k8s安装文档

缺乏、安全感 2021-12-11 23:27 342阅读 0赞

========== all 所有节点==============

1.  停止防火墙 并设置hostname  
    systemctl stop firewalld  
    分别在3台服务器上修改hostname  
    hostnamectl set-hostname master  
    hostnamectl set-hostname node1  
    hostnamectl set-hostname node2
2.  设置node节点映射  
    vi /etc/hosts  
    10.24.192.1 master  
    10.24.192.2 node1  
    10.24.192.3 node2
3.

wget [https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo][https_mirrors.aliyun.com_docker-ce_linux_centos_docker-ce.repo] \-O /etc/yum.repos.d/docker-ce.repo  
vim /etc/yum.repos.d/kubernetes.repo  
\[kubernetes\]  
name=Kubernetes  
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86\_64/  
gpgcheck=0  
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg  
enabled=1

yum install docker-ce kubelet-1.13.6\* kubeadm-1.13.6\* kubectl-1.13.6\* -y

\#修改docker网段，避免与宿主机冲突  
vim /etc/docker/daemon.json  
\{  
“bip”:“172.100.0.1/16”  
\}

========== all 所有节点==============

========== master 节点==============

systemctl start docker.service  
docker load node-component-imgs.gz

编辑kubelet的配置文件/etc/sysconfig/kubelet，设置其忽略Swap启用的状态错误，内容如下：  
KUBELET\_EXTRA\_ARGS="–fail-swap-on=false"  
KUBE\_PROXY\_MODE=ipvs

systemctl enable docker kubelet

docker pull mirrorgooglecontainers/kube-apiserver:v1.13.6  
docker pull mirrorgooglecontainers/kube-controller-manager:v1.13.6  
docker pull mirrorgooglecontainers/kube-scheduler:v1.13.6  
docker pull mirrorgooglecontainers/kube-proxy:v1.13.6  
docker pull mirrorgooglecontainers/pause:3.1  
docker pull mirrorgooglecontainers/etcd:3.2.24  
docker pull coredns/coredns:1.2.6

docker tag [docker.io/mirrorgooglecontainers/kube-apiserver:v1.13.6][docker.io_mirrorgooglecontainers_kube-apiserver_v1.13.6] [k8s.gcr.io/kube-apiserver:v1.13.6][k8s.gcr.io_kube-apiserver_v1.13.6]  
docker tag [docker.io/mirrorgooglecontainers/kube-controller-manager:v1.13.6][docker.io_mirrorgooglecontainers_kube-controller-manager_v1.13.6] [k8s.gcr.io/kube-controller-manager:v1.13.6][k8s.gcr.io_kube-controller-manager_v1.13.6]  
docker tag [docker.io/mirrorgooglecontainers/kube-scheduler:v1.13.6][docker.io_mirrorgooglecontainers_kube-scheduler_v1.13.6] [k8s.gcr.io/kube-scheduler:v1.13.6][k8s.gcr.io_kube-scheduler_v1.13.6]  
docker tag [docker.io/mirrorgooglecontainers/kube-proxy:v1.13.6][docker.io_mirrorgooglecontainers_kube-proxy_v1.13.6] [k8s.gcr.io/kube-proxy:v1.13.6][k8s.gcr.io_kube-proxy_v1.13.6]  
docker tag [docker.io/mirrorgooglecontainers/pause:3.1][docker.io_mirrorgooglecontainers_pause_3.1] [k8s.gcr.io/pause:3.1][k8s.gcr.io_pause_3.1]  
docker tag [docker.io/mirrorgooglecontainers/etcd:3.2.24][docker.io_mirrorgooglecontainers_etcd_3.2.24] [k8s.gcr.io/etcd:3.2.24][k8s.gcr.io_etcd_3.2.24]  
docker tag [docker.io/coredns/coredns:1.2.6][docker.io_coredns_coredns_1.2.6] [k8s.gcr.io/coredns:1.2.6][k8s.gcr.io_coredns_1.2.6]

kubeadm init --kubernetes-version=v1.13.6 --pod-network-cidr=10.244.0.0/16 --service-cidr=10.96.0.0/12 --ignore-preflight-errors=Swap

