278 lines
8.8 KiB
Bash
278 lines
8.8 KiB
Bash
#!/bin/bash
|
|
# install.sh - Automated deployment of Proxy Server with Tailscale + Traefik v3 + Fail2ban
|
|
# Usage: curl -fsSL https://gitea.arnodo.fr/Damien/infra-scripts/raw/branch/main/proxy/install.sh | bash
|
|
|
|
set -euo pipefail
|
|
|
|
# Colors for logging
|
|
RED='\033[0;31m'
|
|
GREEN='\033[0;32m'
|
|
YELLOW='\033[1;33m'
|
|
NC='\033[0m'
|
|
|
|
log_info() { echo -e "${GREEN}[INFO]${NC} $1"; }
|
|
log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
|
|
log_error() { echo -e "${RED}[ERROR]${NC} $1"; }
|
|
|
|
# Pre-flight checks
|
|
check_root() {
|
|
if [[ $EUID -eq 0 ]]; then
|
|
log_error "Do not run as root directly. Use a user with sudo privileges."
|
|
exit 1
|
|
fi
|
|
if ! sudo -v; then
|
|
log_error "User must have sudo privileges."
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
check_debian() {
|
|
if ! grep -qi debian /etc/os-release 2>/dev/null; then
|
|
log_warn "This script is optimized for Debian. Continuing anyway..."
|
|
fi
|
|
}
|
|
|
|
# Configuration variables (can be overridden via environment)
|
|
HOSTNAME="${PROXY_HOSTNAME:-proxy}"
|
|
TRAEFIK_DIR="$HOME/traefik"
|
|
TIMEZONE="${TZ:-Europe/Paris}"
|
|
|
|
# INFOMANIAK_ACCESS_TOKEN must be set in the environment or will be prompted.
|
|
# WARNING: Without this token, Traefik cannot issue certificates via DNS challenge.
|
|
# Export it before running: export INFOMANIAK_ACCESS_TOKEN=your_token_here
|
|
INFOMANIAK_ACCESS_TOKEN="${INFOMANIAK_ACCESS_TOKEN:-}"
|
|
|
|
main() {
|
|
log_info "=== Proxy Server Deployment (Traefik v3) ==="
|
|
|
|
check_root
|
|
check_debian
|
|
|
|
# Prompt for token if not set
|
|
if [[ -z "$INFOMANIAK_ACCESS_TOKEN" ]]; then
|
|
log_warn "INFOMANIAK_ACCESS_TOKEN is not set in the environment."
|
|
read -rsp "Enter your Infomaniak API token: " INFOMANIAK_ACCESS_TOKEN
|
|
echo
|
|
if [[ -z "$INFOMANIAK_ACCESS_TOKEN" ]]; then
|
|
log_error "Token is required for DNS challenge certificate issuance. Aborting."
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
log_info "Setting hostname to: $HOSTNAME"
|
|
echo "$HOSTNAME" | sudo tee /etc/hostname > /dev/null
|
|
sudo hostnamectl set-hostname "$HOSTNAME"
|
|
|
|
log_info "Installing base packages..."
|
|
sudo apt update -qq
|
|
sudo apt install -y -qq vim ca-certificates curl gnupg lsb-release fail2ban unattended-upgrades at ufw > /dev/null
|
|
|
|
log_info "Installing Tailscale..."
|
|
curl -fsSL https://tailscale.com/install.sh | sh
|
|
|
|
log_info "Connecting to Tailscale..."
|
|
sudo tailscale up --ssh --advertise-exit-node
|
|
|
|
log_info "Configuring sysctl for exit-node support..."
|
|
echo 'net.ipv4.ip_forward = 1' | sudo tee /etc/sysctl.d/99-tailscale.conf > /dev/null
|
|
echo 'net.ipv6.conf.all.forwarding = 1' | sudo tee -a /etc/sysctl.d/99-tailscale.conf > /dev/null
|
|
sudo sysctl -p /etc/sysctl.d/99-tailscale.conf > /dev/null
|
|
|
|
log_info "Installing Docker..."
|
|
sudo mkdir -m 0755 -p /etc/apt/keyrings
|
|
curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
|
|
echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
|
|
sudo apt update -qq
|
|
sudo apt install -y -qq docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin > /dev/null
|
|
|
|
log_info "Adding current user to docker group..."
