{"id":54388,"date":"2019-12-25T00:00:00","date_gmt":"2019-12-24T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/pagerduty-ili-pochemu-po-nocham-mozhet-ne-spat-otdel-ekspluatatsii"},"modified":"2020-02-18T14:02:23","modified_gmt":"2020-02-18T11:02:23","slug":"pagerduty-ili-pochemu-po-nocham-mozhet-ne-spat-otdel-ekspluatatsii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/pagerduty-ili-pochemu-po-nocham-mozhet-ne-spat-otdel-ekspluatatsii","title":{"rendered":"PagerDuty, ou Por que o departamento de opera\u00e7\u00f5es pode n\u00e3o dormir \u00e0 noite","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Quanto mais complexa a sistema, mais ela se enche de diversos alertas. Surge ent\u00e3o a necessidade de reagir, agregar e visualizar esses alertas. Acho que essa situa\u00e7\u00e3o \u00e9 familiar para muitos, a ponto de causar um tique nervoso.<\/p>\n<p>A solu\u00e7\u00e3o sobre a qual iremos falar n\u00e3o \u00e9 das mais inesperadas, mas uma pesquisa revela que n\u00e3o h\u00e1 um artigo completo sobre o tema.<\/p>\n<p>Por isso, decidi compartilhar a experi\u00eancia da FunCorp e contar como \u00e9 estruturado o processo de plant\u00e3o, quem liga, por que e como tudo isso pode ser monitorado.<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, ou Por que o departamento de opera\u00e7\u00f5es pode n\u00e3o dormir \u00e0 noite\" src=\"\/wp-content\/uploads\/2019\/12\/344e8d538f9ca98e019cbbb74cda39ab.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>O que \u00e9 o PagerDuty?<\/h3>\n<p>\nEnt\u00e3o, para resolver todas essas tarefas, come\u00e7amos a buscar uma ferramenta conveniente. Ap\u00f3s breves pesquisas, optamos pelo PagerDuty. O PD nos pareceu uma solu\u00e7\u00e3o bastante completa e concisa, com uma grande quantidade de integra\u00e7\u00f5es e configura\u00e7\u00f5es. Do que se trata?<\/p>\n<p>Em resumo, o PagerDuty \u00e9 uma plataforma de gerenciamento de incidentes que consegue processar incidentes recebidos por meio de v\u00e1rias integra\u00e7\u00f5es, configurar a ordem de plant\u00f5es e, em seguida, alertar o engenheiro de plant\u00e3o com base no n\u00edvel do incidente (em caso de alto n\u00edvel - uma chamada, e em caso de baixo - um push do aplicativo\/sms).<\/p>\n<h3>Quem \u00e9 o servidor?<\/h3>\n<p>\nProvavelmente, esse \u00e9 o primeiro ponto de partida para configurar o PD.<\/p>\n<p>Na FunCorp, assim como em outras empresas, existe o cargo honor\u00e1rio de servidor. Ele \u00e9 passado de engenheiro a engenheiro uma vez ao dia. H\u00e1 uma chamada de primeira e segunda linha para responder a um alerta do PagerDuty. Suponhamos que um alerta de alta prioridade chegue e, se ap\u00f3s 10 minutos da chamada para o servidor da primeira linha n\u00e3o houver resposta (ou seja, n\u00e3o for mudado para o status de acknowledge ou resolved), a chamada \u00e9 transferida para o segundo engenheiro de plant\u00e3o. Isso \u00e9 configurado no pr\u00f3prio PagerDuty atrav\u00e9s de Pol\u00edticas de Escalonamento.<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, ou Por que o departamento de opera\u00e7\u00f5es pode n\u00e3o dormir \u00e0 noite\" src=\"\/wp-content\/uploads\/2019\/12\/1968156d37c4210ccf92dd57861c9fd8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSe o segundo servidor tamb\u00e9m n\u00e3o responder, o alerta retorna para <em>o principal<\/em> servidor.<\/p>\n<p>Dessa forma, qualquer alerta de alta prioridade que chegue n\u00e3o pode permanecer sem resposta.\u00a0<\/p>\n<p>Agora vamos ver de onde podem vir os incidentes.<\/p>\n<h3>Quais integra\u00e7\u00f5es utilizamos?<\/h3>\n<p>\nNo PD, recebemos muitos incidentes variados de diversos servi\u00e7os. Atualmente, temos cerca de 25 desses servi\u00e7os, e para process\u00e1-los, utilizamos algumas integra\u00e7\u00f5es prontas.<\/p>\n<ul>\n<li>Prometheus\n<\/li>\n<\/ul>\n<p>\nO sistema principal de coleta de m\u00e9tricas \u00e9 o Prometheus. J\u00e1 foi muito escrito sobre isso no Habr, e eu apenas direi que temos v\u00e1rios para diferentes ambientes: um coleta m\u00e9tricas de m\u00e1quinas virtuais e cont\u00eaineres Docker, outro dos servi\u00e7os da Amazon, e o terceiro de servidores f\u00edsicos. O Telegraf \u00e9 principalmente utilizado como exportador de m\u00e9tricas.