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proxmox/scripts/install-nginx-rpc.sh

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#!/usr/bin/env bash
# Install and configure Nginx on RPC containers (2500-2502) with SSL on port 443
# Usage: ./install-nginx-rpc.sh [vmid1] [vmid2] [vmid3]
# If no VMIDs provided, defaults to 2500, 2501, 2502
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROXMOX_HOST="${PROXMOX_HOST:-192.168.11.10}"
# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color
info() { echo -e "${GREEN}[INFO]${NC} $1"; }
warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
error() { echo -e "${RED}[ERROR]${NC} $1"; }
# Get VMIDs (default to 2500-2502)
if [[ $# -eq 0 ]]; then
VMIDS=(2500 2501 2502)
else
VMIDS=("$@")
fi
# RPC container mapping
declare -A RPC_IPS=(
[2500]="192.168.11.250"
[2501]="192.168.11.251"
[2502]="192.168.11.252"
)
declare -A RPC_HOSTNAMES=(
[2500]="besu-rpc-1"
[2501]="besu-rpc-2"
[2502]="besu-rpc-3"
)
# Domain mappings for each container
declare -A RPC_HTTP_DOMAINS=(
[2501]="rpc-http-pub.d-bis.org"
[2502]="rpc-http-prv.d-bis.org"
)
declare -A RPC_WS_DOMAINS=(
[2501]="rpc-ws-pub.d-bis.org"
[2502]="rpc-ws-prv.d-bis.org"
)
info "Installing Nginx on RPC containers..."
info "Proxmox Host: $PROXMOX_HOST"
info "Containers: ${VMIDS[*]}"
echo ""
# Function to install Nginx on a container
install_nginx_on_container() {
local vmid=$1
local ip="${RPC_IPS[$vmid]}"
local hostname="${RPC_HOSTNAMES[$vmid]}"
local http_domain="${RPC_HTTP_DOMAINS[$vmid]:-}"
local ws_domain="${RPC_WS_DOMAINS[$vmid]:-}"
echo "=========================================="
info "Processing VMID $vmid ($hostname - $ip)"
echo "=========================================="
# Check if container is running
STATUS=$(ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no root@${PROXMOX_HOST} \
"pct status $vmid 2>/dev/null | awk '{print \$2}'" 2>/dev/null || echo "unknown")
if [[ "$STATUS" != "running" ]]; then
warn "Container $vmid is not running (status: $STATUS), skipping..."
return 1
fi
# Check if Nginx is already installed
if ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no root@${PROXMOX_HOST} \
"pct exec $vmid -- which nginx >/dev/null 2>&1"; then
warn "Nginx is already installed on VMID $vmid"
read -p "Reinstall/update configuration? (y/N): " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
info "Skipping VMID $vmid"
return 0
fi
fi
# Install Nginx
info "Installing Nginx on VMID $vmid..."
ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no root@${PROXMOX_HOST} \
"pct exec $vmid -- bash -c '
export DEBIAN_FRONTEND=noninteractive
apt-get update -qq
apt-get install -y -qq nginx openssl
'" || {
error "Failed to install Nginx on VMID $vmid"
return 1
}
info "✓ Nginx installed"
# Generate self-signed SSL certificate (or use Let's Encrypt later)
info "Generating SSL certificate..."
# Use first domain if available, otherwise use hostname
local cert_cn="${http_domain:-$hostname}"
ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no root@${PROXMOX_HOST} \
"pct exec $vmid -- bash -c '
mkdir -p /etc/nginx/ssl
openssl req -x509 -nodes -days 3650 -newkey rsa:2048 \\
-keyout /etc/nginx/ssl/rpc.key \\
-out /etc/nginx/ssl/rpc.crt \\
-subj \"/CN=$cert_cn/O=RPC Node/C=US\" 2>/dev/null
chmod 600 /etc/nginx/ssl/rpc.key
chmod 644 /etc/nginx/ssl/rpc.crt
'" || {
error "Failed to generate SSL certificate"
return 1
}
info "✓ SSL certificate generated for $cert_cn"
# Create Nginx configuration
info "Creating Nginx configuration..."
