{"id":35226,"date":"2019-10-31T22:03:05","date_gmt":"2019-10-31T19:03:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/gotovit-kubernetes-klaster-prosto-i-udobno-anonsiruem-addon-operator\/"},"modified":"2019-10-31T22:03:05","modified_gmt":"2019-10-31T19:03:05","slug":"gotovit-kubernetes-klaster-prosto-i-udobno-anonsiruem-addon-operator","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/gotovit-kubernetes-klaster-prosto-i-udobno-anonsiruem-addon-operator","title":{"rendered":"P\u0159\u00edprava Kubernetes clusteru je jednoduch\u00e1 a pohodln\u00e1? Annonce addon-operator","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"P\u0159\u00edprava Kubernetes clusteru je jednoduch\u00e1 a pohodln\u00e1? Annonce addon-operator\" src=\"\/wp-content\/uploads\/8df3959f765d5d1bc8d427d3258aacc4.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nN\u00e1sleduj\u00edc\u00ed <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/447442\/\">shell-operator<\/a><\/noindex> p\u0159edstavujeme jeho star\u0161\u00ed verzi \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/flant\/addon-operator\">addon-operator<\/a><\/noindex>. Jedn\u00e1 se o open source projekt, kter\u00fd se pou\u017e\u00edv\u00e1 k instalaci syst\u00e9mov\u00fdch komponent v clusterech Kubernetes, kter\u00e9 lze shrom\u00e1\u017edit pod spole\u010dn\u00fdm n\u00e1zvem \u2014 dopl\u0148ky.<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Pro\u010d v\u016fbec n\u011bjak\u00e9 dopl\u0148ky?<\/h2>\n<p>\nNen\u00ed tajemstv\u00edm, \u017ee Kubernetes nen\u00ed hotov\u00fd produkt v\u0161e v jednom, a pro vybudov\u00e1n\u00ed \"dosp\u011bl\u00e9ho\" clustera jsou pot\u0159eba r\u016fzn\u00e9 dopl\u0148ky. Addon-operator pom\u016f\u017ee nainstalovat, nakonfigurovat a udr\u017eovat tyto dopl\u0148ky aktu\u00e1ln\u00ed.<\/p>\n<p>Pot\u0159eba dodate\u010dn\u00fdch komponent v clusterech je vysv\u011btlena v <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/449096\/\">v p\u0159edn\u00e1\u0161ce<\/a><\/noindex> kolegov\u00e9 <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/driusha\/\" class=\"user_link\">driusha<\/a><\/noindex>. Stru\u010dn\u011b \u0159e\u010deno, sou\u010dasn\u00e1 situace s Kubernetes je takov\u00e1, \u017ee pro jednoduchou instalaci \"na hran\u00ed\" lze pou\u017e\u00edt komponenty z krabice, pro v\u00fdvoj a testov\u00e1n\u00ed lze p\u0159idat Ingress, ale pro plnohodnotnou instalaci, o kter\u00e9 m\u016f\u017eeme \u0159\u00edci \"v\u00e1\u0161 production je p\u0159ipraven\", je pot\u0159eba p\u0159idat n\u011bkolik r\u016fzn\u00fdch dopl\u0148k\u016f: n\u011bco pro monitoring, n\u011bco pro logy, nezapomenout na ingress a cert-manager, vy\u010dlenit skupiny uzl\u016f, p\u0159idat s\u00ed\u0165ov\u00e9 politiky, oko\u0159enit nastaven\u00edmi sysctl a pod autoscalerem...<\/p>\n<p><img decoding=\"async\" alt=\"P\u0159\u00edprava Kubernetes clusteru je jednoduch\u00e1 a pohodln\u00e1? Annonce addon-operator\" src=\"\/wp-content\/uploads\/ab3bed8ee8b29d4e51905e45c908f078.