Kubernetes Dashboard and Linkerd for Monitoring

Table of Contents

•  
• Steps for Creating Dashboard
• Import Dashboards
• Edit the Duration Time

Steps for Creating Dashboard

1. Download linkerd and modify the Linkerd version

 curl -sL https://run.linkerd.io/install > install-2.6.1  vi install-2.6.1 to modify the version stable-2.7.1 to stable-2.6.1.

2. Set PATH to add linkerd

 export PATH=$PATH:$HOME/.linkerd2/bin

3. install Linkerd onto the cluster

 linkerd install | kubectl apply -f -

4. Check installation

 linkerd check

5. Inject linkerd to pods

 kubectl get deploy -o yaml |linkerd inject -| kubectl apply -f -

6. Expose linkerd-web dashboard

 kubectl -n linkerd get svc linkerd-web -o yaml>linkerd-web.yaml&&sed -i "s/type: ClusterIP/type: NodePort/g" linkerd-web.yaml && sed -i 's/port: 8084/nodePort: 32000\n    port: 8084/g' linkerd-web.yaml && kubectl replace -f linkerd-web.yaml

Import Dashboards

 1. Open Grafana from Dashboard where exposed from k8s_host_ip:32000 2. Open left panel click Dashboard -> Manage Dashboard page (http://k8s_host_ip:32000/grafana/dashboards) 3. Click New Folder and type a Folder name(say BCCE) and click Create 4. In "Manage Dashboard" page, click Import and click "Upload .json File" 5. Choose the json files attached here 6. Change Folder to the Folder you created. 7. Click "Import" to import the dashboard.

Edit the Duration Time

 Kubectl edit deployment linkerd-prometheus -n linkerd  (modify the value of storage.tsdb.retention.time)

Please contact TIBCO support or presales for the scripts.