k8s高可用集群6安装跨节点通信插件Calico

k8s高可用集群6安装跨节点通信插件Calico

在master01上查看是否又1.23.X

[root@k8s-master01 ~/k8s-ha-install/calico]#git branch -a* manual-installation-v1.23.x remotes/origin/manual-installation-v1.22.x remotes/origin/manual-installation-v1.23.x remotes/origin/master

查看new.yaml中的pod网段

[root@k8s-master01 ~]#cat /root/new.yamlkubernetesVersion: v1.23.4networking: dnsDomain: cluster.local podSubnet: 172.16.0.0/12 #pod网段 serviceSubnet: 192.168.0.0/16#可通过如下命令查看

[root@k8s-master01 ~]#cat /etc/kubernetes/manifests/kube-controller-manager.yaml | grep cluster-cidr= - --cluster-cidr=172.16.0.0/12

只在master01执行：

[root@k8s-master01 ~]#cd /root/k8s-ha-install && git checkout manual-installation-v1.23.x && cd calico/

[root@k8s-master01 ~/k8s-ha-install/calico]#lscalico-etcd.yaml calico.yaml

修改pod网段并执行创建

[root@k8s-master01 ~]#cd /root/k8s-ha-install/calico[root@k8s-master01 ~/k8s-ha-install/calico]#POD_SUBNET=`cat /etc/kubernetes/manifests/kube-controller-manager.yaml | grep cluster-cidr= | awk -F= '{print $NF}'`[root@k8s-master01 ~/k8s-ha-install/calico]#echo $POD_SUBNET172.16.0.0/12[root@k8s-master01 ~/k8s-ha-install/calico]#sed -i "s#POD_CIDR#${POD_SUBNET}#g" calico.yaml[root@k8s-master01 ~/k8s-ha-install/calico]#kubectl apply -f calico.yaml#如果不愿意执行命令修改，也可以手动修改，vim calico.yaml后搜索POD_CIDR

执行创建

[root@k8s-master01 ~/k8s-ha-install/calico]#kubectl apply -f calico.yaml

查看容器和节点状态

[root@k8s-master01 ~/k8s-ha-install/calico]#kubectl get

查看节点状态

[root@k8s-master01 ~/k8s-ha-install/calico]#kubectl get nodeNAME STATUS ROLES AGE VERSIONk8s-master01 Ready control-plane,master 174m v1.23.4k8s-master02 Ready control-plane,master 123m v1.23.4k8s-master03 Ready 34m v1.23.4k8s-node1 Ready 91m v1.23.4k8s-node2 Ready 91m v1.23.4[root@k8s-master01 ~/k8s-ha-install/calico]#

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