How to get access to the Heapster's Grafana dashboard after clean Kubernetes installation using Rancher

[Parth Gandhi]

I have just installed 3 node kubernetes cluster using rancher. I am trying to access the grafana dashboard with the url that i get from cluster info output. However i am getting unathorized error.

monitoring-grafana is running at https://mypublicIP:8080/r/projects/1a7/kubernetes:6443/api/v1/namespaces/kube-system/services/monitoring-grafana/proxy

Thanks.

[Brandon Philips]

Hello Parth-

This isn't a general Kuberentes question so you might get help on the Rancher forums: https://forums.rancher.com/

Brandon

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[Parth Gandhi]

Hi Brandon,

I did. However i was asked to check with the kubernetes team on this. :(

[Jay Vyas]

Hi parth.  

Can't help with rancher but in general, in this forum.

But this is a generic confusion some folks have.

End users don't access things through the apiserver proxy endpoint, instead You need to expose the services using kubectl expose on the service and wait for the external ip to come up (kubectl get services -o wide).

In GCE or Kops / Kubeadm you'll get this glue for free.

In other clouds the loadbalancer will be done in a different way.

Worst case scenario use type NodePort and access it anywhere on your cluster.

[Parth Gandhi]

Hi Jay,
I did try exposing the NodePort and accessing it using the http://hostip:NodePort. But still not able to access it.

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[Jay Vyas]

Paste the output of the: 

get services -o wide and 

curl hostip:NodePort 

commands.

[Parth Gandhi]

Hi Jay,

Here is the desired output.

ubuntu@Host3:~$ kubectl get services -n kube-system -o wide

NAME                   CLUSTER-IP      EXTERNAL-IP   PORT(S)         AGE       SELECTOR

heapster               10.43.214.249   <none>        80/TCP          21m       k8s-app=heapster

kube-dns               10.43.0.10      <none>        53/UDP,53/TCP   21m       k8s-app=kube-dns

kubernetes-dashboard   10.43.243.36    <none>        9090/TCP        20m       k8s-app=kubernetes-dashboard

monitoring-grafana     10.43.191.246   <nodes>       80:32498/TCP    21m       k8s-app=grafana

monitoring-influxdb    10.43.39.172    <none>        8086/TCP        21m       k8s-app=influxdb

tiller-deploy          10.43.79.214    <none>        44134/TCP       21m       app=helm,name=tiller

however curl command doesn't give any output.

Regards,
Parth Gandhi