c39465c2bd
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Co-authored-by: Cursor <cursoragent@cursor.com>
287 lines
8.2 KiB
Bash
Executable File
287 lines
8.2 KiB
Bash
Executable File
#!/bin/bash
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# Validate Proxmox Network Setup Prerequisites
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# Checks system readiness for network configuration
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# Don't use set -e since we handle errors manually with pass/fail system
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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PASS_COUNT=0
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FAIL_COUNT=0
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WARN_COUNT=0
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pass() {
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echo -e "${GREEN}[PASS]${NC} $1"
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((PASS_COUNT++))
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}
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fail() {
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echo -e "${RED}[FAIL]${NC} $1"
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((FAIL_COUNT++))
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}
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warn() {
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echo -e "${YELLOW}[WARN]${NC} $1"
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((WARN_COUNT++))
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}
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info() {
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echo -e "${BLUE}[INFO]${NC} $1"
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}
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check_root() {
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info "Checking root access..."
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if [ "$EUID" -eq 0 ]; then
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pass "Running as root"
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else
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fail "Not running as root (required for network configuration)"
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fi
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}
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check_proxmox() {
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info "Checking Proxmox VE installation..."
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if command -v pveversion &> /dev/null; then
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PVE_VERSION=$(pveversion 2>&1 || echo "unknown")
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pass "Proxmox VE installed: $PVE_VERSION"
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else
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fail "Proxmox VE not found (pveversion command not available)"
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fi
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}
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get_interface_speed() {
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local iface=$1
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if command -v ethtool &>/dev/null; then
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local speed=$(ethtool "$iface" 2>/dev/null | grep -i "Speed:" | awk '{print $2}' | sed 's/[^0-9]//g')
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if [ -n "$speed" ]; then
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echo "$speed"
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return
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fi
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fi
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local speed=$(cat "/sys/class/net/$iface/speed" 2>/dev/null)
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if [ -n "$speed" ] && [ "$speed" != "-1" ]; then
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echo "$speed"
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return
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fi
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echo "unknown"
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}
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check_interfaces() {
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info "Checking physical network interfaces..."
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PHYSICAL_IFACES=()
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declare -A IFACE_SPEEDS
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for iface in /sys/class/net/*; do
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iface_name=$(basename "$iface")
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# Skip loopback, virtual interfaces, bridges, bonds, and VLANs
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if [[ "$iface_name" == "lo" ]] || \
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[[ -L "$iface/device" ]] && [[ ! -d "$iface/device" ]] || \
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[[ -d "$iface/bridge" ]] || \
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[[ -d "$iface/bonding" ]] || \
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[[ "$iface_name" =~ \. ]]; then
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continue
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fi
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if [ -d "$iface/device" ] || [ -L "$iface/device" ]; then
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PHYSICAL_IFACES+=("$iface_name")
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IFACE_SPEEDS["$iface_name"]=$(get_interface_speed "$iface_name")
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fi
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done
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IFS=$'\n' PHYSICAL_IFACES=($(sort <<<"${PHYSICAL_IFACES[*]}"))
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unset IFS
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if [ ${#PHYSICAL_IFACES[@]} -eq 0 ]; then
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fail "No physical interfaces detected"
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elif [ ${#PHYSICAL_IFACES[@]} -eq 1 ]; then
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fail "Only 1 physical interface detected (need at least 2)"
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info " Found: ${PHYSICAL_IFACES[*]}"
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else
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pass "Found ${#PHYSICAL_IFACES[@]} physical interface(s)"
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info " All interfaces and speeds:"
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for iface in "${PHYSICAL_IFACES[@]}"; do
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speed="${IFACE_SPEEDS[$iface]}"
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if [ "$speed" = "1000" ]; then
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info " $iface: 1 Gbps ⭐ (1 Gbps port)"
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elif [ "$speed" != "unknown" ] && [ -n "$speed" ]; then
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info " $iface: ${speed} Mbps"
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else
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info " $iface: speed unknown"
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fi
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done
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# Check for 1 Gbps interfaces
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GIGABIT_COUNT=0
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for iface in "${PHYSICAL_IFACES[@]}"; do
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if [ "${IFACE_SPEEDS[$iface]}" = "1000" ]; then
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((GIGABIT_COUNT++))
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fi
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done
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if [ $GIGABIT_COUNT -ge 2 ]; then
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pass "Found $GIGABIT_COUNT 1 Gbps interface(s) - will use these for vmbr0 and vmbr1"
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elif [ $GIGABIT_COUNT -eq 1 ]; then
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warn "Found only 1 1 Gbps interface - may need manual specification"
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else
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warn "No 1 Gbps interfaces detected (may need link for speed detection)"
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info " Script will use first two interfaces by default"
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fi
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fi
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}
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check_existing_bridges() {
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info "Checking existing bridges..."
