{"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\/sk\/blog\/news\/predstavlen-pervyj-predvaritelnyj-vypusk-fedora-coreos","title":{"rendered":"Predstaven\u00e1 prv\u00e1 predbe\u017en\u00e1 verzia Fedora CoreOS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u00fdvoj\u00e1ri projektu Fedora ozn\u00e1mili<\/a><\/noindex> o za\u010diatku testovania<\/a><\/noindex> prvej predbe\u017enej verzie nov\u00e9ho vydania distrib\u00facie Fedora CoreOS<\/a><\/noindex>, ktor\u00e1 nahradila produkty Fedora Atomic Host a CoreOS Container Linux ako jednotn\u00e9 rie\u0161enie na sp\u00fa\u0161\u0165anie prostred\u00ed zalo\u017een\u00fdch na izolovan\u00fdch kontajneroch.<\/p>\n

Z CoreOS Container Linux, ktor\u00fd prech\u00e1dza<\/a><\/noindex> sa dostal do r\u00fak Red Hat po akviz\u00edcii spolo\u010dnosti CoreOS, sa do Fedora CoreOS preniesli n\u00e1stroje na nasadenie (syst\u00e9m konfigur\u00e1cie pri po\u010diato\u010dnom spusten\u00ed Ignition), mechanizmus atom\u00e1rnych aktualiz\u00e1ci\u00ed a celkov\u00e1 filozofia produktu. Z Atomic Host sa preniesli technol\u00f3gie pr\u00e1ce s bal\u00edkmi, podpora \u0161pecifik\u00e1ci\u00ed OCI (Open Container Initiative) a \u010fal\u0161ie mechanizmy izol\u00e1cie kontajnerov zalo\u017een\u00e9 na SELinux. Obsah Fedora CoreOS sa formuje na z\u00e1klade repozit\u00e1rov Fedora s pou\u017eit\u00edm rpm-ostree. Ako podporovan\u00e9 runtime pre kontajnery v Fedora CoreOS s\u00fa vyhl\u00e1sen\u00e9 Moby (Docker) a podman. Pre orchestr\u00e1ciu kontajnerov na vrchu Fedora CoreOS sa pl\u00e1nuje poskytn\u00fa\u0165 podpora Kubernetes. <\/p>\n

Projekt je zameran\u00fd na poskytovanie minim\u00e1lneho prostredia, automaticky aktualizovate\u013en\u00e9ho bez \u00fa\u010dasti administr\u00e1tora a zjednoten\u00e9ho pre masov\u00e9 nasadenie serverov\u00fdch syst\u00e9mov, ur\u010den\u00fdch v\u00fdlu\u010dne na sp\u00fa\u0161\u0165anie kontajnerov. Fedora CoreOS obsahuje iba minim\u00e1lnu sadu komponentov, dostato\u010dn\u00fdch na vykon\u00e1vanie izolovan\u00fdch kontajnerov \u2014 jadro Linux, syst\u00e9mov\u00fd mana\u017e\u00e9r systemd a s\u00fabor pomocn\u00fdch slu\u017eieb pre pripojenie cez SSH, spr\u00e1vu konfigur\u00e1cie a in\u0161tal\u00e1ciu aktualiz\u00e1ci\u00ed. <\/p>\n

Syst\u00e9mov\u00fd oddiel je pripojen\u00fd v re\u017eime len na \u010d\u00edtanie a nie je menen\u00fd po\u010das prev\u00e1dzky. Konfigur\u00e1cia<\/a><\/noindex> sa pren\u00e1\u0161a po\u010das spustenia pomocou n\u00e1strojov Ignition (alternat\u00edva Cloud-Init).
\nPo tom, \u010do je syst\u00e9m spusten\u00fd, nie je mo\u017en\u00e9 zmeni\u0165 konfigur\u00e1ciu a obsah adres\u00e1ra \/etc, povolen\u00e9 je len zmeni\u0165 profil nastaven\u00ed a pou\u017ei\u0165 ho na nahradenie prostredia. Vo v\u0161eobecnosti tak pr\u00e1ca so syst\u00e9mom pripom\u00edna pr\u00e1cu s obrazmi kontajnerov, ktor\u00e9 sa neaktualizuj\u00fa na mieste, ale prestavaj\u00fa z nuly a sp\u00fa\u0161\u0165aj\u00fa sa znova.<\/p>\n

