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Klag Klag

Strimzi

Klag works with Kafka clusters managed by the Strimzi operator, the common production way to run Kafka on Kubernetes.

Connecting

Section titled “Connecting”

No special chart configuration is needed. Point Klag at the Strimzi bootstrap service:

Terminal window
helm install klag klag/klag \
  --set kafka.bootstrapServers=my-cluster-kafka-bootstrap:9092

The bootstrap service is named <cluster>-kafka-bootstrap in the namespace where your Strimzi Kafka resource lives.

Verified versions

Section titled “Verified versions”

A dedicated end-to-end suite installs the Strimzi operator, provisions a real KRaft Kafka cluster via Strimzi CRDs, points the chart at the *-kafka-bootstrap service, generates real lag, and asserts Klag scrapes it. It is verified against Strimzi-managed Kafka 4.1.0 and 4.2.0 (the versions the current Strimzi operator supports).

Terminal window
# Single version
./scripts/e2e-strimzi-test.sh


# Specific Kafka version
KAFKA_VERSION=4.1.0 ./scripts/e2e-strimzi-test.sh


# Matrix across supported versions
./scripts/e2e-strimzi-matrix.sh 4.1.0 4.2.0

Both e2e suites run in CI on every PR. See Build from Source for the full test workflow.