<\/p>\n<ul>\n<li>Email\n<\/li>\n<\/ul>\n<p>\nAqui tamb\u00e9m, creio que tudo est\u00e1 claro pelo nome. Essa integra\u00e7\u00e3o \u00e9 usada para enviar notifica\u00e7\u00f5es de alguns scripts executados pelo cron. O PD fornece um endere\u00e7o ao qual voc\u00ea envia os e-mails. Ao criar um servi\u00e7o com essa integra\u00e7\u00e3o, voc\u00ea pode definir prioridades, na ordem em que os incidentes ser\u00e3o processados, e como os alertas ser\u00e3o criados (para cada e-mail recebido, para cada e-mail recebido + alguma regra, etc.).<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, ou Por que o departamento de opera\u00e7\u00f5es pode n\u00e3o dormir \u00e0 noite\" src=\"\/wp-content\/uploads\/2019\/12\/955d07c645be30f8beedc9d3347296b2.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<ul>\n<li>Slack\n<\/li>\n<\/ul>\n<p>\nNa minha opini\u00e3o, \u00e9 uma integra\u00e7\u00e3o bastante interessante. H\u00e1 casos em que acontece algo mas n\u00e3o \u00e9 coberto por incidentes. Portanto, adicionamos uma integra\u00e7\u00e3o com o Slack para a cria\u00e7\u00e3o de incidentes. Ou seja, no Slack corporativo, voc\u00ea pode escrever <b>\/callofduty \u0432\u0441\u0435 \u0442\u043e\u0440\u043c\u043e\u0437\u0438\u0442 \u0438 \u0441\u043a\u043e\u0440\u043e \u0441\u043b\u043e\u043c\u0430\u0435\u0442\u0441\u044f<\/b> e o PD ir\u00e1 processar isso e enviar o incidente ao engenheiro de plant\u00e3o.<\/p>\n<p>Fazemos:<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, ou Por que o departamento de opera\u00e7\u00f5es pode n\u00e3o dormir \u00e0 noite\" src=\"\/wp-content\/uploads\/2019\/12\/5f35935b763a4d9e57a4a735c70a4cd5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVemos:<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, ou Por que o departamento de opera\u00e7\u00f5es pode n\u00e3o dormir \u00e0 noite\" src=\"\/wp-content\/uploads\/2019\/12\/c04b4f991ca7a4e71f25005e90b6215d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<ul>\n<li>API\n<\/li>\n<\/ul>\n<p>\nIntegra\u00e7\u00e3o via HTTP. Aqui, na verdade, n\u00e3o h\u00e1 nada de muito interessante, apenas uma solicita\u00e7\u00e3o POST com um corpo em formato JSON. Por exemplo, algo interessante: usamos isso para monitoramento externo por meio de <noindex><a rel=\"nofollow\" href=\"https:\/\/www.statuscake.com\/\">https:\/\/www.statuscake.com\/<\/a><\/noindex>. Este servi\u00e7o verifica a disponibilidade de nossos sites a partir de diferentes pontos do mundo. Quando recebemos um c\u00f3digo de resposta inaceit\u00e1vel (por exemplo, 502), um incidente \u00e9 criado e o processo segue a cadeia descrita acima. No StatusCake, h\u00e1 a possibilidade de monitorar URLs internas, expira\u00e7\u00e3o de certificados SSL ou dom\u00ednios.<\/p>\n<ul>\n<li>LibreNMS\n<\/li>\n<\/ul>\n<p>\nEste \u00e9 outro sistema de monitoramento, que pode ser lido com mais detalhes em seu site <noindex><a rel=\"nofollow\" href=\"https:\/\/www.librenms.org\/\">https:\/\/www.librenms.org\/<\/a><\/noindex>. Com ele, realizamos o monitoramento de interfaces de rede e iDRAC dos servidores.<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, ou Por que o departamento de opera\u00e7\u00f5es pode n\u00e3o dormir \u00e0 noite\" src=\"\/wp-content\/uploads\/2019\/12\/2725f57aaa29d448320d48ef1cf4638c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nHouve tamb\u00e9m integra\u00e7\u00f5es como Datadog, CloudWatch. Mais detalhes sobre o que aconteceu com eles podem ser vistos <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/funcorp\/blog\/425431\/\">aqui<\/a><\/noindex>.<\/p>\n<h3>Visualiza\u00e7\u00e3o<\/h3>\n<p>\nO principal sistema de notifica\u00e7\u00e3o de incidentes \u00e9 o Slack. Todos os incidentes recebidos no PD s\u00e3o escritos em um chat espec\u00edfico, e se seu status mudar, isso tamb\u00e9m \u00e9 exibido no chat.