GSP053.md

GSP053 - Managing Deployments Using Kubernetes Engine

Setup

1. Set zone

   gcloud config set compute/zone us-central1-f

2. sample code

   gsutil -m cp -r gs://spls/gsp053/orchestrate-with-kubernetes .
   cd orchestrate-with-kubernetes/kubernetes

3. Create cluster

   gcloud container clusters create bootcamp \
   --machine-type e2-small \
   --num-nodes 3 \
   --scopes "https://www.googleapis.com/auth/projecthosting,storage-rw"

Task 1. Learn about the deployment object

1. Learn command

   kubectl explain deployment

   kubectl explain deployment --recursive

   kubectl explain deployment.metadata.name

Task 2. Create a deployment

1. Ubah konfigurasi

   nano vi deployments/auth.yaml

2. Create Deployment

   kubectl create -f deployments/auth.yaml

3. Verify / View

   kubectl get deployments
   kubectl get replicasets
   kubectl get pods

4. Buat service

   kubectl create -f services/auth.yaml

5. Deploy and expose

   kubectl create -f deployments/hello.yaml
   kubectl create -f services/hello.yaml

6. More

   kubectl create secret generic tls-certs --from-file tls/
   kubectl create configmap nginx-frontend-conf --from-file=nginx/frontend.conf
   kubectl create -f deployments/frontend.yaml
   kubectl create -f services/frontend.yaml

7. Scale

kubectl explain deployment.spec.replicas
kubectl scale deployment hello --replicas=5
kubectl get pods | grep hello- | wc -l
kubectl scale deployment hello --replicas=3

Task 3. Rolling update

1. Update deployment

   kubectl edit deployment hello

Task 4. Canary deployments

Task 5. Blue-green deployments