{"id":105291,"date":"2022-10-12T03:36:45","date_gmt":"2022-10-12T01:36:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-kata-containers-3-0-s-izolyacziej-na-osnove-virtualizaczii"},"modified":"2022-10-12T03:36:45","modified_gmt":"2022-10-12T01:36:47","slug":"vypusk-kata-containers-3-0-s-izolyacziej-na-osnove-virtualizaczii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/vypusk-kata-containers-3-0-s-izolyacziej-na-osnove-virtualizaczii","title":{"rendered":"Wydanie Kata Containers 3.0 z izolacj\u0105 opart\u0105 na wirtualizacji","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po dw\u00f3ch latach prac rozwojowych opublikowano wersj\u0119 projektu Kata Containers 3.0, kt\u00f3ra rozwija zestaw narz\u0119dzi do organizowania uruchamiania kontener\u00f3w z wykorzystaniem izolacji opartej na pe\u0142nych mechanizmach wirtualizacji. Projekt zosta\u0142 stworzony przez firmy Intel i Hyper poprzez po\u0142\u0105czenie technologii Clear Containers oraz runV. Kod projektu napisano w j\u0119zykach Go i Rust i rozpowszechnia si\u0119 na licencji Apache 2.0. Rozw\u00f3j projektu nadzoruje grupa robocza powo\u0142ana pod egid\u0105 niezale\u017cnej organizacji OpenStack Foundation, w kt\u00f3rej uczestnicz\u0105 takie firmy jak Canonical, China Mobile, Dell\/EMC, EasyStack, Google, Huawei, NetApp, Red Hat, SUSE oraz ZTE.     <\/p>\n<p>Podstaw\u0105 Kata jest runtime, kt\u00f3ry umo\u017cliwia tworzenie kompaktowych maszyn wirtualnych dzia\u0142aj\u0105cych z wykorzystaniem pe\u0142noprawnego hypervisora, zamiast stosowa\u0107 tradycyjne kontenery z u\u017cyciem wsp\u00f3lnego j\u0105dra Linux i izolowanych za pomoc\u0105 przestrzeni nazw i cgroups. Zastosowanie <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/vps\/\"   title=\"maszyn wirtualnych\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2119\">maszyn wirtualnych<\/a> pozwala na osi\u0105gni\u0119cie wy\u017cszego poziomu bezpiecze\u0144stwa, chroni\u0105cego przed atakami wynikaj\u0105cymi z eksploatacji luk w j\u0105drze Linux.     <\/p>\n<p>Kata Containers jest ukierunkowany na integracj\u0119 z istniej\u0105cymi infrastrukturami izolacji kontener\u00f3w, z mo\u017cliwo\u015bci\u0105 stosowania podobnych maszyn wirtualnych do wzmocnienia ochrony tradycyjnych kontener\u00f3w. Projekt oferuje mechanizmy zapewniaj\u0105ce kompatybilno\u015b\u0107 lekkich maszyn wirtualnych z r\u00f3\u017cnymi infrastrukturami izolacji kontener\u00f3w, platformami orkiestracji kontener\u00f3w oraz specyfikacjami takimi jak OCI (Open Container Initiative), CRI (Container Runtime Interface) i CNI (Container Networking Interface). Dost\u0119pne s\u0105 narz\u0119dzia do integracji z Dockerem, Kubernetes, QEMU i OpenStack.      <\/p>\n<p><center><img decoding=\"async\" alt=\"Wydanie Kata Containers 3.0 z izolacj\u0105 opart\u0105 na wirtualizacji\" src=\"\/wp-content\/uploads\/2022\/10\/042a458aaefdfdb76d3ae34a13c003b1.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>          <\/p>\n<p>Integracja z systemami zarz\u0105dzania kontenerami osi\u0105gana jest dzi\u0119ki warstwie symuluj\u0105cej zarz\u0105dzanie kontenerem, kt\u00f3ra przez interfejs gRPC oraz specjalny proxy komunikuje si\u0119 z agentem zarz\u0105dzaj\u0105cym w maszynie wirtualnej. W obr\u0119bie wirtualnego \u015brodowiska, kt\u00f3re uruchamia hyperwizor, stosowane jest specjalnie zoptymalizowane j\u0105dro Linux, zawieraj\u0105ce jedynie minimalny zestaw niezb\u0119dnych mo\u017cliwo\u015bci.       <\/p>\n<p>Jako hipernadzorca obs\u0142ugiwany jest Dragonball Sandbox (wydanie KVM, zoptymalizowane pod k\u0105tem kontener\u00f3w) z narz\u0119dziami QEMU, a tak\u017ce Firecracker i Cloud Hypervisor. \u015arodowisko systemowe obejmuje demona inicjalizacyjnego i agenta (Agent). Agent zapewnia uruchamianie obraz\u00f3w kontener\u00f3w w formacie OCI dla Dockera i CRI dla Kubernetesa okre\u015blonych przez u\u017cytkownika. Przy u\u017cyciu Dockera dla ka\u017cdego kontenera tworzone jest oddzielne <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/vps\/abuzoustojchivye-vps\/\"   title=\"maszyna wirtualna\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4204\">maszyna wirtualna<\/a>, tzn. uruchamiane na hipernadzorze \u015brodowisko jest stosowane do zagnie\u017cd\u017conego uruchamiania kontener\u00f3w.     <center><img decoding=\"async\" alt=\"Wydanie Kata Containers 3.0 z izolacj\u0105 opart\u0105 na wirtualizacji\" src=\"\/wp-content\/uploads\/2022\/10\/9a14511909ca2500f10caf0c6039594a.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>Aby zmniejszy\u0107 zu\u017cycie pami\u0119ci, wdro\u017cono mechanizm DAX (bezpo\u015bredni dost\u0119p do systemu plik\u00f3w z pomini\u0119ciem pami\u0119ci podr\u0119cznej stron bez wykorzystywania poziomu urz\u0105dze\u0144 blokowych), a do deduplikacji powtarzaj\u0105cych si\u0119 obszar\u00f3w pami\u0119ci stosowana jest technologia KSM (Kernel Samepage Merging), co pozwala na zorganizowanie wsp\u00f3lnego wykorzystania zasob\u00f3w systemu gospodarza i pod\u0142\u0105czenie do r\u00f3\u017cnych system\u00f3w go\u015bcinnych wsp\u00f3lnego szablonu \u015brodowiska systemowego.     <\/p>\n<p>W nowej wersji:  <\/p>\n<ul>\n<li class=\"l\"> Zaproponowano alternatywny runtime (runtime-rs), kt\u00f3ry tworzy zawarto\u015b\u0107 kontener\u00f3w, napisany w j\u0119zyku Rust (wcze\u015bniej dostarczany runtime by\u0142 napisany w j\u0119zyku Go). Runtime jest zgodny z OCI, CRI-O i Containerd, co pozwala na jego u\u017cycie z Dockerem i Kubernetesem.\n<li class=\"l\"> Zaproponowano nowy hypervisor dragonball, oparty na KVM i rust-vmm.\n<li class=\"l\"> Dodano wsparcie dla przekazywania dost\u0119pu do GPU z wykorzystaniem VFIO.\n<li class=\"l\"> Dodano wsparcie dla cgroup v2.\n<li class=\"l\"> Zrealizowano wsparcie dla zmiany ustawie\u0144 bez modyfikacji g\u0142\u00f3wnego pliku konfiguracyjnego poprzez zast\u0119powanie blok\u00f3w w oddzielnych plikach, umieszczonych w katalogu 'config.d\/'.\n<li class=\"l\"> W komponentach napisanych w j\u0119zyku Rust u\u017cyto nowej biblioteki do bezpiecznej pracy z \u015bcie\u017ckami plik\u00f3w.\n<li class=\"l\"> Komponent virtiofsd (napisany w C) zast\u0105piono virtiofsd-rs (napisanym w Rust).\n<li class=\"l\"> Dodano wsparcie dla izolacji sandbox komponent\u00f3w QEMU.\n<li class=\"l\"> W QEMU dla asynchronicznego wej\u015bcia\/wyj\u015bcia wykorzystano API io_uring.\n<li class=\"l\"> Dla QEMU i Cloud-hypervisor wprowadzono wsparcie rozszerze\u0144 Intel TDX (Trusted Domain Extensions).\n<li class=\"l\"> Zaktualizowano komponenty: QEMU 6.2.0, Cloud-hypervisor 26.0, Firecracker 1.1.0, j\u0105dro Linux 5.19.2.    <\/ul>\n<p>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57904\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0443\u0445 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Kata Containers 3.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0441\u0442\u0435\u043a \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u044b\u0445 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u043e\u0432 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438. \u041f\u0440\u043e\u0435\u043a\u0442 \u0441\u043e\u0437\u0434\u0430\u043d \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f\u043c\u0438 Intel \u0438 Hyper \u043f\u0443\u0442\u0451\u043c \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0439 Clear Containers \u0438 runV. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0430\u0445 Go \u0438 Rust, \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0. \u0420\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043a\u0443\u0440\u0438\u0440\u0443\u0435\u0442 \u0440\u0430\u0431\u043e\u0447\u0430\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":105292,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 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