62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
package mysql
|
|
|
|
import (
|
|
"database/sql"
|
|
"log"
|
|
"regexp"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"flashcat.cloud/categraf/inputs"
|
|
"flashcat.cloud/categraf/pkg/tagx"
|
|
"github.com/toolkits/pkg/container/list"
|
|
)
|
|
|
|
func (m *MySQL) gatherEngineInnodbStatus(slist *list.SafeList, ins *Instance, db *sql.DB, globalTags map[string]string, cache map[string]float64) {
|
|
rows, err := db.Query(SQL_ENGINE_INNODB_STATUS)
|
|
if err != nil {
|
|
log.Println("E! failed to query engine innodb status:", err)
|
|
return
|
|
}
|
|
|
|
defer rows.Close()
|
|
|
|
var typeCol, nameCol, statusCol string
|
|
// First row should contain the necessary info. If many rows returned then it's unknown case.
|
|
if rows.Next() {
|
|
if err := rows.Scan(&typeCol, &nameCol, &statusCol); err != nil {
|
|
log.Println("E! failed to scan result, sql:", SQL_ENGINE_INNODB_STATUS, "error:", err)
|
|
return
|
|
}
|
|
}
|
|
|
|
tags := tagx.Copy(globalTags)
|
|
|
|
// 0 queries inside InnoDB, 0 queries in queue
|
|
// 0 read views open inside InnoDB
|
|
rQueries, _ := regexp.Compile(`(\d+) queries inside InnoDB, (\d+) queries in queue`)
|
|
rViews, _ := regexp.Compile(`(\d+) read views open inside InnoDB`)
|
|
|
|
for _, line := range strings.Split(statusCol, "\n") {
|
|
if data := rQueries.FindStringSubmatch(line); data != nil {
|
|
value, err := strconv.ParseFloat(data[1], 64)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
slist.PushFront(inputs.NewSample("engine_innodb_queries_inside_innodb", value, tags))
|
|
|
|
value, err = strconv.ParseFloat(data[2], 64)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
slist.PushFront(inputs.NewSample("engine_innodb_queries_in_queue", value, tags))
|
|
} else if data := rViews.FindStringSubmatch(line); data != nil {
|
|
value, err := strconv.ParseFloat(data[1], 64)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
slist.PushFront(inputs.NewSample("engine_innodb_read_views_open_inside_innodb", value, tags))
|
|
}
|
|
}
|
|
}
|