dbkvconfig

README

dbkvconfig

Link for explanation : https://medium.com/@djohanprabowo97/store-and-reinit-key-value-config-case-microservice-architecture-using-go-lang-171f737d05e5

Documentation

Index

• Constants
• type DBKVCfg
  • func NewDBKVConfig(listKey []KeyValueInit, master, slave *sqlx.DB, redisPool *redis.Pool, ...) (*DBKVCfg, error)
  • func (dbkv *DBKVCfg) GetConfig(key string) (interface{}, error)
  • func (dbkv *DBKVCfg) InsertConfig(key, value string) error
  • func (dbkv *DBKVCfg) UpdateConfig(key, value string) error
• type KeyValueInit
• type OptionsCfg

Constants

const (
	DefaultApplication = "Default-Application"
	KeyRedisDefault    = "dbkvconfiglistener"
)

Const Default Config

const (
	ConfigNotFoundMsg   = "ConfigNotFound"
	UpdateTooFast       = "UpdateConfigIsTooFast"
	OnlyInsertNewConfig = "OnlyInsertNewConfig"
)

Const For Error

Types

type DBKVCfg

type DBKVCfg struct {
	// contains filtered or unexported fields
}

DBKVCfg struct library DBKV Config

func NewDBKVConfig

func NewDBKVConfig(listKey []KeyValueInit, master, slave *sqlx.DB, redisPool *redis.Pool, opts ...OptionsCfg) (*DBKVCfg, error)

NewDBKVConfig Init Library support slave master DB

func (*DBKVCfg) GetConfig

func (dbkv *DBKVCfg) GetConfig(key string) (interface{}, error)

GetConfig func to get config return interface

func (*DBKVCfg) InsertConfig

func (dbkv *DBKVCfg) InsertConfig(key, value string) error

InsertConfig insert new config value without publish message

func (*DBKVCfg) UpdateConfig

func (dbkv *DBKVCfg) UpdateConfig(key, value string) error

UpdateConfig validating first after that update on DB and set to redis

type KeyValueInit

type KeyValueInit struct {
	KeyConfig    string
	DefaultValue interface{}
}

KeyValueInit from User User must set default value ex. for int using 0 or string using "" If config with struct must using struct json with pointer

type OptionsCfg

type OptionsCfg struct {
	WatchInterval    int
	TTLRedis         int
	UseRedisPubSub   bool
	NameApplication  string
	KeyRedisListener string
	KeyNameColumn    string
	ValueNameColumn  string
	TableName        string
}

OptionsCfg Config for user preferences