Helper script for running OS-X in docker

osx-docker.sh

#!/bin/bash

# Start macOS VM using dockur/macos
# Data disk location: /opt/vms/<container-name>/
# GitHub: https://github.com/dockur/macos

set -e

# Default values
CONTAINER_NAME="macos"
VNC_PORT=5900
SSH_PORT=2022
WEB_VNC_PORT=8007
VERSION="15"
AUTO_PORTS=false

# Check if a port is in use
is_port_in_use() {
    local port=$1
    if command -v ss &> /dev/null; then
        ss -tuln | grep -q ":${port} "
    elif command -v netstat &> /dev/null; then
        netstat -tuln | grep -q ":${port} "
    else
        # Fallback: try to bind to the port
        (echo >/dev/tcp/localhost/$port) 2>/dev/null && return 0 || return 1
    fi
}

# Find next available port starting from given port
find_available_port() {
    local port=$1
    while is_port_in_use "$port"; do
        ((port++))
    done
    echo "$port"
}

# Version name mapping
get_version_name() {
    case $1 in
        15) echo "Sequoia" ;;
        14) echo "Sonoma" ;;
        13) echo "Ventura" ;;
        12) echo "Monterey" ;;
        11) echo "Big Sur" ;;
        *) echo "Unknown" ;;
    esac
}

# Parse command line arguments
while [[ $# -gt 0 ]]; do
    case $1 in
        --container-name)
            CONTAINER_NAME="$2"
            shift 2
            ;;
        --container-name=*)
            CONTAINER_NAME="${1#*=}"
            shift
            ;;
        --version)
            VERSION="$2"
            shift 2
            ;;
        --version=*)
            VERSION="${1#*=}"
            shift
            ;;
        --ssh-port)
            SSH_PORT="$2"
            shift 2
            ;;
        --ssh-port=*)
            SSH_PORT="${1#*=}"
            shift
            ;;
        --vnc-port)
            VNC_PORT="$2"
            shift 2
            ;;
        --vnc-port=*)
            VNC_PORT="${1#*=}"
            shift
            ;;
        --web-vnc-port)
            WEB_VNC_PORT="$2"
            shift 2
            ;;
        --web-vnc-port=*)
            WEB_VNC_PORT="${1#*=}"
            shift
            ;;
        --auto-ports)
            AUTO_PORTS=true
            shift
            ;;
        -h|--help)
            echo "Usage: $0 [OPTIONS]"
            echo ""
            echo "Options:"
            echo "  --container-name  Name of the container (default: macos)"
            echo "                    Data will be stored at /opt/vms/<container-name>/"
            echo "  --version         macOS version to install (default: 15)"
            echo "                    15 = macOS 15 Sequoia"
            echo "                    14 = macOS 14 Sonoma"
            echo "                    13 = macOS 13 Ventura"
            echo "                    12 = macOS 12 Monterey"
            echo "                    11 = macOS 11 Big Sur"
            echo "  --vnc-port        VNC port (default: 5900)"
            echo "  --web-vnc-port    Web VNC port (default: 8007)"
            echo "  --ssh-port        SSH port (default: 2022)"
            echo "  --auto-ports      Auto-select available ports if defaults are in use"
            exit 0
            ;;
        *)
            echo "Unknown option: $1"
            echo "Use --help for usage information"
            exit 1
            ;;
    esac
done

# Validate version
if [[ ! "$VERSION" =~ ^(11|12|13|14|15)$ ]]; then
    echo "Error: Invalid version '$VERSION'. Must be 11, 12, 13, 14, or 15."
    exit 1
fi

# Auto-select ports if requested
if [ "$AUTO_PORTS" = true ]; then
    VNC_PORT=$(find_available_port "$VNC_PORT")
    SSH_PORT=$(find_available_port "$SSH_PORT")
    WEB_VNC_PORT=$(find_available_port "$WEB_VNC_PORT")
fi

# Derive DATA_DIR from container name
DATA_DIR="/opt/vms/${CONTAINER_NAME}"
VERSION_NAME=$(get_version_name "$VERSION")

# Create data directory if it doesn't exist
if [ ! -d "$DATA_DIR" ]; then
    echo "Creating data directory: $DATA_DIR"
    sudo mkdir -p "$DATA_DIR"
    sudo chown "$(id -u):$(id -g)" "$DATA_DIR"
fi

# Stop and remove existing container if running
if docker ps -a --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then
    echo "Stopping existing container: $CONTAINER_NAME"
    docker stop "$CONTAINER_NAME" 2>/dev/null || true
    docker rm "$CONTAINER_NAME" 2>/dev/null || true
fi

echo "Starting macOS VM container..."
echo "  Container name: $CONTAINER_NAME"
echo "  macOS version: $VERSION ($VERSION_NAME)"
echo "  Data directory: $DATA_DIR"
echo "  VNC port: $VNC_PORT"
echo "  Web VNC port: $WEB_VNC_PORT"
echo "  SSH port: $SSH_PORT"

docker run -d \
    --name "$CONTAINER_NAME" \
    --device /dev/kvm \
    --cap-add NET_ADMIN \
    -p "$VNC_PORT:5900" \
    -p "$WEB_VNC_PORT:8006" \
    -p "$SSH_PORT:22" \
    -v "$DATA_DIR:/storage" \
    -e VERSION="$VERSION" \
    -e RAM_SIZE="8G" \
    -e CPU_CORES="4" \
    -e DISK_SIZE="64G" \
    --restart unless-stopped \
    dockurr/macos

echo ""
echo "macOS VM container started!"
echo ""
echo "Access methods:"
echo "  Web VNC: http://localhost:$WEB_VNC_PORT"
echo "  VNC client: localhost:$VNC_PORT"
echo "  SSH (after setup): ssh user@localhost -p $SSH_PORT"
echo ""
echo "View logs: docker logs -f $CONTAINER_NAME"
echo "Stop VM: docker stop $CONTAINER_NAME"