Add support for Redis Universal Client

redis/config.go

@@ -32,28 +32,23 @@ type Config struct {
 	// Optional. Default is 0
 	Database int
 
-	// URL the standard format redis url to parse all other options. If this is set all other config options, Host, Port, Username, Password, Database have no effect.
+	// URL standard format Redis URL. If this is set all other config options, Host, Port, Username, Password, Database have no effect.
 	//
 	// Example: redis://<user>:<pass>@localhost:6379/<db>
 	// Optional. Default is ""
 	URL string
 
-	// EnableFailover to use redis FailoverClient with Sentinel instead of the standard redis Client
+	// Either a single address or a seed list of host:port addresses, this enables FailoverClient and ClusterClient
-	//
-	// Optional. Default is false
-	EnableFailover bool
-
-	// SentinelHosts where the Redis Sentinel is hosted
 	//
 	// Optional. Default is []string{}
-	SentinelHosts []string
+	Addrs []string
 
 	// MasterName is the sentinel master's name
 	//
 	// Optional. Default is ""
 	MasterName string
 
-	// ClientName will execute the `CLIENT SETNAME ClientName` command for each sentinel conn.
+	// ClientName will execute the `CLIENT SETNAME ClientName` command for each conn.
 	//
 	// Optional. Default is ""
 	ClientName string
@@ -82,12 +77,6 @@ type Config struct {
 	//
 	// Optional. Default is 10 connections per every available CPU as reported by runtime.GOMAXPROCS.
 	PoolSize int
-
-	////////////////////////////////////
-	// Adaptor related config options //
-	////////////////////////////////////
-
-	// https://pkg.go.dev/github.com/go-redis/redis/v8#Options
 }
 
 // ConfigDefault is the default config
@@ -101,9 +90,8 @@ var ConfigDefault = Config{
 	Reset:                 false,
 	TLSConfig:             nil,
 	PoolSize:              10 * runtime.GOMAXPROCS(0),
-	EnableFailover:   false,
+	Addrs:                 []string{},
 	MasterName:            "",
-	SentinelHosts:    []string{},
 	ClientName:            "",
 	SentinelUsername:      "",
 	SentinelPassword:      "",

redis/redis.go

@@ -10,7 +10,7 @@ import (
 
 // Storage interface that is implemented by storage providers
 type Storage struct {
-	db *redis.Client
+	db redis.UniversalClient
 }
 
 // New creates a new redis storage
@@ -18,41 +18,38 @@ func New(config ...Config) *Storage {
 	// Set default config
 	cfg := configDefault(config...)
 
-	// Create new redis client
+	// Create new redis universal client
-	var db *redis.Client
+	var db redis.UniversalClient
 
-	if cfg.URL != "" && !cfg.EnableFailover {
+	// Parse the URL and update config values accordingly
+	if cfg.URL != "" {
 		options, err := redis.ParseURL(cfg.URL)
-
 		if err != nil {
 			panic(err)
 		}
 
-		options.TLSConfig = cfg.TLSConfig
+		// Update the config values with the parsed URL values
-		options.PoolSize = cfg.PoolSize
+		cfg.Username = options.Username
-		db = redis.NewClient(options)
+		cfg.Password = options.Password
-	} else if cfg.EnableFailover {
+		cfg.Database = options.DB
-		db = redis.NewFailoverClient(&redis.FailoverOptions{
+		cfg.Addrs = []string{options.Addr}
+	} else if len(cfg.Addrs) == 0 {
+		// Fallback to Host and Port values if Addrs is empty
+		cfg.Addrs = []string{fmt.Sprintf("%s:%d", cfg.Host, cfg.Port)}
+	}
+
+	db = redis.NewUniversalClient(&redis.UniversalOptions{
+		Addrs:            cfg.Addrs,
 		MasterName:       cfg.MasterName,
-			SentinelAddrs:    cfg.SentinelHosts,
 		ClientName:       cfg.ClientName,
 		SentinelUsername: cfg.SentinelUsername,
 		SentinelPassword: cfg.SentinelPassword,
 		DB:               cfg.Database,
-			Password:         cfg.Password,
-			TLSConfig:        cfg.TLSConfig,
-			PoolSize:         cfg.PoolSize,
-		})
-	} else {
-		db = redis.NewClient(&redis.Options{
-			Addr:      fmt.Sprintf("%s:%d", cfg.Host, cfg.Port),
-			DB:        cfg.Database,
 		Username:         cfg.Username,
 		Password:         cfg.Password,
 		TLSConfig:        cfg.TLSConfig,
 		PoolSize:         cfg.PoolSize,
 	})
-	}
 
