mirror of
https://gitee.com/dromara/mayfly-go
synced 2025-11-04 16:30:25 +08:00
346 lines
11 KiB
Go
346 lines
11 KiB
Go
package api
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import (
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"context"
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"mayfly-go/internal/devops/api/form"
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"mayfly-go/internal/devops/api/vo"
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"mayfly-go/internal/devops/application"
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"mayfly-go/internal/devops/domain/entity"
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"mayfly-go/pkg/biz"
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"mayfly-go/pkg/ctx"
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"mayfly-go/pkg/ginx"
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"mayfly-go/pkg/utils"
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/go-redis/redis/v8"
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)
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type Redis struct {
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RedisApp application.Redis
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ProjectApp application.Project
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}
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func (r *Redis) RedisList(rc *ctx.ReqCtx) {
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g := rc.GinCtx
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m := &entity.Redis{EnvId: uint64(ginx.QueryInt(g, "envId", 0)),
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ProjectId: uint64(ginx.QueryInt(g, "projectId", 0)),
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}
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m.CreatorId = rc.LoginAccount.Id
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rc.ResData = r.RedisApp.GetPageList(m, ginx.GetPageParam(rc.GinCtx), new([]vo.Redis))
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}
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func (r *Redis) Save(rc *ctx.ReqCtx) {
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form := &form.Redis{}
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ginx.BindJsonAndValid(rc.GinCtx, form)
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redis := new(entity.Redis)
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utils.Copy(redis, form)
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// 密码解密，并使用解密后的赋值
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originPwd, err := utils.DefaultRsaDecrypt(redis.Password, true)
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biz.ErrIsNilAppendErr(err, "解密密码错误: %s")
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redis.Password = originPwd
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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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redis.SetBaseInfo(rc.LoginAccount)
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r.RedisApp.Save(redis)
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}
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func (r *Redis) DeleteRedis(rc *ctx.ReqCtx) {
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r.RedisApp.Delete(uint64(ginx.PathParamInt(rc.GinCtx, "id")))
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}
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func (r *Redis) RedisInfo(rc *ctx.ReqCtx) {
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ri := r.RedisApp.GetRedisInstance(uint64(ginx.PathParamInt(rc.GinCtx, "id")))
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var res string
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var err error
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ctx := context.Background()
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if ri.Mode == "" || ri.Mode == entity.RedisModeStandalone {
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res, err = ri.Cli.Info(ctx).Result()
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} else if ri.Mode == entity.RedisModeCluster {
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host := rc.GinCtx.Query("host")
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biz.NotEmpty(host, "集群模式host信息不能为空")
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clusterClient := ri.ClusterCli
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var redisClient *redis.Client
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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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redisClient = client
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}
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return nil
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})
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if redisClient == 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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redisClient = 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(redisClient, "该实例不在该集群中")
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res, err = redisClient.Info(ctx).Result()
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}
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biz.ErrIsNilAppendErr(err, "获取redis info失败: %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 := utils.SubString(datas[i], strings.Index(datas[i], "#")+1, utils.StrLen(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 *ctx.ReqCtx) {
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g := rc.GinCtx
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ri := r.RedisApp.GetRedisInstance(uint64(ginx.PathParamInt(g, "id")))
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biz.IsEquals(ri.Mode, entity.RedisModeCluster, "非集群模式")
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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 = map[string]interface{}{
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"clusterInfo": info,
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"clusterNodes": nodesRes,
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}
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}
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// scan获取redis的key列表信息
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func (r *Redis) Scan(rc *ctx.ReqCtx) {
