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main.go
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package main
import (
"encoding/json"
"flag"
"fmt"
"html/template"
"os"
"os/exec"
"regexp"
"sort"
"strconv"
"strings"
"time"
)
var logAddress = flag.String("f", "", "慢sq日志文件所在的位置 例子：/var/log/mysql4306-slow.log")
var startTime = flag.String("startTime", "", "开始时间 格式：yyyy-mm-dd hh:mm:ss")
var endTime = flag.String("endTime", "", "结束时间 格式：yyyy-mm-dd hh:mm:ss")
func hasDuplicate(items []string, target string) bool {
for _, item := range items {
if item == target {
return true
}
}
return false
}
type SlowSqlInfoSliceDecrement []SlowSqlInfo
func (s SlowSqlInfoSliceDecrement) Len() int { return len(s) }
func (s SlowSqlInfoSliceDecrement) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s SlowSqlInfoSliceDecrement) Less(i, j int) bool { return s[i].Time95 > s[j].Time95 }
func main() {
//pt_cmd := "./cmd/pt-query-digest /Users/macbookpro/Documents/go-code/mysql_slow/mysql_slow_agent/data/mysql4306-slow.log --output json --progress time,1 --charset=utf8mb4 --since='2023-07-24 00:00:00' --until='2023-07-24 23:59:59' >mysql_slow.json"
flag.Parse()
if *logAddress == "" {
panic("慢日志文件不能为空")
}
if *startTime == "" || *endTime == "" {
panic("查询时间不能为空")
}
ptCmd := fmt.Sprintf("./cmd/pt-query-digest %s --output json --noversion-check --progress time,1 --charset=utf8mb4 --since='%s' --until='%s' >mysql_slow.json", *logAddress, *startTime, *endTime)
println(ptCmd)
cmd := exec.Command("/bin/bash", "-c", ptCmd)
_, err := cmd.CombinedOutput()
if err != nil {
println(err.Error())
}
fileName := fmt.Sprintf("mysql-%s.html", time.Now().Format("2006-01-02"))
newFile, _ := os.Create(fileName)
file, err := os.Open("mysql_slow.json")
defer file.Close()
var report Report
decoder := json.NewDecoder(file)
err = decoder.Decode(&report)
var slowSqlInfos []SlowSqlInfo
allSqlInfo := report.Classes
for _, sqlInfo := range allSqlInfo {
var allTables []string
var slowSqlInfo SlowSqlInfo
for _, slowTable := range sqlInfo.Tables {
s := strings.Split(slowTable.Create, ".")
//getTableName := "`table_name`\\G"
re := regexp.MustCompile("`([^`]+)`")
match := re.FindStringSubmatch(s[1])
tableName := match[1]
flag := hasDuplicate(allTables, tableName)
if !flag {
allTables = append(allTables, tableName)
}
}
slowSqlInfo.RowsSum = sqlInfo.Metrics.RowsExamined.Sum
slowSqlInfo.RowsMax = sqlInfo.Metrics.RowsExamined.Max
slowSqlInfo.LengthSum = sqlInfo.Metrics.QueryLength.Sum
slowSqlInfo.LengthMax = sqlInfo.Metrics.QueryLength.Max
slowSqlInfo.TimeMax = sqlInfo.Metrics.QueryTime.Max
slowSqlInfo.TimeMin = sqlInfo.Metrics.QueryTime.Min
pct95, _ := strconv.ParseFloat(sqlInfo.Metrics.QueryTime.Pct95, 64)
t := int64(pct95)
slowSqlInfo.Time95 = t
slowSqlInfo.TimeMedian = sqlInfo.Metrics.QueryTime.Median
slowSqlInfo.RowSendMax = sqlInfo.Metrics.RowsSent.Max
slowSqlInfo.QueryDb = sqlInfo.Metrics.Db.Value
slowSqlInfo.QueryCount = sqlInfo.QueryCount
slowSqlInfo.Sql = sqlInfo.Example.Query
slowSqlInfo.QueryTables = allTables
slowSqlInfo.Id = sqlInfo.Checksum
slowSqlInfos = append(slowSqlInfos, slowSqlInfo)
}
sort.Sort(SlowSqlInfoSliceDecrement(slowSqlInfos))
if err != nil {
}
tmpl, err := template.ParseFiles("./template/template.html")
if err != nil {
fmt.Errorf(err.Error())
panic(err)
}
tmpl.Execute(newFile, slowSqlInfos)
}
type Report struct {
Global struct {
UniqueQueryCount int `json:"unique_query_count"`
Files []struct {
Name string `json:"name"`
Size int `json:"size"`
} `json:"files"`
QueryCount int `json:"query_count"`
