{"id":1265,"date":"2024-12-21T08:04:28","date_gmt":"2024-12-21T11:04:28","guid":{"rendered":"https:\/\/micheladrianomedeiros.com.br\/blog\/?p=1265"},"modified":"2024-12-21T08:05:58","modified_gmt":"2024-12-21T11:05:58","slug":"introducao_ao_kubernetes_e_okd","status":"publish","type":"post","link":"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_kubernetes_e_okd\/","title":{"rendered":"Introdu\u00e7\u00e3o ao Kubernetes e OKD"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"585\" src=\"https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/12\/DALL\u00b7E-2024-12-21-07.33.50-A-visually-engaging-illustration-showing-the-architecture-of-Kubernetes-and-OKD.-The-image-includes-labeled-components-such-as-Master-Node-Worker--1024x585.jpg\" alt=\"Introdu\u00e7\u00e3o ao Kubernetes e OKD\" class=\"wp-image-1266\" srcset=\"https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/12\/DALL\u00b7E-2024-12-21-07.33.50-A-visually-engaging-illustration-showing-the-architecture-of-Kubernetes-and-OKD.-The-image-includes-labeled-components-such-as-Master-Node-Worker--1024x585.jpg 1024w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/12\/DALL\u00b7E-2024-12-21-07.33.50-A-visually-engaging-illustration-showing-the-architecture-of-Kubernetes-and-OKD.-The-image-includes-labeled-components-such-as-Master-Node-Worker--300x171.jpg 300w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/12\/DALL\u00b7E-2024-12-21-07.33.50-A-visually-engaging-illustration-showing-the-architecture-of-Kubernetes-and-OKD.-The-image-includes-labeled-components-such-as-Master-Node-Worker--768x439.jpg 768w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/12\/DALL\u00b7E-2024-12-21-07.33.50-A-visually-engaging-illustration-showing-the-architecture-of-Kubernetes-and-OKD.-The-image-includes-labeled-components-such-as-Master-Node-Worker--1536x878.jpg 1536w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/12\/DALL\u00b7E-2024-12-21-07.33.50-A-visually-engaging-illustration-showing-the-architecture-of-Kubernetes-and-OKD.-The-image-includes-labeled-components-such-as-Master-Node-Worker--322x185.jpg 322w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/12\/DALL\u00b7E-2024-12-21-07.33.50-A-visually-engaging-illustration-showing-the-architecture-of-Kubernetes-and-OKD.-The-image-includes-labeled-components-such-as-Master-Node-Worker-.jpg 1792w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_kubernetes_e_okd\/#Objetivos\" >Objetivos<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_kubernetes_e_okd\/#1_O_que_e_Kubernetes\" >1. O que \u00e9 Kubernetes?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_kubernetes_e_okd\/#2_O_que_e_OKD\" >2. O que \u00e9 OKD?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_kubernetes_e_okd\/#3_Componentes_Basicos_do_Kubernetes\" >3. Componentes B\u00e1sicos do Kubernetes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_kubernetes_e_okd\/#Tarefa_Pratica\" >Tarefa Pr\u00e1tica<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_kubernetes_e_okd\/#Links\" >Links<\/a><\/li><\/ul><\/nav><\/div>\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Objetivos\"><\/span><strong>Objetivos<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Compreender o que s\u00e3o Kubernetes e OKD.<\/li>\n\n\n\n<li>Diferenciar os dois e entender como eles se complementam.<\/li>\n\n\n\n<li>Explorar os principais componentes do Kubernetes.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_O_que_e_Kubernetes\"><\/span><strong>1. O que \u00e9 Kubernetes?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Kubernetes \u00e9 uma plataforma open-source projetada para automatizar a implanta\u00e7\u00e3o, escalonamento e gerenciamento de aplica\u00e7\u00f5es em cont\u00eaineres. Inicialmente desenvolvida pelo Google, ela agora \u00e9 mantida pela Cloud Native Computing Foundation (CNCF). Al\u00e9m disso, Kubernetes oferece recursos avan\u00e7ados que tornam o gerenciamento de cargas de trabalho mais eficiente.<\/p>\n\n\n\n<p>Por exemplo, a plataforma permite orquestrar cont\u00eaineres de maneira escal\u00e1vel e resiliente. Isso inclui escalabilidade autom\u00e1tica, manuten\u00e7\u00e3o do estado desejado e alta disponibilidade. Como resultado, Kubernetes se tornou essencial para organiza\u00e7\u00f5es que buscam otimizar a opera\u00e7\u00e3o de aplica\u00e7\u00f5es modernas.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_O_que_e_OKD\"><\/span><strong>2. O que \u00e9 OKD?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>OKD (Origin Community Distribution) \u00e9 a vers\u00e3o comunit\u00e1ria do OpenShift, a plataforma de cont\u00eaineres da Red Hat. Embora seja baseado no Kubernetes, o OKD vai al\u00e9m, integrando ferramentas adicionais que facilitam o gerenciamento. Entre essas funcionalidades est\u00e3o a interface gr\u00e1fica (Web Console) e pipelines de CI\/CD.