[root@master-01 kafka]# cat kafka.yaml
apiVersion: v1
kind: Service
metadata:
name: kafka-svc
namespace: uat
labels:
app: kafka
spec:
ports:
- port: 9092
name: server
clusterIP: None
selector:
app: kafka
---
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata:
name: kafka-pdb
namespace: uat
spec:
selector:
matchLabels:
app: kafka
minAvailable: 2
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: kafka
namespace: uat
spec:
selector:
matchLabels:
app: kafka
serviceName: kafka-svc
replicas: 3 # kafka 集群数量
template:
metadata:
labels:
app: kafka
spec:
nodeSelector:
env: uat
affinity:
podAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 1
podAffinityTerm:
labelSelector:
matchExpressions:
- key: "app"
operator: In
values:
- zk
topologyKey: "kubernetes.io/hostname"
terminationGracePeriodSeconds: 300
imagePullSecrets:
- name: registry-key
containers:
- name: k8s-kafka
imagePullPolicy: IfNotPresent
# image: registry.cn-hangzhou.aliyuncs.com/ccgg/k8skafka:v1
image: wurstmeister/kafka:2.13-2.7.0
# image: mirrorgooglecontainers/kubernetes-kafka:1.0-10.2.1
resources:
requests:
memory: "1024Mi"
cpu: 500m
ports:
- containerPort: 9092
name: server
command:
- 'sh'
- '-c'
- "exec kafka-server-start.sh /opt/kafka/config/server.properties --override broker.id=${HOSTNAME##*-}
--override listeners=PLAINTEXT://:9092
--override zookeeper.connect=zk-0.zk-hs.uat.svc.cluster.local:2181,zk-1.zk-hs.uat.svc.cluster.local:2181,zk-2.zk-hs.uat.svc.cluster.local:2181
--override log.dirs=/var/lib/kafka/${HOSTNAME}
--override auto.create.topics.enable=true
--override delete.topic.enable=true
--override auto.leader.rebalance.enable=true
--override background.threads=10
--override compression.type=producer
--override delete.topic.enable=true
--override leader.imbalance.check.interval.seconds=300
--override leader.imbalance.per.broker.percentage=10
--override log.flush.interval.messages=9223372036854775807
--override log.flush.offset.checkpoint.interval.ms=60000
--override log.flush.scheduler.interval.ms=9223372036854775807
--override log.retention.bytes=-1
--override log.retention.hours=72
--override log.roll.hours=168
--override log.roll.jitter.hours=0
--override log.segment.bytes=1073741824
--override log.segment.delete.delay.ms=60000
--override message.max.bytes=1000012
--override min.insync.replicas=1
--override num.io.threads=8
--override num.network.threads=3
--override num.recovery.threads.per.data.dir=1
--override num.replica.fetchers=1
--override offset.metadata.max.bytes=4096
--override offsets.commit.required.acks=-1
--override offsets.commit.timeout.ms=5000
--override offsets.load.buffer.size=5242880
--override offsets.retention.check.interval.ms=600000
--override offsets.retention.minutes=1440
--override offsets.topic.compression.codec=0
--override offsets.topic.num.partitions=50
--override offsets.topic.replication.factor=3
--override offsets.topic.segment.bytes=104857600
--override queued.max.requests=500
--override quota.consumer.default=9223372036854775807
--override quota.producer.default=9223372036854775807
--override replica.fetch.min.bytes=1
--override replica.fetch.wait.max.ms=500
--override replica.high.watermark.checkpoint.interval.ms=5000
--override replica.lag.time.max.ms=10000
--override replica.socket.receive.buffer.bytes=65536
--override replica.socket.timeout.ms=30000
--override request.timeout.ms=30000
--override socket.receive.buffer.bytes=102400
--override socket.request.max.bytes=104857600
--override socket.send.buffer.bytes=102400
--override unclean.leader.election.enable=true
--override zookeeper.session.timeout.ms=6000
--override zookeeper.set.acl=false
--override broker.id.generation.enable=true
--override connections.max.idle.ms=600000
--override controlled.shutdown.enable=true
--override controlled.shutdown.max.retries=3
--override controlled.shutdown.retry.backoff.ms=5000
--override controller.socket.timeout.ms=30000
--override default.replication.factor=2
--override fetch.purgatory.purge.interval.requests=1000
--override group.max.session.timeout.ms=300000
--override group.min.session.timeout.ms=6000
--override inter.broker.protocol.version=2.2.0
--override log.cleaner.backoff.ms=15000
--override log.cleaner.dedupe.buffer.size=134217728
--override log.cleaner.delete.retention.ms=86400000
--override log.cleaner.enable=true
--override log.cleaner.io.buffer.load.factor=0.9
--override log.cleaner.io.buffer.size=524288
--override log.cleaner.io.max.bytes.per.second=1.7976931348623157E308
--override log.cleaner.min.cleanable.ratio=0.5
--override log.cleaner.min.compaction.lag.ms=0
--override log.cleaner.threads=1
--override log.cleanup.policy=delete
--override log.index.interval.bytes=4096
--override log.index.size.max.bytes=10485760
--override log.message.timestamp.difference.max.ms=9223372036854775807
--override log.message.timestamp.type=CreateTime
--override log.preallocate=false
--override log.retention.check.interval.ms=300000
--override max.connections.per.ip=2147483647
--override num.partitions=4
--override producer.purgatory.purge.interval.requests=1000
--override replica.fetch.backoff.ms=1000
--override replica.fetch.max.bytes=1048576
--override replica.fetch.response.max.bytes=10485760
--override reserved.broker.max.id=1000"
env:
- name: KAFKA_HEAP_OPTS
value : "-Xmx1024M -Xms512M"
- name: KAFKA_OPTS
value: "-Dlogging.level=INFO"
volumeMounts:
- name: datadir
mountPath: /var/lib/kafka
- name: host-time
mountPath: /etc/localtime
readinessProbe:
tcpSocket:
port: 9092
timeoutSeconds: 1
initialDelaySeconds: 5
securityContext:
runAsUser: 0
fsGroup: 0
volumes:
# - name: datadir
# persistentVolumeClaim:
# claimName: pvc-nas-uat
- name: datadir
hostPath:
path: /store/logs/uat/kafka
type: DirectoryOrCreate
- name: host-time
hostPath:
path: /etc/localtime