---
# This manifest installs the calico/node container, as well
# as the Calico CNI plugins and network config on
# each master and worker node in a Kubernetes cluster.
kind: DaemonSet
apiVersion: apps/v1
metadata:
  name: calico-node
  namespace: kube-system
  labels:
    k8s-app: calico-node
spec:
  selector:
    matchLabels:
      k8s-app: calico-node
  template:
    metadata:
      labels:
        k8s-app: calico-node
      annotations:
    spec:
      nodeSelector:
        kubernetes.io/os: linux
      priorityClassName: system-node-critical
      hostNetwork: true
      dnsPolicy: ClusterFirstWithHostNet
      serviceAccountName: calico-node
      tolerations:
      - operator: Exists
      # Minimize downtime during a rolling upgrade or deletion; tell Kubernetes to do a "force
      # deletion": https://kubernetes.io/docs/concepts/workloads/pods/pod/#termination-of-pods.
      terminationGracePeriodSeconds: 0
      initContainers:
        # This container performs upgrade from host-local IPAM to calico-ipam.
        # It can be deleted if this is a fresh installation, or if you have already
        # upgraded to use calico-ipam.
        - name: upgrade-ipam
          image: quay.io/calico/cni:v3.26.4
          imagePullPolicy: IfNotPresent
          command: ["/opt/cni/bin/calico-ipam", "-upgrade"]
          envFrom:
            - configMapRef:
                # Allow KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT to be overridden for eBPF mode.
                name: kubernetes-services-endpoint
                optional: true
          env:
            - name: KUBERNETES_NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            - name: CALICO_NETWORKING_BACKEND
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: calico_backend
          volumeMounts:
            - mountPath: /var/lib/cni/networks
              name: host-local-net-dir
            - mountPath: /host/opt/cni/bin
              name: cni-bin-dir
          securityContext:
            privileged: true
        # This container installs the Calico CNI binaries
        # and CNI network config file on each node.
        - name: install-cni
          image: quay.io/calico/cni:v3.26.4
          imagePullPolicy: IfNotPresent
          command: ["/opt/cni/bin/install"]
          envFrom:
          - configMapRef:
              # Allow KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT to be overridden for eBPF mode.
              name: kubernetes-services-endpoint
              optional: true
          env:
            # The CNI network config to install on each node.
            - name: CNI_NETWORK_CONFIG
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: cni_network_config
            # Name of the CNI config file to create.
            - name: CNI_CONF_NAME
              value: "10-calico.conflist"
            # Install CNI binaries
            - name: UPDATE_CNI_BINARIES
              value: "true"
            # Prevents the container from sleeping forever.
            - name: SLEEP
              value: "false"
            # Set the hostname based on the k8s node name.
            - name: KUBERNETES_NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
          volumeMounts:
            - mountPath: /host/etc/cni/net.d
              name: cni-net-dir
            - mountPath: /host/opt/cni/bin
              name: cni-bin-dir
          securityContext:
            privileged: true
        # Adds a Flex Volume Driver that creates a per-pod Unix Domain Socket to allow Dikastes
        # to communicate with Felix over the Policy Sync API.
        - name: flexvol-driver
          image: quay.io/calico/pod2daemon-flexvol:v3.26.4
          imagePullPolicy: IfNotPresent
          volumeMounts:
            - name: flexvol-driver-host
              mountPath: /host/driver
          securityContext:
            privileged: true
      containers:
        # Runs calico/node container on each Kubernetes node.  This
        # container programs network policy and routes on each
        # host.
        - name: calico-node
          image: quay.io/calico/node:v3.26.4
          imagePullPolicy: IfNotPresent
          envFrom:
            - configMapRef:
                # Allow KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT to be overridden for eBPF mode.
                name: kubernetes-services-endpoint
                optional: true
          env:
            # The location of the Calico etcd cluster.
            # Use Kubernetes API as the backing datastore.
            - name: DATASTORE_TYPE
              value: "kubernetes"
            # Wait for the datastore.
            - name: WAIT_FOR_DATASTORE
              value: "true"
            - name: FELIX_VXLANVNI
              value: "4096"
            - name: FELIX_VXLANPORT
              value: "4789"
            # Choose the backend to use.
            - name: CALICO_NETWORKING_BACKEND
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: calico_backend
            # Cluster type to identify the deployment type
            - name: CLUSTER_TYPE
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: cluster_type
            # Set noderef for node controller.
            - name: CALICO_K8S_NODE_REF
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            # Disable file logging so `kubectl logs` works.
