Day 1 – Kubernetes Sept 2023

Master
- API 		- POD -> Container -> Image -> Google Regi
- Etcd		- POD -> Container -> Image -> Google Regi
- Schedualar	- POD -> Container -> Image -> Google Regi
- Controller	- POD -> Container -> Image -> Google Regi
- Proxy 	- POD -> Container -> Image -> Google Regi

kubeadm init
Kubelet
Docker - ContainerD
kubectl



Worker
- Proxy 	- POD -> Container -> Image -> Google Regi

kubeadm join
Kubelet
Docker - ContainerD
kubectl


Workstation
- kubectl
===============================================================
===============================================================
Master - 107.21.2.54
Worker 1 - 100.25.139.92
Worker 2 - 52.91.119.120
-------------------------------
https://www.devopsschool.com/blog/kubernetes-1-23-6-cluster-setup-master-and-worker-in-ubuntu-20-04/

Workstation
How kubectl connect to API server?
=======================================

kubectl 
	Read one file
	~/.kube/config


What is content of this config file?
==========================================
YAML FILE


Clustor(S)
	- Clustor 1 - api server
	- Clustor 2 - api server

User(S)
	- user 1 + cert
	- user 2 + cert


Context(S)
	context1 = Clustor 1 +  user 2 + cert

curr-context -= context1



  41  kubectl get pods -A
   42  clear
   43  kubectl
   44  kubectl config view
   45  more ~/.kube/config
   46  kubectl get nodes
   47  kubectl get pods -A
   48  kubectl
   49  kubectl api-resources
   50  kubectl api-resources | wc -l
   51  kubectl
   52  kubectl cluster-info