{"id":32389,"date":"2019-10-31T21:46:45","date_gmt":"2019-10-31T18:46:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/slyorm-intensiv-po-kubernetes-programma-i-bonusy\/"},"modified":"2019-10-31T21:46:45","modified_gmt":"2019-10-31T18:46:45","slug":"slyorm-intensiv-po-kubernetes-programma-i-bonusy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/slyorm-intensiv-po-kubernetes-programma-i-bonusy","title":{"rendered":"Slyrm: intenzivn\u00ed kurz Kubernetes. Program a bonusy","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ve dnech 27-29 kv\u011btna po\u0159\u00e1d\u00e1me \u010dtvrt\u00fd Slyrm: intenzivn\u00ed kurz Kubernetes.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Slyrm: intenzivn\u00ed kurz Kubernetes. Program a bonusy\" src=\"\/wp-content\/uploads\/2019\/04\/4242842811609490e5240cdc530f303d.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><strong>Bonus: online kurzy Docker, Ansible, Ceph<\/strong><br \/>\nZ Slyrmu jsme vybrali t\u00e9mata, kter\u00e1 jsou d\u016fle\u017eit\u00e1 pro pr\u00e1ci s Kubernetes, ale p\u0159\u00edmo se k k8s net\u00fdkaj\u00ed. Jak, pro\u010d a co se poda\u0159ilo \u2013 podrobnosti uvnit\u0159.<br \/>\nV\u0161ichni \u00fa\u010dastn\u00edci Slyrm-4 dostanou p\u0159\u00edstup k t\u011bmto kurz\u016fm.<\/p>\n<p><\/p>\n<p><strong>Pln\u00fd manibek v prvn\u00ed den<\/strong><br \/>\nNa petrohradsk\u00e9m Slyrmu dva \u00fa\u010dastn\u00edci zanechali <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/439024\/\">velmi negativn\u00ed zp\u011btnou vazbu<\/a><\/noindex>. Jak jsem litoval, \u017ee nemohu vr\u00e1tit \u010das a odej\u00edt od nich bez vz\u00e1jemn\u00fdch st\u00ed\u017enost\u00ed.<br \/>\nPokud zjist\u00edte, \u017ee se v\u00e1m na Slyrmu zcela nel\u00edb\u00ed, <strong>v prvn\u00ed den<\/strong> napi\u0161te jak\u00e9mukoli z organiz\u00e1tor\u016f. Odstoup\u00edme v\u00e1m p\u0159\u00edstupy a vr\u00e1t\u00edme plnou cenu \u00fa\u010dasti.<\/p>\n<p><\/p>\n<p><strong>Konzultace technick\u00e9ho \u0159editele<\/strong><br \/>\nPokud n\u011bkdo zn\u00e1 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.facebook.com\/ctorecords\">Dmitrije Simonova<\/a><\/noindex> (zalo\u017eil klub technick\u00fdch \u0159editel\u016f), pozvali jsme ho na Slyrm (u\u010dit se, ne vystupovat). Sl\u00edbil, \u017ee bude konzultovat v\u0161echny z\u00e1jemce. O administr\u00e1tory a v\u00fdvoj\u00e1\u0159e to pravd\u011bpodobn\u011b nebude m\u00edt z\u00e1jem, ale pro mana\u017eery v IT \u2013 jist\u011b.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2 id=\"chto-est-slyorm\">Co je Slyrm<\/h2>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Slyrm: intenzivn\u00ed kurz Kubernetes. Program a bonusy\" src=\"\/wp-content\/uploads\/2019\/04\/fe3b5c6fa6931ec0830b88767bd53511.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><strong>Slyrm-4: z\u00e1kladn\u00ed kurz (27-29 kv\u011btna)<\/strong><br \/>\nUr\u010deno pro ty, kte\u0159\u00ed poprv\u00e9 vid\u00ed Kubernetes nebo cht\u011bj\u00ed systematizovat znalosti.<br \/>\nKa\u017ed\u00fd \u00fa\u010dastn\u00edk vytvo\u0159\u00ed sv\u016fj cluster v cloudu Selectel a nasad\u00ed tam aplikaci.