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config.go
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config.go
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package internal
import (
"strings"
"sync"
"gopkg.in/apollo.v0"
)
var (
simpleConfig *Config
chassixConfigs map[string]interface{}
configs *Configs
)
const (
KeyAppConfig = "chassix.app"
KeyApolloConfig = "chassix.apollo"
KeyServerConfig = "chassix.server"
KeyLoggingConfig = "chassix.logging"
)
type Configs struct {
lock sync.RWMutex `yaml:"-"`
chassixConfigs map[string]interface{}
}
//Config all config
type Config struct {
AppConfig `yaml:",inline"`
//Server ServerConfig `yaml:"server"`
ApolloConfig `yaml:",inline"`
}
func (c *Configs) RLock() {
c.lock.RLock()
}
func (c *Configs) RUnlock() {
c.lock.RUnlock()
}
func (c *Configs) Lock() {
c.lock.Lock()
}
func (c *Configs) UnLock() {
c.lock.Unlock()
}
//AppConfig application config
type AppConfig struct {
Data struct {
Name string
Version string
Env string
Debug bool
} `yaml:"app"`
}
//ServerConfig server config
type ServerConfig struct {
Data ServerConfigData `yaml:"server"`
}
//ServerConfig
type ServerConfigData struct {
Port int
Addr string
}
//App app config
func App() *AppConfig {
configs.Lock()
defer configs.UnLock()
return configs.App()
}
//Server server config
func Server() *ServerConfig {
configs.Lock()
defer configs.UnLock()
return configs.Server()
}
func Logging() *LoggingConfig {
configs.Lock()
defer configs.UnLock()
return configs.Logging()
}
// ApolloConfig apollo config
type ApolloConfig struct {
Data struct {
Enabled bool `yaml:"enabled"`
Settings apollo.Conf `yaml:"settings"`
} `yaml:"apollo"`
}
//UsingYaml
func UsingYaml() {
configs.RLock()
defer configs.RUnlock()
LoadConfigsFromEnvFile(configs.chassixConfigs)
}
func UsingApollo() {
configs.RLock()
defer configs.RUnlock()
}
func LoadSimpleConfig() {
LoadFromEnvFile(simpleConfig)
}
// IsApolloEnabled is apollo enable
func IsApolloEnabled() bool {
return simpleConfig.ApolloConfig.Data.Enabled
}
func Load() {
LoadSimpleConfig()
if simpleConfig.AppConfig.Data.Debug {
IsDebug = true
}
if IsApolloEnabled() {
GetLogger().Info("using apollo config")
UsingApollo()
return
}
UsingYaml()
GetLogger().Info("using yaml file config")
}
func init() {
configsInstance()
appConfig = new(AppConfig)
serverConfig = new(ServerConfig)
apolloConfig = new(ApolloConfig)
simpleConfig = new(Config)
loggingConfig = new(LoggingConfig)
}
var appConfig *AppConfig
var serverConfig *ServerConfig
var apolloConfig *ApolloConfig
var loggingConfig *LoggingConfig
var configsInitOnce sync.Once
func configsInstance() *Configs {
configsInitOnce.Do(func() {
configs = new(Configs)
configs.chassixConfigs = make(map[string]interface{})
})
return configs
}
func WatchBootstrapConfig() {
configs.Watch(KeyAppConfig, appConfig)
configs.Watch(KeyServerConfig, serverConfig)
configs.Watch(KeyApolloConfig, apolloConfig)
configs.Watch(KeyLoggingConfig, loggingConfig)
}
func Watch(name string, cfg interface{}) {
configs.Watch(name, cfg)
}
func (c *Configs) Watch(name string, cfg interface{}) {
c.chassixConfigs[name] = cfg
}
//App return app config
func (c *Configs) App() *AppConfig {
return c.chassixConfigs[KeyAppConfig].(*AppConfig)
}
//Server get server config: port addr
func (c *Configs) Server() *ServerConfig {
return c.chassixConfigs[KeyServerConfig].(*ServerConfig)
}
//Apollo apollo server settings: ip, namespaces...
func (c *Configs) Apollo() *ApolloConfig {
return c.chassixConfigs[KeyApolloConfig].(*ApolloConfig)
}
//Get get config by map key
func (c *Configs) Get(key string) (interface{}, bool) {
val, ok := c.chassixConfigs[key]
return val, ok
}
//Logging logging config
func (c *Configs) Logging() *LoggingConfig {
return c.chassixConfigs[KeyLoggingConfig].(*LoggingConfig)
}
type LoggingConfig struct {
Data struct {
Level string
ReportCaller bool `yaml:"report_caller"`
NoColors bool `yaml:"no_colors"`
CallerFirst bool `yaml:"caller_first"`
} `yaml:"logging"`
}
func (logCfg *LoggingConfig) Level() int {
levelStr := strings.ToLower(logCfg.Data.Level)
switch levelStr {
case "debug":
return 5
case "info":
return 4
case "warn":
return 3
case "error":
return 2
default:
return 4
}
}
func (logCfg *LoggingConfig) ReportCaller() bool {
return logCfg.Data.ReportCaller
}
func (logCfg *LoggingConfig) NoColors() bool {
return logCfg.Data.NoColors
}
func (logCfg *LoggingConfig) CallerFirst() bool {
return logCfg.Data.CallerFirst
}