206 lines
No EOL
9 KiB
Bash
206 lines
No EOL
9 KiB
Bash
#!/bin/bash
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# ==============================================================================
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# Automated Open WebUI & SearXNG Installer (v19 - The Definitive)
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#
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# This script will:
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# 1. Use the user's superior method of `curl` to fetch the default SearXNG config.
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# 2. Surgically inject the Brave API key into the downloaded config.
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# 3. Deploy a complete, secure, and automated stack for Open WebUI and SearXNG.
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# ==============================================================================
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# --- Safety Checks ---
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set -euo pipefail
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# --- Pre-flight Checks ---
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if [[ "$EUID" -ne 0 ]]; then echo "❌ This script must be run as root."; exit 1; fi
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if ! grep -qi "debian" /etc/os-release; then echo "⚠️ This script is optimized for Debian."; fi
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# --- User Input ---
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echo "---"
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echo "Welcome to the Full Stack Open WebUI & SearXNG Installer."
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echo "---"
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read -p "Enter your domain for Open WebUI (e.g., ai.example.com): " UI_DOMAIN
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read -p "Enter your email address (for Let's Encrypt): " EMAIL
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read -p "Also secure the 'www' version of this domain (www.$UI_DOMAIN)? [y/N]: " UI_INCLUDE_WWW
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read -p "Use Let's Encrypt staging environment (for testing)? [y/N]: " USE_STAGING
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echo ""
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if command -v ufw &> /dev/null; then
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echo "ℹ️ UFW firewall is detected on this system."
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read -p "Allow this script to manage UFW rules (allow HTTP/HTTPS)? [Y/n]: " MANAGE_UFW
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else
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read -p "Install and configure UFW firewall? (Recommended) [Y/n]: " MANAGE_UFW
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fi
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echo ""
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read -p "Deploy a private SearXNG instance for the research tool? [y/N]: " DEPLOY_SEARXNG
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BRAVE_API_KEY=""
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if [[ "${DEPLOY_SEARXNG,,}" == "y" ]]; then
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SEARCH_DOMAIN="search.r21.io"
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echo "ℹ️ SearXNG will be deployed to https://$SEARCH_DOMAIN"
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read -p "Enter your Brave Search API key (highly recommended, or press Enter): " BRAVE_API_KEY
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fi
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# --- Main Script ---
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echo "---"; echo "✅ Thank you. Starting the setup."; sleep 3
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# --- Configuration ---
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UI_CONTAINER="open-webui"
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SEARXNG_CONTAINER="searxng"
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NETWORK_NAME="open-webui-net"
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SEARXNG_CONFIG_DIR="/srv/searxng"
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# --- Step 1: Dependencies ---
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echo "▶️ [1/9] Installing dependencies..."
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export DEBIAN_FRONTEND=noninteractive
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apt-get update
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BASE_PACKAGES="ca-certificates curl gnupg nginx certbot python3-certbot-nginx fail2ban unattended-upgrades"
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if [[ "${DEPLOY_SEARXNG,,}" == "y" ]]; then apt-get install -y $BASE_PACKAGES apache2-utils; else apt-get install -y $BASE_PACKAGES; fi
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# --- Step 2: Firewall Management ---
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echo "▶️ [2/9] Managing Firewall..."
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if [[ "${MANAGE_UFW,,}" != "n" ]]; then
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if ! command -v ufw &> /dev/null; then apt-get install -y ufw; fi
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ufw allow ssh > /dev/null; ufw allow 'Nginx Full' > /dev/null; ufw --force enable
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else
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if command -v ufw &> /dev/null && ufw status | grep -q "Status: active"; then
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echo " - ⚠️ UFW is active but not managed. Disabling to prevent setup failure."
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ufw disable
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fi
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fi
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# --- Step 3: Docker & Network ---
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echo "▶️ [3/9] Installing Docker and setting up network..."
