基于k8s搭建kafka集群
注:查看日志如下,表示kafka服务已启动。
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1、下载kafka官方包
wget https://www.apache.org/dyn/closer.cgi?path=/kafka/3.5.0/kafka_2.13-3.5.0.tgz
2、制作kafka镜像
cat > Dockerfile << 'EOF'
FROM java:8-jdk-alpine
WORKDIR /app
ADD kafka_2.13-3.5.0.tgz .
RUN echo "https://mirrors.aliyun.com/alpine/v3.11/main/" > /etc/apk/repositories \
&& echo "https://mirrors.aliyun.com/alpine/v3.11/community/" >> /etc/apk/repositories \
&& apk update \
&& apk add tzdata bash \
&& ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
&& ln -sf kafka_2.13-3.5.0 kafka
EXPOSE 9092
EOF
docker build -t kafka:3.5.0 .
3、创建Kafka集群
apiVersion: v1
kind: Service
metadata:
name: kafka
labels:
app: kafka
spec:
clusterIP: None
selector:
app: kafka
ports:
- port: 9092
name: server
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: kafka
spec:
serviceName: kafka
replicas: 3
selector:
matchLabels:
app: kafka
template:
metadata:
labels:
app: kafka
spec:
containers:
- name: kafka
image: registry.cn-hangzhou.aliyuncs.com/dingliming/kafka:3.5.0
imagePullPolicy: IfNotPresent
ports:
- containerPort: 9092
name: server
command:
- sh
- -c
- "exec /app/kafka/bin/kafka-server-start.sh /app/kafka/config/server.properties --override broker.id=${HOSTNAME##*-} \
--override listeners=PLAINTEXT://:9092 \
--override zookeeper.connect=zookeeper-0.zookeeper.default.svc.cluster.local:2181,zookeeper-1.zookeeper.default.svc.cluster.local:2181,zookeeper-2.zookeeper.default.svc.cluster.local:2181 \
--override log.dirs=/var/lib/kafka/data \
--override auto.create.topics.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=168 \
--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=1 \
--override fetch.purgatory.purge.interval.requests=1000 \
--override group.max.session.timeout.ms=300000 \
--override group.min.session.timeout.ms=6000 \
--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=1 \
--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 : "-Xms256M -Xmx512M"
- name: KAFKA_OPTS
value: "-Dlogging.level=INFO"
volumeMounts:
- name: data
mountPath: /var/lib/kafka/data
volumeClaimTemplates:
- metadata:
name: data
spec:
storageClassName: "nfs-client"
accessModes: [ "ReadWriteOnce" ]
resources:
requests:
storage: 3Gi
4、验证并测试
注:查看日志如下,表示kafka服务已启动。
[root@k8s-master1 kafka]# kubectl logs -f kafka-0
[2023-10-18 17:17:31,420] INFO [ZooKeeperClient Kafka server] Connected. (kafka.zookeeper.ZooKeeperClient)
[2023-10-18 17:17:31,731] INFO Cluster ID = GFC9eRi5TeG8vZiNgW3Jog (kafka.server.KafkaServer)
[2023-10-18 17:17:31,739] WARN No meta.properties file under dir /var/lib/kafka/data/meta.properties (kafka.server.BrokerMetadataCheckpoint)
[2023-10-18 17:17:31,806] INFO KafkaConfig values:
advertised.listeners = null
alter.config.policy.class.name = null
alter.log.dirs.replication.quota.window.num = 11
alter.log.dirs.replication.quota.window.size.seconds = 1
authorizer.class.name =
auto.create.topics.enable = true
auto.include.jmx.reporter = true
auto.leader.rebalance.enable = true
background.threads = 10
broker.heartbeat.interval.ms = 2000
broker.id = 0
broker.id.generation.enable = true
broker.rack = null
broker.session.timeout.ms = 9000
client.quota.callback.class = null
compression.type = producer
connection.failed.authentication.delay.ms = 100
connections.max.idle.ms = 600000
connections.max.reauth.ms = 0
control.plane.listener.name = null
controlled.shutdown.enable = true