            - name: CALICO_DISABLE_FILE_LOGGING
              value: "true"
            # Set Felix endpoint to host default action to ACCEPT.
            - name: FELIX_DEFAULTENDPOINTTOHOSTACTION
              value: "RETURN"
            - name: FELIX_HEALTHHOST
              value: "localhost"
            - name: FELIX_IPTABLESBACKEND
              value: "Auto"
            - name: FELIX_IPTABLESLOCKTIMEOUTSECS
              value: "10"
# should be set in etcd before deployment
#            # Configure the IP Pool from which Pod IPs will be chosen.
#            - name: CALICO_IPV4POOL_CIDR
#              value: "10.233.64.0/18"
            - name: CALICO_IPV4POOL_IPIP
              value: "Off"
            - name: FELIX_IPV6SUPPORT
              value: "False"
            # Set Felix logging to "info"
            - name: FELIX_LOGSEVERITYSCREEN
              value: "info"
            # Set Calico startup logging to "error"
            - name: CALICO_STARTUP_LOGLEVEL
              value: "error"
            # Enable or disable usage report
            - name: FELIX_USAGEREPORTINGENABLED
              value: "False"
            # Set MTU for tunnel device used if ipip is enabled
            - name: FELIX_CHAININSERTMODE
              value: "Insert"
            - name: FELIX_PROMETHEUSMETRICSENABLED
              value: "False"
            - name: FELIX_PROMETHEUSMETRICSPORT
              value: "9091"
            - name: FELIX_PROMETHEUSGOMETRICSENABLED
              value: "True"
            - name: FELIX_PROMETHEUSPROCESSMETRICSENABLED
              value: "True"
            - name: NODEIP
              valueFrom:
                fieldRef:
                  fieldPath: status.hostIP
            - name: IP_AUTODETECTION_METHOD
              value: "can-reach=$(NODEIP)"
            - name: IP
              value: "autodetect"
            - name: NODENAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            - name: FELIX_HEALTHENABLED
              value: "true"
            - name: FELIX_IGNORELOOSERPF
              value: "False"
            - name: CALICO_MANAGE_CNI
              value: "true"
          securityContext:
            privileged: true
          resources:
            limits:
              cpu: 300m
              memory: 500M
            requests:
              cpu: 150m
              memory: 64M
          lifecycle:
            preStop:
              exec:
                command:
                - /bin/calico-node
                - -shutdown
          livenessProbe:
            exec:
              command:
              - /bin/calico-node
              - -felix-live
            periodSeconds: 10
            initialDelaySeconds: 10
            timeoutSeconds: 10
            failureThreshold: 6
          readinessProbe:
            exec:
              command:
              - /bin/calico-node
              - -felix-ready
            periodSeconds: 10
            timeoutSeconds: 10
            failureThreshold: 6
          volumeMounts:
            - mountPath: /lib/modules
              name: lib-modules
              readOnly: true
            - mountPath: /var/run/calico
              name: var-run-calico
              readOnly: false
            - mountPath: /var/lib/calico
              name: var-lib-calico
              readOnly: false
            - name: xtables-lock
              mountPath: /run/xtables.lock
              readOnly: false
            # For maintaining CNI plugin API credentials.
            - mountPath: /host/etc/cni/net.d
              name: cni-net-dir
              readOnly: false
            - name: policysync
              mountPath: /var/run/nodeagent
            - name: cni-log-dir
              mountPath: /var/log/calico/cni
              readOnly: true
      volumes:
        # Used by calico/node.
        - name: lib-modules
          hostPath:
            path: /lib/modules
        - name: var-run-calico
          hostPath:
            path: /var/run/calico
        - name: var-lib-calico
          hostPath:
            path: /var/lib/calico
        # Used to install CNI.
        - name: cni-net-dir
          hostPath:
            path: /etc/cni/net.d
        - name: cni-bin-dir
          hostPath:
            path: /opt/cni/bin
        # Mount the global iptables lock file, used by calico/node
        - name: xtables-lock
          hostPath:
            path: /run/xtables.lock
            type: FileOrCreate
        # Mount in the directory for host-local IPAM allocations. This is
        # used when upgrading from host-local to calico-ipam, and can be removed
        # if not using the upgrade-ipam init container.
        - name: host-local-net-dir
          hostPath:
            path: /var/lib/cni/networks
        # Used to access CNI logs.
        - name: cni-log-dir
          hostPath:
            path: /var/log/calico/cni
        # Used to create per-pod Unix Domain Sockets
        - name: policysync
          hostPath:
            type: DirectoryOrCreate
            path: /var/run/nodeagent
        # Used to install Flex Volume Driver
        - name: flexvol-driver-host
          hostPath:
            type: DirectoryOrCreate
            path: "/usr/libexec/kubernetes/kubelet-plugins/volume/exec/nodeagent~uds"
  updateStrategy:
    rollingUpdate:
      maxUnavailable: 20%
    type: RollingUpdate