Wiola minimal setup

client.py

import asyncio
from autobahn.asyncio.wamp import ApplicationSession, ApplicationRunner
from autobahn.wamp import RegisterOptions


class Component(ApplicationSession):
    async def onJoin(self, details):
        print("Join:", details)

        self.register(self.ping, "com.myapp.ping", options=RegisterOptions(details_arg="details"))

        counter = 0
        while True:
            print("publish: com.myapp.hello", counter)
            self.publish("com.myapp.hello", counter)
            counter += 1
            await asyncio.sleep(1)

    def ping(self, details=None):
        print("ping called. details=", details)


if __name__ == "__main__":
    url = "ws://127.0.0.1:8080/ws"
    realm = "realm1"
    runner = ApplicationRunner(url, realm)
    runner.run(Component)

Dockerfile

# NOTE: This is a really quick & dirty version
FROM openresty/openresty:1.13.6.2-0-alpine-fat

RUN apk add --no-cache cmake openssl-dev git
RUN /usr/local/openresty/luajit/bin/luarocks install wiola 0.9.1-2

CMD ["/usr/local/openresty/bin/openresty"]

nginx.conf

daemon off;
worker_processes  1;
error_log  /dev/stderr info;
pid        /var/run/nginx.pid;

events {
    worker_connections  1024;
}

http {
    server_tokens off;

    include       mime.types;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for" '
                      '$request_time $upstream_response_time $pipe';

    access_log  /dev/stdout  main;

    # include /etc/nginx/conf.d/*.conf;

    init_by_lua_block {
        local cfg = require "wiola.config"
        cfg.config({
            realms = {"realm1"},
            store = "redis",
            storeConfig = {
                host = "127.0.0.1",
                port = 6379,
            },
            metaAPI = {
                session = true,
                subscription = true,
                registration = true,
            }
        })
        ngx.log(ngx.ERR, "Wiola configured")
    }

    # Configure a vhost
    server {
        listen 80;
        # example location for websocket WAMP connection
        location /ws {
            set $wiola_max_payload_len 65535; # Optional parameter. Set the value to suit your needs

            lua_socket_log_errors off;
            lua_check_client_abort on;

            # This is needed to set additional websocket protocol headers
            header_filter_by_lua_file /usr/local/openresty/luajit/share/lua/5.1/wiola/headers.lua;
            # Set a handler for connection
            content_by_lua_file /usr/local/openresty/luajit/share/lua/5.1/wiola/ws-handler.lua;
        }

    }
}

start-redis.sh

#!/bin/sh

# --publish is for wiola that reuses our network
docker run \
	--rm -d \
	--name=redis \
	--publish 8080:80 \
	redis

start-wiola.sh

#!/bin/sh

exec docker run \
    --rm \
    -ti \
    --name=wiola \
    --net container:redis \
    --volume $PWD/nginx.conf:/usr/local/openresty/nginx/conf/nginx.conf \
    wiola $@