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| #!/bin/bash
initfire () {
iptables -P FORWARD ACCEPT
swapoff -a
sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab
setenforce 0
systemctl disable firewalld && systemctl stop firewalld
cat <<EOF > /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward=1
vm.max_map_count=262144
EOF
modprobe br_netfilter
sysctl -p /etc/sysctl.d/k8s.conf
curl -o /etc/yum.repos.d/Centos-7.repo http://mirrors.aliyun.com/repo/Centos-7.repo
curl -o /etc/yum.repos.d/docker-ce.repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
sleep 1
cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=0
repo_gpgcheck=0
gpgkey=http://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg
http://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF
}
installdocker () {
cat <<EOF > /etc/sysctl.d/docker.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.conf.default.rp_filter = 0
net.ipv4.conf.all.rp_filter = 0
net.ipv4.ip_forward=1
EOF
modprobe br_netfilter
sysctl -p /etc/sysctl.d/docker.conf
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum install docker-ce -y
systemctl start docker &&systemctl enable docker
mkdir -p /etc/docker
echo '{ "registry-mirrors" : [ "https://8xpk5wnt.mirror.aliyuncs.com" ] }' >>/etc/docker/daemon.json
echo '{ "exec-opts": ["native.cgroupdriver=systemd"] }' >>/etc/docker/daemon.json
systemctl start docker
systemctl enable docker
if [ -f "/usr/bin/docker" ];
then
echo "docker $(docker version|grep Version)安装成功"
else
echo "安装失败"
fi
}
masterinit () {
echo '拉取镜像，请稍等数分钟....'
kubeadm init --kubernetes-version=1.16.2 \
--apiserver-advertise-address=$(hostname -I|awk '{print $1}') \
--image-repository registry.aliyuncs.com/google_containers \
--service-cidr=10.10.0.0/16 --pod-network-cidr=10.122.0.0/16
}
while :
do
echo "--注：master和node节点同时执行1->2->3,随后master执行4生成token信息去node节点执行"
echo "--即：node节点执行1->2->3->6,master节点执行1->2->3->4->5->6."
echo -e "\033[46;30m 请选择 \033[0m"
read -ep "---------------------------
---1.配置初始化请按1-------
---2.安装docker请按2-------
---3.安装kubeadm请按3------
---4.master节点初始化化----
---5.安装Calico网络组件----
---6.退出------------------
---------------------------
在此处输入数字后,请按回车继续--->" a
case $a in
1)
initfire
echo '初始化完成'
;;
2)
installdocker
;;
3)
yum install -y kubelet-1.16.2 kubeadm-1.16.2 kubectl-1.16.2 --disableexcludes=kubernetes
kubeadm version
systemctl enable kubelet && systemctl start kubelet
sleep 1
;;
4)
masterinit
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config
echo "==================================================================================================
复制上面kubeadm join 192.168.xx.xxx:6443 --token seasjn.4ddtaulfm180av3i \
--discovery-token-ca-cert-hash sha256:8b0484a0ca7cdbc6b41a643exxxxxxxxxxxx这一段信息去node节点执行
===================================================================================================="
;;
5)
kubectl apply -f ./calico.yaml
echo '正在配置，请稍等....'
sleep 10
kubectl get pod --all-namespaces
;;
6)
break
;;
esac
done
|
