Myasnikov Daniil 35d7a3a746 fix(kubernetes-nodes): compare frozen StorageClasses for a pool that has cloned
Resolving an empty storageClass closed the corner where a cross-class
clone passed unchecked, and opened a worse one: the two sides of the
comparison stopped being the same kind of value. The golden's class came
from its bound PVC and could not move; the pool's came from today's
cluster default and could. An admin moving
storageclass.kubernetes.io/is-default-class, which the resolver's own
comment calls the normal state midway through a swap, then failed the
whole KubernetesNodes release of a pool whose disks were all on the
right class, which had changed nothing, and whose storageClass is
immutable so it could not answer.

A pool that has already cloned now reads its class from its own bound
PVC, the same authority the golden side uses. Today's default applies
only to a pool with no disk yet, which is the class its first clone will
actually get. Gating the guard on the already-cloned flag instead, the
way the two guards above it are gated, would have spared the same pool
and then let its next worker take the host-assisted copy in silence,
which is the transfer this feature exists to remove.

The failure message named a cluster default the render had not
consulted. It is computed only when a side is empty, and interpolated
unconditionally, so a mismatch between two explicit classes reported
resolving to . The sentence is now built only when a side really was
resolved from the default.

The size floor skipped whenever the DataVolume spec omitted a size, and
a golden whose spec is silent still has a bound PVC stating the
allocated one. The same authority argument as the class, and it makes
the gate observable: previously it could be forced either way with no
test noticing, which is how it survived a mutation pass that only ever
forced conditions false.

Six cases, including the reviewer's own reproduction. Three of them pin
precedence contracts nothing held before: the golden's declared class
and size beat its PVC, and a pool's declared class beats the PVC of its
own disks. The PVC is a fallback, never an override.

Assisted-By: LLM
Signed-off-by: Myasnikov Daniil <myasnikovdaniil2001@gmail.com>
2026-09-03 12:17:37 +05:00
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.

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The documentation is located on the cozystack.io website.

Read the Getting Started section for a quick start.

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