struct mysql_database_s /* {{{ */
{
- char *instance;
- char *alias;
- char *host;
- char *user;
- char *pass;
- char *database;
-
- /* mysql_ssl_set params */
- char *key;
- char *cert;
- char *ca;
- char *capath;
- char *cipher;
-
- char *socket;
- int port;
- int timeout;
-
- _Bool master_stats;
- _Bool slave_stats;
- _Bool innodb_stats;
- _Bool wsrep_stats;
-
- _Bool slave_notif;
- _Bool slave_io_running;
- _Bool slave_sql_running;
-
- MYSQL *con;
- _Bool is_connected;
+ char *instance;
+ char *alias;
+ char *host;
+ char *user;
+ char *pass;
+ char *database;
+
+ /* mysql_ssl_set params */
+ char *key;
+ char *cert;
+ char *ca;
+ char *capath;
+ char *cipher;
+
+ char *socket;
+ int port;
+ int timeout;
+
+ _Bool master_stats;
+ _Bool slave_stats;
+ _Bool innodb_stats;
+ _Bool wsrep_stats;
+
+ _Bool slave_notif;
+ _Bool slave_io_running;
+ _Bool slave_sql_running;
+
+ MYSQL *con;
+ _Bool is_connected;
};
typedef struct mysql_database_s mysql_database_t; /* }}} */
-static int mysql_read (user_data_t *ud);
+static int mysql_read(user_data_t *ud);
-static void mysql_database_free (void *arg) /* {{{ */
+static void mysql_database_free(void *arg) /* {{{ */
{
- mysql_database_t *db;
-
- DEBUG ("mysql plugin: mysql_database_free (arg = %p);", arg);
-
- db = arg;
-
- if (db == NULL)
- return;
-
- if (db->con != NULL)
- mysql_close (db->con);
-
- sfree (db->alias);
- sfree (db->host);
- sfree (db->user);
- sfree (db->pass);
- sfree (db->socket);
- sfree (db->instance);
- sfree (db->database);
- sfree (db->key);
- sfree (db->cert);
- sfree (db->ca);
- sfree (db->capath);
- sfree (db->cipher);
- sfree (db);
+ mysql_database_t *db;
+
+ DEBUG("mysql plugin: mysql_database_free (arg = %p);", arg);
+
+ db = arg;
+
+ if (db == NULL)
+ return;
+
+ if (db->con != NULL)
+ mysql_close(db->con);
+
+ sfree(db->alias);
+ sfree(db->host);
+ sfree(db->user);
+ sfree(db->pass);
+ sfree(db->socket);
+ sfree(db->instance);
+ sfree(db->database);
+ sfree(db->key);
+ sfree(db->cert);
+ sfree(db->ca);
+ sfree(db->capath);
+ sfree(db->cipher);
+ sfree(db);
} /* }}} void mysql_database_free */
/* Configuration handling functions {{{
* </Database>
* </Plugin>
*/
-static int mysql_config_database (oconfig_item_t *ci) /* {{{ */
+static int mysql_config_database(oconfig_item_t *ci) /* {{{ */
{
- mysql_database_t *db;
- int status = 0;
-
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("mysql plugin: The `Database' block "
- "needs exactly one string argument.");
- return (-1);
- }
-
- db = calloc (1, sizeof (*db));
- if (db == NULL)
- {
- ERROR ("mysql plugin: calloc failed.");
- return (-1);
- }
-
- /* initialize all the pointers */
- db->alias = NULL;
- db->host = NULL;
- db->user = NULL;
- db->pass = NULL;
- db->database = NULL;
- db->key = NULL;
- db->cert = NULL;
- db->ca = NULL;
- db->capath = NULL;
- db->cipher = NULL;
-
- db->socket = NULL;
- db->con = NULL;
- db->timeout = 0;
-
- /* trigger a notification, if it's not running */
- db->slave_io_running = 1;
- db->slave_sql_running = 1;
-
- status = cf_util_get_string (ci, &db->instance);
- if (status != 0)
- {
- sfree (db);
- return (status);
- }
- assert (db->instance != NULL);
-
- /* Fill the `mysql_database_t' structure.. */
- for (int i = 0; i < ci->children_num; i++)
- {
- oconfig_item_t *child = ci->children + i;
-
- if (strcasecmp ("Alias", child->key) == 0)
- status = cf_util_get_string (child, &db->alias);
- else if (strcasecmp ("Host", child->key) == 0)
- status = cf_util_get_string (child, &db->host);
- else if (strcasecmp ("User", child->key) == 0)
- status = cf_util_get_string (child, &db->user);
- else if (strcasecmp ("Password", child->key) == 0)
- status = cf_util_get_string (child, &db->pass);
- else if (strcasecmp ("Port", child->key) == 0)
- {
- status = cf_util_get_port_number (child);
- if (status > 0)
- {
- db->port = status;
- status = 0;
- }
- }
- else if (strcasecmp ("Socket", child->key) == 0)
- status = cf_util_get_string (child, &db->socket);
- else if (strcasecmp ("Database", child->key) == 0)
- status = cf_util_get_string (child, &db->database);
- else if (strcasecmp ("SSLKey", child->key) == 0)
- status = cf_util_get_string (child, &db->key);
- else if (strcasecmp ("SSLCert", child->key) == 0)
- status = cf_util_get_string (child, &db->cert);
- else if (strcasecmp ("SSLCA", child->key) == 0)
- status = cf_util_get_string (child, &db->ca);
- else if (strcasecmp ("SSLCAPath", child->key) == 0)
- status = cf_util_get_string (child, &db->capath);
- else if (strcasecmp ("SSLCipher", child->key) == 0)
- status = cf_util_get_string (child, &db->cipher);
- else if (strcasecmp ("ConnectTimeout", child->key) == 0)
- status = cf_util_get_int (child, &db->timeout);
- else if (strcasecmp ("MasterStats", child->key) == 0)
- status = cf_util_get_boolean (child, &db->master_stats);
- else if (strcasecmp ("SlaveStats", child->key) == 0)
- status = cf_util_get_boolean (child, &db->slave_stats);
- else if (strcasecmp ("SlaveNotifications", child->key) == 0)
- status = cf_util_get_boolean (child, &db->slave_notif);
- else if (strcasecmp ("InnodbStats", child->key) == 0)
- status = cf_util_get_boolean (child, &db->innodb_stats);
- else if (strcasecmp ("WsrepStats", child->key) == 0)
- status = cf_util_get_boolean (child, &db->wsrep_stats);
- else
- {
- WARNING ("mysql plugin: Option `%s' not allowed here.", child->key);
- status = -1;
- }
-
- if (status != 0)
- break;
- }
-
- /* If all went well, register this database for reading */
- if (status == 0)
- {
- char cb_name[DATA_MAX_NAME_LEN];
-
- DEBUG ("mysql plugin: Registering new read callback: %s",
- (db->database != NULL) ? db->database : "<default>");
-
- if (db->instance != NULL)
- ssnprintf (cb_name, sizeof (cb_name), "mysql-%s",
- db->instance);
- else
- sstrncpy (cb_name, "mysql", sizeof (cb_name));
-
- plugin_register_complex_read (/* group = */ NULL, cb_name,
- mysql_read, /* interval = */ 0, &(user_data_t) {
- .data = db,
- .free_func = mysql_database_free,
- });
- }
- else
- {
- mysql_database_free (db);
- return (-1);
- }
-
- return (0);
+ mysql_database_t *db;
+ int status = 0;
+
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
+ WARNING("mysql plugin: The `Database' block "
+ "needs exactly one string argument.");
+ return (-1);
+ }
+
+ db = calloc(1, sizeof(*db));
+ if (db == NULL) {
+ ERROR("mysql plugin: calloc failed.");
+ return (-1);
+ }
+
+ /* initialize all the pointers */
+ db->alias = NULL;
+ db->host = NULL;
+ db->user = NULL;
+ db->pass = NULL;
+ db->database = NULL;
+ db->key = NULL;
+ db->cert = NULL;
+ db->ca = NULL;
+ db->capath = NULL;
+ db->cipher = NULL;
+
+ db->socket = NULL;
+ db->con = NULL;
+ db->timeout = 0;
+
+ /* trigger a notification, if it's not running */
+ db->slave_io_running = 1;
+ db->slave_sql_running = 1;
+
+ status = cf_util_get_string(ci, &db->instance);
+ if (status != 0) {
+ sfree(db);
+ return (status);
+ }
+ assert(db->instance != NULL);
+
+ /* Fill the `mysql_database_t' structure.. */