Syst\u00e9mov\u00fd obraz nie je delite\u013en\u00fd a vytv\u00e1ra sa pomocou technol\u00f3gie OSTree (samostatn\u00e9 bal\u00ed\u010dky nie je mo\u017en\u00e9 v takomto prostred\u00ed nain\u0161talova\u0165, je mo\u017en\u00e9 iba prebudova\u0165 cel\u00fd obraz syst\u00e9mu, roz\u0161\u00edri\u0165 ho o nov\u00e9 bal\u00ed\u010dky pomocou n\u00e1stroja rpm-ostree). Syst\u00e9m aktualiz\u00e1ci\u00ed je zalo\u017een\u00fd na pou\u017e\u00edvan\u00ed dvoch syst\u00e9mov\u00fdch oddielov, z ktor\u00fdch jeden je akt\u00edvny a druh\u00fd sa pou\u017e\u00edva na kop\u00edrovanie aktualiz\u00e1cie; po nain\u0161talovan\u00ed aktualiz\u00e1cie sa oddiely menia rolami. <\/p>\n

Pon\u00fakaj\u00fa sa tri nez\u00e1visl\u00e9 vetvy Fedora CoreOS:
\n testing so snapshotmi na z\u00e1klade aktu\u00e1lnej verzie Fedory s aktualiz\u00e1ciami; stable \u2014 stabilizovan\u00e1 vetva, tvor\u00ed sa po dvoch t\u00fd\u017ed\u0148och testovania vetvy testing; next \u2014 snapshot vyv\u00edjaj\u00facej sa bud\u00facej verzie. Pre v\u0161etky tri vetvy sa vytv\u00e1raj\u00fa aktualiz\u00e1cie na odstr\u00e1nenie zranite\u013enost\u00ed a z\u00e1va\u017en\u00fdch ch\u00fdb. V aktu\u00e1lnej f\u00e1ze v\u00fdvoja v r\u00e1mci predbe\u017en\u00e9ho vydania sa zatia\u013e vytv\u00e1ra len vetva testing. Prv\u00e9 stabiln\u00e9 vydanie je pl\u00e1novan\u00e9 na uvo\u013enenie za 6 mesiacov. Podpora distrib\u00facie CoreOS Container Linux sa ukon\u010d\u00ed 6 mesiacov po stabiliz\u00e1cii Fedora CoreOS, a ukon\u010denie podpory Fedora Atomic Host sa o\u010dak\u00e1va na konci novembra.<\/p>\n

Po stabiliz\u00e1cii projektu bude predvolene zapnut\u00e9 odosielanie telemetrie (v predbe\u017enej verzii je telemetria zatia\u013e neakt\u00edvna) s pou\u017eit\u00edm slu\u017eby fedora-coreos-pinger, ktor\u00e1 pravidelne zhroma\u017e\u010fuje a posiela na servery projektu Fedora idenfitika\u010dn\u00e9 inform\u00e1cie o syst\u00e9me, ako \u010d\u00edslo verzie OS, cloudov\u00e1 platforma a typ in\u0161tal\u00e1cie. Medzi pren\u00e1\u0161an\u00fdmi \u00fadajmi nie s\u00fa inform\u00e1cie, ktor\u00e9 by mohli vies\u0165 k identifik\u00e1cii. Pri anal\u00fdze \u0161tatistiky sa pou\u017e\u00edvaj\u00fa iba agregovan\u00e9 \u00fadaje, ktor\u00e9 umo\u017e\u0148uj\u00fa v obecn\u00fdch term\u00ednoch us\u00fadi\u0165 o charaktere pou\u017e\u00edvania Fedora CoreOS. Ak si to pou\u017e\u00edvate\u013e \u017eel\u00e1, m\u00f4\u017ee vypn\u00fa\u0165 odosielanie telemetrie alebo roz\u0161\u00edri\u0165 predvolen\u00e9 pren\u00e1\u0161an\u00e9 \u00fadaje.<\/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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