 | ||
| 157 | while ((row = mysql_fetch_row(res)) != NULL) { | 212 | while ((row = mysql_fetch_row(res)) != NULL) { |
| 158 | for (int i = 0; i < LENGTH_METRIC_UNIT; i++) { | 213 | for (int i = 0; i < LENGTH_METRIC_UNIT; i++) { |
| 159 | if (strcmp(row[0], metric_unit[i]) == 0) { | 214 | if (strcmp(row[0], metric_unit[i]) == 0) { |
| 160 | xasprintf(&perf, "%s%s ", perf, perfdata(metric_unit[i], atol(row[1]), "", false, 0, false, 0, false, 0, false, 0)); | 215 | mp_perfdata pd_mysql_stat = perfdata_init(); |
| 216 | pd_mysql_stat.label = (char *)metric_unit[i]; | ||
| 217 | pd_mysql_stat.value = mp_create_pd_value(atol(row[1])); | ||
| 218 | mp_add_perfdata_to_subcheck(&sc_stats, pd_mysql_stat); | ||
| 161 | continue; | 219 | continue; |
| 162 | } | 220 | } |
| 163 | } | 221 | } |
| 222 | |||
| 164 | for (int i = 0; i < LENGTH_METRIC_COUNTER; i++) { | 223 | for (int i = 0; i < LENGTH_METRIC_COUNTER; i++) { |
| 165 | if (strcmp(row[0], metric_counter[i]) == 0) { | 224 | if (strcmp(row[0], metric_counter[i]) == 0) { |
| 166 | xasprintf(&perf, "%s%s ", perf, perfdata(metric_counter[i], atol(row[1]), "c", false, 0, false, 0, false, 0, false, 0)); | 225 | mp_perfdata pd_mysql_stat = perfdata_init(); |
| 226 | pd_mysql_stat.label = (char *)metric_counter[i]; | ||
| 227 | pd_mysql_stat.value = mp_create_pd_value(atol(row[1])); | ||
| 228 | pd_mysql_stat.uom = "c"; | ||
| 229 | mp_add_perfdata_to_subcheck(&sc_stats, pd_mysql_stat); | ||
| 167 | continue; | 230 | continue; |
| 168 | } | 231 | } |
| 169 | } | 232 | } |
| 170 | } | 233 | } |
| 171 | /* remove trailing space */ | 234 | } else { |
| 172 | if (strlen(perf) > 0) { | 235 | // Query failed! |
| 173 | perf[strlen(perf) - 1] = '\0'; | 236 | xasprintf(&sc_connection.output, "query failed"); |
| 174 | } | 237 | sc_query = mp_set_subcheck_state(sc_query, STATE_CRITICAL); |
| 238 | mp_add_subcheck_to_check(&overall, sc_query); | ||
| 239 | mp_exit(overall); | ||
| 175 | } | 240 | } |
| 176 | 241 | ||
| 177 | char replica_result[REPLICA_RESULTSIZE] = {0}; | ||
| 178 | if (config.check_replica) { | 242 | if (config.check_replica) { |
| 179 | // Detect which version we are, on older version | 243 | // Detect which version we are, on older version |
| 180 | // "show slave status" should work, on newer ones | 244 | // "show slave status" should work, on newer ones |
| @@ -188,9 +252,11 @@ int main(int argc, char **argv) { | |||
| 188 | unsigned long major_version = server_verion_int / 10000; | 252 | unsigned long major_version = server_verion_int / 10000; |
| 189 | unsigned long minor_version = (server_verion_int % 10000) / 100; | 253 | unsigned long minor_version = (server_verion_int % 10000) / 100; |
| 190 | unsigned long patch_version = (server_verion_int % 100); | 254 | unsigned long patch_version = (server_verion_int % 100); |
| 255 | |||
| 191 | if (verbose) { | 256 | if (verbose) { |
| 192 | printf("Found MariaDB: %s, main version: %lu, minor version: %lu, patch version: %lu\n", server_version, major_version, | 257 | printf("Found MariaDB/MySQL: %s, main version: %lu, minor version: %lu, patch version: " |
| 193 | minor_version, patch_version); | 258 | "%lu\n", |
| 259 | server_version, major_version, minor_version, patch_version); | ||
| 194 | } | 260 | } |
| 195 | 261 | ||
| 196 | if (strstr(server_version, "MariaDB") != NULL) { | 262 | if (strstr(server_version, "MariaDB") != NULL) { |
