installers/charm/kafka-k8s/reactive/spec_template.yaml

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   5 # a copy of the License at
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  21
  22 version: 2
  23 containers:
  24   - name: %(name)s
  25     image: %(docker_image)s
  26     ports:
  27       - containerPort: %(advertised-port)s
  28         protocol: TCP
  29     config:
  30       ALLOW_ANONYMOUS_LOGIN: 'yes'
  31       ENABLE_AUTO_EXTEND: "true"
  32       KAFKA_ADVERTISED_HOST_NAME: %(advertised-hostname)s
  33       KAFKA_ADVERTISED_PORT: %(advertised-port)s
  34       KAFKA_AUTO_CREATE_TOPICS_ENABLE: "true"
  35       KAFKA_RESERVED_BROKER_MAX_ID: "999999999"
  36     command:
  37       - sh
  38       - -c
  39       - "exec kafka-server-start.sh /opt/kafka/config/server.properties --override broker.id=${HOSTNAME##*-} \
  40         --override listeners=PLAINTEXT://:%(advertised-port)s \
  41         --override zookeeper.connect=%(zookeeper_uri)s \
  42         --override log.dir=/var/lib/kafka \
  43         --override auto.create.topics.enable=true \
  44         --override auto.leader.rebalance.enable=true \
  45         --override background.threads=10 \
  46         --override compression.type=producer \
  47         --override delete.topic.enable=false \
  48         --override leader.imbalance.check.interval.seconds=300 \
  49         --override leader.imbalance.per.broker.percentage=10 \
  50         --override log.flush.interval.messages=9223372036854775807 \
  51         --override log.flush.offset.checkpoint.interval.ms=60000 \
  52         --override log.flush.scheduler.interval.ms=9223372036854775807 \
  53         --override log.retention.bytes=-1 \
  54         --override log.retention.hours=168 \
  55         --override log.roll.hours=168 \
  56         --override log.roll.jitter.hours=0 \
  57         --override log.segment.bytes=1073741824 \
  58         --override log.segment.delete.delay.ms=60000 \
  59         --override message.max.bytes=1000012 \
  60         --override min.insync.replicas=1 \
  61         --override num.io.threads=8 \
  62         --override num.network.threads=%(kafka-units)s \
  63         --override num.recovery.threads.per.data.dir=1 \
  64         --override num.replica.fetchers=1 \
  65         --override offset.metadata.max.bytes=4096 \
  66         --override offsets.commit.required.acks=-1 \
  67         --override offsets.commit.timeout.ms=5000 \
  68         --override offsets.load.buffer.size=5242880 \
  69         --override offsets.retention.check.interval.ms=600000 \
  70         --override offsets.retention.minutes=1440 \
  71         --override offsets.topic.compression.codec=0 \
  72         --override offsets.topic.num.partitions=50 \
  73         --override offsets.topic.replication.factor=%(kafka-units)s \
  74         --override offsets.topic.segment.bytes=104857600 \
  75         --override queued.max.requests=500 \
  76         --override quota.consumer.default=9223372036854775807 \
  77         --override quota.producer.default=9223372036854775807 \
  78         --override replica.fetch.min.bytes=1 \
  79         --override replica.fetch.wait.max.ms=500 \
  80         --override replica.high.watermark.checkpoint.interval.ms=5000 \
  81         --override replica.lag.time.max.ms=10000 \
  82         --override replica.socket.receive.buffer.bytes=65536 \
  83         --override replica.socket.timeout.ms=30000 \
  84         --override request.timeout.ms=30000 \
  85         --override socket.receive.buffer.bytes=102400 \
  86         --override socket.request.max.bytes=104857600 \
  87         --override socket.send.buffer.bytes=102400 \
  88         --override unclean.leader.election.enable=true \
  89         --override zookeeper.session.timeout.ms=6000 \
  90         --override zookeeper.set.acl=false \
  91         --override broker.id.generation.enable=true \
  92         --override connections.max.idle.ms=600000 \
  93         --override controlled.shutdown.enable=true \
  94         --override controlled.shutdown.max.retries=3 \
  95         --override controlled.shutdown.retry.backoff.ms=5000 \
  96         --override controller.socket.timeout.ms=30000 \
  97         --override default.replication.factor=1 \
  98         --override fetch.purgatory.purge.interval.requests=1000 \
  99         --override group.max.session.timeout.ms=300000 \
 100         --override group.min.session.timeout.ms=6000 \
 101         --override log.cleaner.backoff.ms=15000 \
 102         --override log.cleaner.dedupe.buffer.size=134217728 \
 103         --override log.cleaner.delete.retention.ms=86400000 \
 104         --override log.cleaner.enable=true \
 105         --override log.cleaner.io.buffer.load.factor=0.9 \
 106         --override log.cleaner.io.buffer.size=524288 \
 107         --override log.cleaner.io.max.bytes.per.second=1.7976931348623157E308 \
 108         --override log.cleaner.min.cleanable.ratio=0.5 \
 109         --override log.cleaner.min.compaction.lag.ms=0 \
 110         --override log.cleaner.threads=1 \
 111         --override log.cleanup.policy=delete \
 112         --override log.index.interval.bytes=4096 \
 113         --override log.index.size.max.bytes=10485760 \
 114         --override log.message.timestamp.difference.max.ms=9223372036854775807 \
 115         --override log.message.timestamp.type=CreateTime \
 116         --override log.preallocate=false \
 117         --override log.retention.check.interval.ms=300000 \
 118         --override max.connections.per.ip=2147483647 \
 119         --override num.partitions=%(num-partitions)s \
 120         --override producer.purgatory.purge.interval.requests=1000 \
 121         --override replica.fetch.backoff.ms=1000 \
 122         --override replica.fetch.max.bytes=1048576 \
 123         --override replica.fetch.response.max.bytes=10485760 \
 124         --override reserved.broker.max.id=1000 "
 125     kubernetes:
 126       readinessProbe:
 127         tcpSocket:
 128           port: %(advertised-port)s
 129         timeoutSeconds: 5
 130         periodSeconds: 5
 131         initialDelaySeconds: 10
 132       livenessProbe:
 133         exec:
 134           command:
 135           - sh
 136           - -c
 137           - "/opt/kafka/bin/kafka-broker-api-versions.sh --bootstrap-server=localhost:%(advertised-port)s"
 138         initialDelaySeconds: 60
 139         timeoutSeconds: 10
 140         periodSeconds: 5