monito

[Alliancetrf]

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Docker KinD Node Runner

Fix exited containers with ExitCode 1 by running with proper privileges

    <div class="grid">
        <div class="card">
            <div class="card-header">
                <div class="card-icon icon-terminal">1</div>
                <h2 class="card-title">Minimal Working Command</h2>
            </div>
            <div class="command-block">
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                <code class="command" id="cmd1">docker run -d --name kind-node \<br>  --privileged \<br>  --cap-add=SYS_ADMIN \<br>  --cap-add=NET_ADMIN \<br>  -v /lib/modules:/lib/modules:ro \<br>  -v /sys/fs/cgroup:/sys/fs/cgroup:ro \<br>  kindest/node:v1.31.1</code>
            </div>
            <div class="notes">
                <strong>Notes:</strong>
                <ul>
                    <li><code>--privileged</code> is essential for systemd to start</li>
                    <li>Mounting <code>/lib/modules</code> and <code>/sys/fs/cgroup</code> helps systemd interact with the kernel</li>
                </ul>
            </div>
        </div>

        <div class="card">
            <div class="card-header">
                <div class="card-icon icon-terminal">2</div>
                <h2 class="card-title">Robust Command (KinD-style)</h2>
            </div>
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                <code class="command" id="cmd2">docker run -d --name kind-node \<br>  --privileged \<br>  --pid=host \<br>  --network host \<br>  -v /lib/modules:/lib/modules:ro \<br>  -v /sys/fs/cgroup:/sys/fs/cgroup:ro \<br>  -v /var/lib/docker:/var/lib/docker \<br>  kindest/node:v1.31.1</code>
            </div>
            <div class="notes">
                <strong>Notes:</strong>
                <ul>
                    <li>Uses host PID and network namespaces for full visibility</li>
                    <li>Mounts Docker socket for container management inside</li>
                    <li>Use with caution on shared environments</li>
                </ul>
            </div>
        </div>

        <div class="card">
            <div class="card-header">
                <div class="card-icon icon-compose">3</div>
                <h2 class="card-title">Docker Compose</h2>
            </div>
            <div class="command-block">
                <button class="btn-copy" data-target="cmd3">Copy</button>
                <code class="command" id="cmd3">version: "3.8"<br>services:<br>  kind-node:<br>    image: kindest/node:v1.31.1<br>    privileged: true<br>    cap_add:<br>      - SYS_ADMIN<br>      - NET_ADMIN<br>    volumes:<br>      - /lib/modules:/lib/modules:ro<br>      - /sys/fs/cgroup:/sys/fs/cgroup:ro<br>    network_mode: "host"<br>    restart: "no"</code>
            </div>
            <div class="notes">
                <strong>Usage:</strong>
                <ul>
                    <li>Save as <code>docker-compose.yml</code></li>
                    <li>Run with <code>docker-compose up -d</code></li>
                </ul>
            </div>
        </div>

        <div class="card">
            <div class="card-header">
                <div class="card-icon icon-kind">4</div>
                <h2 class="card-title">Recommended: Use Kind CLI</h2>
            </div>
            <div class="command-block">
                <button class="btn-copy" data-target="cmd4">Copy</button>
                <code class="command" id="cmd4"># Install kind first<br>kind create cluster --name my-cluster --image kindest/node:v1.31.1</code>
            </div>
            <div class="notes">
                <strong>Benefits:</strong>
                <ul>
                    <li>Automates privileged flags and mounts</li>
                    <li>Includes health checks and validation</li>
                    <li>Supports multi-node clusters easily</li>
                </ul>
            </div>
        </div>

        <div class="card">
            <div class="card-header">
                <div class="card-icon icon-debug">5</div>
                <h2 class="card-title">Debugging Commands</h2>
            </div>
            <div class="command-block">
                <button class="btn-copy" data-target="cmd5">Copy</button>
                <code class="command" id="cmd5"># Check logs<br>docker logs peaceful_hopper --since 1m<br><br># Interactive debugging<br>docker run -it --rm --privileged \<br>  --entrypoint /bin/sh kindest/node:v1.31.1<br># Then inside: /usr/local/bin/entrypoint /sbin/init</code>
            </div>
            <div class="notes">
                <strong>Host Requirements:</strong>
                <ul>
                    <li>Docker >= 20.10</li>
                    <li>cgroup v2 support (check with <code>stat -fc %T /sys/fs/cgroup</code>)</li>
                    <li>Not running in restricted environments</li>
                </ul>
            </div>
        </div>
    </div>

    <div class="card">
        <h2 style="margin-bottom: 20px; color: var(--dark);">Quick Fix Summary</h2>
        <table class="summary-table">
            <thead>
                <tr>
                    <th>Problem</th>
                    <th>Fix</th>
                </tr>
            </thead>
            <tbody>
                <tr>
                    <td>Exited quickly / ExitCode 1</td>
                    <td class="fix-cell">Run with <code>--privileged</code> and required mounts</td>
                </tr>
                <tr>
                    <td>Manual runs failing</td>
                    <td class="fix-cell">Use <code>kind create cluster</code> to automate flags</td>
                </tr>
                <tr>
                    <td>No logs visible</td>
                    <td class="fix-cell">Run interactive shell and execute entrypoint manually</td>
                </tr>
            </tbody>
        </table>
    </div>

    <footer>
        <p>Docker KinD Node Runner • Fix exited containers with ExitCode 1 • Generated: November 20, 2025</p>
    </footer>
</div>

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``