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metric.go
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metric.go
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/*
* Open-Falcon
*
* Copyright (c) 2014-2018 Xiaomi, Inc. All Rights Reserved.
*
* This product is licensed to you under the Apache License, Version 2.0 (the "License").
* You may not use this product except in compliance with the License.
*
* This product may include a number of subcomponents with separate copyright notices
* and license terms. Your use of these subcomponents is subject to the terms and
* conditions of the subcomponent's license, as noted in the LICENSE file.
*/
package main
import (
"fmt"
"io"
"time"
"github.com/nxsre/mymon-n9e/common"
"github.com/ziutek/mymysql/mysql"
)
//DataType all variables should be monitor
var DataType = map[string]string{
"Innodb_buffer_pool_reads": DeltaPs,
"Innodb_buffer_pool_read_requests": DeltaPs,
"Innodb_buffer_pool_write_requests": DeltaPs,
"Innodb_compress_time": DeltaPs,
"Innodb_data_fsyncs": DeltaPs,
"Innodb_data_read": DeltaPs,
"Innodb_data_reads": DeltaPs,
"Innodb_data_writes": DeltaPs,
"Innodb_data_written": DeltaPs,
"Innodb_last_checkpoint_at": DeltaPs,
"Innodb_log_flushed_up_to": DeltaPs,
"Innodb_log_sequence_number": DeltaPs,
"Innodb_mutex_os_waits": DeltaPs,
"Innodb_mutex_spin_rounds": DeltaPs,
"Innodb_mutex_spin_waits": DeltaPs,
"Innodb_pages_flushed_up_to": DeltaPs,
"Innodb_rows_deleted": DeltaPs,
"Innodb_rows_inserted": DeltaPs,
"Innodb_rows_locked": DeltaPs,
"Innodb_rows_modified": DeltaPs,
"Innodb_rows_read": DeltaPs,
"Innodb_rows_updated": DeltaPs,
"Innodb_row_lock_time": DeltaPs,
"Innodb_row_lock_waits": DeltaPs,
"Innodb_uncompress_time": DeltaPs,
"Binlog_event_count": DeltaPs,
"Binlog_number": DeltaPs,
"Slave_count": DeltaPs,
"Com_admin_commands": DeltaPs,
"Com_assign_to_keycache": DeltaPs,
"Com_alter_db": DeltaPs,
"Com_alter_db_upgrade": DeltaPs,
"Com_alter_event": DeltaPs,
"Com_alter_function": DeltaPs,
"Com_alter_procedure": DeltaPs,
"Com_alter_server": DeltaPs,
"Com_alter_table": DeltaPs,
"Com_alter_tablespace": DeltaPs,
"Com_analyze": DeltaPs,
"Com_begin": DeltaPs,
"Com_binlog": DeltaPs,
"Com_call_procedure": DeltaPs,
"Com_change_db": DeltaPs,
"Com_change_master": DeltaPs,
"Com_check": DeltaPs,
"Com_checksum": DeltaPs,
"Com_commit": DeltaPs,
"Com_create_db": DeltaPs,
"Com_create_event": DeltaPs,
"Com_create_function": DeltaPs,
"Com_create_index": DeltaPs,
"Com_create_procedure": DeltaPs,
"Com_create_server": DeltaPs,
"Com_create_table": DeltaPs,
"Com_create_trigger": DeltaPs,
"Com_create_udf": DeltaPs,
"Com_create_user": DeltaPs,
"Com_create_view": DeltaPs,
"Com_dealloc_sql": DeltaPs,
"Com_delete": DeltaPs,
"Com_delete_multi": DeltaPs,
"Com_do": DeltaPs,
"Com_drop_db": DeltaPs,
"Com_drop_event": DeltaPs,
"Com_drop_function": DeltaPs,
"Com_drop_index": DeltaPs,
"Com_drop_procedure": DeltaPs,
"Com_drop_server": DeltaPs,
"Com_drop_table": DeltaPs,
"Com_drop_trigger": DeltaPs,
"Com_drop_user": DeltaPs,
"Com_drop_view": DeltaPs,
"Com_empty_query": DeltaPs,
"Com_execute_sql": DeltaPs,
"Com_flush": DeltaPs,
"Com_grant": DeltaPs,
"Com_ha_close": DeltaPs,
"Com_ha_open": DeltaPs,
"Com_ha_read": DeltaPs,
"Com_help": DeltaPs,
"Com_insert": DeltaPs,
"Com_insert_select": DeltaPs,
"Com_install_plugin": DeltaPs,
"Com_kill": DeltaPs,
"Com_load": DeltaPs,
"Com_lock_tables": DeltaPs,
"Com_optimize": DeltaPs,
"Com_preload_keys": DeltaPs,
