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			290 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package api
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import (
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	"context"
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	"mayfly-go/internal/pkg/consts"
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	"mayfly-go/internal/pkg/utils"
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	"mayfly-go/internal/redis/api/form"
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	"mayfly-go/internal/redis/api/vo"
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	"mayfly-go/internal/redis/application"
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	"mayfly-go/internal/redis/application/dto"
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	"mayfly-go/internal/redis/domain/entity"
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	"mayfly-go/internal/redis/imsg"
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	"mayfly-go/internal/redis/rdm"
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	tagapp "mayfly-go/internal/tag/application"
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	tagentity "mayfly-go/internal/tag/domain/entity"
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	"mayfly-go/pkg/biz"
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	"mayfly-go/pkg/model"
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	"mayfly-go/pkg/req"
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	"mayfly-go/pkg/utils/collx"
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	"mayfly-go/pkg/utils/stringx"
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	"strings"
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	"github.com/may-fly/cast"
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	"github.com/redis/go-redis/v9"
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)
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type Redis struct {
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	redisApp application.Redis `inject:"T"`
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	tagApp   tagapp.TagTree    `inject:"T"`
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}
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func (rs *Redis) ReqConfs() *req.Confs {
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	reqs := [...]*req.Conf{
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		// 获取redis list
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		req.NewGet("", rs.RedisList),
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		req.NewPost("/test-conn", rs.TestConn),
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		req.NewPost("", rs.Save).Log(req.NewLogSaveI(imsg.LogRedisSave)),
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		req.NewDelete(":id", rs.DeleteRedis).Log(req.NewLogSaveI(imsg.LogRedisDelete)),
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		req.NewGet("/:id/info", rs.RedisInfo),
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		req.NewGet(":id/cluster-info", rs.ClusterInfo),
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		req.NewPost(":id/:db/run-cmd", rs.RunCmd).Log(req.NewLogSaveI(imsg.LogRedisRunCmd)),
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		// 获取指定redis keys
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		req.NewPost(":id/:db/scan", rs.ScanKeys),
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		req.NewGet(":id/:db/key-info", rs.KeyInfo),
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		req.NewGet(":id/:db/key-ttl", rs.TtlKey),
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		req.NewGet(":id/:db/key-memuse", rs.MemoryUsage),
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	}
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	return req.NewConfs("/redis", reqs[:]...)
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}
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func (r *Redis) RedisList(rc *req.Ctx) {
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	queryCond, page := req.BindQueryAndPage[*entity.RedisQuery](rc, new(entity.RedisQuery))
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	// 不存在可访问标签id,即没有可操作数据
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	tags := r.tagApp.GetAccountTags(rc.GetLoginAccount().Id, &tagentity.TagTreeQuery{
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		TypePaths:     collx.AsArray(tagentity.NewTypePaths(tagentity.TagTypeRedis)),
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		CodePathLikes: collx.AsArray(queryCond.TagPath),
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	})
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	if len(tags) == 0 {
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		rc.ResData = model.EmptyPageResult[any]()
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		return
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	}
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	queryCond.Codes = tags.GetCodes()
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	var redisvos []*vo.Redis
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	res, err := r.redisApp.GetPageList(queryCond, page, &redisvos)
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	biz.ErrIsNil(err)
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	// 填充标签信息
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	r.tagApp.FillTagInfo(tagentity.TagType(consts.ResourceTypeRedis), collx.ArrayMap(redisvos, func(rvo *vo.Redis) tagentity.ITagResource {
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		return rvo
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	})...)