+ for (int i = 0; i < ci->children_num; i++) {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp("Alias", child->key) == 0)
+ status = cf_util_get_string(child, &db->alias);
+ else if (strcasecmp("Host", child->key) == 0)
+ status = cf_util_get_string(child, &db->host);
+ else if (strcasecmp("User", child->key) == 0)
+ status = cf_util_get_string(child, &db->user);
+ else if (strcasecmp("Password", child->key) == 0)
+ status = cf_util_get_string(child, &db->pass);
+ else if (strcasecmp("Port", child->key) == 0) {
+ status = cf_util_get_port_number(child);
+ if (status > 0) {
+ db->port = status;
+ status = 0;
+ }
+ } else if (strcasecmp("Socket", child->key) == 0)
+ status = cf_util_get_string(child, &db->socket);
+ else if (strcasecmp("Database", child->key) == 0)
+ status = cf_util_get_string(child, &db->database);
+ else if (strcasecmp("SSLKey", child->key) == 0)
+ status = cf_util_get_string(child, &db->key);
+ else if (strcasecmp("SSLCert", child->key) == 0)
+ status = cf_util_get_string(child, &db->cert);
+ else if (strcasecmp("SSLCA", child->key) == 0)
+ status = cf_util_get_string(child, &db->ca);
+ else if (strcasecmp("SSLCAPath", child->key) == 0)
+ status = cf_util_get_string(child, &db->capath);
+ else if (strcasecmp("SSLCipher", child->key) == 0)
+ status = cf_util_get_string(child, &db->cipher);
+ else if (strcasecmp("ConnectTimeout", child->key) == 0)
+ status = cf_util_get_int(child, &db->timeout);
+ else if (strcasecmp("MasterStats", child->key) == 0)
+ status = cf_util_get_boolean(child, &db->master_stats);
+ else if (strcasecmp("SlaveStats", child->key) == 0)
+ status = cf_util_get_boolean(child, &db->slave_stats);
+ else if (strcasecmp("SlaveNotifications", child->key) == 0)
+ status = cf_util_get_boolean(child, &db->slave_notif);
+ else if (strcasecmp("InnodbStats", child->key) == 0)
+ status = cf_util_get_boolean(child, &db->innodb_stats);
+ else if (strcasecmp("WsrepStats", child->key) == 0)
+ status = cf_util_get_boolean(child, &db->wsrep_stats);
+ else {
+ WARNING("mysql plugin: Option `%s' not allowed here.", child->key);
+ status = -1;
+ }
+
+ if (status != 0)
+ break;
+ }
+
+ /* If all went well, register this database for reading */
+ if (status == 0) {
+ char cb_name[DATA_MAX_NAME_LEN];
+
+ DEBUG("mysql plugin: Registering new read callback: %s",
+ (db->database != NULL) ? db->database : "<default>");
+
+ if (db->instance != NULL)
+ ssnprintf(cb_name, sizeof(cb_name), "mysql-%s", db->instance);
+ else
+ sstrncpy(cb_name, "mysql", sizeof(cb_name));
+
+ plugin_register_complex_read(
+ /* group = */ NULL, cb_name, mysql_read, /* interval = */ 0,
+ &(user_data_t){
+ .data = db, .free_func = mysql_database_free,
+ });
+ } else {
+ mysql_database_free(db);
+ return (-1);
+ }
+
+ return (0);
} /* }}} int mysql_config_database */
-static int mysql_config (oconfig_item_t *ci) /* {{{ */
+static int mysql_config(oconfig_item_t *ci) /* {{{ */
{
- if (ci == NULL)
- return (EINVAL);
-
- /* Fill the `mysql_database_t' structure.. */
- for (int i = 0; i < ci->children_num; i++)
- {
- oconfig_item_t *child = ci->children + i;
-
- if (strcasecmp ("Database", child->key) == 0)
- mysql_config_database (child);
- else
- WARNING ("mysql plugin: Option \"%s\" not allowed here.",
- child->key);
- }
-
- return (0);
+ if (ci == NULL)
+ return (EINVAL);
+
+ /* Fill the `mysql_database_t' structure.. */
+ for (int i = 0; i < ci->children_num; i++) {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp("Database", child->key) == 0)
+ mysql_config_database(child);
+ else
+ WARNING("mysql plugin: Option \"%s\" not allowed here.", child->key);
+ }
+
+ return (0);
} /* }}} int mysql_config */
/* }}} End of configuration handling functions */
-static MYSQL *getconnection (mysql_database_t *db)
-{
- const char *cipher;
-
- if (db->is_connected)
- {
- int status;
-
- status = mysql_ping (db->con);
- if (status == 0)
- return (db->con);
-
- WARNING ("mysql plugin: Lost connection to instance \"%s\": %s",
- db->instance, mysql_error (db->con));
- }
- db->is_connected = 0;
-
- if (db->con == NULL)
- {
- db->con = mysql_init (NULL);
- if (db->con == NULL)
- {
- ERROR ("mysql plugin: mysql_init failed: %s",
- mysql_error (db->con));
- return (NULL);
- }
- }
-
- /* Configure TCP connect timeout (default: 0) */
- db->con->options.connect_timeout = db->timeout;
-
- mysql_ssl_set (db->con, db->key, db->cert, db->ca, db->capath, db->cipher);
-
- if (mysql_real_connect (db->con, db->host, db->user, db->pass,
- db->database, db->port, db->socket, 0) == NULL)
- {
- ERROR ("mysql plugin: Failed to connect to database %s "
- "at server %s: %s",
- (db->database != NULL) ? db->database : "<none>",
- (db->host != NULL) ? db->host : "localhost",
- mysql_error (db->con));
- return (NULL);
- }
-
- cipher = mysql_get_ssl_cipher (db->con);
-
- INFO ("mysql plugin: Successfully connected to database %s "
- "at server %s with cipher %s "
- "(server version: %s, protocol version: %d) ",
- (db->database != NULL) ? db->database : "<none>",
- mysql_get_host_info (db->con),
- (cipher != NULL) ? cipher : "<none>",
- mysql_get_server_info (db->con),
- mysql_get_proto_info (db->con));
-
- db->is_connected = 1;
- return (db->con);
+static MYSQL *getconnection(mysql_database_t *db) {
+ const char *cipher;
+
+ if (db->is_connected) {
+ int status;
+
+ status = mysql_ping(db->con);
+ if (status == 0)
+ return (db->con);
+
+ WARNING("mysql plugin: Lost connection to instance \"%s\": %s",
+ db->instance, mysql_error(db->con));
+ }
+ db->is_connected = 0;
+
+ if (db->con == NULL) {
+ db->con = mysql_init(NULL);
+ if (db->con == NULL) {
+ ERROR("mysql plugin: mysql_init failed: %s", mysql_error(db->con));
+ return (NULL);
+ }
+ }
+
+ /* Configure TCP connect timeout (default: 0) */
+ db->con->options.connect_timeout = db->timeout;
+
+ mysql_ssl_set(db->con, db->key, db->cert, db->ca, db->capath, db->cipher);
+
+ if (mysql_real_connect(db->con, db->host, db->user, db->pass, db->database,
+ db->port, db->socket, 0) == NULL) {
+ ERROR("mysql plugin: Failed to connect to database %s "
+ "at server %s: %s",
+ (db->database != NULL) ? db->database : "<none>",
+ (db->host != NULL) ? db->host : "localhost", mysql_error(db->con));
+ return (NULL);
+ }
+
+ cipher = mysql_get_ssl_cipher(db->con);
+
+ INFO("mysql plugin: Successfully connected to database %s "
+ "at server %s with cipher %s "
+ "(server version: %s, protocol version: %d) ",
+ (db->database != NULL) ? db->database : "<none>",
+ mysql_get_host_info(db->con), (cipher != NULL) ? cipher : "<none>",
+ mysql_get_server_info(db->con), mysql_get_proto_info(db->con));
+
+ db->is_connected = 1;
+ return (db->con);
} /* static MYSQL *getconnection (mysql_database_t *db) */
-static void set_host (mysql_database_t *db, char *buf, size_t buflen)
-{
- if (db->alias)
- sstrncpy (buf, db->alias, buflen);
- else if ((db->host == NULL)
- || (strcmp ("", db->host) == 0)
- || (strcmp ("127.0.0.1", db->host) == 0)
