kuberntes安装

Posted 2020-11-19 quanloveshui

1、环境概述及组件版本

1.1 节点

IP	服务角色
192.168.149.136	master&node,etcd
192.168.149.137	master&node,etcd
192.168.149.138	master&node,etcd

 

 

 

1.2 组件

组件	版本	说明

 

 

 

 

 

2、系统初始化及证书创建

2.1 系统初始化

关闭selinux,firewalld（三台服务器均操作）

systemctl stop firewalld.service
sed -i ‘s/SELINUX=enforcing/SELINUX=disabled/‘ /etc/selinux/config

2.1.1 修改hosts

192.168.149.136 k8s-136
192.168.149.137 k8s-137
192.168.149.138 k8s-138

ansible k8s -m copy -a ‘src=/etc/hosts dest=/etc/hosts‘ #ansible 分发hosts file

2.1.2 安装基础软件包

yum remove firewalld python-firewall  python-firewall -y
yum install jq socat psmisc bash-completion -y

2.1.3 内核参数设置

vim  /etc/sysctl.d/99-sysctl.conf

net.ipv4.ip_forward = 1
net.bridge.bridge-nf-call-iptables = 1
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-arptables = 1

ansible k8s -m copy -a ‘src=/etc/sysctl.d/99-sysctl.conf dest=/etc/sysctl.d/99-sysctl.conf‘ #anisble 分发

modprobe br_netfilter
sysctl -p /etc/sysctl.d/99-sysctl.conf