gf/frame/gins/gins_redis.go

53 lines
1.6 KiB
Go

// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package gins
import (
"fmt"
"github.com/gogf/gf/database/gredis"
"github.com/gogf/gf/util/gconv"
)
const (
gFRAME_CORE_COMPONENT_NAME_REDIS = "gf.core.component.redis"
)
// Redis returns an instance of redis client with specified configuration group name.
func Redis(name ...string) *gredis.Redis {
config := Config()
group := gredis.DEFAULT_GROUP_NAME
if len(name) > 0 && name[0] != "" {
group = name[0]
}
instanceKey := fmt.Sprintf("%s.%s", gFRAME_CORE_COMPONENT_NAME_REDIS, group)
result := instances.GetOrSetFuncLock(instanceKey, func() interface{} {
// If already configured, it returns the redis instance.
if _, ok := gredis.GetConfig(group); ok {
return gredis.Instance(group)
}
// Or else, it parses the default configuration file and returns a new redis instance.
if m := config.GetMap("redis"); m != nil {
if v, ok := m[group]; ok {
redisConfig, err := gredis.ConfigFromStr(gconv.String(v))
if err != nil {
panic(err)
}
return gredis.New(redisConfig)
} else {
panic(fmt.Sprintf(`configuration for redis not found for group "%s"`, group))
}
} else {
panic(fmt.Sprintf(`incomplete configuration for redis: "redis" node not found in config file "%s"`, config.FilePath()))
}
return nil
})
if result != nil {
return result.(*gredis.Redis)
}
return nil
}