[07] Deploying a Load Balancer to a Kubernetes Cluster

In this video I am deploying the metallb load balancer to my cluster. The load balancer is required to manage the assignment of external IP address to my services that are defined as type load balancer. With an external IP address I can route external traffic into my cluster and make services available across my network and the internet if I wish to do so. I walk through the basics of a load balancer, go over the special configurations that are requiered to make the load balancer work, install metallb through helm and demonstrate deploying an application with and without load balancer.
Chapters
0:00 Why we need a load balancer
1:45 Deploying an application without a load balancer
5:14 Introduction into Metallb
6:15 Installtion prep for Metallb
7:11 Modifying kube-proxy config map in kube-system namespace
9:01 Installation instructions for Metallb
10:05 Configure and install metallb through helm
15:56 Setup namespace for metallb with privileged labels
19:25 Installing Metallb
21:00 Reviewing the Metallb loadbalancer configuration for kubernetes
23:25 Configuring layer 2 for Metallb loadbalancer
26:06 Configuring advertisement of IP addresses for the Metallb loadbalancer
27:24 Review deployment for the assignment of ip address to laod balancer service
29:11 Removing and re-deploying application with a load balancer service
31:17 Summary
Commands
7:30 kubectl edit cm kube-proxy -n kube-system
10:13 helm repo add metallb metallb.github...
11:35 helm show values metallb/metallb < metallb-values.yaml
19:23 helm install metallb metallb/metallb -n metallb-system -f metallb-values.yaml
YAML Files
17:36 Creation of privileged namespace
apiVersion: v1
kind: Namespace
metadata:
name: metallb-system
labels:
pod-security.kubernetes.io/enforce: privileged
pod-security.kubernetes.io/audit: privileged
pod-security.kubernetes.io/warn: privileged
23:38 IP Address Range configuration for metallb
apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
name: ip-range
namespace: metallb-system
spec:
addresses:
- 192.168.150.230 - 192.168.150.240
26:15 Advertisement
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
name: announceing-ip
namespace: metallb-system
Sources
Metallb Load Balancer - metallb.univer...
FR Routing - frrouting.org/
Credit for the nginx deployment - / @justmeandopensource , github.com/jus...

[@BadSanta514]

@ILoveOpenSourceSoftware great content! Thank you very much and please continue develop your channel

[@ILoveOpenSourceSoftware]

Hi @BadSanta514 Thanks for your encouraging words. I am going to try my best. Let me know if you want to see something in particular. I am always open for inspiration and new ideas.