<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, ou Por que o departamento de opera\u00e7\u00f5es pode n\u00e3o dormir \u00e0 noite\" src=\"\/wp-content\/uploads\/2019\/12\/adb2a280dfa547735e1e293c6fc6e1b5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nQuando surgiu a possibilidade de exibir dados \u00fateis nas telas penduradas no teto, percebemos de repente que n\u00f3s (no departamento de devops) n\u00e3o t\u00ednhamos o que mostrar nelas. Existe um excelente Grafana, mas ele n\u00e3o consegue abranger tudo, e os funcion\u00e1rios reagem a alertas, n\u00e3o a gr\u00e1ficos.<\/p>\n<p>Ap\u00f3s uma busca cuidadosa, mas infrut\u00edfera, no GitHub por um \u00abpainel\u00bb conciso e informativo para PD, decidimos criar o nosso \u2014 apenas com o que realmente precisamos. Embora a princ\u00edpio a ideia fosse exibir a interface do PD na tela, isso pareceria ainda mais inconveniente.<\/p>\n<p>Para escrev\u00ea-lo, basta obter uma chave do PD com permiss\u00f5es de leitura apenas.<br \/>\nE isso \u00e9 o que conseguimos:<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, ou Por que o departamento de opera\u00e7\u00f5es pode n\u00e3o dormir \u00e0 noite\" src=\"\/wp-content\/uploads\/2019\/12\/bc341f5db4a663520c3313151be73a9e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNa tela s\u00e3o exibidos os incidentes abertos atuais, o nome do engenheiro de plant\u00e3o atual do cronograma selecionado e o tempo sem um incidente de alta prioridade (o painel com o incidente de alta prioridade ser\u00e1 destacado em vermelho).<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/suknark\/pdviewer\">Voc\u00ea pode ver o c\u00f3digo-fonte desta implementa\u00e7\u00e3o aqui<\/a><\/noindex>.<\/p>\n<p>No final, conseguimos um painel conveniente para visualizar todos os nossos incidentes. Ficarei feliz se a nossa experi\u00eancia for \u00fatil para algum de voc\u00eas.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/funcorp\/blog\/481656\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0427\u0435\u043c \u0441\u043b\u043e\u0436\u043d\u0435\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u0442\u0435\u043c \u0431\u043e\u043b\u044c\u0448\u0435 \u043e\u043d\u0430 \u043e\u0431\u0440\u0430\u0441\u0442\u0430\u0435\u0442 \u0432\u0441\u0435\u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u043c\u0438 \u0430\u043b\u0435\u0440\u0442\u0430\u043c\u0438. \u0418 \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u0435\u0442 \u043f\u043e\u0442\u0440\u0435\u0431\u043d\u043e\u0441\u0442\u044c \u043d\u0430 \u044d\u0442\u0438 \u0441\u0430\u043c\u044b\u0435 \u0430\u043b\u0435\u0440\u0442\u044b \u0440\u0435\u0430\u0433\u0438\u0440\u043e\u0432\u0430\u0442\u044c, \u0430\u0433\u0440\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0438\u0445 \u0438 \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c. \u0414\u0443\u043c\u0430\u044e, \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f, \u0437\u043d\u0430\u043a\u043e\u043c\u0430\u044f \u043c\u043d\u043e\u0433\u0438\u043c \u0434\u043e \u043d\u0435\u0440\u0432\u043d\u043e\u0433\u043e \u0442\u0438\u043a\u0430. \u0420\u0435\u0448\u0435\u043d\u0438\u0435, \u043e \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u043e\u0439\u0434\u0451\u0442 \u0440\u0435\u0447\u044c, \u043d\u0435 \u0441\u0430\u043c\u043e\u0435 \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e\u0435, \u043d\u043e \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u043f\u043e \u044d\u0442\u043e\u0439 \u0442\u0435\u043c\u0435 \u043f\u043e\u0438\u0441\u043a \u043d\u0435 \u0432\u044b\u0434\u0430\u0451\u0442. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u044f \u0440\u0435\u0448\u0438\u043b \u043f\u043e\u0434\u0435\u043b\u0438\u0442\u044c\u0441\u044f \u043e\u043f\u044b\u0442\u043e\u043c FunCorp \u0438 \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u0442\u044c \u043e \u0442\u043e\u043c, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-54388","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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