support multiple ip addresses and show a prompt for network_config.sh

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Lucky 2023-12-15 11:39:04 +01:00 committed by GitHub
parent 0bc3ff2dfb
commit b11ebfa255
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1 changed files with 71 additions and 44 deletions

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@ -1,13 +1,56 @@
#!/bin/bash
read -p "MAIN_SERVER_IP: " MAINSERVERIP
read -p "MAIN_SERVER_GATEWAY_ADRESS: " GATEWAYADRESS
read -p "NETMASK: " NETMASK
read -p "BROADCASTIP: " BROADCASTIP
read -p "ADDITIONAL_IP_ADRESS: " ADD_IP_ADRESS
read -p "NETWORK_INTERFACE: " NETWORK_INTERFACE
# Function to prompt for input with a default value
prompt_input() {
local prompt=$1
local default=$2
read -p "$prompt [$default]: " input
echo "${input:-$default}"
}
echo "
# Function to create bridge interface text for additional IP
create_bridge_text() {
local ip=$1
local bridge_id=$2
echo "
auto vmbr${bridge_id}
iface vmbr${bridge_id} inet static
address ${ip}
netmask ${NETMASK}
bridge_ports none
bridge_stp off
bridge_fd 0
#LAN${bridge_id}"
}
# Collect inputs
MAINSERVERIP=$(prompt_input "MAIN_SERVER_IP" "192.168.0.1")
GATEWAYADDRESS=$(prompt_input "MAIN_SERVER_GATEWAY_ADDRESS" "192.168.0.254")
NETMASK=$(prompt_input "NETMASK" "255.255.255.0")
BROADCASTIP=$(prompt_input "BROADCASTIP" "192.168.0.255")
ADD_IP_ADDRESSES=$(prompt_input "ADDITIONAL_IP_ADDRESSES (comma-separated)" "")
NETWORK_INTERFACE=$(prompt_input "NETWORK_INTERFACE" "eth0")
# Display inputs for confirmation
echo "You have entered the following configuration:"
echo "MAIN_SERVER_IP: $MAINSERVERIP"
echo "MAIN_SERVER_GATEWAY_ADDRESS: $GATEWAYADDRESS"
echo "NETMASK: $NETMASK"
echo "BROADCASTIP: $BROADCASTIP"
echo "ADDITIONAL_IP_ADDRESSES: $ADD_IP_ADDRESSES"
echo "NETWORK_INTERFACE: $NETWORK_INTERFACE"
read -p "Is this correct? [yes/no]: " confirmation
if [[ $confirmation != [Yy]* ]]; then
echo "Exiting without changes."
exit
fi
# Split ADD_IP_ADDRESSES into an array
IFS=',' read -ra ADDR <<<"$ADD_IP_ADDRESSES"
# Initialize the interfaces file content
interfaces_content="
### Hetzner Online GmbH installimage
source /etc/network/interfaces.d/*
@ -16,63 +59,47 @@ auto lo
iface lo inet loopback
iface lo inet6 loopback
iface ${NETWORK_INTERFACE} inet manual
up ip route add -net up ip route add -net ${GATEWAYADRESS} netmask ${NETMASK} gw ${GATEWAYADRESS} vmbr0
up ip route add -net up ip route add -net ${GATEWAYADDRESS} netmask ${NETMASK} gw ${GATEWAYADDRESS} vmbr0
up sysctl -w net.ipv4.ip_forward=1
up sysctl -w net.ipv4.conf.${NETWORK_INTERFACE}.send_redirects=0
up sysctl -w net.ipv6.conf.all.forwarding=1
up ip route add 192.168.0.0/16 via ${ADD_IP_ADRESS} dev vmbr0
up ip route add 172.16.0.0/12 via ${ADD_IP_ADRESS} dev vmbr0
up ip route add 10.0.0.0/8 via ${ADD_IP_ADRESS} dev vmbr0
up ip route add 192.168.0.0/16 via ${ADDR[0]} dev vmbr0
up ip route add 172.16.0.0/12 via ${ADDR[0]} dev vmbr0
up ip route add 10.0.0.0/8 via ${ADDR[0]} dev vmbr0
iface ${NETWORK_INTERFACE} inet6 static
address 2a01:4f8:110:5143::2
netmask 64
gateway fe80::1
auto vmbr0
iface vmbr0 inet static
address ${MAINSERVERIP}
netmask 32
gateway ${GATEWAYADRESS}
gateway ${GATEWAYADDRESS}
broadcast ${BROADCASTIP}
bridge-ports ${NETWORK_INTERFACE}
bridge-stp off
bridge-fd 0
pointopoint ${GATEWAYADRESS}
pointopoint ${GATEWAYADDRESS}
#WAN
"
# Virtual switch for DMZ
# (connect your firewall/router KVM instance and private DMZ hosts here)
auto vmbr1
iface vmbr1 inet manual
bridge_ports none
bridge_stp off
bridge_fd 0
#LAN0
" >interfaces
cat interfaces
while true; do
read -p "Config correct? [yes][no]: " yn
case $yn in
[Yy]*)
echo ""
break
;;
[Nn]*) exit ;;
*) echo "Please answer yes or no." ;;
esac
# Append bridge interfaces for each additional IP
for i in "${!ADDR[@]}"; do
interfaces_content+=$(create_bridge_text "${ADDR[i]}" "$((i + 1))")
done
mv /etc/network/interfaces /etc/network/interfaces.old
mv interfaces /etc/network/interfaces
echo "$interfaces_content" >interfaces
echo "The network can be restarted with the following command: /etc/init.d/networking restart "
# Confirm before applying changes
read -p "Apply this network configuration? [yes/no]: " apply_conf
if [[ $apply_conf == [Yy]* ]]; then
mv /etc/network/interfaces /etc/network/interfaces.old
mv interfaces /etc/network/interfaces
echo "The network can be restarted with the following command: /etc/init.d/networking restart"
else
echo "Exiting without applying changes."
fi