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EXISTING_BRIDGES=$(ip link show type bridge 2>/dev/null | grep -oP '^\d+: \K[^:]+' || echo "")
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if [ -z "$EXISTING_BRIDGES" ]; then
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pass "No existing bridges found (clean setup)"
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else
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warn "Existing bridges detected:"
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echo "$EXISTING_BRIDGES" | while read bridge; do
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info " - $bridge"
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done
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if echo "$EXISTING_BRIDGES" | grep -q "vmbr0\|vmbr1"; then
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warn "vmbr0 or vmbr1 already exists - configuration will modify them"
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fi
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fi
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}
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check_dhcp_clients() {
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info "Checking DHCP client availability..."
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if command -v dhclient &> /dev/null; then
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pass "dhclient found: $(dhclient --version 2>&1 | head -1)"
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elif command -v dhcpcd &> /dev/null; then
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pass "dhcpcd found: $(dhcpcd --version 2>&1 | head -1)"
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else
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warn "No DHCP client found (dhclient or dhcpcd) - DHCP may not work"
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fi
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}
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check_network_tools() {
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info "Checking network management tools..."
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if command -v ifup &> /dev/null && command -v ifdown &> /dev/null; then
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pass "ifupdown tools available"
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else
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fail "ifupdown tools not found (required for network configuration)"
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fi
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if command -v ifreload &> /dev/null; then
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pass "ifreload command available"
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else
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warn "ifreload command not found (may need to use ifup/ifdown instead)"
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fi
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}
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check_network_service() {
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info "Checking network service status..."
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if systemctl is-active --quiet networking 2>/dev/null; then
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pass "Networking service is active"
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elif systemctl is-active --quiet NetworkManager 2>/dev/null; then
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warn "NetworkManager is active (may conflict with ifupdown configuration)"
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else
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warn "Network service status unclear"
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fi
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}
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check_config_backup() {
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info "Checking if configuration backup exists..."
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BACKUP_COUNT=$(ls -1 /etc/network/interfaces.backup.* 2>/dev/null | wc -l)
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if [ "$BACKUP_COUNT" -gt 0 ]; then
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info " Found $BACKUP_COUNT backup file(s)"
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pass "Backup files exist"
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else
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info " No existing backups found (will be created during configuration)"
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pass "Ready to create backups"
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fi
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}
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show_system_info() {
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info "System Information:"
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echo " Hostname: $(hostname)"
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echo " OS: $(lsb_release -d 2>/dev/null | cut -f2 || cat /etc/os-release | grep PRETTY_NAME | cut -d'"' -f2)"
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echo " Kernel: $(uname -r)"
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# Try to detect server model
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if [ -f /sys/class/dmi/id/product_name ]; then
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VENDOR=$(cat /sys/class/dmi/id/sys_vendor 2>/dev/null || echo "Unknown")
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PRODUCT=$(cat /sys/class/dmi/id/product_name 2>/dev/null || echo "Unknown")
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echo " Server: $VENDOR $PRODUCT"
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fi
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}
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show_current_network() {
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info "Current Network Configuration:"
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echo ""
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echo "=== Interfaces ==="
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ip link show | grep -E "^[0-9]+:" | sed 's/^/ /'
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echo ""
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echo "=== IP Addresses ==="
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ip addr show | grep -E "^[0-9]+:|inet " | sed 's/^/ /'
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echo ""
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echo "=== Routes ==="
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ip route show | sed 's/^/ /'
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}
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main() {
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echo "========================================="
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echo "Proxmox Network Setup Validation"
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echo "========================================="
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echo ""
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show_system_info
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echo ""
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check_root
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check_proxmox
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check_interfaces
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check_existing_bridges
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check_dhcp_clients
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check_network_tools
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check_network_service
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check_config_backup
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echo ""
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echo "========================================="
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echo "Validation Summary"
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echo "========================================="
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echo -e "${GREEN}Passed:${NC} $PASS_COUNT"
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echo -e "${YELLOW}Warnings:${NC} $WARN_COUNT"
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echo -e "${RED}Failed:${NC} $FAIL_COUNT"
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echo ""
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if [ $FAIL_COUNT -eq 0 ]; then
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if [ $WARN_COUNT -eq 0 ]; then
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echo -e "${GREEN}✓ System is ready for network configuration${NC}"
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exit 0
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else
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echo -e "${YELLOW}⚠ System is ready but has warnings (review above)${NC}"
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exit 0
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fi
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else
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echo -e "${RED}✗ System is not ready (fix failures above)${NC}"
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exit 1
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fi
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}
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# If --show-network flag is provided, show current network config
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if [[ "$1" == "--show-network" ]]; then
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show_current_network
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exit 0
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fi
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main "$@"
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