cfg

README

cfg 配置中心

• 读取配置顺序 内存缓存 -> Redis -> Mysql -> 本地Yaml文件 -> 环境变量
• 以Mysql数据为基准数据, 每次设置会更新Mysql , 同时清空缓存
• 提供grpc 接口 ,提供grpc-gateway 形式作为http接口,进行数据读取
• 也可以导入组合成到项目中去使用,由于是独立的项目,也避免了循环导包的尴尬

todo :

1. etcd 作为存储介质,然后增加同步内存缓存策略
2. websocket接口

Documentation

Index

• Constants
• func Get(ctx context.Context, k string, defaultV ...string) (v string)
• func Json(v interface{}) string
• func Set(ctx context.Context, k, v string) error
• func StandCode(code string) string
• func Yaml2Map(data3 []byte) map[string]interface{}
• type Config
• type ConfigStatus
• type I

Constants

const (
	// yaml配置文件 环境变量键名
	YamlFileEnvKey  = "CFG_YAML"
	YamlDefaultPath = "application.yaml"

	// db 相关
	MysqlUserKey     = "DB_MYSQL_USER"
	DefaultMYSQLUser = "root"
	MysqlPwdKey      = "DB_MYSQL_PWD"
	DefaultMYSQLPwd  = "mysql"
	MysqlHostKey     = "DB_MYSQL_HOST"
	DefaultMYSQLHost = "127.0.0.1"
	MysqlPortKey     = "DB_MYSQL_USER"
	DefaultMYSQLPort = "3306"
	MysqlDBKey       = "DB_MYSQL_DB"
	DefaultMYSQLDB   = "cfg_db"

	// redis
	RedisHostKey     = "DB_REDIS_HOST"
	DefaultRedisHost = "127.0.0.1"
	RedisPortKey     = "DB_REDIS_PORT"
	DefaultRedisPort = "6379"
	RedisPwdKey      = "DB_REDIS_PWD"
	DefaultRedisPwd  = ""
	RedisDBKey       = "DB_REDIS_DB"
	DefaultRedisDB   = "1"

	// 缓存相关默认值
	DefaultCacheTime = 3600 * time.Second
	ScanInterval     = 30 * time.Second

	// grpc
	GrpcHostKey     = "SERVER_GRPC_HOST"
	GrpcPortKey     = "SERVER_GRPC_PORT"
	GrpcDefaultHost = "0.0.0.0"
	GrpcDefaultPort = 7720

	// grpc 网关
	GrpcGateWayHostKey     = "SERVER_GRPC_GATEWAY_HOST"
	GrpcGateWayPortKey     = "SERVER_GRPC_GATEWAY_PORT"
	GrpcGateWayDefaultHost = "0.0.0.0"
	GrpcGateWayDefaultPort = 7721
)

Functions

func Get

func Get(ctx context.Context, k string, defaultV ...string) (v string)

读取环境变量逻辑

func Json

func Json(v interface{}) string

func Set

func Set(ctx context.Context, k, v string) error

设置配置逻辑

func StandCode

func StandCode(code string) string

配置文件 code 的标准命名,存DB和程序运行中都存储的该命名

最终目标 server.env => SERVER_ENV

func Yaml2Map

func Yaml2Map(data3 []byte) map[string]interface{}

Types

type Config

type Config struct {
	Code    string `xorm:"varchar(64) pk" remark:"配置编码"`
	Name    string `xorm:"varchar(32)" remark:"配置名称"`
	Value   string `xorm:"text" remark:"配置值"`
	Remark  string `xorm:"text" remark:"配置备注"`
	Version int64  `xorm:"version index"`
	Created int64  `xorm:"created" remark:"创建时间"`
	Updated int64  `xorm:"updated" remark:"更新时间"`
	Deleted int64  `xorm:"deleted default(0)" remark:"删除时间"`
}

type ConfigStatus

type ConfigStatus int8

type I

type I interface{}