Kubectl
From John Freier
Kubectl is an application that interacts with Kubernetes clusters.
Check the context
This checks who kubectl is connected to.
kubectl config current-context
Apply a configuration yaml file.
kubectl apply -f [name_of_file]
Get the configuration yaml file.
kubectl get pod [podname] --namespace [namespace] -o yaml
Deploy
Get Deployments
kubectl get deployments --namespace=cs
Delete Deployments
kubectl delete deployment [name_of_deployment] --namespace=cs
Pods
Get Pods
This gets all the pods.
kubectl get pods --namespace cs
Delete a pod
kubectl delete pod [pod_name]
Remote in to a pod
This will allow you to execute a command which in the example below it will start up a shell.
kubectl exec --stdin --tty [pod_name] --namespace [namespace] -- /bin/sh
Volume
List Persistent Volumes Claims
kubectl describe pvc --namespace=cs
Logs
Get the logs from a pod.
kubectl logs -p [pod_name] --namespace=cs
For any sidecars you may need to specifiy a container.
kubectl logs -p [pod_name] --namespace=cs --container gce-proxy
You can also follow the logs live with the following flaf.
--follow
Events
Get a list of events.
kubectl get events
Extra commands to help.
If you have to include a name space.
--namespace scdf-jf
To be past any SSL issues.
--insecure-skip-tls-verify