apps/cilium/cilium-preflight.yaml

---
# Source: cilium/templates/cilium-preflight/serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
  name: "cilium-pre-flight"
  namespace: kube-system
---
# Source: cilium/templates/cilium-preflight/clusterrole.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: cilium-pre-flight
  labels:
    app.kubernetes.io/part-of: cilium
rules:
- apiGroups:
  - networking.k8s.io
  resources:
  - networkpolicies
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - discovery.k8s.io
  resources:
  - endpointslices
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - ""
  resources:
  - namespaces
  - services
  - pods
  - endpoints
  - nodes
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - apiextensions.k8s.io
  resources:
  - customresourcedefinitions
  verbs:
  - list
  - watch
  # This is used when validating policies in preflight. This will need to stay
  # until we figure out how to avoid "get" inside the preflight, and then
  # should be removed ideally.
  - get
- apiGroups:
  - ""
  resources:
  - secrets
  verbs:
  - get
- apiGroups:
  - cilium.io
  resources:
  - ciliumloadbalancerippools
  - ciliumbgppeeringpolicies
  - ciliumbgpnodeconfigs
  - ciliumbgpadvertisements
  - ciliumbgppeerconfigs
  - ciliumclusterwideenvoyconfigs
  - ciliumclusterwidenetworkpolicies
  - ciliumegressgatewaypolicies
  - ciliumendpoints
  - ciliumendpointslices
  - ciliumenvoyconfigs
  - ciliumidentities
  - ciliumlocalredirectpolicies
  - ciliumnetworkpolicies
  - ciliumnodes
  - ciliumnodeconfigs
  - ciliumcidrgroups
  - ciliuml2announcementpolicies
  - ciliumpodippools
  verbs:
  - list
  - watch
- apiGroups:
  - cilium.io
  resources:
  - ciliumidentities
  - ciliumendpoints
  - ciliumnodes
  verbs:
  - create
- apiGroups:
  - cilium.io
  # To synchronize garbage collection of such resources
  resources:
  - ciliumidentities
  verbs:
  - update
- apiGroups:
  - cilium.io
  resources:
  - ciliumendpoints
  verbs:
  - delete
  - get
- apiGroups:
  - cilium.io
  resources:
  - ciliumnodes
  - ciliumnodes/status
  verbs:
  - get
  - update
- apiGroups:
  - cilium.io
  resources:
  - ciliumendpoints/status
  - ciliumendpoints
  - ciliuml2announcementpolicies/status
  - ciliumbgpnodeconfigs/status
  verbs:
  - patch
---
# Source: cilium/templates/cilium-preflight/clusterrolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: cilium-pre-flight
  labels:
    app.kubernetes.io/part-of: cilium
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cilium-pre-flight
subjects:
- kind: ServiceAccount
  name: "cilium-pre-flight" 
  namespace: kube-system
---
# Source: cilium/templates/cilium-preflight/daemonset.yaml
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: cilium-pre-flight-check
  namespace: kube-system
spec:
  selector:
    matchLabels:
      k8s-app: cilium-pre-flight-check
      kubernetes.io/cluster-service: "true"
  template:
    metadata:
      labels:
        app.kubernetes.io/part-of: cilium
        k8s-app: cilium-pre-flight-check
        app.kubernetes.io/name: cilium-pre-flight-check
        kubernetes.io/cluster-service: "true"
    spec:
      affinity:
        podAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchLabels:
                k8s-app: cilium
            topologyKey: kubernetes.io/hostname
      initContainers:
        - name: clean-cilium-state
          image: "quay.io/cilium/cilium:v1.17.8@sha256:6d7ea72ed311eeca4c75a1f17617a3d596fb6038d30d00799090679f82a01636"
          imagePullPolicy: IfNotPresent
          command: ["/bin/echo"]
          args:
          - "hello"
          terminationMessagePolicy: FallbackToLogsOnError
      containers:
        - name: cilium-pre-flight-check
          image: "quay.io/cilium/cilium:v1.17.8@sha256:6d7ea72ed311eeca4c75a1f17617a3d596fb6038d30d00799090679f82a01636"
          imagePullPolicy: IfNotPresent
          command: ["/bin/sh"]
          args:
          - -c
          - "touch /tmp/ready; sleep 1h"
          livenessProbe:
            exec:
              command:
              - cat
              - /tmp/ready
            initialDelaySeconds: 5
            periodSeconds: 5
          readinessProbe:
            exec:
              command:
              - cat
              - /tmp/ready
            initialDelaySeconds: 5
            periodSeconds: 5
          env:
          - name: K8S_NODE_NAME
            valueFrom:
              fieldRef:
                apiVersion: v1
                fieldPath: spec.nodeName
          volumeMounts:
          - name: cilium-run
            mountPath: /var/run/cilium
          terminationMessagePolicy: FallbackToLogsOnError
      hostNetwork: true
      dnsPolicy: ClusterFirstWithHostNet
      restartPolicy: Always
      priorityClassName: system-node-critical
      serviceAccountName: "cilium-pre-flight"
      automountServiceAccountToken: true
      terminationGracePeriodSeconds: 1
      nodeSelector:
        kubernetes.io/os: linux
      tolerations:
        - operator: Exists
      volumes:
        # To keep state between restarts / upgrades
      - name: cilium-run
        hostPath:
          path: /var/run/cilium
          type: DirectoryOrCreate
      - name: bpf-maps
        hostPath:
          path: /sys/fs/bpf
          type: DirectoryOrCreate
---
# Source: cilium/templates/cilium-preflight/deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: cilium-pre-flight-check
  namespace: kube-system
  labels:
    app.kubernetes.io/part-of: cilium
    app.kubernetes.io/name: cilium-pre-flight-check    
spec:
  selector:
    matchLabels:
      k8s-app: cilium-pre-flight-check-deployment
      kubernetes.io/cluster-service: "true"
  template:
    metadata:
      labels:
        app.kubernetes.io/part-of: cilium
        k8s-app: cilium-pre-flight-check-deployment
        kubernetes.io/cluster-service: "true"
        app.kubernetes.io/name: cilium-pre-flight-check
    spec:
      containers:
        - name: cnp-validator
          image: "quay.io/cilium/cilium:v1.17.8@sha256:6d7ea72ed311eeca4c75a1f17617a3d596fb6038d30d00799090679f82a01636"
          imagePullPolicy: IfNotPresent
          command: ["/bin/sh"]
          args:
          - -ec
          - |
            cilium-dbg preflight validate-cnp;
            touch /tmp/ready-validate-cnp;
            sleep 1h;
          readinessProbe:
            exec:
              command:
              - cat
              - /tmp/ready-validate-cnp
            initialDelaySeconds: 5
            periodSeconds: 5
          env:
          - name: KUBERNETES_SERVICE_HOST
            value: "localhost"
          - name: KUBERNETES_SERVICE_PORT
            value: "7445"
          terminationMessagePolicy: FallbackToLogsOnError
      hostNetwork: true
      restartPolicy: Always
      priorityClassName: system-cluster-critical
      serviceAccountName: "cilium-pre-flight"
      automountServiceAccountToken: true
      terminationGracePeriodSeconds: 1
      affinity:
        podAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchLabels:
                k8s-app: cilium
            topologyKey: kubernetes.io/hostname
      nodeSelector:
        kubernetes.io/os: linux
      tolerations:
        - operator: Exists