{"id":86853,"date":"2020-06-30T19:41:57","date_gmt":"2020-06-30T17:41:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/monitoring-oshibok-s-pomoshhyu-sentry-vo-frontend-prilozheniyah-napisannyh-na-javascript-chast-1"},"modified":"2020-06-30T19:41:57","modified_gmt":"2020-06-30T17:41:57","slug":"monitoring-oshibok-s-pomoshhyu-sentry-vo-frontend-prilozheniyah-napisannyh-na-javascript-chast-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/monitoring-oshibok-s-pomoshhyu-sentry-vo-frontend-prilozheniyah-napisannyh-na-javascript-chast-1","title":{"rendered":"Monitoramento de erros com Sentry em aplica\u00e7\u00f5es frontend escritas em JavaScript: Parte 1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Servi\u00e7o <em>Sentry<\/em> permite monitorar remotamente bugs em aplica\u00e7\u00f5es frontend escritas em <em>JavaScript<\/em>.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitoramento de erros com Sentry em aplica\u00e7\u00f5es frontend escritas em JavaScript: Parte 1\" src=\"\/wp-content\/uploads\/2020\/06\/26936c2af48cb0d849eca4abd21b7deb.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Tentar resolver problemas em aplica\u00e7\u00f5es frontend em <em>JavaScript<\/em> pode ser uma tarefa desafiadora, uma vez que eles ocorrem no navegador do usu\u00e1rio, ao qual, muitas vezes, voc\u00ea n\u00e3o tem acesso. No entanto, <em>Sentry<\/em> oferece a capacidade de monitorar remotamente bugs.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/larkintuckerllc\/hello-sentry\">Aqui<\/a><\/noindex> \u00e9 poss\u00edvel baixar as solu\u00e7\u00f5es discutidas neste artigo.<\/p>\n<p><\/p>\n<p><strong>O que \u00e9 necess\u00e1rio<\/strong><\/p>\n<p><\/p>\n<p>Se voc\u00ea deseja usar esses exemplos, precisar\u00e1 de:<\/p>\n<p><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/nodejs.org\/en\/\"><em>Node.js<\/em><\/a><\/noindex>: Uma ferramenta multifuncional para desenvolvimento que n\u00e3o faz parte da aplica\u00e7\u00e3o. N\u00f3s baixamos a \u00faltima vers\u00e3o LTS (8.12.0)<\/li>\n<li><em>Sentry<\/em>: Ou uma conta no servi\u00e7o Sentry (\u00e9 poss\u00edvel registrar at\u00e9 10 mil bugs por m\u00eas gratuitamente) ou um Sentry local instalado \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/getsentry\/onpremise\">https:\/\/github.com\/getsentry\/onpremise<\/a><\/noindex><\/li>\n<\/ul>\n<p><\/p>\n<p><strong>Instala\u00e7\u00e3o no seu servidor<\/strong><\/p>\n<p><\/p>\n<p>Para instalar o Sentry On-Premise no seu servidor, voc\u00ea pode seguir 2 caminhos<\/p>\n<p><\/p>\n<ol>\n<li>\n<p>Construir rpm e instal\u00e1-los \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/500632\/\">https:\/\/habr.com\/ru\/post\/500632\/<\/a><\/noindex><\/p>\n<p>\n<\/li>\n<li>\n<p>Utilizar o instalador oficial:<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">Instalar docker e docker-compose no servidor\ngit clone https:\/\/github.com\/getsentry\/onpremise.git\n.\/install.sh<\/code><\/pre>\n<p>\n<\/li>\n<\/ol>\n<p><\/p>\n<p><strong>Uso padr\u00e3o<\/strong><\/p>\n<p><\/p>\n<p>Para come\u00e7ar, adicione um novo <em>Sentry<\/em>-projeto para a aplica\u00e7\u00e3o no site do servi\u00e7o. Ap\u00f3s selecionar o idioma desejado, voc\u00ea receber\u00e1 a documenta\u00e7\u00e3o correspondente. Em nosso caso, escolhemos <em>JavaScript<\/em>.<\/p>\n<p><\/p>\n<p>O primeiro exemplo \u00e9 o padr\u00e3o <em>JavaScript<\/em>. Aqui h\u00e1 dois bot\u00f5es: <em>\u00abHello\u00bb<\/em> (Ol\u00e1) e <em>\u00abError\u00bb<\/em> (Erro).