redis3 supports sentinel

weed/command/scaffold/filer.toml

@@ -199,6 +199,14 @@ address = "localhost:6379"
 password = ""
 database = 0
 
+[redis3_sentinel]
+enabled = false
+addresses = ["172.22.12.7:26379","172.22.12.8:26379","172.22.12.9:26379"]
+masterName = "master"
+username = ""
+password = ""
+database = 0
+
 [redis_cluster3] # beta
 enabled = false
 addresses = [

weed/filer/redis3/redis_sentinel_store.go

@@ -0,0 +1,49 @@
+package redis3
+
+import (
+	"time"
+
+	"github.com/chrislusf/seaweedfs/weed/filer"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	"github.com/go-redis/redis/v8"
+	"github.com/go-redsync/redsync/v4"
+	"github.com/go-redsync/redsync/v4/redis/goredis/v8"
+)
+
+func init() {
+	filer.Stores = append(filer.Stores, &Redis3SentinelStore{})
+}
+
+type Redis3SentinelStore struct {
+	UniversalRedis3Store
+}
+
+func (store *Redis3SentinelStore) GetName() string {
+	return "redis3_sentinel"
+}
+
+func (store *Redis3SentinelStore) Initialize(configuration util.Configuration, prefix string) (err error) {
+	return store.initialize(
+		configuration.GetStringSlice(prefix+"addresses"),
+		configuration.GetString(prefix+"masterName"),
+		configuration.GetString(prefix+"username"),
+		configuration.GetString(prefix+"password"),
+		configuration.GetInt(prefix+"database"),
+	)
+}
+
+func (store *Redis3SentinelStore) initialize(addresses []string, masterName string, username string, password string, database int) (err error) {
+	store.Client = redis.NewFailoverClient(&redis.FailoverOptions{
+		MasterName:      masterName,
+		SentinelAddrs:   addresses,
+		Username:        username,
+		Password:        password,
+		DB:              database,
+		MinRetryBackoff: time.Millisecond * 100,
+		MaxRetryBackoff: time.Minute * 1,
+		ReadTimeout:     time.Second * 30,
+		WriteTimeout:    time.Second * 5,
+	})
+	store.redsync = redsync.New(goredis.NewPool(store.Client))
+	return
+}