@optum/knack-consumer
v1.0.0
Published
A module for consuming messages from Apache Kafka.
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Keywords
Readme
Usage
first things first...
$ npm i @optum/knack-consumer [email protected]
options
- topics:
[Array]
array of topics to subscribe - consumerConfig:
[Object]
librd consumer config - topicConfig:
[Object]
librd topic config - flowMode:
[Boolean]
run flow mode or control message intake cadence - logger:
[Object]
logger object with trace, debug, info, error methods - onData:
Function
handler for each record consumed
Examples
const knackConsumer = require("@optum/knack-consumer");
const consumerConfig = {
"client.id": "my-kafka-client-v1",
"group.id": "my-kafka-group-v1",
"metadata.broker.list": "localhost:9092",
"socket.keepalive.enable": true,
"enable.auto.commit": true
};
const topicConfig = {
"auto.offset.reset": "earliest",
// eslint-disable-next-line camelcase
event_cb: () => {}
};
const topic = "knack-test-topic-v1";
const handler = ({ key, value, topic, timestamp }) => {
// do stuff with record
};
// connect consumer with options
const testConsumer = await knackConsumer.connect({
topics: [topic],
consumerConfig,
topicConfig,
onData: handler
});
process.on("SIGINT", async () => {
await knackConsumer.disconnect();
});