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# Default values for cp-kafka.
# This is a YAML-formatted file.
# Declare variables to be passed into your templates.
## ------------------------------------------------------
## Kafka
## ------------------------------------------------------
## Number of Kafka brokers
brokers: 3
## Image Info
## ref: https://hub.docker.com/r/confluentinc/cp-kafka/
image: confluentinc/cp-kafka
imageTag: 5.0.0
## Specify a imagePullPolicy
## ref: http://kubernetes.io/docs/user-guide/images/#pre-pulling-images
imagePullPolicy: IfNotPresent
## Specify an array of imagePullSecrets.
## Secrets must be manually created in the namespace.
## ref: https://kubernetes.io/docs/concepts/containers/images/#specifying-imagepullsecrets-on-a-pod
imagePullSecrets:
## StatefulSet Config
## Start and stop pods in Parallel or OrderedReady (one-by-one.)
## ref: https://kubernetes.io/docs/tutorials/stateful-application/basic-stateful-set/#pod-management-policy
podManagementPolicy: OrderedReady
## The StatefulSet Update Strategy which Kafka will use when changes are applied: OnDelete or RollingUpdate
## ref: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#update-strategies
updateStrategy: RollingUpdate
## Kafka Server properties
## ref: https://kafka.apache.org/documentation/#configuration
configurationOverrides:
"log.dirs": /opt/kafka/data/logs
"offsets.topic.replication.factor": 3
# "default.replication.factor": 3
# "min.insync.replicas": 2
# "auto.create.topics.enable": false
## Options required for external access via NodePort
## ref:
## - http://kafka.apache.org/documentation/#security_configbroker
## - https://cwiki.apache.org/confluence/display/KAFKA/KIP-103%3A+Separation+of+Internal+and+External+traffic
##
## Setting "advertised.listeners" here appends to "PLAINTEXT://${POD_IP}:9092,"
"advertised.listeners": |-
EXTERNAL://${HOST_IP}:$((31090 + ${KAFKA_BROKER_ID}))
"listener.security.protocol.map": |-
PLAINTEXT:PLAINTEXT,EXTERNAL:PLAINTEXT
persistence:
enabled: true
## The size of the PersistentVolume to allocate to each Kafka Pod in the StatefulSet. For
## production servers this number should likely be much larger.
size: 1Gi
## Kafka data Persistent Volume Storage Class
## If defined, storageClassName: <storageClass>
## If set to "-", storageClassName: "", which disables dynamic provisioning
## If undefined (the default) or set to null, no storageClassName spec is
## set, choosing the default provisioner. (gp2 on AWS, standard on
## GKE, AWS & OpenStack)
##
# storageClass: ""
## Kafka JVM Heap Option
heapOptions: "-Xms1G -Xmx1G"
resources: {}
# We usually recommend not to specify default resources and to leave this as a conscious
# choice for the user. This also increases chances charts run on environments with little
# resources, such as Minikube. If you do want to specify resources, uncomment the following
# lines, adjust them as necessary, and remove the curly braces after 'resources:'.
# limits:
# cpu: 100m
# memory: 128Mi
# requests:
# cpu: 100m
# memory: 128Mi
## Monitoring
## Kafka JMX Settings
## ref: https://docs.confluent.io/current/kafka/monitoring.html
jmx:
port: 5555
## Prometheus Exporter Configuration
## ref: https://prometheus.io/docs/instrumenting/exporters/
prometheus:
## JMX Exporter Configuration
## ref: https://github.com/prometheus/jmx_exporter
jmx:
enabled: true
image: solsson/kafka-prometheus-jmx-exporter@sha256
imageTag: 6f82e2b0464f50da8104acd7363fb9b995001ddff77d248379f8788e78946143
port: 5556
nodeport:
enabled: false
servicePort: 19092
firstListenerPort: 31090
## ------------------------------------------------------
## Zookeeper
## ------------------------------------------------------
cp-zookeeper:
## If true, install the cp-zookeeper chart alongside cp-kafka
## ref: ../cp-zookeeper
enabled: true
servers: 3
persistence:
enabled: true
dataDirSize: 5Gi
dataLogDirSize: 5Gi
## If the Zookeeper Chart is disabled a URL and port are required to connect
url: ""