{"id":111065,"date":"2023-10-24T15:10:29","date_gmt":"2023-10-24T13:10:30","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-kata-containers-3-2-s-izolyacziej-na-osnove-virtualizaczii"},"modified":"2023-10-24T15:10:29","modified_gmt":"2023-10-24T13:10:30","slug":"vypusk-kata-containers-3-2-s-izolyacziej-na-osnove-virtualizaczii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-kata-containers-3-2-s-izolyacziej-na-osnove-virtualizaczii","title":{"rendered":"Udgivelsen af Kata Containers 3.2 med isolering baseret p\u00e5 virtualisering.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Udgivelsen af Kata Containers projekt 3.2 er annonceret, som udvikler en stak til at organisere udf\u00f8relsen af containere med brug af isolering baseret p\u00e5 fulde virtualiseringsmekanismer. Projektet er skabt af virksomhederne Intel og Hyper ved at kombinere teknologierne Clear Containers og runV. Koden til projektet er skrevet i Go og Rust og distribueres under Apache 2.0 licensen. Udviklingen af projektet ledes af en arbejdsgruppe oprettet under den uafh\u00e6ngige organisation OpenStack Foundation, som inkluderer virksomheder som Canonical, China Mobile, Dell\/EMC, EasyStack, Google, Huawei, NetApp, Red Hat, SUSE og ZTE.     <\/p>\n<p>Kernen i Kata er et runtime, der g\u00f8r det muligt at oprette kompakte virtuelle maskiner, der k\u00f8rer ved hj\u00e6lp af en fuldgyldig hypervisor i stedet for at anvende traditionelle containere, som bruger et f\u00e6lles Linux-kerne og er isoleret ved hj\u00e6lp af namespaces og cgroups. Anvendelsen <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/vps\/\"   title=\"virtual machines\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2128\">virtual machines<\/a> sikrer et h\u00f8jere sikkerhedsniveau, der beskytter mod angreb for\u00e5rsaget af udnyttelse af s\u00e5rbarheder i Linux-kernen.     <\/p>\n<p>Kata Containers er designet til integration i eksisterende containerisolationsinfrastrukturer med mulighed for at anvende s\u00e5danne virtuelle maskiner til at styrke beskyttelsen af traditionelle containere. Projektet tilbyder mekanismer til at sikre kompatibiliteten af letv\u00e6gts virtuelle maskiner med forskellige containerisolationsinfrastrukturer, containerorkestreringsplatforme og specifikationer s\u00e5som OCI (Open Container Initiative), CRI (Container Runtime Interface) og CNI (Container Networking Interface). V\u00e6rkt\u00f8jer til integration med Docker, Kubernetes, QEMU og OpenStack er tilg\u00e6ngelige.    <\/p>\n<p>Integration med containerstyringssystemer opn\u00e5s ved hj\u00e6lp af et lag, der simulerer containerstyring, som via gRPC-gr\u00e6nsefladen og en specialiseret proxy henvender sig til det administrerende agent i den virtuelle maskine. Inden for det virtuelle milj\u00f8, der k\u00f8res af hypervisoren, anvendes en specielt optimeret Linux-kerne, der kun indeholder det minimale n\u00f8dvendige s\u00e6t af funktioner.     <\/p>\n<p>Som hypervisor underst\u00f8ttes brugen af Dragonball Sandbox (en KVM-revision, optimeret til containere) med QEMU-v\u00e6rkt\u00f8jerne samt Firecracker og Cloud Hypervisor. Det systemmilj\u00f8 inkluderer en initialiseringsd\u00e6mon og en agent (Agent). Agenten muligg\u00f8r k\u00f8rsel af brugerspecificerede containerbilleder i OCI-format for Docker og CRI for Kubernetes. N\u00e5r det bruges sammen med Docker, oprettes der en separat <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/vps\/abuzoustojchivye-vps\/\"   title=\"virtual machine\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4205\">virtual machine<\/a>, dvs. et k\u00f8rende milj\u00f8 oven p\u00e5 hypervisoren anvendes til indlejret start af containere.     <\/p>\n<p><center><img decoding=\"async\" alt=\"Udgivelsen af Kata Containers 3.2 med isolering baseret p\u00e5 virtualisering. \" src=\"\/wp-content\/uploads\/2023\/10\/ef8e4a67a1ba0bdc9d67c8577f2b292f.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>For at reducere hukommelsesforbruget anvendes mekanismen DAX (direct access to file system bypassing page cache without using block device layer), og til deduplikeringsmuligheder af ensartede hukommelsesomr\u00e5der anvendes KSM-teknologi (Kernel Samepage Merging), hvilket muligg\u00f8r deling af ressourcer p\u00e5 v\u00e6rtsystemet og tilslutning af et f\u00e6lles skabelon systemmilj\u00f8 til forskellige g\u00e6stesystemer.       <\/p>\n<p>I den nye version:  <\/p>\n<ul>\n<li class=\"l\"> Udover st\u00f8tte til AMD64 (x86_64) arkitekturen er der genereret udgivelser til ARM64 (Aarch64) og s390 (IBM Z) arkitekturer. Der er ogs\u00e5 arbejde i gang for at underst\u00f8tte ppc64le (IBM Power) arkitekturen.\n<li class=\"l\"> For at organisere adgangen til containerbilleder er der brugt filsystemet Nydus 2.2.0, som anvender indholdsadressering for effektivt samarbejde med standardbilleder. Nydus underst\u00f8tter on-the-fly indl\u00e6sning af billeder (indl\u00e6ser kun ved behov), tilbyder deduplisering af gentagne data og kan bruge forskellige backends til faktisk opbevaring. Der gives kompatibilitet med POSIX (analog til Composefs, kombinerer Nydus muligheden for OverlayFS med EROFS eller FUSE-modul).\n<li class=\"l\"> I hovedkomponenten af Kata Containers projektet er der integreret en virtuel maskinmanager Dragonball, som nu vil blive udviklet i det f\u00e6lles repository.\n<li class=\"l\"> Der er tilf\u00f8jet en fejlfindingsfunktion til v\u00e6rkt\u00f8jet kata-ctl for at forbinde til den virtuelle maskine fra v\u00e6rtens milj\u00f8.\n<li class=\"l\"> Kapaciteten til GPU-h\u00e5ndtering er blevet udvidet, og der er tilf\u00f8jet st\u00f8tte til GPU-gennemstr\u00f8mning til containere til konfidential computing (Confidential Container), som sikrer kryptering af data, hukommelse og udf\u00f8relsestilstand for at beskytte i tilf\u00e6lde af kompromittering af v\u00e6rtens milj\u00f8 eller hypervisor.\n<li class=\"l\"> I Runtime-rs er der tilf\u00f8jet et subsystem til enhedsadministration, der anvendes i containere eller sandbox-milj\u00f8er. Der er st\u00f8tte til arbejde med vfio, blok-, netv\u00e6rks- og andre typer enheder.\n<li class=\"l\"> Der er sikret kompatibilitet med OCI Runtime 1.0.2 og Kubernetes 1.23.1.\n<li class=\"l\"> For Linux-kernen anbefales det at bruge version 6.1.38 med patches.\n<li class=\"l\"> Udviklingen er blevet overf\u00f8rt fra at bruge det kontinuerlige integrationssystem Jenkins til GitHub Actions.      <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59985\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\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 3.2, \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 \u0433\u0440\u0443\u043f\u043f\u0430, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u0430\u044f \u043f\u043e\u0434 \u044d\u0433\u0438\u0434\u043e\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":111066,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-111065","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\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 3.2, \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 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