#!/bin/sh
ip=192.168.98.128（你的ip地址）
password=young123 （设置创建ca时输入的密码）
dir=/www/server/docker/ca_key # 证书生成位置
validity_period=10 # 证书有效期10年
# 将此shell脚本在安装docker的机器上执行，作用是生成docker远程连接加密证书
if [ ! -d "$dir" ]; then
echo ""
echo "$dir , not dir , will create"
echo ""
mkdir -p $dir
else
echo ""
echo "$dir , dir exist , will delete and create"
echo ""
rm -rf $dir
mkdir -p $dir
fi
cd $dir || exit
# 创建根证书RSA私钥
openssl genrsa -aes256 -passout pass:"$password" -out ca-key.pem 4096
# 创建CA证书
openssl req -new -x509 -days $validity_period -key ca-key.pem -passin pass:"$password" -sha256 -out ca.pem -subj "/C=NL/ST=./L=./O=./CN=$ip"
# 创建服务端私钥
openssl genrsa -out server-key.pem 4096
# 创建服务端签名请求证书文件
openssl req -subj "/CN=$ip" -sha256 -new -key server-key.pem -out server.csr
echo subjectAltName = IP:$ip,IP:0.0.0.0 >>extfile.cnf
echo extendedKeyUsage = serverAuth >>extfile.cnf
# 创建签名生效的服务端证书文件
openssl x509 -req -days $validity_period -sha256 -in server.csr -CA ca.pem -CAkey ca-key.pem -passin "pass:$password" -CAcreateserial -out server-cert.pem -extfile extfile.cnf
# 创建客户端私钥
openssl genrsa -out key.pem 4096
# 创建客户端签名请求证书文件
openssl req -subj '/CN=client' -new -key key.pem -out client.csr
echo extendedKeyUsage = clientAuth >>extfile.cnf
echo extendedKeyUsage = clientAuth >extfile-client.cnf
# 创建签名生效的客户端证书文件
openssl x509 -req -days $validity_period -sha256 -in client.csr -CA ca.pem -CAkey ca-key.pem -passin "pass:$password" -CAcreateserial -out cert.pem -extfile extfile-client.cnf
# 删除多余文件
rm -f -v client.csr server.csr extfile.cnf extfile-client.cnf
chmod -v 0400 ca-key.pem key.pem server-key.pem
chmod -v 0444 ca.pem server-cert.pem cert.pem
