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Оглавление
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<nav id="TableOfContents">
<ul>
<li><a href="#анатомия-http-запроса-в-k3s">Анатомия HTTP запроса в K3s</a></li>
<li><a href="#шаг-1-dns---доходит-ли-домен-до-твоего-ip">Шаг 1: DNS - доходит ли домен до твоего IP</a>
<ul>
<li><a href="#проверка">Проверка</a></li>
<li><a href="#ожидаемый-результат">Ожидаемый результат</a></li>
<li><a href="#что-может-пойти-не-так">Что может пойти не так</a></li>
</ul>
</li>
<li><a href="#шаг-2-внешний-доступ---доходит-ли-запрос-до-сервера">Шаг 2: Внешний доступ - доходит ли запрос до сервера</a>
<ul>
<li><a href="#проверка-1">Проверка</a></li>
<li><a href="#ситуация-а-connection-refused-или-timeout">Ситуация А: Connection refused или timeout</a></li>
<li><a href="#ситуация-б-tls-handshake-прошёл-но-503">Ситуация Б: TLS handshake прошёл, но 503</a></li>
<li><a href="#ситуация-в-ssl-certificate-problem">Ситуация В: SSL certificate problem</a></li>
<li><a href="#главное-запрос-доходит-до-traefik">Главное: Запрос доходит до Traefik</a></li>
</ul>
</li>
<li><a href="#шаг-3-traefik---правильно-ли-маршрутизируется-трафик">Шаг 3: Traefik - правильно ли маршрутизируется трафик</a>
<ul>
<li><a href="#проверка-логов-traefik">Проверка логов Traefik</a></li>
<li><a href="#что-искать-в-логах">Что искать в логах</a></li>
<li><a href="#проверяем-список-ingressroute">Проверяем список IngressRoute</a></li>
<li><a href="#проверяем-синтаксис-match">Проверяем синтаксис match</a></li>
<li><a href="#главное-traefik-нашёл-роутер">Главное: Traefik нашёл роутер</a></li>
</ul>
</li>
<li><a href="#шаг-4-service---видит-ли-он-поды">Шаг 4: Service - видит ли он поды</a>
<ul>
<li><a href="#проверка-endpoints">Проверка endpoints</a></li>
<li><a href="#причина-1-selector-не-совпадает-с-labels">Причина 1: Selector не совпадает с labels</a></li>
<li><a href="#причина-2-поды-не-running">Причина 2: Поды не Running</a></li>
<li><a href="#главное-service-видит-поды">Главное: Service видит поды</a></li>
</ul>
</li>
<li><a href="#шаг-5-pod---что-происходит-внутри-контейнера">Шаг 5: Pod - что происходит внутри контейнера</a>
<ul>
<li><a href="#проверка-статуса-подов">Проверка статуса подов</a></li>
<li><a href="#createcontainererror">CreateContainerError</a></li>
<li><a href="#crashloopbackoff">CrashLoopBackOff</a></li>
<li><a href="#главное-под-работает">Главное: Под работает</a></li>
</ul>
</li>
<li><a href="#шаг-6-контент---есть-ли-файлы-для-отдачи">Шаг 6: Контент - есть ли файлы для отдачи</a>
<ul>
<li><a href="#проверка-2">Проверка</a></li>
<li><a href="#главное-контент-на-месте">Главное: Контент на месте</a></li>
</ul>
</li>
<li><a href="#быстрый-чеклист-для-любой-проблемы">Быстрый чеклист для любой проблемы</a></li>
<li><a href="#реальный-пример-503-через-раз">Реальный пример: 503 через раз</a></li>
<li><a href="#откат-и-cleanup">Откат и cleanup</a></li>
<li><a href="#что-дальше">Что дальше</a></li>
</ul>
</nav>
</div>
</details>
<details class="toc-inside mt-0 overflow-hidden rounded-lg -ms-5 ps-5 lg:hidden">
<summary
class="py-1 text-lg font-semibold cursor-pointer bg-neutral-100 text-neutral-800 -ms-5 ps-5 dark:bg-neutral-700 dark:text-neutral-100 lg:hidden">
Оглавление
</summary>
<div
class="py-2 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
<nav id="TableOfContents">
<ul>
<li><a href="#анатомия-http-запроса-в-k3s">Анатомия HTTP запроса в K3s</a></li>
<li><a href="#шаг-1-dns---доходит-ли-домен-до-твоего-ip">Шаг 1: DNS - доходит ли домен до твоего IP</a>
<ul>
<li><a href="#проверка">Проверка</a></li>
<li><a href="#ожидаемый-результат">Ожидаемый результат</a></li>
<li><a href="#что-может-пойти-не-так">Что может пойти не так</a></li>
</ul>
</li>
<li><a href="#шаг-2-внешний-доступ---доходит-ли-запрос-до-сервера">Шаг 2: Внешний доступ - доходит ли запрос до сервера</a>
<ul>
<li><a href="#проверка-1">Проверка</a></li>
<li><a href="#ситуация-а-connection-refused-или-timeout">Ситуация А: Connection refused или timeout</a></li>
<li><a href="#ситуация-б-tls-handshake-прошёл-но-503">Ситуация Б: TLS handshake прошёл, но 503</a></li>
<li><a href="#ситуация-в-ssl-certificate-problem">Ситуация В: SSL certificate problem</a></li>
<li><a href="#главное-запрос-доходит-до-traefik">Главное: Запрос доходит до Traefik</a></li>
</ul>
</li>
<li><a href="#шаг-3-traefik---правильно-ли-маршрутизируется-трафик">Шаг 3: Traefik - правильно ли маршрутизируется трафик</a>
<ul>
<li><a href="#проверка-логов-traefik">Проверка логов Traefik</a></li>
<li><a href="#что-искать-в-логах">Что искать в логах</a></li>
<li><a href="#проверяем-список-ingressroute">Проверяем список IngressRoute</a></li>
<li><a href="#проверяем-синтаксис-match">Проверяем синтаксис match</a></li>
<li><a href="#главное-traefik-нашёл-роутер">Главное: Traefik нашёл роутер</a></li>
</ul>
</li>
<li><a href="#шаг-4-service---видит-ли-он-поды">Шаг 4: Service - видит ли он поды</a>
<ul>
<li><a href="#проверка-endpoints">Проверка endpoints</a></li>
<li><a href="#причина-1-selector-не-совпадает-с-labels">Причина 1: Selector не совпадает с labels</a></li>
<li><a href="#причина-2-поды-не-running">Причина 2: Поды не Running</a></li>
<li><a href="#главное-service-видит-поды">Главное: Service видит поды</a></li>
</ul>
</li>
<li><a href="#шаг-5-pod---что-происходит-внутри-контейнера">Шаг 5: Pod - что происходит внутри контейнера</a>
<ul>
<li><a href="#проверка-статуса-подов">Проверка статуса подов</a></li>
<li><a href="#createcontainererror">CreateContainerError</a></li>
<li><a href="#crashloopbackoff">CrashLoopBackOff</a></li>
<li><a href="#главное-под-работает">Главное: Под работает</a></li>
</ul>
</li>
<li><a href="#шаг-6-контент---есть-ли-файлы-для-отдачи">Шаг 6: Контент - есть ли файлы для отдачи</a>
<ul>
<li><a href="#проверка-2">Проверка</a></li>
<li><a href="#главное-контент-на-месте">Главное: Контент на месте</a></li>
</ul>
</li>
<li><a href="#быстрый-чеклист-для-любой-проблемы">Быстрый чеклист для любой проблемы</a></li>
<li><a href="#реальный-пример-503-через-раз">Реальный пример: 503 через раз</a></li>
<li><a href="#откат-и-cleanup">Откат и cleanup</a></li>
<li><a href="#что-дальше">Что дальше</a></li>
</ul>
</nav>
</div>
</details>
</div>
</div>
<div class="min-w-0 min-h-0 max-w-fit">
<details
class="mt-2 mb-5 overflow-hidden rounded-lg ms-0 ps-5"
open>
<summary
class="py-1 text-lg font-semibold cursor-pointer bg-primary-200 text-neutral-800 -ms-5 ps-5 dark:bg-primary-800 dark:text-neutral-100">
Блог на Hugo в K3s -
Эта статья — часть серии.
