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

#centos7安裝
install_docker_centos7() {
   . 
 
/etc/init.d/functions $> /dev/null
   ${COLOR}"開始安裝 Docker....."${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
   ${COLOR}"正在安裝Docker,請稍等!"${END}
   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://registry.docker-cn.com","http://hub-mirror.c.163.com
 
","https://docker.mirrors.ustc.edu.cn"],
    "exec-opts": ["native.cgroupdriver=systemd"] 
}
EOF

   #過載配置檔案
   systemctl daemon-reload

   #啟動服務
   ${COLOR}"正在啟動Docker,請稍等!"${END}
   sleep 2
   systemctl enable --now  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_docker_centos8() {
   . /etc/init.d/functions $> /dev/null
   ${COLOR}"開始安裝Docker,請稍等!"${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://registry.docker-cn.com","http://hub-mirror.c.163.com","https://docker.mirrors.ustc.edu.cn"],
    "exec-opts": ["native.cgroupdriver=systemd"]
} 
EOF

    #過載配置檔案
    systemctl daemon-reload

    #啟動服務
    ${COLOR}"正在啟動Docker,請稍等!"${END}
    sleep 2
    systemctl enable --now  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_docker_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 -y update &> /dev/null

    #配置映象加速器
    mkdir -p /etc/docker
    cat > /etc/docker/daemon.json <<EOF
{
     "registry-mirrors": ["https://registry.docker-cn.com","http://hub-mirror.c.163.com","https://docker.mirrors.ustc.edu.cn"]
}
EOF

    #安裝docker-ce
    ${COLOR}"正在安裝Docker,請稍等...."${END}
    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}
}

install_k8s_centos() {

    #新增k8s源
    cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF
    
    #設定selinux
    setenforce 0

    #安裝
    ${COLOR}"正在安裝k8s相關軟體,請稍等!"$END
    yum install -y kubelet kubeadm kubectl && ${COLOR}"k8S相關軟體已安裝完成!"$END || ${COLOR1}"k8S相關軟體安裝失敗,請檢查!"$END

    #設定開機啟動
    systemctl enable --now kubelet && ${COLOR}"k8S啟動成功!"$END || ${COLOR}"k8S啟動失敗,請檢查配置檔案!"$END
}

install_k8s_ubuntu() {
    ${COLOR}"開始安裝k8s,請稍等!"$END
    #新增k8s源
    apt-get update && apt-get install -y apt-transport-https
    curl https://mirrors.aliyun.com/kubernetes/apt/doc/apt-key.gpg | apt-key add - 
    cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
deb https://mirrors.aliyun.com/kubernetes/apt/ kubernetes-xenial main
EOF
    
    #更新源
    apt-get update
    
    #安裝
    apt-get install -y kubelet kubeadm kubectl && ${COLOR}"k8S啟動成功!"$END || ${COLOR}"k8S啟動失敗,請檢查配置檔案!"$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
        rpm -q docker-ce &> /dev/null && action "Docker已安裝" || install_docker_centos8;install_k8s_centos
    elif [ $ostype1 = 7 ];then
    rpm -q docker-ce &> /dev/null && action "Docker已安裝" || install_docker_centos7;install_k8s_centos
    fi
elif [[ $ostype2 == "Ubuntu" ]];then
    dpkg -s docker-ce &> /dev/null && ${COLOR}"Docker已安裝"$END || install_docker_ubuntu;install_k8s_ubuntu
fi