{"id":121869,"date":"2025-02-12T14:22:12","date_gmt":"2025-02-12T12:22:12","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dlya-systemd-razvivaetsya-vozmozhnost-zagruzki-sistemnyh-obrazov-po-http"},"modified":"2025-02-12T14:22:12","modified_gmt":"2025-02-12T12:22:12","slug":"dlya-systemd-razvivaetsya-vozmozhnost-zagruzki-sistemnyh-obrazov-po-http","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/dlya-systemd-razvivaetsya-vozmozhnost-zagruzki-sistemnyh-obrazov-po-http","title":{"rendered":"Dla systemd rozwija si\u0119 mo\u017cliwo\u015b\u0107 \u0142adowania obraz\u00f3w systemowych poprzez HTTP.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Lennart Poettering zaproponowa\u0142 w\u0142\u0105czenie do mened\u017cera systemu systemd zmiany, kt\u00f3ra umo\u017cliwia \u0142adowanie systemu z wykorzystaniem obrazu systemu plik\u00f3w ra\u00edz (root file system), pozyskiwanego z zewn\u0119trznego hosta za po\u015brednictwem protoko\u0142u HTTP. Zmiana polega na rozszerzeniu mo\u017cliwo\u015bci systemd, nie tylko pobierania obrazu dysku przez HTTP na pocz\u0105tkowym etapie \u0142adowania, ale tak\u017ce rozpakowywania pobranego obrazu, \u0142\u0105czenia go z urz\u0105dzeniem blokowym w trybie loopback, montowania urz\u0105dzenia blokowego jako \/sysroot i \u0142adowania systemu z tego urz\u0105dzenia.      <\/p>\n<p>Wsparcie dla pobierania obraz\u00f3w dysk\u00f3w podczas \u0142adowania systemu za pomoc\u0105 systemd-import-generator zosta\u0142o ju\u017c w\u0142\u0105czone w wersji systemd 257. Pozosta\u0142a funkcjonalno\u015b\u0107 nadal znajduje si\u0119 na etapie roboczego prototypu, kt\u00f3ry wymaga poprawek. Obecnie pe\u0142ny cykl \u0142adowania nie jest wspierany, jednak w przysz\u0142o\u015bci planowane jest doprowadzenie funkcjonalno\u015bci do \u0142adowania za po\u015brednictwem UEFI HTTP Boot uniwersalnych obraz\u00f3w j\u0105dra UKI (Unified Kernel Image), kt\u00f3re \u0142\u0105cz\u0105 w jednym pliku bootloader dla UEFI (UEFI boot stub), obraz j\u0105dra Linuksa oraz za\u0142adowane w pami\u0119ci \u015brodowisko systemowe initrd.     <\/p>\n<p>URL do pobrania obrazu systemowego b\u0119dzie obliczany na podstawie URL podanego dla obrazu EFI w ustawieniach UEFI HTTP Boot (na przyk\u0142ad, przy uruchamianiu przez EFI HTTP Boot \u201ehttp:\/\/example.com\/somedir\/myimage.efi\u201d, obecny w UKI initrd-obs\u0142ugiwacz za\u0142aduje obraz rootfs jako \u201ehttp:\/\/example.com\/somedir\/myimage.raw.xz\u201d). W przysz\u0142o\u015bci, opr\u00f3cz HTTP, jako \u015brodek transportu do pobierania obrazu planowane jest dodanie wsparcia dla technologii NVMe-over-TCP, umo\u017cliwiaj\u0105cej dost\u0119p do dysk\u00f3w NVMe przez sie\u0107 (NVM Express over Fabrics), korzystaj\u0105c z protoko\u0142u TCP.      <\/p>\n<p>Zak\u0142ada si\u0119, \u017ce uruchamianie z obraz\u00f3w, pobieranych z zewn\u0119trznego hosta, upro\u015bci organizacj\u0119 testowania nowoczesnych system\u00f3w operacyjnych \u201eimmutable\u201d na rzeczywistym sprz\u0119cie. Programista mo\u017ce na swoim komputerze stworzy\u0107 obraz ze \u015brodowiskiem systemowym za pomoc\u0105 narz\u0119dzia mkosi i udost\u0119pni\u0107 go przez HTTP poleceniem \u201emkosi -f serve\u201d. Na komputerze, na kt\u00f3rym ma by\u0107 testowana praca systemu, wystarczy w\u0142\u0105czy\u0107 w EFI uruchamianie przez HTTP i doda\u0107 URL pobieranego obrazu poleceniem: kernel-bootcfg \u2014add-uri=http:\/\/192.168.47.11:8081\/image.efi \u2014title=testloop \u2014boot-order=0      <\/p>\n<p>Nast\u0119pnie mo\u017cna po prostu ponownie uruchomi\u0107 komputer, a system za\u0142aduje standardowy obraz j\u0105dra UKI, kt\u00f3ry nast\u0119pnie za\u0142aduje przygotowany przez dewelopera obraz dysku z systemem plik\u00f3w root. Przed wy\u0142\u0105czeniem w EFI \u0142adowania przez HTTP ka\u017cde kolejne uruchomienie komputera spowoduje za\u0142adunek \u015bwie\u017cego obrazu systemowego. W trakcie tego testowania lokalne dyski nie s\u0105 w \u017caden spos\u00f3b wykorzystywane.<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62711\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041b\u0435\u043d\u043d\u0430\u0440\u0442 \u041f\u043e\u0442\u0442\u0435\u0440\u0438\u043d\u0433 (Lennart Poettering) \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0439 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 systemd \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043e\u0431\u0440\u0430\u0437\u0430 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0439 \u0424\u0421, \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c\u043e\u0433\u043e c \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u0445\u043e\u0441\u0442\u0430 \u043f\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0443 HTTP. \u0418\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0441\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u043a \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044e systemd \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u043a\u0430\u0447\u0438\u0432\u0430\u0442\u044c \u0434\u0438\u0441\u043a\u043e\u0432\u044b\u0439 \u043e\u0431\u0440\u0430\u0437 \u043f\u043e HTTP \u043d\u0430 \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0442\u0430\u0434\u0438\u0438 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438, \u043d\u043e \u0438 \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u044b\u0432\u0430\u0442\u044c \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0439 \u043e\u0431\u0440\u0430\u0437, \u0441\u0432\u044f\u0437\u044b\u0432\u0430\u0442\u044c \u0441 \u0431\u043b\u043e\u0447\u043d\u044b\u043c \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e\u043c \u0432 loopback-\u0440\u0435\u0436\u0438\u043c\u0435, \u043c\u043e\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-121869","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - 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HTTP.","canonical_url":"https:\/\/prohoster.info\/pl\/blog\/news\/dlya-systemd-razvivaetsya-vozmozhnost-zagruzki-sistemnyh-obrazov-po-http","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pl_PL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0414\u043b\u044f systemd \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u043e\u0431\u0440\u0430\u0437\u043e\u0432 \u043f\u043e HTTP | 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