 	// Test connection
 	if err := db.Ping(context.Background()).Err(); err != nil {
@@ -72,6 +69,8 @@ func New(config ...Config) *Storage {
 	}
 }
 
+// ...
+
 // Get value by key
 func (s *Storage) Get(key string) ([]byte, error) {
 	if len(key) <= 0 {
@@ -86,7 +85,6 @@ func (s *Storage) Get(key string) ([]byte, error) {
 
 // Set key with value
 func (s *Storage) Set(key string, val []byte, exp time.Duration) error {
-	// Ain't Nobody Got Time For That
 	if len(key) <= 0 || len(val) <= 0 {
 		return nil
 	}
@@ -95,7 +93,6 @@ func (s *Storage) Set(key string, val []byte, exp time.Duration) error {
 
 // Delete key by key
 func (s *Storage) Delete(key string) error {
-	// Ain't Nobody Got Time For That
 	if len(key) <= 0 {
 		return nil
 	}
@@ -113,6 +110,6 @@ func (s *Storage) Close() error {
 }
 
 // Return database client
-func (s *Storage) Conn() *redis.Client {
+func (s *Storage) Conn() redis.UniversalClient {
 	return s.db
 }

redis/redis_test.go

@@ -192,14 +192,10 @@ func Test_Redis_Initalize_WithURL_TLS(t *testing.T) {
 	utils.AssertEqual(t, nil, testStoreUrl.Close())
 }
 
-func Test_Redis_Sentinel(t *testing.T) {
+func Test_Redis_Universal(t *testing.T) {
-	testStoreSentinel := New(Config{
+	// This should failover and create a Single Node connection.
-		EnableFailover:   true,
+	testStoreUniversal := New(Config{
-		MasterName:       "",
+		Addrs:         []string{"localhost:6379"},
-		SentinelHosts:    []string{"localhost:6379"},
-		ClientName:       "",
-		SentinelUsername: "",
-		SentinelPassword: "",
 	})
 
 	var (
@@ -207,15 +203,41 @@ func Test_Redis_Sentinel(t *testing.T) {
 		val = []byte("wayne")
 	)
 
-	err := testStoreSentinel.Set(key, val, 0)
+	err := testStoreUniversal.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 
-	result, err := testStoreSentinel.Get(key)
+	result, err := testStoreUniversal.Get(key)
 	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, val, result)
 
-	err = testStoreSentinel.Delete(key)
+	err = testStoreUniversal.Delete(key)
 	utils.AssertEqual(t, nil, err)
 
-	utils.AssertEqual(t, nil, testStoreSentinel.Close())
+	utils.AssertEqual(t, nil, testStoreUniversal.Close())
+}
+
+func Test_Redis_Universal_With_URL(t *testing.T) {
+	// This should failover to creating a regular *redis.Client
+	// The URL should get ignored since EnableUniversalClient is enabled
+	testStoreUniversal := New(Config{
+		URL:           "",
+		Addrs:         []string{"localhost:6379"},
+	})
+
+	var (
+		key = "bruce"
+		val = []byte("wayne")
+	)
+
+	err := testStoreUniversal.Set(key, val, 0)
+	utils.AssertEqual(t, nil, err)
+
+	result, err := testStoreUniversal.Get(key)
+	utils.AssertEqual(t, nil, err)
+	utils.AssertEqual(t, val, result)
+
+	err = testStoreUniversal.Delete(key)
+	utils.AssertEqual(t, nil, err)
+
+	utils.AssertEqual(t, nil, testStoreUniversal.Close())
 }