Spencer Grimes
81c23308cc
- Use SCRIPT_DIR to find source files from any directory - Create venv as target user (sudo -u) for correct ownership - Add python3 existence check - Add source file existence check - Add group to systemd service - Fix uninstall.sh root check Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
112 lines
3.0 KiB
Bash
112 lines
3.0 KiB
Bash
#!/bin/bash
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# Kao Installation Script
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# Installs to /opt/kao and sets up systemd service
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set -e
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INSTALL_DIR="/opt/kao"
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SERVICE_FILE="/etc/systemd/system/kao.service"
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# Use SUDO_USER if running via sudo, otherwise current user
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CURRENT_USER="${SUDO_USER:-$(whoami)}"
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CURRENT_GROUP="$(id -gn "$CURRENT_USER")"
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echo "===================================="
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echo " Kao Installer"
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echo "===================================="
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echo "Install directory: $INSTALL_DIR"
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echo "Running as user: $CURRENT_USER"
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echo "Source: $SCRIPT_DIR"
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echo ""
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# Check if running as root
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if [ "$EUID" -ne 0 ]; then
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echo "Error: Must run as root"
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echo "Run with: sudo $0"
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exit 1
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fi
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if [ -z "$CURRENT_USER" ] || [ "$CURRENT_USER" = "root" ]; then
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echo "Error: Could not determine target user"
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echo "Run with: sudo $0"
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exit 1
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fi
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# Check for python3
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if ! command -v python3 &> /dev/null; then
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echo "Error: python3 not found"
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echo "Install with: sudo apt install python3 python3-venv"
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exit 1
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fi
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# Check source files exist
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if [ ! -f "$SCRIPT_DIR/kao.py" ]; then
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echo "Error: Source files not found in $SCRIPT_DIR"
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echo "Run this script from the Kao repository directory"
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exit 1
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fi
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# Create install directory
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echo "[1/5] Creating install directory..."
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mkdir -p "$INSTALL_DIR"
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cp "$SCRIPT_DIR/aggregator.py" "$INSTALL_DIR/"
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cp "$SCRIPT_DIR/kao.py" "$INSTALL_DIR/"
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cp "$SCRIPT_DIR/index.html" "$INSTALL_DIR/"
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cp "$SCRIPT_DIR/config.json" "$INSTALL_DIR/"
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cp "$SCRIPT_DIR/requirements.txt" "$INSTALL_DIR/"
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cp -r "$SCRIPT_DIR/detectors" "$INSTALL_DIR/"
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# Set ownership before venv creation
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chown -R "$CURRENT_USER:$CURRENT_GROUP" "$INSTALL_DIR"
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# Create virtual environment as target user
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echo "[2/5] Creating virtual environment..."
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sudo -u "$CURRENT_USER" python3 -m venv "$INSTALL_DIR/venv"
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sudo -u "$CURRENT_USER" "$INSTALL_DIR/venv/bin/pip" install --upgrade pip -q
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sudo -u "$CURRENT_USER" "$INSTALL_DIR/venv/bin/pip" install -r "$INSTALL_DIR/requirements.txt" -q
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# Create systemd service
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echo "[3/5] Creating systemd service..."
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cat > "$SERVICE_FILE" << EOF
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[Unit]
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Description=Kao - System Status Monitor
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After=network.target
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[Service]
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Type=simple
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User=$CURRENT_USER
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Group=$CURRENT_GROUP
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WorkingDirectory=$INSTALL_DIR
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ExecStart=$INSTALL_DIR/venv/bin/python $INSTALL_DIR/kao.py
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Restart=always
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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EOF
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# Reload systemd and enable service
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echo "[4/5] Enabling service..."
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systemctl daemon-reload
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systemctl enable kao.service
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# Start service
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echo "[5/5] Starting Kao..."
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systemctl start kao.service
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echo ""
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echo "===================================="
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echo " Installation complete!"
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echo "===================================="
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echo ""
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echo "Kao is now running at http://$(hostname -I | awk '{print $1}'):5100"
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echo ""
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echo "Commands:"
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echo " sudo systemctl status kao # Check status"
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echo " sudo systemctl restart kao # Restart"
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echo " sudo systemctl stop kao # Stop"
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echo " sudo journalctl -u kao -f # View logs"
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echo ""
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echo "Config file: $INSTALL_DIR/config.json"
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