"Com_prepare_sql": DeltaPs,
"Com_purge": DeltaPs,
"Com_purge_before_date": DeltaPs,
"Com_release_savepoint": DeltaPs,
"Com_rename_table": DeltaPs,
"Com_rename_user": DeltaPs,
"Com_repair": DeltaPs,
"Com_replace": DeltaPs,
"Com_replace_select": DeltaPs,
"Com_reset": DeltaPs,
"Com_resignal": DeltaPs,
"Com_revoke": DeltaPs,
"Com_revoke_all": DeltaPs,
"Com_rollback": DeltaPs,
"Com_rollback_to_savepoint": DeltaPs,
"Com_savepoint": DeltaPs,
"Com_select": DeltaPs,
"Com_set_option": DeltaPs,
"Com_signal": DeltaPs,
"Com_show_authors": DeltaPs,
"Com_show_binlog_events": DeltaPs,
"Com_show_binlogs": DeltaPs,
"Com_show_charsets": DeltaPs,
"Com_show_collations": DeltaPs,
"Com_show_contributors": DeltaPs,
"Com_show_create_db": DeltaPs,
"Com_show_create_event": DeltaPs,
"Com_show_create_func": DeltaPs,
"Com_show_create_proc": DeltaPs,
"Com_show_create_table": DeltaPs,
"Com_show_create_trigger": DeltaPs,
"Com_show_databases": DeltaPs,
"Com_show_engine_logs": DeltaPs,
"Com_show_engine_mutex": DeltaPs,
"Com_show_engine_status": DeltaPs,
"Com_show_events": DeltaPs,
"Com_show_errors": DeltaPs,
"Com_show_fields": DeltaPs,
"Com_show_function_status": DeltaPs,
"Com_show_grants": DeltaPs,
"Com_show_keys": DeltaPs,
"Com_show_master_status": DeltaPs,
"Com_show_open_tables": DeltaPs,
"Com_show_plugins": DeltaPs,
"Com_show_privileges": DeltaPs,
"Com_show_procedure_status": DeltaPs,
"Com_show_processlist": DeltaPs,
"Com_show_profile": DeltaPs,
"Com_show_profiles": DeltaPs,
"Com_show_relaylog_events": DeltaPs,
"Com_show_slave_hosts": DeltaPs,
"Com_show_slave_status": DeltaPs,
"Com_show_status": DeltaPs,
"Com_show_storage_engines": DeltaPs,
"Com_show_table_status": DeltaPs,
"Com_show_tables": DeltaPs,
"Com_show_triggers": DeltaPs,
"Com_show_variables": DeltaPs,
"Com_show_warnings": DeltaPs,
"Com_slave_start": DeltaPs,
"Com_slave_stop": DeltaPs,
"Com_stmt_close": DeltaPs,
"Com_stmt_execute": DeltaPs,
"Com_stmt_fetch": DeltaPs,
"Com_stmt_prepare": DeltaPs,
"Com_stmt_reprepare": DeltaPs,
"Com_stmt_reset": DeltaPs,
"Com_stmt_send_long_data": DeltaPs,
"Com_truncate": DeltaPs,
"Com_uninstall_plugin": DeltaPs,
"Com_unlock_tables": DeltaPs,
"Com_update": DeltaPs,
"Com_update_multi": DeltaPs,
"Com_xa_commit": DeltaPs,
"Com_xa_end": DeltaPs,
"Com_xa_prepare": DeltaPs,
"Com_xa_recover": DeltaPs,
"Com_xa_rollback": DeltaPs,
"Com_xa_start": DeltaPs,
"Com_alter_user": DeltaPs,
"Com_get_diagnostics": DeltaPs,
"Com_lock_tables_for_backup": DeltaPs,
"Com_lock_binlog_for_backup": DeltaPs,
"Com_purge_archived": DeltaPs,
"Com_purge_archived_before_date": DeltaPs,
"Com_show_client_statistics": DeltaPs,
"Com_show_function_code": DeltaPs,
"Com_show_index_statistics": DeltaPs,
"Com_show_procedure_code": DeltaPs,
"Com_show_slave_status_nolock": DeltaPs,
"Com_show_table_statistics": DeltaPs,
"Com_show_thread_statistics": DeltaPs,
"Com_show_user_statistics": DeltaPs,
"Com_unlock_binlog": DeltaPs,
"Handler_commit": DeltaPs,
"Handler_delete": DeltaPs,
"Handler_discover": DeltaPs,
"Handler_external_lock": DeltaPs,
"Handler_mrr_init": DeltaPs,
"Handler_prepare": DeltaPs,
"Handler_read_first": DeltaPs,
"Handler_read_key": DeltaPs,
"Handler_read_last": DeltaPs,
"Handler_read_next": DeltaPs,
"Handler_read_prev": DeltaPs,
"Handler_read_rnd": DeltaPs,
"Handler_read_rnd_next": DeltaPs,
"Handler_rollback": DeltaPs,
"Handler_savepoint": DeltaPs,
"Handler_savepoint_rollback": DeltaPs,
"Handler_update": DeltaPs,
