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The Job in templates/talos/talos-reconcile-job.yaml is the only
producer of the TalosConfigTemplate that each worker
MachineDeployment names in spec.template.spec.bootstrap.configRef;
cluster.yaml renders the reference but deliberately not the object.
Its loop read .Values.nodeGroups directly, while the
MachineDeployment loop reads the effective set through the
kubernetes.nodeGroups helper.
For a cluster that supplies no nodeGroups the two disagree: the
helper's else-branch emits the built-in md0 group, so the md0
MachineDeployment renders, but the raw map is empty and no Job
renders at all. Every Machine the cluster-autoscaler adds to md0
then blocks indefinitely on a TalosConfigTemplate that nothing will
ever create, and the KamajiControlPlane spec.network.certSANs patch
the same Job performs is skipped too.
Range over the helper so the Job set tracks the MachineDeployment
set exactly. No change for a cluster that declares its own groups,
and md0 stays removable: the helper's if-branch keeps a
user-supplied map authoritative.
The gap survived because every helm-unittest fixture and e2e suite
declares md0 explicitly. tests/nodegroups_default_test.yaml does
render the empty-nodeGroups case but lists only
templates/cluster.yaml, so it never looked at the Job. The new
suite pins both halves of the helper contract and fails without
this fix.
Fixes #3504
Assisted-By: Claude <noreply@anthropic.com>
Signed-off-by: Myasnikov Daniil <myasnikovdaniil2001@gmail.com>
(cherry picked from commit 4e9c5ce8ca)