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install -m 0755 -d /etc/apt/keyrings
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curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
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chmod a+r /etc/apt/keyrings/docker.gpg
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echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
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apt-get update
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apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
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if ! docker network ls | grep -q "$NETWORK_NAME"; then docker network create $NETWORK_NAME; fi
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# --- Step 4: Stop Old Containers ---
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echo "▶️ [4/9] Stopping and removing any old containers..."
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docker stop $UI_CONTAINER $SEARXNG_CONTAINER 2>/dev/null || true
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docker rm $UI_CONTAINER $SEARXNG_CONTAINER 2>/dev/null || true
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# --- Step 5: Configure and Deploy SearXNG (Optional) ---
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if [[ "${DEPLOY_SEARXNG,,}" == "y" ]]; then
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echo "▶️ [5/9] Configuring and deploying SearXNG..."
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# 1. Fetch the default settings.yml directly from GitHub
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echo " - Fetching default SearXNG configuration from GitHub..."
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sudo mkdir -p $SEARXNG_CONFIG_DIR
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sudo curl -sL "https://raw.githubusercontent.com/searxng/searxng/master/searx/settings.yml" -o "$SEARXNG_CONFIG_DIR/settings.yml"
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# 2. Surgically inject the Brave API key if provided
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if [[ -n "$BRAVE_API_KEY" ]]; then
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echo " - Injecting Brave API key..."
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sudo sed -i "/^- name: brave/a \ api_key: \"$BRAVE_API_KEY\"" "$SEARXNG_CONFIG_DIR/settings.yml"
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else
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echo " - No Brave API key provided, using default settings."
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fi
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# 3. Add a mandatory secret_key
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SECRET_KEY=$(gpg --gen-random --armor 1 24)
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sudo sed -i "s/ultrasecretkey/\"$SECRET_KEY\"/" "$SEARXNG_CONFIG_DIR/settings.yml"
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# 4. Set correct permissions
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sudo chown -R 1000:1000 $SEARXNG_CONFIG_DIR
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# 5. Launch the final container
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echo " - Starting SearXNG container..."
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docker run -d --name $SEARXNG_CONTAINER --network $NETWORK_NAME -v $SEARXNG_CONFIG_DIR:/etc/searxng --restart always searxng/searxng
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else
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echo "▶️ [5/9] Skipping SearXNG deployment."
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fi
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# --- Step 6: Deploy Open WebUI ---
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echo "▶️ [6/9] Deploying Open WebUI..."
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docker run -d -p 127.0.0.1:3000:8080 -v open-webui:/app/backend/data --name $UI_CONTAINER --network $NETWORK_NAME --restart always ghcr.io/open-webui/open-webui:main
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# --- Step 7: Configure Nginx ---
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echo "▶️ [7/9] Configuring Nginx sites..."
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NGINX_UI_CONF="/etc/nginx/sites-available/$UI_DOMAIN"
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if [[ "${UI_INCLUDE_WWW,,}" == "y" ]]; then UI_SERVER_NAME="$UI_DOMAIN www.$UI_DOMAIN"; else UI_SERVER_NAME="$UI_DOMAIN"; fi
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cat <<EOF > "$NGINX_UI_CONF"
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server {
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listen 80; listen [::]:80; server_name $UI_SERVER_NAME;
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location / {
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proxy_pass http://127.0.0.1:3000;
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proxy_set_header Host \$host; proxy_set_header X-Real-IP \$remote_addr;
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proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto \$scheme;
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proxy_http_version 1.1; proxy_set_header Upgrade \$http_upgrade; proxy_set_header Connection "upgrade";
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}
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}
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EOF
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ln -sfn "$NGINX_UI_CONF" "/etc/nginx/sites-enabled/$UI_DOMAIN"
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if [[ "${DEPLOY_SEARXNG,,}" == "y" ]]; then
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NGINX_SEARCH_CONF="/etc/nginx/sites-available/$SEARCH_DOMAIN"
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echo "Please set a password for the public SearXNG instance."
