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node_kubeadm_join.sh 3.06 KB
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林志伟 提交于 2019-01-07 12:01 . Update node_kubeadm_join.sh
echo "--------修改hosts--------"
cat <<EOF >/etc/hosts
192.168.168.145 node-192-168-168-145
EOF
systemctl restart network
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=1
repo_gpgcheck=1
gpgkey=http://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg http://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
exclude=kube*
EOF
## Install prerequisites.
yum install -y yum-utils device-mapper-persistent-data lvm2
## Add docker repository.
yum-config-manager -y --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
## Install docker.
yum makecache fast && yum -y install docker-ce-18.06.1.ce
## Create /etc/docker directory.
mkdir /etc/docker
# Setup daemon.
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"
],
"hosts":[
"unix:///var/run/docker.sock",
"tcp://0.0.0.0:2375"
],
"graph": "/data/docker",
"registry-mirrors": ["https://sqygw205.mirror.aliyuncs.com","http://docker.work.net"],
"insecure-registries": ["192.168.119.212","docker.work.net"]
}
EOF
mkdir -p /etc/systemd/system/docker.service.d
# Restart docker.
systemctl daemon-reload
systemctl enable docker
systemctl restart docker
systemctl status docker
systemctl disable firewalld
systemctl stop firewalld
swapoff -a
# Set SELinux in permissive mode (effectively disabling it)
# 将 SELinux 设置为 permissive 模式(将其禁用)
setenforce 0
sed -i 's/^SELINUX=.*$/SELINUX=permissive/' /etc/selinux/config
yum install -y kubelet-1.12.3 kubeadm-1.12.3 kubectl-1.12.3 --disableexcludes=kubernetes
systemctl enable kubelet && systemctl start kubelet
cat <<EOF > /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
EOF
sysctl --system
echo "1" > /proc/sys/net/ipv4/ip_forward
# 下载k8s.1.12.3所需要的镜像列表
echo 'docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy-amd64:v1.12.3
docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/pause:3.1
docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/pause:3.1 k8s.gcr.io/pause:3.1
docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy-amd64:v1.12.3 k8s.gcr.io/kube-proxy:v1.12.3' > ~/down-images.sh
chmod +777 ~/down-images.sh
sh ~/down-images.sh
# 执行节点加入操作
# 示例: kubeadm join 192.168.119.212:6443 --token jrk73b.m6ly1m4pz5g7ymbm --discovery-token-ca-cert-hash sha256:18c361e1e5031ab1fb0c195b3dff6b2f3557c98db621cf34077afe66845e40ab
# 下面的join_token要替换与具体的主节点的token , 主节点执行命令:kubeadm token list 查看可用的token列表,主节点创建新token命令:kubeadm token create
kubeadm join 192.168.119.212:6443 --token join_token --discovery-token-ca-cert-hash sha256:18c361e1e5031ab1fb0c195b3dff6b2f3557c98db621cf34077afe66845e40ab
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