</summary>
<div
class="py-1 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
<a href="/posts/blog-part-1-architecture/">
Часть 1:
Блог на Hugo в K3s: часть 1 - архитектура и первый запуск
</a>
</div>
<div
class="py-1 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
<a href="/posts/blog-part-2-k8s-deployment/">
Часть 2:
Блог на Hugo в K3s: часть 2 - деплой в кластер
</a>
</div>
<div
class="py-1 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
<a href="/posts/blog-part-3-dev-environment/">
Часть 3:
Блог на Hugo в K3s: часть 3 - development окружение
</a>
</div>
<div
class="py-1 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
<a href="/posts/blog-part-4-git-workflow/">
Часть 4:
Блог на Hugo в K3s: часть 4 - выбор Git workflow
</a>
</div>
<div
class="py-1 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
Часть 5:
Ты уже здесь
</div>
<div
class="py-1 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
<a href="/posts/blog-part-6-namespace-migration/">
Часть 6:
Блог на Hugo в K3s: часть 6 - миграция между namespace
</a>
</div>
</details>
<div class="article-content max-w-prose mb-20">
<p>В части 4 мы разобрались с Git workflow. Всё работает: пушишь в <code>dev</code> - видишь на тестовом окружении, мержишь в <code>main</code> - публикуется на production.</p>
<p>А потом в один прекрасный день открываешь свой сайт и видишь <code>503 Service Temporarily Unavailable</code>.</p>
<p>Вчера же все работало! Ты ничего не менял. Что произошло?</p>
<p>Добро пожаловать в мир эксплуатации Kubernetes, где проблемы тоже возникают и требуют системного подхода без паники.</p>
<p>Эта статья - алгоритм диагностики от DNS до пода. Проходишь по шагам сверху вниз, находишь проблему за 5 минут. Не гадаешь, не тыкаешь наугад - работаешь по системе.</p>
<hr>
<h2 class="relative group">Анатомия HTTP запроса в K3s
<div id="анатомия-http-запроса-в-k3s" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%b0%d0%bd%d0%b0%d1%82%d0%be%d0%bc%d0%b8%d1%8f-http-%d0%b7%d0%b0%d0%bf%d1%80%d0%be%d1%81%d0%b0-%d0%b2-k3s" aria-label="Якорь">#</a>
</span>
</h2>
<p>Прежде чем искать проблему, нужно понять путь запроса от браузера до nginx:</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">Браузер
</span></span><span class="line"><span class="cl"> ↓ DNS запрос
</span></span><span class="line"><span class="cl">DNS сервер (провайдер или Cloudflare)
</span></span><span class="line"><span class="cl"> ↓ Возвращает IP адрес
</span></span><span class="line"><span class="cl">Роутер/Файрвол (OPNsense, MikroTik)
</span></span><span class="line"><span class="cl"> ↓ Port Forward 443 → K3s node
</span></span><span class="line"><span class="cl">MetalLB LoadBalancer
</span></span><span class="line"><span class="cl"> ↓ External IP
</span></span><span class="line"><span class="cl">Traefik Ingress Controller
</span></span><span class="line"><span class="cl"> ↓ IngressRoute matching
</span></span><span class="line"><span class="cl">Kubernetes Service
</span></span><span class="line"><span class="cl"> ↓ Endpoint selection
</span></span><span class="line"><span class="cl">Pod (Nginx контейнер)
</span></span><span class="line"><span class="cl"> ↓ Volume mount
</span></span><span class="line"><span class="cl">NFS хранилище</span></span></code></pre></div></div>
<p>Проблема может быть на любом из этих уровней. Секрет эффективной диагностики - проверять снаружи внутрь, последовательно исключая рабочие компоненты.</p>
<p>Когда тыкаешь наугад, проверяя сначала поды, потом DNS, потом снова поды - тратишь время. Когда идёшь по алгоритму - находишь проблему за минуты.</p>
<hr>
<h2 class="relative group">Шаг 1: DNS - доходит ли домен до твоего IP
<div id="шаг-1-dns---доходит-ли-домен-до-твоего-ip" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%88%d0%b0%d0%b3-1-dns---%d0%b4%d0%be%d1%85%d0%be%d0%b4%d0%b8%d1%82-%d0%bb%d0%b8-%d0%b4%d0%be%d0%bc%d0%b5%d0%bd-%d0%b4%d0%be-%d1%82%d0%b2%d0%be%d0%b5%d0%b3%d0%be-ip" aria-label="Якорь">#</a>
</span>
</h2>
<p>Первым делом проверяем что домен резолвится в правильный IP. Без этого дальше проверять бессмысленно - браузер просто не знает куда направлять запрос.</p>
<h3 class="relative group">Проверка
<div id="проверка" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%bf%d1%80%d0%be%d0%b2%d0%b5%d1%80%d0%ba%d0%b0" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Проверяем DNS резолв (используй свой домен)</span>
</span></span><span class="line"><span class="cl">dig blog.example.com +short
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Альтернатива если dig не установлен</span>
</span></span><span class="line"><span class="cl">nslookup blog.example.com</span></span></code></pre></div></div>
<h3 class="relative group">Ожидаемый результат
<div id="ожидаемый-результат" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%be%d0%b6%d0%b8%d0%b4%d0%b0%d0%b5%d0%bc%d1%8b%d0%b9-%d1%80%d0%b5%d0%b7%d1%83%d0%bb%d1%8c%d1%82%d0%b0%d1%82" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">77.37.XXX.XXX</span></span></code></pre></div></div>
<p>Должен вернуться твой <strong>публичный IP адрес</strong> (тот который прописан в A-записи у DNS провайдера).</p>
<h3 class="relative group">Что может пойти не так
<div id="что-может-пойти-не-так" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%87%d1%82%d0%be-%d0%bc%d0%be%d0%b6%d0%b5%d1%82-%d0%bf%d0%be%d0%b9%d1%82%d0%b8-%d0%bd%d0%b5-%d1%82%d0%b0%d0%ba" aria-label="Якорь">#</a>
</span>
</h3>
<table>
<thead>
<tr>
<th>Симптом</th>
<th>Причина</th>
<th>Как проверить</th>
<th>Решение</th>
</tr>
</thead>
<tbody>
<tr>
<td>Возвращается старый IP</td>
<td>DNS кеш не обновился</td>
<td><code>dig blog.example.com @8.8.8.8</code></td>
<td>Подожди TTL (обычно 300-3600 сек)</td>
</tr>
<tr>
<td><code>NXDOMAIN</code> ошибка</td>
<td>Домен не делегирован</td>
<td>Проверь NS записи у регистратора</td>
<td>Настрой DNS правильно</td>
</tr>
<tr>
<td>Возвращается <code>127.0.0.1</code></td>
<td>Локальный override</td>
<td><code>cat /etc/hosts | grep blog</code></td>
<td>Удали строку из /etc/hosts</td>
</tr>
<tr>
<td>Возвращается несколько IP</td>
