DockerInstall.sh

[TOC]

# 脚本正文
```
#!/bin/bash
yum remove docker docker-common docker-selinux docker-engine -y
yum install -y yum-utils device-mapper-persistent-data lvm2
#yum-config-manager --add-repo https://mirrors.ustc.edu.cn/docker-ce/linux/centos/docker-ce.repo
#yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
#阿里源
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

#指定版本安装
#yum -y install docker-ce-17.09.0.ce && mkdir -p /data/docker
#安装最新版本
yum -y install $1 && mkdir -p /data/docker

#useradd opsadmin
#usermod -G docker opsadmin

sed -i "s#ExecStart=/usr/bin/dockerd#ExecStart=/usr/bin/dockerd --data-root /data/docker -H unix://#g" /usr/lib/systemd/system/docker.service

mkdir -p /etc/docker
tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": [
      "https://docker.m.daocloud.io",
      "https://dockerproxy.com",
      "https://docker.mirrors.ustc.edu.cn",
      "https://docker.nju.edu.cn",
      "https://igqnfj9t.mirror.aliyuncs.com"
  ],
  "insecure-registries": ["reg.xxx.com"],
  "log-driver": "json-file",
  "log-opts": {"max-size":"500m", "max-file":"1"},
  "max-concurrent-downloads": 3,
  "max-concurrent-uploads": 5,
  "default-address-pools": [{"base": "172.16.0.0/16", "size": 24}]
}

systemctl enable docker
systemctl start docker

EOF

systemctl enable docker && systemctl restart docker

```
# daemon.json释义
```
  ##配置镜像加速器地址（这里需要注意，当配置了此项后，默认会从镜像加速器地址拉取镜像，当镜像加速器的地址与官方不一致时，也是以加速器的地址为准，除非将此项剔除或换成其他同步良好的加速器地址）
  {
  "registry-mirrors": [
      "https://docker.m.daocloud.io",
      "https://dockerproxy.com",
      "https://docker.mirrors.ustc.edu.cn",
      "https://docker.nju.edu.cn",
      "https://igqnfj9t.mirror.aliyuncs.com"
  ],
  ##配置私有仓库
  "insecure-registries": ["reg.xxx.com"],
  ##配置日志驱动
  "log-driver": "json-file",
  "log-opts": {"max-size":"500m", "max-file":"1"},
  ##配置下载/上传限制
  "max-concurrent-downloads": 3,	##最大下载数
  "max-concurrent-uploads": 5,		##最大上传数
  ##为容器设置固定的地址池，可设置多个
  "default-address-pools":[{"base":"172.16.0.0/16","size":24},{"base":"172.90.0.0/16","size":24}]
```

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