install-and-configure-kubectl.md

Install and configure the kubectl CLI

Install kubectl

laptop

Linux

curl -O https://storage.googleapis.com/bin.kuar.io/linux/kubectl
chmod +x kubectl
sudo cp kubectl /usr/local/bin/kubectl

OS X

curl -O https://storage.googleapis.com/bin.kuar.io/darwin/kubectl
chmod +x kubectl
sudo cp kubectl /usr/local/bin/kubectl

Configure kubectl

Download the client credentials and CA cert:

gcloud compute copy-files node0:~/admin-key.pem .
gcloud compute copy-files node0:~/admin.pem .
gcloud compute copy-files node0:~/ca.pem .

Get the Kubernetes controller external IP:

EXTERNAL_IP=$(gcloud compute ssh node0 --command \
  "curl -H 'Metadata-Flavor: Google' \
   http://metadata.google.internal/computeMetadata/v1/instance/network-interfaces/0/access-configs/0/external-ip")

Create the workshop cluster config:

kubectl config set-cluster workshop \
--certificate-authority=ca.pem \
--embed-certs=true \
--server=https://${EXTERNAL_IP}:6443

Add the admin user credentials:

kubectl config set-credentials admin \
--client-key=admin-key.pem \
--client-certificate=admin.pem \
--embed-certs=true

Configure the workshop context:

kubectl config set-context workshop \
--cluster=workshop \
--user=admin

kubectl config use-context workshop

kubectl config view

Explore the kubectl CLI

Check the health status of the cluster components:

kubectl get cs

List pods:

kubectl get pods

List nodes:

kubectl get nodes

List services:

kubectl get services