Kubernetes: Service Types, External Exposure & MetalLB Load Balancing [Dual Stack Bare Metal K8s]
Feeling lost in the labyrinth of Kubernetes networking? Never fear! This video is your guide to understanding services, exploring different service types, and exposing your applications to the external world.
We'll dive deep using a real-world example: a three-node, bare metal Kubernetes cluster configured in dual-stack mode. To conquer load balancing, we'll unveil the power of MetalLB in Layer2.
Here's what you'll learn:
-The fundamentals of Kubernetes services
Demystifying different service types
Exposing your application outside the cluster
Unveiling the magic of MetalLB for load balancing (Layer2 mode)
Setting up and configuring MetalLB
Exploring the features MetalLB offers
New to Kubernetes? No problem! We'll break down the concepts in an easy-to-understand way.
00:00 Introduction
00:42 Network Topology
02:44 Pod to Pod communication
06:20 Headless service
07:47 ClusterIP service
09:59 ClusterIP IPv6 service
11:19 External IP
12:55 NodePort service
14:49 Load Balancer service
16:24 What is MetalLB?
16:49 MetalLB installation
18:51 How L2 advertisement works
19:36 MetalLB limitations in L2 mode
20:23 Requesting specific VIP
20:59 Load balancer Local traffic policy
22:32 Sharing VIP address