| @@ -204,16 +270,13 @@ int main(int argc, char **argv) { | |||
| 204 | use_deprecated_slave_status = true; | 270 | use_deprecated_slave_status = true; |
| 205 | } | 271 | } |
| 206 | } | 272 | } |
| 207 | } else if (strstr(server_version, "MySQL") != NULL) { | 273 | } else { |
| 208 | // Looks like MySQL | 274 | // Looks like MySQL or at least not like MariaDB |
| 209 | if (major_version < 8) { | 275 | if (major_version < 8) { |
| 210 | use_deprecated_slave_status = true; | 276 | use_deprecated_slave_status = true; |
| 211 | } else if (major_version == 10 && minor_version < 4) { | 277 | } else if (major_version == 10 && minor_version < 4) { |
| 212 | use_deprecated_slave_status = true; | 278 | use_deprecated_slave_status = true; |
| 213 | } | 279 | } |
| 214 | } else { | ||
| 215 | printf("Not a known sever implementation: %s\n", server_version); | ||
| 216 | exit(STATE_UNKNOWN); | ||
| 217 | } | 280 | } |
| 218 | 281 | ||
| 219 | char *replica_query = NULL; | 282 | char *replica_query = NULL; |
| @@ -223,62 +286,80 @@ int main(int argc, char **argv) { | |||
| 223 | replica_query = "show replica status"; | 286 | replica_query = "show replica status"; |
| 224 | } | 287 | } |
| 225 | 288 | ||
| 289 | mp_subcheck sc_replica = mp_subcheck_init(); | ||
| 290 | |||
| 226 | /* check the replica status */ | 291 | /* check the replica status */ |
| 227 | if (mysql_query(&mysql, replica_query) != 0) { | 292 | if (mysql_query(&mysql, replica_query) != 0) { |
| 228 | error = strdup(mysql_error(&mysql)); | 293 | xasprintf(&sc_replica.output, "replica query error: %s", mysql_error(&mysql)); |
| 229 | mysql_close(&mysql); | 294 | mysql_close(&mysql); |
| 230 | die(STATE_CRITICAL, _("replica query error: %s\n"), error); | 295 | |
| 296 | sc_replica = mp_set_subcheck_state(sc_replica, STATE_CRITICAL); | ||
| 297 | mp_add_subcheck_to_check(&overall, sc_replica); | ||
| 298 | mp_exit(overall); | ||
| 231 | } | 299 | } |
| 232 | 300 | ||
| 233 | /* store the result */ | 301 | /* store the result */ |
| 234 | if ((res = mysql_store_result(&mysql)) == NULL) { | 302 | if ((res = mysql_store_result(&mysql)) == NULL) { |
| 235 | error = strdup(mysql_error(&mysql)); | 303 | xasprintf(&sc_replica.output, "replica store_result error: %s", mysql_error(&mysql)); |
| 236 | mysql_close(&mysql); | 304 | mysql_close(&mysql); |
| 237 | die(STATE_CRITICAL, _("replica store_result error: %s\n"), error); | 305 | |
| 306 | sc_replica = mp_set_subcheck_state(sc_replica, STATE_CRITICAL); | ||
| 307 | mp_add_subcheck_to_check(&overall, sc_replica); | ||
| 308 | mp_exit(overall); | ||
| 238 | } | 309 | } |
| 239 | 310 | ||
| 240 | /* Check there is some data */ | 311 | /* Check there is some data */ |
| 241 | if (mysql_num_rows(res) == 0) { | 312 | if (mysql_num_rows(res) == 0) { |
| 242 | mysql_close(&mysql); | 313 | mysql_close(&mysql); |
| 243 | die(STATE_WARNING, "%s\n", _("No replicas defined")); | 314 | |
| 315 | xasprintf(&sc_replica.output, "no replicas defined"); | ||
| 316 | sc_replica = mp_set_subcheck_state(sc_replica, STATE_WARNING); | ||
| 317 | mp_add_subcheck_to_check(&overall, sc_replica); | ||
| 318 | mp_exit(overall); | ||
| 244 | } | 319 | } |
| 245 | 320 | ||
| 246 | /* fetch the first row */ | 321 | /* fetch the first row */ |
| 247 | if ((row = mysql_fetch_row(res)) == NULL) { | 322 | if ((row = mysql_fetch_row(res)) == NULL) { |