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Jak\u00e1 je specifika pr\u00e1ce s nimi?<\/h2>\n<p>\nJak ukazuje praxe, jednou instalac\u00ed pr\u00e1ce nekon\u010d\u00ed. Pro pohodlnou pr\u00e1ci s clusterem bude t\u0159eba dopl\u0148ky aktualizovat, vyp\u00ednat (odstra\u0148ovat z clusteru), a n\u011bco bude cht\u00edt vyzkou\u0161et p\u0159ed instalac\u00ed do production clusteru.<\/p>\n<p>Tak\u017ee, mo\u017en\u00e1 sta\u010d\u00ed Ansible? Mo\u017en\u00e1. Ale <b>plnohodnotn\u00e9 dopl\u0148ky v obvykl\u00e9m p\u0159\u00edpad\u011b nemohou existovat bez nastaven\u00ed<\/b>. Tato nastaven\u00ed se mohou li\u0161it v z\u00e1vislosti na typu cloudu (aws, gce, azure, bare-metal, do, \u2026). N\u011bkter\u00e1 nastaven\u00ed nelze zadat p\u0159edem \u2014 je nutn\u00e9 je z\u00edsk\u00e1vat z cloudu. A cloud nen\u00ed statick\u00fd: pro n\u011bkter\u00e1 nastaven\u00ed je t\u0159eba sledovat zm\u011bny. A zde u\u017e Ansible nesta\u010d\u00ed: pot\u0159ebujeme program, kter\u00fd \u017eije v cloudu, t.j. Kubernetes Operator.<\/p>\n<p>Ti, kdo vyzkou\u0161eli v praxi <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/flant\/shell-operator\">shell-operator<\/a><\/noindex>, \u0159eknou, \u017ee \u00fakoly instalace a aktualizace dopl\u0148k\u016f a sledov\u00e1n\u00ed nastaven\u00ed lze zcela vy\u0159e\u0161it pomoc\u00ed <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/flant\/shell-operator\/blob\/master\/HOOKS.md\">hook\u016f<\/a><\/noindex> pro shell-operator. M\u016f\u017eete napsat skript, kter\u00fd bude d\u011blat hypotetick\u00fd <code>kubectl apply<\/code> a sledovat nap\u0159\u00edklad ConfigMap, kde budou ulo\u017eena nastaven\u00ed. P\u0159ibli\u017en\u011b to je realizov\u00e1no v addon-operator.<\/p>\n<h2>Jak je to organizov\u00e1no v addon-operator?<\/h2>\n<p>\nP\u0159i vytv\u00e1\u0159en\u00ed nov\u00e9ho \u0159e\u0161en\u00ed jsme vych\u00e1zeli z n\u00e1sleduj\u00edc\u00edch princip\u016f:<\/p>\n<ul>\n<li> Instal\u00e1tor dopl\u0148k\u016f by m\u011bl podporovat <b>\u0161ablonizaci a deklarativn\u00ed konfiguraci<\/b>. Ned\u011bl\u00e1me \u017e\u00e1dn\u00e9 magick\u00e9 skripty, kter\u00e9 instaluj\u00ed dopl\u0148ky. Addon-operator pou\u017e\u00edv\u00e1 Helm k instalaci dopl\u0148k\u016f. Pro instalaci je pot\u0159eba vytvo\u0159it chart a vy\u010dlenit values, kter\u00e9 budou pou\u017eity pro konfiguraci. <\/li>\n<li> Nastaven\u00ed lze <b>generovat p\u0159i instalaci<\/b>, mohou b\u00fdt <b>z\u00edsk\u00e1na z klastru<\/b>, nebo <b>z\u00edsk\u00e1vat aktualizace<\/b>, sleduj\u00edc\u00ed zdroje klastru. Tyto operace lze realizovat pomoc\u00ed hook\u016f.<\/li>\n<li> Nastaven\u00ed lze <b>uchov\u00e1vat v klastru<\/b>. Pro uchov\u00e1v\u00e1n\u00ed nastaven\u00ed v klastru se vytv\u00e1\u0159\u00ed ConfigMap\/addon-operator a Addon-operator sleduje zm\u011bny tohoto ConfigMap. Addon-operator d\u00e1v\u00e1 hook\u016fm p\u0159\u00edstup k nastaven\u00edm prost\u0159ednictv\u00edm jednoduch\u00fdch konvenc\u00ed.