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moscajs/aedes-cli

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aedes-cli

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Aedes MQTT broker CLI plugin

Install

Install the library using npm.

npm install aedes-cli -g

Usage

Here you can see the options accepted by the command line tool:

$ aedes -h
 ______ ________ _______ ________ ______ 
/ \ | \| \ | \ / \
| $$$$$$\| $$$$$$$$| $$$$$$$\| $$$$$$$$| $$$$$$\
| $$__| $$| $$__ | $$ | $$| $$__ | $$___\$$
| $$ $$| $$ \ | $$ | $$| $$ \ \$$ \
| $$$$$$$$| $$$$$ | $$ | $$| $$$$$ _\$$$$$$\
| $$ | $$| $$_____ | $$__/ $$| $$_____ | \__| $$
| $$ | $$| $$ \| $$ $$| $$ \ \$$ $$
\$$ \$$ \$$$$$$$$ \$$$$$$$ \$$$$$$$$ \$$$$$$
Usage: aedes [command] [options]
Commands:
 aedes adduser <user> <password> Add a user to given credentials file
 aedes rmuser <user> Removes a user from given credentials file
 aedes start Starts Aedes broker with given options
 [default]
Options:
 --port, -p the port to listent to [number] [default: 1883]
 --host the host to listen to [string] [default: "127.0.0.1"]
 --protos protocols to use
 [array] [choices: "tcp", "tls", "ws", "wss"] [default: ["tcp"]]
 --credentials <file> the file containing the credentials [string]
 --authorize-publish <pattern> the pattern for publishing to topics for the
 added user [string]
 --authorize-subscribe <pattern> the pattern for subscribing to topics for the
 added user [string]
 --concurrency broker maximum number of concurrent messages delivered
 by mqemitter [number] [default: 100]
 --queueLimit broker maximum number of queued messages before client
 session is established [number] [default: 42]
 --maxClientsIdLength broker option to override MQTT 3.1.0 clients Id length
 limit [number] [default: 23]
 --heartbeatInterval interval in millisconds at which broker beats its
 health signal in $SYS/<broker.id>/heartbeat
 [number] [default: 60000]
 --connectTimeout maximum waiting time in milliseconds waiting for a
 CONNECT packet [number] [default: 30000]
 --key <file> the server's private key [string]
 --cert <file> the certificate issued to the server [string]
 --reject-unauthorized reject clients using self signed certificates
 [boolean] [default: true]
 --tls-port the TLS port to listen to [number] [default: 8883]
 --ws-port mqtt-over-websocket server port[number] [default: 3000]
 --wss-port mqtt-over-secure-websocket server port
 [number] [default: 4000]
 --stats enable publish of stats under $SYS
 [boolean] [default: false]
 --stats-interval interval between aedes stats pubs
 [number] [default: 5000]
 --broker-id the id of the broker in the $SYS/<id> namespace
 [string] [default: "aedes-cli"]
 --config, -c <file> the config file to use (overrides every other
 option) [string]
 --verbose, -v set the log level to INFO [boolean] [default: false]
 --very-verbose set the log level to DEBUG [boolean] [default: false]
 --no-pretty JSON logs [boolean] [default: false]
 -V, --version Show version number [boolean]
 -h, --help Show help [boolean]
Examples:
 aedes --protos tcp ws Starts Aedes broker with TCP and WS
 servers
 aedes --config myConfig.js Starts Aedes broker with custom
 config file
 aedes --stats -v --statsInterval 2000 Starts Aedes broker with stats
 enabled
 aedes --credentials ./credentials.json Add/Modify user1 with password1 to
 adduser user1 password1 credentials
 aedes --credentials ./credentials.json Removes user1 from credentials
 rmuser user1

To fully use Aedes you need to define a configuration file where the communication broker is defined. Here follows an example using Mongodb.

A configuration file is structured in the following way:

module.exports = {
 protos: ['tcp'],
 host: '0.0.0.0',
 port: 1883,
 wsPort: 3000,
 wssPort: 4000,
 tlsPort: 8883,
 brokerId: 'aedes-cli',
 credentials: './credentials.json',
 persistence: {
 name: 'mongodb',
 options: {
 url: 'mongodb://127.0.0.1/aedes'
 }
 },
 mq: {
 name: 'mongodb',
 options: {
 url: 'mongodb://127.0.0.1/aedes'
 }
 },
 key: null,
 cert: null,
 rejectUnauthorized: true,
 verbose: false,
 veryVerbose: false,
 noPretty: false
}

Programmatically

You can also use aedes-cli programmatically:

const { start, adduser, rmuser } = require('aedes-cli')
start({
 protos: ['tcp'],
})

Docker

aedes-cli is available on Docker-Hub for amd64, arm64v8, arm32v6, arm32v7, i386 archs. If you want to use a local credentials.json file and/or a custom config file to pass using --config option you have to use docker volumes and map the local folder containing those files to a folder inside the container.

Minimal example:

docker run --rm -it -p 1883:1883 moscajs/aedes:latest

Example with custom config file:

docker run --rm -it -p 1883:1883 -v $(pwd):/data moscajs/aedes:latest --config /data/myConfig.js

  • -v $(pwd):/data will map the local folder from where you are running this command to /data folder of the container
  • --config /data/myConfig.js will tell aedes to use the configuration file that is in your local folder

Here there is an example with docker-compose that runs aedes with mongodb as persistence

version: '3.7'
services:
 aedes:
 container_name: aedes
 image: moscajs/aedes:latest
 restart: always
 stop_signal: SIGINT
 networks:
 - mqtt
 command: --config /data/mongodbConfig.js # add here the options to pass to aedes
 volumes:
 - ./:/data # map the local folder to aedes
 ports:
 - '1883:1883'
 - '3000:3000'
 - '4000:4000'
 - '8883:8883'
 mongo:
 container_name: mongo
 networks:
 - mqtt
 logging:
 driver: none
 image: mvertes/alpine-mongo
 volumes:
 - db-data:/data/db
 ports:
 - "27017:27017"
volumes:
 db-data:
 name: db-data
networks:
 mqtt:

When using persistences with docker-compose file remember that the database url will be the name of the service in docker-compose, in the mongo example it will be: mongodb://mongo/dbName.

Authorization

Aedes supports user authentication through the use of a specific json file. In order to create one run the following command.

// add a user
$ aedes adduser <user> <pass> --credentials ./credentials.json
// add a user specifying the authorized topics
$ aedes adduser myuser mypass --credentials ./credentials.json \
 --authorize-publish 'hello/*' --authorize-subscribe 'hello/*'
// remove a user
$ aedes rmuser myuser --credentials ./credentials.json
// start aedes with a specific set of credentials:
$ aedes --credentials ./credentials.json

The patterns are checked and validated using Minimatch. The credentials file is automatically reloaded by aedes when it receives a SIGHUP.

Persistence and Emitters

The MQTT specification requires a persistent storage for offline QoS 1 subscription that has been done by an unclean client. Aedes offers several persitance options.

Supported persistences are:

Emitters are needed to deliver messages to subscribed clients. In a cluster environment it is used also to share messages between brokers instances

All of them can be configured from the configuration file, under the persistence and mq key.

Supported mqemitters are:

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Run Aedes MQTT Broker from the CLI

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