Install Kafka on K8s 1.18.3

Environment

• k8s: 1.18.3
• Chart: bitnami/kafka:25.3.5
• Image: kafka:3.5.1-debian-11-r44

Helm Chart

helm search repo bitnami/kafka --versions

helm pull bitnami/kafka --version 25.3.5

Disable Zookeeper

kraft:
  ## @param kraft.enabled Switch to enable or disable the KRaft mode for Kafka
  ##
  enabled: true

zookeeper:
  ## @param zookeeper.enabled Switch to enable or disable the ZooKeeper helm chart. Must be false if you use KRaft mode.
  ##
  enabled: false
  ## @param zookeeper.replicaCount Number of ZooKeeper nodes
  ##
  replicaCount: 1
  ## ZooKeeper authentication
  ##

• kraft.enabled: true
• zookeeper.enabled: false

Errors

SecompProfile

Error: INSTALLATION FAILED: unable to build kubernetes objects from release manifest: error validating "": error validating data: ValidationError(StatefulSet.spec.template.spec.containers[0].securityContext): unknown field "seccompProfile" in io.k8s.api.core.v1.SecurityContext

grep -r seccompProfile *

Delete all seccomProfile

Replication Factor

[2025-01-13 10:32:27,380] INFO [QuorumController id=0] CreateTopics result(s): CreatableTopic(name='__consumer_offsets', numPartitions=50, replicationFactor=3, assignments=[], configs=[CreateableTopicConfig(name='compression.type', value='producer'), CreateableTopicConfig(name='cleanup.policy', value='compact'), CreateableTopicConfig(name='segment.bytes', value='104857600')]): INVALID_REPLICATION_FACTOR (Unable to replicate the partition 3 time(s): The target replication factor of 3 cannot be reached because only 1 broker(s) are registered.) (org.apache.kafka.controller.ReplicationControlManager)

Modify replication factor.

offsets.topic.replication.factor=1
transaction.state.log.replication.factor=1
transaction.state.log.min.isr=1
#default.replication.factor=1
#min.insync.replicas=1

TroubleShooting

If no pod start

kubectl describe statefulset foobar-kafka-controller