<\/li>\n<li> <b>Dopln\u011bk z\u00e1vis\u00ed na nastaven\u00ed<\/b>. Pokud se nastaven\u00ed zm\u011bn\u00ed, Addon-operator provede nasazen\u00ed Helm-chartu s nov\u00fdmi values. Kombinaci Helm-chartu, values pro n\u011bj a hook\u016f jsme nazvali modulem (v\u00edce viz n\u00ed\u017ee).<\/li>\n<li> <b>Staging<\/b>. Neexistuj\u00ed \u017e\u00e1dn\u00e9 magick\u00e9 skripty pro vyd\u00e1n\u00ed. Mechanismus aktualizac\u00ed je podobn\u00fd jako u b\u011b\u017en\u00e9 aplikace \u2014 sestavit dopl\u0148ky a addon-operator do obrazu, ozna\u010dit a nasadit.<\/li>\n<li> <b>Kontrola v\u00fdsledku<\/b>. Addon-operator dok\u00e1\u017ee poskytovat metriky pro Prometheus.<\/li>\n<\/ul>\n<p><\/p>\n<h2>Co je to dopln\u011bk v addon-operator?<\/h2>\n<p>\nDopl\u0148kem lze pova\u017eovat v\u0161e, co p\u0159id\u00e1v\u00e1 do klastru nov\u00e9 funkce. Nap\u0159\u00edklad instalace Ingress \u2014 skv\u011bl\u00fd p\u0159\u00edklad dopl\u0148ku. M\u016f\u017ee to b\u00fdt jak\u00fdkoli operator nebo kontroler se sv\u00fdm CRD: prometheus-operator, cert-manager, kube-controller-manager atd. Nebo n\u011bco mal\u00e9ho, ale usnad\u0148uj\u00edc\u00edho spr\u00e1vu \u2014 nap\u0159\u00edklad secret copier, kter\u00fd kop\u00edruje registry-secret do nov\u00fdch jmenn\u00fdch prostor\u016f, nebo sysctl tuner, kter\u00fd nastavuje parametry sysctl na nov\u00fdch uzlech.<\/p>\n<p>Pro realizaci dopl\u0148k\u016f Addon-operator poskytuje n\u011bkolik koncept\u016f:<\/p>\n<ul>\n<li> <b>Helm chart<\/b> pou\u017e\u00edv\u00e1 se k instalaci r\u016fzn\u00fdch aplikac\u00ed do klastru \u2014 nap\u0159\u00edklad Prometheus, Grafana, nginx-ingress. Pokud m\u00e1 pot\u0159ebn\u00e1 komponenta Helm-chart, potom jej bude velmi snadn\u00e9 nainstalovat pomoc\u00ed Addon-operator.<\/li>\n<li> <b>\u00dalo\u017ei\u0161t\u011b values<\/b>. Helm-charty obvykle obsahuj\u00ed mnoho r\u016fzn\u00fdch nastaven\u00ed, kter\u00e1 se mohou v pr\u016fb\u011bhu \u010dasu m\u011bnit. Addon-operator podporuje uchov\u00e1v\u00e1n\u00ed t\u011bchto nastaven\u00ed a dok\u00e1\u017ee sledovat jejich zm\u011bny, aby p\u0159einstaloval Helm-chart s nov\u00fdmi hodnotami.<\/li>\n<li> <b>Huky<\/b> \u2014 to jsou spustiteln\u00e9 soubory, kter\u00e9 Addon-operator spou\u0161t\u00ed na z\u00e1klad\u011b ud\u00e1lost\u00ed a maj\u00ed p\u0159\u00edstup ke skladu values. Hook m\u016f\u017ee sledovat zm\u011bny v klastru a aktualizovat hodnoty ve skladu values. To znamen\u00e1, \u017ee pomoc\u00ed hook\u016f je mo\u017en\u00e9 prov\u00e9st discovery, aby se shroma\u017e\u010fovaly hodnoty z klastru p\u0159i spu\u0161t\u011bn\u00ed nebo na z\u00e1klad\u011b pl\u00e1nu, nebo tak\u00e9 kontinuitn\u00ed discovery, kdy se shroma\u017e\u010fuj\u00ed hodnoty z klastru na z\u00e1klad\u011b zm\u011bn v klastru.