{"id":111219,"date":"2023-10-31T15:10:16","date_gmt":"2023-10-31T13:10:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-incus-0-2-forka-sistemy-upravleniya-kontejnerami-lxd"},"modified":"2023-10-31T15:10:16","modified_gmt":"2023-10-31T13:10:16","slug":"vypusk-incus-0-2-forka-sistemy-upravleniya-kontejnerami-lxd","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-incus-0-2-forka-sistemy-upravleniya-kontejnerami-lxd","title":{"rendered":"Lan\u00e7amento do Incus 0.2, um fork do sistema de gerenciamento de cont\u00eaineres LXD","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ado o segundo release do projeto Incus, no qual a comunidade Linux Containers est\u00e1 desenvolvendo um fork do sistema de gerenciamento de containers LXD, criado pela antiga equipe de desenvolvedores que inicialmente criou 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=\"1703\">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\"> A ferramenta lxd-to-incus, que automatiza a transi\u00e7\u00e3o do LXD para o Incus, agora suporta a vers\u00e3o LXD 5.19 e possibilita a migra\u00e7\u00e3o n\u00e3o apenas de hosts individuais, mas tamb\u00e9m de clusters LXD.\n<li class=\"l\"> Nas m\u00e1quinas virtuais, foi adicionada a funcionalidade de cria\u00e7\u00e3o de armazenamentos com base na tecnologia NVME. Para especificar o tipo de disco, foi adicionado um novo par\u00e2metro de configura\u00e7\u00e3o chamado &#171;io.bus&#187;, que por padr\u00e3o \u00e9 definido como &#171;virtio-scsi&#187;. Ao alterar o valor para &#171;nvme&#187;, a unidade na m\u00e1quina virtual ser\u00e1 reconhecida como NVME SSD.\n<li class=\"l\"> Para imagens de cont\u00eaineres, foi implementado o par\u00e2metro &#171;requirements.privileged&#187;, que pode ser configurado como &#171;false&#187; para proibir o uso da imagem em cont\u00eaineres privilegiados. Essa configura\u00e7\u00e3o, por exemplo, pode ser aplicada a imagens com a distribui\u00e7\u00e3o NixOS, que atualmente n\u00e3o s\u00e3o compat\u00edveis com cont\u00eaineres privilegiados.\n<li class=\"l\"> A implementa\u00e7\u00e3o do modo de cria\u00e7\u00e3o de c\u00f3pias de divis\u00f5es foi transferida do LXD para <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-los-angeles\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3905\">servidor<\/a>, o que acelera significativamente as opera\u00e7\u00f5es de c\u00f3pia de divis\u00f5es, eliminando a necessidade de redirecionar dados atrav\u00e9s do cliente.\n<li class=\"l\"> Foram disponibilizados builds est\u00e1ticos compactados para sistemas ARM64.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60022\">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 \u0432\u0442\u043e\u0440\u043e\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 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430\u043c\u0438 LXD, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0439 \u0441\u0442\u0430\u0440\u043e\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u043e\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432, 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