From 6ef877807dc962a6c2583ca8b4ad15af76e1be8d Mon Sep 17 00:00:00 2001
From: Mahyar Mirrashed <mah.mirr@gmail.com>
Date: Fri, 18 Apr 2025 16:26:42 -0700
Subject: [PATCH] refactor: combine scripts for creating kubernetes service
 kube configs

---
 docs/05-kubernetes-configuration-files.md | 91 +++--------------------
 1 file changed, 12 insertions(+), 79 deletions(-)

diff --git a/docs/05-kubernetes-configuration-files.md b/docs/05-kubernetes-configuration-files.md
index 3bb6d89..0fe6b4d 100644
--- a/docs/05-kubernetes-configuration-files.md
+++ b/docs/05-kubernetes-configuration-files.md
@@ -45,106 +45,39 @@ node-0.kubeconfig
 node-1.kubeconfig
 ```
 
-### The kube-proxy Kubernetes Configuration File
+### The Kubernetes Service Configuration Files
 
-Generate a kubeconfig file for the `kube-proxy` service:
+Generate a `.kubeconfig` file for the `kube-proxy`, `kube-controller-manager`, and `kube-scheduler` services:
 
 ```bash
-{
+for service in proxy controller-manager scheduler; do
   kubectl config set-cluster kubernetes-the-hard-way \
     --certificate-authority=ca.crt \
     --embed-certs=true \
     --server=https://server.kubernetes.local:6443 \
-    --kubeconfig=kube-proxy.kubeconfig
+    --kubeconfig=kube-${service}.kubeconfig
 
-  kubectl config set-credentials system:kube-proxy \
-    --client-certificate=kube-proxy.crt \
-    --client-key=kube-proxy.key \
+  kubectl config set-credentials system:kube-${service} \
+    --client-certificate=kube-${service}.crt \
+    --client-key=kube-${service}.key \
     --embed-certs=true \
-    --kubeconfig=kube-proxy.kubeconfig
+    --kubeconfig=kube-${service}.kubeconfig
 
   kubectl config set-context default \
     --cluster=kubernetes-the-hard-way \
-    --user=system:kube-proxy \
-    --kubeconfig=kube-proxy.kubeconfig
+    --user=system:kube-${service} \
+    --kubeconfig=kube-${service}.kubeconfig
 
   kubectl config use-context default \
-    --kubeconfig=kube-proxy.kubeconfig
-}
+    --kubeconfig=kube-${service}.kubeconfig
+done
 ```
 
 Results:
 
 ```text
 kube-proxy.kubeconfig
-```
-
-### The kube-controller-manager Kubernetes Configuration File
-
-Generate a kubeconfig file for the `kube-controller-manager` service:
-
-```bash
-{
-  kubectl config set-cluster kubernetes-the-hard-way \
-    --certificate-authority=ca.crt \
-    --embed-certs=true \
-    --server=https://server.kubernetes.local:6443 \
-    --kubeconfig=kube-controller-manager.kubeconfig
-
-  kubectl config set-credentials system:kube-controller-manager \
-    --client-certificate=kube-controller-manager.crt \
-    --client-key=kube-controller-manager.key \
-    --embed-certs=true \
-    --kubeconfig=kube-controller-manager.kubeconfig
-
-  kubectl config set-context default \
-    --cluster=kubernetes-the-hard-way \
-    --user=system:kube-controller-manager \
-    --kubeconfig=kube-controller-manager.kubeconfig
-
-  kubectl config use-context default \
-    --kubeconfig=kube-controller-manager.kubeconfig
-}
-```
-
-Results:
-
-```text
 kube-controller-manager.kubeconfig
-```
-
-
-### The kube-scheduler Kubernetes Configuration File
-
-Generate a kubeconfig file for the `kube-scheduler` service:
-
-```bash
-{
-  kubectl config set-cluster kubernetes-the-hard-way \
-    --certificate-authority=ca.crt \
-    --embed-certs=true \
-    --server=https://server.kubernetes.local:6443 \
-    --kubeconfig=kube-scheduler.kubeconfig
-
-  kubectl config set-credentials system:kube-scheduler \
-    --client-certificate=kube-scheduler.crt \
-    --client-key=kube-scheduler.key \
-    --embed-certs=true \
-    --kubeconfig=kube-scheduler.kubeconfig
-
-  kubectl config set-context default \
-    --cluster=kubernetes-the-hard-way \
-    --user=system:kube-scheduler \
-    --kubeconfig=kube-scheduler.kubeconfig
-
-  kubectl config use-context default \
-    --kubeconfig=kube-scheduler.kubeconfig
-}
-```
-
-Results:
-
-```text
 kube-scheduler.kubeconfig
 ```