Files
mayfly-go/server/internal/db/api/db_restore.go
kanzihuang ae3d2659aa 重构数据库备份与恢复模块 (#80)
* fix: 保存 LastResult 时截断字符串过长部分,以避免数据库报错

* refactor: 新增 entity.DbTaskBase 和 persistence.dbTaskBase, 用于实现数据库备份和恢复任务处理相关部分

* fix: aeskey变更后,解密密码出现数组越界访问错误

* fix: 时间属性为零值时,保存到 mysql 数据库报错

* refactor db.infrastructure.service.scheduler

* feat: 实现立即备份功能

* refactor db.infrastructure.service.db_instance

* refactor: 从数据库中获取数据库备份目录、mysql文件路径等配置信息

* fix: 数据库备份和恢复问题

* fix: 修改 .gitignore 文件,忽略数据库备份目录和数据库程序目录
2024-01-05 08:55:34 +08:00

127 lines
4.3 KiB
Go

package api
import (
"context"
"mayfly-go/internal/db/api/form"
"mayfly-go/internal/db/api/vo"
"mayfly-go/internal/db/application"
"mayfly-go/internal/db/domain/entity"
"mayfly-go/pkg/biz"
"mayfly-go/pkg/ginx"
"mayfly-go/pkg/req"
"strconv"
"strings"
)
type DbRestore struct {
DbRestoreApp *application.DbRestoreApp
DbApp application.Db
}
// GetPageList 获取数据库恢复任务
// @router /api/dbs/:dbId/restores [GET]
func (d *DbRestore) GetPageList(rc *req.Ctx) {
dbId := uint64(ginx.PathParamInt(rc.GinCtx, "dbId"))
biz.IsTrue(dbId > 0, "无效的 dbId: %v", dbId)
db, err := d.DbApp.GetById(new(entity.Db), dbId, "db_instance_id", "database")
biz.ErrIsNilAppendErr(err, "获取数据库信息失败: %v")
var restores []vo.DbRestore
queryCond, page := ginx.BindQueryAndPage[*entity.DbRestoreQuery](rc.GinCtx, new(entity.DbRestoreQuery))
queryCond.DbInstanceId = db.InstanceId
queryCond.InDbNames = strings.Fields(db.Database)
res, err := d.DbRestoreApp.GetPageList(queryCond, page, &restores)
biz.ErrIsNilAppendErr(err, "获取数据库恢复任务失败: %v")
rc.ResData = res
}
// Create 保存数据库恢复任务
// @router /api/dbs/:dbId/restores [POST]
func (d *DbRestore) Create(rc *req.Ctx) {
restoreForm := &form.DbRestoreForm{}
ginx.BindJsonAndValid(rc.GinCtx, restoreForm)
rc.ReqParam = restoreForm
dbId := uint64(ginx.PathParamInt(rc.GinCtx, "dbId"))
biz.IsTrue(dbId > 0, "无效的 dbId: %v", dbId)
db, err := d.DbApp.GetById(new(entity.Db), dbId, "instanceId")
biz.ErrIsNilAppendErr(err, "获取数据库信息失败: %v")
task := &entity.DbRestore{
DbTaskBase: entity.NewDbBTaskBase(true, restoreForm.Repeated, restoreForm.StartTime, restoreForm.Interval),
DbName: restoreForm.DbName,
DbInstanceId: db.InstanceId,
PointInTime: restoreForm.PointInTime,
DbBackupId: restoreForm.DbBackupId,
DbBackupHistoryId: restoreForm.DbBackupHistoryId,
DbBackupHistoryName: restoreForm.DbBackupHistoryName,
}
biz.ErrIsNilAppendErr(d.DbRestoreApp.Create(rc.MetaCtx, task), "添加数据库恢复任务失败: %v")
}
// Save 保存数据库恢复任务
// @router /api/dbs/:dbId/restores/:restoreId [PUT]
func (d *DbRestore) Save(rc *req.Ctx) {
restoreForm := &form.DbRestoreForm{}
ginx.BindJsonAndValid(rc.GinCtx, restoreForm)
rc.ReqParam = restoreForm
task := &entity.DbRestore{}
task.Id = restoreForm.Id
task.StartTime = restoreForm.StartTime
task.Interval = restoreForm.Interval
biz.ErrIsNilAppendErr(d.DbRestoreApp.Save(rc.MetaCtx, task), "保存数据库恢复任务失败: %v")
}
func (d *DbRestore) walk(rc *req.Ctx, fn func(ctx context.Context, taskId uint64) error) error {
idsStr := ginx.PathParam(rc.GinCtx, "restoreId")
biz.NotEmpty(idsStr, "restoreId 为空")
rc.ReqParam = idsStr
ids := strings.Fields(idsStr)
for _, v := range ids {
value, err := strconv.Atoi(v)
if err != nil {
return err
}
taskId := uint64(value)
err = fn(rc.MetaCtx, taskId)
if err != nil {
return err
}
}
return nil
}
// Delete 删除数据库恢复任务
// @router /api/dbs/:dbId/restores/:taskId [DELETE]
func (d *DbRestore) Delete(rc *req.Ctx) {
err := d.walk(rc, d.DbRestoreApp.Delete)
biz.ErrIsNilAppendErr(err, "删除数据库恢复任务失败: %v")
}
// Enable 删除数据库恢复任务
// @router /api/dbs/:dbId/restores/:taskId/enable [PUT]
func (d *DbRestore) Enable(rc *req.Ctx) {
err := d.walk(rc, d.DbRestoreApp.Enable)
biz.ErrIsNilAppendErr(err, "启用数据库恢复任务失败: %v")
}
// Disable 删除数据库恢复任务
// @router /api/dbs/:dbId/restores/:taskId/disable [PUT]
func (d *DbRestore) Disable(rc *req.Ctx) {
err := d.walk(rc, d.DbRestoreApp.Disable)
biz.ErrIsNilAppendErr(err, "禁用数据库恢复任务失败: %v")
}
// GetDbNamesWithoutRestore 获取未配置定时恢复的数据库名称
// @router /api/dbs/:dbId/db-names-without-backup [GET]
func (d *DbRestore) GetDbNamesWithoutRestore(rc *req.Ctx) {
dbId := uint64(ginx.PathParamInt(rc.GinCtx, "dbId"))
db, err := d.DbApp.GetById(new(entity.Db), dbId, "instance_id", "database")
biz.ErrIsNilAppendErr(err, "获取数据库信息失败: %v")
dbNames := strings.Fields(db.Database)
dbNamesWithoutRestore, err := d.DbRestoreApp.GetDbNamesWithoutRestore(db.InstanceId, dbNames)
biz.ErrIsNilAppendErr(err, "获取未配置定时备份的数据库名称失败: %v")
rc.ResData = dbNamesWithoutRestore
}