<td>Round-robin DNS</td>
<td>Проверь все ли IP твои</td>
<td>Удали лишние A-записи</td>
</tr>
</tbody>
</table>
<p>Если DNS правильный - идём дальше.</p>
<hr>
<h2 class="relative group">Шаг 2: Внешний доступ - доходит ли запрос до сервера
<div id="шаг-2-внешний-доступ---доходит-ли-запрос-до-сервера" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%88%d0%b0%d0%b3-2-%d0%b2%d0%bd%d0%b5%d1%88%d0%bd%d0%b8%d0%b9-%d0%b4%d0%be%d1%81%d1%82%d1%83%d0%bf---%d0%b4%d0%be%d1%85%d0%be%d0%b4%d0%b8%d1%82-%d0%bb%d0%b8-%d0%b7%d0%b0%d0%bf%d1%80%d0%be%d1%81-%d0%b4%d0%be-%d1%81%d0%b5%d1%80%d0%b2%d0%b5%d1%80%d0%b0" aria-label="Якорь">#</a>
</span>
</h2>
<p>Теперь проверяем что запрос физически доходит до сервера. DNS может быть правильным, но файрвол может блокировать трафик.</p>
<h3 class="relative group">Проверка
<div id="проверка-1" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%bf%d1%80%d0%be%d0%b2%d0%b5%d1%80%d0%ba%d0%b0-1" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Пробуем подключиться извне (важно - НЕ из локальной сети!)</span>
</span></span><span class="line"><span class="cl">curl -v https://blog.example.com 2&gt;<span class="p">&amp;</span><span class="m">1</span> <span class="p">|</span> head -30</span></span></code></pre></div></div>
<p><strong>Важно:</strong> Запускай эту команду с <strong>внешнего</strong> сервера или используй мобильный интернет. Тест из локальной сети ничего не докажет - можешь обходить файрвол.</p>
<h3 class="relative group">Ситуация А: Connection refused или timeout
<div id="ситуация-а-connection-refused-или-timeout" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%81%d0%b8%d1%82%d1%83%d0%b0%d1%86%d0%b8%d1%8f-%d0%b0-connection-refused-%d0%b8%d0%bb%d0%b8-timeout" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">curl: (7) Failed to connect to blog.example.com port 443: Connection refused</span></span></code></pre></div></div>
<p>Запрос вообще не дошёл до сервера. Проблема на сетевом уровне.</p>
<p><strong>Возможные причины:</strong></p>
<p><strong>1. Порт 443 закрыт на файрволе/роутере</strong></p>
<p>Проверь Port Forward правила на OPNsense/MikroTik. Должно быть:</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">WAN:443 → 192.168.X.X:443 (IP любой K3s ноды)</span></span></code></pre></div></div>
<p><strong>2. MetalLB не назначил External IP для Traefik</strong></p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Проверяем MetalLB</span>
</span></span><span class="line"><span class="cl">kubectl get svc -n traefik traefik
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Ожидаемый результат</span>
</span></span><span class="line"><span class="cl">NAME TYPE EXTERNAL-IP PORT<span class="o">(</span>S<span class="o">)</span>
</span></span><span class="line"><span class="cl">traefik LoadBalancer 192.168.X.X 80:30080/TCP,443:30443/TCP</span></span></code></pre></div></div>
<p>Если <code>EXTERNAL-IP</code> показывает <code>&lt;pending&gt;</code> - MetalLB не работает или пул IP адресов не настроен.</p>
<p><strong>3. Traefik под не запущен</strong></p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Проверяем что Traefik работает</span>
</span></span><span class="line"><span class="cl">kubectl get pods -n traefik
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Должны быть все Running</span>
</span></span><span class="line"><span class="cl">NAME READY STATUS
</span></span><span class="line"><span class="cl">traefik-xxxxxxxxxx-xxxxx 1/1 Running</span></span></code></pre></div></div>
<h3 class="relative group">Ситуация Б: TLS handshake прошёл, но 503
<div id="ситуация-б-tls-handshake-прошёл-но-503" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%81%d0%b8%d1%82%d1%83%d0%b0%d1%86%d0%b8%d1%8f-%d0%b1-tls-handshake-%d0%bf%d1%80%d0%be%d1%88%d1%91%d0%bb-%d0%bd%d0%be-503" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">&lt; HTTP/2 503
</span></span><span class="line"><span class="cl">&lt; content-type: text/plain; charset=utf-8
</span></span><span class="line"><span class="cl">&lt; content-length: 20
</span></span><span class="line"><span class="cl">no available server</span></span></code></pre></div></div>
<p>Отлично - наша ситуация! Traefik работает, SSL сертификат отдаёт, но дальше запрос упирается в стену.</p>
<p>Сообщение <code>no available server</code> означает что Traefik <strong>нашёл роутер</strong>, но <strong>не нашёл живой бэкенд</strong> за ним.</p>
<p>Проблема внутри кластера. Идём глубже.</p>
<h3 class="relative group">Ситуация В: SSL certificate problem
<div id="ситуация-в-ssl-certificate-problem" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%81%d0%b8%d1%82%d1%83%d0%b0%d1%86%d0%b8%d1%8f-%d0%b2-ssl-certificate-problem" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">curl: (60) SSL certificate problem: unable to get local issuer certificate</span></span></code></pre></div></div>
<p>Сертификат невалидный или не выпущен.</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Проверяем Certificate объект (используй свой namespace)</span>
</span></span><span class="line"><span class="cl">kubectl get certificate -n blog
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Должно быть READY=True</span>
</span></span><span class="line"><span class="cl">NAME READY SECRET AGE
</span></span><span class="line"><span class="cl">blog-tls True blog-tls 2d</span></span></code></pre></div></div>
<p>Если <code>READY=False</code> - cert-manager не смог выпустить сертификат.</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Смотрим что пошло не так</span>
</span></span><span class="line"><span class="cl">kubectl describe certificate blog-tls -n blog
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Ищем секцию Events внизу вывода - там описание проблемы</span></span></span></code></pre></div></div>
<h3 class="relative group">Главное: Запрос доходит до Traefik
<div id="главное-запрос-доходит-до-traefik" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%b3%d0%bb%d0%b0%d0%b2%d0%bd%d0%be%d0%b5-%d0%b7%d0%b0%d0%bf%d1%80%d0%be%d1%81-%d0%b4%d0%be%d1%85%d0%be%d0%b4%d0%b8%d1%82-%d0%b4%d0%be-traefik" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Проверка (с ВНЕШНЕГО сервера!)</span>
