• 安装工具

yum install createrepo yum-utils nginx -y

• 下载需要同步的yum源repo文件

wget -O /etc/yum.repos.d/ambari.repo http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.7.3.0/ambari.repo
wget -O /etc/yum.repos.d/hdp.repo http://public-repo-1.hortonworks.com/HDP/centos7/3.x/updates/3.1.0.0/hdp.repo
wget -O /etc/yum.repos.d/hdp.gpl.repo   http://public-repo-1.hortonworks.com/HDP-GPL/centos7/3.x/updates/3.1.0.0/hdp.gpl.repo

• 查看yum源id

yum repolist

• 同步yum源至本地

reposync -r ambari-2.7.3.0 -p /local-yum-repository/centos7
reposync -r HDP-3.1.0.0 -p /local-yum-repository/centos7
reposync -r HDP-UTILS-1.1.0.22 -p /local-yum-repository/centos7
reposync -r HDP-GPL-3.1.0.0 -p /local-yum-repository/centos7

• 创建源文件

createrepo -p -d -o /local-yum-repository/centos/7/os/x86_64/ /local-yum-repository/centos/7/os/x86_64/

• 配置nginx

cat <<EOF >/etc/nginx/conf.d/local-yum-repository.conf
server{
  listen 80;
  server_name local-yum-repository;
  gzip off;
  autoindex on;
  access_log /var/log/nginx/repo-access.log;
  location /centos/7/os/x86_64 {
    alias /local-yum-repository/centos/7/os/x86_64/
  }
}
EOF

• 启动nginx

systemctl restart nginx

• 本地yum源repo文件

[local]
name=local yum repository
baseurl=http://local-yum-repository/centos/7/os/x86_64
enabled=1
gpgcheck=0