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g := rc.GinCtx
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ri := r.RedisApp.GetRedisInstance(uint64(ginx.PathParamInt(g, "id")))
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biz.ErrIsNilAppendErr(r.ProjectApp.CanAccess(rc.LoginAccount.Id, ri.ProjectId), "%s")
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form := &form.RedisScanForm{}
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ginx.BindJsonAndValid(rc.GinCtx, form)
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cmd := ri.GetCmdable()
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ctx := context.Background()
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kis := make([]*vo.KeyInfo, 0)
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var cursorRes map[string]uint64 = make(map[string]uint64)
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if ri.Mode == "" || ri.Mode == entity.RedisModeStandalone {
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redisAddr := ri.Cli.Options().Addr
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keys, cursor := ri.Scan(form.Cursor[redisAddr], form.Match, form.Count)
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cursorRes[redisAddr] = cursor
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var keyInfoSplit []string
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if len(keys) > 0 {
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keyInfosLua := `local result = {}
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-- KEYS[1]为第1个参数,lua数组下标从1开始
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for i = 1, #KEYS do
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local ttl = redis.call('ttl', KEYS[i]);
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local keyType = redis.call('type', KEYS[i]);
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table.insert(result, string.format("%d,%s", ttl, keyType['ok']));
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end;
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return table.concat(result, ".");`
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// 通过lua获取 ttl,type.ttl2,type2格式，以便下面切割获取ttl和type。避免多次调用ttl和type函数
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keyInfos, err := cmd.Eval(ctx, keyInfosLua, keys).Result()
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biz.ErrIsNilAppendErr(err, "执行lua脚本获取key信息失败: %s")
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keyInfoSplit = strings.Split(keyInfos.(string), ".")
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}
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for i, k := range keys {
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ttlType := strings.Split(keyInfoSplit[i], ",")
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ttl, _ := strconv.Atoi(ttlType[0])
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ki := &vo.KeyInfo{Key: k, Type: ttlType[1], Ttl: int64(ttl)}
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kis = append(kis, ki)
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}
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} else if ri.Mode == entity.RedisModeCluster {
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var keys []string
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mu := &sync.Mutex{}
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// 遍历所有master节点，并执行scan命令，合并keys
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ri.ClusterCli.ForEachMaster(ctx, func(ctx context.Context, client *redis.Client) error {
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redisAddr := client.Options().Addr
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ks, cursor, _ := client.Scan(ctx, form.Cursor[redisAddr], form.Match, form.Count).Result()
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// 遍历节点的内部回调函数使用异步调用，如不加锁会导致集合并发错误
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mu.Lock()
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cursorRes[redisAddr] = cursor
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keys = append(keys, ks...)
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mu.Unlock()
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return nil
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})
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// 因为redis集群模式执行lua脚本key必须位于同一slot中，故单机获取的方式不适合
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// 使用lua获取key的ttl以及类型，减少网络调用
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keyInfoLua := `local ttl = redis.call('ttl', KEYS[1]);
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local keyType = redis.call('type', KEYS[1]);
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return string.format("%d,%s", ttl, keyType['ok'])`
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for _, k := range keys {
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keyInfo, err := cmd.Eval(ctx, keyInfoLua, []string{k}).Result()
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biz.ErrIsNilAppendErr(err, "执行lua脚本获取key信息失败: %s")
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ttlType := strings.Split(keyInfo.(string), ",")
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ttl, _ := strconv.Atoi(ttlType[0])
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ki := &vo.KeyInfo{Key: k, Type: ttlType[1], Ttl: int64(ttl)}
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kis = append(kis, ki)
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}
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}
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size, _ := cmd.DBSize(context.TODO()).Result()
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rc.ResData = &vo.Keys{Cursor: cursorRes, Keys: kis, DbSize: size}
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}
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func (r *Redis) DeleteKey(rc *ctx.ReqCtx) {
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g := rc.GinCtx
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key := g.Query("key")
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biz.NotEmpty(key, "key不能为空")
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ri := r.RedisApp.GetRedisInstance(uint64(ginx.PathParamInt(g, "id")))
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biz.ErrIsNilAppendErr(r.ProjectApp.CanAccess(rc.LoginAccount.Id, ri.ProjectId), "%s")
