{"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\/sk\/blog\/administrirovanie\/monitoring-oshibok-s-pomoshhyu-sentry-vo-frontend-prilozheniyah-napisannyh-na-javascript-chast-1","title":{"rendered":"Monitorovanie ch\u00fdb pomocou Sentry vo front-end aplik\u00e1ci\u00e1ch nap\u00edsan\u00fdch v JavaScripte: \u010cas\u0165 1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Slu\u017eba <em>Sentry<\/em> umo\u017e\u0148uje vzdialene monitorova\u0165 chyby vo frontendov\u00fdch aplik\u00e1ci\u00e1ch nap\u00edsan\u00fdch v <em>JavaScript<\/em>.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitorovanie ch\u00fdb pomocou Sentry vo front-end aplik\u00e1ci\u00e1ch nap\u00edsan\u00fdch v JavaScripte: \u010cas\u0165 1\" src=\"\/wp-content\/uploads\/2020\/06\/26936c2af48cb0d849eca4abd21b7deb.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Pok\u00fasi\u0165 sa odstr\u00e1ni\u0165 probl\u00e9my v frontendov\u00fdch aplik\u00e1ci\u00e1ch na <em>JavaScript<\/em> m\u00f4\u017ee by\u0165 n\u00e1ro\u010dn\u00e1 \u00faloha, preto\u017ee sa vyskytuj\u00fa v prehliada\u010di pou\u017e\u00edvate\u013ea, ku ktor\u00e9mu \u010dasto nem\u00e1te pr\u00edstup. Av\u0161ak, <em>Sentry<\/em> umo\u017e\u0148uje vzdialene monitorova\u0165 chyby.<\/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\">Tu<\/a><\/noindex> m\u00f4\u017eete si stiahnu\u0165 rie\u0161enia, ktor\u00e9 sa uv\u00e1dzali v tomto \u010dl\u00e1nku.<\/p>\n<p><\/p>\n<p><strong>\u010co potrebujete<\/strong><\/p>\n<p><\/p>\n<p>Ak chcete vyu\u017ei\u0165 tieto pr\u00edklady, budete potrebova\u0165:<\/p>\n<p><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/nodejs.org\/en\/\"><em>Node.js<\/em><\/a><\/noindex>: Multifunk\u010dn\u00fd n\u00e1stroj na v\u00fdvoj, ktor\u00fd nie je s\u00fa\u010das\u0165ou aplik\u00e1cie. Stiahli sme posledn\u00fa LTS verziu (8.12.0)<\/li>\n<li><em>Sentry<\/em>: Bu\u010f \u00fa\u010det v slu\u017ebe Sentry (m\u00f4\u017eete bezplatne zaznamen\u00e1va\u0165 a\u017e 10 000 ch\u00fdb za mesiac) alebo nain\u0161talovan\u00fd lok\u00e1lny Sentry \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>In\u0161tal\u00e1cia na v\u00e1\u0161 server<\/strong><\/p>\n<p><\/p>\n<p>Pre in\u0161tal\u00e1ciu Sentry On-Premise na va\u0161e servery m\u00f4\u017eete \u00eds\u0165 dvoma cestami<\/p>\n<p><\/p>\n<ol>\n<li>\n<p>Zostavi\u0165 rpm a nain\u0161talova\u0165 ich \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>Vyu\u017ei\u0165 ofici\u00e1lny in\u0161tal\u00e1tor:<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">Nain\u0161talujte na server docker a docker-compose\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>\u0160tandardn\u00e9 pou\u017eitie<\/strong><\/p>\n<p><\/p>\n<p>Aby ste za\u010dali, pridajte z webovej str\u00e1nky slu\u017eby nov\u00fd <em>Sentry<\/em>-projekt pre aplik\u00e1ciu. Po v\u00fdbere po\u017eadovan\u00e9ho jazyka dostanete zodpovedaj\u00facu dokument\u00e1ciu. V na\u0161om pr\u00edpade sme vybrali <em>JavaScript<\/em>.<\/p>\n<p><\/p>\n<p>Prv\u00fd pr\u00edklad \u2014 \u0161tandardn\u00fd <em>JavaScript<\/em>. Tu s\u00fa dve tla\u010didl\u00e1: <em>\u201eHello\u201c<\/em> (Ahoj) a <em>\u201eError\u201c<\/em> (Chyba).<\/p>\n<p><\/p>\n<p>Po kliknut\u00ed na tla\u010didlo <em>\u201eHello\u201c<\/em>, obrazovka sa obnoven\u00ed a blok <em>try<\/em> n\u00e1jde a zachyt\u00ed chybu. Po tom, ako je chyba \u201ezachyten\u00e1\u201c, sa spr\u00e1va o chybe manu\u00e1lne posiela na slu\u017ebu <em>Sentry<\/em>.<\/p>\n<p><\/p>\n<p>Tla\u010didlo \u201eError\u201c umo\u017e\u0148uje jednoducho odhali\u0165 chybu.