5-spot/deploy/deployment/rbac/clusterrole.yaml at 5af786af2c81e8e10d2dd585f6d4ef0c25cc8093 · finos/5-spot · GitHub

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# 5-Spot Controller ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: 5spot-controller
  labels:
    app.kubernetes.io/name: 5spot
    app.kubernetes.io/component: controller
rules:
  # ScheduledMachine CRD management
  - apiGroups: ["5spot.finos.org"]
    resources: ["scheduledmachines", "scheduledmachines/status"]
    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]

  # ScheduledMachine finalizers — required because the controller sets
  # `blockOwnerDeletion: true` on the ownerReference it writes from every
  # child CAPI Machine back to its parent ScheduledMachine
  # (src/reconcilers/helpers.rs). The API server treats blockOwnerDeletion
  # as equivalent to holding a finalizer on the owner, so it checks that
  # the creating identity has `update` on <owner-resource>/finalizers.
  # Without this rule, Machine creation is rejected with:
  #   cannot set blockOwnerDeletion if an ownerReference refers to a
  #   resource you can't set finalizers on
  # Verb is intentionally just `update` — the minimum the subresource
  # check requires; the broader CRUD set on the main resource above is
  # not needed here.
  - apiGroups: ["5spot.finos.org"]
    resources: ["scheduledmachines/finalizers"]
    verbs: ["update"]

  # CAPI Machine management
  - apiGroups: ["cluster.x-k8s.io"]
    resources: ["machines", "machines/status"]
    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]

  # Bootstrap provider resources (wildcard required — controller is provider-agnostic
  # and must support any CAPI bootstrap provider installed in the cluster)
  - apiGroups: ["bootstrap.cluster.x-k8s.io"]
    resources: ["*"]
    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]

  # Infrastructure provider resources (wildcard required — provider-agnostic)
  - apiGroups: ["infrastructure.cluster.x-k8s.io"]
    resources: ["*"]
    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]

  # k0smotron resources — explicitly enumerated (known provider)
  - apiGroups: ["k0smotron.io"]
    resources:
      - "k0sworkerconfigs"
      - "k0sworkerconfigs/status"
      - "remotemachines"
      - "remotemachines/status"
    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]

  # Events for recording reconciliation events (core v1 and events.k8s.io/v1)
  - apiGroups: [""]
    resources: ["events"]
    verbs: ["create", "patch"]
  - apiGroups: ["events.k8s.io"]
    resources: ["events"]
    verbs: ["create", "patch"]

  # Secrets for SSH keys and bootstrap data
  - apiGroups: [""]
    resources: ["secrets"]
    verbs: ["get", "list", "watch"]

  # Nodes for drain operations
  - apiGroups: [""]
    resources: ["nodes"]
    verbs: ["get", "list", "watch", "patch", "update"]

  # Pods for eviction during drain
  - apiGroups: [""]
    resources: ["pods"]
    verbs: ["get", "list", "watch", "delete"]
  - apiGroups: [""]
    resources: ["pods/eviction"]
    verbs: ["create"]

  # Leases for leader election (no delete needed for HA)
  - apiGroups: ["coordination.k8s.io"]
    resources: ["leases"]
    verbs: ["get", "create", "update", "patch"]