{"id":53857,"date":"2019-12-12T00:00:00","date_gmt":"2019-12-11T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/kubernetes-1-17-kak-obnovitsya-i-ne-potratit-ves-error-budget"},"modified":"2020-02-18T14:01:47","modified_gmt":"2020-02-18T11:01:47","slug":"kubernetes-1-17-kak-obnovitsya-i-ne-potratit-ves-error-budget","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/administrirovanie\/kubernetes-1-17-kak-obnovitsya-i-ne-potratit-ves-error-budget","title":{"rendered":"Kubernetes 1.17 \u2014 kako se nadograditi i ne potro\u0161iti cijeli budget za gre\u0161ke","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Kubernetes 1.17 \u2014 kako se nadograditi i ne potro\u0161iti cijeli budget za gre\u0161ke\" src=\"\/wp-content\/uploads\/2019\/12\/562b966d36dc1c70635605ef89277bc9.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n9. prosinca objavljena je nova verzija Kubernetes-a \u2014 1.17. Njen moto je \"Stabilnost\", a mnoge funkcije su dobile GA status, dok je odre\u0111eni broj zastarjelih funkcija uklonjen...<\/p>\n<p>I, kao i uvijek, na\u0161 omiljeni odjeljak Action Required datoteke <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/kubernetes\/kubernetes\/blob\/master\/CHANGELOG-1.17.md\">CHANGELOG-1.17.md<\/a><\/noindex> pridaje pa\u017enju.<\/p>\n<p>Radimo rukama...<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>Pa\u017enja, Storage!<\/h3>\n<p>\nU verziji 1.17 nije podr\u017eano a\u017euriranje kubelet-a u hodu, jer je put do blok volumena promijenjen. Prije a\u017euriranja \u010dvora, potrebno je evakuirati sve podove koriste\u0107i naredbu <code>kubectl drain<\/code>.<\/p>\n<h4>\u0424\u043b\u0430\u0433\u0438 \u0438 \u0432\u043e\u0440\u043e\u0442\u0430&#8230;<\/h4>\n<p>\n\u0412 changelog \u043e\u0431\u044b\u0447\u043d\u043e \u043f\u0438\u0448\u0443\u0442, \u0447\u0442\u043e \u0431\u044b\u043b \u0443\u0434\u0430\u043b\u0435\u043d \u0438\u043b\u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d \u0442\u0430\u043a\u043e\u0439-\u0442\u043e flag \u0438\u043b\u0438 feature gate, \u043d\u043e \u043f\u043e\u0447\u0435\u043c\u0443-\u0442\u043e \u043d\u0438\u043a\u043e\u0433\u0434\u0430 \u043d\u0435 \u043f\u0438\u0448\u0443\u0442 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435, \u0443 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043f\u0440\u043e\u0438\u0437\u043e\u0448\u043b\u043e \u044d\u0442\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435&#8230;:<\/p>\n<ul>\n<li> Uklonjen je flag <code>--include-uninitialized<\/code> za <code>kubectl<\/code>; <\/li>\n<li> Funkcionalnost koju su dopu\u0161tali feature gate-ovi <code>GCERegionalPersistentDisk<\/code>, <code>EnableAggregatedDiscoveryTimeout<\/code> in <code>PersistentLocalVolumes<\/code>, sada se uvijek koristi i ne mo\u017ee se isklju\u010diti. Ove opcije su uklonjene iz mogu\u0107ih klju\u010deva <code>api-server<\/code> in <code>controller-manager<\/code>; <\/li>\n<li> Mre\u017ea IP adresa za servise sada se ne dodjeljuje po defaultu. Potrebno ju je specificirati pomo\u0107u zastavice <code>--service-cluster-ip-range<\/code> prilikom pokretanja API servera i controller-managera.