Using in-cluster config to connect to apiserver
Using service account token for csrf signing
No request provided. Skipping authorization header
Successful initial request to the apiserver, version: v1.7.0
No request provided. Skipping authorization header
Creating remote Heapster client for http://heapster.kube-system:80
Could not enable metric client: Health check failed: Get http://heapster.kube-system:80/healthz: dial tcp 10.100.9.151:80: getsockopt: connection refused. Continuing.
...
Getting list of all pods in the cluster
[restful] 2017/08/24 06:43:41 log.go:26: No metric client provided. Skipping metrics.
[restful] 2017/08/24 06:43:41 log.go:26: No metric client provided. Skipping metrics.```
I’m sure that they did not just suddenly show up. Something had to trigger it and it was probably restart of dashboard pod. After restart it checked again if heapster is available and after successful connection metrics showed up.