{"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\/cs\/blog\/news\/vypusk-kata-containers-3-2-s-izolyacziej-na-osnove-virtualizaczii","title":{"rendered":"Vyd\u00e1n\u00ed Kata Containers 3.2 s izolac\u00ed na b\u00e1zi virtualizace","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byl vyd\u00e1n projekt Kata Containers 3.2, kter\u00fd rozv\u00edj\u00ed stack pro organizaci prov\u00e1d\u011bn\u00ed kontejner\u016f s vyu\u017eit\u00edm izolace na b\u00e1zi plnohodnotn\u00fdch mechanism\u016f virtualizace. Projekt byl vytvo\u0159en spole\u010dnostmi Intel a Hyper slou\u010den\u00edm technologi\u00ed Clear Containers a runV. K\u00f3d projektu je naps\u00e1n v jazyc\u00edch Go a Rust a je distribuov\u00e1n pod licenc\u00ed Apache 2.0. Rozvoj projektu je \u0159\u00edzen pracovn\u00edm t\u00fdmem vytvo\u0159en\u00fdm pod hlavi\u010dkou nez\u00e1visl\u00e9 organizace OpenStack Foundation, do kter\u00e9 pat\u0159\u00ed spole\u010dnosti jako Canonical, China Mobile, Dell\/EMC, EasyStack, Google, Huawei, NetApp, Red Hat, SUSE a ZTE.     <\/p>\n<p>Z\u00e1kladem Kata je runtime, kter\u00fd umo\u017e\u0148uje vytv\u00e1\u0159et kompaktn\u00ed virtu\u00e1ln\u00ed stroje, provozovan\u00e9 s vyu\u017eit\u00edm plnohodnotn\u00e9ho hypervizoru, m\u00edsto pou\u017e\u00edv\u00e1n\u00ed tradi\u010dn\u00edch kontejner\u016f, kter\u00e9 vyu\u017e\u00edvaj\u00ed spole\u010dn\u00e9 j\u00e1dro Linuxu a jsou izolov\u00e1ny pomoc\u00ed prostor\u016f jmen a cgroups. Pou\u017eit\u00ed <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/vps\/\"   title=\"virtu\u00e1ln\u00edch stroj\u016f\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2128\">virtu\u00e1ln\u00edch stroj\u016f<\/a> umo\u017e\u0148uje dos\u00e1hnout vy\u0161\u0161\u00ed \u00farovn\u011b bezpe\u010dnosti, kter\u00e1 chr\u00e1n\u00ed p\u0159ed \u00fatoky zp\u016fsoben\u00fdmi zneu\u017e\u00edv\u00e1n\u00edm zranitelnost\u00ed v j\u00e1d\u0159e Linuxu.     <\/p>\n<p>Kata Containers se zam\u011b\u0159uje na integraci do st\u00e1vaj\u00edc\u00edch infrastruktur kontejnerov\u00e9 izolace s mo\u017enost\u00ed vyu\u017eit\u00ed podobn\u00fdch virtu\u00e1ln\u00edch stroj\u016f pro pos\u00edlen\u00ed ochrany tradi\u010dn\u00edch kontejner\u016f. Projekt poskytuje mechanismy pro zaji\u0161t\u011bn\u00ed kompatibility lehk\u00fdch virtu\u00e1ln\u00edch stroj\u016f s r\u016fzn\u00fdmi infrastrukturami kontejnerov\u00e9 izolace, platformami pro orchestraci kontejner\u016f a specifikacemi, jako jsou OCI (Open Container Initiative), CRI (Container Runtime Interface) a CNI (Container Networking Interface). Jsou dostupn\u00e9 prost\u0159edky pro integraci s Dockerem, Kubernetes, QEMU a OpenStack.    <\/p>\n<p>Integrace se syst\u00e9my spr\u00e1vy kontejner\u016f je dosa\u017eena pomoc\u00ed vrstvy, kter\u00e1 simuluje spr\u00e1vu kontejneru, a kter\u00e1 prost\u0159ednictv\u00edm gRPC rozhran\u00ed a speci\u00e1ln\u00edho proxy se obrac\u00ed na \u0159\u00edd\u00edc\u00edho agenta ve virtu\u00e1ln\u00edm stroji. Uvnit\u0159 virtu\u00e1ln\u00edho prost\u0159ed\u00ed, kter\u00e9 je spou\u0161t\u011bno hypervizorem, se pou\u017e\u00edv\u00e1 speci\u00e1ln\u011b optimalizovan\u00e9 j\u00e1dro Linuxu, kter\u00e9 obsahuje pouze minim\u00e1ln\u00ed sadu pot\u0159ebn\u00fdch funkc\u00ed.     <\/p>\n<p>Jako hypervisor je podporov\u00e1no pou\u017eit\u00ed Dragonball Sandbox (KVM edice optimalizovan\u00e1 pro kontejnery) s n\u00e1strojem QEMU, stejn\u011b jako Firecracker a Cloud Hypervisor. Syst\u00e9mov\u00e9 prost\u0159ed\u00ed zahrnuje d\u00e9mon inicializace a agenta (Agent). Agent zaji\u0161\u0165uje prov\u00e1d\u011bn\u00ed u\u017eivatelsky definovan\u00fdch obraz\u016f kontejner\u016f ve form\u00e1tu OCI pro Docker a CRI pro Kubernetes. P\u0159i pou\u017eit\u00ed ve spojen\u00ed s Dockerem je pro ka\u017ed\u00fd kontejner vytvo\u0159ena samostatn\u00e1 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/vps\/abuzoustojchivye-vps\/\"   title=\"virtu\u00e1ln\u00ed stroj\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4205\">virtu\u00e1ln\u00ed stroj<\/a>, tj. spu\u0161t\u011bn\u00e9 prost\u0159ed\u00ed nad hypervisorem se pou\u017e\u00edv\u00e1 pro vno\u0159en\u00e9 spou\u0161t\u011bn\u00ed kontejner\u016f.     <\/p>\n<p><center><img decoding=\"async\" alt=\"Vyd\u00e1n\u00ed Kata Containers 3.2 s izolac\u00ed na b\u00e1zi virtualizace \" src=\"\/wp-content\/uploads\/2023\/10\/ef8e4a67a1ba0bdc9d67c8577f2b292f.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>Pro sn\u00ed\u017een\u00ed spot\u0159eby pam\u011bti je pou\u017e\u00edv\u00e1n mechanismus DAX (p\u0159\u00edm\u00fd p\u0159\u00edstup k FS mimo str\u00e1nkovou mezipam\u011b\u0165 bez aplikace \u00farovn\u011b blokov\u00fdch za\u0159\u00edzen\u00ed), a pro deduplikaci stejn\u00fdch oblast\u00ed pam\u011bti je pou\u017eita technologie KSM (Kernel Samepage Merging), co\u017e umo\u017e\u0148uje organizovat sd\u00edlen\u00ed zdroj\u016f hostitelsk\u00e9ho syst\u00e9mu a p\u0159ipojit ke r\u016fzn\u00fdm hostovan\u00fdm syst\u00e9m\u016fm spole\u010dn\u00fd \u0161ablonov\u00fd syst\u00e9m.       <\/p>\n<p>V nov\u00e9 verzi:  <\/p>\n<ul>\n<li class=\"l\"> Krom\u011b podpory architektury AMD64 (x86_64) bylo zaji\u0161t\u011bno vytv\u00e1\u0159en\u00ed verz\u00ed pro architektury ARM64 (Aarch64) a s390 (IBM Z). Podpora architektury ppc64le (IBM Power) je ve v\u00fdvoji.\n<li class=\"l\"> Pro organizaci p\u0159\u00edstupu k obraz\u016fm kontejner\u016f je vyu\u017e\u00edv\u00e1n souborov\u00fd syst\u00e9m Nydus 2.2.0, kter\u00fd pou\u017e\u00edv\u00e1 adresaci podle obsahu pro efektivn\u00ed spolupr\u00e1ci s typov\u00fdmi obrazy. Nydus podporuje na\u010d\u00edt\u00e1n\u00ed obraz\u016f za b\u011bhu (na\u010d\u00edt\u00e1 pouze v p\u0159\u00edpad\u011b pot\u0159eby), zaji\u0161\u0165uje deduplikaci opakuj\u00edc\u00edch se dat a m\u016f\u017ee pou\u017e\u00edvat r\u016fzn\u00e9 backendy pro skute\u010dn\u00e9 ulo\u017een\u00ed. Je poskytov\u00e1na kompatibilita s POSIX (analogicky k Composefs, implementace Nydus kombinuje mo\u017enosti OverlayFS s EROFS nebo FUSE-modulem).\n<li class=\"l\"> Do hlavn\u00edho r\u00e1mce projektu Kata Containers byl integrov\u00e1n spr\u00e1vce virtu\u00e1ln\u00edch stroj\u016f Dragonball, kter\u00fd nyn\u00ed bude vyv\u00edjen v spole\u010dn\u00e9m repozit\u00e1\u0159i.\n<li class=\"l\"> Do utility kata-ctl byla p\u0159id\u00e1na debugovac\u00ed funkce pro p\u0159ipojen\u00ed k virtu\u00e1ln\u00edmu stroji z hostitelsk\u00e9ho prost\u0159ed\u00ed.\n<li class=\"l\"> Byly roz\u0161\u00ed\u0159eny mo\u017enosti spr\u00e1vy GPU a p\u0159id\u00e1na podpora pro p\u0159ed\u00e1v\u00e1n\u00ed GPU do kontejner\u016f pro d\u016fv\u011brn\u00e9 v\u00fdpo\u010dty (Confidential Container), kter\u00e9 zaji\u0161\u0165uje \u0161ifrov\u00e1n\u00ed dat, pam\u011bti a stavu prov\u00e1d\u011bn\u00ed pro ochranu v p\u0159\u00edpad\u011b kompromitace hostitelsk\u00e9ho prost\u0159ed\u00ed nebo hypervisoru.\n<li class=\"l\"> Do Runtime-rs byla p\u0159id\u00e1na podsyst\u00e9m spr\u00e1vy za\u0159\u00edzen\u00ed pou\u017e\u00edvan\u00fdch v kontejnerech nebo sandboxov\u00fdch prost\u0159ed\u00edch. Podporov\u00e1na je pr\u00e1ce s vfio, blokov\u00fdmi, s\u00ed\u0165ov\u00fdmi a dal\u0161\u00edmi typy za\u0159\u00edzen\u00ed.\n<li class=\"l\"> Byla zaji\u0161t\u011bna kompatibilita s OCI Runtime 1.0.2 a Kubernetes 1.23.1.\n<li class=\"l\"> Jako doporu\u010den\u00e9 j\u00e1dro Linuxu se m\u00e1 pou\u017e\u00edvat verze 6.1.38 s patchemi.\n<li class=\"l\"> V\u00fdvoj byl p\u0159enesen z pou\u017e\u00edv\u00e1n\u00ed syst\u00e9mu kontinu\u00e1ln\u00ed integrace Jenkins na GitHub Actions.      <\/ul>\n<p>Zdroj: <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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