| 248 | error = strdup(mysql_error(&mysql)); | 323 | xasprintf(&sc_replica.output, "replica fetch row error: %s", mysql_error(&mysql)); |
| 249 | mysql_free_result(res); | 324 | mysql_free_result(res); |
| 250 | mysql_close(&mysql); | 325 | mysql_close(&mysql); |
| 251 | die(STATE_CRITICAL, _("replica fetch row error: %s\n"), error); | 326 | |
| 327 | sc_replica = mp_set_subcheck_state(sc_replica, STATE_CRITICAL); | ||
| 328 | mp_add_subcheck_to_check(&overall, sc_replica); | ||
| 329 | mp_exit(overall); | ||
| 252 | } | 330 | } |
| 253 | 331 | ||
| 254 | if (mysql_field_count(&mysql) == 12) { | 332 | if (mysql_field_count(&mysql) == 12) { |
| 255 | /* mysql 3.23.x */ | 333 | /* mysql 3.23.x */ |
| 256 | snprintf(replica_result, REPLICA_RESULTSIZE, _("Replica running: %s"), row[6]); | 334 | xasprintf(&sc_replica.output, "Replica running: %s", row[6]); |
| 257 | if (strcmp(row[6], "Yes") != 0) { | 335 | if (strcmp(row[6], "Yes") != 0) { |
| 258 | mysql_free_result(res); | 336 | mysql_free_result(res); |
| 259 | mysql_close(&mysql); | 337 | mysql_close(&mysql); |
| 260 | die(STATE_CRITICAL, "%s\n", replica_result); | ||
| 261 | } | ||
| 262 | 338 | ||
| 339 | sc_replica = mp_set_subcheck_state(sc_replica, STATE_CRITICAL); | ||
| 340 | mp_add_subcheck_to_check(&overall, sc_replica); | ||
| 341 | mp_exit(overall); | ||
| 342 | } | ||
| 263 | } else { | 343 | } else { |
| 264 | /* mysql 4.x.x and mysql 5.x.x */ | 344 | /* mysql 4.x.x and mysql 5.x.x */ |
| 265 | int replica_io_field = -1; | 345 | int replica_io_field = -1; |
| 266 | int replica_sql_field = -1; | 346 | int replica_sql_field = -1; |
| 267 | int seconds_behind_field = -1; | 347 | int seconds_behind_field = -1; |
| 268 | int num_fields; | 348 | unsigned int num_fields = mysql_num_fields(res); |
| 269 | MYSQL_FIELD *fields; | 349 | MYSQL_FIELD *fields = mysql_fetch_fields(res); |
| 270 | num_fields = mysql_num_fields(res); | 350 | for (int i = 0; i < (int)num_fields; i++) { |
| 271 | fields = mysql_fetch_fields(res); | 351 | if ((strcasecmp(fields[i].name, "Slave_IO_Running") == 0) || |
| 272 | for (int i = 0; i < num_fields; i++) { | 352 | (strcasecmp(fields[i].name, "Replica_IO_Running") == 0)) { |
| 273 | if (strcmp(fields[i].name, "Slave_IO_Running") == 0) { | ||
| 274 | replica_io_field = i; | 353 | replica_io_field = i; |
| 275 | continue; | 354 | continue; |
| 276 | } | 355 | } |
| 277 | if (strcmp(fields[i].name, "Slave_SQL_Running") == 0) { | 356 | if ((strcasecmp(fields[i].name, "Slave_SQL_Running") == 0) || |
| 357 | (strcasecmp(fields[i].name, "Replica_SQL_Running") == 0)) { | ||
| 278 | replica_sql_field = i; | 358 | replica_sql_field = i; |
| 279 | continue; | 359 | continue; |
| 280 | } | 360 | } |
| 281 | if (strcmp(fields[i].name, "Seconds_Behind_Master") == 0) { | 361 | if ((strcasecmp(fields[i].name, "Seconds_Behind_Master") == 0) || |
| 362 | (strcasecmp(fields[i].name, "Seconds_Behind_Source") == 0)) { | ||
| 282 | seconds_behind_field = i; | 363 | seconds_behind_field = i; |
| 283 | continue; | 364 | continue; |
| 284 | } | 365 | } |
| @@ -288,15 +369,23 @@ int main(int argc, char **argv) { | |||
| 288 | if ((replica_io_field < 0) || (replica_sql_field < 0) || (num_fields == 0)) { | 369 | if ((replica_io_field < 0) || (replica_sql_field < 0) || (num_fields == 0)) { |
| 289 | mysql_free_result(res); | 370 | mysql_free_result(res); |
