Esempio n. 1
0
func (p *proxy) lookup(request *http.Request) *route.Pool {
	uri := route.Uri(hostWithoutPort(request))
	// Choose backend using host alone
	return p.registry.Lookup(uri)
}
Esempio n. 2
0
func (r *RouteRegistry) GenerateUriMap() (map[route.Uri]*route.Pool, bool) {
	byUriTmp = make(map[route.Uri]*route.Pool)

	rc := RedisConnPool.Get()
	defer rc.Close()

	uriList, err := redis.Strings(rc.Do("KEYS", "*"))
	if err != nil {
		r.logger.Error(err.Error())
		return nil, false
	}

	for _, uriString := range uriList {
		uriType := route.Uri(strings.Split(uriString, "/")[1])
		if uriType == "rs" {
			uri := route.Uri(strings.Split(uriString, "/")[2])
			uri = uri.ToLower()

			pool, found := byUriTmp[uri]
			if !found {
				pool = route.NewPool(r.reloadUriInterval / 5)
				byUriTmp[uri] = pool
			}

			addresslist, err := redis.Strings(rc.Do("LRANGE", uriString, "0", "-1"))
			if err != nil {
				r.logger.Error(err.Error())
				return nil, false
			}

			for _, address := range addresslist {
				host := strings.Split(address, ":")[0]
				p, _ := strconv.Atoi(strings.Split(address, ":")[1])
				port := uint16(p)

				endpoint := route.NewEndpoint(host, port, nil)
				pool.Put(endpoint)
			}
		}
	}

	for _, uriString := range uriList {
		uriType := route.Uri(strings.Split(uriString, "/")[1])
		if uriType == "cname" {
			cname := route.Uri(strings.Split(uriString, "/")[2])
			cname = cname.ToLower()

			_, found := byUriTmp[cname]
			if !found {
				u, err := redis.String(rc.Do("GET", uriString))
				if err != nil {
					r.logger.Error(err.Error())
					return nil, false
				}

				uri := route.Uri(strings.Split(u, "/")[2])
				uri = uri.ToLower()

				pool, found := byUriTmp[uri]
				if !found {
					r.logger.Warnf("cname %s points to uri %s, but uri %s do not have rs", cname, uri, uri)
				} else {
					byUriTmp[cname] = pool
				}
			} else {
				r.logger.Warnf("cname %s has rs", cname)
			}
		}
	}

	return byUriTmp, true
}