{"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\/ro\/blog\/news\/google-predstavil-platformu-besservernyh-vychislenij-knative-1-0","title":{"rendered":"Google a lansat platforma de calcul serverless Knative 1.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Compania Google a lansat versiunea stabil\u0103 a platformei Knative 1.0, destinat\u0103 cre\u0103rii unei infrastructuri de calcul f\u0103r\u0103 server, desf\u0103\u0219urat\u0103 pe un sistem de izolare a containerelor bazat pe platforma Kubernetes. Pe l\u00e2ng\u0103 Google, la dezvoltarea Knative particip\u0103 \u0219i companii precum IBM, Red Hat, SAP \u0219i VMware. Lansarea Knative 1.0 a marcat stabilizarea API-ului pentru dezvoltarea aplica\u021biilor, care nu se va schimba \u0219i va men\u021bine compatibilitatea \u00eenapoi. Codul proiectului este scris \u00een limbajul Go \u0219i este distribuit sub licen\u021ba Apache 2.0.      <\/p>\n<p>Modelul f\u0103r\u0103 server de dezvoltare a aplica\u021biilor oferit de Knative ofer\u0103 un nivel suplimentar de abstractizare pentru sistemele de cloud, permi\u021b\u00e2nd executarea func\u021biilor ca servicii (FaaS, Functions as a service). Esen\u021ba modelului f\u0103r\u0103 server este c\u0103 dezvoltatorul implementeaz\u0103 logica la nivelul func\u021biilor individuale, f\u0103r\u0103 a se preocupa de crearea \u0219i gestionarea infrastructurii pentru rularea aplica\u021biilor, \u0219i f\u0103r\u0103 a fi legat de aplica\u021bii server specifice \u0219i de mediile cloud necesare pentru func\u021bionarea acestora.     <\/p>\n<p>Dezvoltarea se face f\u0103r\u0103 crearea de aplica\u021bii monolitice, la nivelul preg\u0103tirii unui set de func\u021bii separate, fiecare dintre acestea asigur\u00e2nd prelucrarea unui anumit eveniment \u0219i fiind conceput\u0103 pentru a lucra \u00een mod izolat, f\u0103r\u0103 a fi legat\u0103 de mediu (stateless, rezultatul nu depinde de starea trecut\u0103 \u0219i de con\u021binutul sistemului de fi\u0219iere). Func\u021biile sunt declan\u0219ate doar atunci c\u00e2nd este necesar \u0219i, dup\u0103 prelucrarea evenimentului, pot s\u0103 \u00ee\u0219i \u00eencheie imediat activitatea, adic\u0103, spre deosebire de microservicii, nu este necesar\u0103 men\u021binerea constant\u0103 a mediilor deschise care consum\u0103 resurse \u00een mod inactiv.     <\/p>\n<p>Platforma Knative porne\u0219te automat containerele pe m\u0103sur\u0103 ce este necesar, plaseaz\u0103 \u00een acestea func\u021biile preg\u0103tite, organizeaz\u0103 gestionarea \u0219i asigur\u0103 scalarea mediilor necesare pentru executarea acestor func\u021bii. Platforma poate fi desf\u0103\u0219urat\u0103 pe infrastructura proprie, f\u0103r\u0103 a fi legat\u0103 de servicii externe de cloud. Pentru rulare este necesar doar Kubernetes. Sunt furnizate instrumente pentru suportul diferitelor framework-uri standard, inclusiv Django, Ruby on Rails \u0219i Spring. Pentru gestionarea execu\u021biei platformei poate fi utilizat un interfa\u021b\u0103 de linie de comand\u0103.    <\/p>\n<p>Platforma ofer\u0103 dou\u0103 componente principale:  <\/p>\n<ul>\n<li class=\"l\"> Serviciul pentru rularea containerelor f\u0103r\u0103 server \u00een Kubernetes, cu configurare automat\u0103 a interac\u021biunii de re\u021bea, rutare, urm\u0103rirea modific\u0103rilor (crearea de instantanee ale codului \u0219i set\u0103rilor) \u0219i men\u021binerea nivelului dorit de scalabilitate (inclusiv reducerea num\u0103rului de pod-uri la zero \u00een absen\u021ba activit\u0103\u021bii). Dezvoltatorul se concentreaz\u0103 doar pe logic\u0103, tot ce \u021bine de execu\u021bie este gestionat de platform\u0103. Pentru organizarea interac\u021biunii de re\u021bea \u0219i rutarea cererilor, se pot utiliza subsisteme de re\u021bea precum Ambassador, Contour, Kourier, Gloo \u0219i Istio. Exist\u0103 suport pentru HTTP\/2, gRPC \u0219i WebSockets.\n<li class=\"l\"> Eventing \u2014 un sistem universal de abonare (atasare de handleri), livrare \u0219i gestionare a evenimentelor. Permite crearea de aplica\u021bii care func\u021bioneaz\u0103 asincron, ata\u0219\u00e2nd resurse computa\u021bionale la fluxurile de date prin intermediul unui model obiect \u0219i a unui mecanism de procesare a evenimentelor.    <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56102\">opennet.ro<\/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 5.0.2.1 - aioseo.com -->\n\t<meta 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