{"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\/sk\/blog\/news\/vypusk-kata-containers-3-0-s-izolyacziej-na-osnove-virtualizaczii","title":{"rendered":"Vydanie Kata Containers 3.0 s izol\u00e1ciou na b\u00e1ze virtualiz\u00e1cie","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po dvoch rokoch v\u00fdvoja bol zverejnen\u00fd projekt Kata Containers 3.0, ktor\u00fd rozv\u00edja technol\u00f3giu na organizovanie vykon\u00e1vania kontajnerov s vyu\u017eit\u00edm izol\u00e1cie zalo\u017eenej na plnohodnotn\u00fdch mechanizmoch virtualiz\u00e1cie. Projekt bol vytvoren\u00fd spolo\u010dnos\u0165ami Intel a Hyper kombinovan\u00edm technol\u00f3gi\u00ed Clear Containers a runV. K\u00f3d projektu je nap\u00edsan\u00fd v jazykoch Go a Rust a je distribuovan\u00fd pod licenciou Apache 2.0. Rozvoj projektu riadi pracovn\u00e1 skupina vytvoren\u00e1 pod egidou nez\u00e1vislej organiz\u00e1cie OpenStack Foundation, v ktorej sa podie\u013eaj\u00fa tak\u00e9 spolo\u010dnosti ako Canonical, China Mobile, Dell\/EMC, EasyStack, Google, Huawei, NetApp, Red Hat, SUSE a ZTE.     <\/p>\n<p>Z\u00e1kladom Kata je runtime, ktor\u00fd poskytuje mo\u017enos\u0165 vytv\u00e1ra\u0165 kompaktn\u00e9 virtu\u00e1lne stroje, ktor\u00e9 sa vykon\u00e1vaj\u00fa pomocou plnohodnotn\u00e9ho hyperv\u00edzora, namiesto tradi\u010dn\u00fdch kontajnerov, ktor\u00e9 pou\u017e\u00edvaj\u00fa spolo\u010dn\u00e9 jadro Linux a s\u00fa izolovan\u00e9 pomocou menov\u00fdch priestorov a cgroups. Pou\u017eitie <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/vps\/\"   title=\"virtu\u00e1ln\u00edch stroj\u016f\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2119\">virtu\u00e1ln\u00edch stroj\u016f<\/a> umo\u017e\u0148uje dosiahnu\u0165 vy\u0161\u0161\u00ed \u00farove\u0148 bezpe\u010dnosti, chr\u00e1nenej pred \u00fatokmi sp\u00f4soben\u00fdmi zneu\u017e\u00edvan\u00edm zranite\u013enost\u00ed v jadre Linux.     <\/p>\n<p>Kata Containers je zameran\u00fd na integr\u00e1ciu do existuj\u00facich infra\u0161trukt\u00far kontajnerovej izol\u00e1cie s mo\u017enos\u0165ou pou\u017eitia tak\u00fdchto virtu\u00e1lnych strojov na posilnenie ochrany tradi\u010dn\u00fdch kontajnerov. Projekt poskytuje mechanizmy na zabezpe\u010denie kompatibility \u013eahk\u00fdch virtu\u00e1lnych strojov s r\u00f4znymi infra\u0161trukt\u00farami kontajnerovej izol\u00e1cie, platformami na orchestr\u00e1ciu kontajnerov a \u0161pecifik\u00e1ciami, ako OCI (Open Container Initiative), CRI (Container Runtime Interface) a CNI (Container Networking Interface). K dispoz\u00edcii s\u00fa prostriedky na integr\u00e1ciu s Dockerom, Kubernetes, QEMU a OpenStackom.      <\/p>\n<p><center><img decoding=\"async\" alt=\"Vydanie Kata Containers 3.0 s izol\u00e1ciou na b\u00e1ze virtualiz\u00e1cie\" src=\"\/wp-content\/uploads\/2022\/10\/042a458aaefdfdb76d3ae34a13c003b1.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>          <\/p>\n<p>Integr\u00e1cia so syst\u00e9mami spr\u00e1vy kontajnerov sa dosahuje cez vrstvu, ktor\u00e1 simuluje spr\u00e1vu kontajnera, ktor\u00e1 prostredn\u00edctvom gRPC rozhrania a \u0161peci\u00e1lneho proxy oslovuje spr\u00e1vcu agenta vo virtu\u00e1lnom stroji. V r\u00e1mci virtu\u00e1lneho prostredia, ktor\u00e9 sp\u00fa\u0161\u0165a hyperv\u00edzor, sa pou\u017e\u00edva \u0161peci\u00e1lne optimalizovan\u00e9 jadro Linux, ktor\u00e9 obsahuje iba minim\u00e1lny s\u00fabor potrebn\u00fdch funkci\u00ed.       <\/p>\n<p>Ako hyperv\u00edzor sa podporuje pou\u017e\u00edvanie Dragonball Sandbox (KVM ed\u00edcia optimalizovan\u00e1 pre kontajnery) s n\u00e1strojom QEMU, ako aj Firecracker a Cloud Hypervisor. Syst\u00e9mov\u00e9 prostredie zah\u0155\u0148a demon inicializ\u00e1cie a agenta (Agent). Agent zabezpe\u010duje spustenie vybran\u00fdch obrazov kontajnerov vo form\u00e1te OCI pre Docker a CRI pre Kubernetes. Pri pou\u017eit\u00ed spolo\u010dne s Dockerom sa pre ka\u017ed\u00fd kontajner vytv\u00e1ra samostatn\u00e1 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/vps\/abuzoustojchivye-vps\/\"   title=\"virtu\u00e1lna ma\u0161ina\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4204\">virtu\u00e1lna ma\u0161ina<\/a>, t.j. sp\u00fa\u0161\u0165an\u00e9 nad hyperv\u00edzorom prostredie sa aplikuje na vnoren\u00e9 spustenie kontajnerov.     <center><img decoding=\"async\" alt=\"Vydanie Kata Containers 3.0 s izol\u00e1ciou na b\u00e1ze virtualiz\u00e1cie\" src=\"\/wp-content\/uploads\/2022\/10\/9a14511909ca2500f10caf0c6039594a.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>Na zn\u00ed\u017eenie spotreby pam\u00e4te sa aplikuje mechanizmus DAX (priame pr\u00edstup k FS mimo str\u00e1nkov\u00e9ho cache bez pou\u017eitia \u00farovne blokov\u00fdch zariaden\u00ed), a na deduplik\u00e1ciu identick\u00fdch oblast\u00ed pam\u00e4te sa pou\u017e\u00edva technol\u00f3gia KSM (Kernel Samepage Merging), \u010do umo\u017e\u0148uje organizova\u0165 zdie\u013eanie zdrojov hostite\u013esk\u00e9ho syst\u00e9mu a pripoji\u0165 k r\u00f4znym hos\u0165uj\u00facim syst\u00e9mom spolo\u010dn\u00fd model syst\u00e9mov\u00e9ho prostredia.     <\/p>\n<p>V novej verzii:  <\/p>\n<ul>\n<li class=\"l\"> Navrhnut\u00fd alternat\u00edvny runtime (runtime-rs) vytv\u00e1ra n\u00e1plne kontajnerov, nap\u00edsan\u00fd v jazyku Rust (predt\u00fdm dod\u00e1van\u00fd runtime bol nap\u00edsan\u00fd v jazyku Go). Runtime je kompatibiln\u00fd s OCI, CRI-O a Containerd, \u010do umo\u017e\u0148uje jeho pou\u017eitie s Dockerom a Kubernetes.\n<li class=\"l\"> Navrhnut\u00fd nov\u00fd hyperv\u00edzor dragonball, zalo\u017een\u00fd na KVM a rust-vmm.\n<li class=\"l\"> Pridan\u00e1 podpora prenosu pr\u00edstupu k GPU pomocou VFIO.\n<li class=\"l\"> Pridan\u00e1 podpora cgroup v2.\n<li class=\"l\"> Implementovan\u00e1 podpora na zmenu nastaven\u00ed bez zmeny hlavn\u00e9ho konfigura\u010dn\u00e9ho s\u00faboru prostredn\u00edctvom v\u00fdmeny blokov v samostatn\u00fdch s\u00faboroch umiestnen\u00fdch v adres\u00e1ri &#171;config.d\/&#187;.\n<li class=\"l\"> V komponentoch nap\u00edsan\u00fdch v jazyku Rust bola nasaden\u00e1 nov\u00e1 kni\u017enica pre bezpe\u010dn\u00fa pr\u00e1cu s cestami k s\u00faborom.\n<li class=\"l\"> Komponent virtiofsd (nap\u00edsan\u00fd v C) bol nahraden\u00fd virtiofsd-rs (nap\u00edsan\u00fd v Rust).\n<li class=\"l\"> Pridan\u00e1 podpora sandbox izol\u00e1cie komponentov QEMU.\n<li class=\"l\"> V QEMU pre asynchr\u00f3nne vstup\/v\u00fdstup je vyu\u017eit\u00fd API io_uring.\n<li class=\"l\"> Pre QEMU a Cloud-hypervisor sa realizovala podpora roz\u0161\u00edren\u00ed Intel TDX (Trusted Domain Extensions).\n<li class=\"l\"> Aktualizovan\u00e9 komponenty: QEMU 6.2.0, Cloud-hypervisor 26.0, Firecracker 1.1.0, jadro Linux 5.19.2.    <\/ul>\n<p>Zdroj: <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 5.0.4 - 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