refactor(redis): add NonBlock config, disable redis ping by default (#3073)

core/stores/redis/conf.go

@@ -1,6 +1,9 @@
 package redis
 
-import "errors"
+import (
+	"errors"
+	"time"
+)
 
 var (
 	// ErrEmptyHost is an error that indicates no redis host is set.
@@ -9,17 +12,18 @@ var (
 	ErrEmptyType = errors.New("empty redis type")
 	// ErrEmptyKey is an error that indicates no redis key is set.
 	ErrEmptyKey = errors.New("empty redis key")
-	// ErrPing is an error that indicates ping failed.
-	ErrPing = errors.New("ping redis failed")
 )
 
 type (
 	// A RedisConf is a redis config.
 	RedisConf struct {
-		Host string
-		Type string `json:",default=node,options=node|cluster"`
-		Pass string `json:",optional"`
-		Tls  bool   `json:",optional"`
+		Host     string
+		Type     string `json:",default=node,options=node|cluster"`
+		Pass     string `json:",optional"`
+		Tls      bool   `json:",optional"`
+		NonBlock bool   `json:",default=true"`
+		// PingTimeout is the timeout for ping redis.
+		PingTimeout time.Duration `json:",default=1s"`
 	}
 
 	// A RedisKeyConf is a redis config with key.