{"id":111783,"date":"2023-11-27T09:10:15","date_gmt":"2023-11-27T07:10:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-sistemy-upravleniya-kontejnerami-incus-0-3"},"modified":"2023-11-27T09:10:15","modified_gmt":"2023-11-27T07:10:15","slug":"vypusk-sistemy-upravleniya-kontejnerami-incus-0-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-sistemy-upravleniya-kontejnerami-incus-0-3","title":{"rendered":"Lan\u00e7amento do sistema de gerenciamento de cont\u00eaineres Incus 0.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi apresentado o terceiro lan\u00e7amento do projeto Incus, no qual a comunidade Linux Containers desenvolve um fork do sistema de gerenciamento de cont\u00eaineres LXD, criado pela antiga equipe de desenvolvedores que fundou o LXD. O c\u00f3digo do Incus \u00e9 escrito na linguagem Go e \u00e9 distribu\u00eddo sob a licen\u00e7a Apache 2.0.    <\/p>\n<p>Vale lembrar que a comunidade Linux Containers supervisionou o desenvolvimento do LXD at\u00e9 que a Canonical decidiu desenvolver o LXD de forma separada como um projeto corporativo. O objetivo do fork \u00e9 fornecer uma alternativa gerida independentemente pela comunidade ao projeto LXD, controlado pela Canonical. No \u00e2mbito do projeto Incus, tamb\u00e9m est\u00e1 previsto corrigir alguns erros conceituais cometidos no desenvolvimento do LXD que antes n\u00e3o podiam ser corrigidos sem comprometer a compatibilidade retroativa.       <\/p>\n<p>O Incus oferece ferramentas para gerenciamento centralizado de cont\u00eaineres e m\u00e1quinas virtuais, implantadas tanto em um \u00fanico host quanto em um cluster de v\u00e1rios. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/\"   title=\"servidores\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1652\">servidores<\/a>. O projeto \u00e9 implementado na forma de um processo em segundo plano que aceita solicita\u00e7\u00f5es pela rede atrav\u00e9s de uma API REST e suporta v\u00e1rios backends de armazenamento (\u00e1rvore de diret\u00f3rios, ZFS, Btrfs, LVM), snapshots de estados, migra\u00e7\u00e3o ao vivo de cont\u00eaineres em execu\u00e7\u00e3o de uma m\u00e1quina para outra e ferramentas para armazenamento de imagens de cont\u00eaineres. Para executar os cont\u00eaineres, utiliza-se a ferramenta LXC, que inclui a biblioteca liblxc, um conjunto de utilit\u00e1rios (lxc-create, lxc-start, lxc-stop, lxc-ls, etc.), templates para constru\u00e7\u00e3o de cont\u00eaineres e um conjunto de bindings para v\u00e1rias linguagens de programa\u00e7\u00e3o. A isola\u00e7\u00e3o \u00e9 realizada atrav\u00e9s dos mecanismos nativos do n\u00facleo Linux (namespaces, cgroups, Apparmor, SELinux, Seccomp).     <\/p>\n<p>As mudan\u00e7as mais not\u00e1veis:  <\/p>\n<ul>\n<li class=\"l\"> Foi adicionada a suporte ao gerenciamento de autoriza\u00e7\u00e3o de usu\u00e1rios com base no modelo de Controle de Acesso Baseado em Relacionamentos, implementado atrav\u00e9s de um processo em segundo plano OpenFGA, que \u00e9 respons\u00e1vel por tomar decis\u00f5es sobre a concess\u00e3o de poderes a usu\u00e1rios. Combinado com o provedor OpenID Connect, o suporte ao OpenFGA permite formar uma pilha aberta de identifica\u00e7\u00e3o e autoriza\u00e7\u00e3o, permitindo usar o Incus como uma substitui\u00e7\u00e3o completa para as configura\u00e7\u00f5es LXD com o RBAC da Canonical. Para configurar o acesso ao OpenFGA foram propostas as op\u00e7\u00f5es openfga.api.token, openfga.api.url, openfga.store.id e openfga.store.model_id.\n<li class=\"l\"> A ferramenta lxd-to-incus foi aprimorada, automatizando a migra\u00e7\u00e3o de LXD para Incus. A nova vers\u00e3o adicionou suporte a distribui\u00e7\u00f5es com sistema de inicializa\u00e7\u00e3o OpenRC, implementou a possibilidade de migrar armazenamentos Ceph e redes OVN, garantiu o registro das migra\u00e7\u00f5es e a cria\u00e7\u00e3o de backups.\n<li class=\"l\"> Em <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/vps\/abuzoustojchivye-vps\/\"   title=\"m\u00e1quinas virtuais\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4264\">m\u00e1quinas virtuais<\/a> adicionado suporte para conex\u00e3o e remo\u00e7\u00e3o a quente (hot-plug\/hot-remove) de caminhos de arquivos ou parti\u00e7\u00f5es individuais, passadas do ambiente host. Anteriormente, essa passagem utilizando o driver virtio-fs ou o FS 9p exigia a parada da m\u00e1quina virtual. Para contornar essa limita\u00e7\u00e3o, foi utilizada a capacidade do QEMU de conectar dispositivos PCI a quente e montar o caminho dentro do sistema guest atrav\u00e9s do incus-agent.            <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60184\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0442\u0440\u0435\u0442\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Incus, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e\u043c Linux Containers \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0444\u043e\u0440\u043a \u0441\u0438\u0441\u0442\u0435\u043c\u044b 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