- || (strcmp ("localhost", db->host) == 0))
- sstrncpy (buf, hostname_g, buflen);
- else
- sstrncpy (buf, db->host, buflen);
+static void set_host(mysql_database_t *db, char *buf, size_t buflen) {
+ if (db->alias)
+ sstrncpy(buf, db->alias, buflen);
+ else if ((db->host == NULL) || (strcmp("", db->host) == 0) ||
+ (strcmp("127.0.0.1", db->host) == 0) ||
+ (strcmp("localhost", db->host) == 0))
+ sstrncpy(buf, hostname_g, buflen);
+ else
+ sstrncpy(buf, db->host, buflen);
} /* void set_host */
-static void submit (const char *type, const char *type_instance,
- value_t *values, size_t values_len, mysql_database_t *db)
-{
- value_list_t vl = VALUE_LIST_INIT;
+static void submit(const char *type, const char *type_instance, value_t *values,
+ size_t values_len, mysql_database_t *db) {
+ value_list_t vl = VALUE_LIST_INIT;
- vl.values = values;
- vl.values_len = values_len;
+ vl.values = values;
+ vl.values_len = values_len;
- set_host (db, vl.host, sizeof (vl.host));
+ set_host(db, vl.host, sizeof(vl.host));
- sstrncpy (vl.plugin, "mysql", sizeof (vl.plugin));
+ sstrncpy(vl.plugin, "mysql", sizeof(vl.plugin));
- /* Assured by "mysql_config_database" */
- assert (db->instance != NULL);
- sstrncpy (vl.plugin_instance, db->instance, sizeof (vl.plugin_instance));
+ /* Assured by "mysql_config_database" */
+ assert(db->instance != NULL);
+ sstrncpy(vl.plugin_instance, db->instance, sizeof(vl.plugin_instance));
- sstrncpy (vl.type, type, sizeof (vl.type));
- if (type_instance != NULL)
- sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
+ sstrncpy(vl.type, type, sizeof(vl.type));
+ if (type_instance != NULL)
+ sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
- plugin_dispatch_values (&vl);
+ plugin_dispatch_values(&vl);
} /* submit */
-static void gauge_submit (const char *type, const char *type_instance,
- gauge_t value, mysql_database_t *db)
-{
- submit (type, type_instance, &(value_t) { .gauge = value }, 1, db);
+static void gauge_submit(const char *type, const char *type_instance,
+ gauge_t value, mysql_database_t *db) {
+ submit(type, type_instance, &(value_t){.gauge = value}, 1, db);
} /* void gauge_submit */
-static void derive_submit (const char *type, const char *type_instance,
- derive_t value, mysql_database_t *db)
-{
- submit (type, type_instance, &(value_t) { .derive = value }, 1, db);
+static void derive_submit(const char *type, const char *type_instance,
+ derive_t value, mysql_database_t *db) {
+ submit(type, type_instance, &(value_t){.derive = value}, 1, db);
} /* void derive_submit */
-static void traffic_submit (derive_t rx, derive_t tx, mysql_database_t *db)
-{
- value_t values[] = {
- { .derive = rx },
- { .derive = tx },
- };
+static void traffic_submit(derive_t rx, derive_t tx, mysql_database_t *db) {
+ value_t values[] = {
+ {.derive = rx}, {.derive = tx},
+ };
- submit ("mysql_octets", NULL, values, STATIC_ARRAY_SIZE (values), db);
+ submit("mysql_octets", NULL, values, STATIC_ARRAY_SIZE(values), db);
} /* void traffic_submit */
-static MYSQL_RES *exec_query (MYSQL *con, const char *query)
-{
- MYSQL_RES *res;
-
- int query_len = strlen (query);
-
- if (mysql_real_query (con, query, query_len))
- {
- ERROR ("mysql plugin: Failed to execute query: %s",
- mysql_error (con));
- INFO ("mysql plugin: SQL query was: %s", query);
- return (NULL);
- }
-
- res = mysql_store_result (con);
- if (res == NULL)
- {
- ERROR ("mysql plugin: Failed to store query result: %s",
- mysql_error (con));
- INFO ("mysql plugin: SQL query was: %s", query);
- return (NULL);
- }
-
- return (res);
+static MYSQL_RES *exec_query(MYSQL *con, const char *query) {
+ MYSQL_RES *res;
+
+ int query_len = strlen(query);
+
+ if (mysql_real_query(con, query, query_len)) {
+ ERROR("mysql plugin: Failed to execute query: %s", mysql_error(con));
+ INFO("mysql plugin: SQL query was: %s", query);
+ return (NULL);
+ }
+
+ res = mysql_store_result(con);
+ if (res == NULL) {
+ ERROR("mysql plugin: Failed to store query result: %s", mysql_error(con));
+ INFO("mysql plugin: SQL query was: %s", query);
+ return (NULL);
+ }
+
+ return (res);
} /* exec_query */
-static int mysql_read_master_stats (mysql_database_t *db, MYSQL *con)
-{
- MYSQL_RES *res;
- MYSQL_ROW row;
-
- const char *query;
- int field_num;
- unsigned long long position;
-
- query = "SHOW MASTER STATUS";
-
- res = exec_query (con, query);
- if (res == NULL)
- return (-1);
-
- row = mysql_fetch_row (res);
- if (row == NULL)
- {
- ERROR ("mysql plugin: Failed to get master statistics: "
- "`%s' did not return any rows.", query);
- mysql_free_result (res);
- return (-1);
- }
-
- field_num = mysql_num_fields (res);
- if (field_num < 2)
- {
- ERROR ("mysql plugin: Failed to get master statistics: "
- "`%s' returned less than two columns.", query);
- mysql_free_result (res);
- return (-1);
- }
-
- position = atoll (row[1]);
- derive_submit ("mysql_log_position", "master-bin", position, db);
-
- row = mysql_fetch_row (res);
- if (row != NULL)
- WARNING ("mysql plugin: `%s' returned more than one row - "
- "ignoring further results.", query);
-
- mysql_free_result (res);
-
- return (0);
+static int mysql_read_master_stats(mysql_database_t *db, MYSQL *con) {
+ MYSQL_RES *res;
+ MYSQL_ROW row;
+
+ const char *query;
+ int field_num;
+ unsigned long long position;
+
+ query = "SHOW MASTER STATUS";
+
+ res = exec_query(con, query);
+ if (res == NULL)
+ return (-1);
+
+ row = mysql_fetch_row(res);
+ if (row == NULL) {
+ ERROR("mysql plugin: Failed to get master statistics: "
+ "`%s' did not return any rows.",
+ query);
+ mysql_free_result(res);
+ return (-1);
+ }
+
+ field_num = mysql_num_fields(res);
+ if (field_num < 2) {
+ ERROR("mysql plugin: Failed to get master statistics: "
+ "`%s' returned less than two columns.",
+ query);
+ mysql_free_result(res);
+ return (-1);
+ }
+
+ position = atoll(row[1]);
+ derive_submit("mysql_log_position", "master-bin", position, db);
+
+ row = mysql_fetch_row(res);
+ if (row != NULL)
+ WARNING("mysql plugin: `%s' returned more than one row - "
+ "ignoring further results.",
+ query);
+
+ mysql_free_result(res);
+
+ return (0);
} /* mysql_read_master_stats */
-static int mysql_read_slave_stats (mysql_database_t *db, MYSQL *con)
-{
- MYSQL_RES *res;
- MYSQL_ROW row;
-
- const char *query;
- int field_num;
-
- /* WTF? libmysqlclient does not seem to provide any means to
- * translate a column name to a column index ... :-/ */
- const int READ_MASTER_LOG_POS_IDX = 6;
- const int SLAVE_IO_RUNNING_IDX = 10;
- const int SLAVE_SQL_RUNNING_IDX = 11;
- const int EXEC_MASTER_LOG_POS_IDX = 21;
- const int SECONDS_BEHIND_MASTER_IDX = 32;
-
- query = "SHOW SLAVE STATUS";
-
- res = exec_query (con, query);
- if (res == NULL)
- return (-1);
-
- row = mysql_fetch_row (res);
- if (row == NULL)
- {
- ERROR ("mysql plugin: Failed to get slave statistics: "
- "`%s' did not return any rows.", query);
- mysql_free_result (res);
- return (-1);
- }
-
- field_num = mysql_num_fields (res);
