#!/bin/bash
######系統配合
#下載ISO檔
#https://ftp.ubuntu-tw.org/ubuntu-releases/26.04.1/ 安裝
######鄭亮星 jls@mail.jls.idv.tw , jls550225@gmail.com , jls@acfs.tw
##設宣 IP 及 電腦名稱
clear
while [ "$yn" != "yes" -a "$yn" != "YES" ]
do
	read -p "請輸入 IP(例如 168.168.168.168 ):" IPaddress
	read -p "請輸入遮罩(例 24 ):" Mask
	read -p "請輸入閘道(例如 168.168.168.254 ):" Gateway
	read -p "請輸入您的網站名稱(例如 dns.jls.idv.tw ):" HostName
	read -p "請輸入(MySQL)資料庫密碼(例如 password ):" Mysqlpasswd
	read -p "請輸入系統通知郵件信箱(例如 jls@jls.idv.tw ):" Email
	clear
	echo "IPaddress=$IPaddress" > /root/setup.txt
	echo "Mask=$Mask" >> /root/setup.txt
	echo "Gateway=$Gateway" >> /root/setup.txt
	echo "HostName=$HostName" >> /root/setup.txt
	echo "Mysqlpasswd=$Mysqlpasswd" >> /root/setup.txt
	echo "Email=$Email" >> /root/setup.txt
	echo "您輸入的 IP 是: $IPaddress"
	echo "您輸入的遮罩是: $Mask"
	echo "您輸入的閘道是: $Gateway"
	echo "您輸入的網站名稱是: $HostName"
	echo "您輸入的(MySQL)資料庫密碼是: $Mysqlpasswd"
	echo "您輸入的系統通知郵件信箱是: $Email"
	read -p "以上輸入是否正確？ 正確請輸入 yes 或 YES，否則按任一鍵繼續輸入:" yn
	clear
done

ETH0=$(ls /proc/net/dev_snmp6 |awk '{ print $1 }' |sed -n '1p')
ETH1=$(ls /proc/net/dev_snmp6 |awk '{ print $1 }' |sed -n '2p')
DATE=$(date "+%Y%m%d%H")
rm -rf /etc/netplan/*
cat > /etc/netplan/00-installer-config.yaml << EOF
# This is the network config written by 'subiquity'
network:
  ethernets:
    $ETH0:
      dhcp4: false
      addresses: [$IPaddress/$Mask]
      gateway4: $Gateway
      nameservers:
        addresses: [8.8.8.8, 168.95.192.1, 1.1.1.1, 168.95.1.1]
  version: 2
EOF

if [ "$ETH1" != "" ] && [ "$ETH1" != "lo" ]; then
cat >> /etc/netplan/00-installer-config.yaml << EOF
# This is the network config written by 'subiquity'
network:
  ethernets:
    $ETH1:
      dhcp4: false
      addresses: [192.168.1.1/24]
      dhcp6: false
      addresses: [fc01:192:168:1::1/64]
  version: 2
EOF
fi
timedatectl set-timezone Asia/Taipei
hostnamectl set-hostname $HostName
cp -arf /etc/hosts /etc/hosts-$DATE
cat >> /etc/hosts << EOF
$IPaddress     $HostName      
EOF
sync;sync;reboot
exit 0