k8s303-Monitoring(2/2)

개요

수집 지표 정보를 분석 및 시각화하는 오픈소스 도구
프로메테우스의 데이터를 grafana 연동하여 시각화 함

grafana pod 생성

# grafana-deploy.yaml 

apiVersion: apps/v1
kind: Deployment
metadata:
  name: grafana
  namespace: monitoring
spec:
  replicas: 1
  selector:
    matchLabels:
      app: grafana
  template:
    metadata:
      name: grafana
      labels:
        app: grafana
    spec:
      containers:
      - name: grafana
        image: grafana/grafana:latest
        ports:
        - name: grafana
          containerPort: 3000
        env:
        - name: GF_SERVER_HTTP_PORT
          value: "3000"
        - name: GF_AUTH_BASIC_ENABLED
          value: "false"
        - name: GF_AUTH_ANONYMOUS_ENABLED
          value: "true"
        - name: GF_AUTH_ANONYMOUS_ORG_ROLE
          value: Admin
        - name: GF_SERVER_ROOT_URL
          value: /

grafana service 생성

# grafana-svc.yaml

apiVersion: v1
kind: Service
metadata:
  name: grafana
  namespace: monitoring
  annotations:
      prometheus.io/scrape: 'true'
      prometheus.io/port:   '3000'
spec:
  selector:
    app: grafana
  type: NodePort
  ports:
    - port: 3000
      targetPort: 3000
      nodePort: 30004

배포

$ kubectl apply -f grafana-deploy.yaml
$ kubectl apply -f grafana-svc.yaml

$ kubectl get pod -n monitoring
NAME                                     READY   STATUS    RESTARTS   AGE
grafana-64cd46cb84-5qnlv                 1/1     Running   1          2d19h
node-exporter-kswxf                      1/1     Running   1          2d20h
node-exporter-p527j                      1/1     Running   1          2d20h
prometheus-deployment-78675675d9-qvtws   1/1     Running   1          2d20h