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docs/k8s_presentation.org
Andreas Larsen a759e4927d
k8s presentation
2022-10-30 21:31:40 +01:00

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Hva er kubernetes?

"An Operating system for the cloud"

  • Mange distribusjoner!
  • Massevis av "kubernetes programmer"

Distribuert konfigurasjonssystem

  • Nodes

    • Master nodes
    • Worker nodes

  • Komponenter som leser konfigurasjonen

    • kubelet
    • overlay network
    • service proxy
    • load balancer
    • storage manager
    • ingress manager
    • …

Hvorfor kjøre homelab?

  • Læring
  • Kostnad
  • Privacy
  • Morro!

Hva kjører i min homelab?

  • Nextcloud
  • Gitea
  • Drone cicd
  • chat-bots
  • aur repo
  • openldap
  • bitwarden
  • mailserver
  • backup
  • jellyfin (soon(tm))

  • k8s componenter!

    • k3s
    • openebs
    • cert-manager
    • loki
    • grafana
    • container registry
    • nginx ingress controller

Hvordan kjøre din egen k8s?

  • k3s
  • rancher
  • k0s
  • minikube
  • …

Med docker!

  • k3d
  • kind

Hardware

  • Single machine
  • Raspberry pi cluster
  • online vps
  • Virtuelle maskinger
  • Cross-cloud
  • Hybrid cloud

Hva hvis nodes ikke er på samme nettverk?

Wireguard!

Gode ressurser / Ting å google

Youtube

  • Jeff Geerling
  • TechnoTim
  • Just me and opensource
  • Level1Techs

Reddit

  • selfhosted
  • homelab
  • datahoarder
  • k3s

Demo? 

  k3d cluster create -p "8081:80@loadbalancer" --agents 2 
  kubectl get nodes

  kubectl get pods -A

  helm repo add podinfo https://stefanprodan.github.io/podinfo

  helm install podinfo podinfo/podinfo --set ingress.enabled=true


  curl -H 'Host: podinfo.local' localhost:8081