{"id":138999,"date":"2025-07-17T17:11:55","date_gmt":"2025-07-17T15:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-cozystack-0-33-otkrytoj-paas-platformy-na-baze-kubernetes"},"modified":"2026-02-08T19:38:48","modified_gmt":"2026-02-08T17:38:48","slug":"vypusk-cozystack-0-33-otkrytoj-paas-platformy-na-baze-kubernetes","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-cozystack-0-33-otkrytoj-paas-platformy-na-baze-kubernetes","title":{"rendered":"Vyd\u00e1n\u00ed Cozystack 0.33, otev\u0159en\u00e9 PaaS platformy zalo\u017een\u00e9 na Kubernetes.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dostupn\u00e1 byla svobodn\u00e1 PaaS platforma Cozystack 0.33, postaven\u00e1 na z\u00e1klad\u011b Kubernetes. Projekt je zam\u011b\u0159en na poskytov\u00e1n\u00ed hotov\u00e9 platformy pro hostingov\u00e9 poskytovatele a r\u00e1mce pro vytvo\u0159en\u00ed priv\u00e1tn\u00edch a ve\u0159ejn\u00fdch cloud\u016f. Platforma se instaluje p\u0159\u00edmo na servery a pokr\u00fdv\u00e1 v\u0161echny aspekty p\u0159\u00edpravy infrastruktury pro poskytov\u00e1n\u00ed \u0159\u00edzen\u00fdch slu\u017eeb. Cozystack umo\u017e\u0148uje spou\u0161t\u011bt a poskytovat clustery Kubernetes, datab\u00e1ze a virtu\u00e1ln\u00ed stroje. K\u00f3d platformy je dostupn\u00fd na GitHubu a je \u0161\u00ed\u0159en pod licenc\u00ed Apache-2.0.      <\/p>\n<p>Jako z\u00e1kladn\u00ed technologick\u00fd stack se pou\u017e\u00edv\u00e1 Talos Linux a Flux CD. Obrazy se syst\u00e9mem, j\u00e1drem a pot\u0159ebn\u00fdmi moduly jsou p\u0159edem vytvo\u0159eny a aktualizov\u00e1ny atomicky, co\u017e umo\u017e\u0148uje obej\u00edt se bez komponent jako dkms a bal\u00edkov\u00e9ho mana\u017eera a zaru\u010duje stabiln\u00ed provoz. Je poskytov\u00e1na jednoduch\u00e1 metoda instalace v pr\u00e1zdn\u00e9m datacentru pomoc\u00ed PXE a debian-podobn\u00e9ho instal\u00e1toru talos-bootstrap. V r\u00e1mci platformy lze jednodu\u0161e nasazovat Kafka, FerretDB, PostgreSQL, Cilium, Grafana, Victoria Metrics a dal\u0161\u00ed slu\u017eby.       <\/p>\n<p>Platforma zahrnuje svobodnou implementaci <a href=\"https:\/\/prohoster.info\/cs\/server\/dts-sofia\/\"  data-wpil-monitor-id=\"405\">s\u00ed\u0165ov\u00e9 infrastruktury<\/a> (fabric) zalo\u017een\u00fd na Kube-OVN, a vyu\u017e\u00edv\u00e1 Cilium pro organizaci servisn\u00ed s\u00edt\u011b, MetalLB pro inzerci slu\u017eeb ven. \u00dalo\u017ei\u0161t\u011b je implementov\u00e1no na LINSTOR, kde je nab\u00edzena mo\u017enost vyu\u017eit\u00ed ZFS jako z\u00e1kladn\u00edho vrstvy pro \u00falo\u017ei\u0161t\u011b a DRBD pro replikaci. Je k dispozici p\u0159edkonfigurovan\u00fd monitoringov\u00fd stack zalo\u017een\u00fd na VictoriaMetrics a Grafana. Pro spu\u0161t\u011bn\u00ed virtu\u00e1ln\u00edch stroj\u016f se pou\u017e\u00edv\u00e1 technologie KubeVirt, kter\u00e1 umo\u017e\u0148uje spou\u0161t\u011bt klasick\u00e9 virtu\u00e1ln\u00ed stroje p\u0159\u00edmo v kontejnerech Kubernetes a ji\u017e m\u00e1 v\u0161echny pot\u0159ebn\u00e9 integrace s Cluster API pro spu\u0161t\u011bn\u00ed spravovan\u00fdch Kubernetes klastr\u016f uvnit\u0159 'hardwarov\u00e9ho' Kubernetes klastru.    <\/p>\n<p>V uplynul\u00fdch dvou a p\u016fl m\u011bs\u00edc\u00edch t\u00fdm projektu vydal nov\u00e9 verze 0.31, 0.32 a 0.33. Mezi zm\u011bnami v t\u011bchto vyd\u00e1n\u00edch:  <\/p>\n<ul>\n<li class=\"l\"> Bylo sjednoceno \u0159\u00edzen\u00ed p\u0159id\u011blov\u00e1n\u00ed zdroj\u016f CPU a pam\u011bti. Byly p\u0159id\u00e1ny jednotn\u00e9 konfigura\u010dn\u00ed prom\u011bnn\u00e9 cpu-allocation-ratio a memory-allocation-ratio pro omezen\u00ed zdroj\u016f CPU a spot\u0159eby pam\u011bti ve virtu\u00e1ln\u00edch stroj\u00edch spravovan\u00fdch KubeVirt. Prom\u011bnn\u00e9 se aplikuj\u00ed na v\u0161echny spravovan\u00e9 aplikace a kv\u00f3ty zdroj\u016f tenant\u016f. P\u0159edvolby tak\u00e9 zohled\u0148uj\u00ed koeficienty p\u0159id\u011blov\u00e1n\u00ed zdroj\u016f a chovaj\u00ed se stejn\u011b jako explicitn\u011b definovan\u00e9 zdroje. P\u0159i aktualizaci z d\u0159\u00edv\u011bj\u0161\u00edch verz\u00ed Cozystack se konfigurace zdroj\u016f ve spravovan\u00fdch aplikac\u00edch automaticky p\u0159ev\u00e1d\u00ed do nov\u00e9ho form\u00e1tu.\n<li class=\"l\"> Byla p\u0159id\u00e1na funkce z\u00e1lohov\u00e1n\u00ed PVC v tenantov\u00fdch Kubernetes clusterech, kter\u00e1 umo\u017e\u0148uje spr\u00e1vc\u016fm jak cel\u00e9 platformy, tak jednotliv\u00fdch tenant\u016f, vytv\u00e1\u0159et z\u00e1lohy a obnovovat data spu\u0161t\u011bn\u00fdch v clusterech slu\u017eeb. Pro z\u00e1lohov\u00e1n\u00ed byl vyu\u017eit projekt Velero a samotn\u00fd syst\u00e9m vy\u017eaduje extern\u00ed \u00falo\u017ei\u0161t\u011b kompatibiln\u00ed se S3.\n<li class=\"l\"> Byla implementov\u00e1na podpora pou\u017e\u00edv\u00e1n\u00ed sd\u00edlen\u00fdch NFS \u00falo\u017ei\u0161\u0165 s nov\u00fdm voliteln\u00fdm syst\u00e9mov\u00fdm modulem.\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost nastaven\u00ed dostupn\u00fdch CPU socket\u016f pro virtu\u00e1ln\u00ed stroje prost\u0159ednictv\u00edm parametru resources.cpu.sockets, co\u017e umo\u017e\u0148uje p\u0159i\u0159azen\u00ed konkr\u00e9tn\u00edch socket\u016f virtu\u00e1ln\u00edm stroj\u016fm.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora pou\u017e\u00edv\u00e1n\u00ed p\u0159edna\u010d\u00edtan\u00fdch golden obraz\u016f pro virtu\u00e1ln\u00ed stroje, kter\u00e1 urychluje p\u0159\u00edpravu d\u00edky odkaz\u016fm na existuj\u00edc\u00ed obrazy m\u00edsto stahov\u00e1n\u00ed p\u0159es HTTP.\n<li class=\"l\"> Byla implementov\u00e1na mo\u017enost exposeMethod pro Ingress-NGINX v tenantov\u00fdch clusterech, kter\u00e1 umo\u017e\u0148uje vybrat Proxied a LoadBalancer.\n<li class=\"l\"> Vylep\u0161en\u00e1 podpora Java aplikac\u00ed: parametry \u201eheap\u201c jsou nyn\u00ed po\u010d\u00edt\u00e1ny na z\u00e1klad\u011b po\u017eadavk\u016f a limit\u016f pam\u011bti.\n<li class=\"l\"> Standardn\u00ed spr\u00e1vce bal\u00ed\u010dk\u016f byl nahrazen \u2014 m\u00edsto Helmu se nyn\u00ed pou\u017e\u00edv\u00e1 nov\u00e1 utilita cozypkg (n\u00e1hra\u017eka kolem Helmu a Flux pro m\u00edstn\u00ed v\u00fdvoj).\n<li class=\"l\"> Byl p\u0159id\u00e1n synchroniz\u00e1tor HelmRelease pro syst\u00e9mov\u00e9 komponenty, kter\u00fd zaji\u0161\u0165uje automatickou kontrolu kl\u00ed\u010dov\u00fdch zm\u011bn konfigurace pro v\u010dasn\u00e9 aktualizace syst\u00e9mov\u00fdch aplikac\u00ed.