cfg

README

cfg

Yet another config package

Features

• Read from file
• Read from environment variable
• Hot reload of the file

Usage

package main

import (
	"context"
	"fmt"

	"github.com/infiniteloopcloud/cfg"
)

var config cfg.Config

func main() {
	var err error
	config, err = cfg.New(cfg.Opts{
		Path:      "./config.json",
		HotReload: true,
		Infof: func(ctx context.Context, format string, args ...interface{}) {
			fmt.Printf(format+"\n", args...)
		},
	})
	if err != nil {
		// TODO err
    }

	// First it reads from the ./config.json (it's a map[string]string under the hood)
	// After it reads with os.Getenv
	config.Get("something")
}

Documentation

Index

• func Get(key string) string
• func New(opts Opts) (cfg, error)
• func Rebuild()
• func SetErrorf(fn func(ctx context.Context, err error, format string, args ...interface{}))
• func SetInfof(fn func(ctx context.Context, format string, args ...interface{}))
• func SetWarnf(fn func(ctx context.Context, format string, args ...interface{}))
• type Config
• type Opts

Functions

func Get

func Get(key string) string

func New

func New(opts Opts) (cfg, error)

func Rebuild

func Rebuild()

func SetErrorf

func SetErrorf(fn func(ctx context.Context, err error, format string, args ...interface{}))

func SetInfof

func SetInfof(fn func(ctx context.Context, format string, args ...interface{}))

func SetWarnf

func SetWarnf(fn func(ctx context.Context, format string, args ...interface{}))

Types

type Config

type Config interface {
	Get(key string) string
}

type Opts

type Opts struct {
	Path      string
	HotReload bool
	Errorf    func(ctx context.Context, err error, format string, args ...interface{})
	Infof     func(ctx context.Context, format string, args ...interface{})
	Warnf     func(ctx context.Context, format string, args ...interface{})
}