<\/li>\n<\/ul>\n<p><\/p>\n<h4>kubeadm<\/h4>\n<p><\/p>\n<ul>\n<li> Kubeadm je nau\u010dio konfigurirati automatsko a\u017euriranje certifikata za kubelet na svim \u010dvorovima klastera, uklju\u010duju\u0107i i prvog majstora, gdje je izvr\u0161ena naredba <code>kubeadm init<\/code>. Sporedni efekat je zahtjev za postojanjem datoteke s po\u010detnom konfiguracijom kubelet-a <code>bootstrap-kubelet.conf<\/code> namesto <code>kubelet.conf<\/code> tokom izvo\u0111enja <code>kubeadm init<\/code>;\n<\/li>\n<li> Pri dodavanju re\u017eima autorizacije u API <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/server\/\"   title=\"stre\u017enik\" data-wpil-keyword-link=\"linked\">stre\u017enik<\/a> kubeadm vi\u0161e ne umetne re\u017eime <code>Node, RBAC<\/code> u manifest stati\u010dkog poda, omogu\u0107uju\u0107i potpunu promjenu konfiguracije.<\/li>\n<\/ul>\n<p><\/p>\n<h4>RBAC<\/h4>\n<p>\nUklonjene su ugra\u0111ene klaster re\u017eije <code>system:csi-external-provisioner<\/code> in <code>system:csi-external-attacher<\/code>.<\/p>\n<h4>Deprecated&#8230;<\/h4>\n<p>\nNekaj funkcij je bilo ozna\u010denih za zastarele, vendar se \u0161e vedno podpirajo. \u0160e posebej bi izpostavili prehod na uporabo ContainerStorageInterface. Administratorji, ki so postavili svoje (ne upravljane) klastre v AWS in GCE, morajo na\u010drtovati prehod na uporabo CSI Driver za delo s trajnimi volumni \u2014 namesto gonilnikov, vgrajenih v Kubernetes. Pri tem jim bo pomagala postopek CSIMigration \u2014 pri\u010dakujemo korak-po-korak vodi\u010d. Administratorji, ki uporabljajo druge ponudnike za povezovanje trajnih diskov, morajo za\u010deti iskati in prebrati dokumentacijo: v razli\u010dici 1.21 obljubljajo dokon\u010dno odstranitev vseh vgrajenih gonilnikov.<br \/>\n<br \/>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/479534\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>9 \u0434\u0435\u043a\u0430\u0431\u0440\u044f \u0432\u044b\u0448\u043b\u0430 \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f Kubernetes \u2014 1.17. \u0415\u0435 \u0434\u0435\u0432\u0438\u0437 \u2014 \u00ab\u0421\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u00bb, \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u0444\u0438\u0447 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0438 \u0441\u0442\u0430\u0442\u0443\u0441 GA, \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u0445 \u0444\u0438\u0447 \u0431\u044b\u043b\u043e \u0443\u0434\u0430\u043b\u0435\u043d\u043e\u2026 \u0418, \u043a\u0430\u043a \u0432\u0441\u0435\u0433\u0434\u0430, \u043d\u0430\u0448 \u043b\u044e\u0431\u0438\u043c\u044b\u0439 \u0440\u0430\u0437\u0434\u0435\u043b Action Required \u0444\u0430\u0439\u043b\u0430 CHANGELOG-1.17.md \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u043a \u0441\u0435\u0431\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044f. \u041f\u043e\u0440\u0430\u0431\u043e\u0442\u0430\u0435\u043c \u0440\u0443\u043a\u0430\u043c\u0438\u2026 \u0412\u043d\u0438\u043c\u0430\u043d\u0438\u0435, Storage ! \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 kubelet \u043d\u0430 \u043b\u0435\u0442\u0443 \u0432 \u0432\u0435\u0440\u0441\u0438\u0438 1.17 \u043d\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f, \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u0438\u0437\u043c\u0435\u043d\u0438\u043b\u0441\u044f \u043f\u0443\u0442\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":53858,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-53857","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"9 \u0434\u0435\u043a\u0430\u0431\u0440\u044f \u0432\u044b\u0448\u043b\u0430.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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