</span></span><span class="line"><span class="cl">curl -I https://blog.example.com
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Ожидаемый результат (любой из двух)</span>
</span></span><span class="line"><span class="cl">HTTP/2 <span class="m">200</span> <span class="c1"># Всё работает</span>
</span></span><span class="line"><span class="cl">HTTP/2 <span class="m">503</span> <span class="c1"># Traefik работает, но бэкенд недоступен</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Если connection refused/timeout - проблема в сети (см. выше)</span></span></span></code></pre></div></div>
<hr>
<h2 class="relative group">Шаг 3: Traefik - правильно ли маршрутизируется трафик
<div id="шаг-3-traefik---правильно-ли-маршрутизируется-трафик" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%88%d0%b0%d0%b3-3-traefik---%d0%bf%d1%80%d0%b0%d0%b2%d0%b8%d0%bb%d1%8c%d0%bd%d0%be-%d0%bb%d0%b8-%d0%bc%d0%b0%d1%80%d1%88%d1%80%d1%83%d1%82%d0%b8%d0%b7%d0%b8%d1%80%d1%83%d0%b5%d1%82%d1%81%d1%8f-%d1%82%d1%80%d0%b0%d1%84%d0%b8%d0%ba" aria-label="Якорь">#</a>
</span>
</h2>
<p>Traefik получил запрос на твой домен. Что он с ним делает? Смотрим логи.</p>
<h3 class="relative group">Проверка логов Traefik
<div id="проверка-логов-traefik" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%bf%d1%80%d0%be%d0%b2%d0%b5%d1%80%d0%ba%d0%b0-%d0%bb%d0%be%d0%b3%d0%be%d0%b2-traefik" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Смотрим последние 50 строк логов Traefik</span>
</span></span><span class="line"><span class="cl">kubectl logs -n traefik deployment/traefik --tail<span class="o">=</span><span class="m">50</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Фильтруем только свой домен (убираем шум от других сервисов)</span>
</span></span><span class="line"><span class="cl">kubectl logs -n traefik deployment/traefik --tail<span class="o">=</span><span class="m">100</span> <span class="p">|</span> grep blog.example</span></span></code></pre></div></div>
<h3 class="relative group">Что искать в логах
<div id="что-искать-в-логах" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%87%d1%82%d0%be-%d0%b8%d1%81%d0%ba%d0%b0%d1%82%d1%8c-%d0%b2-%d0%bb%d0%be%d0%b3%d0%b0%d1%85" aria-label="Якорь">#</a>
</span>
</h3>
<p><strong>Нормальный запрос:</strong></p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-json" data-lang="json"><span class="line"><span class="cl"><span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;request&#34;</span><span class="p">:</span> <span class="s2">&#34;GET / HTTP/2.0&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;status&#34;</span><span class="p">:</span> <span class="mi">200</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;size&#34;</span><span class="p">:</span> <span class="mi">8994</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;router&#34;</span><span class="p">:</span> <span class="s2">&#34;blog-blog-https-xxxxx@kubernetescrd&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;service&#34;</span><span class="p">:</span> <span class="s2">&#34;blog-nginx-blog@kubernetescrd&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;backend&#34;</span><span class="p">:</span> <span class="s2">&#34;http://10.42.2.40:80&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;duration&#34;</span><span class="p">:</span> <span class="mi">12</span>
</span></span><span class="line"><span class="cl"><span class="p">}</span></span></span></code></pre></div></div>
<p>Ключевые поля:</p>
<ul>
<li><strong>router:</strong> Traefik нашёл нужный IngressRoute (<code>blog-blog-https</code>)</li>
<li><strong>backend:</strong> IP пода nginx куда проксируется запрос (<code>10.42.2.40:80</code>)</li>
<li><strong>status:</strong> HTTP код ответа от nginx (<code>200</code> = всё хорошо)</li>
</ul>
<p><strong>Проблемный запрос:</strong></p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-json" data-lang="json"><span class="line"><span class="cl"><span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;request&#34;</span><span class="p">:</span> <span class="s2">&#34;GET / HTTP/2.0&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;status&#34;</span><span class="p">:</span> <span class="mi">503</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;router&#34;</span><span class="p">:</span> <span class="s2">&#34;blog-blog-https-xxxxx@kubernetescrd&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;error&#34;</span><span class="p">:</span> <span class="s2">&#34;no available server&#34;</span>
</span></span><span class="line"><span class="cl"><span class="p">}</span></span></span></code></pre></div></div>
<p>Traefik нашёл роутер, но поле <code>backend</code> отсутствует - под недоступен или не существует.</p>
<h3 class="relative group">Проверяем список IngressRoute
<div id="проверяем-список-ingressroute" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%bf%d1%80%d0%be%d0%b2%d0%b5%d1%80%d1%8f%d0%b5%d0%bc-%d1%81%d0%bf%d0%b8%d1%81%d0%be%d0%ba-ingressroute" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Смотрим все IngressRoute в кластере</span>
</span></span><span class="line"><span class="cl">kubectl get ingressroute -A
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Фильтруем только свой домен</span>
</span></span><span class="line"><span class="cl">kubectl get ingressroute -A <span class="p">|</span> grep blog.example</span></span></code></pre></div></div>
<p><strong>Важный момент:</strong> Если один и тот же домен прописан в <strong>двух разных IngressRoute</strong> из разных namespace - Traefik будет балансировать между ними.</p>
<p>Например:</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">NAMESPACE NAME AGE
</span></span><span class="line"><span class="cl">blog blog-https 10d <span class="c1"># СТАРЫЙ namespace</span>
</span></span><span class="line"><span class="cl">blog-new blog-https 2d <span class="c1"># НОВЫЙ namespace</span></span></span></code></pre></div></div>