- if (field_num < 33)
- {
- ERROR ("mysql plugin: Failed to get slave statistics: "
- "`%s' returned less than 33 columns.", query);
- mysql_free_result (res);
- return (-1);
- }
-
- if (db->slave_stats)
- {
- unsigned long long counter;
- double gauge;
-
- counter = atoll (row[READ_MASTER_LOG_POS_IDX]);
- derive_submit ("mysql_log_position", "slave-read", counter, db);
-
- counter = atoll (row[EXEC_MASTER_LOG_POS_IDX]);
- derive_submit ("mysql_log_position", "slave-exec", counter, db);
-
- if (row[SECONDS_BEHIND_MASTER_IDX] != NULL)
- {
- gauge = atof (row[SECONDS_BEHIND_MASTER_IDX]);
- gauge_submit ("time_offset", NULL, gauge, db);
- }
- }
-
- if (db->slave_notif)
- {
- notification_t n = { 0, cdtime (), "", "",
- "mysql", "", "time_offset", "", NULL };
-
- char *io, *sql;
-
- io = row[SLAVE_IO_RUNNING_IDX];
- sql = row[SLAVE_SQL_RUNNING_IDX];
-
- set_host (db, n.host, sizeof (n.host));
-
- /* Assured by "mysql_config_database" */
- assert (db->instance != NULL);
- sstrncpy (n.plugin_instance, db->instance, sizeof (n.plugin_instance));
-
- if (((io == NULL) || (strcasecmp (io, "yes") != 0))
- && (db->slave_io_running))
- {
- n.severity = NOTIF_WARNING;
- ssnprintf (n.message, sizeof (n.message),
- "slave I/O thread not started or not connected to master");
- plugin_dispatch_notification (&n);
- db->slave_io_running = 0;
- }
- else if (((io != NULL) && (strcasecmp (io, "yes") == 0))
- && (! db->slave_io_running))
- {
- n.severity = NOTIF_OKAY;
- ssnprintf (n.message, sizeof (n.message),
- "slave I/O thread started and connected to master");
- plugin_dispatch_notification (&n);
- db->slave_io_running = 1;
- }
-
- if (((sql == NULL) || (strcasecmp (sql, "yes") != 0))
- && (db->slave_sql_running))
- {
- n.severity = NOTIF_WARNING;
- ssnprintf (n.message, sizeof (n.message),
- "slave SQL thread not started");
- plugin_dispatch_notification (&n);
- db->slave_sql_running = 0;
- }
- else if (((sql != NULL) && (strcasecmp (sql, "yes") == 0))
- && (! db->slave_sql_running))
- {
- n.severity = NOTIF_OKAY;
- ssnprintf (n.message, sizeof (n.message),
- "slave SQL thread started");
- plugin_dispatch_notification (&n);
- db->slave_sql_running = 1;
- }
- }
-
- row = mysql_fetch_row (res);
- if (row != NULL)
- WARNING ("mysql plugin: `%s' returned more than one row - "
- "ignoring further results.", query);
-
- mysql_free_result (res);
-
- return (0);
+static int mysql_read_slave_stats(mysql_database_t *db, MYSQL *con) {
+ MYSQL_RES *res;
+ MYSQL_ROW row;
+
+ const char *query;
+ int field_num;
+
+ /* WTF? libmysqlclient does not seem to provide any means to
+ * translate a column name to a column index ... :-/ */
+ const int READ_MASTER_LOG_POS_IDX = 6;
+ const int SLAVE_IO_RUNNING_IDX = 10;
+ const int SLAVE_SQL_RUNNING_IDX = 11;
+ const int EXEC_MASTER_LOG_POS_IDX = 21;
+ const int SECONDS_BEHIND_MASTER_IDX = 32;
+
+ query = "SHOW SLAVE STATUS";
+
+ res = exec_query(con, query);
+ if (res == NULL)
+ return (-1);
+
+ row = mysql_fetch_row(res);
+ if (row == NULL) {
+ ERROR("mysql plugin: Failed to get slave statistics: "
+ "`%s' did not return any rows.",
+ query);
+ mysql_free_result(res);
+ return (-1);
+ }
+
+ field_num = mysql_num_fields(res);
+ if (field_num < 33) {
+ ERROR("mysql plugin: Failed to get slave statistics: "
+ "`%s' returned less than 33 columns.",
+ query);
+ mysql_free_result(res);
+ return (-1);
+ }
+
+ if (db->slave_stats) {
+ unsigned long long counter;
+ double gauge;
+
+ counter = atoll(row[READ_MASTER_LOG_POS_IDX]);
+ derive_submit("mysql_log_position", "slave-read", counter, db);
+
+ counter = atoll(row[EXEC_MASTER_LOG_POS_IDX]);
+ derive_submit("mysql_log_position", "slave-exec", counter, db);
+
+ if (row[SECONDS_BEHIND_MASTER_IDX] != NULL) {
+ gauge = atof(row[SECONDS_BEHIND_MASTER_IDX]);
+ gauge_submit("time_offset", NULL, gauge, db);
+ }
+ }
+
+ if (db->slave_notif) {
+ notification_t n = {0, cdtime(), "", "", "mysql",
+ "", "time_offset", "", NULL};
+
+ char *io, *sql;
+
+ io = row[SLAVE_IO_RUNNING_IDX];
+ sql = row[SLAVE_SQL_RUNNING_IDX];
+
+ set_host(db, n.host, sizeof(n.host));
+
+ /* Assured by "mysql_config_database" */
+ assert(db->instance != NULL);
+ sstrncpy(n.plugin_instance, db->instance, sizeof(n.plugin_instance));
+
+ if (((io == NULL) || (strcasecmp(io, "yes") != 0)) &&
+ (db->slave_io_running)) {
+ n.severity = NOTIF_WARNING;
+ ssnprintf(n.message, sizeof(n.message),
+ "slave I/O thread not started or not connected to master");
+ plugin_dispatch_notification(&n);
+ db->slave_io_running = 0;
+ } else if (((io != NULL) && (strcasecmp(io, "yes") == 0)) &&
+ (!db->slave_io_running)) {
+ n.severity = NOTIF_OKAY;
+ ssnprintf(n.message, sizeof(n.message),
+ "slave I/O thread started and connected to master");
+ plugin_dispatch_notification(&n);
+ db->slave_io_running = 1;
+ }
+
+ if (((sql == NULL) || (strcasecmp(sql, "yes") != 0)) &&
+ (db->slave_sql_running)) {
+ n.severity = NOTIF_WARNING;
+ ssnprintf(n.message, sizeof(n.message), "slave SQL thread not started");
+ plugin_dispatch_notification(&n);
+ db->slave_sql_running = 0;
+ } else if (((sql != NULL) && (strcasecmp(sql, "yes") == 0)) &&
+ (!db->slave_sql_running)) {
+ n.severity = NOTIF_OKAY;
+ ssnprintf(n.message, sizeof(n.message), "slave SQL thread started");
+ plugin_dispatch_notification(&n);
+ db->slave_sql_running = 1;
+ }
+ }
+
+ row = mysql_fetch_row(res);
+ if (row != NULL)
+ WARNING("mysql plugin: `%s' returned more than one row - "
+ "ignoring further results.",
+ query);
+
+ mysql_free_result(res);
+
+ return (0);
} /* mysql_read_slave_stats */
-static int mysql_read_innodb_stats (mysql_database_t *db, MYSQL *con)
-{
- MYSQL_RES *res;
- MYSQL_ROW row;
-
- const char *query;
- struct {
- const char *key;
- const char *type;
- int ds_type;
- } metrics[] = {
- { "metadata_mem_pool_size", "bytes", DS_TYPE_GAUGE },
- { "lock_deadlocks", "mysql_locks", DS_TYPE_DERIVE },
- { "lock_timeouts", "mysql_locks", DS_TYPE_DERIVE },
- { "lock_row_lock_current_waits", "mysql_locks", DS_TYPE_DERIVE },
- { "buffer_pool_size", "bytes", DS_TYPE_GAUGE },
-
- { "os_log_bytes_written", "operations", DS_TYPE_DERIVE },
- { "os_log_pending_fsyncs", "operations", DS_TYPE_DERIVE },
- { "os_log_pending_writes", "operations", DS_TYPE_DERIVE },
-
- { "trx_rseg_history_len", "gauge", DS_TYPE_GAUGE },
-
- { "adaptive_hash_searches", "operations", DS_TYPE_DERIVE },
-
- { "file_num_open_files", "gauge", DS_TYPE_GAUGE },
-
- { "ibuf_merges_insert", "operations", DS_TYPE_DERIVE },
- { "ibuf_merges_delete_mark", "operations", DS_TYPE_DERIVE },
- { "ibuf_merges_delete", "operations", DS_TYPE_DERIVE },
- { "ibuf_merges_discard_insert", "operations", DS_TYPE_DERIVE },
- { "ibuf_merges_discard_delete_mark", "operations", DS_TYPE_DERIVE },
- { "ibuf_merges_discard_delete", "operations", DS_TYPE_DERIVE },
- { "ibuf_merges_discard_merges", "operations", DS_TYPE_DERIVE },
- { "ibuf_size", "bytes", DS_TYPE_GAUGE },
-
- { "innodb_activity_count", "gauge", DS_TYPE_GAUGE },
-