<\/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;Vanilka&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n  &lt;button id=&quot;hello&quot;&gt;Ahoj&lt;\/button&gt;\n  &lt;button id=&quot;error&quot;&gt;Chyba&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>Pozn\u00e1mky:<\/p>\n<p><\/p>\n<ul>\n<li>Sentry sa in\u0161taluje z CDN a zobrazuje sa ako glob\u00e1lna premenn\u00e1<\/li>\n<li>Trochu predt\u00fdm sme spustili Sentry v na\u0161om JavaScripte<\/li>\n<\/ul>\n<p><\/p>\n<p>Aby sme otestovali tento pr\u00edklad, m\u00f4\u017eeme vyu\u017ei\u0165 statick\u00fa webov\u00fa serverov\u00fa platformu <em>Node.js<\/em>: <em>http-server<\/em>. Prejdeme do prie\u010dinka, kde sa nach\u00e1dza s\u00fabor <em>index.html<\/em>, a zadajte (mo\u017enos\u0165 s vypnut\u00edm ukladania do vyrovn\u00e1vacej pam\u00e4te) nasleduj\u00faci riadok, aby ste otvorili v prehliada\u010di adresu <noindex><a rel=\"nofollow\" href=\"http:\/\/localhost:8080\/\"><em>http:\/\/localhost:8080<\/em><\/a><\/noindex>.<\/p>\n<p><\/p>\n<p><strong>Ako sa zobrazuj\u00fa zachyten\u00e9 chyby<\/strong><\/p>\n<p><\/p>\n<p>Najprv klikneme na tla\u010didlo <em>\u201eHello\u201c<\/em>.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitorovanie ch\u00fdb pomocou Sentry vo front-end aplik\u00e1ci\u00e1ch nap\u00edsan\u00fdch v JavaScripte: \u010cas\u0165 1\" src=\"\/wp-content\/uploads\/2020\/06\/ce1390a129b56988a5630b65d7152b85.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Zachytili sme chybu, preto sa neobjav\u00ed vy\u0161\u0161ie v z\u00e1sobn\u00edku volan\u00ed, tak\u017ee nie je monitorovan\u00e1 v konzole. Av\u0161ak, ke\u010f posielame <em>Sentry<\/em> spr\u00e1vu o chybe manu\u00e1lne, uvid\u00edme spr\u00e1vu o nej vo svojom \u00fa\u010dte.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitorovanie ch\u00fdb pomocou Sentry vo front-end aplik\u00e1ci\u00e1ch nap\u00edsan\u00fdch v JavaScripte: \u010cas\u0165 1\" src=\"\/wp-content\/uploads\/2020\/06\/4660395849c963cf6b6bce03cdf74013.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Pozn\u00e1mky:<\/p>\n<p><\/p>\n<ul>\n<li>M\u00f4\u017eeme sledova\u0165, v ktorom riadku (24) sa chyba vyskytla<\/li>\n<li>Navy\u0161e, naviga\u010dn\u00e1 re\u0165azec zobrazuje akcie prehliada\u010da, ktor\u00e9 viedli k chybe.<\/li>\n<\/ul>\n<p><\/p>\n<p><strong>Ako sa zobrazuj\u00fa nepodaren\u00e9 chyby<\/strong><\/p>\n<p><\/p>\n<p>Klikneme na tla\u010didlo <em>\u201eChyba\u201c.<\/em><\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitorovanie ch\u00fdb pomocou Sentry vo front-end aplik\u00e1ci\u00e1ch nap\u00edsan\u00fdch v JavaScripte: \u010cas\u0165 1\" src=\"\/wp-content\/uploads\/2020\/06\/d6b3e92ac9bda497d6bb5f2987bef8d9.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Chyba sa zobrazuje na vrchole z\u00e1sobn\u00edka volan\u00ed a na konzole sa tak objav\u00ed chybov\u00e9 hl\u00e1senie. Potom Sentry automaticky sleduje chybu bez ak\u00fdchko\u013evek dodato\u010dn\u00fdch akci\u00ed.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitorovanie ch\u00fdb pomocou Sentry vo front-end aplik\u00e1ci\u00e1ch nap\u00edsan\u00fdch v JavaScripte: \u010cas\u0165 1\" src=\"\/wp-content\/uploads\/2020\/06\/554ada29ebadba636ad7e0edb0b8a104.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Pozn\u00e1mky:<\/p>\n<p><\/p>\n<ul>\n<li>M\u00f4\u017eeme vidie\u0165, v ktorom riadku (30) sa chyba stratila<\/li>\n<li>Nie je predpokladan\u00e1 naviga\u010dn\u00e1 re\u0165azec (celkom nerozumiem pre\u010do)<\/li>\n<\/ul>\n<p><\/p>\n<p><strong>Ako zabezpe\u010di\u0165 bezpe\u010dnos\u0165 projektu<\/strong><\/p>\n<p><\/p>\n<p>Mo\u017eno ste si v\u0161imli, ako kontrolujeme str\u00e1nky, ktor\u00e9 m\u00f4\u017eu odosiela\u0165 hl\u00e1senia o chyb\u00e1ch do n\u00e1\u0161ho projektu <em>Sentry<\/em>; pomocou <em>dsn<\/em> z\u00e1znamu. Probl\u00e9m spo\u010d\u00edva v tom, \u017ee vstup m\u00f4\u017ee vidie\u0165 ka\u017ed\u00fd, kto si prezer\u00e1 zdrojov\u00fd k\u00f3d va\u0161ej str\u00e1nky.