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