DMAC/internal/pkg/config/config.go

// package Config wraps the viper library to setup/manage files for FRMS
package config

import (
	"FRMS/internal/pkg/logging"
	"fmt"
	"os"

	"github.com/spf13/viper"
)

// Load the file at path/file into a viper object.
// Expects config file to be yaml.
func Load(file, path, ext string) (*viper.Viper, error) {

	logging.Debug(logging.DStart, "CON loading %s", file)

	config := viper.New()

	//configFile := fmt.Sprintf("%s/%s.%s", path, file, ext)

	config.SetConfigName(file)
	config.AddConfigPath(path)
	config.SetConfigType(ext)

	// Sets env vars
	config.AutomaticEnv()

	// create config directory if it doesn't exist
	if err := os.MkdirAll(path, 0750); err != nil && !os.IsExist(err) {
		return config, err
	}

	// attempt to create an empty config incase it doesn't exist
	// if err := config.SafeWriteConfigAs(configFile); err != nil {
	// 	// if error thrown because file exists, fine to ignore
	// 	if _, ok := err.(viper.ConfigFileAlreadyExistsError); !ok {
	// 		return config, err
	// 	}
	// }

	if err := config.ReadInConfig(); err != nil {
		fmt.Printf("read error %v\n", config)
		return config, err
	}

	logging.Debug(logging.DStart, "CON Loaded configs from %#V", config.ConfigFileUsed())

	// returning config object
	return config, nil
}