USAC SQUID GAME

Installing gcloud command

echo "deb [signed-by=/usr/share/keyrings/cloud.google.gpg] https://packages.cloud.google.com/apt cloud-sdk main" | sudo tee -a /etc/apt/sources.list.d/google-cloud-sdk.list
sudo apt-get install apt-transport-https ca-certificates gnupg
curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key --keyring /usr/share/keyrings/cloud.google.gpg add -
sudo apt-get update && sudo apt-get install google-cloud-sdk
gcloud init

Create cluster

gcloud container clusters create k8s-demo --num-nodes=1 --tags=allin,allout --machine-type=n1-standard-2 --no-enable-network-policy

Installing helm

curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
chmod 700 get_helm.sh
./get_helm.sh

Install kubeclt stable version

curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl
kubectl version --client

Configure kubectl to connect to your cluster

gcloud container clusters get-credentials k8s-demo --zone us-central1-c --project sopes1-323620
kubectl get nodes

Installing NGINX ingress controller

kubectl create ns nginx-ingress
helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx 
helm repo update 
helm install nginx-ingress ingress-nginx/ingress-nginx -n nginx-ingress
kubectl get services -n nginx-ingress

Installing Docker

sudo apt-get install docker.io
sudo usermod -aG docker developer

Building myapp image

/bin/bash build.sh 

Install Linkerd

curl -fsL https://run.linkerd.io/install | sh
nano ~/.bashrc <- export PATH=$PATH:/home/YOUR_USER/.linkerd2/bin

linkerd install | kubectl apply -f -
linkerd check
linkerd viz install | kubectl apply -f -
linkerd check

Open Linkerd dashboard

linkerd viz dashboard

Install a kubectl specific version

curl -LO https://dl.k8s.io/release/v1.20.0/bin/linux/amd64/kubectl
sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl

Inject NGINX ingress-controller

kubectl get deployment nginx-ingress-ingress-nginx-controller -n nginx-ingress  -o yaml | linkerd inject - | kubectl apply -f -

Check if you can find 2 pods for the NGINX ingress-controller

kubectl get pods -n nginx-ingress

Get Load Balancer IP

kubectl get svc -n nginx-ingress

Create the project

Note: You have to change the IP in the ingress definition

kubectl  apply -f squidgame.yaml 
kubectl delete -f squidgame.yaml 

Test traffic split

export LOADBALANCER_IP=X.X.X.X
for i in {0..100000}; do  curl http://${LOADBALANCER_IP}.nip.io/myapp; done

Chaos Mesh Installation

curl -sSL https://mirrors.chaos-mesh.org/v2.0.3/install.sh | bash

Opening the dashboard

kubectl port-forward -n chaos-testing svc/chaos-dashboard 2333:2333

kubectl apply -f chaos_mesh/pod-experiments.yaml

kubectl get pods -n squidgame -w