When a Kubernetes tenant is created without a parent tenant that has
etcd enabled, .Values._namespace.etcd is empty and the rendered
KamajiControlPlane spec carries an empty dataStoreName. The Kamaji
admission webhook then rejects every TenantControlPlane create with
"tenant-root DataStore does not exist" and the control plane never
comes up.
Add a helm template-level guard that fails rendering with a
descriptive, actionable error message before the HelmRelease even
reaches the webhook. This also closes the narrow race where a
Kubernetes HelmRelease reconciles before the etcd HelmRelease has
created the DataStore CR - flux retries on its interval and picks up
the DataStore once it appears.
Assisted-By: Claude <noreply@anthropic.com>
Signed-off-by: Aleksei Sviridkin <f@lex.la>
cac514b60f