Create repair_network_safe.sh

This commit is contained in:
MacRimi 2025-04-30 15:17:49 +02:00
parent 756eb8e741
commit 6fb05ffea8

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@ -0,0 +1,194 @@
#!/bin/bash
# ==========================================================
# ProxMenu - A menu-driven script for Proxmox VE management
# ==========================================================
# Author : MacRimi
# Copyright : (c) 2024 MacRimi
# License : MIT
# Version : 1.1
# Last Updated: 30/04/2025
# ==========================================================
# Description:
# This script allows users to repair or verify network configuration in Proxmox.
# It avoids making changes if the system is already connected to the internet.
# ==========================================================
REPO_URL="https://raw.githubusercontent.com/MacRimi/ProxMenux/main"
BASE_DIR="/usr/local/share/proxmenux"
UTILS_FILE="$BASE_DIR/utils.sh"
VENV_PATH="/opt/googletrans-env"
if [[ -f "$UTILS_FILE" ]]; then
source "$UTILS_FILE"
fi
load_language
initialize_cache
detect_physical_interfaces() {
physical_interfaces=$(ip -o link show | awk -F': ' '$2 !~ /^(lo|veth|dummy|bond|tap|fw|vmbr|br)/ {print $2}')
whiptail --title "$(translate 'Network Interfaces')" --msgbox "$physical_interfaces" 10 78
}
get_relevant_interfaces() {
echo $(ip -o link show | awk -F': ' '$2 !~ /^(lo|veth|dummy)/ {print $2}')
}
check_and_fix_bridges() {
local output=""
output+="$(translate 'Checking bridges')\n\n"
bridges=$(grep "^auto vmbr" /etc/network/interfaces | awk '{print $2}')
for bridge in $bridges; do
old_port=$(grep -A1 "iface $bridge" /etc/network/interfaces | grep "bridge-ports" | awk '{print $2}')
if ! ip link show "$old_port" &>/dev/null; then
output+="$(translate 'Bridge port missing'): $bridge - $old_port\n"
new_port=$(whiptail --title "$(translate 'Missing Port Detected')" --menu "$(translate 'The bridge') $bridge $(translate 'is using a missing port') ($old_port).\n\n$(translate 'Select a replacement interface:')" 20 60 10 $(echo "$physical_interfaces" | tr ' ' '\n' | grep -v "vmbr" | awk '{print $1 " " $1}') 3>&1 1>&2 2>&3)
if [ -n "$new_port" ]; then
sed -i "/iface $bridge/,/bridge-ports/ s/bridge-ports.*/bridge-ports $new_port/" /etc/network/interfaces
output+="$(translate 'Bridge port updated'): $bridge - $old_port -> $new_port\n"
else
output+="$(translate 'No replacement selected. Skipping update for') $bridge\n"
fi
else
output+="$(translate 'Bridge port OK'): $bridge - $old_port\n"
fi
done
whiptail --title "$(translate 'Checking Bridges')" --msgbox "$output" 20 78
}
clean_nonexistent_interfaces() {
local output=""
output+="$(translate 'Cleaning interfaces')\n\n"
configured_interfaces=$(grep "^iface" /etc/network/interfaces | awk '{print $2}' | grep -v "lo")
for iface in $configured_interfaces; do
if [[ ! $iface =~ ^(vmbr|bond) ]] && ! ip link show "$iface" &>/dev/null; then
sed -i "/iface $iface/,/^$/d" /etc/network/interfaces
output+="$(translate 'Interface removed'): $iface\n"
fi
done
whiptail --title "$(translate 'Cleaning Interfaces')" --msgbox "$output" 15 78
}
configure_physical_interfaces() {
local output=""
output+="$(translate 'Configuring interfaces')\n\n"
for iface in $physical_interfaces; do
if ! grep -q "iface $iface" /etc/network/interfaces; then
echo -e "\niface $iface inet manual" >> /etc/network/interfaces
output+="$(translate 'Interface added'): $iface\n"
fi
done
whiptail --title "$(translate 'Configuring Interfaces')" --msgbox "$output" 15 78
}
restart_networking() {
if (whiptail --title "$(translate 'Restarting Network')" --yesno "$(translate 'Do you want to restart the network service?')" 10 60); then
clear
msg_info "$(translate 'The network service is about to restart. You may experience a brief disconnection.')"
