129 lines
3.4 KiB
YAML
129 lines
3.4 KiB
YAML
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# Kafka broker (KRaft mode — no ZooKeeper required)
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# Single-broker for dev/staging; scale replicas for production
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apiVersion: v1
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kind: Service
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metadata:
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name: trading-kafka
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namespace: customer1
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labels:
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app: trading-kafka
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spec:
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clusterIP: None
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selector:
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app: trading-kafka
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ports:
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- name: internal
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port: 9092
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targetPort: 9092
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- name: controller
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port: 9093
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targetPort: 9093
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: trading-kafka-config
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namespace: customer1
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data:
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server.properties: |
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process.roles=broker,controller
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node.id=1
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controller.quorum.voters=1@trading-kafka-0.trading-kafka.customer1.svc.cluster.local:9093
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listeners=PLAINTEXT://0.0.0.0:9092,CONTROLLER://0.0.0.0:9093
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advertised.listeners=PLAINTEXT://trading-kafka-0.trading-kafka.customer1.svc.cluster.local:9092
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listener.security.protocol.map=PLAINTEXT:PLAINTEXT,CONTROLLER:PLAINTEXT
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controller.listener.names=CONTROLLER
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inter.broker.listener.name=PLAINTEXT
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log.dirs=/var/lib/kafka/data
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num.partitions=3
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default.replication.factor=1
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offsets.topic.replication.factor=1
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transaction.state.log.replication.factor=1
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transaction.state.log.min.isr=1
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auto.create.topics.enable=true
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---
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: trading-kafka
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namespace: customer1
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labels:
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app: trading-kafka
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spec:
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serviceName: trading-kafka
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replicas: 1
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selector:
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matchLabels:
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app: trading-kafka
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template:
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metadata:
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labels:
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app: trading-kafka
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spec:
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securityContext:
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runAsNonRoot: true
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runAsUser: 1000
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fsGroup: 1000
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containers:
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- name: kafka
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image: apache/kafka:3.9.0
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ports:
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- containerPort: 9092
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name: internal
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- containerPort: 9093
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name: controller
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env:
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- name: KAFKA_HEAP_OPTS
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value: "-Xmx512M -Xms256M"
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- name: CLUSTER_ID
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value: "trading-kafka-cluster-01"
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command:
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- /bin/bash
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- -c
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- |
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export KAFKA_CLUSTER_ID="$(/opt/kafka/bin/kafka-storage.sh random-uuid)"
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/opt/kafka/bin/kafka-storage.sh format -t $KAFKA_CLUSTER_ID -c /etc/kafka/server.properties --ignore-formatted
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exec /opt/kafka/bin/kafka-server-start.sh /etc/kafka/server.properties
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resources:
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requests:
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cpu: 250m
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memory: 512Mi
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limits:
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cpu: 1000m
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memory: 1Gi
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securityContext:
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allowPrivilegeEscalation: false
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readOnlyRootFilesystem: false
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capabilities:
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drop:
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- ALL
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volumeMounts:
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- name: config
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mountPath: /etc/kafka
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- name: data
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mountPath: /var/lib/kafka/data
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readinessProbe:
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tcpSocket:
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port: 9092
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initialDelaySeconds: 30
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periodSeconds: 10
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failureThreshold: 5
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livenessProbe:
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tcpSocket:
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port: 9092
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initialDelaySeconds: 60
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periodSeconds: 30
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volumes:
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- name: config
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configMap:
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name: trading-kafka-config
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volumeClaimTemplates:
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- metadata:
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name: data
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spec:
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: 10Gi
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