add option for sentinel password

sentinel.go

@@ -28,6 +28,7 @@ type FailoverOptions struct {
 	OnConnect func(*Conn) error
 
 	Password         string
+	SentinelPassword string
 	DB               int
 
 	MaxRetries      int
@@ -82,6 +83,7 @@ func NewFailoverClient(failoverOpt *FailoverOptions) *Client {
 	failover := &sentinelFailover{
 		masterName:    failoverOpt.MasterName,
 		sentinelAddrs: failoverOpt.SentinelAddrs,
+		password:      failoverOpt.SentinelPassword,
 
 		opt: opt,
 	}
@@ -276,6 +278,7 @@ type sentinelFailover struct {
 	sentinelAddrs []string
 
 	opt      *Options
+	password string
 
 	pool     *pool.ConnPool
 	poolOnce sync.Once
@@ -334,6 +337,8 @@ func (c *sentinelFailover) masterAddr() (string, error) {
 		sentinel := NewSentinelClient(&Options{
 			Addr: sentinelAddr,
 
+			Password: c.password,
+
 			MaxRetries: c.opt.MaxRetries,
 
 			DialTimeout:  c.opt.DialTimeout,