Metrics struct {
QueryLength struct {
Sum string `json:"sum"`
Stddev string `json:"stddev"`
Min string `json:"min"`
Avg string `json:"avg"`
Median string `json:"median"`
Max string `json:"max"`
Pct95 string `json:"pct_95"`
} `json:"Query_length"`
LockTime struct {
Pct95 string `json:"pct_95"`
Max string `json:"max"`
Median string `json:"median"`
Avg string `json:"avg"`
Min string `json:"min"`
Stddev string `json:"stddev"`
Sum string `json:"sum"`
} `json:"Lock_time"`
RowsExamined struct {
Avg string `json:"avg"`
Min string `json:"min"`
Median string `json:"median"`
Max string `json:"max"`
Pct95 string `json:"pct_95"`
Sum string `json:"sum"`
Stddev string `json:"stddev"`
} `json:"Rows_examined"`
RowsSent struct {
Max string `json:"max"`
Pct95 string `json:"pct_95"`
Avg string `json:"avg"`
Min string `json:"min"`
Median string `json:"median"`
Sum string `json:"sum"`
Stddev string `json:"stddev"`
} `json:"Rows_sent"`
QueryTime struct {
Median string `json:"median"`
Min string `json:"min"`
Avg string `json:"avg"`
Pct95 string `json:"pct_95"`
Max string `json:"max"`
Stddev string `json:"stddev"`
Sum string `json:"sum"`
} `json:"Query_time"`
} `json:"metrics"`
} `json:"global"`
Classes []struct {
Distillate string `json:"distillate"`
Example struct {
QueryTime string `json:"Query_time"`
Query string `json:"query"`
Ts string `json:"ts"`
AsSelect string `json:"as_select,omitempty"`
} `json:"example"`
Histograms struct {
QueryTime []int `json:"Query_time"`
} `json:"histograms"`
Fingerprint string `json:"fingerprint"`
Metrics struct {
LockTime struct {
Pct string `json:"pct"`
Stddev string `json:"stddev"`
Sum string `json:"sum"`
Pct95 string `json:"pct_95"`
Max string `json:"max"`
Median string `json:"median"`
Avg string `json:"avg"`
Min string `json:"min"`
} `json:"Lock_time"`
QueryLength struct {
Pct string `json:"pct"`
Stddev string `json:"stddev"`
Sum string `json:"sum"`
Pct95 string `json:"pct_95"`
Max string `json:"max"`
Median string `json:"median"`
Avg string `json:"avg"`
Min string `json:"min"`
} `json:"Query_length"`
RowsSent struct {
Max string `json:"max"`
Pct95 string `json:"pct_95"`
Avg string `json:"avg"`
Min string `json:"min"`
Median string `json:"median"`
Pct string `json:"pct"`
Sum string `json:"sum"`
Stddev string `json:"stddev"`
} `json:"Rows_sent"`
User struct {
Value string `json:"value"`
} `json:"user"`
Db struct {
Value string `json:"value"`
} `json:"db,omitempty"`
RowsExamined struct {
Median string `json:"median"`
Min string `json:"min"`
Avg string `json:"avg"`
Pct95 string `json:"pct_95"`
Max string `json:"max"`
Stddev string `json:"stddev"`
Sum string `json:"sum"`
Pct string `json:"pct"`
} `json:"Rows_examined"`
Host struct {
Value string `json:"value"`
} `json:"host"`
QueryTime struct {
Avg string `json:"avg"`
Min string `json:"min"`
Median string `json:"median"`
Max string `json:"max"`
Pct95 string `json:"pct_95"`
Sum string `json:"sum"`
Stddev string `json:"stddev"`
Pct string `json:"pct"`
} `json:"Query_time"`
} `json:"metrics"`
TsMin string `json:"ts_min"`
Attribute string `json:"attribute"`
TsMax string `json:"ts_max"`
Checksum string `json:"checksum"`
QueryCount int `json:"query_count"`
Tables []struct {
Status string `json:"status"`
Create string `json:"create"`
} `json:"tables,omitempty"`
} `json:"classes"`
}
type SlowSqlInfo struct {
Id string
RowsSum string
RowsMax string
LengthSum string
LengthMax string
TimeMax string
TimeMin string
Time95 int64
TimeMedian string
RowSendMax string
QueryDb string
QueryCount int
QueryTables []string
Sql string
}