| 290 | mysql_close(&mysql); | 371 | mysql_close(&mysql); |
| 291 | die(STATE_CRITICAL, "Replica status unavailable\n"); | 372 | |
| 373 | xasprintf(&sc_replica.output, "Replica status unavailable"); | ||
| 374 | sc_replica = mp_set_subcheck_state(sc_replica, STATE_CRITICAL); | ||
| 375 | mp_add_subcheck_to_check(&overall, sc_replica); | ||
| 376 | mp_exit(overall); | ||
| 292 | } | 377 | } |
| 293 | 378 | ||
| 294 | /* Save replica status in replica_result */ | 379 | /* Save replica status in replica_result */ |
| 295 | snprintf(replica_result, REPLICA_RESULTSIZE, "Replica IO: %s Replica SQL: %s Seconds Behind Master: %s", row[replica_io_field], | 380 | xasprintf(&sc_replica.output, |
| 296 | row[replica_sql_field], seconds_behind_field != -1 ? row[seconds_behind_field] : "Unknown"); | 381 | "Replica IO: %s Replica SQL: %s Seconds Behind Master: %s", |
| 297 | 382 | row[replica_io_field], row[replica_sql_field], | |
| 298 | /* Raise critical error if SQL THREAD or IO THREAD are stopped, but only if there are no mysqldump threads running */ | 383 | seconds_behind_field != -1 ? row[seconds_behind_field] : "Unknown"); |
| 299 | if (strcmp(row[replica_io_field], "Yes") != 0 || strcmp(row[replica_sql_field], "Yes") != 0) { | 384 | |
| 385 | /* Raise critical error if SQL THREAD or IO THREAD are stopped, but only if there are no | ||
| 386 | * mysqldump threads running */ | ||
| 387 | if (strcmp(row[replica_io_field], "Yes") != 0 || | ||
| 388 | strcmp(row[replica_sql_field], "Yes") != 0) { | ||
| 300 | MYSQL_RES *res_mysqldump; | 389 | MYSQL_RES *res_mysqldump; |
| 301 | MYSQL_ROW row_mysqldump; | 390 | MYSQL_ROW row_mysqldump; |
| 302 | unsigned int mysqldump_threads = 0; | 391 | unsigned int mysqldump_threads = 0; |
| @@ -314,10 +403,14 @@ int main(int argc, char **argv) { | |||
| 314 | } | 403 | } |
| 315 | mysql_close(&mysql); | 404 | mysql_close(&mysql); |
| 316 | } | 405 | } |
| 406 | |||
| 317 | if (mysqldump_threads == 0) { | 407 | if (mysqldump_threads == 0) { |
| 318 | die(STATE_CRITICAL, "%s\n", replica_result); | 408 | sc_replica = mp_set_subcheck_state(sc_replica, STATE_CRITICAL); |
| 409 | mp_add_subcheck_to_check(&overall, sc_replica); | ||
| 410 | mp_exit(overall); | ||
| 319 | } else { | 411 | } else { |
| 320 | strncat(replica_result, " Mysqldump: in progress", REPLICA_RESULTSIZE - 1); | 412 | xasprintf(&sc_replica.output, "%s %s", sc_replica.output, |
| 413 | " Mysqldump: in progress"); | ||
| 321 | } | 414 | } |
| 322 | } | 415 | } |
| 323 | 416 | ||
| @@ -325,27 +418,30 @@ int main(int argc, char **argv) { | |||
| 325 | if (seconds_behind_field == -1) { | 418 | if (seconds_behind_field == -1) { |
| 326 | printf("seconds_behind_field not found\n"); | 419 | printf("seconds_behind_field not found\n"); |
| 327 | } else { | 420 | } else { |
| 328 | printf("seconds_behind_field(index %d)=%s\n", seconds_behind_field, row[seconds_behind_field]); | 421 | printf("seconds_behind_field(index %d)=%s\n", seconds_behind_field, |
| 422 | row[seconds_behind_field]); | ||
| 329 | } | 423 | } |
| 330 | } | 424 | } |
| 331 | 425 | ||
| 332 | /* Check Seconds Behind against threshold */ | 426 | /* Check Seconds Behind against threshold */ |
| 333 | if ((seconds_behind_field != -1) && (row[seconds_behind_field] != NULL && strcmp(row[seconds_behind_field], "NULL") != 0)) { | 427 | if ((seconds_behind_field != -1) && (row[seconds_behind_field] != NULL && |
