{"id":102212,"date":"2021-11-04T21:36:48","date_gmt":"2021-11-04T19:36:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-predstavil-platformu-besservernyh-vychislenij-knative-1-0"},"modified":"2021-11-04T21:36:48","modified_gmt":"2021-11-04T19:36:48","slug":"google-predstavil-platformu-besservernyh-vychislenij-knative-1-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/google-predstavil-platformu-besservernyh-vychislenij-knative-1-0","title":{"rendered":"Google ha presentato la piattaforma di calcolo serverless Knative 1.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>L'azienda Google ha presentato il rilascio stabile della piattaforma Knative 1.0, progettata per creare un'infrastruttura di calcolo serverless, implementabile sopra un sistema di isolamento dei contenitori basato sulla piattaforma Kubernetes. Oltre a Google, nella sviluppo di Knative sono coinvolte anche aziende come IBM, Red Hat, SAP e VMware. Il rilascio di Knative 1.0 ha segnato la stabilizzazione dell'API per lo sviluppo di applicazioni, che da ora in poi non cambier\u00e0 e manterr\u00e0 la retrocompatibilit\u00e0. Il codice del progetto \u00e8 scritto in linguaggio Go ed \u00e8 distribuito con licenza Apache 2.0.      <\/p>\n<p>Il modello di sviluppo delle applicazioni serverless proposto da Knative offre un ulteriore livello di astrazione per i sistemi cloud, consentendo di eseguire funzioni come servizi (FaaS, Functions as a service). La sostanza del modello serverless \u00e8 che lo sviluppatore realizza la logica a livello di singole funzioni, senza preoccuparsi di creare e gestire l'infrastruttura per l'esecuzione delle applicazioni e senza legarsi a specifiche applicazioni server o agli ambienti cloud necessari per il loro funzionamento.     <\/p>\n<p>Lo sviluppo avviene senza creare applicazioni monolitiche, a livello di preparazione di un insieme di piccole funzioni separate, ognuna delle quali gestisce un determinato evento e progettata per lavorare in maniera autonoma senza legami con l'ambiente (stateless, il risultato non dipende dallo stato passato e dal contenuto del FS). Le funzioni vengono eseguite solo al verificarsi di necessit\u00e0 e, dopo la gestione dell'evento, possono immediate cessare il loro funzionamento, quindi, a differenza dei microservizi, non \u00e8 necessario mantenere continuamente attivi ambienti che consumano risorse a vuoto.     <\/p>\n<p>La piattaforma Knative avvia autonomamente i contenitori secondo necessit\u00e0, ospita in essi le funzioni preparate, organizza la gestione e garantisce il ridimensionamento degli ambienti necessari per l'esecuzione di queste funzioni. La piattaforma pu\u00f2 essere implementata sulle proprie infrastrutture senza dipendere da servizi cloud esterni. Per l'esecuzione \u00e8 necessario soltanto Kubernetes. Vengono fornite risorse per il supporto di vari framework standard, inclusi Django, Ruby on Rails e Spring. Per gestire il funzionamento della piattaforma pu\u00f2 essere utilizzata un'interfaccia a riga di comando.    <\/p>\n<p>La piattaforma fornisce due componenti principali:  <\/p>\n<ul>\n<li class=\"l\"> Servire per avviare contenitori serverless in Kubernetes con configurazione automatica della rete, instradamento, monitoraggio delle modifiche (creazione di snapshot del codice distribuito e delle impostazioni) e mantenimento del livello richiesto di scalabilit\u00e0 (fino alla riduzione del numero di pod a zero in assenza di attivit\u00e0). Lo sviluppatore si concentra solo sulla logica, mentre la piattaforma si occupa di tutto ci\u00f2 che riguarda l'esecuzione. Per organizzare l'interazione di rete e l'instradamento delle richieste, possono essere utilizzati sottosistemi di rete come Ambassador, Contour, Kourier, Gloo e Istio. Sono supportati HTTP\/2, gRPC e WebSockets.\n<li class=\"l\"> Eventing \u2014 un sistema universale di iscrizione (attacco di gestori), consegna e gestione degli eventi. Consente di creare applicazioni che lavorano in modo asincrono, collegando le risorse computazionali ai flussi di dati tramite un modello ad oggetti e un meccanismo di elaborazione degli eventi.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56102\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Knative 1.0, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0431\u0435\u0441\u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u0445 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439, \u0440\u0430\u0437\u0432\u0451\u0440\u0442\u044b\u0432\u0430\u0435\u043c\u043e\u0439 \u043f\u043e\u0432\u0435\u0440\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043d\u043e\u0439 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Kubernetes. \u041a\u0440\u043e\u043c\u0435 Google \u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 Knative \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u044e\u0442 \u0443\u0447\u0430\u0441\u0442\u0438\u0435 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a IBM, Red Hat, SAP \u0438 VMware. \u0412\u044b\u043f\u0443\u0441\u043a Knative 1.0 \u043e\u0437\u043d\u0430\u043c\u0435\u043d\u043e\u0432\u0430\u043b \u0441\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u044e API \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0442\u043d\u044b\u043d\u0435 \u043d\u0435 \u0431\u0443\u0434\u0435\u0442 \u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u0438 [&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-102212","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 - aioseo.com -->\n\t<meta name=\"description\" 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