update
This commit is contained in:
havelight-ee
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# Source: calico/templates/calico-node.yaml
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# This manifest installs the canal container, as well
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# as the CNI plugins and network config on
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# each master and worker node in a Kubernetes cluster.
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kind: DaemonSet
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apiVersion: apps/v1
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metadata:
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name: canal
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namespace: kube-system
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labels:
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k8s-app: canal
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spec:
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selector:
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matchLabels:
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k8s-app: canal
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updateStrategy:
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type: RollingUpdate
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rollingUpdate:
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maxUnavailable: {{ serial | default('20%') }}
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template:
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metadata:
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labels:
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k8s-app: canal
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spec:
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nodeSelector:
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kubernetes.io/os: linux
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hostNetwork: true
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tolerations:
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# Make sure canal gets scheduled on all nodes.
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- effect: NoSchedule
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operator: Exists
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# Mark the pod as a critical add-on for rescheduling.
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- key: CriticalAddonsOnly
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operator: Exists
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- effect: NoExecute
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operator: Exists
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serviceAccountName: canal
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# Minimize downtime during a rolling upgrade or deletion; tell Kubernetes to do a "force
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# deletion": https://kubernetes.io/docs/concepts/workloads/pods/pod/#termination-of-pods.
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terminationGracePeriodSeconds: 0
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priorityClassName: system-node-critical
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initContainers:
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# This container installs the CNI binaries
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# and CNI network config file on each node.
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- name: install-cni
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image: {{ calico_cni_image_repo }}:{{ calico_cni_image_tag }}
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imagePullPolicy: {{ k8s_image_pull_policy }}
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command: ["/opt/cni/bin/install"]
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envFrom:
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- configMapRef:
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# Allow KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT to be overridden for eBPF mode.
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name: kubernetes-services-endpoint
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optional: true
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env:
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# Set the serviceaccount name to use for the Calico CNI plugin.
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# We use canal-node instead of calico-node when using flannel networking.
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- name: CALICO_CNI_SERVICE_ACCOUNT
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valueFrom:
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fieldRef:
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fieldPath: spec.serviceAccountName
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# Name of the CNI config file to create.
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- name: CNI_CONF_NAME
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value: "10-canal.conflist"
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# The CNI network config to install on each node.
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- name: CNI_NETWORK_CONFIG
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: cni_network_config
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# Set the hostname based on the k8s node name.
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- name: KUBERNETES_NODE_NAME
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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# The location of the etcd cluster.
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- name: ETCD_ENDPOINTS
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_endpoints
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# Location of the CA certificate for etcd.
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- name: ETCD_CA_CERT_FILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_ca
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# Location of the client key for etcd.
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- name: ETCD_KEY_FILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_key
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# Location of the client certificate for etcd.
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- name: ETCD_CERT_FILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_cert
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# CNI MTU Config variable
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- name: CNI_MTU
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: veth_mtu
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# Prevents the container from sleeping forever.
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- name: SLEEP
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value: "false"
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volumeMounts:
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- mountPath: /host/opt/cni/bin
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name: cni-bin-dir
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- mountPath: /host/etc/cni/net.d
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name: cni-net-dir
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- mountPath: /calico-secrets
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name: etcd-certs
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securityContext:
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privileged: true
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# This init container mounts the necessary filesystems needed by the BPF data plane
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# i.e. bpf at /sys/fs/bpf and cgroup2 at /run/calico/cgroup. Calico-node initialisation is executed
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# in best effort fashion, i.e. no failure for errors, to not disrupt pod creation in iptable mode.
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- name: "mount-bpffs"
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image: "{{ calico_node_image_repo }}:{{ calico_node_image_tag }}"
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imagePullPolicy: {{ k8s_image_pull_policy }}
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command: ["calico-node", "-init", "-best-effort"]
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volumeMounts:
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- mountPath: /sys/fs
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name: sys-fs
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# Bidirectional is required to ensure that the new mount we make at /sys/fs/bpf propagates to the host
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# so that it outlives the init container.
