{"id":100944,"date":"2021-08-08T16:22:42","date_gmt":"2021-08-08T14:22:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-bottlerocket-1-2-distributiva-na-baze-izolirovannyh-kontejnerov"},"modified":"2021-08-08T16:22:42","modified_gmt":"2021-08-08T14:22:42","slug":"vypusk-bottlerocket-1-2-distributiva-na-baze-izolirovannyh-kontejnerov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-bottlerocket-1-2-distributiva-na-baze-izolirovannyh-kontejnerov","title":{"rendered":"Lan\u00e7amento do Bottlerocket 1.2, uma distribui\u00e7\u00e3o baseada em cont\u00eaineres isolados.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Est\u00e1 dispon\u00edvel a vers\u00e3o 1.2.0 da distribui\u00e7\u00e3o Linux Bottlerocket, desenvolvida em colabora\u00e7\u00e3o com a Amazon para o lan\u00e7amento eficiente e seguro de cont\u00eaineres isolados. As ferramentas e os componentes de gerenciamento da distribui\u00e7\u00e3o s\u00e3o escritos na linguagem Rust e s\u00e3o distribu\u00eddos sob as licen\u00e7as MIT e Apache 2.0. O Bottlerocket suporta execu\u00e7\u00e3o em clusters Amazon ECS, VMware e AWS EKS Kubernetes, bem como a cria\u00e7\u00e3o de builds e edi\u00e7\u00f5es personalizadas que permitem a utiliza\u00e7\u00e3o de v\u00e1rias ferramentas de orquestra\u00e7\u00e3o e runtime para cont\u00eaineres.      <\/p>\n<p>A distribui\u00e7\u00e3o fornece uma imagem do sistema at\u00f4mica e atualiz\u00e1vel automaticamente, incluindo o n\u00facleo Linux e um ambiente m\u00ednimo do sistema, contendo apenas os componentes necess\u00e1rios para executar cont\u00eaineres. O ambiente utiliza o gerenciador de sistema systemd, a biblioteca Glibc, a ferramenta de constru\u00e7\u00e3o Buildroot, o carregador de inicializa\u00e7\u00e3o GRUB, o configurador de rede wicked, o runtime para cont\u00eaineres isolados containerd, a plataforma de orquestra\u00e7\u00e3o de cont\u00eaineres Kubernetes, o autenticador aws-iam-authenticator e o agente Amazon ECS.     <\/p>\n<p>As ferramentas para orquestra\u00e7\u00e3o de cont\u00eaineres s\u00e3o fornecidas em um cont\u00eainer de gerenciamento separado, que \u00e9 inclu\u00eddo por padr\u00e3o e gerenciado via API e AWS SSM Agent. A imagem base n\u00e3o cont\u00e9m um shell de comando. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\">servidor<\/a> SSH e linguagens interpretadas (por exemplo, n\u00e3o Python ou Perl) \u2014 ferramentas para administradores e ferramentas de depura\u00e7\u00e3o foram colocadas em um cont\u00eainer de servi\u00e7o separado, que por padr\u00e3o est\u00e1 desativado.       <\/p>\n<p>A principal diferen\u00e7a de distribui\u00e7\u00f5es semelhantes, como Fedora CoreOS e CentOS\/Red Hat Atomic Host, \u00e9 a \u00eanfase em proporcionar a m\u00e1xima seguran\u00e7a no contexto de fortalecimento da prote\u00e7\u00e3o do sistema contra poss\u00edveis amea\u00e7as, dificultando a explora\u00e7\u00e3o de vulnerabilidades nos componentes do sistema operacional e aumentando a isolamento dos cont\u00eaineres. Os cont\u00eaineres s\u00e3o criados utilizando mecanismos padr\u00e3o do n\u00facleo Linux \u2014 cgroups, namespaces e seccomp. Para isolamento adicional, a distribui\u00e7\u00e3o utiliza SELinux no modo \u2018enforcing\u2019.    <\/p>\n<p>A parti\u00e7\u00e3o raiz \u00e9 montada em modo somente leitura, e a parti\u00e7\u00e3o com configura\u00e7\u00f5es \/etc \u00e9 montada em tmpfs e restaura seu estado original ap\u00f3s a reinicializa\u00e7\u00e3o. A modifica\u00e7\u00e3o direta de arquivos no diret\u00f3rio \/etc, como \/etc\/resolv.conf e \/etc\/containerd\/config.toml, n\u00e3o \u00e9 suportada \u2014 para a preserva\u00e7\u00e3o permanente das configura\u00e7\u00f5es, deve-se usar a API ou mover funcionalidades para cont\u00eaineres separados. Para verifica\u00e7\u00e3o criptogr\u00e1fica da integridade da parti\u00e7\u00e3o raiz, \u00e9 utilizado o m\u00f3dulo dm-verity, e se uma tentativa de modifica\u00e7\u00e3o de dados for detectada no n\u00edvel do dispositivo de blocos, o sistema reinicia.       <\/p>\n<p>A maioria dos componentes do sistema \u00e9 escrita em Rust, que fornece ferramentas para gerenciamento seguro de mem\u00f3ria, evitando vulnerabilidades causadas por acesso a \u00e1reas de mem\u00f3ria ap\u00f3s a libera\u00e7\u00e3o, desrefer\u00eancia de ponteiros nulos e estouro de buffer. Na compila\u00e7\u00e3o padr\u00e3o, os modos de compila\u00e7\u00e3o \u2018--enable-default-pie\u2019 e \u2018--enable-default-ssp\u2019 s\u00e3o aplicados para incluir a aleatoriza\u00e7\u00e3o do endere\u00e7o de espa\u00e7o de arquivos execut\u00e1veis (PIE) e prote\u00e7\u00e3o contra estouro de pilha atrav\u00e9s da substitui\u00e7\u00e3o de marcadores can\u00e1rios. Para pacotes escritos em C\/C++, as flags \u2018-Wall\u2019, \u2018-Werror=format-security\u2019, \u2018-Wp,-D_FORTIFY_SOURCE=2\u2019, \u2018-Wp,-D_GLIBCXX_ASSERTIONS\u2019 e \u2018-fstack-clash-protection\u2019 s\u00e3o adicionadas.    <\/p>\n<p>No novo lan\u00e7amento:  <\/p>\n<ul>\n<li class=\"l\"> Adicionada a suporte a espelhos de registro de imagens de cont\u00eainer.\n<li class=\"l\"> Adicionada a possibilidade de usar certificados autoassinados.\n<li class=\"l\"> Adicionado um par\u00e2metro para configurar o nome do host.\n<li class=\"l\"> Atualizada a vers\u00e3o do cont\u00eainer administrativo padr\u00e3o.\n<li class=\"l\"> Adicionadas configura\u00e7\u00f5es topologyManagerPolicy e topologyManagerScope para kubelet.\n<li class=\"l\"> Adicionada a suporte \u00e0 compress\u00e3o do kernel usando o algoritmo zstd.\n<li class=\"l\"> Oferecida a possibilidade de carregar no VMware <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/vps\/\"   title=\"m\u00e1quinas virtuais\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2068\">m\u00e1quinas virtuais<\/a> no formato OVA (Open Virtualization Format).\n<li class=\"l\"> Atualizada a vers\u00e3o da distribui\u00e7\u00e3o aws-k8s-1.21 com suporte ao Kubernetes 1.21. O suporte ao aws-k8s-1.16 foi descontinuado.\n<li class=\"l\"> Atualizadas as vers\u00f5es dos pacotes e depend\u00eancias para a linguagem Rust.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55606\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a Linux-\u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Bottlerocket 1.2.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u043f\u0440\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Amazon \u0434\u043b\u044f \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0433\u043e \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432. \u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u044b \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044f\u043c\u0438 MIT \u0438 Apache 2.0. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0437\u0430\u043f\u0443\u0441\u043a Bottlerocket \u0432 \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u0430\u0445 Amazon ECS, VMware \u0438 AWS EKS Kubernetes, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043e\u043a \u0438 \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u0439, \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0449\u0438\u0445 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 [&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-100944","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=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a 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