k8s1.7.10部署 | 易学教程

#我现在用的环境准备脚本

#! /bin/bash
yum install -y wget vim
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
yum install -y epel-release
#添加kubernetes源
touch /etc/yum.repos.d/kubernets.repo
cat > /etc/yum.repos.d/kubernets.repo << EOF
[Kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF
yum clean all
yum makecache fast
systemctl disable firewalld
sed -i 's/enforcing/disabled/' /etc/selinux/config
#关闭swap分区
sed -i 's/^[^#].*swap*/#&/g'  /etc/fstab
#将桥接的ipv4流量传递到iptables的链
cat > /etc/sysctl.d/k8s.conf << EOF

net.bridge.bridge-nf-call-ip6tables = 1

net.bridge.bridge-nf-call-iptables = 1

EOF
#开启转发
echo "1" > /proc/sys/net/ipv4/ip_forward
sysctl -p 
#配置ntp服务器
yum install -y ntp
timedatectl set-timezone Asia/Shanghai
sed -i 's/0.centos.pool.ntp.org/ntp1.aliyun.com/g' /etc/ntp.conf
systemctl enable ntpd
#准备docker
yum remove docker                   docker-client                   docker-client-latest                   docker-common                   docker-latest                   docker-latest-logrotate                   docker-logrotate
yum install -y yum-utils   device-mapper-persistent-data   lvm2
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum install -y docker-ce docker-ce-cli containerd.io
systemctl enable docker
#配置docker http代理
mkdir -p /etc/systemd/system/docker.service.d
touch /etc/systemd/system/docker.service.d/http-proxy.conf
cat > /etc/systemd/system/docker.service.d/http-proxy.conf << EOF

[Service]

Environment="HTTP_PROXY=http://192.168.2.251:10809"

EOF
yum install -y kubeadm kubelet kubecli
#修改默认docker的cggroup驱动为system
mkdir /etc/docker
cat > /etc/docker/daemon.json <<EOF
{
  "exec-opts": ["native.cgroupdriver=systemd"],
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m"
  },
  "storage-driver": "overlay2",
  "storage-opts": [
    "overlay2.override_kernel_check=true"
  ]
}
EOF
systemctl daemon-reload
systemctl restart docker
systemctl enable kubelet.service
reboot

#遇到的问题
##token过期，node无法加入到集群
在mster上执行kubeadm token create 得到新的token，然后join即可

来源：CSDN

作者：不拿ip不改名

链接：https://blog.csdn.net/weixin_43369732/article/details/103723205

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Docker