homelab/k8s/core/system-upgrade/system-upgrade-controller.yaml

apiVersion: v1
kind: Namespace
metadata:
  labels:
    pod-security.kubernetes.io/enforce: privileged
  name: system-upgrade
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: system-upgrade
  namespace: system-upgrade
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: system-upgrade-controller
  namespace: system-upgrade
rules:
- apiGroups:
  - batch
  resources:
  - jobs
  verbs:
  - create
  - delete
  - deletecollection
  - patch
  - update
  - get
  - list
  - watch
- apiGroups:
  - ""
  resources:
  - secrets
  verbs:
  - get
  - list
  - watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: system-upgrade-controller
rules:
- apiGroups:
  - batch
  resources:
  - jobs
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - apiextensions.k8s.io
  resources:
  - customresourcedefinitions
  verbs:
  - get
  - list
  - watch
  - create
  - patch
  - update
- apiGroups:
  - ""
  resources:
  - namespaces
  - nodes
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - ""
  resources:
  - nodes
  verbs:
  - update
- apiGroups:
  - ""
  resources:
  - events
  verbs:
  - get
  - create
  - patch
  - update
- apiGroups:
  - coordination.k8s.io
  resources:
  - leases
  verbs:
  - create
- apiGroups:
  - coordination.k8s.io
  resourceNames:
  - system-upgrade-controller
  resources:
  - leases
  verbs:
  - get
  - update
- apiGroups:
  - upgrade.cattle.io
  resources:
  - plans
  - plans/status
  verbs:
  - get
  - list
  - watch
  - create
  - patch
  - update
  - delete
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: system-upgrade-controller-drainer
rules:
- apiGroups:
  - ""
  resources:
  - pods/eviction
  verbs:
  - create
- apiGroups:
  - ""
  resources:
  - pods
  verbs:
  - get
  - list
  - delete
- apiGroups:
  - ""
  resources:
  - nodes
  verbs:
  - get
  - patch
- apiGroups:
  - apps
  resources:
  - statefulsets
  - daemonsets
  - replicasets
  verbs:
  - get
  - list
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: system-upgrade
  namespace: system-upgrade
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: system-upgrade-controller
subjects:
- kind: ServiceAccount
  name: system-upgrade
  namespace: system-upgrade
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: system-upgrade
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: system-upgrade-controller
subjects:
- kind: ServiceAccount
  name: system-upgrade
  namespace: system-upgrade
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: system-upgrade-drainer
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: system-upgrade-controller-drainer
subjects:
- kind: ServiceAccount
  name: system-upgrade
  namespace: system-upgrade
---
apiVersion: v1
data:
  SYSTEM_UPGRADE_CONTROLLER_DEBUG: "false"
  SYSTEM_UPGRADE_CONTROLLER_LEADER_ELECT: "true"
  SYSTEM_UPGRADE_CONTROLLER_THREADS: "2"
  SYSTEM_UPGRADE_JOB_ACTIVE_DEADLINE_SECONDS: "900"
  SYSTEM_UPGRADE_JOB_BACKOFF_LIMIT: "99"
  SYSTEM_UPGRADE_JOB_IMAGE_PULL_POLICY: Always
  SYSTEM_UPGRADE_JOB_KUBECTL_IMAGE: rancher/kubectl:v1.30.3
  SYSTEM_UPGRADE_JOB_PRIVILEGED: "true"
  SYSTEM_UPGRADE_JOB_TTL_SECONDS_AFTER_FINISH: "900"
  SYSTEM_UPGRADE_PLAN_POLLING_INTERVAL: 15m
kind: ConfigMap
metadata:
  name: default-controller-env
  namespace: system-upgrade
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: system-upgrade-controller
  namespace: system-upgrade
spec:
  selector:
    matchLabels:
      upgrade.cattle.io/controller: system-upgrade-controller
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app.kubernetes.io/component: controller
        app.kubernetes.io/name: system-upgrade-controller
        upgrade.cattle.io/controller: system-upgrade-controller
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: node-role.kubernetes.io/control-plane
                operator: Exists
              - key: kubernetes.io/os
                operator: In
                values:
                - linux
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: app.kubernetes.io/name
                operator: In
                values:
                - system-upgrade-controller
            topologyKey: kubernetes.io/hostname
      containers:
      - env:
        - name: SYSTEM_UPGRADE_CONTROLLER_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.labels['upgrade.cattle.io/controller']
        - name: SYSTEM_UPGRADE_CONTROLLER_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        - name: SYSTEM_UPGRADE_CONTROLLER_NODE_NAME
          valueFrom:
            fieldRef:
              fieldPath: spec.nodeName
        envFrom:
        - configMapRef:
            name: default-controller-env
        image: rancher/system-upgrade-controller:v0.15.2
        imagePullPolicy: IfNotPresent
        name: system-upgrade-controller
        securityContext:
          allowPrivilegeEscalation: false
          capabilities:
            drop:
            - ALL
          runAsGroup: 65534
          runAsNonRoot: true
          runAsUser: 65534
          seccompProfile:
            type: RuntimeDefault
        volumeMounts:
        - mountPath: /etc/ssl
          name: etc-ssl
          readOnly: true
        - mountPath: /etc/pki
          name: etc-pki
          readOnly: true
        - mountPath: /etc/ca-certificates
          name: etc-ca-certificates
          readOnly: true
        - mountPath: /tmp
          name: tmp
      serviceAccountName: system-upgrade
      tolerations:
      - key: CriticalAddonsOnly
        operator: Exists
      - effect: NoSchedule
        key: node-role.kubernetes.io/master
        operator: Exists
      - effect: NoSchedule
        key: node-role.kubernetes.io/controlplane
        operator: Exists
      - effect: NoSchedule
        key: node-role.kubernetes.io/control-plane
        operator: Exists
      - effect: NoExecute
        key: node-role.kubernetes.io/etcd
        operator: Exists
      volumes:
      - hostPath:
          path: /etc/ssl
          type: DirectoryOrCreate
        name: etc-ssl
      - hostPath:
          path: /etc/pki
          type: DirectoryOrCreate
        name: etc-pki
      - hostPath:
          path: /etc/ca-certificates
          type: DirectoryOrCreate
        name: etc-ca-certificates
      - emptyDir: {}
        name: tmp