// 删除时间范围的表的数据
func deleteTbl(ctx *cli.Context) {
layout := "20060102"
var err error
delTable := ctx.String("table")
if delTable == "" {
log.Fatal("ERR: arg 'table' empty")
}
var start time.Time
if start, err = time.Parse(layout, ctx.String("start")); err != nil {
log.Fatal("ERR: arg 'start' 格式非法，正确的格式是, %s", layout)
}
var end time.Time
if end, err = time.Parse(layout, ctx.String("end")); err != nil {
log.Fatal("ERR: arg 'end' 格式非法，正确的格式是, %s", layout)
}
if start.After(end) {
log.Fatal("ERR: 'start' after 'end'")
}
dates := dateSlice(start, end)
log.Printf("dates: %v", dates)
jsonconf := prod.NewJsonConf(ctx.String("json"))
sqlTemp := make(map[string]string)
sqlTemp[delTable] = "DELETE FROM petLog_%d." + delTable + "_%s"
DbExecute(jsonconf, dates, sqlTemp)
}
// 根据模板文件，json配置生成建表语言，并执行
func creatTbl(ctx *cli.Context) {
sqlTemp := readSqlTemplate(ctx.String("temp"))
jsonconf := prod.NewJsonConf(ctx.String("json"))
for _, conf := range jsonconf.Log_list {
table := conf.Table
// 新加的表的建表语句，直接由配置文件生成
if _, ok := sqlTemp[table]; !ok {
sqlTemp[table] = createSql(&conf)
log.Printf("INF: table=%s", table)
}
}
var start time.Time
var err error
if ctx.String("milestone") == "" {
start = time.Now().AddDate(0, 0, 1)
} else {
start, err = time.Parse("20060102", ctx.String("milestone"))
if err != nil {
log.Panicf("ERR: %s", err)
}
}
days := ctx.Int("days")
if days < 1 {
log.Panicf("ERR: arg 'days' invalid, %d", days)
}
end := start.AddDate(0, 0, days)
dates := dateSlice(start, end)
log.Printf("INF: dates, %s", dates)
DbExecute(jsonconf, dates, sqlTemp)
}
func (s *ConsServer) loadConf() {
log.Printf("INF, loadConf")
s.jsonconf = prod.NewJsonConf(s.opts.JsFile)
fi, _ := os.Stat(s.opts.JsFile)
s.jsonMtime = fi.ModTime()
s.dbpool.Start(s.jsonconf)
s.updateReader(s.dbpool.InputChan)
}
// 检查表是否成功创建，如果失败，产生Agent告警
func checkTbl(ctx *cli.Context) {
tomorrow := time.Now().AddDate(0, 0, 1)
datestr := tomorrow.Format("20060102")
jsonconf := prod.NewJsonConf(ctx.String("json"))
table := ctx.String("table")
// 最后1个号段的db
dbname := "petLog_99"
user := jsonconf.Default_db_user
passwd := jsonconf.Default_db_pw
port := jsonconf.Default_db_port
// 配置文件中最后一台机器
host := jsonconf.Route_list[len(jsonconf.Route_list)-1].Db_host
dns := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=gbk", user, passwd, host, port, dbname)
conn, err := sql.Open("mysql", dns)
if err != nil {
log.Panicf("ERR: sql.Open, %s, %s", dns, err)
}
expectTable := fmt.Sprintf("%s_%s", table, datestr)
sqlstr := fmt.Sprintf("select TABLE_NAME from INFORMATION_SCHEMA.TABLES where TABLE_SCHEMA='%s' and TABLE_NAME='%s'",
dbname, expectTable)
rows, err := conn.Query(sqlstr)
if err != nil {
util.AgentWarn(fmt.Sprintf("logAdmin, check, conn.Query, %s, %s, %s", dbname, table, datestr))
log.Panic("ERR: db.Query, %s", err)
}
log.Printf("INF: host=%s, sql=%s", host, sqlstr)
result := false
for rows.Next() {
var tablename string
err = rows.Scan(&tablename)
if err != nil {
log.Panic("ERR: rows.Scan, %s", err)
