course/wasm_lab.html at main · kubedoio/course · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Wasm Cloud Lab - Buildroot Linux</title>
    <style>
        :root {
            --bg-color: #0f172a;
            --sidebar-color: #1e293b;
            --accent-color: #38bdf8;
            --text-color: #f1f5f9;
        }

        body, html {
            margin: 0;
            padding: 0;
            height: 100%;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            overflow: hidden;
        }

        .layout {
            display: flex;
            height: 100vh;
            width: 100vw;
        }

        /* Sidebar / Instructions */
        .sidebar {
            width: 350px;
            background-color: var(--sidebar-color);
            border-right: 1px solid #334155;
            display: flex;
            flex-direction: column;
            padding: 20px;
            overflow-y: auto;
        }

        .sidebar h2 {
            color: var(--accent-color);
            font-size: 1.25rem;
            margin-top: 0;
        }

        .lab-step {
            background: #334155;
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 15px;
            font-size: 0.9rem;
            line-height: 1.5;
        }

        code {
            background: #000;
            padding: 2px 5px;
            border-radius: 4px;
            color: #fbbf24;
            font-family: monospace;
        }

        /* Main Lab Area */
        .main-content {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        header {
            height: 50px;
            background: #1e293b;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid #334155;
            justify-content: space-between;
        }

        .status-pill {
            background: #064e3b;
            color: #34d399;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: bold;
        }

        /* Terminal Container */
        #screen_container {
            flex-grow: 1;
            background-color: black;
            position: relative;
        }

        #screen_container canvas {
            display: block;
        }

        .boot-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.8);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 10;
        }

        .btn-start {
            background: var(--accent-color);
            color: #000;
            border: none;
            padding: 12px 24px;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn-start:hover {
            background: #7dd3fc;
        }

        footer {
            height: 30px;
            background: #0f172a;
            font-size: 0.7rem;
            display: flex;
            align-items: center;
            padding: 0 20px;
            color: #64748b;
        }
    </style>
</head>
<body>

    <div class="layout">
        <!-- Lab Guide -->
        <aside class="sidebar">
            <h2>Linux Lab</h2>
            <p>Welcome to your Wasm-powered Buildroot Linux environment.</p>

            <div class="lab-step">
                <strong>Step 1: Check Kernel</strong><br>
                Type <code>uname -a</code> to verify the running kernel.
            </div>

            <div class="lab-step">
                <strong>Step 2: Explore Userspace</strong><br>
                Try <code>ls /bin</code> and <code>busybox --list</code> to see available tools.
            </div>

            <div class="lab-step">
                <strong>Step 3: Network Test</strong><br>
                Test internet access via <code>ping google.com</code>.
            </div>

            <p style="font-size: 0.8rem; color: #94a3b8;">
                Note: This uses <strong>v86</strong> to emulate x86 hardware in your browser. No server-side resources are used.
            </p>
        </aside>

        <!-- Lab UI -->
        <main class="main-content">
            <header>
                <div style="font-weight: bold;">Buildroot-v86-Virtual-Machine</div>
                <div class="status-pill" id="status">READY</div>
            </header>

            <div id="screen_container">
                <div class="boot-overlay" id="overlay">
                    <button class="btn-start" id="start-button">Start Lab Session</button>
                    <p style="margin-top: 15px; font-size: 0.8rem;">Initial boot may take 30-60 seconds</p>
                </div>
                <!-- v86 will render the terminal here -->
                <div id="terminal"></div>
                <canvas style="display: none;"></canvas>
            </div>

            <footer>
                Powered by v86 WebAssembly Engine | Memory: 512MB | Network: disabled
            </footer>
        </main>
    </div>

    <!-- Load v86 engine locally -->
    <script src="v86/build/libv86.js"></script>

    <script>
    window.onload = function() {
        const startBtn = document.getElementById("start-button");
        const overlay = document.getElementById("overlay");
        const statusPill = document.getElementById("status");

        startBtn.addEventListener("click", function() {
            overlay.style.display = "none";
            statusPill.innerText = "BOOTING...";
            statusPill.style.background = "#92400e";
            statusPill.style.color = "#fef3c7";

            // Initialize v86
            // We use a locally served Buildroot Linux kernel from the v86 project
            var emulator = new V86({
                wasm_path: "v86/build/v86.wasm",
                memory_size: 512 * 1024 * 1024,
                screen_container: document.getElementById("screen_container"),
                bios: {
                    url: "v86/bios/seabios.bin",
                },
                vga_bios: {
                    url: "v86/bios/vgabios.bin",
                },
                bzimage: {
                    url: "v86/images/binaries/buildroot-bzimage68.bin",
                },
                autostart: true,
            });

            emulator.add_listener("emulator-ready", function() {
                statusPill.innerText = "RUNNING";
                statusPill.style.background = "#064e3b";
                statusPill.style.color = "#34d399";
                console.log("Emulator is ready");
            });
        });
    };
    </script>
</body>
</html>