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Реализовано восстановление соединения с redis

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This commit is contained in:
ErickSkrauch 2016-09-16 19:35:58 +03:00
parent 3e3ba296d5
commit 2477433dc9
1 changed files with 25 additions and 21 deletions
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46
minecraft-skinsystem.go
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@ -3,21 +3,21 @@ package main
import (
"log"
"runtime"
//"time"
"time"
"net/http"
"github.com/gorilla/mux"
"github.com/streadway/amqp"
"github.com/mediocregopher/radix.v2/pool"
"elyby/minecraft-skinsystem/lib/routes"
"elyby/minecraft-skinsystem/lib/services"
//"github.com/mediocregopher/radix.v2/redis"
"github.com/streadway/amqp"
"elyby/minecraft-skinsystem/lib/worker"
)
const redisString string = "redis:6379"
const redisPoolSize int = 10
const rabbitmqString string = "amqp://ely-skinsystem-app:ely-skinsystem-app-password@rabbitmq:5672/%2fely"
func main() {
@ -26,8 +26,8 @@ func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
log.Println("Connecting to redis")
redisPool, redisErr := pool.New("tcp", redisString, 10)
if redisErr != nil {
redisPool, redisErr := pool.New("tcp", redisString, redisPoolSize)
if (redisErr != nil) {
log.Fatal("Redis unavailable")
}
log.Println("Connected to redis")
@ -35,12 +35,12 @@ func main() {
log.Println("Connecting to rabbitmq")
// TODO: rabbitmq становится доступен не сразу. Нужно дождаться, пока он станет доступен, периодически повторяя запросы
rabbitConnection, rabbitmqErr := amqp.Dial(rabbitmqString)
if rabbitmqErr != nil {
if (rabbitmqErr != nil) {
log.Fatalf("%s", rabbitmqErr)
}
log.Println("Connected to rabbitmq. Trying to open a channel")
rabbitChannel, rabbitmqErr := rabbitConnection.Channel()
if rabbitmqErr != nil {
if (rabbitmqErr != nil) {
log.Fatalf("%s", rabbitmqErr)
}
log.Println("Connected to rabbitmq channel")
@ -62,23 +62,27 @@ func main() {
services.RedisPool = redisPool
services.RabbitMQChannel = rabbitChannel
/*go func() {
go func() {
period := 5
for {
time.Sleep(5 * time.Second)
time.Sleep(time.Duration(period) * time.Second)
resp := services.Redis.Cmd("PING")
if (resp.Err != nil) {
log.Println("Redis not pinged. Try to reconnect")
newClient, redisErr := redis.Dial("tcp", redisString)
if (redisErr != nil) {
log.Println("Cannot reconnect to redis")
} else {
services.Redis = newClient
log.Println("Reconnected")
}
resp := services.RedisPool.Cmd("PING")
if (resp.Err == nil) {
// Если редис успешно пинганулся, значит всё хорошо
continue
}
log.Println("Redis not pinged. Try to reconnect")
newPool, redisErr := pool.New("tcp", redisString, redisPoolSize)
if (redisErr != nil) {
log.Printf("Cannot reconnect to redis, waiting %d seconds\n", period)
} else {
services.RedisPool = newPool
log.Println("Reconnected")
}
}
}()*/
}()
go worker.Listen()