<p>Оба IngressRoute имеют <code>match: Host('blog.example.com')</code>. Traefik видит оба, честно балансирует трафик 50/50.</p>
<p>Если один из бэкендов мёртв - половина запросов уходит в пустоту. 503 через раз.</p>
<p><strong>Решение:</strong> Удалить старый IngressRoute:</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Удаляем дубль из старого namespace</span>
</span></span><span class="line"><span class="cl">kubectl delete ingressroute blog-https blog-http -n blog</span></span></code></pre></div></div>
<h3 class="relative group">Проверяем синтаксис match
<div id="проверяем-синтаксис-match" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%bf%d1%80%d0%be%d0%b2%d0%b5%d1%80%d1%8f%d0%b5%d0%bc-%d1%81%d0%b8%d0%bd%d1%82%d0%b0%d0%ba%d1%81%d0%b8%d1%81-match" aria-label="Якорь">#</a>
</span>
</h3>
<p>Traefik очень требователен к синтаксису. Частая ошибка - забыть backticks или скобки.</p>
<p><strong>Неправильно:</strong></p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-yaml" data-lang="yaml"><span class="line"><span class="cl"><span class="nt">match</span><span class="p">:</span><span class="w"> </span><span class="l">Host(blog.example.com) </span><span class="w"> </span><span class="c"># Нет backticks</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="nt">match</span><span class="p">:</span><span class="w"> </span><span class="l">Host `blog.example.com` </span><span class="w"> </span><span class="c"># Нет скобок вокруг Host</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="nt">match</span><span class="p">:</span><span class="w"> </span><span class="l">Host(&#34;blog.example.com&#34;) </span><span class="w"> </span><span class="c"># Двойные кавычки вместо backticks</span></span></span></code></pre></div></div>
<p><strong>Правильно:</strong></p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-yaml" data-lang="yaml"><span class="line"><span class="cl"><span class="nt">match</span><span class="p">:</span><span class="w"> </span><span class="l">Host(`blog.example.com`)</span></span></span></code></pre></div></div>
<p>Проверяем:</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Смотрим манифест IngressRoute</span>
</span></span><span class="line"><span class="cl">kubectl get ingressroute blog-https -n blog -o yaml <span class="p">|</span> grep match:
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Должно быть со скобками и backticks</span>
</span></span><span class="line"><span class="cl">match: Host<span class="o">(</span><span class="sb">`</span>blog.example.com<span class="sb">`</span><span class="o">)</span></span></span></code></pre></div></div>
<h3 class="relative group">Главное: Traefik нашёл роутер
<div id="главное-traefik-нашёл-роутер" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%b3%d0%bb%d0%b0%d0%b2%d0%bd%d0%be%d0%b5-traefik-%d0%bd%d0%b0%d1%88%d1%91%d0%bb-%d1%80%d0%be%d1%83%d1%82%d0%b5%d1%80" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Проверка</span>
</span></span><span class="line"><span class="cl">kubectl logs -n traefik deployment/traefik --tail<span class="o">=</span><span class="m">50</span> <span class="p">|</span> grep blog.example
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Ожидаемый результат - есть строки с &#34;router&#34;: &#34;blog-blog-https&#34;</span>
</span></span><span class="line"><span class="cl"><span class="c1"># Если router не найден - проблема в IngressRoute match синтаксисе</span></span></span></code></pre></div></div>
<hr>
<h2 class="relative group">Шаг 4: Service - видит ли он поды
<div id="шаг-4-service---видит-ли-он-поды" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%88%d0%b0%d0%b3-4-service---%d0%b2%d0%b8%d0%b4%d0%b8%d1%82-%d0%bb%d0%b8-%d0%be%d0%bd-%d0%bf%d0%be%d0%b4%d1%8b" aria-label="Якорь">#</a>
</span>
</h2>
<p>Traefik нашёл роутер, проксирует трафик на Service. Но Service может не видеть поды если selector неправильный.</p>
<h3 class="relative group">Проверка endpoints
<div id="проверка-endpoints" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%bf%d1%80%d0%be%d0%b2%d0%b5%d1%80%d0%ba%d0%b0-endpoints" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Смотрим endpoints для Service (используй своё имя Service)</span>
</span></span><span class="line"><span class="cl">kubectl get endpoints nginx -n blog
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Ожидаемый результат - НЕ пустой список IP</span>
</span></span><span class="line"><span class="cl">NAME ENDPOINTS
</span></span><span class="line"><span class="cl">nginx 10.42.0.44:80,10.42.2.40:80</span></span></code></pre></div></div>
<p>Если видишь <code>&lt;none&gt;</code> - Service не нашёл ни одного пода. Две возможные причины.</p>
<h3 class="relative group">Причина 1: Selector не совпадает с labels
<div id="причина-1-selector-не-совпадает-с-labels" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%bf%d1%80%d0%b8%d1%87%d0%b8%d0%bd%d0%b0-1-selector-%d0%bd%d0%b5-%d1%81%d0%be%d0%b2%d0%bf%d0%b0%d0%b4%d0%b0%d0%b5%d1%82-%d1%81-labels" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Смотрим selector у Service</span>
</span></span><span class="line"><span class="cl">kubectl get svc nginx -n blog -o yaml <span class="p">|</span> grep -A3 <span class="s2">&#34;selector:&#34;</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Вывод</span>
</span></span><span class="line"><span class="cl">selector:
</span></span><span class="line"><span class="cl"> app: nginx
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Смотрим labels у подов</span>
</span></span><span class="line"><span class="cl">kubectl get pods -n blog --show-labels <span class="p">|</span> grep nginx
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Вывод</span>
</span></span><span class="line"><span class="cl">nginx-xxxxxxxxxx-xxxxx 1/1 Running <span class="nv">app</span><span class="o">=</span>nginx-old</span></span></code></pre></div></div>
<p>Видишь проблему? Service ищет <code>app: nginx</code>, а под помечен <code>app: nginx-old</code>. Не совпадает.</p>
<p><strong>Решение:</strong> Исправить Deployment или Service чтобы labels совпадали.</p>
