准备签发证书环境
10.4.7.200上执行
安装CFSSL
wget https://pkg.cfssl.org/R1.2/cfssl_linux-amd64 -O /usr/bin/cfssl
wget https://pkg.cfssl.org/R1.2/cfssljson_linux-amd64 -O /usr/bin/cfssl-json
wget https://pkg.cfssl.org/R1.2/cfssl-certinfo_linux-amd64 -O /usr/bin/cfssl-certinfo
chmod +x /usr/bin/cfssl*
mkdir /opt/certs
vim /opt/certs/ca-csr.json{
"CN": "ZhangCun",
"hosts": [
],
"key": {
"algo": "rsa",
"size": 2048
},
"names": [
{
"C": "CN",
"ST": "beijing",
"L": "beijing",
"O": "od",
"OU": "ops"
}
],
"ca": {
"expiry": "175200h"
}
} cfssl gencert -initca ca-csr.json | cfssl-json -bare ca
安装docker（在10.4.7.21,10,4.7.22,10.4.7.200分别执行）
安装依赖包
yum install -y yum-utils device-mapper-persistent-data lvm2
添加Docker软件包源
yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
安装（安装最新版本）
yum install docker-ce -y
或者
curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
mkdir -p /data/docker /etc/docker vim /etc/docker/daemon.json
{
"graph": "/data/docker",
"storage-driver": "overlay2",
"insecure-registries": ["registry.access.redhat.com","quay.io","harbor.od.com"],
"registry-mirrors": ["https://q2gr04ke.mirror.aliyuncs.com"],
"bip": "172.7.21.1/24",
"exec-opts": ["native.cgroupdriver=systemd"],
"live-restore": true
} systemctl start docker
systemctl enable docker