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora registry mirror v tenantn\u00edch Kubernetes clusterech, kter\u00e1 konfiguruje containerd pro tenantn\u00ed clustry.\n<li class=\"l\"> Bylo implementov\u00e1no jednotn\u00e9 ozna\u010den\u00ed pod\u0159\u00edzen\u00fdch objekt\u016f aplikac\u00ed pro monitorov\u00e1n\u00ed p\u0159es WorkloadMonitors.\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost cluster-domain pro p\u0159eps\u00e1n\u00ed dom\u00e9ny cozy.local.\n<li class=\"l\"> Byla p\u0159id\u00e1na pravidla RBAC pro p\u0159ed\u00e1v\u00e1n\u00ed port\u016f v KubeVirt (SSH p\u0159es virtctl).\n<li class=\"l\"> Byl zahrnut sb\u011br ud\u00e1lost\u00ed a auditn\u00edch log\u016f.\n<li class=\"l\"> Bylo realizov\u00e1no z\u00e1lohov\u00e1n\u00ed\/obnoven\u00ed PostgreSQL.\n<li class=\"l\"> Byl p\u0159id\u00e1n nov\u00fd n\u00e1stroj cozyreport a zaji\u0161t\u011bn sb\u011br zpr\u00e1v v CI. Nyn\u00ed se v\u0161echny diagnostick\u00e9 informace ukl\u00e1daj\u00ed jako artefakty sestaven\u00ed.\n<li class=\"l\"> Byly aktualizov\u00e1ny komponenty: cozykpg v1.1.0, flux-operator 0.23.0, Flux 2.6.x, Talos Linux v1.10.3, Cilium 1.17.4, MetalLB 0.15.2, Kube-OVN 1.13.13, cozy-proxy 0.2.0, Kafka Operator 0.45.1-rc1.\n<li class=\"l\"> Byla poskytnuta mo\u017enost instalace Talos v Air Gap prost\u0159ed\u00edch.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora GPU pro tenantn\u00ed Kubernetes clustry. U\u017eivatel\u00e9 platformy mohou spou\u0161t\u011bt GPU workloady jak ve virtu\u00e1ln\u00edch stroj\u00edch, tak v Kubernetes clustrech.\n<li class=\"l\"> Byla zaji\u0161t\u011bna beta podpora architektury ARM (k\u0159\u00ed\u017eov\u011b-architektonick\u00e1 sestaven\u00ed). Syst\u00e9m sestaven\u00ed byl p\u0159epracov\u00e1n pro podporu multiarchitektonick\u00fdch bin\u00e1rn\u00edch soubor\u016f a kontejnerov\u00fdch obraz\u016f.\n<li class=\"l\"> Byl roz\u0161\u00ed\u0159en VerticalPodAutoscaler (VPA), kter\u00fd je aktivov\u00e1n pro v\u00edce komponent Cozystack a umo\u017e\u0148uje automatick\u00e9 nastaven\u00ed zdroj\u016f. VPA byl konkr\u00e9tn\u011b p\u0159id\u00e1n pro control plane tenantn\u00ed clustry. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/control-panel\/\"   title=\"administrativn\u00edm panelu.\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"577\">administrativn\u00edm panelu.<\/a> Cozystack a etcd-operator. V\u0161echny komponenty Cozystack s aktivn\u00edm VPA mohou automaticky upravovat sv\u00e9 po\u017eadavky na CPU a pam\u011b\u0165 na z\u00e1klad\u011b jejich vyu\u017eit\u00ed, co\u017e zvy\u0161uje stabilitu.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora Gateway API v Cilium, co\u017e umo\u017e\u0148uje vyu\u017e\u00edvat roz\u0161\u00ed\u0159en\u00e9 funkce sm\u011brov\u00e1n\u00ed L4\/L7 prost\u0159ednictv\u00edm Kubernetes Gateway API.\n<li class=\"l\"> Byla poskytnuta mo\u017enost p\u0159id\u00e1n\u00ed vlastn\u00edch parametr\u016f do konfigurac\u00ed Cilium pro tenantn\u00ed clustry.