00 Kubernetes In Action 中的重要图
2021-06-19 本文已影响0人
逸章
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----------------------------------下面是node的配置和加入到集群中的方法（CentorOS）
[root@yay168 ~]# cat > /etc/yum.repos.d/kubernetes.repo << EOF
> [kubernetes]
> name=Kubernetes
> baseurl=https://art.si**********o.com/artifactory/public-kubernetes/yum/repos/kubernetes-el7-x86_64/
> enabled=1
> gpgcheck=0
> repo_gpgcheck=0
> gpgkey=https://art.si**********io.com/artifactory/public-kubernetes/yum/doc/yum-key.gpg https://art.si**********io.com/artifactory/public-kubernetes/yum/doc/rpm-package-key.gpg
> EOF
[root@yay168 ~]# yum clean all
[root@yay168 ~]# yum makecache fast
[root@yay168 ~]# yum install -y kubelet-1.20.4 kubeadm-1.20.4 kubectl-1.20.4
[root@yay168 ~]# setenforce 0
setenforce: SELinux is disabled
[root@yay168 ~]# systemctl stop firewalld
[root@yay168 ~]# swapoff -a
[root@yay168 ~]# sed -i 's/enforcing/disabled/' /etc/selinux/config
[root@yay168 ~]# systemctl disable firewalld
[root@yay168 ~]# sed -ri 's/.*swap.*/#&/' /etc/fstab
[root@yay168 ~]# echo "1" > /proc/sys/net/ipv4/ip_forward
[root@yay168 ~]# systemctl enable kubelet
[root@yay168 ~]# cat > /etc/sysctl.d/k8s.conf << EOF
> net.bridge.bridge-nf-call-ip6tables = 1
> net.bridge.bridge-nf-call-iptables = 1
> net.ipv4.ip_forward = 1
> vm.swappiness = 0
> EOF
[root@yay168 ~]# modprobe br_netfilter
[root@yay168 ~]# sysctl --system
[root@yay168 ~]# vim /etc/docker/daemon.json
[root@yay168 ~]# systemctl enable kubelet
[root@yay168 ~]# systemctl start kubelet
我试过，/etc/systemd/system/kubelet.service.d/10-kubeadm.conf不要配置，把这个文件删除掉
[root@yay168 ~]# vi /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
[root@yay168 ~]# cat /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
[root@yay168 ~]# rm /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
rm: remove regular empty file ‘/etc/systemd/system/kubelet.service.d/10-kubeadm.conf’? y
[root@yay168 ~]# rm -f /etc/kubernetes/kubelet.conf ; rm -f /etc/kubernetes/pki/ca.crt ; systemctl restart kubelet
...
[root@yay168 ~]# systemctl daemon-reload
[root@yay168 ~]# kubeadm join 10.45.186.166:6443 --token 9unw7z.9blv03zydlfhv4qa --discovery-token-ca-cert-hash sha256:5fd24069dfc2314f912262b0f95e8b9da769238e92e4efe6aa6c6cd74407f08d
......
[kubelet-start] Waiting for the kubelet to perform the TLS Bootstrap...
This node has joined the cluster:
* Certificate signing request was sent to apiserver and a response was received.
* The Kubelet was informed of the new secure connection details.
Run 'kubectl get nodes' on the control-plane to see this node join the cluster.
[root@yay168 ~]#
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