Useful Kubernetes Commands

Check Current Kubernetes Cluster Context

kubectl config current-context

Switch to Another Zone K8S Cluster

See a complete list of GCP regions and zones here.

gcloud config set compute/zone us-central1-a
gcloud container clusters create [CLUSTER_NAME]
gcloud container clusters get-credentials u[CLUSTER_NAME]

Upload Secret to GKE cluster

Assuming your local copy of credentials JSON file is at config/credentials.json,

kubectl create secret generic credentials-key --from-file=key.json=config/credentials.json

Deploy/Delete Spaner Prober using Current K8S

kubectl create -f config/kube.yaml
kubectl delete deployment spanner-prober

Check Deployment(Pod) Status

➜  spannerprober git:(master) ✗ kubectl get pods
NAME                              READY     STATUS    RESTARTS   AGE
spanner-prober-65b5b4445d-cc6wr   1/1       Running   0          7s

Check Logs

kubectl logs -lapp="spanner-prober-app"