Matthieu
42db2ca141
Replace ZooKeeper-based Kafka with KRaft (Kafka Raft) metadata mode. Strimzi 0.45 is the last line that still supports ZooKeeper, so this prepares the transition before ZooKeeper support is removed upstream. Chart changes: - The Kafka CR always renders strimzi.io/kraft=enabled with node pools and no spec.zookeeper block. Storage, replicas and resources move to separate broker + controller KafkaNodePools (a homogeneous separate-pool layout works for both fresh installs and migrations; Strimzi 0.45 does not support migration into a combined pool). - Kafka version is now user-configurable via the standard files/versions.yaml pattern (v3.9 default, v3.8 available); appVersion bumped to 3.9.0. - WorkloadMonitors track the broker and controller pools (no zookeeper monitor); the dashboard RBAC grants the controller monitor and drops the zookeeper one. Migration of existing ZooKeeper clusters is handled by a Helm pre-upgrade Job (templates/migration-hook.yaml) gated by a <release>-kafka-deployed-version ConfigMap, following the established seaweedfs/etcd hook pattern. The Job creates the broker + controller pools with Helm ownership labels, drives the Strimzi ZK->KRaft state machine (node-pools=enabled, kraft=migration -> kraft=enabled once KRaftPostMigration is reached) and is skipped once the ConfigMap records version >= "1". Testing: - Helm unit tests cover the Kafka CR, node pools, migration hook, metrics, topics, version map, dashboard RBAC and workload monitors. - The e2e suite is ported to the current Chainsaw framework (hack/e2e-chainsaw/kafka): it asserts the KRaft topology (both node pools, kafkaMetadataState=KRaft), the absence of ZooKeeper, and bootstrap endpoints. Rebased onto current main: TLS listener support, entity-operator resource guards, x-cozystack-options schema annotations and the WorkloadMonitor replica-path fix are all preserved and reconciled with KRaft. Signed-off-by: Matthieu <matthieu@hidora.com> Signed-off-by: Alexey Artamonov <aleksei.artamonov@aenix.io>
Cozystack
Cozystack is a free and open-source platform and framework for building clouds.
Cozystack is a CNCF Sandbox project that was originally built and sponsored by Ænix.
With Cozystack, you can transform a bunch of servers into an intelligent system with a simple REST API for spawning Kubernetes clusters, Database-as-a-Service, virtual machines, load balancers, HTTP caching services, and other services with ease.
Use Cozystack to build your own cloud or provide a cost-effective development environment.
Use-Cases
-
Using Cozystack to build a public cloud
You can use Cozystack as a backend for a public cloud -
Using Cozystack to build a private cloud
You can use Cozystack as a platform to build a private cloud powered by Infrastructure-as-Code approach -
Using Cozystack as a Kubernetes distribution
You can use Cozystack as a Kubernetes distribution for Bare Metal
Documentation
The documentation is located on the cozystack.io website.
Read the Getting Started section for a quick start.
If you encounter any difficulties, start with the troubleshooting guide and work your way through the process that we've outlined.
Versioning
Versioning adheres to the Semantic Versioning principles.
A full list of the available releases is available in the GitHub repository's Release section.
Contributions
Contributions are highly appreciated and very welcomed!
In case of bugs, please check if the issue has already been opened by checking the GitHub Issues section. If it isn't, you can open a new one. A detailed report will help us replicate it, assess it, and work on a fix.
You are welcome to take on the fix yourself. Commits are used to generate the changelog, and their author will be referenced in it.
If you have a concrete feature request, open an issue. For a cross-cutting or architectural change, open a design proposal in the community repo. For questions or early ideas, use GitHub Discussions. See CONTRIBUTING.md for the full routing.
Community
You are welcome to join us in #cozystack, on either CNCF Slack (get an invite) or Kubernetes Slack (get an invite), in our Telegram group, and at our community meetings. Add them to your Google Calendar or iCal for convenience.
Project documents
| Document | What it covers |
|---|---|
| Governance | How decisions are made and who makes them |
| Contributor Ladder | How to grow from contributor to maintainer |
| Maintainers | Who maintains the project |
| Code of Conduct | What we expect of each other |
| Security Policy | Reporting a vulnerability, and which releases get fixes |
| Adopters | Who runs Cozystack in production |
| Roadmap | Where the project is going |
License
Cozystack is licensed under Apache 2.0.
The code is provided as-is with no warranties.
Commercial Support
A list of companies providing commercial support for this project can be found on official site.