{"id":36461,"date":"2019-10-31T22:11:45","date_gmt":"2019-10-31T19:11:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/predstavlen-pervyj-predvaritelnyj-vypusk-fedora-coreos\/"},"modified":"2019-10-31T22:11:45","modified_gmt":"2019-10-31T19:11:45","slug":"predstavlen-pervyj-predvaritelnyj-vypusk-fedora-coreos","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/predstavlen-pervyj-predvaritelnyj-vypusk-fedora-coreos","title":{"rendered":"Byla p\u0159edstavena prvn\u00ed p\u0159edb\u011b\u017en\u00e1 verze Fedora CoreOS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u00fdvoj\u00e1\u0159i projektu Fedora ozn\u00e1mili<\/a><\/noindex> o zah\u00e1jen\u00ed testov\u00e1n\u00ed<\/a><\/noindex> prvn\u00ed p\u0159edb\u011b\u017en\u00e9 verze nov\u00e9ho vyd\u00e1n\u00ed distribuce Fedora CoreOS<\/a><\/noindex>, kter\u00e1 nahradila produkty Fedora Atomic Host a CoreOS Container Linux jako jednotn\u00e9 \u0159e\u0161en\u00ed pro spu\u0161t\u011bn\u00ed prost\u0159ed\u00ed zalo\u017een\u00fdch na izolovan\u00fdch kontejnerech.<\/p>\n

Z CoreOS Container Linux, kter\u00fd p\u0159e\u0161el<\/a><\/noindex> p\u0159e\u0161el pod Red Hat po akvizici spole\u010dnosti CoreOS, byly do Fedora CoreOS p\u0159evedeny n\u00e1stroje pro nasazen\u00ed (syst\u00e9m konfigurace b\u011bhem po\u010d\u00e1te\u010dn\u00edho spu\u0161t\u011bn\u00ed Ignition), mechanizmus atomov\u00fdch aktualizac\u00ed a celkov\u00e1 filozofie produktu. Z Atomic Host byly p\u0159evedeny technologie pr\u00e1ce s bal\u00ed\u010dky, podpora specifikac\u00ed OCI (Open Container Initiative) a dal\u0161\u00ed mechanismy izolace kontejner\u016f na z\u00e1klad\u011b SELinux. Sou\u010d\u00e1st Fedora CoreOS je tvo\u0159ena na z\u00e1klad\u011b repozit\u00e1\u0159\u016f Fedora s vyu\u017eit\u00edm rpm-ostree. Jako podporovan\u00e9 runtime pro kontejnery v Fedora CoreOS jsou uvedeny Moby (Docker) a podman. Pro orchestraci kontejner\u016f nad Fedora CoreOS se pl\u00e1nuje zaji\u0161t\u011bn\u00ed podpory Kubernetes. <\/p>\n

Projekt je zam\u011b\u0159en na poskytov\u00e1n\u00ed minim\u00e1ln\u00edho prost\u0159ed\u00ed, atom\u00e1rn\u011b aktualizovan\u00e9ho automaticky bez zapojen\u00ed spr\u00e1vce a unifikovan\u00e9ho pro masov\u00e9 nasazen\u00ed serverov\u00fdch syst\u00e9m\u016f, ur\u010den\u00fdch v\u00fdhradn\u011b pro spu\u0161t\u011bn\u00ed kontejner\u016f. Fedora CoreOS obsahuje pouze minim\u00e1ln\u00ed sadu komponent, dostate\u010dnou pro vykon\u00e1v\u00e1n\u00ed izolovan\u00fdch kontejner\u016f \u2014 j\u00e1dro Linux, syst\u00e9mov\u00fd spr\u00e1vce systemd a sadu slu\u017eeb pro p\u0159ipojen\u00ed p\u0159es SSH, spr\u00e1vu konfigurace a instalaci aktualizac\u00ed. <\/p>\n

Syst\u00e9mov\u00fd odd\u00edl je p\u0159ipojen v re\u017eimu pouze pro \u010dten\u00ed a nen\u00ed m\u011bn\u011bn b\u011bhem provozu. Konfigurace<\/a><\/noindex> je p\u0159ed\u00e1v\u00e1na b\u011bhem spu\u0161t\u011bn\u00ed pomoc\u00ed n\u00e1stroj\u016f Ignition (alternativa Cloud-Init).
\nJakmile je syst\u00e9m spu\u0161t\u011bn, zm\u011bna konfigurace a obsahu adres\u00e1\u0159e \/etc nen\u00ed mo\u017en\u00e1, pouze je mo\u017en\u00e9 zm\u011bnit profil nastaven\u00ed a pou\u017e\u00edt jej k v\u00fdm\u011bn\u011b prost\u0159ed\u00ed. V obecn\u00e9m pojet\u00ed pr\u00e1ce se syst\u00e9mem p\u0159ipom\u00edn\u00e1 pr\u00e1ci s obrazy kontejner\u016f, kter\u00e9 nejsou aktualizov\u00e1ny na m\u00edst\u011b, ale p\u0159estavov\u00e1ny od nuly a znovu spu\u0161t\u011bny.<\/p>\n

