!100 定时清理数据库备份数据

* feat: 优化数据库 BINLOG 同步机制
* feat: 删除数据库实例前需删除关联的数据库备份与恢复任务
* refactor: 重构数据库备份与恢复模块
* feat: 定时清理数据库备份历史和本地 Binlog 文件
* feat: 压缩数据库备份文件

server/internal/db/api/db_instance.go

@@ -0,0 +1,122 @@
+package api
+
+import (
+	"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"
+	"mayfly-go/pkg/utils/cryptox"
+	"strconv"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
+
+type Instance struct {
+	InstanceApp application.Instance `inject:"DbInstanceApp"`
+	DbApp       application.Db       `inject:""`
+}
+
+// Instances 获取数据库实例信息
+// @router /api/instances [get]
+func (d *Instance) Instances(rc *req.Ctx) {
+	queryCond, page := ginx.BindQueryAndPage[*entity.InstanceQuery](rc.GinCtx, new(entity.InstanceQuery))
+	res, err := d.InstanceApp.GetPageList(queryCond, page, new([]vo.InstanceListVO))
+	biz.ErrIsNil(err)
+	rc.ResData = res
+}
+
+func (d *Instance) TestConn(rc *req.Ctx) {
+	form := &form.InstanceForm{}
+	instance := ginx.BindJsonAndCopyTo[*entity.DbInstance](rc.GinCtx, form, new(entity.DbInstance))
+
+	// 密码解密，并使用解密后的赋值
+	originPwd, err := cryptox.DefaultRsaDecrypt(form.Password, true)
+	biz.ErrIsNilAppendErr(err, "解密密码错误: %s")
+	instance.Password = originPwd
+
+	biz.ErrIsNil(d.InstanceApp.TestConn(instance))
+}
+
+// SaveInstance 保存数据库实例信息
+// @router /api/instances [post]
+func (d *Instance) SaveInstance(rc *req.Ctx) {
+	form := &form.InstanceForm{}
+	instance := ginx.BindJsonAndCopyTo[*entity.DbInstance](rc.GinCtx, form, new(entity.DbInstance))
+
+	// 密码解密，并使用解密后的赋值
+	originPwd, err := cryptox.DefaultRsaDecrypt(form.Password, true)
+	biz.ErrIsNilAppendErr(err, "解密密码错误: %s")
+	instance.Password = originPwd
+
+	// 密码脱敏记录日志
+	form.Password = "****"
+	rc.ReqParam = form
+	biz.ErrIsNil(d.InstanceApp.Save(rc.MetaCtx, instance))
+}
+
+// GetInstance 获取数据库实例密码，由于数据库是加密存储，故提供该接口展示原文密码
+// @router /api/instances/:instance [GET]
+func (d *Instance) GetInstance(rc *req.Ctx) {
+	dbId := getInstanceId(rc.GinCtx)
+	dbEntity, err := d.InstanceApp.GetById(new(entity.DbInstance), dbId)
+	biz.ErrIsNil(err, "获取数据库实例错误")
+	dbEntity.Password = ""
+	rc.ResData = dbEntity
+}
+
+// GetInstancePwd 获取数据库实例密码，由于数据库是加密存储，故提供该接口展示原文密码
+// @router /api/instances/:instance/pwd [GET]
+func (d *Instance) GetInstancePwd(rc *req.Ctx) {
+	instanceId := getInstanceId(rc.GinCtx)
+	instanceEntity, err := d.InstanceApp.GetById(new(entity.DbInstance), instanceId, "Password")
+	biz.ErrIsNil(err, "获取数据库实例错误")
+	biz.ErrIsNil(instanceEntity.PwdDecrypt())
+	rc.ResData = instanceEntity.Password
+}
+
+// DeleteInstance 删除数据库实例信息
+// @router /api/instances/:instance [DELETE]
+func (d *Instance) DeleteInstance(rc *req.Ctx) {
+	idsStr := ginx.PathParam(rc.GinCtx, "instanceId")
+	rc.ReqParam = idsStr
+	ids := strings.Split(idsStr, ",")
+
+	for _, v := range ids {
+		value, err := strconv.Atoi(v)
+		biz.ErrIsNilAppendErr(err, "删除数据库实例失败: %s")
+		instanceId := uint64(value)
+		err = d.InstanceApp.Delete(rc.MetaCtx, instanceId)
+		biz.ErrIsNilAppendErr(err, "删除数据库实例失败: %s")
+	}
+}
+
+// 获取数据库实例的所有数据库名
+func (d *Instance) GetDatabaseNames(rc *req.Ctx) {
+	instanceId := getInstanceId(rc.GinCtx)
+	instance, err := d.InstanceApp.GetById(new(entity.DbInstance), instanceId, "Password")
+	biz.ErrIsNil(err, "获取数据库实例错误")
+	biz.ErrIsNil(instance.PwdDecrypt())
+	res, err := d.InstanceApp.GetDatabases(instance)
+	biz.ErrIsNil(err)
+	rc.ResData = res
+}
+
+// 获取数据库实例server信息
+func (d *Instance) GetDbServer(rc *req.Ctx) {
+	instanceId := getInstanceId(rc.GinCtx)
+	conn, err := d.DbApp.GetDbConnByInstanceId(instanceId)
+	biz.ErrIsNil(err)
+	res, err := conn.GetDialect().GetDbServer()
+	biz.ErrIsNil(err)
+	rc.ResData = res
+}
+
+func getInstanceId(g *gin.Context) uint64 {
+	instanceId, _ := strconv.Atoi(g.Param("instanceId"))
+	biz.IsTrue(instanceId > 0, "instanceId 错误")
+	return uint64(instanceId)
+}