add old script back and allow to use extended script

This commit is contained in:
Artem Lajko 2023-12-16 23:03:19 +01:00
parent 6a09695a5d
commit 74272172ad
2 changed files with 170 additions and 0 deletions

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@ -85,6 +85,8 @@ You'll need to request a MAC address for the IP address. This MAC address will b
## 4. Config Network ## 4. Config Network
**Note:** they are a newer version of the network configuration script in the folder `script` called `network_config_updated.sh` which has Multiple IP Address Support, User Confirmation Process, Dynamic Bridge Interface Creation and Improved User Interaction. You can see the whole change under the [pull request](https://github.com/la-cc/hetzner-proxmox-single/pull/3)
Clone this git repository and execute the script: Clone this git repository and execute the script:
./script/nework_config.sh ./script/nework_config.sh
@ -127,3 +129,13 @@ You will see the ADD-IP-Address. So SNAT is working and you can extend to config
Default credentials are set to **username:** **_admin_** with **password:** **_pfsense_**. Default credentials are set to **username:** **_admin_** with **password:** **_pfsense_**.
## **Finished, enjoy your Proxmox Environment!** ## **Finished, enjoy your Proxmox Environment!**
# Contribution
If you're eager to contribute to this script, feel free to fork the repository and submit a pull request. Your input is valued and always welcome!
Current Contributors:
@L-U-C-K-Y
@V-JobDone
@la-cc

158
script/network_config_updated.sh Executable file
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@ -0,0 +1,158 @@
#!/bin/bash
# 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}"
}
# Function to create bridge interface text for additional IP and internal bridges
create_bridge_text() {
local ip=$1
local bridge_id=$2
local mac_address=$3
local external_bridge_id=$bridge_id
local internal_bridge_id=$((bridge_id * 100))
# WAN bridge configuration with MAC address and public IP
local bridge_config="
auto vmbr${external_bridge_id}
iface vmbr${external_bridge_id} inet static
address ${ip}
netmask ${NETMASK}
bridge_ports none
bridge_stp off
bridge_fd 0
hwaddress ether ${mac_address}
#WAN ${external_bridge_id}
"
# LAN bridge configuration without an IP, as it's for internal network only
bridge_config+="
auto vmbr${internal_bridge_id}
iface vmbr${internal_bridge_id} inet manual
bridge_ports none
bridge_stp off
bridge_fd 0
#LAN ${internal_bridge_id}
"
echo "$bridge_config"
}
# 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=$(prompt_input "ADDITIONAL_IP_ADDRESSES (comma-separated)" "")
MAC_ADDRESSES=$(prompt_input "MAC_ADDRESSES for additional IPs (comma-separated)" "")
NETWORK_INTERFACE=$(prompt_input "NETWORK_INTERFACE" "eth0")
# Display inputs for confirmation
echo "---------------------------------------------------------------------"
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 "MAC_ADDRESSES: $MAC_ADDRESSES"
echo "NETWORK_INTERFACE: $NETWORK_INTERFACE"
echo "---------------------------------------------------------------------"
read -p "Is this correct? [yes/no]: " confirmation
if [[ $confirmation != [Yy]* ]]; then
echo "Exiting without changes."
exit
fi
# Split ADD_IP_ADDRESSES and MAC_ADDRESSES into arrays
IFS=',' read -ra ADDR <<<"$ADD_IP_ADDRESSES"
IFS=',' read -ra MACS <<<"$MAC_ADDRESSES"
# Generate dynamic routing rules
additional_routes=""
for add_ip in "${ADDR[@]}"; do
additional_routes+=" up ip route add $add_ip dev ${NETWORK_INTERFACE}
"
done
# Initialize the interfaces file content
interfaces_content="
### Hetzner Online GmbH installimage
source /etc/network/interfaces.d/*
auto lo
iface lo inet loopback
iface lo inet6 loopback
# Main network interface configuration
iface ${NETWORK_INTERFACE} inet manual
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
$additional_routes
up ip route add 192.168.0.0/16 via ${MAINSERVERIP} dev vmbr0
up ip route add 172.16.0.0/12 via ${MAINSERVERIP} dev vmbr0
up ip route add 10.0.0.0/8 via ${MAINSERVERIP} dev vmbr0
auto vmbr0
iface vmbr0 inet static
address ${MAINSERVERIP}
netmask 32
gateway ${GATEWAYADDRESS}
broadcast ${BROADCASTIP}
bridge-ports ${NETWORK_INTERFACE}
bridge-stp off
bridge-fd 0
pointopoint ${GATEWAYADDRESS}
#Main IP configuration
"
# Append bridge interfaces for each additional IP and MAC address and create internal bridges
for i in "${!ADDR[@]}"; do
# Increment bridge_id for each additional IP
bridge_id=$((i + 1))
interfaces_content+=$(create_bridge_text "${ADDR[i]}" "$bridge_id" "${MACS[i]}")
done
# Save the new configuration to a temporary file
echo "$interfaces_content" > /tmp/new_interfaces
# Display the current network configuration
echo "---------------------------------------------------------------------"
echo "Current network configuration (/etc/network/interfaces):"
cat /etc/network/interfaces
echo ""
# Display the new network configuration
echo "---------------------------------------------------------------------"
echo "New network configuration:"
cat /tmp/new_interfaces
echo ""
# Show the differences
echo "---------------------------------------------------------------------"
echo "Configuration differences:"
diff /etc/network/interfaces /tmp/new_interfaces
echo ""
# Confirm before applying changes
echo "---------------------------------------------------------------------"
read -p "Apply this network configuration? [yes/no]: " apply_conf
if [[ $apply_conf == [Yy]* ]]; then
timestamp=$(date +%Y%m%d-%H%M%S)
mv /etc/network/interfaces /etc/network/interfaces.bak-$timestamp
mv /tmp/new_interfaces /etc/network/interfaces
echo "The network can be restarted with the following command: '/etc/init.d/networking' restart or 'systemctl restart networking'"
else
echo "Exiting without applying changes."
rm /tmp/new_interfaces
fi