controlled.shutdown.max.retries = 3
controlled.shutdown.retry.backoff.ms = 5000
controller.listener.names = null
controller.quorum.append.linger.ms = 25
controller.quorum.election.backoff.max.ms = 1000
controller.quorum.election.timeout.ms = 1000
controller.quorum.fetch.timeout.ms = 2000
controller.quorum.request.timeout.ms = 2000
controller.quorum.retry.backoff.ms = 20
controller.quorum.voters = []
controller.quota.window.num = 11
controller.quota.window.size.seconds = 1
controller.socket.timeout.ms = 30000
create.topic.policy.class.name = null
default.replication.factor = 1
delegation.token.expiry.check.interval.ms = 3600000
delegation.token.expiry.time.ms = 86400000
delegation.token.master.key = null
delegation.token.max.lifetime.ms = 604800000
delegation.token.secret.key = null
delete.records.purgatory.purge.interval.requests = 1
delete.topic.enable = true
early.start.listeners = null
fetch.max.bytes = 57671680
fetch.purgatory.purge.interval.requests = 1000
group.consumer.assignors = []
group.consumer.heartbeat.interval.ms = 5000
group.consumer.max.heartbeat.interval.ms = 15000
group.consumer.max.session.timeout.ms = 60000
group.consumer.max.size = 2147483647
group.consumer.min.heartbeat.interval.ms = 5000
group.consumer.min.session.timeout.ms = 45000
group.consumer.session.timeout.ms = 45000
group.coordinator.new.enable = false
group.coordinator.threads = 1
group.initial.rebalance.delay.ms = 0
group.max.session.timeout.ms = 300000
group.max.size = 2147483647
group.min.session.timeout.ms = 6000
initial.broker.registration.timeout.ms = 60000
inter.broker.listener.name = null
inter.broker.protocol.version = 3.5-IV2
kafka.metrics.polling.interval.secs = 10
kafka.metrics.reporters = []
leader.imbalance.check.interval.seconds = 300
leader.imbalance.per.broker.percentage = 10
listener.security.protocol.map = PLAINTEXT:PLAINTEXT,SSL:SSL,SASL_PLAINTEXT:SASL_PLAINTEXT,SASL_SSL:SASL_SSL
listeners = PLAINTEXT://:9092
log.cleaner.backoff.ms = 15000
log.cleaner.dedupe.buffer.size = 134217728
log.cleaner.delete.retention.ms = 86400000
log.cleaner.enable = true
log.cleaner.io.buffer.load.factor = 0.9
log.cleaner.io.buffer.size = 524288
log.cleaner.io.max.bytes.per.second = 1.7976931348623157E308
log.cleaner.max.compaction.lag.ms = 9223372036854775807
log.cleaner.min.cleanable.ratio = 0.5
log.cleaner.min.compaction.lag.ms = 0
log.cleaner.threads = 1
log.cleanup.policy = [delete]
log.dir = /tmp/kafka-logs
log.dirs = /var/lib/kafka/data
log.flush.interval.messages = 9223372036854775807
log.flush.interval.ms = null
log.flush.offset.checkpoint.interval.ms = 60000
log.flush.scheduler.interval.ms = 9223372036854775807
log.flush.start.offset.checkpoint.interval.ms = 60000
log.index.interval.bytes = 4096
log.index.size.max.bytes = 10485760
log.message.downconversion.enable = true
log.message.format.version = 3.0-IV1
log.message.timestamp.difference.max.ms = 9223372036854775807
log.message.timestamp.type = CreateTime
log.preallocate = false
log.retention.bytes = -1
log.retention.check.interval.ms = 300000
log.retention.hours = 168
log.retention.minutes = null
log.retention.ms = null
log.roll.hours = 168
log.roll.jitter.hours = 0
log.roll.jitter.ms = null
log.roll.ms = null
log.segment.bytes = 1073741824
log.segment.delete.delay.ms = 60000
max.connection.creation.rate = 2147483647
max.connections = 2147483647
max.connections.per.ip = 2147483647
