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proxmox/scripts/fix-proxmox-hostname-resolution.sh
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2026-01-06 01:46:25 -08:00

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#!/bin/bash
# Fix hostname resolution issues on pve and pve2
# The issue: pve-cluster cannot resolve hostname to non-loopback IP
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'
log_info() { echo -e "${BLUE}[INFO]${NC} $1"; }
log_success() { echo -e "${GREEN}[✓]${NC} $1"; }
log_warn() { echo -e "${YELLOW}[⚠]${NC} $1"; }
log_error() { echo -e "${RED}[✗]${NC} $1"; }
# Host configuration
declare -A HOSTS
HOSTS[pve]="192.168.11.11:password:pve:r630-01"
HOSTS[pve2]="192.168.11.12:password:pve2:r630-02"
fix_host() {
local hostname="$1"
local ip="${HOSTS[$hostname]%%:*}"
local password="${HOSTS[$hostname]#*:}"
password="${password%%:*}"
local current_hostname="${HOSTS[$hostname]#*:*:}"
current_hostname="${current_hostname%%:*}"
local correct_hostname="${HOSTS[$hostname]##*:}"
log_info "=== Fixing ${hostname} (${ip}) ==="
echo ""
sshpass -p "$password" ssh -o StrictHostKeyChecking=no root@"$ip" bash <<ENDSSH
set -e
echo "=== Current Configuration ==="
echo "Hostname: \$(hostname)"
echo "IP Address: ${ip}"
echo ""
echo "=== Current /etc/hosts ==="
cat /etc/hosts
echo ""
echo "=== Fixing /etc/hosts ==="
# Backup
cp /etc/hosts /etc/hosts.backup.\$(date +%Y%m%d_%H%M%S)
# Remove any existing entries for this hostname and IP
sed -i "/${ip}/d" /etc/hosts
sed -i "/${current_hostname}/d" /etc/hosts
sed -i "/${correct_hostname}/d" /etc/hosts
# Add correct entry - hostname must resolve to non-loopback IP
echo "${ip} ${current_hostname} ${current_hostname}.sankofa.nexus ${correct_hostname} ${correct_hostname}.sankofa.nexus" >> /etc/hosts
echo "=== Updated /etc/hosts ==="
cat /etc/hosts
echo ""
echo "=== Testing hostname resolution ==="
getent hosts ${current_hostname} || echo "Resolution failed"
getent hosts ${ip} || echo "Reverse resolution failed"
echo ""
echo "=== Verifying IP is not loopback ==="
resolved_ip=\$(getent hosts ${current_hostname} | awk '{print \$1}')
if [[ "\$resolved_ip" == "${ip}" ]]; then
echo "SUCCESS: Hostname resolves to correct IP (${ip})"
else
echo "WARNING: Hostname resolves to: \$resolved_ip (expected ${ip})"
fi
echo ""
ENDSSH
echo ""
log_info "Attempting to start pve-cluster service..."
sshpass -p "$password" ssh -o StrictHostKeyChecking=no root@"$ip" bash <<'ENDSSH'
systemctl start pve-cluster || {
echo "Still failing, checking logs..."
journalctl -u pve-cluster --no-pager -n 5
}
sleep 2
systemctl status pve-cluster --no-pager -l | head -15 || true
ENDSSH
echo ""
log_success "Fix complete for ${hostname}"
echo "----------------------------------------"
echo ""
}
# Fix both hosts
fix_host "pve"
fix_host "pve2"
log_success "All hostname resolution fixes complete!"
log_info "Now try running the SSL/cluster fix script again:"
log_info " ./scripts/fix-proxmox-ssl-cluster.sh both"