| 334 | double value = atof(row[seconds_behind_field]); | 428 | strcmp(row[seconds_behind_field], "NULL") != 0)) { |
| 335 | int status; | 429 | mp_perfdata pd_seconds_behind = perfdata_init(); |
| 336 | 430 | pd_seconds_behind.label = "seconds behind master"; | |
| 337 | status = get_status(value, config.my_threshold); | 431 | pd_seconds_behind.value = mp_create_pd_value(atof(row[seconds_behind_field])); |
| 338 | 432 | pd_seconds_behind = | |
| 339 | xasprintf(&perf, "%s %s", perf, | 433 | mp_pd_set_thresholds(pd_seconds_behind, config.replica_thresholds); |
| 340 | fperfdata("seconds behind master", value, "s", true, (double)config.warning_time, true, | 434 | pd_seconds_behind.uom = "s"; |
| 341 | (double)config.critical_time, false, 0, false, 0)); | 435 | mp_add_perfdata_to_subcheck(&sc_replica, pd_seconds_behind); |
| 342 | 436 | ||
| 343 | if (status == STATE_WARNING) { | 437 | mp_state_enum status = mp_get_pd_status(pd_seconds_behind); |
| 344 | printf("SLOW_REPLICA %s: %s|%s\n", _("WARNING"), replica_result, perf); | 438 | |
| 345 | exit(STATE_WARNING); | 439 | sc_replica = mp_set_subcheck_state(sc_replica, status); |
| 346 | } else if (status == STATE_CRITICAL) { | 440 | |
| 347 | printf("SLOW_REPLICA %s: %s|%s\n", _("CRITICAL"), replica_result, perf); | 441 | if (status != STATE_OK) { |
| 348 | exit(STATE_CRITICAL); | 442 | xasprintf(&sc_replica.output, "slow replica - %s", sc_replica.output); |
| 443 | mp_add_subcheck_to_check(&overall, sc_replica); | ||
| 444 | mp_exit(overall); | ||
| 349 | } | 445 | } |
| 350 | } | 446 | } |
| 351 | } | 447 | } |
| @@ -357,20 +453,17 @@ int main(int argc, char **argv) { | |||
| 357 | /* close the connection */ | 453 | /* close the connection */ |
| 358 | mysql_close(&mysql); | 454 | mysql_close(&mysql); |
| 359 | 455 | ||
| 360 | /* print out the result of stats */ | 456 | mp_exit(overall); |
| 361 | if (config.check_replica) { | ||
| 362 | printf("%s %s|%s\n", result, replica_result, perf); | ||
| 363 | } else { | ||
| 364 | printf("%s|%s\n", result, perf); | ||
| 365 | } | ||
| 366 | |||
| 367 | return STATE_OK; | ||
| 368 | } | 457 | } |
| 369 | 458 | ||
| 370 | #define CHECK_REPLICA_OPT CHAR_MAX + 1 | ||
| 371 | |||
| 372 | /* process command-line arguments */ | 459 | /* process command-line arguments */ |
| 373 | check_mysql_config_wrapper process_arguments(int argc, char **argv) { | 460 | check_mysql_config_wrapper process_arguments(int argc, char **argv) { |
| 461 | |||
| 462 | enum { | ||
| 463 | CHECK_REPLICA_OPT = CHAR_MAX + 1, | ||
| 464 | output_format_index, | ||
| 465 | }; | ||
| 466 | |||
| 374 | static struct option longopts[] = {{"hostname", required_argument, 0, 'H'}, | 467 | static struct option longopts[] = {{"hostname", required_argument, 0, 'H'}, |
| 375 | {"socket", required_argument, 0, 's'}, | 468 | {"socket", required_argument, 0, 's'}, |
| 376 | {"database", required_argument, 0, 'd'}, | 469 | {"database", required_argument, 0, 'd'}, |
| @@ -393,6 +486,7 @@ check_mysql_config_wrapper process_arguments(int argc, char **argv) { | |||
| 393 | {"cert", required_argument, 0, 'a'}, | 486 | {"cert", required_argument, 0, 'a'}, |
| 394 | {"ca-dir", required_argument, 0, 'D'}, | 487 | {"ca-dir", required_argument, 0, 'D'}, |
| 395 | {"ciphers", required_argument, 0, 'L'}, | 488 | {"ciphers", required_argument, 0, 'L'}, |