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	rc.ResData = res
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}
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func (r *Redis) TestConn(rc *req.Ctx) {
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	form := &form.Redis{}
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	redis := req.BindJsonAndCopyTo[*entity.Redis](rc, form, new(entity.Redis))
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	authCert := &tagentity.ResourceAuthCert{
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		Username:       form.Username,
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		Ciphertext:     form.Password,
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		CiphertextType: tagentity.AuthCertCiphertextTypePassword,
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		Type:           tagentity.AuthCertTypePrivate,
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	}
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	if form.Mode == string(rdm.SentinelMode) {
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		encPwd, err := utils.PwdAesEncrypt(form.RedisNodePassword)
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		biz.ErrIsNil(err)
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		authCert.SetExtraValue("redisNodePassword", encPwd)
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	}
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	biz.ErrIsNil(r.redisApp.TestConn(&dto.SaveRedis{
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		Redis:    redis,
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		AuthCert: authCert,
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	}))
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}
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func (r *Redis) Save(rc *req.Ctx) {
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	form := &form.Redis{}
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	redis := req.BindJsonAndCopyTo[*entity.Redis](rc, form, new(entity.Redis))
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	redisParam := &dto.SaveRedis{
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		Redis:        redis,
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		TagCodePaths: form.TagCodePaths,
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	}
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	authCert := &tagentity.ResourceAuthCert{
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		Username:       form.Username,
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		Ciphertext:     form.Password,
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		CiphertextType: tagentity.AuthCertCiphertextTypePassword,
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		Type:           tagentity.AuthCertTypePrivate,
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	}
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	if form.Mode == string(rdm.SentinelMode) {
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		encPwd, err := utils.PwdAesEncrypt(form.RedisNodePassword)
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		biz.ErrIsNil(err)
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		authCert.SetExtraValue("redisNodePassword", encPwd)
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	}
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	redisParam.AuthCert = authCert
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	// 密码脱敏记录日志
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	form.Password = "****"
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	rc.ReqParam = form
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	biz.ErrIsNil(r.redisApp.SaveRedis(rc.MetaCtx, redisParam))
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}
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func (r *Redis) DeleteRedis(rc *req.Ctx) {
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	idsStr := rc.PathParam("id")
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	rc.ReqParam = idsStr
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	ids := strings.Split(idsStr, ",")
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	for _, v := range ids {
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		r.redisApp.Delete(rc.MetaCtx, cast.ToUint64(v))
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	}
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}
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func (r *Redis) RedisInfo(rc *req.Ctx) {
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	ri, err := r.redisApp.GetRedisConn(uint64(rc.PathParamInt("id")), 0)
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	biz.ErrIsNil(err)
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	section := rc.Query("section")
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	mode := ri.Info.Mode
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	ctx := context.Background()
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	var redisCli *redis.Client
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	if mode == "" || mode == rdm.StandaloneMode || mode == rdm.SentinelMode {
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		redisCli = ri.Cli
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	} else if mode == rdm.ClusterMode {
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		host := rc.Query("host")
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		biz.NotEmpty(host, "the cluster mode host info cannot be empty")
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		clusterClient := ri.ClusterCli
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		// 遍历集群的master节点找到该redis client
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		clusterClient.ForEachMaster(ctx, func(ctx context.Context, client *redis.Client) error {
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			if host == client.Options().Addr {
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				redisCli = client
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			}
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			return nil
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		})
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		if redisCli == nil {
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			// 遍历集群的slave节点找到该redis client
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			clusterClient.ForEachSlave(ctx, func(ctx context.Context, client *redis.Client) error {
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				if host == client.Options().Addr {
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					redisCli = client
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				}
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				return nil
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			})
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		}
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		biz.NotNil(redisCli, "the instance is not in the cluster")
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	}
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	var res string
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	if section == "" {
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		res, err = redisCli.Info(ctx).Result()
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	} else {
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		res, err = redisCli.Info(ctx, section).Result()
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	}
