Shulou(Shulou.com)06/02 Report--

Install Grafana

$docker pull grafana/grafana:5.3.4

1. Prepare pvc

ApiVersion: v1kind: PersistentVolumemetadata: name: grafanaspec: capacity: storage: 1Gi accessModes:-ReadWriteOnce persistentVolumeReclaimPolicy: Recycle nfs: server: 192.168.1.244 path: / data/k8s---apiVersion: v1kind: PersistentVolumeClaimmetadata: name: grafana namespace: kube-opsspec: accessModes:-ReadWriteOnce resources: requests: storage: 1Gi

2. Modify the permissions of the / var/lib/grafana directory

ApiVersion: batch/v1kind: Jobmetadata: name: grafana-chown namespace: kube-opsspec: template: spec: restartPolicy: Never containers:-name: grafana-chown command: ["chown", "- R", "472" "/ var/lib/grafana"] image: busybox imagePullPolicy: IfNotPresent volumeMounts:-name: storage subPath: grafana mountPath: / var/lib/grafana volumes:-name: storage persistentVolumeClaim: claimName: grafana

3. Create grafana pod

ApiVersion: extensions/v1beta1kind: Deploymentmetadata: name: grafana namespace: kube-ops labels: app: grafanaspec: revisionHistoryLimit: 10 template: metadata: labels: app: grafanaspec: containers:-name: grafana image: grafana/grafana:5.3.4 imagePullPolicy: IfNotPresent ports:-containerPort: 3000 name: grafana env:-name: GF_SECURITY_ADMIN_ USER value: admin # login user name-name: GF_SECURITY_ADMIN_PASSWORD value: admin321 # login password readinessProbe: failureThreshold: 10 httpGet: path: / api/health port: 3000 scheme: HTTP initialDelaySeconds: 60 periodSeconds: 10 successThreshold: 1 TimeoutSeconds: 30 livenessProbe: failureThreshold: 3 httpGet: path: / api/health port: 3000 scheme: HTTP periodSeconds: 10 successThreshold: 1 timeoutSeconds: 1 resources: limits: cpu: 100m memory: 256Mi requests: cpu: 100m Memory: 256Mi volumeMounts:-mountPath: / var/lib/grafana subPath: grafana name: storage securityContext: fsGroup: 472runAsUser: 472volumes:-name: storage persistentVolumeClaim: claimName: grafana

$kubectl get pod-n kube-ops | grep grafana

Grafana-bbfd776d6-w9xf7 1/1 Running 1 111m

Grafana-chown-26wmr 0/1 Completed 0 111m

$kubectl logs grafana-bbfd776d6-w9xf7-n kube-ops

4. Create svc

ApiVersion: v1kind: Servicemetadata: name: grafana namespace: kube-ops labels: app: grafanaspec: type: NodePort ports:-port: 3000 selector: app: grafana

$kubectl get svc-n kube-ops | grep grafana

Grafana NodePort 10.107.208.176 3000:31171/TCP

Use grafana

1. Basic configuration

Http://192.168.1.243:31171

Log in with the username and password set in the grafana pod environment variable

Click Add data source to enter the add data source interface-data source name-data source type: Prometheus----url: http://prometheus:9090-access mode: server

Access patterns are used to control how requests to data sources are handled. There are two types of access patterns.

Server (Server) access mode (default)

Browser (Browser) access mode

Import dashboard: click the plus sign on the left-import----Grafana.com Dashboard: enter 162,

Import the configured dashboard: click the plus sign on the left-import----upload .json file---- to select the local file mydashboard.json

2. Install the k8s plug-in grafana-kubernetes-app

To install this plug-in, you need to execute the installation command in the Pod of grafana

$kubectl get pods-n kube-ops | grep grafana

Grafana-bbfd776d6-w9xf7 1/1 Running 1

$kubectl exec-it grafana-bbfd776d6-w9xf7 bash

Grafana-kubernetes-app6d6-w9xf7:/usr/share/grafana$ grafana-cli plugins install grafana-kubernetes-app

$kubectl delete-f grafana-deploy.yaml

$kubectl apply-f grafana-deploy.yaml

Reopen garfana

Http://192.168.1.243:31171

Click the link Connect to your Kubernetes Cluster and deploy metric exporters under Installed Apps-kubernetes----enable---- to enter the kubernetes / Cluster Config configuration interface

to be continued

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