confstate

go-confstate

Set in YAML, save in JSON

設定と状態

• YAMLで設定、JSONで状態を保存する
• それぞれのパスを未指定の場合は、実行バイナリの相対位置から決定される
• このサンプルでは、ユーザごとにパスワードを生成する

INSTALL

go get -u -v github.com/mamemomonga/go-confstate

Examples

main.go

package main

import (
	"github.com/davecgh/go-spew/spew"
	confstate "github.com/mamemomonga/go-confstate"
	"github.com/sethvargo/go-password/password"
	"log"
	"flag"
)

// Configs file structure
type Configs struct {
	StatesFile string   `yaml:"states_file"`
	Key1       string   `yaml:"key_1"`
	Key2       string   `yaml:"key_2"`
	Key3       string   `yaml:"key_3"`
	Users      []string `yaml:"users"`
}

// States file structure
type States struct {
	Passwords map[string]string `json:"passwords"`
}

// Load Initalize and load
func LoadConfigs(cf string) error {

	confstate.ConfigsFile = cf // ConfigsFile Filename

	confstate.DefaultConfigsFile = "etc/configs.yaml" // Configs File default filename

	confstate.DefaultStatesFile =  "etc/states.json" // States File default filename

	confstate.DefaultBaseDirType = confstate.DBTBin // Basedir is offset from executable binary
	confstate.OffsetFromBin = "." // Base directory offset from executable binary
	// If you do not specify ConfigsFile, using "go run" will cause problems due to the location of the execution binary.
	// ConfigsFileを指定しない場合、"go run"を使用すると実行バイナリの位置の関係で問題が発生します。

	// confstate.DefaultBaseDirType = confstate.DBTHome // DBTHome: Basedir is Home Directory

	// confstate.DefaultBaseDirType = confstate.DBTWork // DBTWork: Basedir is Work Directory

	confstate.Debug = true // Debug mode

	// Initalize Configs
	confstate.Configs = &Configs{
		Key1: "Value1",
		Key2: "Value2",
		Key3: "Value3",
		Users: []string{"user1","user2","user3"},
	}
	// Initalize States
	confstate.States = &States{
		Passwords: make(map[string]string),
	}

	if err := confstate.LoadConfigs(); err != nil {
		return err
	}
	if err := confstate.LoadStates(); err != nil {
		return err
	}
	return nil
}

// C Accessor for Configs
func C() *Configs {
	return confstate.Configs.(*Configs)
}

// S Accessor for States
func S() *States {
	return confstate.States.(*States)
}

func main() {

	c := flag.String("c","","ConfigsFile")
	flag.Parse()

	// Initalize and load configs and states
	if err := LoadConfigs(*c); err != nil {
		log.Fatal(err)
	}

	// Set a password for a user whose password is not set
	for _, name := range C().Users {
		if _, ok := S().Passwords[name]; !ok {
			pwd, err := password.Generate(16, 2, 1, false, false)
			if err != nil {
				log.Fatal(err)
			}
			S().Passwords[name] = pwd
		}
	}

	// Save StatesFile
	if err := confstate.SaveStates(); err != nil {
		log.Fatal(err)
	}

	// Dump it
	spew.Dump(S())
}

run

$ go build -o example ./main.go
$ ./example

LICENSE

MIT