apisix/docs/en/latest/plugins/mqtt-proxy.md

title
mqtt-proxy

Summary

• Name
• Attributes
• How To Enable
• Delete Plugin

Name

The plugin mqtt-proxy only works in stream model, it help you to dynamic load balance by client_id of MQTT.

And this plugin both support MQTT protocol 3.1.* and 5.0.

Attributes

Name	Type	Requirement	Default	Valid	Description
protocol_name	string	required			Name of protocol, should be MQTT in normal.
protocol_level	integer	required			Level of protocol, it should be 4 for MQTT 3.1.*. it should be 5 for MQTT 5.0.
upstream.host	string	required			the IP or host of upstream, will forward current request to.
upstream.ip	string	deprecated			Use "host" instead. IP address of upstream, will forward current request to.
upstream.port	number	required			Port of upstream, will forward current request to.

How To Enable

To enable this plugin, we need to enable the stream_proxy configuration in conf/config.yaml first. For example, the following configuration represents listening on the 9100 TCP port.

    ...
    router:
        http: 'radixtree_uri'
        ssl: 'radixtree_sni'
    stream_proxy:                 # TCP/UDP proxy
      tcp:                        # TCP proxy port list
        - 9100
    dns_resolver:
    ...

Then send the MQTT request to port 9100.

Creates a stream route, and enable plugin mqtt-proxy.

curl http://127.0.0.1:9080/apisix/admin/stream_routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
    "remote_addr": "127.0.0.1",
    "plugins": {
        "mqtt-proxy": {
            "protocol_name": "MQTT",
            "protocol_level": 4,
            "upstream": {
                "host": "127.0.0.1",
                "port": 1980
            }
        }
    }
}'

Delete Plugin

$ curl http://127.0.0.1:2379/v2/keys/apisix/stream_routes/1 -X DELETE

The mqtt-proxy plugin has been deleted now.