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Container image to get a consistent training environment to work on Kubernetes
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README.md Update instructions Nov 18, 2019
shpod.sh
shpod.yaml

README.md

shpod

shpod is a container image based on the Alpine distribution and embarking a bunch of tools useful when working with Kubernetes:

  • kubectl
  • helm
  • ship
  • kubectx + kubens
  • kube-ps1
  • stern
  • compose

It also includes tmux, a custom prompt, and completion for all of the above.

Its goal is to provide a normalized environment, to go with the training materials at https://container.training/, so that you can get all the tools you need regardless of your exact Kubernetes setup.

To use it, you need a Kubernetes cluster. You can use Minikube, microk8s, Docker Desktop, AKS, EKS, GKE, anything you like, really.

One-liner usage

The shpod.sh script will:

  • apply the shpod.yaml manifest to your cluster,
  • wait for the pod shpod to be ready,
  • attach to that pod,
  • delete resources created by the manifest when you exit the pod.

To execute it:

curl https://raw.githubusercontent.com/jpetazzo/shpod/master/shpod.sh | sh

If you don't like curl|sh, and/or if you want to execute things step by step, check the next section.

Step-by-step usage

  1. Deploy the shpod pod:

    kubectl apply -f https://raw.githubusercontent.com/jpetazzo/shpod/master/shpod.yaml
    
  2. Attach to the shpod pod:

    kubectl attach --namespace=shpod -ti shpod
    
  3. Enjoy!

Clean up

If you are using the shell script above, when you exit shpod, the script will delete the resources that were created.

If you want to delete the resources manually, you can use kubectl delete -f shpod.yaml, or delete the namespace shpod and the ClusterRoleBinding with the same name:

kubectl delete clusterrolebinding,ns shpod

Internal details

The YAML file is a Kubernetes manifest for a Pod, a ServiceAccount, a ClusterRoleBinding, and a Namespace to hold the Pod and ServiceAccount.

The Pod uses image jpetazzo/shpod on the Docker Hub, built from this repository (https://github.com/jpetazzo/shpod).

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