1. - hosts: docker
    2.   remote_user: root
    3.   name: "安装docker引擎"
    4.   gather_facts: no
    6.   tasks:
    7.     - name: "查看 Docker 主机的连通性"
    8.       ping:
    9.     - name: "安装 Docker 依赖包"
    10.       yum: name=yum-utils,device-mapper-persistent-data,lvm2
    11.     - name: "添加软件源信息"
    12.       shell: yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
    13.     - name: "修改软件源配置文件"
    14.       shell: sudo sed -i 's+download.docker.com+mirrors.aliyun.com/docker-ce+' /etc/yum.repos.d/docker-ce.repo
    15.     - name: "更新 Docker-CE"
    16.       shell: yum makecache fast
    17.     - name: "安装 Docker-CE"
    18.       yum: name=docker-ce state=present
    19.     - name: "创建 Docker 文件夹"
    20.       file: path="/data/docker" state=directory force=yes recurse=yes
    21.     - name: "配置加速器以及Docker相关优化参数"
    22.       copy: src=/data/ansible/docker/config/daemon.json dest=/etc/docker/ backup=yes
    23.       # {
    24.       #   //定义Docker Hub镜像仓库加速器
    25.       #   "registry-mirrors": ["https://po13h3y1.mirror.aliyuncs.com","http://hub-mirror.c.163.com","https://mirror.ccs.tencentyun.com","http://f1361db2.m.daocloud.io"],
    26.       #   //运行时执行选项
    27.       #   "exec-opts": ["native.cgroupdriver=systemd"],
    28.       #   //容器日志的默认驱动程序（默认为“ json-file”）
    29.       #   "log-driver": "json-file",
    30.       #   //容器默认日志驱动程序选项
    31.       #   "log-opts": {
    32.       #     "max-size": "100m"
    33.       #   },
    34.       #   //要使用的存储驱动程序
    35.       #   "storage-driver": "overlay2"
    36.       # }
    37.       notify:
    38.         - restart_docker
    39.     - name: "加载 Docker 服务"
    40.       service: name=docker state=started enabled=true
    41.     - name: "查看 Docker 组件版本信息和完整信息"
    42.       shell: docker version && docker info
    43.       tags: docker_verson
    44.   handlers:
    45.     - name: restart_docker
    46.       service: name=docker state=restarted