- { "innodb_rwlock_s_spin_waits", "operations", DS_TYPE_DERIVE },
- { "innodb_rwlock_x_spin_waits", "operations", DS_TYPE_DERIVE },
- { "innodb_rwlock_s_spin_rounds", "operations", DS_TYPE_DERIVE },
- { "innodb_rwlock_x_spin_rounds", "operations", DS_TYPE_DERIVE },
- { "innodb_rwlock_s_os_waits", "operations", DS_TYPE_DERIVE },
- { "innodb_rwlock_x_os_waits", "operations", DS_TYPE_DERIVE },
-
- { "dml_reads", "operations", DS_TYPE_DERIVE },
- { "dml_inserts", "operations", DS_TYPE_DERIVE },
- { "dml_deletes", "operations", DS_TYPE_DERIVE },
- { "dml_updates", "operations", DS_TYPE_DERIVE },
-
- { NULL, NULL, 0}
- };
-
- query = "SELECT name, count, type FROM information_schema.innodb_metrics WHERE status = 'enabled'";
-
- res = exec_query (con, query);
- if (res == NULL)
- return (-1);
-
- while ((row = mysql_fetch_row (res)))
- {
- int i;
- char *key;
- unsigned long long val;
-
- key = row[0];
- val = atoll (row[1]);
-
- for (i = 0; metrics[i].key != NULL && strcmp(metrics[i].key, key) != 0; i++)
- ;
-
- if (metrics[i].key == NULL)
- continue;
-
- switch (metrics[i].ds_type) {
- case DS_TYPE_COUNTER:
- derive_submit(metrics[i].type, key, (counter_t)val, db);
- break;
- case DS_TYPE_GAUGE:
- gauge_submit(metrics[i].type, key, (gauge_t)val, db);
- break;
- case DS_TYPE_DERIVE:
- derive_submit(metrics[i].type, key, (derive_t)val, db);
- break;
- }
- }
-
- mysql_free_result(res);
- return (0);
+static int mysql_read_innodb_stats(mysql_database_t *db, MYSQL *con) {
+ MYSQL_RES *res;
+ MYSQL_ROW row;
+
+ const char *query;
+ struct {
+ const char *key;
+ const char *type;
+ int ds_type;
+ } metrics[] = {
+ {"metadata_mem_pool_size", "bytes", DS_TYPE_GAUGE},
+ {"lock_deadlocks", "mysql_locks", DS_TYPE_DERIVE},
+ {"lock_timeouts", "mysql_locks", DS_TYPE_DERIVE},
+ {"lock_row_lock_current_waits", "mysql_locks", DS_TYPE_DERIVE},
+ {"buffer_pool_size", "bytes", DS_TYPE_GAUGE},
+
+ {"os_log_bytes_written", "operations", DS_TYPE_DERIVE},
+ {"os_log_pending_fsyncs", "operations", DS_TYPE_DERIVE},
+ {"os_log_pending_writes", "operations", DS_TYPE_DERIVE},
+
+ {"trx_rseg_history_len", "gauge", DS_TYPE_GAUGE},
+
+ {"adaptive_hash_searches", "operations", DS_TYPE_DERIVE},
+
+ {"file_num_open_files", "gauge", DS_TYPE_GAUGE},
+
+ {"ibuf_merges_insert", "operations", DS_TYPE_DERIVE},
+ {"ibuf_merges_delete_mark", "operations", DS_TYPE_DERIVE},
+ {"ibuf_merges_delete", "operations", DS_TYPE_DERIVE},
+ {"ibuf_merges_discard_insert", "operations", DS_TYPE_DERIVE},
+ {"ibuf_merges_discard_delete_mark", "operations", DS_TYPE_DERIVE},
+ {"ibuf_merges_discard_delete", "operations", DS_TYPE_DERIVE},
+ {"ibuf_merges_discard_merges", "operations", DS_TYPE_DERIVE},
+ {"ibuf_size", "bytes", DS_TYPE_GAUGE},
+
+ {"innodb_activity_count", "gauge", DS_TYPE_GAUGE},
+
+ {"innodb_rwlock_s_spin_waits", "operations", DS_TYPE_DERIVE},
+ {"innodb_rwlock_x_spin_waits", "operations", DS_TYPE_DERIVE},
+ {"innodb_rwlock_s_spin_rounds", "operations", DS_TYPE_DERIVE},
+ {"innodb_rwlock_x_spin_rounds", "operations", DS_TYPE_DERIVE},
+ {"innodb_rwlock_s_os_waits", "operations", DS_TYPE_DERIVE},
+ {"innodb_rwlock_x_os_waits", "operations", DS_TYPE_DERIVE},
+
+ {"dml_reads", "operations", DS_TYPE_DERIVE},
+ {"dml_inserts", "operations", DS_TYPE_DERIVE},
+ {"dml_deletes", "operations", DS_TYPE_DERIVE},
+ {"dml_updates", "operations", DS_TYPE_DERIVE},
+
+ {NULL, NULL, 0}};
+
+ query = "SELECT name, count, type FROM information_schema.innodb_metrics "
+ "WHERE status = 'enabled'";
+
+ res = exec_query(con, query);
+ if (res == NULL)
+ return (-1);
+
+ while ((row = mysql_fetch_row(res))) {
+ int i;
+ char *key;
+ unsigned long long val;
+
+ key = row[0];
+ val = atoll(row[1]);
+
+ for (i = 0; metrics[i].key != NULL && strcmp(metrics[i].key, key) != 0; i++)
+ ;
+
+ if (metrics[i].key == NULL)
+ continue;
+
+ switch (metrics[i].ds_type) {
+ case DS_TYPE_COUNTER:
+ derive_submit(metrics[i].type, key, (counter_t)val, db);
+ break;
+ case DS_TYPE_GAUGE:
+ gauge_submit(metrics[i].type, key, (gauge_t)val, db);
+ break;
+ case DS_TYPE_DERIVE:
+ derive_submit(metrics[i].type, key, (derive_t)val, db);
+ break;
+ }
+ }
+
+ mysql_free_result(res);
+ return (0);
}
-static int mysql_read_wsrep_stats (mysql_database_t *db, MYSQL *con)
-{
- MYSQL_RES *res;
- MYSQL_ROW row;
-
- const char *query;
- struct {
- const char *key;
- const char *type;
- int ds_type;
- } metrics[] = {
-
- { "wsrep_apply_oooe", "operations", DS_TYPE_DERIVE },
- { "wsrep_apply_oool", "operations", DS_TYPE_DERIVE },
- { "wsrep_causal_reads", "operations", DS_TYPE_DERIVE },
- { "wsrep_commit_oooe", "operations", DS_TYPE_DERIVE },
- { "wsrep_commit_oool", "operations", DS_TYPE_DERIVE },
- { "wsrep_flow_control_recv", "operations", DS_TYPE_DERIVE },
- { "wsrep_flow_control_sent", "operations", DS_TYPE_DERIVE },
- { "wsrep_flow_control_paused", "operations", DS_TYPE_DERIVE },
- { "wsrep_local_bf_aborts", "operations", DS_TYPE_DERIVE },
- { "wsrep_local_cert_failures", "operations", DS_TYPE_DERIVE },
- { "wsrep_local_commits", "operations", DS_TYPE_DERIVE },
- { "wsrep_local_replays", "operations", DS_TYPE_DERIVE },
- { "wsrep_received", "operations", DS_TYPE_DERIVE },
- { "wsrep_replicated", "operations", DS_TYPE_DERIVE },
-
- { "wsrep_received_bytes", "total_bytes", DS_TYPE_DERIVE },
- { "wsrep_replicated_bytes", "total_bytes", DS_TYPE_DERIVE },
-
- { "wsrep_apply_window", "gauge", DS_TYPE_GAUGE },
- { "wsrep_commit_window", "gauge", DS_TYPE_GAUGE },
-
- { "wsrep_cluster_size", "gauge", DS_TYPE_GAUGE },
- { "wsrep_cert_deps_distance", "gauge", DS_TYPE_GAUGE },
-
- { "wsrep_local_recv_queue", "queue_length", DS_TYPE_GAUGE },
- { "wsrep_local_send_queue", "queue_length", DS_TYPE_GAUGE },
-
- { NULL, NULL, 0}
-
- };
-
- query = "SHOW GLOBAL STATUS LIKE 'wsrep_%'";
-
- res = exec_query (con, query);
- if (res == NULL)
- return (-1);
-
- row = mysql_fetch_row (res);
- if (row == NULL)
- {
- ERROR ("mysql plugin: Failed to get wsrep statistics: "
- "`%s' did not return any rows.", query);
- mysql_free_result (res);
- return (-1);
- }
-
- while ((row = mysql_fetch_row (res)))
- {
- int i;
- char *key;
- unsigned long long val;
-
- key = row[0];
- val = atoll (row[1]);
-
- for (i = 0; metrics[i].key != NULL && strcmp(metrics[i].key, key) != 0; i++)
- ;
-
- if (metrics[i].key == NULL)
- continue;
-
- switch (metrics[i].ds_type) {
- case DS_TYPE_GAUGE:
- gauge_submit(metrics[i].type, key, (gauge_t)val, db);
- break;
- case DS_TYPE_DERIVE:
- derive_submit(metrics[i].type, key, (derive_t)val, db);
- break;
- }
- }
-
- mysql_free_result(res);
- return (0);
+static int mysql_read_wsrep_stats(mysql_database_t *db, MYSQL *con) {
+ MYSQL_RES *res;
+ MYSQL_ROW row;
+
+ const char *query;
+ struct {
+ const char *key;
+ const char *type;
+ int ds_type;
+ } metrics[] = {
+
+ {"wsrep_apply_oooe", "operations", DS_TYPE_DERIVE},
+ {"wsrep_apply_oool", "operations", DS_TYPE_DERIVE},
+ {"wsrep_causal_reads", "operations", DS_TYPE_DERIVE},
