Aleksei Sviridkin a522d58968 feat(cozystack-controller): add a GPU-only mode and a Lease name flag
A cluster whose cozystack-controller predates the GPU binder cannot
pick up GPUDevice by starting a second, newer instance: every
reconciler is registered unconditionally, so the second instance runs
its own copy of the workload, tenant, gateway and secret reconcilers
next to the first.

--gpu-only (with --enable-gpu) registers only the GPU binder, its
webhooks and the probes; nothing else is set up, so no other informer
or cache exists in that process. It is not meant to run beside a
controller from this tree, which runs a binder of its own.
--leader-election-id names the Lease instead of the fixed ID, whose
default stays the historical one. A GPU-only instance that elects
must name its own Lease: on the default one it would take leadership
from the main controller in a shared namespace and stop all of its
reconcilers while holding it. The logger is now set right after flag
parsing, so this and the other flag refusals reach the pod log
instead of exiting silently.

Known limit of the pairing: the older controller's WorkloadMonitor
still counts the GPUs KubeVirt requests on a virt-launcher pod, while
the binder writes a usage record per device, so a VM covered by an
application's WorkloadMonitor is counted twice until the main
controller is upgraded.

The manager wiring is now a list of named steps, so a test can assert
which steps each mode runs without starting a manager. The image
builds the command as a package, since it no longer fits in main.go.

Assisted-by: LLM
Signed-off-by: Aleksei Sviridkin <f@lex.la>
2026-10-22 11:49:15 +03:00
2025-10-08 09:43:34 +05:00
2024-02-08 12:04:32 +01:00

Cozystack Cozystack

GitHub Release Apache-2.0 License Commit activity OpenSSF Best Practices OpenSSF Scorecard CLOMonitor Support

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.

Cozystack user interface

Use-Cases

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.

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