<h3 class="relative group">Причина 2: Поды не Running
<div id="причина-2-поды-не-running" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%bf%d1%80%d0%b8%d1%87%d0%b8%d0%bd%d0%b0-2-%d0%bf%d0%be%d0%b4%d1%8b-%d0%bd%d0%b5-running" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Смотрим статус подов</span>
</span></span><span class="line"><span class="cl">kubectl get pods -n blog
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Видим</span>
</span></span><span class="line"><span class="cl">NAME READY STATUS
</span></span><span class="line"><span class="cl">nginx-xxxxxxxxxx-xxxxx 0/1 CreateContainerError</span></span></code></pre></div></div>
<p>Под существует, но не работает. Service правильно не включает его в endpoints. Идём в следующий шаг - разбираемся почему под не запускается.</p>
<h3 class="relative group">Главное: Service видит поды
<div id="главное-service-видит-поды" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%b3%d0%bb%d0%b0%d0%b2%d0%bd%d0%be%d0%b5-service-%d0%b2%d0%b8%d0%b4%d0%b8%d1%82-%d0%bf%d0%be%d0%b4%d1%8b" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Проверка</span>
</span></span><span class="line"><span class="cl">kubectl get endpoints nginx -n blog
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Ожидаемый результат - НЕ пустой</span>
</span></span><span class="line"><span class="cl">nginx 10.42.0.44:80,10.42.2.40:80
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Если &lt;none&gt; - проблема в селекторах или поды не Running</span></span></span></code></pre></div></div>
<hr>
<h2 class="relative group">Шаг 5: Pod - что происходит внутри контейнера
<div id="шаг-5-pod---что-происходит-внутри-контейнера" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%88%d0%b0%d0%b3-5-pod---%d1%87%d1%82%d0%be-%d0%bf%d1%80%d0%be%d0%b8%d1%81%d1%85%d0%be%d0%b4%d0%b8%d1%82-%d0%b2%d0%bd%d1%83%d1%82%d1%80%d0%b8-%d0%ba%d0%be%d0%bd%d1%82%d0%b5%d0%b9%d0%bd%d0%b5%d1%80%d0%b0" aria-label="Якорь">#</a>
</span>
</h2>
<p>Самый глубокий уровень. Под не запускается или падает в цикле перезапусков.</p>
<h3 class="relative group">Проверка статуса подов
<div id="проверка-статуса-подов" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%bf%d1%80%d0%be%d0%b2%d0%b5%d1%80%d0%ba%d0%b0-%d1%81%d1%82%d0%b0%d1%82%d1%83%d1%81%d0%b0-%d0%bf%d0%be%d0%b4%d0%be%d0%b2" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Смотрим все поды в namespace</span>
</span></span><span class="line"><span class="cl">kubectl get pods -n blog
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Фильтруем только nginx</span>
</span></span><span class="line"><span class="cl">kubectl get pods -n blog <span class="p">|</span> grep nginx</span></span></code></pre></div></div>
<p><strong>Возможные статусы проблем:</strong></p>
<h3 class="relative group">CreateContainerError
<div id="createcontainererror" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#createcontainererror" aria-label="Якорь">#</a>
</span>
</h3>
<p>Контейнер вообще не может стартануть. Обычно проблема с volumes или образом.</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Смотрим детали пода (используй своё имя пода)</span>
</span></span><span class="line"><span class="cl">kubectl describe pod nginx-xxxxxxxxxx-xxxxx -n blog <span class="p">|</span> tail -30</span></span></code></pre></div></div>
<p>Ищем секцию <code>Events</code> внизу вывода. Там будет описание проблемы:</p>
<p><strong>Пример 1: PVC не примонтировался</strong></p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">Events:
</span></span><span class="line"><span class="cl"> Warning FailedMount MountVolume.SetUp failed for volume &#34;blog-public-pvc&#34;:
</span></span><span class="line"><span class="cl"> mount failed: mount.nfs: Connection timed out</span></span></code></pre></div></div>
<p>NFS хранилище недоступно. Возможные причины:</p>
<ul>
<li>NFS сервер выключен или перезагружается</li>
<li>Неправильный IP или путь в PersistentVolume</li>
<li>Файрвол блокирует NFS трафик (порт 2049)</li>
</ul>
<p><strong>Пример 2: Образ не скачался</strong></p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">Events:
</span></span><span class="line"><span class="cl"> Warning Failed Failed to pull image &#34;nginx:latest&#34;: rpc error: code = Unknown</span></span></code></pre></div></div>
<p>Контейнер не может скачать образ. Обычно это означает что <code>imagePullPolicy: Never</code>, а образ не импортирован на ноду.</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Проверяем что образ есть на ноде (используй IP своей worker ноды)</span>
</span></span><span class="line"><span class="cl">ssh user@192.168.X.X <span class="s2">&#34;sudo k3s crictl images | grep nginx&#34;</span></span></span></code></pre></div></div>
<p>Если образа нет - импортируй его через <code>k3s ctr images import</code>.</p>
<p><strong>Пример 3: ConfigMap не найден</strong></p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">Events:
</span></span><span class="line"><span class="cl"> Warning FailedMount ConfigMap &#34;nginx-config&#34; not found</span></span></code></pre></div></div>
<p>Deployment ссылается на несуществующий ConfigMap.</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Проверяем что ConfigMap существует</span>
</span></span><span class="line"><span class="cl">kubectl get configmap -n blog <span class="p">|</span> grep nginx-config</span></span></code></pre></div></div>
<p>Если нет - создай или исправь имя в Deployment.</p>
<h3 class="relative group">CrashLoopBackOff
<div id="crashloopbackoff" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#crashloopbackoff" aria-label="Якорь">#</a>
</span>
</h3>
<p>Контейнер запускается, но сразу падает. Смотрим логи <strong>предыдущего</strong> запуска:</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Логи последнего упавшего контейнера</span>
</span></span><span class="line"><span class="cl">kubectl logs nginx-xxxxxxxxxx-xxxxx -n blog --previous</span></span></code></pre></div></div>