break
}
if tablename == expectTable {
result = true
break
}
}
if !result {
util.AgentWarn("logAdmin, check, fail to create tomorrow table")
}
conn.Close()
}
// 统计一天的一个指定日志的总量
func countTbl(ctx *cli.Context) {
table := ctx.String("table")
date := ctx.String("date")
if _, err := time.Parse("20060102", date); err != nil {
log.Panic("ERR: arg 'date' invalid")
}
jsonconf := prod.NewJsonConf(ctx.String("json"))
user := jsonconf.Default_db_user
passwd := jsonconf.Default_db_pw
port := jsonconf.Default_db_port
sum := 0
for _, conf := range jsonconf.Route_list {
host := conf.Db_host
for u := conf.UinStartInt; u <= conf.UinEndInt; u++ {
dbname := fmt.Sprintf("petLog_%d", u)
dns := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=gbk", user, passwd, host, port, dbname)
conn, err := sql.Open("mysql", dns)
if err != nil {
log.Panicf("ERR: sql.Open, %s, %s", dns, err)
}
sqlstr := fmt.Sprintf("SELECT count(*) FROM %s_%s", table, date)
rows, err := conn.Query(sqlstr)
if err != nil {
log.Panic("ERR: db.Query, %s", err)
}
for rows.Next() {
var cnt int
_ = rows.Scan(&cnt)
sum += cnt
}
log.Printf("INF: host=%s, db=%s, sql=%s", host, dbname, sqlstr)
conn.Close()
}
}
log.Printf("INF: table=%s, date=%s, sum=%d", table, date, sum)
}
// 根据模板文件，生成sql, 删除无用的表
func dropTbl(ctx *cli.Context) {
var start time.Time
var end time.Time
layout := "20060102"
// 第1个格式：是指定日期
// 第2个格式是整数，起始点就是今天之前的第几天
var err error
if end, err = time.Parse(layout, ctx.String("milestone")); err != nil {
if i, err := strconv.Atoi(ctx.String("milestone")); err != nil {
log.Panicf("ERR: arg 'milestone' invalid, %s", ctx.String("milestone"))
} else if i < 0 {
log.Panicf("ERR: arg 'milestone' must >= 0")
} else {
end = time.Now().AddDate(0, 0, (-1)*i)
}
}
days := ctx.Int("days")
if days < 1 {
log.Panicf("ERR: arg 'days' invalid, %d", days)
}
start = end.AddDate(0, 0, (-1)*days)
log.Println(start.Format(layout), end.Format(layout))
dates := dateSlice(start, end)
log.Printf("INF: dates, %s", dates)
jsonconf := prod.NewJsonConf(ctx.String("json"))
sqlTemp := make(map[string]string)
for _, conf := range jsonconf.Log_list {
table := conf.Table
// 新加的表的建表语句，直接由配置文件生成
sqlTemp[table] = dropSql(table)
log.Printf("INF: table=%s, sql=%s", table, sqlTemp[table])
}
DbExecute(jsonconf, dates, sqlTemp)
}
// 统一的搜索语句
func selectTbl(ctx *cli.Context) {
layout := "20060102"
var start time.Time
var err error
if start, err = time.Parse(layout, ctx.String("start")); err != nil {
log.Panicf("ERR: arg 'start' 格式非法，正确的格式是, %s", layout)
}
var end time.Time
if end, err = time.Parse(layout, ctx.String("end")); err != nil {
log.Panicf("ERR: arg 'end' 格式非法，正确的格式是, %s", layout)
}
if start.After(end) {
log.Panic("ERR: 开始时间start，晚于结束时间end")
}
dates := dateSlice(start, end)
var uin int
if uin, err = strconv.Atoi(ctx.String("uin")); err != nil {
log.Panic("ERR: arg 'uin' 非法")
}
mod := uin % 100
jsonconf := prod.NewJsonConf(ctx.String("json"))
var conf *prod.RouteConf
for i, c := range jsonconf.Route_list {
