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config.go
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config.go
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package config
import (
"io/ioutil"
"github.com/upstars-global/go-service-skeleton/pkg/argumentsresolver"
"gopkg.in/yaml.v2"
)
type GeneralConfigProvider interface {
GetEnvName() Env
DebugEnabled() bool
}
type Config struct {
EnvName Env `yaml:"envName"`
Debug bool `yaml:"debug"`
Logger logger `yaml:"logger"`
API api `yaml:"api"`
DB db `yaml:"db"`
configFile string
}
type Env string
const (
EnvLocal Env = "local"
EnvDev Env = "develop"
EnvStage Env = "staging"
EnvProd Env = "production"
)
func (e Env) String() string {
return string(e)
}
func New(arguments argumentsresolver.ArgumentsInterface) (c *Config, err error) {
c = &Config{}
c.configFile, err = arguments.GetString(argumentsresolver.ArgumentConfigName)
if err != nil {
panic(err)
}
if err = c.loadConfig(); err != nil {
return
}
c.OverrideDBConfig()
c.OverrideAPIConfig()
verbose, err := arguments.GetBool(argumentsresolver.ArgumentConfigVerbose)
if err != nil {
panic(err)
}
if verbose {
c.Debug = true
}
return
}
func (c *Config) loadConfig() (err error) {
var data []byte
if data, err = ioutil.ReadFile(c.configFile); err != nil {
return
}
return c.unmarshal(data, c)
}
func (c *Config) GetEnvName() Env {
return c.EnvName
}
func (c *Config) DebugEnabled() bool {
return c.Debug
}
func (c *Config) unmarshal(data []byte, i interface{}) (err error) {
return yaml.Unmarshal(data, i)
}