+ {"wsrep_commit_oooe", "operations", DS_TYPE_DERIVE},
+ {"wsrep_commit_oool", "operations", DS_TYPE_DERIVE},
+ {"wsrep_flow_control_recv", "operations", DS_TYPE_DERIVE},
+ {"wsrep_flow_control_sent", "operations", DS_TYPE_DERIVE},
+ {"wsrep_flow_control_paused", "operations", DS_TYPE_DERIVE},
+ {"wsrep_local_bf_aborts", "operations", DS_TYPE_DERIVE},
+ {"wsrep_local_cert_failures", "operations", DS_TYPE_DERIVE},
+ {"wsrep_local_commits", "operations", DS_TYPE_DERIVE},
+ {"wsrep_local_replays", "operations", DS_TYPE_DERIVE},
+ {"wsrep_received", "operations", DS_TYPE_DERIVE},
+ {"wsrep_replicated", "operations", DS_TYPE_DERIVE},
+
+ {"wsrep_received_bytes", "total_bytes", DS_TYPE_DERIVE},
+ {"wsrep_replicated_bytes", "total_bytes", DS_TYPE_DERIVE},
+
+ {"wsrep_apply_window", "gauge", DS_TYPE_GAUGE},
+ {"wsrep_commit_window", "gauge", DS_TYPE_GAUGE},
+
+ {"wsrep_cluster_size", "gauge", DS_TYPE_GAUGE},
+ {"wsrep_cert_deps_distance", "gauge", DS_TYPE_GAUGE},
+
+ {"wsrep_local_recv_queue", "queue_length", DS_TYPE_GAUGE},
+ {"wsrep_local_send_queue", "queue_length", DS_TYPE_GAUGE},
+
+ {NULL, NULL, 0}
+
+ };
+
+ query = "SHOW GLOBAL STATUS LIKE 'wsrep_%'";
+
+ res = exec_query(con, query);
+ if (res == NULL)
+ return (-1);
+
+ row = mysql_fetch_row(res);
+ if (row == NULL) {
+ ERROR("mysql plugin: Failed to get wsrep statistics: "
+ "`%s' did not return any rows.",
+ query);
+ mysql_free_result(res);
+ return (-1);
+ }
+
+ while ((row = mysql_fetch_row(res))) {
+ int i;
+ char *key;
+ unsigned long long val;
+
+ key = row[0];
+ val = atoll(row[1]);
+
+ for (i = 0; metrics[i].key != NULL && strcmp(metrics[i].key, key) != 0; i++)
+ ;
+
+ if (metrics[i].key == NULL)
+ continue;
+
+ switch (metrics[i].ds_type) {
+ case DS_TYPE_GAUGE:
+ gauge_submit(metrics[i].type, key, (gauge_t)val, db);
+ break;
+ case DS_TYPE_DERIVE:
+ derive_submit(metrics[i].type, key, (derive_t)val, db);
+ break;
+ }
+ }
+
+ mysql_free_result(res);
+ return (0);
} /* mysql_read_wsrep_stats */
-static int mysql_read (user_data_t *ud)
-{
- mysql_database_t *db;
- MYSQL *con;
- MYSQL_RES *res;
- MYSQL_ROW row;
- const char *query;
-
- derive_t qcache_hits = 0;
- derive_t qcache_inserts = 0;
- derive_t qcache_not_cached = 0;
- derive_t qcache_lowmem_prunes = 0;
- gauge_t qcache_queries_in_cache = NAN;
-
- gauge_t threads_running = NAN;
- gauge_t threads_connected = NAN;
- gauge_t threads_cached = NAN;
- derive_t threads_created = 0;
-
- unsigned long long traffic_incoming = 0ULL;
- unsigned long long traffic_outgoing = 0ULL;
- unsigned long mysql_version = 0ULL;
-
- if ((ud == NULL) || (ud->data == NULL))
- {
- ERROR ("mysql plugin: mysql_database_read: Invalid user data.");
- return (-1);
- }
-
- db = (mysql_database_t *) ud->data;
-
- /* An error message will have been printed in this case */
- if ((con = getconnection (db)) == NULL)
- return (-1);
-
- mysql_version = mysql_get_server_version(con);
-
- query = "SHOW STATUS";
- if (mysql_version >= 50002)
- query = "SHOW GLOBAL STATUS";
-
- res = exec_query (con, query);
- if (res == NULL)
- return (-1);
-
- while ((row = mysql_fetch_row (res)))
- {
- char *key;
- unsigned long long val;
-
- key = row[0];
- val = atoll (row[1]);
-
- if (strncmp (key, "Com_",
- strlen ("Com_")) == 0)
- {
- if (val == 0ULL)
- continue;
-
- /* Ignore `prepared statements' */
- if (strncmp (key, "Com_stmt_", strlen ("Com_stmt_")) != 0)
- derive_submit ("mysql_commands",
- key + strlen ("Com_"),
- val, db);
- }
- else if (strncmp (key, "Handler_",
- strlen ("Handler_")) == 0)
- {
- if (val == 0ULL)
- continue;
-
- derive_submit ("mysql_handler",
- key + strlen ("Handler_"),
- val, db);
- }
- else if (strncmp (key, "Qcache_",
- strlen ("Qcache_")) == 0)
- {
- if (strcmp (key, "Qcache_hits") == 0)
- qcache_hits = (derive_t) val;
- else if (strcmp (key, "Qcache_inserts") == 0)
- qcache_inserts = (derive_t) val;
- else if (strcmp (key, "Qcache_not_cached") == 0)
- qcache_not_cached = (derive_t) val;
- else if (strcmp (key, "Qcache_lowmem_prunes") == 0)
- qcache_lowmem_prunes = (derive_t) val;
- else if (strcmp (key, "Qcache_queries_in_cache") == 0)
- qcache_queries_in_cache = (gauge_t) val;
- }
- else if (strncmp (key, "Bytes_",
- strlen ("Bytes_")) == 0)
- {
- if (strcmp (key, "Bytes_received") == 0)
- traffic_incoming += val;
- else if (strcmp (key, "Bytes_sent") == 0)
- traffic_outgoing += val;
- }
- else if (strncmp (key, "Threads_",
- strlen ("Threads_")) == 0)
- {
- if (strcmp (key, "Threads_running") == 0)
- threads_running = (gauge_t) val;
- else if (strcmp (key, "Threads_connected") == 0)
- threads_connected = (gauge_t) val;
- else if (strcmp (key, "Threads_cached") == 0)
- threads_cached = (gauge_t) val;
- else if (strcmp (key, "Threads_created") == 0)
- threads_created = (derive_t) val;
- }
- else if (strncmp (key, "Table_locks_",
- strlen ("Table_locks_")) == 0)
- {
- derive_submit ("mysql_locks",
- key + strlen ("Table_locks_"),
- val, db);
- }
- else if (db->innodb_stats && strncmp (key, "Innodb_", strlen ("Innodb_")) == 0)
- {
- /* buffer pool */
- if (strcmp (key, "Innodb_buffer_pool_pages_data") == 0)
- gauge_submit ("mysql_bpool_pages", "data", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_pages_dirty") == 0)
- gauge_submit ("mysql_bpool_pages", "dirty", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_pages_flushed") == 0)
- derive_submit ("mysql_bpool_counters", "pages_flushed", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_pages_free") == 0)
- gauge_submit ("mysql_bpool_pages", "free", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_pages_misc") == 0)
- gauge_submit ("mysql_bpool_pages", "misc", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_pages_total") == 0)
- gauge_submit ("mysql_bpool_pages", "total", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_read_ahead_rnd") == 0)
- derive_submit ("mysql_bpool_counters", "read_ahead_rnd", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_read_ahead") == 0)
- derive_submit ("mysql_bpool_counters", "read_ahead", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_read_ahead_evicted") == 0)
- derive_submit ("mysql_bpool_counters", "read_ahead_evicted", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_read_requests") == 0)
- derive_submit ("mysql_bpool_counters", "read_requests", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_reads") == 0)
- derive_submit ("mysql_bpool_counters", "reads", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_wait_free") == 0)
- derive_submit ("mysql_bpool_counters", "wait_free", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_write_requests") == 0)
- derive_submit ("mysql_bpool_counters", "write_requests", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_bytes_data") == 0)
- gauge_submit ("mysql_bpool_bytes", "data", val, db);
- else if (strcmp (key, "Innodb_buffer_pool_bytes_dirty") == 0)
- gauge_submit ("mysql_bpool_bytes", "dirty", val, db);
-
- /* data */
- if (strcmp (key, "Innodb_data_fsyncs") == 0)
