#!/bin/sh
. /etc/init.d/functions $> /dev/null
set -e
COLOR="echo -e \\E[1;32m"
COLOR1="echo -e \\E[1;31m"
END="\\E[0m"
#ubuntu依賴包
ubuntu_page="
apt-transport-https
ca-certificates
curl
software-properties-common
"
#centos依賴包
centos_page="
yum-utils
device-mapper-persistent-data
lvm2
"

#centos7安裝
install_centos7() {
 ${COLOR}
 
"開始安裝 Docker....."${END}
 #安裝依賴包
for PAGE in ${centos_page};do
    rpm -q $PAGE &> /dev/null || yum -y -q install $PAGE
done

 #新增源資訊
 yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo && action "新增源資訊成功!" || { action "新增源資訊失敗,請檢查命令!" false ; exit; }
 


 #更新安裝docker-ce
 yum makecache fast &> /dev/null
 yum -y install docker-ce &> /dev/null

 #配置映象加速器
 mkdir -p /etc/docker
 cat > /etc/docker/daemon.json <<-'EOF'
{
    "registry-mirrors": ["https://jcbawuya.mirror.aliyuncs.com"]
}
EOF

#過載配置檔案
 systemctl daemon-reload

#啟動服務
 ${COLOR}"正在啟動 Docker.....
 
"${END}
 sleep 2
 systemctl start docker && action "docker啟動成功!" || action "docker啟動失敗,請檢查配置檔案!" false
}

#centos8安裝
install_centos8() {
 ${COLOR}"開始安裝 Docker....."${END} 
 #安裝依賴包
for PAGE in ${centos_page};do
    rpm -q $PAGE &> /dev/null || yum -y -q install $PAGE
done
 yum -y install https://mirrors.aliyun.com/docker-ce/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.13-3.1.el7.x86_64.rpm &> /dev/null
 #新增源資訊
 cat > /etc/yum.repos.d/docker.repo <<EOF
[docker]
name=docker
gpgcheck=0
baseurl=https://mirrors.aliyun.com/docker-ce/linux/centos/8/x86_64/stable/
EOF

 #更新安裝docker-ce
 yum clean all &> /dev/null 
 yum -y install docker-ce &> /dev/null && action "docker安裝完成!" || action "docker按照失敗!請檢查網路及Yum源!" false

 #配置映象加速器
 mkdir -p /etc/docker
 cat > /etc/docker/daemon.json <<-'EOF'
 {
     "registry-mirrors": ["https://jcbawuya.mirror.aliyuncs.com"]
 } 
EOF

 #過載配置檔案
 systemctl daemon-reload

 #啟動服務
 ${COLOR}"正在啟動 Docker....."${END}
 sleep 2
 systemctl start docker && action "docker啟動成功!" || action "docker啟動失敗,請檢查配置檔案!" false
}

#ubuntu安裝
install_ubuntu() {
 ${COLOR}"開始安裝 Docker....."${END}
 #更新源及安裝依賴包
 apt-get update &> /dev/null
 for PAGE in ${ubuntu_page};do
     dpkg -s $PAGE &> /dev/null || apt -y install $PAGE &> /dev/null
 done

 #安裝GPG證書
 curl -fsSL https://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo apt-key add -

 #寫入軟體源資訊
 echo 'deb [arch=amd64] https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic stable' >> /etc/apt/sources.list
 #更新源資訊
 apt-get -y update &> /dev/null

 #配置映象加速器
 mkdir -p /etc/docker
 cat > /etc/docker/daemon.json <<EOF
 {
     "registry-mirrors": ["https://jcbawuya.mirror.aliyuncs.com"]
 }
EOF

 #安裝docker-ce
 ${COLOR}"正在啟動 Docker....."${END}
 sleep 2
 apt-get -y install docker-ce &> /dev/null && ${COLOR}"docker啟動成功!"${END} || ${COLOR1}"docker啟動失敗,請檢查配置檔案!"${END}
}

#系統型別
ostype1=`awk -F'"' '/^VERSION_ID/{print $2}' /etc/os-release` 
ostype2=`awk -F'"' '/^NAME/{print $2}' /etc/os-release`
if [[ $ostype2 == "CentOS Linux" ]];then
    if [ $ostype1 = 8 ];then
        install_centos8
    elif [ $ostype1 = 7 ];then
    install_centos7        
    fi
elif [[ $ostype2 == "Ubuntu" ]];then
    install_ubuntu
fi