rancher 集群加节点
节点主机10.11.0.16
安装常用工具
yum install vim git net-tools wget gcc yum-utils device-mapper-persistent-data lvm2 -y
内核参数设置
tee /etc/sysctl.d/k8s.conf <<EOF
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
vm.swappiness = 0
EOF
modprobe br_netfilter
sysctl -p /etc/sysctl.d/k8s.conf
禁用selinux
setenforce 0
sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
禁用swap
swapoff -a
sed 's/._swap._/#&/' /etc/fstab
安装docker-ce
#添加源信息
yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum makecache fast
#安装docker-ce
yum -y install docker-ce
#设置开机启动
systemctl enable docker
#启动docker
systemctl start docker
#镜像加速
tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://53qevzvm.mirror.aliyuncs.com"]
}
EOF
systemctl daemon-reload
#重启docker
systemctl restart docker
免密登录
#添加用户
useradd rancher
#设置用户组
usermod -G docker rancher
#修改密码
passwd rancher
#以rancher用户生成ssh秘钥
su rancher
ssh-keygen
集群机子10.10.0.6
下发秘钥
ssh-copy-id rancher@10.11.0.16
编辑 cluster.yml 添加节点
- address: 10.11.0.16
port: "22"
internal_address: ""
role:
- controlplane
- worker
- etcd
hostname_override: ""
user: rancher
docker_socket: /var/run/docker.sock
ssh_key: ""
ssh_key_path: ~/.ssh/id_rsa
ssh_cert: ""
ssh_cert_path: ""
labels: {}
taints: []
启动
./rke_linux-amd64 up --config cluster.yml
