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The chapter 'Generating Kubernetes Configuration Files for Authentication' is updated.

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docs/05-kubernetes-configuration-files.md
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@@ -2,6 +2,9 @@
In this chapter, you will generate [Kubernetes configuration files](https://kubernetes.io/docs/concepts/configuration/organize-cluster-access-kubeconfig/), also known as kubeconfigs, which enable Kubernetes clients to locate and authenticate to the Kubernetes API Servers. In this chapter, you will generate [Kubernetes configuration files](https://kubernetes.io/docs/concepts/configuration/organize-cluster-access-kubeconfig/), also known as kubeconfigs, which enable Kubernetes clients to locate and authenticate to the Kubernetes API Servers.
**All procedures in this chapter should be done in `client-1`.**
## Client Authentication Configs ## Client Authentication Configs
In this section you will generate kubeconfig files for the `controller manager`, `kubelet`, `kube-proxy`, and `scheduler` clients and the `admin` user. In this section you will generate kubeconfig files for the `controller manager`, `kubelet`, `kube-proxy`, and `scheduler` clients and the `admin` user.
@@ -25,7 +28,7 @@ When generating kubeconfig files for Kubelets the client certificate matching th
Generate a kubeconfig file for each worker node: Generate a kubeconfig file for each worker node:
``` ```
for instance in worker-1 worker-2 worker-3; do $ for instance in worker-1 worker-2 worker-3; do
kubectl config set-cluster kubernetes-the-hard-way \ kubectl config set-cluster kubernetes-the-hard-way \
--certificate-authority=ca.pem \ --certificate-authority=ca.pem \
--embed-certs=true \ --embed-certs=true \
@@ -60,7 +63,7 @@ worker-3.kubeconfig
Generate a kubeconfig file for the `kube-proxy` service: Generate a kubeconfig file for the `kube-proxy` service:
``` ```
{ $ {
kubectl config set-cluster kubernetes-the-hard-way \ kubectl config set-cluster kubernetes-the-hard-way \
--certificate-authority=ca.pem \ --certificate-authority=ca.pem \
--embed-certs=true \ --embed-certs=true \
@@ -93,7 +96,7 @@ kube-proxy.kubeconfig
Generate a kubeconfig file for the `kube-controller-manager` service: Generate a kubeconfig file for the `kube-controller-manager` service:
``` ```
{ $ {
kubectl config set-cluster kubernetes-the-hard-way \ kubectl config set-cluster kubernetes-the-hard-way \
--certificate-authority=ca.pem \ --certificate-authority=ca.pem \
--embed-certs=true \ --embed-certs=true \
@@ -127,7 +130,7 @@ kube-controller-manager.kubeconfig
Generate a kubeconfig file for the `kube-scheduler` service: Generate a kubeconfig file for the `kube-scheduler` service:
``` ```
{ $ {
kubectl config set-cluster kubernetes-the-hard-way \ kubectl config set-cluster kubernetes-the-hard-way \
--certificate-authority=ca.pem \ --certificate-authority=ca.pem \
--embed-certs=true \ --embed-certs=true \
@@ -160,7 +163,7 @@ kube-scheduler.kubeconfig
Generate a kubeconfig file for the `admin` user: Generate a kubeconfig file for the `admin` user:
``` ```
{ $ {
kubectl config set-cluster kubernetes-the-hard-way \ kubectl config set-cluster kubernetes-the-hard-way \
--certificate-authority=ca.pem \ --certificate-authority=ca.pem \
--embed-certs=true \ --embed-certs=true \
@@ -196,7 +199,7 @@ Copy the appropriate `kubelet` and `kube-proxy` kubeconfig files to each worker
``` ```
$ USERNAME=<User Name of Virtual Machines> $ USERNAME=<User Name of Virtual Machines>
$ for num in 1 2 3; do $ for num in 1 2 3; do
scp -i ~/.ssh/id_rsa-k8s.pub worker-${num}.kubeconfig kube-proxy.kubeconfig ${USERNAME}@10.240.0.2${num}:~/ scp -i ~/.ssh/id_rsa-k8s worker-${num}.kubeconfig kube-proxy.kubeconfig ${USERNAME}@10.240.0.2${num}:~/
done done
``` ```