"Handler_write": DeltaPs,
"Aborted_clients": DeltaPs,
"Aborted_connects": DeltaPs,
"Access_denied_errors": DeltaPs,
"Binlog_bytes_written": DeltaPs,
"Binlog_cache_disk_use": DeltaPs,
"Binlog_cache_use": DeltaPs,
"Binlog_stmt_cache_disk_use": DeltaPs,
"Binlog_stmt_cache_use": DeltaPs,
"Bytes_received": DeltaPs,
"Bytes_sent": DeltaPs,
"Connections": DeltaPs,
"Created_tmp_disk_tables": DeltaPs,
"Created_tmp_files": DeltaPs,
"Created_tmp_tables": DeltaPs,
"Opened_files": DeltaPs,
"Opened_tables": DeltaPs,
"Opened_table_definitions": DeltaPs,
"Qcache_hits": DeltaPs,
"Qcache_inserts": DeltaPs,
"Qcache_lowmem_prunes": DeltaPs,
"Qcache_not_cached": DeltaPs,
"Queries": DeltaPs,
"Questions": DeltaPs,
"Select_full_join": DeltaPs,
"Select_full_range_join": DeltaPs,
"Select_range_check": DeltaPs,
"Select_scan": DeltaPs,
"Slow_queries": DeltaPs,
"Sort_merge_passes": DeltaPs,
"Sort_range": DeltaPs,
"Sort_rows": DeltaPs,
"Sort_scan": DeltaPs,
"Table_locks_immediate": DeltaPs,
"Table_locks_waited": DeltaPs,
"Threads_created": DeltaPs,
"Rpl_semi_sync_master_net_wait_time": DeltaPs,
"Rpl_semi_sync_master_net_waits": DeltaPs,
"Rpl_semi_sync_master_no_times": DeltaPs,
"Rpl_semi_sync_master_no_tx": DeltaPs,
"Rpl_semi_sync_master_yes_tx": DeltaPs,
"Rpl_semi_sync_master_tx_wait_time": DeltaPs,
"Rpl_semi_sync_master_tx_waits": DeltaPs,
}
// SlaveStatus not all slave status send to falcon-agent, this is a filter
var SlaveStatus = []string{
"Exec_Master_Log_Pos",
"Read_Master_Log_Pos",
"Relay_Log_Pos",
"Seconds_Behind_Master",
"Slave_IO_Running",
"Slave_SQL_Running",
}
func dataType(k string) string {
if v, ok := DataType[k]; ok {
return v
}
return Origin
}
// MetaData is the json obj to output
type MetaData struct {
Metric string `json:"metric"` // metric name
Endpoint string `json:"endpoint"` // Hostname
Value interface{} `json:"value"` // number or string
CounterType string `json:"counterType"` // GAUGE:original value, COUNTER: delta value(ps)
Tags string `json:"tags"` // port=%d,isSlave=%d,readOnly=%d,type=mysql
Timestamp int64 `json:"timestamp"` // time.Now().Unix()
Step int64 `json:"step"` // Default 60 seconds
}
// NewMetric is the constructor of metric
func NewMetric(conf *common.Config, name string) *MetaData {
return &MetaData{
Metric: "mysql." + name,
Endpoint: common.Hostname(conf),
CounterType: dataType(name),
Tags: Tag,
Timestamp: time.Now().Unix(),
Step: step,
}
}
// SetValue is just set a value
func (m *MetaData) SetValue(v interface{}) {
m.Value = v
}
// SetName is just set a value
func (m *MetaData) SetName(name string) {
m.Metric = name
}
// GetTag can get the tag to output
func GetTag(conf *common.Config) string {
return fmt.Sprintf(
"port=%d,isSlave=%d,readOnly=%d,type=mysql",
conf.DataBase.Port, IsSlave, IsReadOnly)
}
// MySQLAlive checks if mysql can response
func MySQLAlive(conf *common.Config, ok bool) {
data := NewMetric(conf, "mysql_alive_local")
data.SetValue(0)
if ok {
data.SetValue(1)
}
msg, err := SendData(conf, []*MetaData{data})
if err != nil && err != io.EOF {
Log.Error("Send alive data failed: %v", err)
return
}
Log.Info("Alive data response %s:%d: %s",
conf.DataBase.Host, conf.DataBase.Port, string(msg))
}
// GetIsReadOnly get read_only variable of mysql
func GetIsReadOnly(db mysql.Conn) (int, error) {
row, _, err := db.QueryFirst("select @@read_only")
if err != nil {
Log.Debug("get read_only error: %+v", err)
return -1, err
}
return row.Int(0), nil
}