<\/p>\n<p><\/p>\n<p>Cena: 25 tis\u00edc<\/p>\n<p>\n<b class=\"spoiler_title\">Program<\/b><\/p>\n<p>T\u00e9ma \u010d. 1: Sezn\u00e1men\u00ed s Kubernetes, z\u00e1kladn\u00ed komponenty<br \/>\n\u2022 \u00davod do technologie k8s. Popis, vyu\u017eit\u00ed, koncepty<br \/>\n\u2022 Pod, ReplicaSet, Deployment, Service, Ingress, PV, PVC, ConfigMap, Secret<br \/>\n\u2022 Praxe<\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 2: Struktura clustru, z\u00e1kladn\u00ed komponenty, odolnost, s\u00ed\u0165 k8s<br \/>\n\u2022 Struktura clustru, z\u00e1kladn\u00ed komponenty, odolnost<br \/>\n\u2022 S\u00ed\u0165 k8s <\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 3: Kubespray, lad\u011bn\u00ed a konfigurace clustru Kubernetes<br \/>\n\u2022 Kubespray, konfigurace a lad\u011bn\u00ed clustru Kubernetes<br \/>\n\u2022 Praxe <\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 4: Ceph, konfigurace clustru a zvl\u00e1\u0161tnosti pr\u00e1ce v produkci<br \/>\n\u2022 Ceph, konfigurace clustru a zvl\u00e1\u0161tnosti pr\u00e1ce v produkci<br \/>\n\u2022 Praxe: konfigurace Ceph<\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 5: Pokro\u010dil\u00e9 abstrakce Kubernetes<br \/>\n\u2022 DaemonSet, StatefulSet, RBAC, Job, CronJob, Pod Scheduling, InitContainer <\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 6: \u00davod do Helm<br \/>\n\u2022 \u00davod do Helm<br \/>\n\u2022 Praxe <\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 7: Publikov\u00e1n\u00ed slu\u017eeb a aplikac\u00ed<br \/>\n\u2022 P\u0159ehled metod publikov\u00e1n\u00ed slu\u017eeb: NodePort vs LoadBalancer vs Ingress<br \/>\n\u2022 Ingress controller (Nginx): vyva\u017eujeme p\u0159\u00edchoz\u00ed provoz<br \/>\n\u2022 Cert-manager: automaticky z\u00edsk\u00e1v\u00e1me certifik\u00e1ty SSL\/TLS<br \/>\n\u2022 Praxe<\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 8: Logov\u00e1n\u00ed a monitoring<br \/>\n\u2022 Monitoring clustru, Prometheus<br \/>\n\u2022 Logov\u00e1n\u00ed clustru, Fluentd\/Elastic\/Kibana<br \/>\n\u2022 Praxe<\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 9: CI\/CD, budov\u00e1n\u00ed nasazen\u00ed do clustru od nuly<\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 10: Praktick\u00e1 pr\u00e1ce, dockerizace aplikace a spu\u0161t\u011bn\u00ed v clusterech<\/p>\n<p><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/slurm.io\/?utm_source=habr\">Web Sl\u00ebrm<\/a><\/noindex><\/p>\n<p><\/p>\n<p><strong>MegaSl\u00ebrm: pokro\u010dil\u00fd kurz (31. kv\u011btna \u2013 2. \u010dervna)<\/strong><br \/>\nUr\u010deno pro in\u017een\u00fdry a architekty Kubernetes, stejn\u011b jako pro absolventy z\u00e1kladn\u00edho kurzu.<br \/>\nNastavujeme klastr tak, abychom mohli paraleln\u011b spustit aktualizaci komponent klastru a nasazen\u00ed do klastru.<\/p>\n<p><\/p>\n<p>Cena: 60 tis\u00edc (45 tis\u00edc pro \u00fa\u010dastn\u00edky Sl\u00ebrm-4)<\/p>\n<p>\n<b class=\"spoiler_title\">Program<\/b><\/p>\n<p>T\u00e9ma \u010d. 1: Proces vytv\u00e1\u0159en\u00ed odoln\u00e9ho klastru zevnit\u0159<br \/>\n\u2022 Pr\u00e1ce s Kubespray<br \/>\n\u2022 Instalace dal\u0161\u00edch komponent\u016f<br \/>\n\u2022 Testov\u00e1n\u00ed a troubleshooting klastru<br \/>\n\u2022 Praxe<\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 2: Autorizace v klastru pomoc\u00ed extern\u00edho poskytovatele<br \/>\n\u2022 LDAP (Nginx + Python)<br \/>\n\u2022 OIDC (Dex + Gangway)<br \/>\n\u2022 Praxe<\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 3: Network policy<br \/>\n\u2022 \u00davod do CNI<br \/>\n\u2022 Network Security Policy<br \/>\n\u2022 Praxe<\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 