Consume Kafka topics and export to Prometheus
java -jar kafka-topic-exporter-0.0.1-jar-with-dependencies.jar config/kafka-topic-exporter.properties
exporter.port=10040
exporter.metric.expire=120
bootstrap.servers=localhost:6667
group.id=test
# Java regex
kafka.consumer.topics=export\..*
kafka.consumer.remove.prefix=export\.aggregated_
- exporter.metric.expire(default: 0 (no expire))
- When a metric (name & labels) is not updated for this time period (in second), it will be removed from exporter response.
Each record in the topics should be the following format. labels are optional.
{"name": <metric name>,
"value": <metric value>,
"labels: {
"foolabel": "foolabelvalue",
"barlabel": "barlabelvalue"
}
}
Then the following item will be exported.
<kafka topic name>_<metric_name>{foolabel="foolabelvalue", barlabel="barlabelvalue"} <metric value>
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