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sudo htpasswd -c /etc/nginx/.htpasswd admin
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cat <<EOF > "$NGINX_SEARCH_CONF"
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server {
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listen 80; listen [::]:80; server_name $SEARCH_DOMAIN;
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location / {
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resolver 127.0.0.11;
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set \$searxng_upstream http://searxng:8080;
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proxy_pass \$searxng_upstream;
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auth_basic "Private Search Instance";
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auth_basic_user_file /etc/nginx/.htpasswd;
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proxy_set_header Host \$host; proxy_set_header X-Real-IP \$remote_addr;
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proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto \$scheme;
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proxy_set_header X-Forwarded-Host \$server_name;
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}
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}
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EOF
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ln -sfn "$NGINX_SEARCH_CONF" "/etc/nginx/sites-enabled/$SEARCH_DOMAIN"
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fi
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# --- Step 8: SSL Certificates & Automations ---
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echo "▶️ [8/9] Obtaining SSL certificates and configuring automations..."
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nginx -t
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CERTBOT_STAGING_FLAG=""
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if [[ "${USE_STAGING,,}" == "y" ]]; then CERTBOT_STAGING_FLAG="--staging"; fi
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certbot --nginx -d $UI_SERVER_NAME $CERTBOT_STAGING_FLAG --non-interactive --agree-tos -m "$EMAIL" --redirect
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if [[ "${DEPLOY_SEARXNG,,}" == "y" ]]; then
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certbot --nginx -d $SEARCH_DOMAIN $CERTBOT_STAGING_FLAG --non-interactive --agree-tos -m "$EMAIL" --redirect
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fi
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NGINX_UI_LOG="/var/log/nginx/$UI_DOMAIN.access.log"
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touch $NGINX_UI_LOG && chown www-data:adm $NGINX_UI_LOG
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cat <<EOF > /etc/fail2ban/filter.d/open-webui.conf
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[Definition]
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failregex = ^<HOST> .* "POST /api/v1/auths/signin.*" 400
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ignoreregex =
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EOF
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cat <<EOF > /etc/fail2ban/jail.d/open-webui.local
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[open-webui]
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enabled = true; port = http,https; filter = open-webui;
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logpath = $NGINX_UI_LOG; maxretry = 5; findtime = 3600; bantime = 86400;
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EOF
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systemctl restart fail2ban
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dpkg-reconfigure -plow unattended-upgrades
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if ! [ "$(docker ps -q -f name=watchtower)" ]; then
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docker run -d --name watchtower -v /var/run/docker.sock:/var/run/docker.sock --restart always containrrr/watchtower
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fi
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echo "0 9 * * 5 root /sbin/reboot" > /etc/cron.d/weekly-reboot
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# --- Step 9: Finalization ---
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echo "▶️ [9/9] Finalizing..."
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systemctl restart nginx
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echo "---"; echo "✅🎉 **DEPLOYMENT COMPLETE!** 🎉✅"; echo ""
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echo "--- ACCESS ---"
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echo " - Open WebUI: https://$UI_DOMAIN"
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if [[ "${DEPLOY_SEARXNG,,}" == "y" ]]; then echo " - SearXNG: https://$SEARCH_DOMAIN (user: admin)"; fi
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echo ""
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echo "--- NEXT STEPS: ADDING THE RESEARCH TOOL ---"
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if [[ "${DEPLOY_SEARXNG,,}" == "y" ]]; then
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echo "1. Go to Open WebUI -> Settings -> Tools."
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echo "2. Paste the Python code from https://github.com/iamarcel/open-webui-utils/blob/main/research_tool.py"
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echo "3. Go to the Settings tab in the tool editor."
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echo "4. Add Environment Variable: Key: SEARXNG_BASE_URL, Value: http://searxng:8080"
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echo "5. Click 'Save'."
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fi
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echo "---" |