{"id":106211,"date":"2022-12-21T15:37:51","date_gmt":"2022-12-21T13:37:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vtoroj-prototip-platformy-alp-idushhej-na-smenu-suse-linux-enterprise"},"modified":"2022-12-21T15:37:51","modified_gmt":"2022-12-21T13:37:51","slug":"vtoroj-prototip-platformy-alp-idushhej-na-smenu-suse-linux-enterprise","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vtoroj-prototip-platformy-alp-idushhej-na-smenu-suse-linux-enterprise","title":{"rendered":"O segundo prot\u00f3tipo da plataforma ALP, sucedendo o SUSE Linux Enterprise","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A empresa SUSE lan\u00e7ou o segundo prot\u00f3tipo da plataforma ALP \u00abPunta Baretti\u00bb (Adaptable Linux Platform), posicionada como uma continua\u00e7\u00e3o do desenvolvimento da distribui\u00e7\u00e3o SUSE Linux Enterprise. A principal diferen\u00e7a da ALP \u00e9 a separa\u00e7\u00e3o da base do sistema em duas partes: uma vers\u00e3o reduzida de \u00abhost OS\u00bb para operar sobre hardware e uma camada de suporte a aplicativos, focada na execu\u00e7\u00e3o em cont\u00eaineres e m\u00e1quinas virtuais. As vers\u00f5es est\u00e3o preparadas para a arquitetura x86_64. A ALP est\u00e1 sendo desenvolvida inicialmente com um processo de desenvolvimento aberto, onde vers\u00f5es intermedi\u00e1rias e resultados de testes est\u00e3o dispon\u00edveis publicamente para todos os interessados.     <\/p>\n<p>A arquitetura da ALP \u00e9 baseada no desenvolvimento do ambiente \"host OS\", m\u00ednimo necess\u00e1rio para suportar e gerenciar o hardware. Todos os aplicativos e componentes do espa\u00e7o do usu\u00e1rio s\u00e3o oferecidos para execu\u00e7\u00e3o n\u00e3o em um ambiente misto, mas em cont\u00eaineres separados ou 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=\"4272\">m\u00e1quinas virtuais<\/a>, executados por cima do \"host OS\" e isolados uns dos outros. Essa organiza\u00e7\u00e3o permitir\u00e1 que os usu\u00e1rios se concentrem nos aplicativos e abstraiam os fluxos de trabalho, separando-os do ambiente e hardware do sistema de baixo n\u00edvel.      <\/p>\n<p>Como base para o \"host OS\", \u00e9 utilizado o produto SLE Micro, baseado nos desenvolvimentos do projeto MicroOS. Para a gest\u00e3o centralizada, s\u00e3o oferecidos sistemas de gerenciamento de configura\u00e7\u00e3o Salt (pr\u00e9-instalado) e Ansible (opcional). Para a execu\u00e7\u00e3o de cont\u00eaineres isolados, est\u00e3o dispon\u00edveis as ferramentas Podman e K3s (Kubernetes). Entre os componentes do sistema que foram movidos para cont\u00eaineres, est\u00e3o yast2, podman, k3s, cockpit, GDM (Gerenciador de Exibi\u00e7\u00e3o GNOME) e KVM.     <\/p>\n<p>Uma das caracter\u00edsticas do ambiente do sistema \u00e9 o uso padr\u00e3o da criptografia de disco completo (FDE, Full Disk Encryption) com a op\u00e7\u00e3o de armazenar chaves no TPM. A parti\u00e7\u00e3o raiz \u00e9 montada em modo apenas leitura e n\u00e3o \u00e9 alterada durante a opera\u00e7\u00e3o. O ambiente utiliza um mecanismo de instala\u00e7\u00e3o at\u00f4mica de atualiza\u00e7\u00f5es. Diferente das atualiza\u00e7\u00f5es at\u00f4micas baseadas em ostree e snap, utilizadas no Fedora e Ubuntu, na ALP, em vez da constru\u00e7\u00e3o de imagens at\u00f4micas separadas e a implementa\u00e7\u00e3o de infraestrutura de entrega adicional, s\u00e3o utilizados o gerenciador de pacotes padr\u00e3o e o mecanismo de snapshots no sistema de arquivos Btrfs.     <\/p>\n<p>Um modo de instala\u00e7\u00e3o autom\u00e1tica de atualiza\u00e7\u00f5es personaliz\u00e1vel \u00e9 oferecido (por exemplo, voc\u00ea pode habilitar a instala\u00e7\u00e3o autom\u00e1tica apenas para corre\u00e7\u00f5es de vulnerabilidades cr\u00edticas ou retornar \u00e0 confirma\u00e7\u00e3o manual da instala\u00e7\u00e3o de atualiza\u00e7\u00f5es). Para a atualiza\u00e7\u00e3o do kernel Linux sem reinicializa\u00e7\u00e3o e interrup\u00e7\u00e3o do funcionamento, s\u00e3o suportados live patches. Para manter a resili\u00eancia do sistema (self-healing), \u00e9 realizado o registro do \u00faltimo estado est\u00e1vel atrav\u00e9s de snapshots Btrfs (em caso de anomalias detectadas ap\u00f3s a aplica\u00e7\u00e3o de atualiza\u00e7\u00f5es ou altera\u00e7\u00f5es de configura\u00e7\u00f5es, o sistema \u00e9 automaticamente revertido para o estado anterior).    <\/p>\n<p>A plataforma utiliza uma pilha de software multiversionada \u2014 gra\u00e7as ao uso de cont\u00eaineres, \u00e9 poss\u00edvel usar diferentes vers\u00f5es de ferramentas e aplicativos simultaneamente. Por exemplo, \u00e9 poss\u00edvel executar aplicativos que utilizam diferentes vers\u00f5es de depend\u00eancias como Python, Java e Node.js, separando depend\u00eancias que s\u00e3o incompat\u00edveis entre si. As depend\u00eancias b\u00e1sicas s\u00e3o fornecidas na forma de conjuntos BCI (Base Container Images). O usu\u00e1rio pode criar, atualizar e remover pilhas de software sem afetar outros ambientes.      <\/p>\n<p>Principais mudan\u00e7as no segundo prot\u00f3tipo ALP:  <\/p>\n<ul>\n<li class=\"l\"> O instalador D-Installer foi implementado, onde a interface do usu\u00e1rio \u00e9 separada dos componentes internos do YaST e h\u00e1 a possibilidade de utilizar diferentes front-ends, incluindo um front-end para gerenciamento de instala\u00e7\u00e3o via interface web. A interface b\u00e1sica para gerenciamento de instala\u00e7\u00e3o \u00e9 constru\u00edda usando tecnologias web e inclui um manipulador que fornece acesso a chamadas D-Bus via HTTP, al\u00e9m da pr\u00f3pria interface web. A interface web \u00e9 escrita em JavaScript utilizando o framework React e componentes PatternFly. Para garantir a seguran\u00e7a, o D-Installer suporta a instala\u00e7\u00e3o em parti\u00e7\u00f5es criptografadas e permite o uso de TPM (Trusted Platform Module) para descriptografar a parti\u00e7\u00e3o de inicializa\u00e7\u00e3o, utilizando chaves armazenadas no chip TPM em vez de senhas.\n<li class=\"l\"> Foi garantido que alguns clientes do YaST (bootloader, iSCSIClient, Kdump, firewall, etc.) sejam executados em cont\u00eaineres separados. Dois tipos de cont\u00eaineres foram implementados \u2014 um gerenciador para trabalhar com o YaST em modo texto, em GUI e atrav\u00e9s de uma interface web, e um de testes para realizar testes automatizados. V\u00e1rios m\u00f3dulos tamb\u00e9m foram adaptados para uso em sistemas com atualiza\u00e7\u00f5es transacionais. Para a integra\u00e7\u00e3o com openQA, foi proposta a biblioteca libyui-rest-api com implementa\u00e7\u00e3o de REST API.\n<li class=\"l\"> Implementado a execu\u00e7\u00e3o em cont\u00eainer da plataforma Cockpit, que serve de base para a interface web do configurador e instalador.\n<li class=\"l\"> Oferecida a possibilidade de utilizar criptografia de disco completo (FDE, Full Disk Encryption) em instala\u00e7\u00f5es em hardware comum, e n\u00e3o apenas em sistemas de virtualiza\u00e7\u00e3o e nuvem.\n<li class=\"l\"> GRUB2 \u00e9 utilizado como o gerenciador de inicializa\u00e7\u00e3o principal.\n<li class=\"l\"> Adicionadas configura\u00e7\u00f5es para a implanta\u00e7\u00e3o de cont\u00eaineres para criar um firewall (firewalld-container) e para o gerenciamento centralizado de sistemas e clusters (warewulf-container).        <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58367\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f SUSE \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0432\u0442\u043e\u0440\u043e\u0439 \u043f\u0440\u043e\u0442\u043e\u0442\u0438\u043f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b ALP &#171;Punta Baretti&#187; (Adaptable Linux Platform), \u043f\u043e\u0437\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u0443\u0435\u043c\u043e\u0439 \u043a\u0430\u043a \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0435\u043d\u0438\u0435 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u044f \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 SUSE Linux Enterprise. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u043c \u043e\u0442\u043b\u0438\u0447\u0438\u0435\u043c ALP \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u0431\u0430\u0437\u043e\u0432\u043e\u0439 \u043e\u0441\u043d\u043e\u0432\u044b \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 \u043d\u0430 \u0434\u0432\u0435 \u0447\u0430\u0441\u0442\u0438: \u0443\u0440\u0435\u0437\u0430\u043d\u043d\u0443\u044e &#171;host OS&#187; \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e\u0432\u0435\u0440\u0445 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0441\u043b\u043e\u0439 \u0434\u043b\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u0437\u0430\u043f\u0443\u0441\u043a \u0432 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430\u0445 \u0438 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d\u0430\u0445. \u0421\u0431\u043e\u0440\u043a\u0438 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b [&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":[702],"tags":[],"class_list":["post-106211","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f SUSE \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0432\u0442\u043e\u0440\u043e\u0439 \u043f\u0440\u043e\u0442\u043e\u0442\u0438\u043f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b ALP &quot;Punta Baretti&quot; 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