<p><strong>Пример: Nginx падает из-за неправильного конфига</strong></p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">nginx: [emerg] unexpected &#34;}&#34; in /etc/nginx/nginx.conf:15
</span></span><span class="line"><span class="cl">nginx: configuration file /etc/nginx/nginx.conf test failed</span></span></code></pre></div></div>
<p>Синтаксическая ошибка в <code>nginx.conf</code>. Проверяем ConfigMap:</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Смотрим содержимое конфига</span>
</span></span><span class="line"><span class="cl">kubectl get configmap nginx-config -n blog -o yaml</span></span></code></pre></div></div>
<p>Находим ошибку, исправляем, применяем. Под перезапустится автоматически.</p>
<h3 class="relative group">Главное: Под работает
<div id="главное-под-работает" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%b3%d0%bb%d0%b0%d0%b2%d0%bd%d0%be%d0%b5-%d0%bf%d0%be%d0%b4-%d1%80%d0%b0%d0%b1%d0%be%d1%82%d0%b0%d0%b5%d1%82" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Проверка</span>
</span></span><span class="line"><span class="cl">kubectl get pods -n blog <span class="p">|</span> grep nginx
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Ожидаемый результат - все Running</span>
</span></span><span class="line"><span class="cl">nginx-xxxxxxxxxx-xxxxx 1/1 Running <span class="m">0</span> 2d
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Если не Running - смотри troubleshooting выше</span></span></span></code></pre></div></div>
<hr>
<h2 class="relative group">Шаг 6: Контент - есть ли файлы для отдачи
<div id="шаг-6-контент---есть-ли-файлы-для-отдачи" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%88%d0%b0%d0%b3-6-%d0%ba%d0%be%d0%bd%d1%82%d0%b5%d0%bd%d1%82---%d0%b5%d1%81%d1%82%d1%8c-%d0%bb%d0%b8-%d1%84%d0%b0%d0%b9%d0%bb%d1%8b-%d0%b4%d0%bb%d1%8f-%d0%be%d1%82%d0%b4%d0%b0%d1%87%d0%b8" aria-label="Якорь">#</a>
</span>
</h2>
<p>Под работает, Service видит его, Traefik проксирует трафик. Но сайт отдаёт <code>404 Not Found</code> или пустую страницу.</p>
<p>Проблема: Hugo Builder не записал файлы на NFS или записал не туда.</p>
<h3 class="relative group">Проверка
<div id="проверка-2" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%bf%d1%80%d0%be%d0%b2%d0%b5%d1%80%d0%ba%d0%b0-2" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Заходим в под nginx (используй своё имя пода)</span>
</span></span><span class="line"><span class="cl">kubectl <span class="nb">exec</span> -it nginx-xxxxxxxxxx-xxxxx -n blog -- sh
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Внутри пода смотрим что примонтировалось</span>
</span></span><span class="line"><span class="cl">ls -la /usr/share/nginx/html/
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Должен быть index.html и папки posts, tags, etc</span></span></span></code></pre></div></div>
<p><strong>Если директория пустая</strong> - Hugo Builder не сработал. Проверяем его логи:</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Логи Hugo Builder</span>
</span></span><span class="line"><span class="cl">kubectl logs -n blog deployment/hugo-builder-prod --tail<span class="o">=</span><span class="m">50</span></span></span></code></pre></div></div>
<p>Ищем строку <code>Build successful!</code> и список созданных файлов. Если её нет:</p>
<ol>
<li><strong>Webhook не сработал</strong> - проверь настройки webhook в Gitea</li>
<li><strong>Hugo упал с ошибкой</strong> - читай логи выше, смотри на что ругается</li>
<li><strong>Собрал в другую директорию</strong> - проверь переменную <code>OUTPUT_DIR</code> в build.sh</li>
</ol>
<h3 class="relative group">Главное: Контент на месте
<div id="главное-контент-на-месте" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%b3%d0%bb%d0%b0%d0%b2%d0%bd%d0%be%d0%b5-%d0%ba%d0%be%d0%bd%d1%82%d0%b5%d0%bd%d1%82-%d0%bd%d0%b0-%d0%bc%d0%b5%d1%81%d1%82%d0%b5" aria-label="Якорь">#</a>
</span>
</h3>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Проверка (используй своё имя пода)</span>
</span></span><span class="line"><span class="cl">kubectl <span class="nb">exec</span> -it nginx-xxxxxxxxxx-xxxxx -n blog -- ls /usr/share/nginx/html/ <span class="p">|</span> head -5
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Ожидаемый результат</span>
</span></span><span class="line"><span class="cl">index.html
</span></span><span class="line"><span class="cl">posts/
</span></span><span class="line"><span class="cl">tags/
</span></span><span class="line"><span class="cl">categories/
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Если пусто - Hugo Builder не отработал (см. выше)</span></span></span></code></pre></div></div>
<hr>
<h2 class="relative group">Быстрый чеклист для любой проблемы
<div id="быстрый-чеклист-для-любой-проблемы" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%b1%d1%8b%d1%81%d1%82%d1%80%d1%8b%d0%b9-%d1%87%d0%b5%d0%ba%d0%bb%d0%b8%d1%81%d1%82-%d0%b4%d0%bb%d1%8f-%d0%bb%d1%8e%d0%b1%d0%be%d0%b9-%d0%bf%d1%80%d0%be%d0%b1%d0%bb%d0%b5%d0%bc%d1%8b" aria-label="Якорь">#</a>
</span>
</h2>
<p>Сохрани эту последовательность - она работает для 95% проблем:</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">[ ] DNS: dig домен → правильный IP?
</span></span><span class="line"><span class="cl">[ ] Сеть: curl -v https://домен → доходит до Traefik?
</span></span><span class="line"><span class="cl">[ ] MetalLB: kubectl get svc -n traefik → External IP назначен?
</span></span><span class="line"><span class="cl">[ ] Traefik: kubectl get pods -n traefik → Running?
</span></span><span class="line"><span class="cl">[ ] IngressRoute: kubectl get ingressroute -A | grep домен → нет дублей?
</span></span><span class="line"><span class="cl">[ ] Match синтаксис: Host(`домен`) со скобками и backticks?
</span></span><span class="line"><span class="cl">[ ] Endpoints: kubectl get endpoints -n namespace → не пустые?
</span></span><span class="line"><span class="cl">[ ] Selector: labels подов совпадают с selector Service?
</span></span><span class="line"><span class="cl">[ ] Pods: kubectl get pods -n namespace → все Running?
</span></span><span class="line"><span class="cl">[ ] PVC: kubectl get pvc -n namespace → все Bound?
