etcd

README

Etcd Config

import (
	"log"

	cfg "github.com/fengleng/mars/contrib/config/etcd"
	"github.com/fengleng/mars/config"
	clientv3 "go.etcd.io/etcd/client/v3"
	"google.golang.org/grpc"
)

// create an etcd client
client, err := clientv3.New(clientv3.Config{
    Endpoints:   []string{"127.0.0.1:2379"},
    DialTimeout: time.Second,
    DialOptions: []grpc.DialOption{grpc.WithBlock()},
})
if err != nil {
    log.Fatal(err)
}

// configure the source, "path" is required
source, err := cfg.New(client, cfg.WithPath("/app-config"), cfg.WithPrefix(true))
if err != nil {
    log.Fatalln(err)
}

// create a config instance with source
c := config.New(config.WithSource(source))
defer c.Close()

// acquire config value
foo, err := c.Value("/app-config").String()
if err != nil {
    log.Println(err)
}
println(foo)

Documentation

Index

• func New(client *clientv3.Client, opts ...Option) (config.Source, error)
• type Option
  • func WithContext(ctx context.Context) Option
  • func WithPath(p string) Option
  • func WithPrefix(prefix bool) Option

Functions

func New

func New(client *clientv3.Client, opts ...Option) (config.Source, error)

Types

type Option

type Option func(o *options)

Option is etcd config option.

func WithContext

func WithContext(ctx context.Context) Option

WithContext with registry context.

func WithPath

func WithPath(p string) Option

WithPath is config path

func WithPrefix

func WithPrefix(prefix bool) Option

WithPrefix is config prefix