쿠버네티스(k3s) 설치

# k3s 설치
curl -sfL https://get.k3s.io | sh -

# kubeconfig 설정
mkdir -p ~/.kube
sudo cp /etc/rancher/k3s/k3s.yaml ~/.kube/config
sudo chown $(id -u):$(id -g) ~/.kube/config

# 설치 확인
kubectl get nodes

Helm 설치

curl https://baltocdn.com/helm/signing.asc | gpg --dearmor | sudo tee /usr/share/keyrings/helm.gpg > /dev/null
sudo apt-get install apt-transport-https --yes
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/helm.gpg] https://baltocdn.com/helm/stable/debian/ all main" | sudo tee /etc/apt/sources.list.d/helm-stable-debian.list
sudo apt-get update
sudo apt-get install helm

Jenkins 설치

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

chart**=**jenkinsci/jenkins
helm install jenkins -n jenkins -f jenkins-values.yaml $chart

플러그인 설치

# ssh 커맨드 입력에 사용
SSH Agent

# docker 이미지 생성에 사용
Docker
Docker Commons
Docker Pipeline
Docker API

# 웹훅을 통해 브랜치 merge request 이벤트 발생시 Jenkins 자동 빌드에 사용
Generic Webhook Trigger

# 타사 레포지토리 이용시 사용 (GitLab, Github 등)
GitLab
GitLab API
GitLab Authentication
GitHub Authentication

# Node.js 빌드시 사용
NodeJS

Jenkins persistent volume 설정

apiVersion: v1
kind: PersistentVolume
metadata:
  name: jenkins-pv
  namespace: jenkins
spec:
  storageClassName: jenkins-pv
  accessModes:
  - ReadWriteOnce
  capacity:
    storage: 20Gi
  persistentVolumeReclaimPolicy: Retain
  hostPath:
    path: /data/jenkins-volume/

---
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: jenkins-pv
provisioner: kubernetes.io/no-provisioner
volumeBindingMode: WaitForFirstConsumer

Kaniko

  podTemplates: 
    kaniko: |
      - name: kaniko
        label: kaniko
        serviceAccount: default
        containers:
          - name: kaniko
            image: gcr.io/kaniko-project/executor:v1.17.0-debug
            command: "/busybox/sh -c"
            args: "cat"
            ttyEnabled: true
            privileged: true
            resourceRequestCpu: "400m"
            resourceRequestMemory: "512Mi"
            resourceLimitCpu: "1"
            resourceLimitMemory: "1024Mi"
            volumeMounts:
              - name: docker-config
                mountPath: /kaniko/.docker/
          - name: kubectl
            image: bitnami/kubectl:latest
            command: "/bin/sh -c"
            args: "cat"
            ttyEnabled: true
            privileged: true
            resourceRequestCpu: "400m"
            resourceRequestMemory: "512Mi"
            resourceLimitCpu: "1"
            resourceLimitMemory: "1024Mi"
        volumes:
        - name: docker-config
          secret:
            secretName: regcred