Canopy/start_canopy_web.sh at main · kwalus/Canopy · GitHub

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#!/bin/bash
# Start Canopy Web UI as background service
# Compatible with macOS and Linux

# Auto-detect project directory (where this script lives)
CANOPY_DIR="$(cd "$(dirname "$0")" && pwd)"
RUNTIME_DIR="$CANOPY_DIR/.canopy_runtime"
PID_FILE="$RUNTIME_DIR/canopy_web.pid"
LOG_FILE="$RUNTIME_DIR/canopy_web.log"
HOST="0.0.0.0"
PORT="${CANOPY_PORT:-7770}"
MESH_PORT="${CANOPY_MESH_PORT:-7771}"
STARTUP_TIMEOUT_SECONDS=20

healthcheck() {
    curl -fsS "http://127.0.0.1:${PORT}/login" >/dev/null 2>&1
}

port_listening_for_pid() {
    local port="$1"
    local pid="$2"
    lsof -nP -iTCP:"$port" -sTCP:LISTEN 2>/dev/null | awk 'NR > 1 {print $2}' | grep -qx "$pid"
}

mkdir -p "$RUNTIME_DIR"

# Check if server is already running
if [ -f "$PID_FILE" ]; then
    PID=$(cat "$PID_FILE")
    if kill -0 "$PID" 2>/dev/null; then
        echo "Canopy Web UI is already running with PID $PID."
        echo "Access at: http://localhost:$PORT"
        exit 0
    else
        echo "Stale PID file found. Removing it."
        rm "$PID_FILE"
    fi
fi

for CHECK_PORT in "$PORT" "$MESH_PORT"; do
    if lsof -nP -iTCP:"$CHECK_PORT" -sTCP:LISTEN >/dev/null 2>&1; then
        echo "WARNING: Port $CHECK_PORT is already in use."
        echo "   Stop the other Canopy instance or set a different port before starting."
        exit 1
    fi
done

echo "Starting Canopy Web UI on $HOST:$PORT..."
cd "$CANOPY_DIR"

# Use local virtualenv if present; otherwise fall back to system python.
if [ -x "$CANOPY_DIR/.venv/bin/python3" ]; then
    PYTHON="$CANOPY_DIR/.venv/bin/python3"
elif [ -x "$CANOPY_DIR/.venv/bin/python" ]; then
    PYTHON="$CANOPY_DIR/.venv/bin/python"
elif [ -x "$CANOPY_DIR/venv/bin/python3" ]; then
    PYTHON="$CANOPY_DIR/venv/bin/python3"
elif [ -x "$CANOPY_DIR/venv/bin/python" ]; then
    PYTHON="$CANOPY_DIR/venv/bin/python"
else
    echo "Note: No local virtualenv found. Using system python. For a clean setup, run ./install.sh first."
    PYTHON="python3"
fi

nohup "$PYTHON" -m canopy.main --host "$HOST" --port "$PORT" > "$LOG_FILE" 2>&1 &
echo $! > "$PID_FILE"
PID="$(cat "$PID_FILE")"

for _ in $(seq 1 "$STARTUP_TIMEOUT_SECONDS"); do
    if ! kill -0 "$PID" 2>/dev/null; then
        break
    fi
    if healthcheck && port_listening_for_pid "$PORT" "$PID" && port_listening_for_pid "$MESH_PORT" "$PID"; then
        echo "Canopy Web UI started with PID $PID."
        echo "   Access at: http://localhost:$PORT"
        echo "   Logs: $LOG_FILE"
        exit 0
    fi
    sleep 1
done

echo "Failed to start Canopy Web UI."
echo "   Check logs: $LOG_FILE"
if kill -0 "$PID" 2>/dev/null; then
    kill "$PID" 2>/dev/null || true
    sleep 1
    kill -9 "$PID" 2>/dev/null || true
fi
rm -f "$PID_FILE"
exit 1