50-kafka-jmx-exporter-patch.yml

# meant to be applied using kustomize, or with pre-1.14 kubectl:
# kubectl --namespace kafka patch statefulset kafka --patch "$(cat prometheus/50-kafka-jmx-exporter-patch.yml )"
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: kafka
  namespace: kafka
spec:
  template:
    metadata:
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "5556"
    spec:
      containers:
      - name: metrics
        image: solsson/kafka-prometheus-jmx-exporter@sha256:d237a12cc0cde42b539bcb5efc0008ba5e6ca1351b7843ed52bd574d181c5efd
        command:
        - java
        - -jar
        - jmx_prometheus_httpserver.jar
        - "5556"
        - /etc/jmx-kafka/jmx-kafka-prometheus.yml
        ports:
        - containerPort: 5556
        resources:
          requests:
            cpu: 0m
            memory: 60Mi
          limits:
            memory: 120Mi
        volumeMounts:
        - name: jmx-config
          mountPath: /etc/jmx-kafka
      volumes:
      - name: jmx-config
        configMap:
          name: jmx-config