Running Jenkins in Kubernetes (AWS)

Installing Jenkins CI in Kubernests and building containers with Kaniko

Prerequsites

• Virtual Machine running Ubuntu 22.04 or newer

Update Package Repository and Upgrade Packages

sudo apt update
sudo apt upgrade

Create Kubernetes Cluster

sudo bash
curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="server" sh -s - --disable traefik
exit 
mkdir .kube
sudo cp /etc/rancher/k3s/k3s.yaml ./config
sudo chown dmistry:dmistry config
chmod 400 config
export KUBECONFIG=~/.kube/config

Installs Jenkins

Install helm chart and update repo

helm repo add jenkinsci https://charts.jenkins.io
helm repo update

Create Namespace

Run from shell prompt

kubectl create ns jenkins

Download YAML files

Run from shell prompt

wget https://raw.githubusercontent.com/dmancloud/jenkins-kubernetes-kaniko/main/jenkins-sa.yaml
wget https://raw.githubusercontent.com/dmancloud/jenkins-kubernetes-kaniko/main/jenkins-volume.yaml
wget https://raw.githubusercontent.com/dmancloud/jenkins-kubernetes-kaniko/main/values.yaml

Create a secret for Dockerhub

Run from shell prompt

kubectl create secret docker-registry docker-credentials --docker-username=[userid] --docker-password=[Docker Hub access token] --docker-email=[user email address] --namespace jenkins

Finally install Jenkins CI

Run from shell prompt

helm upgrade --install jenkins jenkinsci/jenkins -n jenkins --create-namespace -f values.yaml