|
|
sudo usermod -aG docker "$USER"
|
|
|
|
log_info "Configuring UFW firewall..."
|
|
sudo ufw --force reset > /dev/null
|
|
sudo ufw default deny incoming > /dev/null
|
|
sudo ufw default allow outgoing > /dev/null
|
|
# Allow HTTP/HTTPS from the public internet (handled by Traefik)
|
|
sudo ufw allow 80/tcp > /dev/null
|
|
sudo ufw allow 443/tcp > /dev/null
|
|
# Allow all traffic on Tailscale interface (dashboard, metrics, SSH, admin — everything internal)
|
|
sudo ufw allow in on tailscale0 > /dev/null
|
|
# Port 22 is intentionally NOT opened publicly; Tailscale SSH covers management access
|
|
sudo ufw --force enable > /dev/null
|
|
|
|
log_info "Creating Traefik stack under $TRAEFIK_DIR..."
|
|
mkdir -p "$TRAEFIK_DIR/conf.d"
|
|
|
|
# acme.json must be 600 or Traefik refuses to use it
|
|
touch "$TRAEFIK_DIR/acme.json"
|
|
chmod 600 "$TRAEFIK_DIR/acme.json"
|
|
|
|
# Host log directory (mounted into container so Fail2ban can parse access logs)
|
|
sudo mkdir -p /var/log/traefik
|
|
sudo chown "$USER":"$USER" /var/log/traefik
|
|
|
|
# Write .env so the token survives reboots without embedding it in compose
|
|
cat > "$TRAEFIK_DIR/.env" << EOF
|
|
INFOMANIAK_ACCESS_TOKEN=${INFOMANIAK_ACCESS_TOKEN}
|
|
EOF
|
|
chmod 600 "$TRAEFIK_DIR/.env"
|
|
|
|
# --- docker-compose.yml ---
|
|
cat > "$TRAEFIK_DIR/docker-compose.yml" << 'EOF'
|
|
services:
|
|
traefik:
|
|
image: traefik:v3
|
|
container_name: traefik
|
|
restart: unless-stopped
|
|
ports:
|
|
- "80:80"
|
|
- "443:443"
|
|
# Dashboard bound to localhost only; exposed via Tailscale serve
|
|
- "127.0.0.1:8080:8080"
|
|
volumes:
|
|
- ./traefik.yml:/etc/traefik/traefik.yml:ro
|
|
- ./conf.d:/etc/traefik/conf.d:ro
|
|
- ./acme.json:/acme.json
|
|
- /var/log/traefik:/var/log/traefik
|
|
- /etc/localtime:/etc/localtime:ro
|
|
environment:
|
|
- INFOMANIAK_ACCESS_TOKEN=${INFOMANIAK_ACCESS_TOKEN}
|
|
|
|
fail2ban-exporter:
|
|
image: hectorjsmith/fail2ban-prometheus-exporter:latest
|
|
container_name: fail2ban-exporter
|
|
restart: unless-stopped
|
|
ports:
|
|
# Metrics reachable only via Tailscale (127.0.0.1 binding + UFW blocks public access)
|
|
- "127.0.0.1:9191:9191"
|
|
volumes:
|
|
- /var/run/fail2ban/fail2ban.sock:/var/run/fail2ban/fail2ban.sock
|
|
EOF
|
|
|
|
# --- traefik.yml (static config) ---
|
|
cat > "$TRAEFIK_DIR/traefik.yml" << 'EOF'
|
|
entryPoints:
|
|
web:
|
|
address: ":80"
|
|
http:
|
|
redirections:
|
|
entryPoint:
|
|
to: websecure
|
|
scheme: https
|
|
|
|
websecure:
|
|
address: ":443"
|
|
|
|
traefik:
|
|
address: ":8080"
|
|
|
|
certificatesResolvers:
|
|
infomaniak:
|
|
acme:
|
|
storage: /acme.json
|
|
dnsChallenge:
|
|
provider: infomaniak
|
|
|
|
providers:
|
|
file:
|
|
directory: /etc/traefik/conf.d
|
|
watch: true
|
|
|
|
metrics:
|
|
prometheus:
|
|
addEntryPointsLabels: true
|
|
addServicesLabels: true
|
|
addRoutersLabels: true
|
|
entryPoint: traefik
|
|
|
|
api:
|
|
dashboard: true
|
|
insecure: true
|
|
|
|
accessLog:
|
|
filePath: /var/log/traefik/access.log
|
|
format: json
|
|
EOF
|
|
|
|
# --- conf.d/gitea.yml (dynamic config) ---
|
|
cat > "$TRAEFIK_DIR/conf.d/gitea.yml" << 'EOF'
|
|
http:
|
|
routers:
|
|
gitea:
|
|
rule: "Host(`gitea.arnodo.fr`)"
|
|
entryPoints:
|
|
- websecure
|
|
service: gitea
|
|
tls:
|
|
certResolver: infomaniak
|
|
|
|
services:
|
|
gitea:
|
|
loadBalancer:
|
|
servers:
|
|
- url: "http://gitea.taila5ad8.ts.net:3000"
|
|
EOF
|
|
|
|
log_info "Starting Traefik stack..."
