---
# Source: cilium/charts/cilium/templates/cilium-operator/deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: cilium-operator
  namespace: kube-system
  labels:
    io.cilium/app: operator
    name: cilium-operator
    app.kubernetes.io/part-of: cilium
    app.kubernetes.io/name: cilium-operator
spec:
  # See docs on ServerCapabilities.LeasesResourceLock in file pkg/k8s/version/version.go
  # for more details.
  replicas: 2
  selector:
    matchLabels:
      io.cilium/app: operator
      name: cilium-operator
  # ensure operator update on single node k8s clusters, by using rolling update with maxUnavailable=100% in case
  # of one replica and no user configured Recreate strategy.
  # otherwise an update might get stuck due to the default maxUnavailable=50% in combination with the
  # podAntiAffinity which prevents deployments of multiple operator replicas on the same node.
  strategy:
    rollingUpdate:
      maxSurge: 25%
      maxUnavailable: 50%
    type: RollingUpdate
  template:
    metadata:
      annotations:
        # ensure pods roll when configmap updates
        cilium.io/cilium-configmap-checksum: "31ad7748e0aefe75b6436d96c8c85754e0b44e68e6012fa188bc5bcd66085828"
      labels:
        io.cilium/app: operator
        name: cilium-operator
        app.kubernetes.io/part-of: cilium
        app.kubernetes.io/name: cilium-operator
    spec:
      securityContext:
        seccompProfile:
          type: RuntimeDefault
      containers:
        - name: cilium-operator
          image: "quay.io/cilium/operator-generic:v1.18.4@sha256:1b22b9ff28affdf574378a70dade4ef835b00b080c2ee2418530809dd62c3012"
          imagePullPolicy: IfNotPresent
          command:
            - cilium-operator-generic
          args:
            - --config-dir=/tmp/cilium/config-map
            - --debug=$(CILIUM_DEBUG)
          env:
            - name: K8S_NODE_NAME
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: spec.nodeName
            - name: CILIUM_K8S_NAMESPACE
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: metadata.namespace
            - name: CILIUM_DEBUG
              valueFrom:
                configMapKeyRef:
                  key: debug
                  name: cilium-config
                  optional: true
            - name: KUBERNETES_SERVICE_HOST
              value: "localhost"
            - name: KUBERNETES_SERVICE_PORT
              value: "7445"
          ports:
            - name: prometheus
              containerPort: 9963
              hostPort: 9963
              protocol: TCP
          livenessProbe:
            httpGet:
              host: "127.0.0.1"
              path: /healthz
              port: 9234
              scheme: HTTP
            initialDelaySeconds: 60
            periodSeconds: 10
            timeoutSeconds: 3
          readinessProbe:
            httpGet:
              host: "127.0.0.1"
              path: /healthz
              port: 9234
              scheme: HTTP
            initialDelaySeconds: 0
            periodSeconds: 5
            timeoutSeconds: 3
            failureThreshold: 5
          volumeMounts:
            - name: cilium-config-path
              mountPath: /tmp/cilium/config-map
              readOnly: true
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop:
                - ALL
          terminationMessagePolicy: FallbackToLogsOnError
      hostNetwork: true
      restartPolicy: Always
      priorityClassName: system-cluster-critical
      serviceAccountName: "cilium-operator"
      automountServiceAccountToken: true
      # In HA mode, cilium-operator pods must not be scheduled on the same
      # node as they will clash with each other.
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchLabels:
                  io.cilium/app: operator
              topologyKey: kubernetes.io/hostname
      nodeSelector:
        kubernetes.io/os: linux
      tolerations:
        - key: node-role.kubernetes.io/control-plane
          operator: Exists
        - key: node-role.kubernetes.io/master
          operator: Exists
        - key: node.kubernetes.io/not-ready
          operator: Exists
        - key: node.cloudprovider.kubernetes.io/uninitialized
          operator: Exists
        - key: node.cilium.io/agent-not-ready
          operator: Exists
      volumes:
        # To read the configuration from the config map
        - name: cilium-config-path
          configMap:
            name: cilium-config