http {
    include       mime.types;
    default_type  application/octet-stream;

    client_max_body_size 100M;

    sendfile        on;
    keepalive_timeout  65;

    upstream cloudAppBalancer {
        server 54.23.46.125:20090;
        server 54.23.46.125:20070 weight=2;
    }

    server {
        listen       6789;
        server_name  someip;
        root    html;
        client_max_body_size 100M;

        location /webagent/cloud/* {
            proxy_pass http://cloudAppBalancer/cloudapp/app/{register}*;  #register should get appended from actual url to nginx
        }

        error_page   500 502 503 504 404 /50x.html;
    }
}

@Path("/app")
@Log4j
class WebAgent {

    @Path("/register")
    @POST
    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
    @Produces("application/json; charset=UTF-8")
    def authenticate(MultivaluedMap params) {
        def formRequest = [:]
        formRequest.put("username", params?.username[0])
        formRequest.put("password", params?.password[0])
        println "auth: ${params?.username[0]}, ${params?.password[0]}"
        log.info "auth: ${params?.username[0]}, ${params?.password[0]}"
        def map = HttpUtil.doHttpPost(Configuration.url.toString(), serializeToJson(formRequest), "json")
        map
    }

    String serializeToJson(object){
        JsonBuilder builder = new JsonBuilder(object)
        builder.toString()
    }
}