\n<li class=\"l\"> V kontroleru Tenant HelmRelease Reconcile je zaji\u0161t\u011bno \u0161\u00ed\u0159en\u00ed zm\u011bn konfigurace na pracovn\u00ed z\u00e1t\u011b\u017ee tenant\u016f (zaru\u010duje, \u017ee jak\u00fdkoli HelmRelease definovan\u00fd v tenantovi je synchronizov\u00e1n s aktualizacemi platformy).\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost nastaven\u00ed koeficientu alokace CPU v KubeVirt (jak se virtu\u00e1ln\u00ed CPU vztahuj\u00ed k fyzick\u00fdm) p\u0159es hodnotu cpu-allocation-ratio v configmap. Administr\u00e1to\u0159i mohou nastavovat overcommit CPU pro virtu\u00e1ln\u00ed stroje, p\u0159i\u010dem\u017e dodr\u017euj\u00ed nutnou rovnov\u00e1hu mezi v\u00fdkonem a hustotou.\n<li class=\"l\"> Byl implementov\u00e1n export virtu\u00e1ln\u00edch stroj\u016f KubeVirt. Funkce funguje prost\u0159ednictv\u00edm VirtualMachineExport v KubeVirt a umo\u017e\u0148uje u\u017eivatel\u016fm vytv\u00e1\u0159et sn\u00edmky nebo z\u00e1lohy obraz\u016f virtu\u00e1ln\u00edch stroj\u016f.\n<li class=\"l\"> Byla zaji\u0161t\u011bna podpora r\u016fzn\u00fdch t\u0159\u00edd \u00falo\u017ei\u0161\u0165 (storage classes) pro virtu\u00e1ln\u00ed stroje. Aplikace virtual-machine umo\u017e\u0148uje vyb\u00edrat libovoln\u00fd StorageClass pro syst\u00e9mov\u00fd disk virtu\u00e1ln\u00edho stroje nam\u00edsto pou\u017e\u00edv\u00e1n\u00ed pevn\u011b dan\u00e9ho PVC (viz hodnoty systemDisk.storage a systemDisk.storageClass v konfiguraci aplikace).    <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63589\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 PaaS-\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Cozystack 0.33, \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u043e\u0439 \u043d\u0430 \u0431\u0430\u0437\u0435 Kubernetes. \u041f\u0440\u043e\u0435\u043a\u0442 \u043d\u0430\u0446\u0435\u043b\u0435\u043d \u043d\u0430 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0433\u043e\u0442\u043e\u0432\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u0445\u043e\u0441\u0442\u0438\u043d\u0433-\u043f\u0440\u043e\u0432\u0430\u0439\u0434\u0435\u0440\u043e\u0432 \u0438 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0447\u0430\u0441\u0442\u043d\u044b\u0445 \u0438 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u044b\u0445 \u043e\u0431\u043b\u0430\u043a\u043e\u0432. \u041f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u044b \u0438 \u043e\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0432\u0441\u0435 \u0430\u0441\u043f\u0435\u043a\u0442\u044b \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043a\u0438 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0434\u043b\u044f \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0445 \u0441\u0435\u0440\u0432\u0438\u0441\u043e\u0432. Cozystack \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0442\u044c \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u044b Kubernetes, \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0435 \u043c\u0430\u0448\u0438\u043d\u044b. \u041a\u043e\u0434 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b [&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-138999","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta 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