<\/p>\n<p><\/p>\n<p>Ap\u00f3s clicar no bot\u00e3o <em>\u00abHello\u00bb<\/em>, a tela ser\u00e1 recarregada, e o bloco <em>try<\/em> detectar\u00e1 e capturar\u00e1 o bug. Depois que o bug for \u00abcapturado\u00bb, o relat\u00f3rio de erro \u00e9 enviado manualmente para o servi\u00e7o <em>Sentry<\/em>.<\/p>\n<p><\/p>\n<p>O bot\u00e3o \u00abError\u00bb permite simplesmente detectar o bug.<\/p>\n<p><\/p>\n<p><em>vanilla \/ index.html<\/em><\/p>\n<p><\/p>\n<pre><code class=\"html\">&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n&lt;head&gt;\n&lt;meta charset=&quot;UTF-8&quot;&gt;\n&lt;title&gt;Baunilha&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n  &lt;button id=&quot;hello&quot;&gt;Ol&aacute;&lt;\/button&gt;\n  &lt;button id=&quot;error&quot;&gt;Erro&lt;\/button&gt;\n  &lt;div id=&quot;output&quot;&gt;&lt;\/div&gt;\n  &lt;script src=&quot;https:\/\/browser.sentry-cdn.com\/4.0.5\/bundle.min.js&quot; crossorigin=&quot;anonymous&quot;&gt;&lt;\/script&gt;\n  &lt;script&gt;\n    (function () {\n      &#039;use strict&#039;;\n      Sentry.init({ dsn: &#039;https:\/\/b5bf359072254626aba8e64368e77b7d@sentry.io\/1289664&#039; });\n      var helloEl = document.getElementById(&#039;hello&#039;);\n      var errorEl = document.getElementById(&#039;error&#039;);\n      var outputEl = document.getElementById(&#039;output&#039;);\n      helloEl.addEventListener(&#039;click&#039;, handleHelloClick);\n      errorEl.addEventListener(&#039;click&#039;, handleErrorClick);\n      function handleHelloClick() {\n        outputEl.innerHTML = &#039;Hello World&#039;;\n        try {\n          throw new Error(&#039;Caught&#039;);\n        } catch (err) {\n          Sentry.captureException(err);\n        }\n      }\n      function handleErrorClick() {\n        throw new Error(&#039;Uncaught&#039;);\n      }\n    })();\n  &lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<p><\/p>\n<p>Notas:<\/p>\n<p><\/p>\n<ul>\n<li>Sentry \u00e9 instalado a partir do CDN e aparece como uma vari\u00e1vel global<\/li>\n<li>Mais cedo, executamos o Sentry em nosso JavaScript<\/li>\n<\/ul>\n<p><\/p>\n<p>Para testar este exemplo, podemos usar uma plataforma de servidor web est\u00e1tico <em>Node.js<\/em>: <em>servidor http<\/em>. Vamos para a pasta onde o arquivo <em>index.html<\/em>, est\u00e1 localizado e digitamos (a op\u00e7\u00e3o desativa o cache) a seguinte linha para abrir no navegador o endere\u00e7o <noindex><a rel=\"nofollow\" href=\"http:\/\/localhost:8080\/\"><em>http:\/\/localhost:8080<\/em><\/a><\/noindex>.<\/p>\n<p><\/p>\n<p><strong>Como os bugs capturados s\u00e3o exibidos<\/strong><\/p>\n<p><\/p>\n<p>Primeiro, clicamos no bot\u00e3o <em>\u00abHello\u00bb<\/em>.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitoramento de erros com Sentry em aplica\u00e7\u00f5es frontend escritas em JavaScript: Parte 1\" src=\"\/wp-content\/uploads\/2020\/06\/ce1390a129b56988a5630b65d7152b85.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Capturamos um bug, portanto ele n\u00e3o aparecer\u00e1 no topo da pilha de chamadas, assim n\u00e3o ser\u00e1 monitorado no console. No entanto, como estamos enviando <em>Sentry<\/em> o relat\u00f3rio de bug manualmente, veremos uma mensagem sobre ele na conta.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitoramento de erros com Sentry em aplica\u00e7\u00f5es frontend escritas em JavaScript: Parte 1\" src=\"\/wp-content\/uploads\/2020\/06\/4660395849c963cf6b6bce03cdf74013.