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mountPropagation: Bidirectional
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- mountPath: /var/run/calico
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name: var-run-calico
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# Bidirectional is required to ensure that the new mount we make at /run/calico/cgroup propagates to the host
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# so that it outlives the init container.
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mountPropagation: Bidirectional
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# Mount /proc/ from host which usually is an init program at /nodeproc. It's needed by mountns binary,
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# executed by calico-node, to mount root cgroup2 fs at /run/calico/cgroup to attach CTLB programs correctly.
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- mountPath: /nodeproc
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name: nodeproc
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readOnly: true
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securityContext:
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privileged: true
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containers:
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# Runs canal container on each Kubernetes node. This
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# container programs network policy and routes on each
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# host.
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- name: calico-node
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image: "{{ calico_node_image_repo }}:{{ calico_node_image_tag }}"
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imagePullPolicy: {{ k8s_image_pull_policy }}
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envFrom:
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- configMapRef:
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# Allow KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT to be overridden for eBPF mode.
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name: kubernetes-services-endpoint
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optional: true
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env:
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# The location of the etcd cluster.
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- name: ETCD_ENDPOINTS
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_endpoints
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# Location of the CA certificate for etcd.
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- name: ETCD_CA_CERT_FILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_ca
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# Location of the client key for etcd.
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- name: ETCD_KEY_FILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_key
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# Location of the client certificate for etcd.
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- name: ETCD_CERT_FILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_cert
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# Set noderef for node controller.
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- name: CALICO_K8S_NODE_REF
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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# Set the serviceaccount name to use for the Calico CNI plugin.
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# We use canal-node instead of calico-node when using flannel networking.
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- name: CALICO_CNI_SERVICE_ACCOUNT
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valueFrom:
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fieldRef:
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fieldPath: spec.serviceAccountName
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# Don't enable BGP.
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- name: CALICO_NETWORKING_BACKEND
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value: "none"
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# Cluster type to identify the deployment type
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- name: CLUSTER_TYPE
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value: "k8s,canal"
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# Period, in seconds, at which felix re-applies all iptables state
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- name: FELIX_IPTABLESREFRESHINTERVAL
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value: "60"
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# No IP address needed.
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- name: IP
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value: ""
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# The default IPv4 pool to create on startup if none exists. Pod IPs will be
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# chosen from this range. Changing this value after installation will have
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# no effect. This should fall within `--cluster-cidr`.
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# - name: CALICO_IPV4POOL_CIDR
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# value: "192.168.0.0/16"
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# Disable file logging so `kubectl logs` works.
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- name: CALICO_DISABLE_FILE_LOGGING
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value: "true"
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# Set Felix endpoint to host default action to ACCEPT.
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- name: FELIX_DEFAULTENDPOINTTOHOSTACTION
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value: "ACCEPT"
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# Disable IPv6 on Kubernetes.
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- name: FELIX_IPV6SUPPORT
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value: "false"
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- name: FELIX_HEALTHENABLED
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value: "true"
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securityContext:
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privileged: true
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resources:
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limits:
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cpu: {{ calico_node_cpu_limit }}
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memory: {{ calico_node_memory_limit }}
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requests:
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cpu: {{ calico_node_cpu_requests }}
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memory: {{ calico_node_memory_requests }}
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lifecycle:
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preStop:
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exec:
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command:
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- /bin/calico-node
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- -shutdown
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livenessProbe:
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exec:
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command:
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- /bin/calico-node
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- -felix-live
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periodSeconds: 10
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initialDelaySeconds: 10
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failureThreshold: 6
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timeoutSeconds: 10
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readinessProbe:
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httpGet:
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path: /readiness
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port: 9099
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host: localhost
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periodSeconds: 10
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timeoutSeconds: 10
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volumeMounts:
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# For maintaining CNI plugin API credentials.
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- mountPath: /host/etc/cni/net.d
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name: cni-net-dir
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readOnly: false
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- mountPath: /lib/modules
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name: lib-modules
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readOnly: true
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- mountPath: /run/xtables.lock
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name: xtables-lock
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readOnly: false
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- mountPath: /var/run/calico
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name: var-run-calico
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readOnly: false
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- mountPath: /var/lib/calico
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name: var-lib-calico
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readOnly: false
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- mountPath: /calico-secrets
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name: etcd-certs
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- name: policysync
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mountPath: /var/run/nodeagent
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# For eBPF mode, we need to be able to mount the BPF filesystem at /sys/fs/bpf so we mount in the
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# parent directory.
