Alexey Artamonov 87b26d6595 fix(postgres): only seed spec.instances when synchronous quorum needs it
Narrow the previous unconditional seed to a conditional one, keeping design
proposal §3 (chart omits the field, HPA is the sole writer) intact for the
default path. Without synchronous quorum (maxSyncReplicas=0) CNPG's defaulted
instances=1 is admissible, so the field is omitted exactly as §3 specifies and
KEDA owns it via /scale with nothing contested. Only when maxSyncReplicas>=1 -
where an omitted/defaulted instances=1 fails the admission webhook
("maxSyncReplicas must be lower than the number of instances") - does the chart
seed the quorum floor (effectiveMin) so a fresh Cluster is admitted; the constant
re-render keeps three-way merge from reverting KEDA's higher live value.

This confines the deviation to the case §3 did not consider (sync quorum), so no
design-proposal amendment is needed for the documented path. Verified live on a
dev cluster: the quorum render (instances=2, maxSyncReplicas=1) and the
non-quorum render (instances omitted) are both admitted by the CNPG webhook. Adds
a render test for the non-quorum omit path alongside the quorum seed tests.

Signed-off-by: Alexey Artamonov <aleksei.artamonov@aenix.io>
2026-09-04 23:18:47 +03:00
2025-10-08 09:43:34 +05:00
2024-02-08 12:04:32 +01:00

Cozystack Cozystack

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Cozystack

Cozystack is a free platform and framework for building clouds.

Cozystack is a CNCF Sandbox Level 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 can express your intention to on the fix on your own. 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.

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You are welcome to join our Telegram group and come to our weekly community meetings. Add them to your Google Calendar or iCal for convenience.

License

Cozystack is licensed under Apache 2.0.
The code is provided as-is with no warranties.

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A list of companies providing commercial support for this project can be found on official site.

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