4: Bezpe\u010dn\u00e9 a vysoce dostupn\u00e9 aplikace v klastru<br \/>\n\u2022 PodSecurityPolicy<br \/>\n\u2022 PodDisruptionBudget <\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 5: Kubernetes. Nahl\u00e9dnut\u00ed pod kapotu<br \/>\n\u2022 Struktura kontroleru<br \/>\n\u2022 Oper\u00e1to\u0159i a CRD<br \/>\n\u2022 Praxe <\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 6: Stateful aplikace v klastru<br \/>\n\u2022 Spu\u0161t\u011bn\u00ed klastru DB na p\u0159\u00edkladu PostgreSQL<br \/>\n\u2022 Spu\u0161t\u011bn\u00ed klastru RabbitMQ<br \/>\n\u2022 Praxe <\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 7: \u00daschova tajemstv\u00ed<br \/>\n\u2022 Spr\u00e1va tajemstv\u00ed v Kubernetes<br \/>\n\u2022 Vault<\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 8: Horizontal Pod Autoscaler<br \/>\n\u2022 Teorie<br \/>\n\u2022 Praxe<\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 9: Z\u00e1lohov\u00e1n\u00ed a obnova po poruch\u00e1ch<br \/>\n\u2022 Z\u00e1loha a obnova klastru pomoc\u00ed Heptio Velero (d\u0159\u00edve Ark) a etcd<br \/>\n\u2022 Praxe<\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 10: Nasazen\u00ed aplikace<br \/>\n\u2022 Lint<br \/>\n\u2022 N\u00e1stroje pro templating a deployment<br \/>\n\u2022 Strategi\u00ed nasazen\u00ed<\/p>\n<p><\/p>\n<p>T\u00e9ma \u010d. 11: Praktick\u00e1 pr\u00e1ce<br \/>\n\u2022 Budov\u00e1n\u00ed CI\/CD pro nasazen\u00ed aplikac\u00ed<br \/>\n\u2022 Aktualizace clusteru<\/p>\n<p><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/slurm.io\/mega\/?utm_source=habr\">Web MegaSlurm<\/a><\/noindex><\/p>\n<p><\/p>\n<h2 id=\"docker-ansible-i-ceph\">Docker, Ansible a Ceph<\/h2>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Slyrm: intenzivn\u00ed kurz Kubernetes. Program a bonusy\" src=\"\/wp-content\/uploads\/2019\/04\/6e9776463daae6442cc6bdd9826b6915.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><strong>Exkurze do historie<\/strong><\/p>\n<p><\/p>\n<p>Prvn\u00ed Sl\u00ebrm byl experimentem. \u0158e\u010dn\u00edci p\u0159\u00edmo na sc\u00e9n\u011b dod\u011bl\u00e1vali prezentace, zat\u00edmco v publiku sed\u011bli administr\u00e1to\u0159i takov\u00e9 \u00farovn\u011b, \u017ee by je bylo t\u0159eba pozvat jako \u0159e\u010dn\u00edky.<\/p>\n<p><\/p>\n<p>Skute\u010dn\u00fd z\u00e1kladn\u00ed kurz vznikl na druh\u00e9m Sl\u00ebrmu: 80% \u00fa\u010dastn\u00edk\u016f poprv\u00e9 vid\u011blo Kubernetes a t\u0159etina s Dockerem nikdy nepracovala.<br \/>\nBylo patrn\u00e9, jak t\u011b\u017ek\u00e9 je lidem r\u00e1no poslouchat p\u0159edn\u00e1\u0161ku o Dockeru, a ve\u010der s n\u00edm pracovat v akci.<br \/>\nMnoho obt\u00ed\u017e\u00ed zp\u016fsoboval Ceph. A v publiku bylo 20 lid\u00ed, kter\u00fdm bylo nezbytn\u00e9 vysv\u011btlit Ceph, a dal\u0161\u00edch 60, kter\u00fdm Ceph nebyl v\u016fbec pot\u0159eba. <\/p>\n<p><\/p>\n<p>Na t\u0159et\u00edm Sl\u00ebrmu jsme vy\u010dlenili Docker a Ansible na samostatn\u00e9 webin\u00e1\u0159e, co\u017e n\u00e1m uvolnilo v\u00edce \u010dasu pro Kubernetes. Rozhodnut\u00ed se uk\u00e1zalo jako praktick\u00e9 v z\u00e1sad\u011b, ale nepoda\u0159ilo se n\u00e1m ho dob\u0159e realizovat: p\u0159edn\u00e1\u0161ka nezaj\u00edmala zku\u0161en\u00e9 kluky a diskuse byla pro nov\u00e1\u010dky.