mqtt-logger

A simple MQTT client written in go that subscribes to a configurable list of MQTT topics on the specified broker and logs the whole payload to stdout.

Get the Binary

You can build it on your own (you will need golang installed):

go build -a -installsuffix cgo ./cmd/mqtt-logger/

Or you can download the release binaries: here

Running

Configuration is taken from the environment or via arguments, for example:

export MQTT_BROKER_ADDRESS="tcp://localhost:1883"
export MQTT_USERNAME="foo"
export MQTT_PASSWORD="bar"

./mqtt-logger

or

./mqtt-logger --broker "tcp://localhost:1883" --user "foo" --password "bar"

Available Environment/Arguments

Argument	Environment	Default	Description
--topic	MQTT_TOPICS	#	List of the mqtt topics to subscribe to.
--blacklist	MQTT_TOPIC_BLACKLIST		List of regular expression.
--broker	MQTT_BROKER_ADDRESS		The mqtt broker address.
--user	MQTT_USERNAME		The mqtt username.
--password	MQTT_PASSWORD		The mqtt password.
--timeout	MQTT_TIMEOUT	1m	The timeout for the mqtt connection.
--ca-cert	MQTT_CA_CERT		The path of the CA-Cert file for secure mqtt connection.