<\/li>\n<li> <b>Modul<\/b> \u2014 to je spojen\u00ed Helm chartu, skladu values a hook\u016f. Moduly lze zap\u00ednat a vyp\u00ednat. Vypnut\u00ed modulu znamen\u00e1 odstran\u011bn\u00ed v\u0161ech vyd\u00e1n\u00ed Helm chartu. Moduly se mohou dynamicky zahrnovat, nap\u0159\u00edklad pokud jsou zapnuty v\u0161echny pot\u0159ebn\u00e9 moduly, nebo pokud discovery v hookech na\u0161lo pot\u0159ebn\u00e9 parametry \u2014 toto se prov\u00e1d\u00ed pomoc\u00ed pomocn\u00e9ho skriptu enabled.<\/li>\n<li> <b>Glob\u00e1ln\u00ed hooky<\/b>. To jsou hooky \u201esamy o sob\u011b\u201c, nejsou zahrnuty v modulech a maj\u00ed p\u0159\u00edstup k glob\u00e1ln\u00edmu skladu values, jeho\u017e hodnoty jsou dostupn\u00e9 v\u0161em hook\u016fm v modulech.<\/li>\n<\/ul>\n<p>\nJak tyto \u010d\u00e1sti funguj\u00ed dohromady? Pod\u00edvejme se na obr\u00e1zek z dokumentace:<\/p>\n<p><img decoding=\"async\" alt=\"P\u0159\u00edprava Kubernetes clusteru je jednoduch\u00e1 a pohodln\u00e1? Annonce addon-operator\" src=\"\/wp-content\/uploads\/c9bb8e5ae78aa5df0d6c4fbf353e4236.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nExistuj\u00ed dva sc\u00e9n\u00e1\u0159e fungov\u00e1n\u00ed:<\/p>\n<ol>\n<li> Glob\u00e1ln\u00ed hook se spou\u0161t\u00ed na z\u00e1klad\u011b ud\u00e1losti \u2014 nap\u0159\u00edklad p\u0159i zm\u011bn\u011b zdroje v klastru. Tento hook zpracov\u00e1v\u00e1 zm\u011bny a zapisuje nov\u00e9 hodnoty do glob\u00e1ln\u00edho skladu values. Addon-operator si v\u0161imne, \u017ee glob\u00e1ln\u00ed sklad se zm\u011bnil a spou\u0161t\u00ed v\u0161echny moduly. Ka\u017ed\u00fd modul pomoc\u00ed sv\u00fdch hook\u016f zji\u0161\u0165uje, zda se m\u00e1 zapnout, a aktualizuje sv\u016fj sklad values. Pokud je modul zapnut, Addon-operator spou\u0161t\u00ed instalaci Helm chartu. Helm chartu jsou dostupn\u00e9 hodnoty jak ze skladu modulu, tak z glob\u00e1ln\u00edho skladu.<\/li>\n<li> Druh\u00fd sc\u00e9n\u00e1\u0159 je jednodu\u0161\u0161\u00ed: modulov\u00fd hook se spou\u0161t\u00ed na z\u00e1klad\u011b ud\u00e1losti a m\u011bn\u00ed hodnoty ve skladu values modulu. Addon-operator si toho v\u0161imne a spou\u0161t\u00ed Helm chart s aktualizovan\u00fdmi hodnotami.<\/li>\n<\/ol>\n<p>\nDopln\u011bn\u00ed m\u016f\u017ee b\u00fdt realizov\u00e1no jako jedin\u00fd hook, nebo jako jeden Helm chart, nebo <b>dokonce jako n\u011bkolik z\u00e1visl\u00fdch modul\u016f<\/b> \u2014 z\u00e1le\u017e\u00ed na slo\u017eitosti komponenty, kter\u00e1 m\u00e1 b\u00fdt nainstalov\u00e1na v klastru, a na po\u017eadovan\u00e9 \u00farovni flexibility nastaven\u00ed. Nap\u0159\u00edklad v repozit\u00e1\u0159i (<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/flant\/addon-operator\/tree\/master\/examples\">\/examples<\/a><\/noindex>) existuje dopln\u011bk sysctl-tuner, kter\u00fd je realizov\u00e1n jak jako jednoduch\u00fd modul s hookem a Helm chartem, tak i s vyu\u017eit\u00edm skladu values, co\u017e umo\u017e\u0148uje p\u0159id\u00e1vat nastaven\u00ed prost\u0159ednictv\u00edm \u00fapravy ConfigMap.