166 lines
2.4 KiB
Org Mode
166 lines
2.4 KiB
Org Mode
#+TITLE: K8s & Homelabbing
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* Hva er kubernetes?
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#+ATTR_ORG: :width 900
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[[./images/k8s-logo.png]]
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** "An Operating system for the cloud"
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- Mange distribusjoner!
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- Massevis av "kubernetes programmer"
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** Distribuert konfigurasjonssystem
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- Nodes
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- Master nodes
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- Worker nodes
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- Komponenter som leser konfigurasjonen
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- kubelet
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- overlay network
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- service proxy
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- load balancer
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- storage manager
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- ingress manager
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- ...
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* Hvorfor kjøre homelab?
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- Læring
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- Kostnad
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- Privacy
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- Morro!
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[[./images/nextcloud.png]]
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* Hva kjører i min homelab?
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- Nextcloud
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- Gitea
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- Drone cicd
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- chat-bots
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- aur repo
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- openldap
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- bitwarden
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- mail server
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- backup
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- jellyfin (soon(tm))
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- k8s componenter!
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- k3s
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- openebs
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- cert-manager
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- loki
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- prometheus
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- grafana
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- container registry
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- nginx ingress controller
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- FluxCD
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* Hvordan kjøre din egen k8s?
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- k3s
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- rancher
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- k0s
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- minikube
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- ...
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** Med docker!
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- k3d
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- kind
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** Yaml, yaml, yaml, yaml...
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* Hardware
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- Single machine
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- Raspberry pi cluster
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- online vps
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- Virtuelle maskinger
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- Cross-cloud
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- Hybrid cloud
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** Hva hvis nodes ikke er på samme nettverk?
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Wireguard!
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* K3s
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** Kommer med mye essentials ut av boksen
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- Flannel overlay
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- Traefik ingress
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- KlipperLB LoadBalancer
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- LocalProvisioner StorageClass
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- CoreDNS
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** Lightweight og Customizable
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- Single Binary
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- Nesten alle komponenter kan byttes ut
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** Bygget mer for "utradisjonelle" k8s miljø
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- Flannel
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- KlipperLB
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* Hvordan putter jeg ting i clusteret?
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** Manuelt
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- docker hub
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- MER YAML!
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** Helm!
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- artifacthub
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** Fluxcd!
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* Gode ressurser / Ting å google
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** Youtube
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- Jeff Geerling
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- TechnoTim
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- Just me and opensource
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- Level1Techs
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** Reddit
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- /r/selfhosted
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- /r/DataHoarder
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- /r/homelab
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- /r/HomeServer
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- /r/k3s
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- /r/rancher
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- /r/linux
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** StackExchange
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* Demo?
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#+begin_src bash :results drawer replace
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k3d cluster delete
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k3d cluster create -p "8081:80@loadbalancer" --agents 2
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#+end_src
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#+begin_src bash :results drawer replace
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kubectl get nodes
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#+end_src
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#+begin_src bash :results drawer replace
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kubectl get pods -A -o wide
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#+end_src
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#+begin_src bash :results drawer replace
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helm repo add podinfo https://stefanprodan.github.io/podinfo
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helm install podinfo podinfo/podinfo --set ingress.enabled=true
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#+end_src
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#+begin_src bash :results drawer replace
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curl -H 'Host: podinfo.local' localhost:8081
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#+end_src
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