“”“初始化完成记录—重要必须要记录，添加node时使用的  
kubeadm join 10.24.192.1:6443 --token 8it2a2.wzq4e99nnx5zf6gg --discovery-token-ca-cert-hash sha256:e656597f21739dc3012573166ee993c3d52b76594a47cf186f08d1d92a4bc5e5  
“””

mkdir -p $HOME/.kube  
cp -i /etc/kubernetes/admin.conf $HOME/.kube/config  
安装flannel  
kubectl apply -f [https://raw.githubusercontent.com/coreos/flannel/62e44c867a2846fefb68bd5f178daf4da3095ccb/Documentation/kube-flannel.yml][https_raw.githubusercontent.com_coreos_flannel_62e44c867a2846fefb68bd5f178daf4da3095ccb_Documentation_kube-flannel.yml]

========== master节点 ==============

========== slave节点 ==============

systemctl start docker.service

编辑kubelet的配置文件/etc/sysconfig/kubelet，设置其忽略Swap启用的状态错误，内容如下：  
KUBELET\_EXTRA\_ARGS="–fail-swap-on=false"

systemctl enable docker kubelet

docker pull mirrorgooglecontainers/kube-proxy:v1.13.6  
docker tag [docker.io/mirrorgooglecontainers/kube-proxy:v1.13.6][docker.io_mirrorgooglecontainers_kube-proxy_v1.13.6] [k8s.gcr.io/kube-proxy:v1.13.6][k8s.gcr.io_kube-proxy_v1.13.6]

docker pull mirrorgooglecontainers/pause:3.1  
docker tag [docker.io/mirrorgooglecontainers/pause:3.1][docker.io_mirrorgooglecontainers_pause_3.1] [k8s.gcr.io/pause:3.1][k8s.gcr.io_pause_3.1]

kubeadm join 10.24.192.1:6443 --token 8it2a2.wzq4e99nnx5zf6gg --discovery-token-ca-cert-hash sha256:e656597f21739dc3012573166ee993c3d52b76594a47cf186f08d1d92a4bc5e5 --ignore-preflight-errors=Swap

========== slave 节点==============

[https_mirrors.aliyun.com_docker-ce_linux_centos_docker-ce.repo]: https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
[docker.io_mirrorgooglecontainers_kube-apiserver_v1.13.6]: http://docker.io/mirrorgooglecontainers/kube-apiserver:v1.13.6
[k8s.gcr.io_kube-apiserver_v1.13.6]: http://k8s.gcr.io/kube-apiserver:v1.13.6
[docker.io_mirrorgooglecontainers_kube-controller-manager_v1.13.6]: http://docker.io/mirrorgooglecontainers/kube-controller-manager:v1.13.6
[k8s.gcr.io_kube-controller-manager_v1.13.6]: http://k8s.gcr.io/kube-controller-manager:v1.13.6
[docker.io_mirrorgooglecontainers_kube-scheduler_v1.13.6]: http://docker.io/mirrorgooglecontainers/kube-scheduler:v1.13.6
[k8s.gcr.io_kube-scheduler_v1.13.6]: http://k8s.gcr.io/kube-scheduler:v1.13.6
[docker.io_mirrorgooglecontainers_kube-proxy_v1.13.6]: http://docker.io/mirrorgooglecontainers/kube-proxy:v1.13.6
[k8s.gcr.io_kube-proxy_v1.13.6]: http://k8s.gcr.io/kube-proxy:v1.13.6
[docker.io_mirrorgooglecontainers_pause_3.1]: http://docker.io/mirrorgooglecontainers/pause:3.1
[k8s.gcr.io_pause_3.1]: http://k8s.gcr.io/pause:3.1
[docker.io_mirrorgooglecontainers_etcd_3.2.24]: http://docker.io/mirrorgooglecontainers/etcd:3.2.24
[k8s.gcr.io_etcd_3.2.24]: http://k8s.gcr.io/etcd:3.2.24
[docker.io_coredns_coredns_1.2.6]: http://docker.io/coredns/coredns:1.2.6
[k8s.gcr.io_coredns_1.2.6]: http://k8s.gcr.io/coredns:1.2.6
[https_raw.githubusercontent.com_coreos_flannel_62e44c867a2846fefb68bd5f178daf4da3095ccb_Documentation_kube-flannel.yml]: https://raw.githubusercontent.com/coreos/flannel/62e44c867a2846fefb68bd5f178daf4da3095ccb/Documentation/kube-flannel.yml