<\/p>\n<h2>Doru\u010den\u00ed aktualizac\u00ed<\/h2>\n<p>\nN\u011bkolik slov o organizaci aktualizac\u00ed komponent, kter\u00e9 instaluje Addon-operator.<\/p>\n<p>Aby mohl Addon-operator b\u011b\u017eet v klastru, je t\u0159eba <b>sestavit obraz s dodatky<\/b> ve form\u011b hook soubor\u016f a Helm chart\u016f, p\u0159idat bin\u00e1rn\u00ed soubor <code>addon-operator<\/code> a v\u0161e, co bude pot\u0159eba pro hooky: <code>bash<\/code>, <code>kubectl<\/code>, <code>jq<\/code>, <code>python<\/code> atd. Dal\u0161\u00ed obraz lze nasadit do klastru jako b\u011b\u017enou aplikaci a pravd\u011bpodobn\u011b si budete cht\u00edt nastavit n\u011bjak\u00fd syst\u00e9m tagov\u00e1n\u00ed. Pokud je klastr\u016f m\u00e1lo, m\u016f\u017ee b\u00fdt pou\u017eit p\u0159\u00edstup jako u aplikac\u00ed: nov\u00e9 vyd\u00e1n\u00ed, nov\u00e1 verze, proj\u00edt v\u0161echny klastry a opravit image u Pod\u016f. Nicm\u00e9n\u011b, v p\u0159\u00edpad\u011b nasazen\u00ed na v\u00fdrazn\u00fd po\u010det klastr\u016f n\u00e1m v\u00edce vyhovuje koncepce automatick\u00fdch aktualizac\u00ed z kan\u00e1lu. <\/p>\n<p>U n\u00e1s to funguje takto:<\/p>\n<ul>\n<li>Kan\u00e1l je v podstat\u011b identifik\u00e1tor, kter\u00fd lze zad\u00e1vat libovoln\u011b (nap\u0159\u00edklad dev\/stage\/ea\/stable).<\/li>\n<li>N\u00e1zev kan\u00e1lu je tag obrazu. Kdy\u017e je t\u0159eba nasadit aktualizace do kan\u00e1lu, sestav\u00ed se nov\u00fd obraz a ozna\u010d\u00ed n\u00e1zvem kan\u00e1lu.<\/li>\n<li>Kdy\u017e se v registru objev\u00ed nov\u00fd obraz, Addon-operator se restartuje a spust\u00ed nov\u00fdm obrazem.<\/li>\n<\/ul>\n<p>\nTo nen\u00ed best practice, o \u010dem\u017e se p\u00ed\u0161e v <noindex><a rel=\"nofollow\" href=\"https:\/\/kubernetes.io\/docs\/concepts\/containers\/images\/#updating-images\">dokumentace Kubernetes<\/a><\/noindex>. Tak to nedoporu\u010dujeme, ale hovo\u0159\u00edme o <i>b\u011b\u017en\u00e9 aplikaci, kter\u00e1 \u017eije v jednom klastru.<\/i>V p\u0159\u00edpad\u011b Addon-operator je aplikace mno\u017estv\u00ed Deployment\u016f rozpt\u00fdlen\u00fdch po klastrech a automatick\u00e9 aktualizace velmi v\u00fdrazn\u011b pom\u00e1haj\u00ed a usnad\u0148uj\u00ed \u017eivot. <\/p>\n<p>Kan\u00e1ly pom\u00e1haj\u00ed i <b>p\u0159i testov\u00e1n\u00ed:<\/b>pokud je k dispozici pomocn\u00fd klastr, lze jej nastavit na kan\u00e1l <code>stage<\/code> a testovat aktualizace v n\u011bm p\u0159ed nasazen\u00edm do kan\u00e1l\u016f. <code>ea<\/code> a <code>stable<\/code>Pokud dojde k chyb\u011b v klastru na kan\u00e1lu <code>ea<\/code> , m\u016f\u017ee b\u00fdt p\u0159epnut na <code>stable<\/code>, zat\u00edmco prob\u00edh\u00e1 vy\u0161et\u0159ov\u00e1n\u00ed probl\u00e9mu s t\u00edmto klastrem. Pokud je klastr vy\u0159azen z aktivn\u00ed podpory, p\u0159ep\u00edn\u00e1 se na sv\u016fj 'zmra\u017een\u00fd' kan\u00e1l \u2013 nap\u0159\u00edklad, <code>freeze-2019-03-20.<\/code>.<\/p>\n<p>Krom\u011b aktualizac\u00ed hook\u016f a Helm chart\u016f m\u016f\u017ee b\u00fdt pot\u0159eba <b>aktualizovat i t\u0159et\u00ed komponentu.