Kubernetes Workshop

This repsitory contains everything to host a Kubernetes workshop.

Repository structure

The repository contains all sources used in the hands-on parts of the workshop.

Services

Under services/ are all services with their source code and a Dockerfile to built the images.

• calculator backend - Small demonstration service to do the first steps with Kubernetes
• calculator frontend - A service that relies on the backend to calculate expressions

Kubernetes files

• Under k8s-examples/ you can find examples for the resources we are going to create during the workshop
• Under k8s-solutions/ you'll find all resource specifications for our services we use during the workshop.

Documentation

The docs/ folder contains all documentation available to the participants of the Workshop.

Available at itdesign.github.io/kubernetes-workshop.

Setup Google account structure

• Create a Google organization: https://gsuite.google.com/signup/gcpidentity/welcome
  • Use a custom domain which is verified using an TXT DNS record
  • Up to 50 users Google Identity is free: https://support.google.com/cloudidentity/answer/7295541
  • Create x accounts: user-$i@my-domain.com
• Add another account which hosts the projects
  • Enable billing for the account
  • Add at least $50 to the account to allow limit increases
  • Request a limit increase for the project limit inside the billing account (default: 5)
  • Create x projects

    for i in {1..30}; do gcloud projects create k8s-workshop-xyz-$i; done
    

  • Add each project to the user in Google Identity:

    for i in {1..30}; do gcloud projects add-iam-policy-binding k8s-workshop-xyz-$i --member user:user-$i@my-domain.com --role roles/editor; done

  • Enable billing and GKE clusters for all projects

    for {each project} do
      visit https://console.cloud.google.com/apis/api/container.googleapis.com/overview?project=k8s-workshop-xyz-$i
    done
    

  • Create a Kubernetes cluster in each project

    for i in {1..30}; do gcloud config set project k8s-workshop-xyz-$i -q; gcloud container clusters create my-cluster --region europe-west3 --cluster-version 1.12.8-gke.10 --num-nodes 1 --async; done
    

  • Test the status of each cluster

    for i in {1..30}; do gcloud config set project k8s-workshop-xyz-$i -q; gcloud container clusters list; done
    

  • Test the connection to the cluster

    for i in {1..30}; do gcloud config set project k8s-workshop-xyz-$i -q;  gcloud container clusters get-credentials my-cluster --region europe-west3; kubectl cluster-info; done
    

  • Delete each cluster

    for i in {1..30}; do gcloud config set project k8s-workshop-xyz-$i -q; printf '\n' | gcloud container clusters delete my-cluster --region europe-west3 --async; done