23. 老男孩-深圳标杆班-DBA--云计算-k8s容器编排集群.txt

落枫0907

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2022-11-09

50墨值下载

#一、K8s 快速部署

#1. 节点规划

```

k8s-m :10.0.0.11

k8s-n1 :10.0.0.12

k8s-n2 :10.0.0.13

```

#2.所有节点安装 docker 环境及依赖

##2.1 上传 docker-k8s.zip 软件到各节点/opt,并解压

##2.2 进入目录进行安装

```

cd /opt/docker-k8s

yum localinstall -y *.rpm

```

#3.master 端软件安装

##3.1 上传 k8s-master.zip 到/opt,并解压

##3.2 进入目录并安装

```

cd /opt/k8s-master

yum localinstall -y *.rpm

```

#4.node 节点软件安装

##4.1 上传 k8s-node 到两个 node 节点/opt 并解压

##4.2 进入目录进行安装

```

cd /opt/k8s-node

yum localinstall -y *.rpm

```

#5.配置主节点 ETCD

```

vim /etc/etcd/etcd.conf

ETCD_LISTEN_CLIENT_URLS="http://0.0.0.0:2379"

ETCD_ADVERTISE_CLIENT_URLS="http://10.0.0.11:2379"

重启服务并测试

systemctl restart etcd.service

systemctl enable etcd.service

etcdctl set name oldguo

etcdctl get name

```

#6.配置 Master 节点

```

vim /etc/kubernetes/apiserver

KUBE_API_ADDRESS="--insecure-bind-address=0.0.0.0"

KUBE_API_PORT="--port=8080"

KUBE_ETCD_SERVERS="--etcd-servers=http://10.0.0.11:2379"

KUBE_SERVICE_ADDRESSES="--service-cluster-ip-range=10.254.0.0/16"

KUBE_ADMISSION_CONTROL="--admission-

control=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,Resou

rceQuota"

vim /etc/kubernetes/config

重启服务

systemctl enable kube-apiserver.service

systemctl start kube-apiserver.service

systemctl enable kube-controller-manager.service

systemctl start kube-controller-manager.service

systemctl enable kube-scheduler.service

systemctl start kube-scheduler.service

```

#7.node 节点配置

```

vim /etc/kubernetes/config

KUBE_MASTER="--master=http://10.0.0.11:8080"

node1:

vim /etc/kubernetes/kubelet

KUBELET_ADDRESS="--address=10.0.0.12"

KUBELET_HOSTNAME="--hostname-override=10.0.0.12"

KUBELET_API_SERVER="--api-servers=http://10.0.0.11:8080"

node2:

vim /etc/kubernetes/kubelet

KUBELET_ADDRESS="--address=10.0.0.13"

KUBELET_HOSTNAME="--hostname-override=10.0.0.13"

KUBELET_API_SERVER="--api-servers=http://10.0.0.11:8080"

重启服务

systemctl enable kubelet.service

systemctl start kubelet.service

systemctl enable kube-proxy.service

systemctl start kube-proxy.service

```

#8.验证节点状态

```

[root@k8s-m ~]# kubectl get nodes

```

#9.所有节点配置 flannel 网络

```

所有节点:

yum install flannel -y

sed -i 's#http://127.0.0.1:2379#http://10.0.0.11:2379#g' /etc/sysconfig/flanneld

master 节点：

etcdctl mk /atomic.io/network/config '{ "Network": "172.16.0.0/16" }'

etcdctl get /atomic.io/network/config

{ "Network": "172.16.0.0/16" }

systemctl enable flanneld.service

systemctl start flanneld.service

service docker restart

systemctl restart kube-apiserver.service

systemctl restart kube-controller-manager.service

systemctl restart kube-scheduler.service

ifconfig -a

node 节点：

systemctl enable flanneld.service

systemctl start flanneld.service

service docker restart

systemctl restart kubelet.service

systemctl restart kube-proxy.service

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