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rc.ReqParam = key
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ri.GetCmdable().Del(context.Background(), key)
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}
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func (r *Redis) checkKey(rc *ctx.ReqCtx) (*application.RedisInstance, string) {
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g := rc.GinCtx
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key := g.Query("key")
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biz.NotEmpty(key, "key不能为空")
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ri := r.RedisApp.GetRedisInstance(uint64(ginx.PathParamInt(g, "id")))
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biz.ErrIsNilAppendErr(r.ProjectApp.CanAccess(rc.LoginAccount.Id, ri.ProjectId), "%s")
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return ri, key
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}
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func (r *Redis) GetStringValue(rc *ctx.ReqCtx) {
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ri, key := r.checkKey(rc)
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str, err := ri.GetCmdable().Get(context.TODO(), key).Result()
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biz.ErrIsNilAppendErr(err, "获取字符串值失败: %s")
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rc.ResData = str
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}
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func (r *Redis) GetHashValue(rc *ctx.ReqCtx) {
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ri, key := r.checkKey(rc)
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res, err := ri.GetCmdable().HGetAll(context.TODO(), key).Result()
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biz.ErrIsNilAppendErr(err, "获取hash值失败: %s")
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rc.ResData = res
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}
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func (r *Redis) SetStringValue(rc *ctx.ReqCtx) {
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g := rc.GinCtx
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keyValue := new(form.StringValue)
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ginx.BindJsonAndValid(g, keyValue)
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ri := r.RedisApp.GetRedisInstance(uint64(ginx.PathParamInt(g, "id")))
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biz.ErrIsNilAppendErr(r.ProjectApp.CanAccess(rc.LoginAccount.Id, ri.ProjectId), "%s")
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str, err := ri.GetCmdable().Set(context.TODO(), keyValue.Key, keyValue.Value, time.Second*time.Duration(keyValue.Timed)).Result()
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biz.ErrIsNilAppendErr(err, "保存字符串值失败: %s")
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rc.ResData = str
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}
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func (r *Redis) SetHashValue(rc *ctx.ReqCtx) {
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g := rc.GinCtx
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hashValue := new(form.HashValue)
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ginx.BindJsonAndValid(g, hashValue)
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ri := r.RedisApp.GetRedisInstance(uint64(ginx.PathParamInt(g, "id")))
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biz.ErrIsNilAppendErr(r.ProjectApp.CanAccess(rc.LoginAccount.Id, ri.ProjectId), "%s")
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cmd := ri.GetCmdable()
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key := hashValue.Key
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// 简单处理->先删除，后新增
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cmd.Del(context.TODO(), key)
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for _, v := range hashValue.Value {
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res := cmd.HSet(context.TODO(), key, v["key"].(string), v["value"])
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biz.ErrIsNilAppendErr(res.Err(), "保存hash值失败: %s")
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}
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if hashValue.Timed != -1 {
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cmd.Expire(context.TODO(), key, time.Second*time.Duration(hashValue.Timed))
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}
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}
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func (r *Redis) GetSetValue(rc *ctx.ReqCtx) {
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ri, key := r.checkKey(rc)
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res, err := ri.GetCmdable().SMembers(context.TODO(), key).Result()
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biz.ErrIsNilAppendErr(err, "获取set值失败: %s")
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rc.ResData = res
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}
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func (r *Redis) SetSetValue(rc *ctx.ReqCtx) {
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g := rc.GinCtx
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keyvalue := new(form.SetValue)
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ginx.BindJsonAndValid(g, keyvalue)
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ri := r.RedisApp.GetRedisInstance(uint64(ginx.PathParamInt(g, "id")))
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biz.ErrIsNilAppendErr(r.ProjectApp.CanAccess(rc.LoginAccount.Id, ri.ProjectId), "%s")
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cmd := ri.GetCmdable()
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key := keyvalue.Key
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// 简单处理->先删除，后新增
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cmd.Del(context.TODO(), key)
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cmd.SAdd(context.TODO(), key, keyvalue.Value...)
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if keyvalue.Timed != -1 {
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cmd.Expire(context.TODO(), key, time.Second*time.Duration(keyvalue.Timed))
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}
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}
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