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	biz.ErrIsNilAppendErr(err, "get redis info error: %s")
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	datas := strings.Split(res, "\r\n")
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	i := 0
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	length := len(datas)
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	parseMap := make(map[string]map[string]string)
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	for {
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		if i >= length {
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			break
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		}
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		if strings.Contains(datas[i], "#") {
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			key := stringx.SubString(datas[i], strings.Index(datas[i], "#")+1, stringx.Len(datas[i]))
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			i++
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			key = strings.Trim(key, " ")
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			sectionMap := make(map[string]string)
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			for {
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				if i >= length || !strings.Contains(datas[i], ":") {
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					break
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				}
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				pair := strings.Split(datas[i], ":")
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				i++
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				if len(pair) != 2 {
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					continue
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				}
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				sectionMap[pair[0]] = pair[1]
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			}
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			parseMap[key] = sectionMap
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		} else {
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			i++
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		}
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	}
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	rc.ResData = parseMap
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}
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func (r *Redis) ClusterInfo(rc *req.Ctx) {
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	ri, err := r.redisApp.GetRedisConn(uint64(rc.PathParamInt("id")), 0)
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	biz.ErrIsNil(err)
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	biz.IsEquals(ri.Info.Mode, rdm.ClusterMode, "non-cluster mode")
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	info, _ := ri.ClusterCli.ClusterInfo(context.Background()).Result()
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	nodesStr, _ := ri.ClusterCli.ClusterNodes(context.Background()).Result()
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	nodesRes := make([]map[string]string, 0)
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	nodes := strings.Split(nodesStr, "\n")
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	for _, node := range nodes {
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		if node == "" {
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			continue
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		}
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		nodeInfos := strings.Split(node, " ")
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		node := make(map[string]string)
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		node["nodeId"] = nodeInfos[0]
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		// ip:port1@port2:port1指redis服务器与客户端通信的端口,port2则是集群内部节点间通信的端口
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		node["ip"] = nodeInfos[1]
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		node["flags"] = nodeInfos[2]
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		// 如果节点是slave,并且已知master节点,则为master节点ID;否则为符号"-"
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		node["masterSlaveRelation"] = nodeInfos[3]
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		// 最近一次发送ping的时间,这个时间是一个unix毫秒时间戳,0代表没有发送过
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		node["pingSent"] = nodeInfos[4]
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		// 最近一次收到pong的时间,使用unix时间戳表示
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		node["pongRecv"] = nodeInfos[5]
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		// 节点的epoch值(如果该节点是从节点,则为其主节点的epoch值)。每当节点发生失败切换时,都会创建一个新的,独特的,递增的epoch。
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		// 如果多个节点竞争同一个哈希槽时,epoch值更高的节点会抢夺到
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		node["configEpoch"] = nodeInfos[6]
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		// node-to-node集群总线使用的链接的状态,我们使用这个链接与集群中其他节点进行通信.值可以是 connected 和 disconnected
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		node["linkState"] = nodeInfos[7]
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		// slave节点没有插槽信息
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		if len(nodeInfos) > 8 {
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			// slot:master节点第9位为哈希槽值或者一个哈希槽范围,代表当前节点可以提供服务的所有哈希槽值。如果只是一个值,那就是只有一个槽会被使用。
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			// 如果是一个范围,这个值表示为起始槽-结束槽,节点将处理包括起始槽和结束槽在内的所有哈希槽。
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			node["slot"] = nodeInfos[8]
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		}
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		nodesRes = append(nodesRes, node)
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	}
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	rc.ResData = collx.M{
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		"clusterInfo":  info,
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		"clusterNodes": nodesRes,
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	}
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}
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// 校验查询参数中的key为必填项,并返回redis实例
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func (r *Redis) checkKeyAndGetRedisConn(rc *req.Ctx) (*rdm.RedisConn, string) {
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	key := rc.Query("key")
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	biz.NotEmpty(key, "key cannot be empty")
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	return r.getRedisConn(rc), key
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}
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func (r *Redis) getRedisConn(rc *req.Ctx) *rdm.RedisConn {
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	ri, err := r.redisApp.GetRedisConn(getIdAndDbNum(rc))
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	biz.ErrIsNil(err)
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	biz.ErrIsNilAppendErr(r.tagApp.CanAccess(rc.GetLoginAccount().Id, ri.Info.CodePath...), "%s")
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	return ri
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}
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// 获取redis id与要操作的库号(统一路径)
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func getIdAndDbNum(rc *req.Ctx) (uint64, int) {
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	return uint64(rc.PathParamInt("id")), rc.PathParamInt("db")
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}
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