|
|
# Use sg to apply the docker group without requiring a re-login
|
|
sg docker -c "docker compose -f $TRAEFIK_DIR/docker-compose.yml up -d"
|
|
|
|
log_info "Exposing Traefik dashboard via Tailscale serve..."
|
|
sudo tailscale serve --bg http://localhost:8080
|
|
|
|
log_info "Configuring MOTD..."
|
|
sudo chmod -x /etc/update-motd.d/* 2>/dev/null || true
|
|
|
|
cat << 'MOTD' | sudo tee /etc/update-motd.d/00-proxy > /dev/null
|
|
#!/bin/bash
|
|
TS_FQDN=$(tailscale status --json 2>/dev/null | awk -F'"' '
|
|
/"Self"/ { in_self=1 }
|
|
in_self && /"DNSName"/ { gsub(/\.$/, "", $4); print $4; exit }
|
|
')
|
|
[[ -z "$TS_FQDN" ]] && TS_FQDN="$(hostname).ts.net"
|
|
|
|
echo ""
|
|
echo " ____ ____ _____ ____ __"
|
|
echo "| _ \| _ \ / _ \ \/ /\ \ / /"
|
|
echo "| |_) | |_) | | | \ / \ V /"
|
|
echo "| __/| _ <| |_| / \ | |"
|
|
echo "|_| |_| \_\\___/_/\_\ |_|"
|
|
echo ""
|
|
echo "Traefik v3 Reverse Proxy"
|
|
echo "─────────────────────────────────────────"
|
|
echo "Access:"
|
|
echo " • Dashboard : https://${TS_FQDN} (Tailscale)"
|
|
echo " • HTTP/HTTPS: Public ports 80/443"
|
|
echo ""
|
|
echo "Services:"
|
|
docker ps --format ' • {{.Names}} : {{.Status}}' 2>/dev/null || echo " Docker not running"
|
|
echo ""
|
|
echo "Useful commands:"
|
|
echo " cd ~/traefik && docker compose logs -f"
|
|
echo " sudo tailscale serve status"
|
|
echo "─────────────────────────────────────────"
|
|
echo ""
|
|
MOTD
|
|
sudo chmod +x /etc/update-motd.d/00-proxy
|
|
|
|
TS_FQDN=$(tailscale status --json 2>/dev/null | awk -F'"' '
|
|
/"Self"/ { in_self=1 }
|
|
in_self && /"DNSName"/ { gsub(/\.$/, "", $4); print $4; exit }
|
|
' || echo "${HOSTNAME}.ts.net")
|
|
|
|
echo ""
|
|
log_info "=========================================="
|
|
log_info "Deployment complete!"
|
|
log_info "=========================================="
|
|
echo ""
|
|
echo "Traefik dashboard : https://${TS_FQDN}"
|
|
echo "Stack directory : $TRAEFIK_DIR"
|
|
echo ""
|
|
echo "Note: Approve exit-node in Tailscale admin console if needed."
|
|
echo "Note: Fail2ban is running on the host; fail2ban-exporter exposes"
|
|
echo " metrics on port 9191 (Tailscale-only, not public)."
|
|
echo ""
|
|
}
|
|
|
|
main "$@"
|