# Build server_name list
local server_names="$hostname $ip"
if [[ -n "$http_domain" ]]; then
server_names="$server_names $http_domain"
fi
if [[ -n "$ws_domain" ]]; then
server_names="$server_names $ws_domain"
fi
ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no root@${PROXMOX_HOST} \
"pct exec $vmid -- bash" <<EOF
cat > /etc/nginx/sites-available/rpc <<NGINX_CONFIG
# HTTP to HTTPS redirect
server {
listen 80;
listen [::]:80;
server_name $server_names;
# Redirect all HTTP to HTTPS
return 301 https://\$host\$request_uri;
}
# HTTPS server - HTTP RPC API (for rpc-http-*.d-bis.org)
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
server_name ${http_domain:-$hostname} $hostname $ip;
# SSL configuration
ssl_certificate /etc/nginx/ssl/rpc.crt;
ssl_certificate_key /etc/nginx/ssl/rpc.key;
ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers HIGH:!aNULL:!MD5;
ssl_prefer_server_ciphers on;
# Security headers
add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
add_header X-Frame-Options "SAMEORIGIN" always;
add_header X-Content-Type-Options "nosniff" always;
add_header X-XSS-Protection "1; mode=block" always;
# Logging
access_log /var/log/nginx/rpc-http-access.log;
error_log /var/log/nginx/rpc-http-error.log;
# Increase timeouts for RPC calls
proxy_connect_timeout 300s;
proxy_send_timeout 300s;
proxy_read_timeout 300s;
send_timeout 300s;
# HTTP RPC endpoint
location / {
proxy_pass http://127.0.0.1:8545;
proxy_http_version 1.1;
# Headers
proxy_set_header Host \$host;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto \$scheme;
proxy_set_header Connection "";
# Buffer settings
proxy_buffering off;
proxy_request_buffering off;
}
# Health check endpoint
location /health {
access_log off;
return 200 "healthy\n";
add_header Content-Type text/plain;
}
}
# HTTPS server - WebSocket RPC API (for rpc-ws-*.d-bis.org)
$(if [[ -n "$ws_domain" ]]; then echo "server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
server_name $ws_domain;"; fi)
# SSL configuration
ssl_certificate /etc/nginx/ssl/rpc.crt;
ssl_certificate_key /etc/nginx/ssl/rpc.key;
ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers HIGH:!aNULL:!MD5;
ssl_prefer_server_ciphers on;
# Security headers
add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
add_header X-Frame-Options "SAMEORIGIN" always;
add_header X-Content-Type-Options "nosniff" always;
add_header X-XSS-Protection "1; mode=block" always;
# Logging
access_log /var/log/nginx/rpc-ws-access.log;
error_log /var/log/nginx/rpc-ws-error.log;
# WebSocket RPC endpoint
location / {
proxy_pass http://127.0.0.1:8546;
proxy_http_version 1.1;
proxy_set_header Upgrade \$http_upgrade;
proxy_set_header Connection "upgrade";
proxy_set_header Host \$host;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto \$scheme;
proxy_read_timeout 86400;
proxy_send_timeout 86400;
}
# Health check endpoint
location /health {
access_log off;
return 200 "healthy\n";
add_header Content-Type text/plain;
}
}
$(if [[ -n "$ws_domain" ]]; then echo ""; fi)
NGINX_CONFIG
# Enable the site
ln -sf /etc/nginx/sites-available/rpc /etc/nginx/sites-enabled/
rm -f /etc/nginx/sites-enabled/default
# Test configuration
nginx -t
# Reload Nginx
systemctl enable nginx
systemctl restart nginx
EOF
if [[ $? -eq 0 ]]; then
info "✓ Nginx configured and started"
else
error "Failed to configure Nginx"
return 1
fi
# Verify Nginx is running
if ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no root@${PROXMOX_HOST} \
"pct exec $vmid -- systemctl is-active nginx >/dev/null 2>&1"; then
info "✓ Nginx service is active"
else
error "Nginx service is not active"
return 1
fi
# Check if port 443 is listening
if ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no root@${PROXMOX_HOST} \
"pct exec $vmid -- ss -tuln | grep -q ':443'"; then
info "✓ Port 443 is listening"
else
warn "Port 443 may not be listening"
fi
echo ""
return 0
}
# Install on each container
SUCCESS=0
FAILED=0
for vmid in "${VMIDS[@]}"; do
if install_nginx_on_container "$vmid"; then
((SUCCESS++))
else
((FAILED++))
fi
echo ""
done
# Summary
echo "=========================================="
info "Installation Summary:"
echo " Success: $SUCCESS"
echo " Failed: $FAILED"
echo " Total: ${#VMIDS[@]}"
echo "=========================================="
if [[ $FAILED -gt 0 ]]; then
exit 1
fi
info "Nginx installation complete!"
echo ""
info "Next steps:"
echo " 1. Test HTTPS: curl -k https://<container-ip>:443"
echo " 2. Test RPC: curl -k -X POST https://<container-ip>:443 -H 'Content-Type: application/json' -d '{\"jsonrpc\":\"2.0\",\"method\":\"eth_blockNumber\",\"params\":[],\"id\":1}'"
echo " 3. Replace self-signed certificate with Let's Encrypt if needed"
echo " 4. Configure DNS records to point to container IPs"