K8 Cluster auto-deployment scripts

Terraform scripts to quickly deploy a kubernetes cluster on vmware with linux vms

k8cluster

Basic bare metal autodeployment of a kubernetes cluster on vmware with ubuntu vms
using terraform and shell scripts

• metallb loadbalancer

k8cluster-kubespray

Advanced kubenetes cluster on vmware using kubespray ansible playbooks from the kubespray github
HA cluster multiple master nodes with etcd

more info: playbook from https://github.com/kubernetes-sigs/kubespray

ansible fixed at 2.9.14 to fix
ERROR! 'dict object' has no attribute 'pkg_mgr'
kubernetes-sigs/kubespray#6762

Demo workloads

Deploy demo worloads in he kubernetes cluster deployment scripts in .\scripts

Socks webshop - microservices

1. install istio in the k8 cluster
istioctl install
2. install socks shop
powershell -file ../demo-loads/sock-shop/deploy-socks-shop.ps1
3. install addon like kiala console see addon section
run it with: istioctl dashboard kiala

https://github.com/martijnxd/terraform-k8-baremetal-cls/tree/main/demo-loads/sock-shop
source:
https://github.com/microservices-demo/microservices-demo

Bookinfo

https://istio.io/latest/docs/examples/bookinfo/

Fortio load generator

Generate workload with this tool

go get fortio.org/fortio
https://github.com/fortio/fortio

fortio load -c 32 -qps 25 -t 30s http://sockshop.local/

Retro dos games : monkey island

Fun project to run old dos games in kubernetes:
https://github.com/paolomainardi/additronk8s-retrogames-kubernetes-controller

example monkeyisland:

1. in a working k8 cluster
2. powershell -file scripts\deploy-monkeyisland.ps1
3. give hostname for istio rules
4. acces monkeyisland using a browser to the givven hostname
or without istio:
3. kubectl -n games port-forward svc/monkeyisland 8080:8080 8081:8081
4. http://localhost:8080/

addons

grafana: 
kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.8/samples/addons/grafana.yaml
kiali: 
kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.8/samples/addons/kiali.yaml
jaeger: 
kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.8/samples/addons/jaeger.yaml
prometheus: 
kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.8/samples/addons/prometheus.yaml
zipkin: 
kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.8/samples/addons/extras/zipkin.yaml
cert manager: 
https://github.com/jetstack/cert-manager

istio

manage network traffic https://istio.io/latest/

install using istioctl:
istioctl install

custom port 
kubectl -n istio-system patch svc istio-ingressgateway --type=json -p='[{"op": "add","path": "/spec/ports/-","value": {"name":"monkeyisland","nodePort":3199,"port":99,"protocol":"TCP","targetPort":99}}]' --dry-run=true -o yaml | kubectl apply -f -

Refs

https://github.com/jetstack/cert-manager
https://metallb.universe.tf/
https://istio.io/
https://github.com/kubernetes-sigs/kubespray
https://github.com/projectcalico/calico
https://github.com/rancher
https://github.com/paolomainardi/additronk8s-retrogames-kubernetes-controller
https://dosgames.com/