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Notas:<\/p>\n<p><\/p>\n<ul>\n<li>Podemos verificar em qual linha (24) o bug se infiltrou<\/li>\n<li>Al\u00e9m disso, a trilha de navega\u00e7\u00e3o mostra as a\u00e7\u00f5es do navegador que levaram ao erro.<\/li>\n<\/ul>\n<p><\/p>\n<p><strong>Como erros capturados s\u00e3o exibidos<\/strong><\/p>\n<p><\/p>\n<p>Clicamos no bot\u00e3o <em>\u00abErro\u00bb.<\/em><\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitoramento de erros com Sentry em aplica\u00e7\u00f5es frontend escritas em JavaScript: Parte 1\" src=\"\/wp-content\/uploads\/2020\/06\/d6b3e92ac9bda497d6bb5f2987bef8d9.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>O bug aparece no topo da pilha de chamadas e, assim, a mensagem de erro \u00e9 exibida no console. Em seguida, o Sentry monitora automaticamente o bug, sem nenhuma a\u00e7\u00e3o adicional.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitoramento de erros com Sentry em aplica\u00e7\u00f5es frontend escritas em JavaScript: Parte 1\" src=\"\/wp-content\/uploads\/2020\/06\/554ada29ebadba636ad7e0edb0b8a104.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Notas:<\/p>\n<p><\/p>\n<ul>\n<li>Podemos ver em qual linha (30) o bug se perdeu<\/li>\n<li>N\u00e3o est\u00e1 prevista a trilha de navega\u00e7\u00e3o (n\u00e3o entendo muito bem o porqu\u00ea)<\/li>\n<\/ul>\n<p><\/p>\n<p><strong>Como garantir a seguran\u00e7a do projeto<\/strong><\/p>\n<p><\/p>\n<p>Voc\u00ea pode ter notado a forma como controlamos as p\u00e1ginas que podem enviar relat\u00f3rios de erros para nosso projeto <em>Sentry<\/em>; atrav\u00e9s de <em>dsn<\/em> registros. O problema \u00e9 que qualquer pessoa que visualizar o c\u00f3digo-fonte da sua p\u00e1gina pode ver a entrada.<\/p>\n<p><\/p>\n<p>Para evitar isso, precisamos limitar o n\u00famero de dom\u00ednios que podem enviar relat\u00f3rios de erros para nosso projeto. Neste exemplo, usamos <em>localhost<\/em> (localhost). Esta op\u00e7\u00e3o \u00e9 configurada na aba de configura\u00e7\u00f5es <em>Sentry<\/em>-do projeto, <em>Configura\u00e7\u00e3o do Projeto Sentry<\/em>.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitoramento de erros com Sentry em aplica\u00e7\u00f5es frontend escritas em JavaScript: Parte 1\" src=\"\/wp-content\/uploads\/2020\/06\/fc8990a261c2c3673a9b8eda6eaf1fd0.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><strong>Lan\u00e7amentos<\/strong><\/p>\n<p><\/p>\n<p>Se pensarmos em como usar <em>Sentry<\/em> em diferentes varia\u00e7\u00f5es do nosso aplicativo, precisamos de um mecanismo que ir\u00e1 marcar os erros com o n\u00famero da vers\u00e3o.<\/p>\n<p><\/p>\n<p>N\u00e3o queremos que um bug que corrigimos reapare\u00e7a, enquanto pensamos que aquilo que consertamos n\u00e3o funcionou. Pode acontecer que um usu\u00e1rio tenha iniciado uma vers\u00e3o mais antiga e armazenada em cache do aplicativo.<\/p>\n<p><\/p>\n<p>Para resolver o problema, precisamos inserir o identificador <em>do lan\u00e7amento<\/em> (vers\u00e3o) ao iniciar <em>Sentry<\/em>.<\/p>\n<p><\/p>\n<p><em>vanilla \/ index.html<\/em><\/p>\n<p><\/p>\n<pre><code class=\"javascript\">...\nvar RELEASE = '0.1.0';\nSentry.init({\n  dsn: 'https:\/\/b5bf359072254626aba8e64368e77b7d@sentry.io\/1289664',\n  release: RELEASE,\n});\n...<\/code><\/pre>\n<p><\/p>\n<p>Depois disso, todos os novos erros ser\u00e3o marcados como <em>release (0.1.0)<\/em>, ou seja, estar\u00e3o vinculados \u00e0 vers\u00e3o correta do c\u00f3digo.