Barcodereader

The technical documentation of the barcodereader microservice, which reads barcodes and sends the data to the Kafka broker.

2 minute read

This microservice is still in development and is not considered stable for production use.

Barcodereader is a microservice that reads barcodes and sends the data to the Kafka broker.

How it works

Connect a barcode scanner to the system and the microservice will read the barcodes and send the data to the Kafka broker.

Environment variables
Variable name	Description	Type	Allowed values	Default
`ASSET_ID`	The asset ID, which is used for the topic structure	string	Any	barcodereader
`CUSTOMER_ID`	The customer ID, which is used for the topic structure	string	Any	raw
`DEBUG_ENABLE_FGTRACE`	Enables the use of the fgtrace library. Not reccomended for production	string	`true`, `false`	`false`
`INPUT_DEVICE_NAME`	The name of the USB device to use	string	Any	Datalogic ADC, Inc. Handheld Barcode Scanner
`INPUT_DEVICE_PATH`	The path of the USB device to use. If empty, `INPUT_DEVICE_NAME` gets used instead	string	Valid Unix device path	""
`KAFKA_BOOTSTRAP_SERVER`	URL of the Kafka broker used, port is required	string	Any	united-manufacturing-hub-kafka:9092
`LOCATION`	The location, which is used for the topic structure	string	Any	barcodereader
`LOGGING_LEVEL`	Defines which logging level is used, mostly relevant for developers.	string	PRODUCTION, DEVELOPMENT	PRODUCTION
`MICROSERVICE_NAME`	Name of the microservice (used for tracing)	string	Any	united-manufacturing-hub-barcodereader
`SCAN_ONLY`	Prevent message broadcasting if enabled	`bool`	`true`, `false`	`false`
`SERIAL_NUMBER`	Serial number of the cluster (used for tracing)	string	Any	defalut