max.connections.per.ip.overrides =
max.incremental.fetch.session.cache.slots = 1000
message.max.bytes = 1000012
metadata.log.dir = null
metadata.log.max.record.bytes.between.snapshots = 20971520
metadata.log.max.snapshot.interval.ms = 3600000
metadata.log.segment.bytes = 1073741824
metadata.log.segment.min.bytes = 8388608
metadata.log.segment.ms = 604800000
metadata.max.idle.interval.ms = 500
metadata.max.retention.bytes = 104857600
metadata.max.retention.ms = 604800000
metric.reporters = []
metrics.num.samples = 2
metrics.recording.level = INFO
metrics.sample.window.ms = 30000
min.insync.replicas = 1
node.id = 0
num.io.threads = 8
num.network.threads = 3
num.partitions = 1
num.recovery.threads.per.data.dir = 1
num.replica.alter.log.dirs.threads = null
num.replica.fetchers = 1
offset.metadata.max.bytes = 4096
offsets.commit.required.acks = -1
offsets.commit.timeout.ms = 5000
offsets.load.buffer.size = 5242880
offsets.retention.check.interval.ms = 600000
offsets.retention.minutes = 1440
offsets.topic.compression.codec = 0
offsets.topic.num.partitions = 50
offsets.topic.replication.factor = 3
offsets.topic.segment.bytes = 104857600
password.encoder.cipher.algorithm = AES/CBC/PKCS5Padding
password.encoder.iterations = 4096
password.encoder.key.length = 128
password.encoder.keyfactory.algorithm = null
password.encoder.old.secret = null
password.encoder.secret = null
principal.builder.class = class org.apache.kafka.common.security.authenticator.DefaultKafkaPrincipalBuilder
process.roles = []
producer.id.expiration.check.interval.ms = 600000
producer.id.expiration.ms = 86400000
producer.purgatory.purge.interval.requests = 1000
queued.max.request.bytes = -1
queued.max.requests = 500
quota.window.num = 11
quota.window.size.seconds = 1
remote.log.index.file.cache.total.size.bytes = 1073741824
remote.log.manager.task.interval.ms = 30000
remote.log.manager.task.retry.backoff.max.ms = 30000
remote.log.manager.task.retry.backoff.ms = 500
remote.log.manager.task.retry.jitter = 0.2
remote.log.manager.thread.pool.size = 10
remote.log.metadata.manager.class.name = null
remote.log.metadata.manager.class.path = null
remote.log.metadata.manager.impl.prefix = null
remote.log.metadata.manager.listener.name = null
remote.log.reader.max.pending.tasks = 100
remote.log.reader.threads = 10
remote.log.storage.manager.class.name = null
remote.log.storage.manager.class.path = null
remote.log.storage.manager.impl.prefix = null
remote.log.storage.system.enable = false
replica.fetch.backoff.ms = 1000
replica.fetch.max.bytes = 1048576
replica.fetch.min.bytes = 1
replica.fetch.response.max.bytes = 10485760
replica.fetch.wait.max.ms = 500
replica.high.watermark.checkpoint.interval.ms = 5000
replica.lag.time.max.ms = 10000
replica.selector.class = null
replica.socket.receive.buffer.bytes = 65536
replica.socket.timeout.ms = 30000
replication.quota.window.num = 11
replication.quota.window.size.seconds = 1
request.timeout.ms = 30000
reserved.broker.max.id = 1000
sasl.client.callback.handler.class = null
sasl.enabled.mechanisms = [GSSAPI]
sasl.jaas.config = null
sasl.kerberos.kinit.cmd = /usr/bin/kinit
sasl.kerberos.min.time.before.relogin = 60000
sasl.kerberos.principal.to.local.rules = [DEFAULT]
sasl.kerberos.service.name = null
sasl.kerberos.ticket.renew.jitter = 0.05
sasl.kerberos.ticket.renew.window.factor = 0.8
sasl.login.callback.handler.class = null
sasl.login.class = null
