redis_vs_etcd_with_go_3.go

package main

import (
	"fmt"
	"github.com/go-redis/redis"
)

func NewRedisClient() *redis.Client {
	return redis.NewClient(&redis.Options{
		Addr:     "localhost:6379",
		Password: "",
		DB:       0,
	})
}

func RedisHelloWorld() {
	// step: 0 - connect.
	redisClient := NewRedisClient()

	// "ping" Redis
	pong, err := redisClient.Ping().Result()
	if err != nil {
		log.Fatal(err)
	}
	fmt.Println(pong)

	// step: 1 - write.
	err = redisClient.Set("name", "redis is awesome", 0).Err()
	if err != nil {
		log.Fatal(err)
	}

	// step: 2 - read.
	val, err := redisClient.Get("name").Result()
	if err != nil {
		log.Fatal(err)
	}

	fmt.Println(val)
}

func main() {
	RedisHelloWorld()
}