- derive_submit ("mysql_innodb_data", "fsyncs", val, db);
- else if (strcmp (key, "Innodb_data_read") == 0)
- derive_submit ("mysql_innodb_data", "read", val, db);
- else if (strcmp (key, "Innodb_data_reads") == 0)
- derive_submit ("mysql_innodb_data", "reads", val, db);
- else if (strcmp (key, "Innodb_data_writes") == 0)
- derive_submit ("mysql_innodb_data", "writes", val, db);
- else if (strcmp (key, "Innodb_data_written") == 0)
- derive_submit ("mysql_innodb_data", "written", val, db);
-
- /* double write */
- else if (strcmp (key, "Innodb_dblwr_writes") == 0)
- derive_submit ("mysql_innodb_dblwr", "writes", val, db);
- else if (strcmp (key, "Innodb_dblwr_pages_written") == 0)
- derive_submit ("mysql_innodb_dblwr", "written", val, db);
- else if (strcmp (key, "Innodb_dblwr_page_size") == 0)
- gauge_submit ("mysql_innodb_dblwr", "page_size", val, db);
-
- /* log */
- else if (strcmp (key, "Innodb_log_waits") == 0)
- derive_submit ("mysql_innodb_log", "waits", val, db);
- else if (strcmp (key, "Innodb_log_write_requests") == 0)
- derive_submit ("mysql_innodb_log", "write_requests", val, db);
- else if (strcmp (key, "Innodb_log_writes") == 0)
- derive_submit ("mysql_innodb_log", "writes", val, db);
- else if (strcmp (key, "Innodb_os_log_fsyncs") == 0)
- derive_submit ("mysql_innodb_log", "fsyncs", val, db);
- else if (strcmp (key, "Innodb_os_log_written") == 0)
- derive_submit ("mysql_innodb_log", "written", val, db);
-
- /* pages */
- else if (strcmp (key, "Innodb_pages_created") == 0)
- derive_submit ("mysql_innodb_pages", "created", val, db);
- else if (strcmp (key, "Innodb_pages_read") == 0)
- derive_submit ("mysql_innodb_pages", "read", val, db);
- else if (strcmp (key, "Innodb_pages_written") == 0)
- derive_submit ("mysql_innodb_pages", "written", val, db);
-
- /* row lock */
- else if (strcmp (key, "Innodb_row_lock_time") == 0)
- derive_submit ("mysql_innodb_row_lock", "time", val, db);
- else if (strcmp (key, "Innodb_row_lock_waits") == 0)
- derive_submit ("mysql_innodb_row_lock", "waits", val, db);
-
- /* rows */
- else if (strcmp (key, "Innodb_rows_deleted") == 0)
- derive_submit ("mysql_innodb_rows", "deleted", val, db);
- else if (strcmp (key, "Innodb_rows_inserted") == 0)
- derive_submit ("mysql_innodb_rows", "inserted", val, db);
- else if (strcmp (key, "Innodb_rows_read") == 0)
- derive_submit ("mysql_innodb_rows", "read", val, db);
- else if (strcmp (key, "Innodb_rows_updated") == 0)
- derive_submit ("mysql_innodb_rows", "updated", val, db);
- }
- else if (strncmp (key, "Select_", strlen ("Select_")) == 0)
- {
- derive_submit ("mysql_select", key + strlen ("Select_"),
- val, db);
- }
- else if (strncmp (key, "Sort_", strlen ("Sort_")) == 0)
- {
- if (strcmp (key, "Sort_merge_passes") == 0)
- derive_submit ("mysql_sort_merge_passes", NULL, val, db);
- else if (strcmp (key, "Sort_rows") == 0)
- derive_submit ("mysql_sort_rows", NULL, val, db);
- else if (strcmp (key, "Sort_range") == 0)
- derive_submit ("mysql_sort", "range", val, db);
- else if (strcmp (key, "Sort_scan") == 0)
- derive_submit ("mysql_sort", "scan", val, db);
-
- }
- else if (strncmp (key, "Slow_queries", strlen ("Slow_queries")) == 0)
- {
- derive_submit ("mysql_slow_queries", NULL , val, db);
- }
- }
- mysql_free_result (res); res = NULL;
-
- if ((qcache_hits != 0)
- || (qcache_inserts != 0)
- || (qcache_not_cached != 0)
- || (qcache_lowmem_prunes != 0))
- {
- derive_submit ("cache_result", "qcache-hits",
- qcache_hits, db);
- derive_submit ("cache_result", "qcache-inserts",
- qcache_inserts, db);
- derive_submit ("cache_result", "qcache-not_cached",
- qcache_not_cached, db);
- derive_submit ("cache_result", "qcache-prunes",
- qcache_lowmem_prunes, db);
-
- gauge_submit ("cache_size", "qcache",
- qcache_queries_in_cache, db);
- }
-
- if (threads_created != 0)
- {
- gauge_submit ("threads", "running",
- threads_running, db);
- gauge_submit ("threads", "connected",
- threads_connected, db);
- gauge_submit ("threads", "cached",
- threads_cached, db);
-
- derive_submit ("total_threads", "created",
- threads_created, db);
- }
-
- traffic_submit (traffic_incoming, traffic_outgoing, db);
-
- if (mysql_version >= 50600 && db->innodb_stats)
- mysql_read_innodb_stats (db, con);
-
- if (db->master_stats)
- mysql_read_master_stats (db, con);
-
- if ((db->slave_stats) || (db->slave_notif))
- mysql_read_slave_stats (db, con);
-
- if (db->wsrep_stats)
- mysql_read_wsrep_stats (db, con);
-
- return (0);
+static int mysql_read(user_data_t *ud) {
+ mysql_database_t *db;
+ MYSQL *con;
+ MYSQL_RES *res;
+ MYSQL_ROW row;
+ const char *query;
+
+ derive_t qcache_hits = 0;
+ derive_t qcache_inserts = 0;
+ derive_t qcache_not_cached = 0;
+ derive_t qcache_lowmem_prunes = 0;
+ gauge_t qcache_queries_in_cache = NAN;
+
+ gauge_t threads_running = NAN;
+ gauge_t threads_connected = NAN;
+ gauge_t threads_cached = NAN;
+ derive_t threads_created = 0;
+
+ unsigned long long traffic_incoming = 0ULL;
+ unsigned long long traffic_outgoing = 0ULL;
+ unsigned long mysql_version = 0ULL;
+
+ if ((ud == NULL) || (ud->data == NULL)) {
+ ERROR("mysql plugin: mysql_database_read: Invalid user data.");
+ return (-1);
+ }
+
+ db = (mysql_database_t *)ud->data;
+
+ /* An error message will have been printed in this case */
+ if ((con = getconnection(db)) == NULL)
+ return (-1);
+
+ mysql_version = mysql_get_server_version(con);
+
+ query = "SHOW STATUS";
+ if (mysql_version >= 50002)
+ query = "SHOW GLOBAL STATUS";
+
+ res = exec_query(con, query);
+ if (res == NULL)
+ return (-1);
+
+ while ((row = mysql_fetch_row(res))) {
+ char *key;
+ unsigned long long val;
+
+ key = row[0];
+ val = atoll(row[1]);
+
+ if (strncmp(key, "Com_", strlen("Com_")) == 0) {
+ if (val == 0ULL)
+ continue;
+
+ /* Ignore `prepared statements' */
+ if (strncmp(key, "Com_stmt_", strlen("Com_stmt_")) != 0)
+ derive_submit("mysql_commands", key + strlen("Com_"), val, db);
+ } else if (strncmp(key, "Handler_", strlen("Handler_")) == 0) {
+ if (val == 0ULL)
+ continue;
+
+ derive_submit("mysql_handler", key + strlen("Handler_"), val, db);
+ } else if (strncmp(key, "Qcache_", strlen("Qcache_")) == 0) {
+ if (strcmp(key, "Qcache_hits") == 0)
+ qcache_hits = (derive_t)val;
+ else if (strcmp(key, "Qcache_inserts") == 0)
+ qcache_inserts = (derive_t)val;
+ else if (strcmp(key, "Qcache_not_cached") == 0)
+ qcache_not_cached = (derive_t)val;
+ else if (strcmp(key, "Qcache_lowmem_prunes") == 0)
+ qcache_lowmem_prunes = (derive_t)val;
+ else if (strcmp(key, "Qcache_queries_in_cache") == 0)
+ qcache_queries_in_cache = (gauge_t)val;
+ } else if (strncmp(key, "Bytes_", strlen("Bytes_")) == 0) {
+ if (strcmp(key, "Bytes_received") == 0)
+ traffic_incoming += val;
+ else if (strcmp(key, "Bytes_sent") == 0)
+ traffic_outgoing += val;
+ } else if (strncmp(key, "Threads_", strlen("Threads_")) == 0) {
+ if (strcmp(key, "Threads_running") == 0)
+ threads_running = (gauge_t)val;
+ else if (strcmp(key, "Threads_connected") == 0)
