Files
homelab/k8s/infra/oidc-bootstrap/bootstrap.yaml
T
rock 2e4fad3bf7 fix(oidc): use curlimages/curl for the bootstrap job (bitnami/kubectl tag did not exist)
The first job could not pull its image; this one deletes the apiserver pods via the
in-cluster API with the mounted service-account token instead of a kubectl image.
2026-10-07 03:52:10 +00:00

59 lines
1.9 KiB
YAML

# One-shot bootstrap: restart the control-plane apiservers ONCE so they pick up the
# OIDC authenticator (they last started before the Authentik provider existed, so OIDC
# tokens were never accepted -> every login got 401). Delete this whole directory after.
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: oidc-bootstrap
namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: oidc-bootstrap
namespace: kube-system
rules:
- apiGroups: [""]
resources: ["pods"]
verbs: ["get", "list", "delete"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: oidc-bootstrap
namespace: kube-system
subjects:
- kind: ServiceAccount
name: oidc-bootstrap
namespace: kube-system
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: oidc-bootstrap
---
apiVersion: batch/v1
kind: Job
metadata:
name: oidc-bootstrap-restart-apiserver-v2
namespace: kube-system
spec:
backoffLimit: 4
ttlSecondsAfterFinished: 7200
template:
spec:
serviceAccountName: oidc-bootstrap
restartPolicy: Never
containers:
- name: restart
image: docker.io/curlimages/curl:8.22.0
command: ["/bin/sh", "-c"]
args:
- |
set -u
TOKEN=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)
CA=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
for pod in kube-apiserver-talos-cp-1 kube-apiserver-talos-cp-2 kube-apiserver-talos-cp-3; do
curl -sS --max-time 15 --cacert "$CA" -H "Authorization: Bearer $TOKEN" -X DELETE "https://kubernetes.default.svc/api/v1/namespaces/kube-system/pods/$pod?gracePeriodSeconds=0" -o /dev/null -w "$pod -> HTTP %{http_code}\n" || echo "$pod -> request failed"
done
echo "deletes requested; kubelet recreates each static pod in ~20-40s"