docker.sh

#!/bin/bash

[[ "$EUID" -ne '0' ]] && echo "Error:This script must be run as root!" && exit 1;
if [[ -f "/usr/bin/yum" && -f "/etc/selinux/config" ]]; then
    setenforce 0
    sed -i 's/^SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
fi

while [ $# -gt 0 ]; do
    case $1 in
        uninstall)
            UNINST=1
            ;;
        -v|--version)
            VER=$2
            shift
            ;;
        *)
            echo "Unknown option: \"$1\""
            exit
    esac
    shift
done

if [ "$UNINST" == '1' ]; then
  if [ -f "/usr/bin/apt-get" ]; then
    apt-get remove docker docker-engine docker.io containerd runc
  fi
  if [ -f "/usr/bin/yum" ]; then
    yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-selinux docker-engine-selinux docker-engine
  fi
  echo Uninstall done!
  exit
fi

COUNTRY=$(curl -fsSL http://ipinfo.io | grep -o '"country": "[^"]*' | grep -o '[^"]*$')

REPO='https://download.docker.com'
if [ "$COUNTRY" == 'CN' ]; then
  REPO='https://mirrors.aliyun.com/docker-ce'
fi


if [ -f "/usr/bin/apt-get" ]; then
    isDebian=$(cat /etc/issue | grep Debian)
    apt-get remove docker docker-engine docker.io containerd runc
    apt-get install apt-transport-https ca-certificates curl gnupg2 software-properties-common
    if [ -z "$isDebian" ]; then
        curl -fsSL $REPO/linux/debian/gpg | apt-key add -
        add-apt-repository "deb [arch=amd64] $REPO/linux/debian $(lsb_release -cs) stable"
    else
        curl -fsSL $REPO/linux/ubuntu/gpg | apt-key add -
        add-apt-repository "deb [arch=amd64] $REPO/linux/ubuntu $(lsb_release -cs) stable"
    fi
    apt-get install docker-ce
fi

RPMS='docker-ce docker-ce-cli'
if [ "$VER" == '1809' ]; then
  RPMS='docker-ce-18.09.9 docker-ce-cli-18.09.9 containerd.io-1.2.13'
fi
if [ "$VER" == '1903' ]; then
  RPMS='docker-ce-19.03.15 docker-ce-cli-19.03.15 containerd.io-1.3.9'
fi

if [ -f "/usr/bin/yum" ]; then
    yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-selinux docker-engine-selinux docker-engine
    yum install -y yum-utils device-mapper-persistent-data
    yum-config-manager --add-repo $REPO/linux/centos/docker-ce.repo
    yum install -y $RPMS
fi

systemctl start docker
cat > /etc/docker/daemon.json <<EOF
{
  "live-restore": true,
  "log-level": "warn",
  "log-driver": "local",
  "log-opts": {
    "max-size": "8m"
  }
}
EOF

if [[ -f "/usr/bin/yum" && -f "/etc/selinux/config" ]]; then
    sed -i 's/^SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
fi

systemctl restart docker
systemctl enable docker

echo "Done!"