[Failing test][cluster-api-core-main] invalid ControlPlane upgrade plan: control plane upgrade plan must end with version v1.35.0-alpha.0.712+f8f1e49f3b1288 #12774
Description
Which jobs are failing?
cluster-api-core-main
- capi-e2e-latestk8s-main
Which tests are failing?
capi-e2e.[It] When performing chained upgrades for workload cluster using ClusterClass in a different NS with RuntimeSDK [ClusterClass] Should create, upgrade and delete a workload cluster [ClusterClass].
Since when has it been failing?
According to Triage, this test started to fail since 13 September.
This is Prow logs of 3 recents run:
16/09/2025, 13:52:51
16/09/2025, 10:47:58
16/09/2025, 07:47:59
Testgrid link
https://testgrid.k8s.io/cluster-api-core-main#capi-e2e-latestk8s-main
Reason for failure (if possible)
{Failed to default and validate the upgrade plan
Unexpected error:
<*errors.fundamental | 0xc000f086f0>:
invalid ControlPlane upgrade plan: control plane upgrade plan must end with version v1.35.0-alpha.0.712+f8f1e49f3b1288, ends with v1.34.0 instead
{
msg: "invalid ControlPlane upgrade plan: control plane upgrade plan must end with version v1.35.0-alpha.0.712+f8f1e49f3b1288, ends with v1.34.0 instead",
stack: [0x248ab6a, 0x251bc97, 0x897ff3, 0x8aca13, 0x484341],
}
occurred failed [FAILED] Failed to default and validate the upgrade plan
Unexpected error:
<*errors.fundamental | 0xc000f086f0>:
invalid ControlPlane upgrade plan: control plane upgrade plan must end with version v1.35.0-alpha.0.712+f8f1e49f3b1288, ends with v1.34.0 instead
{
msg: "invalid ControlPlane upgrade plan: control plane upgrade plan must end with version v1.35.0-alpha.0.712+f8f1e49f3b1288, ends with v1.34.0 instead",
stack: [0x248ab6a, 0x251bc97, 0x897ff3, 0x8aca13, 0x484341],
}
occurred
In [It] at: /home/prow/go/src/sigs.k8s.io/cluster-api/test/e2e/cluster_upgrade_runtimesdk.go:285 @ 09/16/25 07:39:31.35
There were additional failures detected after the initial failure. These are visible in the timeline
}
Anything else we need to know?
No response
Label(s) to be applied
/kind failing-test
One or more /area label. See https://github.com/kubernetes-sigs/cluster-api/labels?q=area for the list of labels.