CentOS 7 Kubernetes 安装和配置
部署环境
操作系统：CentOS 7
Kubernetes版本： v1.5.2
Etcd版本：
Docker版本：
第一章、安装Master
内核更新：
yum update -y关闭防火墙
systemctl disable firewalld
systemctl stop firewalld
1、安装etcd
yum install -y etcd
systemctl daemon-reload
systemctl enable etcd
systemctl start etcd
etcdctl cluster-health
2、安装kubernetes
yum install -y kubernetes
1）配置kube-apiserver
vim /usr/lib/systemd/system/kube-apiserver.service
#修改配置
After=etcd.service
Wants=etcd.service
vim /etc/kubernetes/apiserver
#修改配置
KUBE_ETCD_SERVERS="--etcd-servers=http://47.52.159.14:2379"
KUBE_API_ADDRESS="--insecure-bind-address=0.0.0.0"
vim /etc/kubernetes/config
#修改配置
KUBE_LOG_LEVEL="--v=2"
KUBE_MASTER="--master=http://47.52.159.14:8080"
服务启动
systemctl daemon-reload
systemctl enable kube-apiserver
systemctl start kube-apiserver
systemctl status kube-apiserver
2）配置kube-controller-manager
vim /usr/lib/systemd/system/kube-controller-manager.service
#修改配置
After=kube-apiserver.service
Requires=kube-apiserver.service
服务启动
systemctl daemon-reload
systemctl enable kube-controller-manager
systemctl start kube-controller-manager
systemctl status kube-controller-manager
3）配置kube-scheduler
vim /usr/lib/systemd/system/kube-scheduler.service
#修改配置
After=kube-apiserver.service
Requires=kube-apiserver.service
服务启动
systemctl daemon-reload
systemctl enable kube-scheduler
systemctl start kube-scheduler
systemctl status kube-scheduler
第二章、安装Node
内核更新：
yum update -y
关闭防火墙
systemctl disable firewalld
systemctl stop firewalld
2、安装kubernetes
yum install -y kubernetes
3、安装Docker
curl -fsSL get.docker.com -o get-docker.sh
sh get-docker.sh --mirror Aliyun
curl -sSL https://get.daocloud.io/daotools/set_mirror.sh | sh -s http://573b0ee5.m.daocloud.io
systemctl restart docker.service
4、配置kubelet
vim /usr/lib/systemd/system/kubelet.service
无需配置
vim /etc/kubernetes/config
修改配置：
KUBE_MASTER="--master=http://47.52.159.14:8080"
vim /etc/kubernetes/kubelet
修改配置：
KUBELET_API_SERVER="--api-servers=http://47.52.159.14:8080"
systemctl daemon-reload
systemctl enable kubelet
systemctl start kubelet
systemctl status kubelet
5、配置kube-proxy
vim /usr/lib/systemd/system/kube-proxy.service
修改配置：
添加：Requires=network.service
vim /etc/kubernetes/proxy
无需修改
systemctl daemon-reload
systemctl enable kube-proxy
systemctl start kube-proxy
systemctl status kube-proxy