sasl.login.connect.timeout.ms = null
sasl.login.read.timeout.ms = null
sasl.login.refresh.buffer.seconds = 300
sasl.login.refresh.min.period.seconds = 60
sasl.login.refresh.window.factor = 0.8
sasl.login.refresh.window.jitter = 0.05
sasl.login.retry.backoff.max.ms = 10000
sasl.login.retry.backoff.ms = 100
sasl.mechanism.controller.protocol = GSSAPI
sasl.mechanism.inter.broker.protocol = GSSAPI
sasl.oauthbearer.clock.skew.seconds = 30
sasl.oauthbearer.expected.audience = null
sasl.oauthbearer.expected.issuer = null
sasl.oauthbearer.jwks.endpoint.refresh.ms = 3600000
sasl.oauthbearer.jwks.endpoint.retry.backoff.max.ms = 10000
sasl.oauthbearer.jwks.endpoint.retry.backoff.ms = 100
sasl.oauthbearer.jwks.endpoint.url = null
sasl.oauthbearer.scope.claim.name = scope
sasl.oauthbearer.sub.claim.name = sub
sasl.oauthbearer.token.endpoint.url = null
sasl.server.callback.handler.class = null
sasl.server.max.receive.size = 524288
security.inter.broker.protocol = PLAINTEXT
security.providers = null
server.max.startup.time.ms = 9223372036854775807
socket.connection.setup.timeout.max.ms = 30000
socket.connection.setup.timeout.ms = 10000
socket.listen.backlog.size = 50
socket.receive.buffer.bytes = 102400
socket.request.max.bytes = 104857600
socket.send.buffer.bytes = 102400
ssl.cipher.suites = []
ssl.client.auth = none
ssl.enabled.protocols = [TLSv1.2]
ssl.endpoint.identification.algorithm = https
ssl.engine.factory.class = null
ssl.key.password = null
ssl.keymanager.algorithm = SunX509
ssl.keystore.certificate.chain = null
ssl.keystore.key = null
ssl.keystore.location = null
ssl.keystore.password = null
ssl.keystore.type = JKS
ssl.principal.mapping.rules = DEFAULT
ssl.protocol = TLSv1.2
ssl.provider = null
ssl.secure.random.implementation = null
ssl.trustmanager.algorithm = PKIX
ssl.truststore.certificates = null
ssl.truststore.location = null
ssl.truststore.password = null
ssl.truststore.type = JKS
transaction.abort.timed.out.transaction.cleanup.interval.ms = 10000
transaction.max.timeout.ms = 900000
transaction.remove.expired.transaction.cleanup.interval.ms = 3600000
transaction.state.log.load.buffer.size = 5242880
transaction.state.log.min.isr = 1
transaction.state.log.num.partitions = 50
transaction.state.log.replication.factor = 1
transaction.state.log.segment.bytes = 104857600
transactional.id.expiration.ms = 604800000
unclean.leader.election.enable = true
unstable.api.versions.enable = false
zookeeper.clientCnxnSocket = null
zookeeper.connect = zookeeper-0.zookeeper.default.svc.cluster.local:2181,zookeeper-1.zookeeper.default.svc.cluster.local:2181,zookeeper-2.zookeeper.default.svc.cluster.local:2181
zookeeper.connection.timeout.ms = 18000
zookeeper.max.in.flight.requests = 10
zookeeper.metadata.migration.enable = false
zookeeper.session.timeout.ms = 6000
zookeeper.set.acl = false
zookeeper.ssl.cipher.suites = null
zookeeper.ssl.client.enable = false
zookeeper.ssl.crl.enable = false
zookeeper.ssl.enabled.protocols = null
zookeeper.ssl.endpoint.identification.algorithm = HTTPS
zookeeper.ssl.keystore.location = null
zookeeper.ssl.keystore.password = null
zookeeper.ssl.keystore.type = null
zookeeper.ssl.ocsp.enable = false
zookeeper.ssl.protocol = TLSv1.2
zookeeper.ssl.truststore.location = null
zookeeper.ssl.truststore.password = null
zookeeper.ssl.truststore.type = null
(kafka.server.KafkaConfig)
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