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- name: bpffs
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mountPath: /sys/fs/bpf
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- name: cni-log-dir
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mountPath: /var/log/calico/cni
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readOnly: true
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# Runs the flannel daemon to enable vxlan networking between
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# container hosts.
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- name: flannel
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image: "{{ flannel_image_repo }}:{{ flannel_image_tag }}"
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command: [ "/opt/bin/flanneld", "--ip-masq", "--kube-subnet-mgr"]
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imagePullPolicy: {{ k8s_image_pull_policy }}
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env:
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# The location of the etcd cluster.
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- name: FLANNELD_ETCD_ENDPOINTS
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_endpoints
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# Location of the CA certificate for etcd.
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- name: ETCD_CA_CERT_FILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_ca
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# Location of the client key for etcd.
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- name: ETCD_KEY_FILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_key
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# Location of the client certificate for etcd.
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- name: ETCD_CERT_FILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_cert
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# Location of the CA certificate for etcd.
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- name: FLANNELD_ETCD_CAFILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_ca
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# Location of the client key for etcd.
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- name: FLANNELD_ETCD_KEYFILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_key
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# Location of the client certificate for etcd.
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- name: FLANNELD_ETCD_CERTFILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_cert
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# The interface flannel should run on.
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- name: FLANNELD_IFACE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: canal_iface
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# Perform masquerade on traffic leaving the pod cidr.
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- name: FLANNELD_IP_MASQ
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: masquerade
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# Write the subnet.env file to the mounted directory.
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- name: FLANNELD_SUBNET_FILE
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value: "/run/flannel/subnet.env"
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- name: POD_NAME
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valueFrom:
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fieldRef:
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fieldPath: metadata.name
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- name: POD_NAMESPACE
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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securityContext:
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privileged: true
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volumeMounts:
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- mountPath: /etc/resolv.conf
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name: resolv
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- mountPath: /run/flannel
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name: run-flannel
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- mountPath: /calico-secrets
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name: etcd-certs
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- name: flannel-cfg
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mountPath: /etc/kube-flannel/
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volumes:
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- name: flannel-cfg
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configMap:
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name: canal-config
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# Used by canal-node.
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- name: lib-modules
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hostPath:
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path: /lib/modules
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- name: var-run-calico
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hostPath:
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path: /var/run/calico
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- name: var-lib-calico
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hostPath:
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path: /var/lib/calico
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- name: xtables-lock
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hostPath:
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path: /run/xtables.lock
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type: FileOrCreate
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- name: sys-fs
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hostPath:
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path: /sys/fs/
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type: DirectoryOrCreate
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- name: bpffs
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hostPath:
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path: /sys/fs/bpf
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type: Directory
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# mount /proc at /nodeproc to be used by mount-bpffs initContainer to mount root cgroup2 fs.
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- name: nodeproc
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hostPath:
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path: /proc
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# Used by flannel.
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- name: run-flannel
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hostPath:
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path: /run/flannel
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- name: resolv
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hostPath:
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path: /etc/resolv.conf
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# Used to install CNI.
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- name: cni-bin-dir
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hostPath:
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path: /opt/cni/bin
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- name: cni-net-dir
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hostPath:
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path: /etc/cni/net.d
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# Used to access CNI logs.
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- name: cni-log-dir
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hostPath:
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path: /var/log/calico/cni
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# Mount in the etcd TLS secrets with mode 400.
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# See https://kubernetes.io/docs/concepts/configuration/secret/
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- name: etcd-certs
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secret:
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secretName: calico-etcd-secrets
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defaultMode: 0400
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# Used to create per-pod Unix Domain Sockets
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- name: policysync
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hostPath:
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type: DirectoryOrCreate
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path: /var/run/nodeagent
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||||
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