<\/p>\n\n\n\n<p>Por isso, enquanto o Kubernetes \u00e9 altamente personaliz\u00e1vel, o OKD oferece solu\u00e7\u00f5es prontas para uso, permitindo que desenvolvedores se concentrem mais na entrega de valor. Al\u00e9m disso, o OKD simplifica tarefas como upgrades e monitoramento, tornando-o uma escolha ideal para equipes que desejam maior agilidade.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Componentes_Basicos_do_Kubernetes\"><\/span><strong>3. Componentes B\u00e1sicos do Kubernetes<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Entender os principais componentes do Kubernetes \u00e9 essencial para explorar seu funcionamento. Primeiramente, o <strong>Node<\/strong> \u00e9 a unidade de trabalho do cluster, podendo ser f\u00edsico ou virtual. Enquanto o <strong>Master Node<\/strong> controla os recursos e a comunica\u00e7\u00e3o, os <strong>Worker Nodes<\/strong> s\u00e3o respons\u00e1veis por executar os cont\u00eaineres.<\/p>\n\n\n\n<p>Al\u00e9m disso, os cont\u00eaineres no Kubernetes s\u00e3o agrupados em <strong>Pods<\/strong>, que representam a menor unidade no sistema. Outros elementos importantes incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Service<\/strong>, que facilita o acesso interno e externo \u00e0s aplica\u00e7\u00f5es.<\/li>\n\n\n\n<li><strong>Deployment<\/strong>, projetado para gerenciar a cria\u00e7\u00e3o e o escalonamento de pods.<\/li>\n\n\n\n<li><strong>ConfigMap e Secret<\/strong>, usados para armazenar configura\u00e7\u00f5es e informa\u00e7\u00f5es sens\u00edveis, respectivamente.<\/li>\n\n\n\n<li><strong>Namespace<\/strong>, que organiza e isola recursos dentro do cluster.<\/li>\n<\/ul>\n\n\n\n<p>Com esses componentes, o Kubernetes permite construir e operar aplica\u00e7\u00f5es modernas de forma robusta e eficiente.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tarefa_Pratica\"><\/span><strong>Tarefa Pr\u00e1tica<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Instale o Kubernetes localmente usando Minikube:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Siga as instru\u00e7\u00f5es da documenta\u00e7\u00e3o oficial: <a>Minikube Documentation<\/a>.<\/li>\n\n\n\n<li>Confirme a instala\u00e7\u00e3o executando o comando <code>kubectl version<\/code>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Opcional:<\/strong> Instale o OKD localmente usando o CodeReady Containers (CRC):\n<ul class=\"wp-block-list\">\n<li>Consulte o guia de instala\u00e7\u00e3o: <a href=\"https:\/\/www.okd.io\/\">OKD Installation Guide<\/a>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Teste comandos b\u00e1sicos:<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \" >kubectl get nodes\nkubectl get pods --all-namespaces\nkubectl create namespace test-namespace<\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Links\"><\/span>Links<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/go.hotmart.com\/R97180139W\" target=\"_blank\" rel=\"noreferrer noopener\">Kubernetes Operadores<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/devops_introduca\/\" target=\"_blank\" rel=\"noreferrer noopener\">DevOps Introdu\u00e7\u00e3o<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Objetivos 1. O que \u00e9 Kubernetes? Kubernetes \u00e9 uma plataforma open-source projetada para automatizar a implanta\u00e7\u00e3o, escalonamento e gerenciamento de aplica\u00e7\u00f5es em cont\u00eaineres. Inicialmente desenvolvida pelo Google, ela agora \u00e9 mantida pela Cloud Native Computing Foundation (CNCF). Al\u00e9m disso, Kubernetes oferece recursos avan\u00e7ados que tornam o gerenciamento de cargas de trabalho mais eficiente. Por exemplo, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1266,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[442],"tags":[446,455,462,263,444,449,457,450,451,443,43,254,448,459,207,460,453,454,445,208,447,452,458,461,456],"class_list":["post-1265","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kubernetes","tag-alta-disponibilidade","tag-aprendizado-de-kubernetes","tag-aprendizado-de-okd","tag-automacao","tag-ci-cd","tag-cloud-native-2","tag-cncf","tag-codeready-containers","tag-configmap","tag-conteineres","tag-devops","tag-escalabilidade","tag-gerenciamento-de-aplicacoes","tag-infraestrutura-em-nuvem","tag-kubernetes","tag-master-node","tag-minikube","tag-namespace","tag-okd","tag-openshift","tag-orquestracao-de-conteineres","tag-pods","tag-secrets","tag-services","tag-worker-node"],"yoast_head":"<!-- This site is optimized with the 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