microk8sの環境セットアップメモ

2023-03-01

microk8sの構築手順メモ

microk8sのインストール

コンテナ仮想化のツールであるmicrok8sの構築手順メモになります。

インストール

snap install microk8s --classic

初期設定

権限の設定

sudo usermod -a -G microk8s $USER
sudo chown -f -R $USER ~/.kube

起動

microk8s start

機能の有効化

microk8s enable dns registry storage 

マニフェストファイルの書き方メモ

Service

apiVersion: v1
kind: Service
metadata:
  name: misskey-web-svc
spec:
  ports:
    - name: "xxxx"
      port: xxxx
      targetPort: xxxx
  selector:
    app: misskey-web

Deployment1

apiVersion: apps/v1
kind: Deployment
metadata:
  name: misskey-web
spec:
  replicas: 1
  selector:
    matchLabels:
      app: misskey-web
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: misskey-web
    spec:
      containers:
        - name: web
          image: misskey/misskey:latest
          ports:
            - containerPort: xxxx
          volumeMounts:
            - mountPath: /misskey/files
              name: misskey-web-data1
            - mountPath: /misskey/.config
              name: misskey-web-data2
              readOnly: true
              
      restartPolicy: Always
      volumes:
        - name: misskey-web-data1
          persistentVolumeClaim:
            claimName: misskey-web-data1-claim
        - name: misskey-web-data2
          persistentVolumeClaim:
            claimName: misskey-web-data2-claim
            readOnly: true

Deployment2

apiVersion: apps/v1
kind: Deployment
metadata:
  name: misskey-db
spec:
  replicas: 1
  selector:
    matchLabels:
      app: misskey-db
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: misskey-db
    spec:
      containers:
      - name: db
          image: postgres:15-alpine
          env:
            - name: POSTGRES_DB
              valueFrom:
                configMapKeyRef:
                  key: POSTGRES_DB
                  name: config-env
            - name: POSTGRES_PASSWORD
              valueFrom:
                configMapKeyRef:
                  key: POSTGRES_PASSWORD
                  name: config-env
            - name: POSTGRES_USER
              valueFrom:
                configMapKeyRef:
                  key: POSTGRES_USER
                  name: config-env
          volumeMounts:
            - mountPath: /var/lib/postgresql/data
              name: misskey-db
      restartPolicy: Always
      volumes:
        - name: misskey-db
          persistentVolumeClaim:
            claimName: misskey-db-claim