+ threads_connected = (gauge_t)val;
+ else if (strcmp(key, "Threads_cached") == 0)
+ threads_cached = (gauge_t)val;
+ else if (strcmp(key, "Threads_created") == 0)
+ threads_created = (derive_t)val;
+ } else if (strncmp(key, "Table_locks_", strlen("Table_locks_")) == 0) {
+ derive_submit("mysql_locks", key + strlen("Table_locks_"), val, db);
+ } else if (db->innodb_stats &&
+ strncmp(key, "Innodb_", strlen("Innodb_")) == 0) {
+ /* buffer pool */
+ if (strcmp(key, "Innodb_buffer_pool_pages_data") == 0)
+ gauge_submit("mysql_bpool_pages", "data", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_pages_dirty") == 0)
+ gauge_submit("mysql_bpool_pages", "dirty", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_pages_flushed") == 0)
+ derive_submit("mysql_bpool_counters", "pages_flushed", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_pages_free") == 0)
+ gauge_submit("mysql_bpool_pages", "free", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_pages_misc") == 0)
+ gauge_submit("mysql_bpool_pages", "misc", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_pages_total") == 0)
+ gauge_submit("mysql_bpool_pages", "total", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_read_ahead_rnd") == 0)
+ derive_submit("mysql_bpool_counters", "read_ahead_rnd", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_read_ahead") == 0)
+ derive_submit("mysql_bpool_counters", "read_ahead", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_read_ahead_evicted") == 0)
+ derive_submit("mysql_bpool_counters", "read_ahead_evicted", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_read_requests") == 0)
+ derive_submit("mysql_bpool_counters", "read_requests", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_reads") == 0)
+ derive_submit("mysql_bpool_counters", "reads", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_wait_free") == 0)
+ derive_submit("mysql_bpool_counters", "wait_free", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_write_requests") == 0)
+ derive_submit("mysql_bpool_counters", "write_requests", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_bytes_data") == 0)
+ gauge_submit("mysql_bpool_bytes", "data", val, db);
+ else if (strcmp(key, "Innodb_buffer_pool_bytes_dirty") == 0)
+ gauge_submit("mysql_bpool_bytes", "dirty", val, db);
+
+ /* data */
+ if (strcmp(key, "Innodb_data_fsyncs") == 0)
+ derive_submit("mysql_innodb_data", "fsyncs", val, db);
+ else if (strcmp(key, "Innodb_data_read") == 0)
+ derive_submit("mysql_innodb_data", "read", val, db);
+ else if (strcmp(key, "Innodb_data_reads") == 0)
+ derive_submit("mysql_innodb_data", "reads", val, db);
+ else if (strcmp(key, "Innodb_data_writes") == 0)
+ derive_submit("mysql_innodb_data", "writes", val, db);
+ else if (strcmp(key, "Innodb_data_written") == 0)
+ derive_submit("mysql_innodb_data", "written", val, db);
+
+ /* double write */
+ else if (strcmp(key, "Innodb_dblwr_writes") == 0)
+ derive_submit("mysql_innodb_dblwr", "writes", val, db);
+ else if (strcmp(key, "Innodb_dblwr_pages_written") == 0)
+ derive_submit("mysql_innodb_dblwr", "written", val, db);
+ else if (strcmp(key, "Innodb_dblwr_page_size") == 0)
+ gauge_submit("mysql_innodb_dblwr", "page_size", val, db);
+
+ /* log */
+ else if (strcmp(key, "Innodb_log_waits") == 0)
+ derive_submit("mysql_innodb_log", "waits", val, db);
+ else if (strcmp(key, "Innodb_log_write_requests") == 0)
+ derive_submit("mysql_innodb_log", "write_requests", val, db);
+ else if (strcmp(key, "Innodb_log_writes") == 0)
+ derive_submit("mysql_innodb_log", "writes", val, db);
+ else if (strcmp(key, "Innodb_os_log_fsyncs") == 0)
+ derive_submit("mysql_innodb_log", "fsyncs", val, db);
+ else if (strcmp(key, "Innodb_os_log_written") == 0)
+ derive_submit("mysql_innodb_log", "written", val, db);
+
+ /* pages */
+ else if (strcmp(key, "Innodb_pages_created") == 0)
+ derive_submit("mysql_innodb_pages", "created", val, db);
+ else if (strcmp(key, "Innodb_pages_read") == 0)
+ derive_submit("mysql_innodb_pages", "read", val, db);
+ else if (strcmp(key, "Innodb_pages_written") == 0)
+ derive_submit("mysql_innodb_pages", "written", val, db);
+
+ /* row lock */
+ else if (strcmp(key, "Innodb_row_lock_time") == 0)
+ derive_submit("mysql_innodb_row_lock", "time", val, db);
+ else if (strcmp(key, "Innodb_row_lock_waits") == 0)
+ derive_submit("mysql_innodb_row_lock", "waits", val, db);
+
+ /* rows */
+ else if (strcmp(key, "Innodb_rows_deleted") == 0)
+ derive_submit("mysql_innodb_rows", "deleted", val, db);
+ else if (strcmp(key, "Innodb_rows_inserted") == 0)
+ derive_submit("mysql_innodb_rows", "inserted", val, db);
+ else if (strcmp(key, "Innodb_rows_read") == 0)
+ derive_submit("mysql_innodb_rows", "read", val, db);
+ else if (strcmp(key, "Innodb_rows_updated") == 0)
+ derive_submit("mysql_innodb_rows", "updated", val, db);
+ } else if (strncmp(key, "Select_", strlen("Select_")) == 0) {
+ derive_submit("mysql_select", key + strlen("Select_"), val, db);
+ } else if (strncmp(key, "Sort_", strlen("Sort_")) == 0) {
+ if (strcmp(key, "Sort_merge_passes") == 0)
+ derive_submit("mysql_sort_merge_passes", NULL, val, db);
+ else if (strcmp(key, "Sort_rows") == 0)
+ derive_submit("mysql_sort_rows", NULL, val, db);
+ else if (strcmp(key, "Sort_range") == 0)
+ derive_submit("mysql_sort", "range", val, db);
+ else if (strcmp(key, "Sort_scan") == 0)
+ derive_submit("mysql_sort", "scan", val, db);
+
+ } else if (strncmp(key, "Slow_queries", strlen("Slow_queries")) == 0) {
+ derive_submit("mysql_slow_queries", NULL, val, db);
+ }
+ }
+ mysql_free_result(res);
+ res = NULL;
+
+ if ((qcache_hits != 0) || (qcache_inserts != 0) || (qcache_not_cached != 0) ||
+ (qcache_lowmem_prunes != 0)) {
+ derive_submit("cache_result", "qcache-hits", qcache_hits, db);
+ derive_submit("cache_result", "qcache-inserts", qcache_inserts, db);
+ derive_submit("cache_result", "qcache-not_cached", qcache_not_cached, db);
+ derive_submit("cache_result", "qcache-prunes", qcache_lowmem_prunes, db);
+
+ gauge_submit("cache_size", "qcache", qcache_queries_in_cache, db);
+ }
+
+ if (threads_created != 0) {
+ gauge_submit("threads", "running", threads_running, db);
+ gauge_submit("threads", "connected", threads_connected, db);
+ gauge_submit("threads", "cached", threads_cached, db);
+
+ derive_submit("total_threads", "created", threads_created, db);
+ }
+
+ traffic_submit(traffic_incoming, traffic_outgoing, db);
+
+ if (mysql_version >= 50600 && db->innodb_stats)
+ mysql_read_innodb_stats(db, con);
+
+ if (db->master_stats)
+ mysql_read_master_stats(db, con);
+
+ if ((db->slave_stats) || (db->slave_notif))
+ mysql_read_slave_stats(db, con);
+
+ if (db->wsrep_stats)
+ mysql_read_wsrep_stats(db, con);
+
+ return (0);
} /* int mysql_read */
-void module_register (void)
-{
- plugin_register_complex_config ("mysql", mysql_config);
+void module_register(void) {
+ plugin_register_complex_config("mysql", mysql_config);
} /* void module_register */
projects / collectd.git / blobdiff