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小蚂蚁云
2026-10-20 11:37:25 +08:00
commit 7f5e8470af
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package task
import (
"context"
"database/sql"
"fmt"
"github.com/gogf/gf/v2/encoding/gjson"
"github.com/gogf/gf/v2/frame/g"
"github.com/gogf/gf/v2/os/gtime"
"easygoadmin/internal/dao"
"easygoadmin/internal/logic"
)
func init() {
logic.RegisterJobHandler("LogClean", logClean)
}
const (
logCleanBatch = 5000 // 单批删除行数
logCleanMaxTotal = 200000 // 单表单次任务删除行数上限(防长事务与 runaway)
)
// logClean 日志清理任务
//
// 分批物理删除操作日志/登录日志/任务日志中超过保留天数的历史记录。
// 任务参数 retentionDays 可覆盖配置 job.logRetentionDays(默认 90 天),为 0 时取配置值。
func logClean(ctx context.Context, params string) (string, error) {
days := gjson.New(params).Get("retentionDays").Int()
if days <= 0 {
days = g.Cfg().MustGet(ctx, "job.logRetentionDays").Int()
}
if days <= 0 {
days = 90
}
before := gtime.Now().AddDate(0, 0, -days)
counts := map[string]int{}
for name, clean := range map[string]func(context.Context, *gtime.Time) (int, error){
"操作日志": cleanOperationLog,
"登录日志": cleanLoginLog,
"任务日志": cleanJobLog,
} {
n, err := clean(ctx, before)
if err != nil {
return "", fmt.Errorf("%s清理失败: %w", name, err)
}
counts[name] = n
}
return fmt.Sprintf("保留 %d 天,清理完成: 操作日志 %d 条,登录日志 %d 条,任务日志 %d 条",
days, counts["操作日志"], counts["登录日志"], counts["任务日志"]), nil
}
// cleanOperationLog 分批删除超过保留期限的操作日志
func cleanOperationLog(ctx context.Context, before *gtime.Time) (int, error) {
return deleteInBatches(ctx, func() (int64, error) {
res, err := dao.OperationLog.Ctx(ctx).WhereLT("create_time", before).Limit(logCleanBatch).Delete()
return affectedOf(res), err
})
}
// cleanLoginLog 分批删除超过保留期限的登录日志
func cleanLoginLog(ctx context.Context, before *gtime.Time) (int, error) {
return deleteInBatches(ctx, func() (int64, error) {
res, err := dao.LoginLog.Ctx(ctx).WhereLT("create_time", before).Limit(logCleanBatch).Delete()
return affectedOf(res), err
})
}
// cleanJobLog 分批删除超过保留期限的任务日志
func cleanJobLog(ctx context.Context, before *gtime.Time) (int, error) {
return deleteInBatches(ctx, func() (int64, error) {
res, err := dao.JobLog.Ctx(ctx).WhereLT("create_time", before).Limit(logCleanBatch).Delete()
return affectedOf(res), err
})
}
// deleteInBatches 循环分批删除
// 每批删除 logCleanBatch 行,直到不足一批或达到单次上限
func deleteInBatches(ctx context.Context, del func() (int64, error)) (int, error) {
total := 0
for {
n, err := del()
if err != nil {
return total, err
}
total += int(n)
if n < int64(logCleanBatch) || total >= logCleanMaxTotal {
return total, nil
}
}
}
// affectedOf 读取受影响行数
// RowsAffected 的错误在此场景可忽略(驱动不支持时按 0 处理,循环自然终止)
func affectedOf(res sql.Result) int64 {
if res == nil {
return 0
}
n, _ := res.RowsAffected()
return n
}