<\/p>\n<p><\/p>\n<p>Na \u010dtvrt\u00fd Sl\u00ebrm jsme vytvo\u0159ili online kurzy o Dockeru, Ansible a Ceph. My\u0161lenka je jednoduch\u00e1: kdo pot\u0159ebuje, ten si kurz pe\u010dliv\u011b projde, kdo ne, m\u016f\u017ee ho klidn\u011b ignorovat. Podle skupiny tester\u016f kurz o Dockeru trv\u00e1 6-8 hodin. Ansible a Ceph jsme je\u0161t\u011b nem\u011b\u0159ili.<\/p>\n<p><\/p>\n<p><strong>Disklaimer:<\/strong><\/p>\n<p><\/p>\n<ul>\n<li>kurz je experiment\u00e1ln\u00ed. N\u011bkter\u00e1 \u0159e\u0161en\u00ed se jist\u011b uk\u00e1\u017eou jako ne\u00fasp\u011b\u0161n\u00e1.<\/li>\n<li>platforma (Stepik.org) je syrov\u00e1 a d\u0159\u00edve jsme s n\u00ed nepracovali. Ur\u010dit\u011b dojde k probl\u00e9m\u016fm a zadrh\u00e1v\u00e1n\u00edm.<\/li>\n<li>kurs byl testov\u00e1n pouze na zam\u011bstnanc\u00edch Southbridge. Ur\u010dit\u011b bude nutn\u00e9 n\u011bco dod\u011bl\u00e1vat za pochodu.<\/li>\n<\/ul>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Slyrm: intenzivn\u00ed kurz Kubernetes. Program a bonusy\" src=\"\/wp-content\/uploads\/2019\/04\/6db5f30c830bb1c44141643f39b0b168.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Teprve p\u0159ed p\u00e1r dny se v chatu prvn\u00edho Sl\u00ebrmu vzpom\u00ednalo, jak bylo skv\u011bl\u00e9 a z\u00e1bavn\u00e9, navzdory v\u0161em organiza\u010dn\u00edm hr\u016fz\u00e1m. Prvn\u00edm se dost\u00e1v\u00e1 nejjasn\u011bj\u0161\u00edch dojm\u016f. Uvid\u00edme, co se stane s prvn\u00edmi \u017e\u00e1ky online kurz\u016f. \ud83d\ude42<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Slyrm: intenzivn\u00ed kurz Kubernetes. Program a bonusy\" src=\"\/wp-content\/uploads\/2019\/04\/bdf83b60413a7b694b4de02ce1322021.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/449490\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>27-29 \u043c\u0430\u044f \u043c\u044b \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u043c \u0447\u0435\u0442\u0432\u0435\u0440\u0442\u044b\u0439 \u0421\u043b\u0451\u0440\u043c: \u0438\u043d\u0442\u0435\u043d\u0441\u0438\u0432 \u043f\u043e Kubernetes. \u0411\u043e\u043d\u0443\u0441: \u043e\u043d\u043b\u0430\u0439\u043d-\u043a\u0443\u0440\u0441\u044b \u043f\u043e Docker, Ansible, Ceph \u041c\u044b \u0432\u044b\u0432\u0435\u043b\u0438 \u0438\u0437 \u0421\u043b\u0451\u0440\u043c\u0430 \u0442\u0435\u043c\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u0430\u0436\u043d\u044b \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 Kubernetes, \u043d\u043e \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e \u043a k8s \u043d\u0435 \u043e\u0442\u043d\u043e\u0441\u044f\u0442\u0441\u044f. \u041a\u0430\u043a, \u043f\u043e\u0447\u0435\u043c\u0443 \u0438 \u0447\u0442\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c \u2014 \u043f\u043e\u0434 \u043a\u0430\u0442\u043e\u043c. \u0412\u0441\u0435 \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u0438 \u0421\u043b\u0451\u0440\u043c\u0430-4 \u043f\u043e\u043b\u0443\u0447\u0430\u0442 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u044d\u0442\u0438\u043c \u043a\u0443\u0440\u0441\u0430\u043c. \u041f\u043e\u043b\u043d\u044b\u0439 \u043c\u0430\u043d\u0438\u0431\u0435\u043a \u0432 \u043f\u0435\u0440\u0432\u044b\u0439 \u0434\u0435\u043d\u044c \u041d\u0430 \u043f\u0438\u0442\u0435\u0440\u0441\u043a\u043e\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":24202,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-32389","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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