Kubernetes多master部署(7)---安装node

运行node组件

首先我们需要在master上面生成一个角色用于node上证书绑定认证
在master上面操作(65)
创建认证用户

kubectl create clusterrolebinding kubelet-bootstrap --clusterrole=system:node-bootstrapper --user=kubelet-bootstrap

将在master上面生成的 bootstrap.kubeconfig ,kube-proxy.kubeconfig文件传到master和node节点上面去

scp -P 10022 jyapp@10.50.182.65:/opt/kubernetes/cfg/*.kubeconfig  .

在node上操作(10.50.182.66)
将我们需要的文件(kubelet ,kube-proxy)拿出来,文件都在我们下载的二进制包中,其中*.sh为我们自定义的脚本

[root@mail node_pkg]# ls
kubelet kubelet.sh kube-proxy proxy.sh
chmod +x *.sh

mv kubelet kube-proxy /opt/kubernetes/bin/
chmod +x /opt/kubernetes/bin/*

echo "export PATH=$PATH:/opt/kubernetes/bin" >> /etc/profile

安装kubelet
编辑安装脚本:

[root@mail node_pkg]# cat kubelet.sh

#!/bin/bash

NODE_ADDRESS=${1:-"10.50.182.66"}
DNS_SERVER_IP=${2:-"10.10.10.2"}

cat <<EOF >/opt/kubernetes/cfg/kubelet

KUBELET_OPTS="--logtostderr=true \\
--v=4 \\
--address=${NODE_ADDRESS} \\
--hostname-override=${NODE_ADDRESS} \\
--kubeconfig=/opt/kubernetes/cfg/kubelet.kubeconfig \\
--experimental-bootstrap-kubeconfig=/opt/kubernetes/cfg/bootstrap.kubeconfig \\
--cert-dir=/opt/kubernetes/ssl \\
--allow-privileged=true \\
--cluster-dns=${DNS_SERVER_IP} \\
--cluster-domain=cluster.local \\
--fail-swap-on=false \\
--pod-infra-container-image=registry.cn-hangzhou.aliyuncs.com/google-containers/pause-amd64:3.0"

EOF

cat <<EOF >/usr/lib/systemd/system/kubelet.service
[Unit]
Description=Kubernetes Kubelet
After=docker.service
Requires=docker.service

[Service]
EnvironmentFile=-/opt/kubernetes/cfg/kubelet
ExecStart=/opt/kubernetes/bin/kubelet \$KUBELET_OPTS
Restart=on-failure
KillMode=process

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable kubelet
systemctl restart kubelet

执行脚本安装,日志/var/log/message:

 ./kubelet.sh 10.50.182.66 10.10.10.2

安装kube-proxy:
编写安装脚本:

[root@mail node_pkg]# cat proxy.sh
#!/bin/bash

NODE_ADDRESS=${1:-"10.50.182.66"}

cat <<EOF >/opt/kubernetes/cfg/kube-proxy

KUBE_PROXY_OPTS="--logtostderr=true \
--v=4 \
--hostname-override=${NODE_ADDRESS} \
--kubeconfig=/opt/kubernetes/cfg/kube-proxy.kubeconfig"

EOF

cat <<EOF >/usr/lib/systemd/system/kube-proxy.service
[Unit]
Description=Kubernetes Proxy
After=network.target

[Service]
EnvironmentFile=-/opt/kubernetes/cfg/kube-proxy
ExecStart=/opt/kubernetes/bin/kube-proxy \$KUBE_PROXY_OPTS
Restart=on-failure

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable kube-proxy
systemctl restart kube-proxy

启动脚本:

./proxy.sh 10.50.182.66

ps aux |grep proxy
报错查看:/var/log/message
journalctl -f -t kube-proxy 
journalctl -u kube-proxy

查询集群状态:

root@localhost ~]# kubectl get csr

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转载自www.cnblogs.com/litzhiai/p/10817904.html