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Add RBAC support for canal (#1604)
Refactored how rbac_enabled is set Added RBAC to ubuntu-canal-ha CI job Added rbac for calico policy controller
This commit is contained in:
Matthew Mosesohn
194
roles/network_plugin/canal/templates/canal-node.yaml.j2
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194
roles/network_plugin/canal/templates/canal-node.yaml.j2
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---
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kind: DaemonSet
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apiVersion: extensions/v1beta1
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metadata:
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name: canal-node
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namespace: {{ system_namespace }}
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labels:
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k8s-app: canal-node
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spec:
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selector:
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matchLabels:
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k8s-app: canal-node
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template:
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metadata:
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annotations:
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scheduler.alpha.kubernetes.io/critical-pod: ''
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scheduler.alpha.kubernetes.io/tolerations: '[{"key":"CriticalAddonsOnly", "operator":"Exists"}]'
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labels:
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k8s-app: canal-node
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spec:
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hostNetwork: true
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{% if rbac_enabled %}
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serviceAccountName: canal
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{% endif %}
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tolerations:
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- effect: NoSchedule
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operator: Exists
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volumes:
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# Used by calico/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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# 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 by flannel daemon.
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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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- name: "canal-certs"
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hostPath:
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path: "{{ canal_cert_dir }}"
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containers:
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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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imagePullPolicy: {{ k8s_image_pull_policy }}
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resources:
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limits:
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cpu: {{ flannel_cpu_limit }}
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memory: {{ flannel_memory_limit }}
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requests:
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cpu: {{ flannel_cpu_requests }}
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memory: {{ flannel_memory_requests }}
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env:
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# Cluster name
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- name: CLUSTER_NAME
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: cluster_name
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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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# 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: flanneld_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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# Set etcd-prefix
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- name: DOCKER_OPT_ETCD_PREFIX
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value: "-etcd-prefix=/$(CLUSTER_NAME)/network"
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# Write the subnet.env file to the mounted directory.
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- name: FLANNELD_SUBNET_FILE
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value: "/run/flannel/subnet.env"
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# Etcd SSL vars
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- name: ETCD_CA_CERT_FILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_cafile
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- name: ETCD_CERT_FILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_certfile
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- name: ETCD_KEY_FILE
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valueFrom:
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configMapKeyRef:
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name: canal-config
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key: etcd_keyfile
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command:
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- "/bin/sh"
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- "-c"
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- "/opt/bin/flanneld -etcd-prefix /$(CLUSTER_NAME)/network -etcd-cafile $(ETCD_CA_CERT_FILE) -etcd-certfile $(ETCD_CERT_FILE) -etcd-keyfile $(ETCD_KEY_FILE)"
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ports:
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- hostPort: 10253
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containerPort: 10253
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securityContext:
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privileged: true
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volumeMounts:
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- name: "resolv"
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mountPath: "/etc/resolv.conf"
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- name: "run-flannel"
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mountPath: "/run/flannel"
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- name: "canal-certs"
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mountPath: "{{ canal_cert_dir }}"
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readOnly: true
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# Runs calico/node container on each Kubernetes node. This
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# container programs network policy and local 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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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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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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# Disable Calico BGP. Calico is simply enforcing policy.
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- name: CALICO_NETWORKING
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value: "false"
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# Cluster type to identify the deployment type
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- name: CLUSTER_TYPE
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value: "kubespray,canal"
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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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# Etcd SSL vars
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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_cafile
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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_certfile
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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_keyfile
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- name: NODENAME
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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securityContext:
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privileged: true
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volumeMounts:
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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: /var/run/calico
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name: var-run-calico
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readOnly: false
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- name: "canal-certs"
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mountPath: "{{ canal_cert_dir }}"
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readOnly: true
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updateStrategy:
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rollingUpdate:
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maxUnavailable: 1
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type: RollingUpdate
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