/*************************************************************************** * Copyright (C) 10/2006 by Olaf Rempel * * razzor@kopf-tisch.de * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ #include #include #include #include "configfile.h" #include "helper.h" #include "list.h" #include "plugins.h" #include "p_mysql_helper.h" #define DS_TRAFFIC 1 #define DS_COMMANDS 2 #define DS_QCACHE 3 #define DS_THREADS 4 struct server_entry { struct list_head list; void *mysql; char *name; }; static LIST_HEAD(server_list); static char *traffic_ds_def = { "DS:bytes_received:COUNTER:90:0:U " "DS:bytes_sent:COUNTER:90:0:U " }; static char *commands_ds_def = { "DS:com_delete:COUNTER:90:0:U " "DS:com_insert:COUNTER:90:0:U " "DS:com_select:COUNTER:90:0:U " "DS:com_update:COUNTER:90:0:U " "DS:connections:COUNTER:90:0:U " "DS:questions:COUNTER:90:0:U " }; static char *qcache_ds_def = { "DS:qc_free_blocks:GAUGE:90:0:U " "DS:qc_free_memory:GAUGE:90:0:U " "DS:qc_hits:COUNTER:90:0:U " "DS:qc_inserts:COUNTER:90:0:U " "DS:qc_lowmem_prunes:COUNTER:90:0:U " "DS:qc_not_cached:COUNTER:90:0:U " "DS:qc_queries_in_cache:GAUGE:90:0:U " "DS:qc_total_blocks:GAUGE:90:0:U " }; static char *threads_ds_def = { "DS:threads_cached:GAUGE:90:0:U " "DS:threads_connected:GAUGE:90:0:U " "DS:threads_created:COUNTER:90:0:U " "DS:threads_running:GAUGE:90:0:U " }; static char * get_ds(int ds_id) { switch (ds_id) { case DS_TRAFFIC: return traffic_ds_def; case DS_COMMANDS: return commands_ds_def; case DS_QCACHE: return qcache_ds_def; case DS_THREADS: return threads_ds_def; default: return NULL; } } struct sammler_plugin plugin; static int probe(void) { struct mysql_stats stats; char filename[32]; int len; memset(&stats, 0, sizeof(struct mysql_stats)); struct server_entry *entry; list_for_each_entry(entry, &server_list, list) { if (ping_connection(entry->mysql) != 0) continue; if (get_stats(entry->mysql, &stats) != 0) continue; len = snprintf(filename, sizeof(filename), "mysql-traffic-%s.rrd", entry->name); if (len < 0 || len >= sizeof(filename)) continue; probe_submit(&plugin, filename, DS_TRAFFIC, "%llu:%llu", stats.bytes_received, stats.bytes_sent); len = snprintf(filename, sizeof(filename), "mysql-commands-%s.rrd", entry->name); if (len < 0 || len >= sizeof(filename)) continue; probe_submit(&plugin, filename, DS_COMMANDS, "%llu:%llu:%llu:%llu:%llu:%llu", stats.com_delete, stats.com_insert, stats.com_select, stats.com_update, stats.connections, stats.questions); len = snprintf(filename, sizeof(filename), "mysql-qcache-%s.rrd", entry->name); if (len < 0 || len >= sizeof(filename)) continue; probe_submit(&plugin, filename, DS_QCACHE, "%llu:%llu:%llu:%llu:%llu:%llu:%llu:%llu", stats.qc_free_blocks, stats.qc_free_memory, stats.qc_hits, stats.qc_inserts, stats.qc_lowmem_prunes, stats.qc_not_cached, stats.qc_queries_in_cache, stats.qc_total_blocks); len = snprintf(filename, sizeof(filename), "mysql-threads-%s.rrd", entry->name); if (len < 0 || len >= sizeof(filename)) continue; probe_submit(&plugin, filename, DS_THREADS, "%llu:%llu:%llu:%llu", stats.threads_cached, stats.threads_connected, stats.threads_created, stats.threads_running); } return 0; } static int init(void) { int retval = -1; struct conf_section *section; section = config_get_section("p_mysql"); if (section == NULL) { log_print(LOG_ERROR, "p_mysql: no config section found"); return -1; } struct conf_tupel *tupel; list_for_each_entry(tupel, §ion->tupel, list) { if (strcmp(tupel->option, "server")) continue; char *part[4]; int ret = strsplit(tupel->parameter, ",", part, 4); if (ret != 4) { log_print(LOG_ERROR, "p_mysql: parse error"); continue; } void *mysql = init_connection(part[1], part[2], part[3]); if (mysql == NULL) continue; struct server_entry *entry = malloc(sizeof(struct server_entry)); if (entry == NULL) { log_print(LOG_ERROR, "p_mysql: out of memory"); close_connection(mysql); continue; } entry->name = part[0]; entry->mysql = mysql; log_print(LOG_DEBUG, "p_mysql: added server '%s'", entry->name); list_add_tail(&entry->list, &server_list); retval = 0; } return retval; } static int fini(void) { struct server_entry *entry, *tmp; list_for_each_entry_safe(entry, tmp, &server_list, list) { close_connection(entry->mysql); free(entry); } return 0; } struct sammler_plugin plugin = { .name = "mysql", .interval = 60, .init = &init, .fini = &fini, .probe = &probe, .get_ds = &get_ds, };