{"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\/it\/blog\/news\/inicziativa-po-pererabotke-instrumentariya-dlya-gipervizora-xen-na-yazyke-rust","title":{"rendered":"Iniziativa per la revisione degli strumenti per l'hypervisor Xen in Rust","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Gli sviluppatori della piattaforma XCP-ng, che \u00e8 sviluppata sotto l'egida del progetto Xen, hanno pubblicato un piano per la creazione in Rust di sostituti per vari componenti dello stack software di Xen. Attualmente non prevedono di riprogettare direttamente il hypervisor Xen; il lavoro \u00e8 principalmente focalizzato sulla riscrittura di singoli componenti degli strumenti. <\/p>\n

Attualmente, la piattaforma utilizza componenti scritti in C, Python, OCaml e Go, alcuni dei quali sono obsoleti e creano problemi di manutenzione. Si sottolinea che l'uso di Rust non comporter\u00e0 un aumento complessivo nel numero di linguaggi utilizzati, dato che in Go \u00e8 implementato solo un componente, che si prevede di sostituire per primo. <\/p>\n

Il linguaggio Rust \u00e8 stato scelto per la sua capacit\u00e0 di combinare alte prestazioni del codice risultante con possibilit\u00e0 di gestione della memoria sicura, senza l'uso di garbage collector, rendendolo adatto allo sviluppo di componenti sia a basso che ad alto livello, fornendo opportunit\u00e0 aggiuntive per ridurre potenziali errori, come il controllo del prestito delle variabili (borrow checker). Rust \u00e8 anche pi\u00f9 diffuso rispetto al linguaggio OCaml attualmente utilizzato in XAPI, il che faciliter\u00e0 attrarre nuovi sviluppatori al progetto. <\/p>\n

Nella prima fase, si prevede di sviluppare una sostituzione per diversi componenti, per testare i processi e preparare la base per la sostituzione di altre parti dello stack software. In particolare, per prima cosa gli strumenti per Linux guest tools, attualmente scritti in Go, saranno riscritti in Rust, e il processo in background per la raccolta delle metriche, attualmente scritto in OCaml. <\/p>\n

La necessit\u00e0 di riprogettare i Linux guest tools (xe-guest-utilities) \u00e8 emersa a causa di problemi con la qualit\u00e0 del codice e dello sviluppo al di fuori del progetto Xen Project sotto la supervisione di Cloud Software Group, il che complica la formazione dei pacchetti e l'influenza della comunit\u00e0 sullo sviluppo. Si prevede di creare una nuova versione degli strumenti (xen-guest-agent) completamente da zero, semplificandola il pi\u00f9 possibile e separando la logica dell'agente dalle librerie. Il processo in background per la raccolta delle metriche (rrdd) verr\u00e0 riprogettato poich\u00e9 \u00e8 compatto e isolato, facilitando esperimenti sull'uso del nuovo linguaggio nello sviluppo. <\/p>\n

L'anno prossimo potrebbe iniziare il lavoro per lo sviluppo in Rust del componente xenopsd-ng, che consentir\u00e0 di ottimizzare l'architettura dello stack software. L'idea principale \u00e8 quella di centralizzare in un unico componente il lavoro con l'API a basso livello e organizzare la fornitura di tutte le API ad alto livello agli altri componenti dello stack. <\/p>\n

L'attuale architettura dello stack Xen:

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

L'architettura proposta dello stack Xen basata su xenopsd-ng:

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

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