| 489 | {"output-format", required_argument, 0, output_format_index}, | ||
| 396 | {0, 0, 0, 0}}; | 490 | {0, 0, 0, 0}}; |
| 397 | 491 | ||
| 398 | check_mysql_config_wrapper result = { | 492 | check_mysql_config_wrapper result = { |
| @@ -405,12 +499,10 @@ check_mysql_config_wrapper process_arguments(int argc, char **argv) { | |||
| 405 | return result; | 499 | return result; |
| 406 | } | 500 | } |
| 407 | 501 | ||
| 408 | char *warning = NULL; | ||
| 409 | char *critical = NULL; | ||
| 410 | |||
| 411 | int option = 0; | 502 | int option = 0; |
| 412 | while (true) { | 503 | while (true) { |
| 413 | int option_index = getopt_long(argc, argv, "hlvVnSP:p:u:d:H:s:c:w:a:k:C:D:L:f:g:", longopts, &option); | 504 | int option_index = |
| 505 | getopt_long(argc, argv, "hlvVnSP:p:u:d:H:s:c:w:a:k:C:D:L:f:g:", longopts, &option); | ||
| 414 | 506 | ||
| 415 | if (option_index == -1 || option_index == EOF) { | 507 | if (option_index == -1 || option_index == EOF) { |
| 416 | break; | 508 | break; |
| @@ -478,14 +570,22 @@ check_mysql_config_wrapper process_arguments(int argc, char **argv) { | |||
| 478 | case 'n': | 570 | case 'n': |
| 479 | result.config.ignore_auth = true; /* ignore-auth */ | 571 | result.config.ignore_auth = true; /* ignore-auth */ |
| 480 | break; | 572 | break; |
| 481 | case 'w': | 573 | case 'w': { |
| 482 | warning = optarg; | 574 | mp_range_parsed tmp = mp_parse_range_string(optarg); |
| 483 | result.config.warning_time = strtod(warning, NULL); | 575 | if (tmp.error != MP_PARSING_SUCCES) { |
| 484 | break; | 576 | die(STATE_UNKNOWN, "failed to parse warning time threshold"); |
| 485 | case 'c': | 577 | } |
| 486 | critical = optarg; | 578 | result.config.replica_thresholds = |
| 487 | result.config.critical_time = strtod(critical, NULL); | 579 | mp_thresholds_set_warn(result.config.replica_thresholds, tmp.range); |
| 488 | break; | 580 | } break; |
| 581 | case 'c': { | ||
| 582 | mp_range_parsed tmp = mp_parse_range_string(optarg); | ||
| 583 | if (tmp.error != MP_PARSING_SUCCES) { | ||
| 584 | die(STATE_UNKNOWN, "failed to parse critical time threshold"); | ||
| 585 | } | ||
| 586 | result.config.replica_thresholds = | ||
| 587 | mp_thresholds_set_crit(result.config.replica_thresholds, tmp.range); | ||
| 588 | } break; | ||
| 489 | case 'V': /* version */ | 589 | case 'V': /* version */ |
| 490 | print_revision(progname, NP_VERSION); | 590 | print_revision(progname, NP_VERSION); |
| 491 | exit(STATE_UNKNOWN); | 591 | exit(STATE_UNKNOWN); |
| @@ -497,13 +597,22 @@ check_mysql_config_wrapper process_arguments(int argc, char **argv) { | |||
| 497 | break; | 597 | break; |
| 498 | case '?': /* help */ | 598 | case '?': /* help */ |
| 499 | usage5(); | 599 | usage5(); |
| 600 | case output_format_index: { | ||
| 601 | parsed_output_format parser = mp_parse_output_format(optarg); | ||
| 602 | if (!parser.parsing_success) { | ||
| 603 | printf("Invalid output format: %s\n", optarg); | ||
| 604 | exit(STATE_UNKNOWN); | ||
| 605 | } | ||
| 606 | |||
| 607 | result.config.output_format_is_set = true; | ||
| 608 | result.config.output_format = parser.output_format; | ||
| 609 | break; | ||
| 610 | } | ||
| 500 | } | 611 | } |
| 501 | } | 612 | } |
| 502 | 613 | ||
| 503 | int index = optind; | 614 | int index = optind; |
| 504 | 615 | ||
| 505 | set_thresholds(&result.config.my_threshold, warning, critical); | ||