if c.UinStartInt <= mod && mod <= c.UinEndInt {
conf = &jsonconf.Route_list[i]
break
}
}
if conf == nil {
log.Panicf("ERR: 没有找到数据库配置，uin=%d", uin)
}
table := ctx.String("table")
if table == "" {
log.Panic("ERR: 需要参数'table'")
}
dbname := fmt.Sprintf("petLog_%d", uin%100)
user := jsonconf.Default_db_user
passwd := jsonconf.Default_db_pw
port := jsonconf.Default_db_port
host := conf.Db_host
dns := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=gbk", user, passwd, host, port, dbname)
conn, err := sql.Open("mysql", dns)
if err != nil {
log.Panicf("ERR: sql.Open, %s, %s", dns, err)
}
for _, d := range dates {
sqlstr := fmt.Sprintf("SELECT * FROM %s_%s WHERE uin=%d AND date >= '%s' AND date < '%s'",
table, d, uin, start, end)
rows, err := conn.Query(sqlstr)
if err != nil {
log.Panic("ERR: db.Query, %s", err)
}
log.Printf("INF: execute, sql=%s", sqlstr)
// 表的列数不固定
cols, _ := rows.Columns()
buff := make([]interface{}, len(cols)) // 临时slice，用来通过类型检查
data := make([]string, len(cols))
for i, _ := range buff {
buff[i] = &data[i] // 把两个slice关联起来
}
uinCol := 0
for i, col := range cols {
if col == "uin" {
uinCol = i
}
}
for rows.Next() {
rows.Scan(buff...)
if cols[uinCol] == "" {
// 跳过空结果集
continue
}
fmt.Println()
for k, col := range data {
if cols[k] != "" {
fmt.Printf("%10s:\t%10s\n", cols[k], col)
}
}
fmt.Println()
}
}
conn.Close()
}
func loadSqlFile(ctx *cli.Context) {
filename := ctx.String("filename")
key := "petLog_"
if strings.Index(filename, key) == -1 {
log.Printf("WAR: substr '%s' not in filename", key)
return
}
re, _ := regexp.Compile("petLog_([0-9]+)")
slice := re.FindStringSubmatch(filename)
if len(slice) < 2 {
log.Printf("WAR, not match, %s", filename)
return
}
log.Printf("INF: filename=%s, dbIdx=%s", filename, slice[1])
dbIdx, err := strconv.Atoi(slice[1])
if err != nil {
log.Printf("WAR: Atoi fail, %s, %s", slice[1], err)
return
}
dbname := fmt.Sprintf("petLog_%d", dbIdx)
lines, err := util.ReadLines(filename)
if err != nil {
log.Printf("WAR: fail to read file, %s,, %s", filename, err)
return
}
jsonconf := prod.NewJsonConf(ctx.String("json"))
user := jsonconf.Default_db_user
passwd := jsonconf.Default_db_pw
port := jsonconf.Default_db_port
var host string
for _, conf := range jsonconf.Route_list {
if conf.UinStartInt <= dbIdx && dbIdx <= conf.UinEndInt {
host = conf.Db_host
break
}
}
if host == "" {
fmt.Printf("WAR: uin=%d, host not found", dbIdx)
return
}
dns := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=gbk", user, passwd, host, port, dbname)
conn, err := sql.Open("mysql", dns)
if err != nil {
log.Panicf("ERR: sql.Open, %s, %s", dns, err)
}
for _, line := range lines {
sqlstr := line
stmt, err := conn.Prepare(sqlstr)
if err != nil {
log.Panicf("ERR, conn.Prepare, %s, sql=%s", err, sqlstr)
}
_, err = stmt.Exec()
if err != nil {
log.Panicf("ERR, stmt.Exec, %s, sql=%s", err, sqlstr)
}
stmt.Close()
}
log.Printf("INF: execute, host=%s, filename=%s, lines=%d", host, filename, len(lines))
conn.Close()
}
