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goco.go
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goco.go
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package goco
import (
"errors"
"log"
"os"
"reflect"
"strconv"
"strings"
"github.com/go-ini/ini"
)
// Initialize Config which decide to use docker or ini file
func InitializeConfig(config interface{}) error {
if strings.ToLower(os.Getenv("DOCKER")) == "true" {
log.Println("Docker config enabled..")
return InitializeDockerConfig(config)
}
return InitializeIniConfig(config)
}
// Initialize Config from ini file
func InitializeIniConfig(config interface{}, filePaths ...string) error {
filePath := "config.ini"
if len(filePaths) != 0 {
filePath = filePaths[0]
}
configFile, err := os.ReadFile(filePath)
if err != nil {
return err
}
return ini.MapTo(config, configFile)
}
// Initialize Config from docker with docker tags
func InitializeDockerConfig(config interface{}) error {
return getDockerTag(config)
}
// Get Docker Tag
func getDockerTag(config interface{}) error {
var err error
v := reflect.ValueOf(config).Elem()
t := v.Type()
for i := 0; i < v.NumField(); i++ {
field := v.Field(i)
dockerTagValue := os.Getenv(t.Field(i).Tag.Get("docker"))
switch field.Kind() {
case reflect.String:
field.SetString(dockerTagValue)
case reflect.Int:
i, err := strconv.Atoi(dockerTagValue)
if err != nil {
return errors.New("Error while converting " + dockerTagValue + " to " + t.Field(i).Name)
}
field.SetInt(int64(i))
case reflect.Bool:
b, err := strconv.ParseBool(dockerTagValue)
if err != nil {
log.Println(errors.New("Error while converting " + dockerTagValue + " to " + t.Field(i).Name))
b = false
}
field.SetBool(b)
case reflect.Struct:
err = getDockerTag(field.Addr().Interface())
if err != nil {
return err
}
}
}
return err
}