| 506 | |||
| 507 | while (argc > index) { | 616 | while (argc > index) { |
| 508 | if (result.config.db_host == NULL) { | 617 | if (result.config.db_host == NULL) { |
| 509 | if (is_host(argv[index])) { | 618 | if (is_host(argv[index])) { |
| @@ -580,15 +689,17 @@ void print_help(void) { | |||
| 580 | printf(" ==> %s <==\n", _("IMPORTANT: THIS FORM OF AUTHENTICATION IS NOT SECURE!!!")); | 689 | printf(" ==> %s <==\n", _("IMPORTANT: THIS FORM OF AUTHENTICATION IS NOT SECURE!!!")); |
| 581 | printf(" %s\n", _("Your clear-text password could be visible as a process table entry")); | 690 | printf(" %s\n", _("Your clear-text password could be visible as a process table entry")); |
| 582 | printf(" %s\n", "-S, --check-slave"); | 691 | printf(" %s\n", "-S, --check-slave"); |
| 583 | printf(" %s\n", | 692 | printf(" %s\n", _("Check if the slave thread is running properly. This option is deprecated " |
| 584 | _("Check if the slave thread is running properly. This option is deprecated in favour of check-replica, which does the same")); | 693 | "in favour of check-replica, which does the same")); |
| 585 | printf(" %s\n", "--check-replica"); | 694 | printf(" %s\n", "--check-replica"); |
| 586 | printf(" %s\n", _("Check if the replica thread is running properly.")); | 695 | printf(" %s\n", _("Check if the replica thread is running properly.")); |
| 587 | printf(" %s\n", "-w, --warning"); | 696 | printf(" %s\n", "-w, --warning"); |
| 588 | printf(" %s\n", _("Exit with WARNING status if replica server is more than INTEGER seconds")); | 697 | printf(" %s\n", |
| 698 | _("Exit with WARNING status if replica server is more than INTEGER seconds")); | ||
| 589 | printf(" %s\n", _("behind master")); | 699 | printf(" %s\n", _("behind master")); |
| 590 | printf(" %s\n", "-c, --critical"); | 700 | printf(" %s\n", "-c, --critical"); |
| 591 | printf(" %s\n", _("Exit with CRITICAL status if replica server is more then INTEGER seconds")); | 701 | printf(" %s\n", |
| 702 | _("Exit with CRITICAL status if replica server is more then INTEGER seconds")); | ||
| 592 | printf(" %s\n", _("behind master")); | 703 | printf(" %s\n", _("behind master")); |
| 593 | printf(" %s\n", "-l, --ssl"); | 704 | printf(" %s\n", "-l, --ssl"); |
| 594 | printf(" %s\n", _("Use ssl encryption")); | 705 | printf(" %s\n", _("Use ssl encryption")); |
| @@ -603,8 +714,11 @@ void print_help(void) { | |||
| 603 | printf(" %s\n", "-L, --ciphers=STRING"); | 714 | printf(" %s\n", "-L, --ciphers=STRING"); |
| 604 | printf(" %s\n", _("List of valid SSL ciphers")); | 715 | printf(" %s\n", _("List of valid SSL ciphers")); |
| 605 | 716 | ||
| 717 | printf(UT_OUTPUT_FORMAT); | ||
| 718 | |||
| 606 | printf("\n"); | 719 | printf("\n"); |
| 607 | printf(" %s\n", _("There are no required arguments. By default, the local database is checked")); | 720 | printf(" %s\n", |
| 721 | _("There are no required arguments. By default, the local database is checked")); | ||
| 608 | printf(" %s\n", _("using the default unix socket. You can force TCP on localhost by using an")); | 722 | printf(" %s\n", _("using the default unix socket. You can force TCP on localhost by using an")); |
| 609 | printf(" %s\n", _("IP address or FQDN ('localhost' will use the socket as well).")); | 723 | printf(" %s\n", _("IP address or FQDN ('localhost' will use the socket as well).")); |
| 610 | 724 | ||