</span></span><span class="line"><span class="cl">[ ] Контент: kubectl exec ls /usr/share/nginx/html → файлы есть?</span></span></code></pre></div></div>
<p>Проходишь по списку сверху вниз. Останавливаешься на первом <code>[ ]</code> где что-то не так. Чинишь. Проверяешь снова.</p>
<p>Не прыгай хаотично между уровнями. Алгоритм экономит время.</p>
<hr>
<h2 class="relative group">Реальный пример: 503 через раз
<div id="реальный-пример-503-через-раз" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%80%d0%b5%d0%b0%d0%bb%d1%8c%d0%bd%d1%8b%d0%b9-%d0%bf%d1%80%d0%b8%d0%bc%d0%b5%d1%80-503-%d1%87%d0%b5%d1%80%d0%b5%d0%b7-%d1%80%d0%b0%d0%b7" aria-label="Якорь">#</a>
</span>
</h2>
<p>Мой сайт отдавал <code>503</code> примерно в 50% запросов. Половина запросов работала, половина нет.</p>
<p>Прошёл по алгоритму:</p>
<ol>
<li>✅ DNS - правильный IP</li>
<li>✅ Сеть - Traefik отвечает</li>
<li>✅ MetalLB - External IP назначен</li>
<li>✅ Traefik - поды Running</li>
<li>❌ IngressRoute - <strong>два роутера на один домен</strong></li>
</ol>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">kubectl get ingressroute -A <span class="p">|</span> grep oakazanin
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl">NAMESPACE NAME
</span></span><span class="line"><span class="cl">blog blog-https <span class="c1"># СТАРЫЙ, бэкенд в CreateContainerError</span>
</span></span><span class="line"><span class="cl">oakazanin blog-https <span class="c1"># НОВЫЙ, работает</span></span></span></code></pre></div></div>
<p>Traefik видел два роутера, честно балансировал трафик 50/50. Каждый второй запрос улетал в мёртвый <code>blog/nginx</code>.</p>
<p>Диагноз поставлен за 3 минуты. Лечение - одна команда:</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Удаляем дубль из старого namespace</span>
</span></span><span class="line"><span class="cl">kubectl delete ingressroute blog-https blog-http -n blog</span></span></code></pre></div></div>
<p>Мораль: <strong>всегда чисти за собой</strong>. Старые namespace с нерабочими сервисами - источник неочевидных проблем.</p>
<hr>
<h2 class="relative group">Откат и cleanup
<div id="откат-и-cleanup" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d0%be%d1%82%d0%ba%d0%b0%d1%82-%d0%b8-cleanup" aria-label="Якорь">#</a>
</span>
</h2>
<p>Если в процессе диагностики что-то сломал ещё больше - откатываемся:</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Восстанавливаем предыдущую версию манифеста</span>
</span></span><span class="line"><span class="cl">kubectl apply -f nginx-deployment.yaml
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Перезапускаем поды принудительно</span>
</span></span><span class="line"><span class="cl">kubectl rollout restart deployment/nginx -n blog
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># Смотрим что изменения применились</span>
</span></span><span class="line"><span class="cl">kubectl rollout status deployment/nginx -n blog</span></span></code></pre></div></div>
<p><strong>Золотое правило:</strong> Перед экспериментами делай бэкапы манифестов:</p>
<div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Экспортируем текущее состояние с датой</span>
</span></span><span class="line"><span class="cl">kubectl get deployment,service,ingressroute -n blog -o yaml &gt; backup-<span class="k">$(</span>date +%Y%m%d<span class="k">)</span>.yaml</span></span></code></pre></div></div>
<hr>
<h2 class="relative group">Что дальше
<div id="что-дальше" class="anchor"></div>
<span
class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none">
<a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%d1%87%d1%82%d0%be-%d0%b4%d0%b0%d0%bb%d1%8c%d1%88%d0%b5" aria-label="Якорь">#</a>
</span>
</h2>
<p>Ты умеешь диагностировать проблемы. Но лучше их вообще не создавать.</p>
<p>В следующей части покажу как правильно мигрировать сервисы между namespace - без даунтайма, дублей IngressRoute и других сюрпризов которые приводят к 503.</p>
<p>Разберём реальный пример: переносим Gitea между namespace с NFS данными, получаем новый SSL за 32 секунды, и удаляем старый namespace навсегда.</p>
<hr>
<p><strong>Стек этой части:</strong></p>
<ul>
<li>Traefik 2.11 IngressRoute</li>
<li>Kubernetes 1.30 (K3s)</li>
<li>kubectl CLI</li>
<li>curl для внешних проверок</li>
<li>dig для DNS диагностики</li>
</ul>
</div>
<details class="mt-2 mb-5 overflow-hidden rounded-lg ms-0 ps-5">
<summary
class="py-1 text-lg font-semibold cursor-pointer bg-primary-200 text-neutral-800 -ms-5 ps-5 dark:bg-primary-800 dark:text-neutral-100">
Блог на Hugo в K3s -
Эта статья — часть серии.
</summary>
<div
class="py-1 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
<a href="/posts/blog-part-1-architecture/">
Часть 1:
Блог на Hugo в K3s: часть 1 - архитектура и первый запуск
</a>
</div>
<div
class="py-1 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
<a href="/posts/blog-part-2-k8s-deployment/">
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Блог на Hugo в K3s: часть 2 - деплой в кластер
</a>
</div>
<div
class="py-1 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
<a href="/posts/blog-part-3-dev-environment/">
Часть 3:
Блог на Hugo в K3s: часть 3 - development окружение
</a>
</div>
<div
class="py-1 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
<a href="/posts/blog-part-4-git-workflow/">
Часть 4:
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</a>
</div>
<div
class="py-1 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
Часть 5:
Ты уже здесь
</div>
<div
class="py-1 border-dotted border-neutral-300 border-s-1 -ms-5 ps-5 dark:border-neutral-600">
<a href="/posts/blog-part-6-namespace-migration/">
Часть 6:
Блог на Hugo в K3s: часть 6 - миграция между namespace
</a>
</div>
</details>
<h2 class="mt-8 text-2xl font-extrabold mb-10">Статьи по теме</h2>
<section class="w-full grid gap-4 sm:grid-cols-2 md:grid-cols-3">
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<div
id="search-wrapper"
class="invisible fixed inset-0 flex h-screen w-screen cursor-default flex-col bg-neutral-500/50 p-4 backdrop-blur-sm dark:bg-neutral-900/50 sm:p-6 md:p-[10vh] lg:p-[12vh] z-500"
data-url="http://192.168.11.190:1313/">
<div
id="search-modal"
class="flex flex-col w-full max-w-3xl min-h-0 mx-auto border rounded-md shadow-lg top-20 border-neutral-200 bg-neutral dark:border-neutral-700 dark:bg-neutral-800">
<header class="relative z-10 flex items-center justify-between flex-none px-2">
<form class="flex items-center flex-auto min-w-0">
<div class="flex items-center justify-center w-8 h-8 text-neutral-400">
<span class="relative block icon"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="search" class="svg-inline--fa fa-search fa-w-16" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M505 442.7L405.3 343c-4.5-4.5-10.6-7-17-7H372c27.6-35.3 44-79.7 44-128C416 93.1 322.9 0 208 0S0 93.1 0 208s93.1 208 208 208c48.3 0 92.7-16.4 128-44v16.3c0 6.4 2.5 12.5 7 17l99.7 99.7c9.4 9.4 24.6 9.4 33.9 0l28.3-28.3c9.4-9.4 9.4-24.6.1-34zM208 336c-70.7 0-128-57.2-128-128 0-70.7 57.2-128 128-128 70.7 0 128 57.2 128 128 0 70.7-57.2 128-128 128z"/></svg>
</span>
</div>
<input
type="search"
id="search-query"
class="flex flex-auto h-12 mx-1 bg-transparent appearance-none focus:outline-dotted focus:outline-2 focus:outline-transparent"
placeholder="Поиск"
tabindex="0">
</form>
<button
id="close-search-button"
class="flex items-center justify-center w-8 h-8 text-neutral-700 hover:text-primary-600 dark:text-neutral dark:hover:text-primary-400"
title="Закрыть (Esc)">
<span class="relative block icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path fill="currentColor" d="M310.6 361.4c12.5 12.5 12.5 32.75 0 45.25C304.4 412.9 296.2 416 288 416s-16.38-3.125-22.62-9.375L160 301.3L54.63 406.6C48.38 412.9 40.19 416 32 416S15.63 412.9 9.375 406.6c-12.5-12.5-12.5-32.75 0-45.25l105.4-105.4L9.375 150.6c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0L160 210.8l105.4-105.4c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-105.4 105.4L310.6 361.4z"/></svg>
</span>
</button>
</header>
<section class="flex-auto px-2 overflow-auto">
<ul id="search-results">
</ul>
</section>
</div>
</div>
</div>
</body>
</html>
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