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitoramento de erros com Sentry em aplica\u00e7\u00f5es frontend escritas em JavaScript: Parte 1\" src=\"\/wp-content\/uploads\/2020\/06\/b9776d3b6f9ebe94915c53374937dddc.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Notas:<\/p>\n<p><\/p>\n<ul>\n<li>Examinamos uma forma simples de usar lan\u00e7amentos<\/li>\n<li>O Sentry permite aplicar uma abordagem mais <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.sentry.io\/learn\/releases\/?platform=javascript\"><em>complexa<\/em> delas <em>uso<\/em><\/a><\/noindex>, que est\u00e1 intimamente ligada a <em>GitHub<\/em>. Essa fun\u00e7\u00e3o permite rastrear bugs antes de certas opera\u00e7\u00f5es serem realizadas.<\/li>\n<\/ul>\n<p><\/p>\n<p>P.S. A segunda parte \u00e9 mais longa, ent\u00e3o ser\u00e1 em uma postagem separada.<\/p>\n<p><\/p>\n<p>P.S. Chat do Telegram Sentry <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/sentry_ru\">https:\/\/t.me\/sentry_ru<\/a><\/noindex><\/p>\n<p><\/p>\n<p>P.S. Esqueci de mencionar que esta \u00e9 a tradu\u00e7\u00e3o de uma postagem <noindex><a rel=\"nofollow\" href=\"https:\/\/codeburst.io\/sentry-error-reporting-by-example-part-1-999b2df11556\">https:\/\/codeburst.io\/sentry-error-reporting-by-example-part-1-999b2df11556<\/a><\/noindex><\/p>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/508686\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0435\u0440\u0432\u0438\u0441 Sentry \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u0442\u044c \u0431\u0430\u0433\u0438 \u0432 \u0444\u0440\u043e\u043d\u0442\u0435\u043d\u0434-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 JavaScript. \u041f\u043e\u043f\u044b\u0442\u043a\u0430 \u0443\u0441\u0442\u0440\u0430\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0432 \u0444\u0440\u043e\u043d\u0442\u0435\u043d\u0434-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445 \u043d\u0430 JavaScript \u043c\u043e\u0436\u0435\u0442 \u043e\u043a\u0430\u0437\u0430\u0442\u044c\u0441\u044f \u043d\u0435\u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u043a\u043e\u0439, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043e\u043d\u0438 \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u044e\u0442 \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f, \u043a \u0447\u0435\u043c\u0443, \u0437\u0430\u0447\u0430\u0441\u0442\u0443\u044e, \u0443 \u0432\u0430\u0441 \u043d\u0435\u0442 \u0434\u043e\u0441\u0442\u0443\u043f\u0430. \u041e\u0434\u043d\u0430\u043a\u043e, Sentry \u0434\u0430\u0435\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u0442\u044c \u0431\u0430\u0433\u0438. \u0417\u0434\u0435\u0441\u044c \u043c\u043e\u0436\u043d\u043e \u0441\u043a\u0430\u0447\u0430\u0442\u044c \u0440\u0435\u0448\u0435\u043d\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u043b\u0438\u0441\u044c \u0432 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435. \u0427\u0442\u043e \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0415\u0441\u043b\u0438 \u0432\u044b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":86854,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-86853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u0435\u0440\u0432\u0438\u0441 Sentry \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u0442\u044c \u0431\u0430\u0433\u0438 \u0432 \u0444\u0440\u043e\u043d\u0442\u0435\u043d\u0434-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 JavaScript.\" \/>\n\t<meta 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