<\/b>Nap\u0159\u00edklad, pokud jste si v\u0161imli chyby v p\u0159\u00edslu\u0161n\u00e9m node-exporteru a dokonce jste vymysleli, jak ho opravit. Pak jste otev\u0159eli PR a \u010dek\u00e1te na nov\u00e9 vyd\u00e1n\u00ed, abyste mohli proj\u00edt v\u0161echny klastry a zv\u00fd\u0161it verzi obrazu. Abychom ne\u010dekali neur\u010ditou dobu, m\u016f\u017eeme sestavit sv\u016fj node-exporter a p\u0159epnout se na n\u011bj do p\u0159ijet\u00ed PR.<\/p>\n<p>Obecn\u011b plat\u00ed, \u017ee to m\u016f\u017eete ud\u011blat i bez Addon-operator, ale s Addon-operator je modul pro instalaci node-exporter viditeln\u00fd v jednom repozit\u00e1\u0159i, Dockerfile pro sestaven\u00ed vlastn\u00edho obrazu lze m\u00edt tak\u00e9 zde, v\u0161em \u00fa\u010dastn\u00edk\u016fm procesu je jednodu\u0161\u0161\u00ed ch\u00e1pat, co se d\u011bje\u2026 A pokud je n\u011bkolik klastr\u016f, je snaz\u0161\u00ed testovat sv\u016fj PR a nasadit novou verzi!<\/p>\n<p>Tato organizace pro aktualizaci komponent\u016f u n\u00e1s \u00fasp\u011b\u0161n\u011b funguje, ale lze realizovat i jak\u00fdkoli jin\u00fd vhodn\u00fd re\u017eim \u2014 v\u017edy\u0165 <b>v tomto p\u0159\u00edpad\u011b je Addon-operator jednoduch\u00fd bin\u00e1rn\u00ed soubor.<\/b>.<\/p>\n<h2>Z\u00e1v\u011br<\/h2>\n<p>\nPrincipy implementovan\u00e9 v Addon-operator umo\u017e\u0148uj\u00ed vytvo\u0159it transparentn\u00ed proces tvorby, testov\u00e1n\u00ed, instalace a aktualizace dopl\u0148k\u016f v klastru, kter\u00fd je analogick\u00fd proces\u016fm v\u00fdvoje b\u011b\u017en\u00fdch aplikac\u00ed.<\/p>\n<p>Dopl\u0148ky pro Addon-operator ve form\u00e1tu modul\u016f (Helm chart + hooky) mohou b\u00fdt zve\u0159ejn\u011bny \u0161irok\u00e9 ve\u0159ejnosti. My, spole\u010dnost Flant, pl\u00e1nujeme zve\u0159ejnit b\u011bhem l\u00e9ta na\u0161e v\u00fdsledky ve form\u011b t\u011bchto dopl\u0148k\u016f. P\u0159ipojte se k v\u00fdvoji na GitHub (<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/flant\/shell-operator\">shell-operator<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/flant\/addon-operator\"><b>addon-operator<\/b><\/a><\/noindex>), zkuste vytvo\u0159it sv\u016fj vlastn\u00ed dopln\u011bk na z\u00e1klad\u011b <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/flant\/addon-operator\/tree\/master\/examples\">p\u0159\u00edkladu<\/a><\/noindex> a <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/flant\/addon-operator\/blob\/master\/README.md\">dokumentaci<\/a><\/noindex>, \u010dekejte na novinky na Habr a na na\u0161em <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/c\/%D0%A4%D0%BB%D0%B0%D0%BD%D1%82\">kan\u00e1lu na YouTube<\/a><\/noindex>!<\/p>\n<h2>P.S.<\/h2>\n<p>\nP\u0159e\u010dt\u011bte si tak\u00e9 n\u00e1\u0161 blog:<\/p>\n<ul>\n<li> \u00ab<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/449096\/\">Roz\u0161i\u0159ujeme a dopl\u0148ujeme Kubernetes (p\u0159ehled a video z p\u0159edn\u00e1\u0161ky)<\/a><\/noindex>\u00bb;<\/li>\n<li> \u00ab<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/447442\/\">P\u0159edstavujeme shell-operator: vytv\u00e1\u0159en\u00ed oper\u00e1tor\u016f pro Kubernetes se stalo je\u0161t\u011b jednodu\u0161\u0161\u00edm<\/a><\/noindex>\u00bb.