Syst\u00e9mov\u00fd obraz nen\u00ed d\u011bliteln\u00fd a formuje se pomoc\u00ed technologie OSTree (jednotliv\u00e9 bal\u00ed\u010dky nelze nainstalovat v takov\u00e9m prost\u0159ed\u00ed, lze pouze p\u0159estav\u011bt cel\u00fd syst\u00e9mov\u00fd obraz, roz\u0161\u00ed\u0159it ho nov\u00fdmi bal\u00ed\u010dky pomoc\u00ed n\u00e1stroje rpm-ostree). Syst\u00e9m aktualizac\u00ed je zalo\u017een na pou\u017eit\u00ed dvou syst\u00e9mov\u00fdch odd\u00edl\u016f, z nich\u017e jeden je aktivn\u00ed a druh\u00fd se pou\u017e\u00edv\u00e1 pro kop\u00edrov\u00e1n\u00ed aktualizac\u00ed; po instalaci aktualizace se odd\u00edly m\u011bn\u00ed rol\u00ed. <\/p>\n

Jsou nab\u00edzeny t\u0159i nez\u00e1visl\u00e9 v\u011btve Fedora CoreOS:
\n testing se snapshoty na z\u00e1klad\u011b aktu\u00e1ln\u00edho vyd\u00e1n\u00ed Fedora s aktualizacemi; stable \u2014 stabilizovan\u00e1 v\u011btev, tvo\u0159en\u00e1 po dvou t\u00fddnech testov\u00e1n\u00ed v\u011btve testing; next \u2014 snapshot aktu\u00e1ln\u011b vyv\u00edjen\u00e9ho budouc\u00edho vyd\u00e1n\u00ed. Pro v\u0161echny t\u0159i v\u011btve jsou vytv\u00e1\u0159eny aktualizace odstran\u011bn\u00ed zranitelnost\u00ed a z\u00e1va\u017en\u00fdch chyb. V aktu\u00e1ln\u00ed f\u00e1zi v\u00fdvoje v r\u00e1mci p\u0159edb\u011b\u017en\u00e9ho vyd\u00e1n\u00ed je zat\u00edm vytv\u00e1\u0159ena pouze v\u011btev testing. Prvn\u00ed stabiln\u00ed vyd\u00e1n\u00ed je pl\u00e1nov\u00e1no k vyd\u00e1n\u00ed za 6 m\u011bs\u00edc\u016f. Podpora distribuce CoreOS Container Linux bude ukon\u010dena 6 m\u011bs\u00edc\u016f po stabilizaci Fedora CoreOS, a ukon\u010den\u00ed podpory Fedora Atomic Host se o\u010dek\u00e1v\u00e1 na konci listopadu.<\/p>\n

Po stabilizaci projektu bude ve v\u00fdchoz\u00edm nastaven\u00ed povoleno odes\u00edl\u00e1n\u00ed telemetrie (v p\u0159edb\u011b\u017en\u00e9 verzi je telemetrie zat\u00edm neaktivn\u00ed) pomoc\u00ed slu\u017eby fedora-coreos-pinger, kter\u00e1 pravideln\u011b shroma\u017e\u010fuje a odes\u00edl\u00e1 na servery projektu Fedora neidentifika\u010dn\u00ed informace o syst\u00e9mu, jako je \u010d\u00edslo verze OS, cloudov\u00e1 platforma a typ instalace. Mezi p\u0159ed\u00e1van\u00fdmi daty nejsou \u017e\u00e1dn\u00e9 informace, kter\u00e9 by mohly v\u00e9st k identifikaci. P\u0159i anal\u00fdze statistik se pou\u017e\u00edvaj\u00ed pouze agregovan\u00e9 \u00fadaje, kter\u00e9 umo\u017e\u0148uj\u00ed posoudit charakter pou\u017e\u00edv\u00e1n\u00ed Fedora CoreOS v obecn\u00e9 podob\u011b. Pokud si to u\u017eivatel p\u0159eje, m\u016f\u017ee vypnout odes\u00edl\u00e1n\u00ed telemetrie nebo roz\u0161\u00ed\u0159it v\u00fdchoz\u00ed p\u0159ed\u00e1van\u00e9 informace.<\/p>\n

<\/a><\/noindex><\/p>\n

Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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