k8s-workshop

• Day 1

  • Motivation
  • Overview
    • History
    • Architecture
    • Components
    • Tools
      • Minikube
      • kubectl
      • kubeadm
  • Objects: https://kubernetes.io/docs/concepts
    • Pod: https://kubernetes.io/docs/concepts/workloads/pods/pod-overview
    • ReplicaSet: https://kubernetes.io/docs/concepts/workloads/controllers/replicaset
    • Deployment: https://kubernetes.io/docs/concepts/workloads/controllers/deployment
    • Service: https://kubernetes.io/docs/concepts/services-networking/service
      • Create deployment with container image: joffotron/docker-net-tools
      • kubectl edit deployment/
        • command: ["/bin/sh"]
        • args: ["-c", "while true; do echo hello; sleep 10;done"]
      • kubectl exec -it sh
      • curl $HELLO_MINIKUBE_SERVICE_HOST:$HELLO_MINIKUBE_SERVICE_PORT
    • Ingress: https://kubernetes.io/docs/concepts/services-networking/ingress
    • Horizontal Pod Autoscaler: https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale
      • kubectl run resource-consumer --image=k8s.gcr.io/resource_consumer:beta --expose --service-overrides='{ "spec": { "type": "NodePort" } }' --port 8080
      • Add resource limit: https://kubernetes.io/docs/tasks/configure-pod-container/assign-cpu-resource
        • kubectl edit deployment/resource-consumer
        • limit: 0.7, requested: 0.1
      • kubectl autoscale deployment resource-consumer --min=1 --max=10 --cpu-percent=80
      • curl --data "millicores=300&durationSec=600" http://10.0.2.15:/ConsumeCPU
    • Persistent Volumes: https://kubernetes.io/docs/concepts/storage/persistent-volumes
    • Secrets: https://kubernetes.io/docs/concepts/configuration/secret

• Day 2

  • Installation
    • Master
    • Node
  • Setup
    • Dashboard
    • Helm
    • Persistent storage
    • Loadbalancer
    • Docker registry
    • Jenkins
    • Monitoring