#!/bin/bash
echo "nameserver 77.88.8.7" > /etc/resolv.conf

pvesh create /nodes/$(hostname)/network --iface vmbr1 --type bridge --address 192.168.123.1 --netmask "255.255.255.0" --autostart true
pvesh set /nodes/$(hostname)/network

apt-get install isc-dhcp-server -y

cat << EOF > /etc/default/isc-dhcp-server
INTERFACESv4="vmbr1"
EOF

cat << EOF > /etc/dhcp/dhcpd.conf
subnet 192.168.123.0 netmask 255.255.255.0 {
  range 192.168.123.10 192.168.123.100;
  option domain-name-servers 1.1.1.1;
  option routers 192.168.123.1;
  default-lease-time 600;
  max-lease-time 7200;
}
EOF

systemctl restart isc-dhcp-server

iptables -t nat -A POSTROUTING -o vmbr0 -j MASQUERADE

iptables-save > /etc/rules.v4

echo "@reboot /sbin/iptables-restore < /etc/rules.v4" | crontab -