systemctl restart networking
if [ $? -eq 0 ]; then
msg_ok "$(translate 'Network service restarted successfully')"
else
msg_error "$(translate 'Failed to restart network service')"
fi
else
msg_ok "$(translate 'Network restart canceled')"
fi
}
check_network_connectivity() {
if ping -c 4 8.8.8.8 &> /dev/null; then
msg_ok "$(translate 'Network connectivity OK')"
return 0
else
msg_error "$(translate 'Network connectivity failed')"
return 1
fi
}
show_ip_info() {
whiptail --title "$(translate 'IP Information')" --infobox "$(translate 'Gathering IP information...')" 8 78
local ip_info=""
ip_info+="$(translate 'IP Information')\n\n"
local interfaces=$(get_relevant_interfaces)
for interface in $interfaces; do
local interface_ip=$(ip -4 addr show $interface 2>/dev/null | grep -oP '(?<=inet\s)\d+(\.\d+){3}')
if [ -n "$interface_ip" ]; then
ip_info+="$interface: $interface_ip\n"
else
ip_info+="$interface: $(translate 'No IP assigned')\n"
fi
done
whiptail --title "$(translate 'Result')" --msgbox "${ip_info}\n\n$(translate 'IP information gathering completed')\n\n$(translate 'Press Enter to continue')" 20 78
}
repair_network() {
if check_network_connectivity; then
msg_ok "$(translate 'Network is already working. No repair needed.')"
whiptail --title "$(translate 'Network Status')" --msgbox "$(translate 'Network is already connected. No action will be taken.')" 10 78
return
fi
whiptail --title "$(translate 'Network Repair Started')" --infobox "$(translate 'Repairing network...')" 8 78
echo -ne "${TAB}${YW}-$(translate 'Repairing network...') ${CL}"
sleep 3
detect_physical_interfaces
clean_nonexistent_interfaces
check_and_fix_bridges
configure_physical_interfaces
restart_networking
if check_network_connectivity; then
show_ip_info
msg_ok "$(translate 'Network repair completed successfully')"
else
msg_error "$(translate 'Network repair failed')"
fi
whiptail --title "$(translate 'Result')" --msgbox "$(translate 'Repair process completed')\n\n$(translate 'Press Enter to continue')" 10 78
}
verify_network() {
whiptail --title "$(translate 'Network Verification Started')" --infobox "$(translate 'Verifying network...')" 8 78
echo -ne "${TAB}${YW}-$(translate 'Verifying network...') ${CL}"
detect_physical_interfaces
show_ip_info
if check_network_connectivity; then
msg_ok "$(translate 'Network verification completed successfully')"
else
msg_error "$(translate 'Network verification failed')"
fi
whiptail --title "$(translate 'Result')" --msgbox "$(translate 'Verification process completed')\n\n$(translate 'Press Enter to continue')" 10 78
}
show_main_menu() {
while true; do
OPTION=$(whiptail --title "$(translate 'Network Repair Menu')" --menu "$(translate 'Choose an option:')" 15 60 4 \
"1" "$(translate 'Repair Network')" \
"2" "$(translate 'Verify Network')" \
"3" "$(translate 'Show IP Information')" \
"4" "$(translate "Return to Main Menu")" 3>&1 1>&2 2>&3)
case $OPTION in
1) repair_network ;;
2) verify_network ;;
3) show_ip_info ;;
4) exec bash <(curl -s "$REPO_URL/scripts/menus/main_menu.sh") ;;
*) exec bash <(curl -s "$REPO_URL/scripts/menus/main_menu.sh") ;;
esac
done
}
clear
show_proxmenux_logo
show_main_menu