<\/li>\n<\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/455543\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u0441\u043b\u0435\u0434 \u0437\u0430 shell-operator \u043c\u044b \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c \u0435\u0433\u043e \u0441\u0442\u0430\u0440\u0448\u0435\u0433\u043e \u0431\u0440\u0430\u0442\u0430 \u2014 addon-operator. \u042d\u0442\u043e Open Source-\u043f\u0440\u043e\u0435\u043a\u0442, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0432 \u043a\u043b\u0430\u0441\u0442\u0435\u0440 Kubernetes \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0436\u043d\u043e \u043d\u0430\u0437\u0432\u0430\u0442\u044c \u043e\u0431\u0449\u0438\u043c \u0441\u043b\u043e\u0432\u043e\u043c \u2014 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f. \u0417\u0430\u0447\u0435\u043c \u0432\u043e\u043e\u0431\u0449\u0435 \u043a\u0430\u043a\u0438\u0435-\u0442\u043e \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f? \u041d\u0435 \u0441\u0435\u043a\u0440\u0435\u0442, \u0447\u0442\u043e Kubernetes \u044d\u0442\u043e \u043d\u0435 \u0433\u043e\u0442\u043e\u0432\u044b\u0439 \u043f\u0440\u043e\u0434\u0443\u043a\u0442 \u0432\u0441\u0451-\u0432-\u043e\u0434\u043d\u043e\u043c, \u0438 \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u00ab\u0432\u0437\u0440\u043e\u0441\u043b\u043e\u0433\u043e\u00bb \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u0430 \u043f\u043e\u043d\u0430\u0434\u043e\u0431\u044f\u0442\u0441\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0435 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f. Addon-operator \u043f\u043e\u043c\u043e\u0436\u0435\u0442 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c, \u043d\u0430\u0441\u0442\u0440\u043e\u0438\u0442\u044c \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":[688],"tags":[],"class_list":["post-35226","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/gotovit-kubernetes-klaster-prosto-i-udobno-anonsiruem-addon-operator\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0413\u043e\u0442\u043e\u0432\u0438\u0442\u044c Kubernetes-\u043a\u043b\u0430\u0441\u0442\u0435\u0440 \u043f\u0440\u043e\u0441\u0442\u043e \u0438 \u0443\u0434\u043e\u0431\u043d\u043e? \u0410\u043d\u043e\u043d\u0441\u0438\u0440\u0443\u0435\u043c addon-operator | ProHoster\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/gotovit-kubernetes-klaster-prosto-i-udobno-anonsiruem-addon-operator\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T19:03:05+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T19:03:05+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Je jednoduch\u00e9 a pohodln\u00e9 p\u0159ipravit Kubernetes cluster? 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