{"id":107333,"date":"2023-03-18T12:48:09","date_gmt":"2023-03-18T10:48:11","guid":{"rendered":"https:\/\/prohoster.info\/?p=107333"},"modified":"2023-03-20T11:22:13","modified_gmt":"2023-03-20T09:22:13","slug":"inicziativa-po-pererabotke-instrumentariya-dlya-gipervizora-xen-na-yazyke-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/inicziativa-po-pererabotke-instrumentariya-dlya-gipervizora-xen-na-yazyke-rust","title":{"rendered":"Xeni h\u00fcperviisori t\u00f6\u00f6riistade \u00fcmberehitamise algatus Rusti keeles","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

XCP-ng platvormi arendajad, kes t\u00f6\u00f6tavad Xen projekti all, on avaldanud plaani luua Rusti keeles asendusi erinevatele Xen tarkvarakihi komponentidele. Praegusel hetkel ei kavatse nad Xen h\u00fcperviisorit \u00fcmber teha, kuna t\u00f6\u00f6 keskendub peamiselt \u00fcksikute t\u00f6\u00f6riistade komponentide \u00fcmberkirjutamisele. <\/p>\n

Praegu kasutab platvorm komponente keeltes C, Python, OCaml ja Go, millest m\u00f5ned on vananenud ja tekitavad hooldamisel probleeme. On m\u00e4rgitud, et Rusti rakendamine ei suurenda keelte arvu, kuna Go-s on realiseeritud ainult \u00fcks komponent, mille asendamine on plaanis esimesena. <\/p>\n

Rust keel on valitud, kuna see \u00fchendab k\u00f5rge j\u00f5udluse genereeritud koodi ja turvalise m\u00e4lu haldamise v\u00f5imalused, ilma et oleks vaja pr\u00fcgikoristajat. See sobib nii madala kui ka k\u00f5rge taseme komponentide arendamiseks ning pakub t\u00e4iendavaid v\u00f5imalusi potentsiaalsete vigade v\u00e4hendamiseks, nagu n\u00e4iteks muutujate laenamise kontroll (borrow checker). Rust on ka laiemalt levinud kui praegu XAPI-s kasutatav OCaml keel, mis lihtsustab uute arendajate kaasamist projekti. <\/p>\n

Esimeses etapis on plaanis v\u00e4lja t\u00f6\u00f6tada asendused mitmele komponendile, et katsetada protsesse ja valmistada ette alus teiste tarkvarakihi osade asendamiseks. Eelk\u00f5ige kirjutatakse Rusti keeles \u00fcmber Linuxi k\u00fclalisriistade t\u00f6\u00f6riistakomplekt, mille jaoks praegu kasutatakse Go keelt, ja taustaprotsess metrikate kogumiseks, mis on kirjutatud OCaml keeles. <\/p>\n

Linuxi k\u00fclalisriistade (xe-guest-utilities) \u00fcmberkirjutamise vajadus tuleneb koodikvaliteedi probleemidest ja arengust, mis toimub v\u00e4ljaspool Xen projekti Cloud Software Groupi kontrolli all, mis t\u00f5kestab pakettide loomist ja kogukonna m\u00f5ju arendusele. Uut t\u00f6\u00f6riistakomplekti (xen-guest-agent) plaanitakse luua t\u00e4iesti nullist, tehes selle v\u00f5imalikult lihtsaks ja eraldades agendi loogika teekidest. Metrikate kogumise taustaprotsessi (rrdd) on otsustatud \u00fcmber kirjutada, kuna see on kompaktne ja eraldiseisev, mis lihtsustab katsetusi uue keele kasutamisega arenduses. <\/p>\n

J\u00e4rgmise aasta jooksul on v\u00f5imalik alustada xenopsd-ng komponendi arendamist Rusti keeles, mis v\u00f5imaldab optimeerida tarkvarakihi arhitektuuri. Peamine idee on koondada k\u00f5igi madala taseme API-de kasutamine \u00fchte komponenti ja korraldada selle kaudu k\u00f5igi k\u00f5rge taseme API-de pakkumine \u00fclej\u00e4\u00e4nud tarkvarakihtidele. <\/p>\n

Praegune Xen'i tarkvarakihti arhitektuur:

\"Xeni<\/center> <\/p>\n

Pakkutud Xen'i tarkvarakihti arhitektuur xenopsd-ng p\u00f5hjal:

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

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