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CHANGELOG.md

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CHANGELOG

0.12.0

  • Adding and removing volumes in Jbod Storage
  • Log at the warn level when a custom resource uses deprecated or unknown properties
  • Reduce the number of images needed to run Strimzi to just two: kafka and operator.
  • Add support for unprivileged users to install the operator with Helm
  • Support for Kafka 2.2.0
  • Support off-cluster access using Kubernetes Nginx Ingress
  • Add ability to configure Image Pull Secrets for all pods in Cluster Operator
  • Support for SASL PLAIN mechanism in Kafka Connect and Mirror Maker (for use with non-Strimzi Kafka cluster)
  • Add resizing of persistent volumes
  • Allow to specify different storage class for every broker

0.11.0

  • Add support for JBOD storage for Kafka brokers
  • Allow users to configure the default ImagePullPolicy
  • Add Prometheus alerting
    • Resources for alert manager deployment and configuration
    • Alerting rules with alert examples from Kafka and Zookeeper metrics
  • Enrich configuration options for off cluster access
  • Support for watching all namespaces
  • Operator Lifecycle Manager integration

0.10.0

  • Support for Kafka 2.1.0
  • Support for Kafka upgrades
  • Add healthchecks to TLS sidecars
  • Add support for new fields in the Pod template: terminationGracePeriod, securityContext and imagePullSecrets
  • Rename annotations to use the strimzi.io domain consistently (The old annotations are deprecated, but still functional):
    • cluster.operator.strimzi.io/delete-claim → strimzi.io/delete-claim
    • operator.strimzi.io/manual-rolling-update → strimzi.io/manual-rolling-update
    • operator.strimzi.io/delete-pod-and-pvc → strimzi.io/delete-pod-and-pvc
    • operator.strimzi.io/generation → strimzi.io/generation
  • Add support for mounting Secrets and Config Maps into Kafka Connect and Kafka Connect S2I
  • Add support for NetworkPolicy peers in listener configurations
  • Make sure the TLS sidecar pods shutdown only after the main container
  • Add support for Pod Disruption Budgets

0.9.0

  • Add possibility to label and annotate different resources (#1039)
  • Add support for TransactionalID in KafkaUser resource
  • Update to Kafka 2.0.1
  • Add maintenance time windows support for allowing CA certificates renewal rolling update started only in specific times (#1117)
  • Add support for upgrading between Kafka versions (#1103). This removes support for STRIMZI_DEFAULT_KAFKA_IMAGE environment variable in the Cluster Operator, replacing it with STRIMZI_KAFKA_IMAGES.

0.8.2

  • Run images under group 0 to avoid storage issues

0.8.1

  • Fix certificate renewal issues

0.8.0

  • Support for unencrypted connections on LoadBalancers and NodePorts.
  • Better support for TLS hostname verification for external connections
  • Certificate renewal / expiration
  • Mirror Maker operator
  • Triggering rolling update / pod deletion manually

0.7.0

  • Exposing Kafka to the outside using:
    • OpenShift Routes
    • LoadBalancers
    • NodePorts
  • Use less wide RBAC permissions (ClusterRoleBindings where converted to RoleBindings where possible)
  • Support for SASL authentication using the SCRAM-SHA-512 mechanism added to Kafka Connect and Kafka Connect with S2I support
  • Network policies for managing access to Zookeeper ports and Kafka replication ports
  • Use OwnerReference and Kubernetes garbage collection feature to delete resources and to track the ownership

0.6.0

  • Helm chart for Strimzi Cluster Operator
  • Topic Operator moving to Custom Resources instead of Config Maps
  • Make it possible to enabled and disable:
    • Listeners
    • Authorization
    • Authentication
  • Configure Kafka super users (super.users field in Kafka configuration)
  • User Operator
    • Managing users and their ACL rights
  • Added new Entity Operator for deploying:
    • User Operator
    • Topic Operator
  • Deploying the Topic Operator outside of the new Entity Operator is now deprecated
  • Kafka 2.0.0
  • Kafka Connect:
    • Added TLS support for connecting to the Kafka cluster
    • Added TLS client authentication when connecting to the Kafka cluster

0.5.0

  • The Cluster Operator now manages RBAC resource for managed resources:
    • ServiceAccount and ClusterRoleBindings for Kafka pods
    • ServiceAccount and RoleBindings for the Topic Operator pods
  • Renaming of Kubernetes services (Backwards incompatible!)
    • Kubernetes services for Kafka, Kafka Connect and Zookeeper have been renamed to better correspond to their purpose
    • xxx-kafka -> xxx-kafka-bootstrap
    • xxx-kafka-headless -> xxx-kafka-brokers
    • xxx-zookeeper -> xxx-zookeeper-client
    • xxx-zookeeper-headless -> xxx-zookeeper-nodes
    • xxx-connect -> xxx-connect-api
  • Cluster Operator moving to Custom Resources instead of Config Maps
  • TLS support has been added to Kafka, Zookeeper and Topic Operator. The following channels are now encrypted:
    • Zookeeper cluster communication
    • Kafka cluster commbunication
    • Communication between Kafka and Zookeeper
    • Communication between Topic Operator and Kafka / Zookeeper
  • Logging configuration for Kafka, Kafka Connect and Zookeeper
  • Add support for Pod Affinity and Anti-Affinity
  • Add support for Tolerations
  • Configuring different JVM options
  • Support for broker rack in Kafka

0.4.0

  • Better configurability of Kafka, Kafka Connect, Zookeeper
  • Support for Kubernetes request and limits
  • Support for JVM memory configuration of all components
  • Controllers renamed to operators
  • Improved log verbosity of Cluster Operator
  • Update to Kafka 1.1.0