GSP-343: Optimize Costs for Google Kubernetes Engine

 1ZONE=us-central1-a
 2
 3gcloud container clusters create onlineboutique-cluster \
 4   --project=${DEVSHELL_PROJECT_ID} --zone=${ZONE} \
 5   --machine-type=n1-standard-2 --num-nodes=2
 6
 7kubectl create namespace dev
 8kubectl create namespace prod
 9
10kubectl config set-context --current --namespace dev
11
12git clone https://github.com/GoogleCloudPlatform/microservices-demo.git
13cd microservices-demo
14kubectl apply -f ./release/kubernetes-manifests.yaml --namespace dev
15
16kubectl get svc -w --namespace dev

 1gcloud container node-pools create optimized-pool \
 2   --cluster=onlineboutique-cluster \
 3   --machine-type=custom-2-3584 \
 4   --num-nodes=2 \
 5   --zone=$ZONE
 6
 7for node in $(kubectl get nodes -l cloud.google.com/gke-nodepool=default-pool -o=name); do
 8   kubectl cordon "$node";
 9done
10
11for node in $(kubectl get nodes -l cloud.google.com/gke-nodepool=default-pool -o=name); do
12   kubectl drain --force --ignore-daemonsets --delete-local-data --grace-period=10 "$node";
13done
14
15kubectl get pods -o=wide --namespace dev
16
17gcloud container node-pools delete default-pool \
18   --cluster onlineboutique-cluster --zone $ZONE

1kubectl create poddisruptionbudget onlineboutique-frontend-pdb \
2--selector app=frontend --min-available 1  --namespace dev
3
4KUBE_EDITOR="nano" kubectl edit deployment/frontend --namespace dev

1   image to gcr.io/qwiklabs-resources/onlineboutique-frontend:v2.1
2   imagePullPolicy to Always

 1kubectl autoscale deployment frontend --cpu-percent=50 \
 2   --min=1 --max=13 --namespace dev
 3
 4kubectl get hpa --namespace dev
 5
 6gcloud beta container clusters update onlineboutique-cluster \
 7   --enable-autoscaling --min-nodes 1 --max-nodes 6 --zone $ZONE
 8
 9kubectl exec $(kubectl get pod --namespace=dev | grep 'loadgenerator' | cut -f1 -d ' ') \
10   -it --namespace=dev -- bash -c "export USERS=8000; sh ./loadgen.sh"