<\/p>\n<p><\/p>\n<p>Aby sa tomu predi\u0161lo, je potrebn\u00e9 obmedzi\u0165 po\u010det dom\u00e9n, ktor\u00e9 m\u00f4\u017eu posiela\u0165 do n\u00e1\u0161ho projektu hl\u00e1senia o chyb\u00e1ch. V tomto pr\u00edklade sme pou\u017eili <em>localhost<\/em> (lok\u00e1lny hostite\u013e). T\u00e1to mo\u017enos\u0165 sa nastavuje na karte nastaven\u00ed <em>Sentry<\/em>-projektu, <em>Nastavenie projektu Sentry<\/em>.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitorovanie ch\u00fdb pomocou Sentry vo front-end aplik\u00e1ci\u00e1ch nap\u00edsan\u00fdch v JavaScripte: \u010cas\u0165 1\" src=\"\/wp-content\/uploads\/2020\/06\/fc8990a261c2c3673a9b8eda6eaf1fd0.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><strong>Vydania<\/strong><\/p>\n<p><\/p>\n<p>Ak si predstav\u00edme, ako pou\u017e\u00edva\u0165 <em>Sentry<\/em> v r\u00f4znych vari\u00e1ci\u00e1ch na\u0161ej aplik\u00e1cie, je tu potrebn\u00fd nejak\u00fd mechanizmus, ktor\u00fd bude ozna\u010dova\u0165 chyby \u010d\u00edslom verzie.<\/p>\n<p><\/p>\n<p>Predsa len, nechceme, aby sa opraven\u00e1 chyba objavila znova, a mysleli sme si, \u017ee to, \u010do sme opravili, nefungovalo. M\u00f4\u017ee sa v\u0161ak sta\u0165 aj to, \u017ee u\u017e\u00edvate\u013e spustil star\u0161iu, cachovan\u00fa verziu aplik\u00e1cie.<\/p>\n<p><\/p>\n<p>Aby sme probl\u00e9m vyrie\u0161ili, je potrebn\u00e9 zap\u00edsa\u0165 identifik\u00e1tor <em>verzie<\/em> (verzie) pri spusten\u00ed <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>Po tomto v\u0161etky nov\u00e9 chyby bud\u00fa ozna\u010den\u00e9 ako <em>release (0.1.0)<\/em>, to znamen\u00e1, \u017ee bud\u00fa viazan\u00e9 na spr\u00e1vnu verziu k\u00f3du.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitorovanie ch\u00fdb pomocou Sentry vo front-end aplik\u00e1ci\u00e1ch nap\u00edsan\u00fdch v JavaScripte: \u010cas\u0165 1\" src=\"\/wp-content\/uploads\/2020\/06\/b9776d3b6f9ebe94915c53374937dddc.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Pozn\u00e1mky:<\/p>\n<p><\/p>\n<ul>\n<li>Prebrali sme jednoduch\u00fd sp\u00f4sob, ako pou\u017e\u00edva\u0165 verzie<\/li>\n<li>Sentry umo\u017e\u0148uje pou\u017e\u00edva\u0165 zlo\u017eitej\u0161ie <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.sentry.io\/learn\/releases\/?platform=javascript\"><em>ich<\/em> , ktor\u00e9 \u00fazko s\u00favis\u00ed s <em>pou\u017e\u00edvanie<\/em><\/a><\/noindex>. T\u00e1to funkcia umo\u017e\u0148uje sledova\u0165 chyby pred vykonan\u00edm ur\u010dit\u00fdch oper\u00e1ci\u00ed. <em>GitHub<\/em>P.S. Druh\u00e1 \u010das\u0165 je dlh\u0161ia, preto bude v samostatnom pr\u00edspevku.<\/li>\n<\/ul>\n<p><\/p>\n<p>P.S. Telegram chat Sentry<\/p>\n<p><\/p>\n<p>P.S. Zabudol som uvies\u0165, \u017ee je to preklad pr\u00edspevku <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/sentry_ru\">https:\/\/t.me\/sentry_ru<\/a><\/noindex><\/p>\n<p><\/p>\n<p>Slu\u017eba Sentry umo\u017e\u0148uje dia\u013ekov\u00e9 monitorovanie ch\u00fdb vo frontendov\u00fdch aplik\u00e1ci\u00e1ch nap\u00edsan\u00fdch v JavaScripte. <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>Zdroj: <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 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