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Kubernetes ReadOnly SA Admin and Namespace bound CRUD Admin Creator Scripts

Introduction

This repo contains shell scripts that create resources within the target cluster that will be used to generate 2 kubeconfig.yml files that need to be shared with the team at Appsecco.

The shell scripts in this repo will create the following two types of accounts

  1. A global cluster ReadOnly service account - kubernetes-readonly-admin.sh
  2. A service account bound to a specific namespace with CRUD privileges in that namespace - kubernetes-sa-pod-creator.sh

Pre-requisites

  1. A kubernetes administrator or user with the ability to create resources at cluster level, is required to run the shell script as it invokes kubectl with the user credentials.
  2. Also ensure your kubeconfig cluster context is set correctly, because the script will create resources in the current context. You can verify this using kubectl cluster-info.

Usage

Before running any of the commands below, make sure your kubectl is pointing to the correct cluster. You can verify this using kubectl cluster-info.

Only proceed if the output of kubectl cluster-info matches your expectations of the target cluster.

Kubeconfig SA ReadOnly Account

You can pass the shell script to cURL directly using the raw GitHub URL. The script creates ReadOnly resources in the target cluster.

curl -sS https://raw.githubusercontent.com/appsecco/kubernetes-ptaas-scripts/main/kubernetes-readonly-admin.sh | bash

A file called kubeconfig-sa-readonly-TIMESTAMP will be created in a folder called appsecco-k8s-assessment-kubeconfigs. For example - kubeconfig-sa-readonly-29-04-2024-16-54-28.yml

Kubeconfig SA Specific Namespace Pod Creator

You can pass the shell script to cURL directly using the raw GitHub URL. The script creates ReadOnly resources in the target cluster.

curl -sS https://raw.githubusercontent.com/appsecco/kubernetes-ptaas-scripts/main/kubernetes-sa-pod-creator.sh | bash

A file called kubeconfig-sa-pod-creator-TIMESTAMP.yml will be created in a folder called appsecco-k8s-assessment-kubeconfigs. For example - kubeconfig-sa-pod-creator-29-04-2024-18-49-38.yml

Share these yml files with Appsecco.