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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| package job | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/axetroy/go-server/internal/model" | ||
| "github.com/axetroy/go-server/internal/service/database" | ||
| "github.com/jinzhu/gorm" | ||
| "time" | ||
| ) | ||
|
|
||
| func generateNewLoginTableName(date time.Time) string { | ||
| year := fmt.Sprintf("%d", date.Year()) | ||
| month := fmt.Sprintf("%d", date.Month()) | ||
| if len(month) == 1 { | ||
| month = "0" + month | ||
| } | ||
|
|
||
| loginLog := model.LoginLog{} | ||
|
|
||
| tableName := loginLog.TableName() + "_" + year + month | ||
|
|
||
| return tableName | ||
| } | ||
|
|
||
| // 迁移数据 | ||
| func moveLoginLog(startAt time.Time, endAt time.Time) (bool, error) { | ||
| var ( | ||
| tx = database.Db.Begin() | ||
| err error | ||
| eol = true // 这个时间段的数据是否已经迁移完，当 eol == true 时，则迁移下一个时间段 | ||
| ) | ||
|
|
||
| defer func() { | ||
| if err != nil { | ||
| _ = tx.Rollback().Error | ||
| } else { | ||
| _ = tx.Commit().Error | ||
| } | ||
| }() | ||
|
|
||
| newTableName := generateNewLoginTableName(startAt) | ||
|
|
||
| if err = ensureLoginLogTableExist(newTableName, tx); err != nil { | ||
| return true, err | ||
| } | ||
|
|
||
| logs := make([]model.LoginLog, 0) | ||
|
|
||
| limit := 100 // 一次迁移一百条数据 | ||
|
|
||
| // 查找在这个时间段的数据，移动到新表中 | ||
| // 最早的数据排到前面 | ||
| if err = tx.Model(model.LoginLog{}).Where("created_at >= ?", startAt).Where("created_at <= ?", endAt).Limit(limit).Order("created_at ASC").Find(&logs).Error; err != nil { | ||
| return true, err | ||
| } | ||
|
|
||
| for _, loginLog := range logs { | ||
| dataID := loginLog.Id | ||
| if err = tx.Table(newTableName).Create(&loginLog).Error; err != nil { | ||
| return true, err | ||
| } else { | ||
| // 更新表信息 - 还原 ID/创建时间/更新时间 信息 | ||
| if err = tx.Table(newTableName).Where("id = ?", loginLog.Id).UpdateColumn("id", dataID).UpdateColumn("created_at", loginLog.CreatedAt).UpdateColumn("updated_at", loginLog.UpdatedAt).Error; err != nil { | ||
| return true, err | ||
| } | ||
|
|
||
| // 删除旧数据 | ||
| if err = tx.Unscoped().Table(loginLog.TableName()).Delete(model.LoginLog{Id: dataID}).Error; err != nil { | ||
| return true, err | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // 如果获取的数据已经不够，那么我们就认为它已经是最后一页了 | ||
| eol = len(logs) < limit | ||
|
|
||
| return eol, nil | ||
| } | ||
|
|
||
| func ensureLoginLogTableExist(tableName string, db *gorm.DB) error { | ||
| // 如果表不存在，那么创建表 | ||
| if db.HasTable(tableName) == false { | ||
| if err := db.Table(tableName).CreateTable(model.LoginLog{}).Error; err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // 定时切割用户登录记录 | ||
| // 因为这个表的内容是在是太大了 | ||
| func SplitLoginLog() { | ||
| var err error | ||
| now := time.Now() | ||
|
|
||
| oldestLoginLog := model.LoginLog{} | ||
|
|
||
| if err = database.Db.Model(oldestLoginLog).Order("created_at ASC").First(&oldestLoginLog).Error; err != nil { | ||
| return | ||
| } | ||
|
|
||
| startAt := time.Date(oldestLoginLog.CreatedAt.Year(), oldestLoginLog.CreatedAt.Month(), 1, 0, 0, 0, 0, now.Location()) | ||
| endAt := startAt.AddDate(0, 1, 0) | ||
|
|
||
| // 如果最旧的数据是在本月或者上个月产生的，那么跳过任务 | ||
| if endAt.After(now.AddDate(0, -1, 0)) { | ||
| return | ||
| } | ||
|
|
||
| for { | ||
| if eol, err := moveLoginLog(startAt, endAt); err != nil { | ||
| return | ||
| } else if eol == true { | ||
| // 开始时间往后推一个月，继续遍历 | ||
| startAt = startAt.AddDate(0, 1, 0) | ||
| endAt = startAt.AddDate(0, 1, 0) | ||
|
|
||
| // 如果最旧的数据是在本月或者上个月产生的，那么跳过任务 | ||
| if endAt.After(now.AddDate(0, -1, 0)) { | ||
| break | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| // Copyright 2019-2020 Axetroy. All rights reserved. MIT license. | ||
| package main | ||
|
|
||
| import ( | ||
| "github.com/axetroy/go-server/cmd/scheduled/job" | ||
| "github.com/axetroy/go-server/internal/library/daemon" | ||
| "github.com/jasonlvhit/gocron" | ||
| "github.com/urfave/cli/v2" | ||
| "log" | ||
| "os" | ||
| ) | ||
|
|
||
| func runJobs() error { | ||
| // 每天凌晨 3 点检查 login_log 表，并且进行切割数据 | ||
| // 选择半夜主要是因为怕影响性能，在用户最少的情况下执行 | ||
| if err := gocron.Every(1).Day().At("03:00:01").Do(job.SplitLoginLog); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // 启动定时任务 | ||
| <-gocron.Start() | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func main() { | ||
| app := cli.NewApp() | ||
| app.Usage = "定时任务" | ||
|
|
||
| app.Commands = []*cli.Command{ | ||
| { | ||
| Name: "start", | ||
| Usage: "启动定时任务", | ||
| Flags: []cli.Flag{ | ||
| &cli.BoolFlag{ | ||
| Name: "daemon, d", | ||
| Usage: "是否以守护进程运行", | ||
| }, | ||
| }, | ||
| Action: func(c *cli.Context) error { | ||
| // 判断当其是否是子进程，当父进程return之后，子进程会被系统1号进程接管 | ||
| return daemon.Start(runJobs, c.Bool("daemon")) | ||
| }, | ||
| }, | ||
| { | ||
| Name: "stop", | ||
| Usage: "停止定时任务", | ||
| Action: func(c *cli.Context) error { | ||
| return daemon.Stop() | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| if err := app.Run(os.Args); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -9,6 +9,7 @@ targets=( | |
| user | ||
| resource | ||
| message_queue | ||
| scheduled | ||
| ) | ||
|
|
||
| get_arch() { | ||
|
|
||
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26 changes: 26 additions & 0 deletions
26
vendor/github.com/jasonlvhit/gocron/.gitignore
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