I have a centos 7 k8s 1.5.2 cluster with a master (etcd apiserver
controller scheduler) and 3 nodes (flannel docker kubeproxy kubelet) with a
working heapster + influxdb + grafana stack using
https://github.com/kubernetes/heapster/tree/master/deploy/kube-config/influxdb
Now im trying the horizontal pod autoscaling feature but the
kube-controller-manager shows me this error
(.....) HorizontalPodAutoscaler Warning
FailedGetMetrics {horizontal-pod-autoscaler } unable to get metrics for
resource cpu: failed to get heapster service: an error on the server
("Error: 'dial tcp 172.17.95.5:8082: getsockopt: connection timed
out'\nTrying to reach:
'http://172.17.95.5:8082/apis/metrics/v1alpha1/namespaces/default/pods?labelSelector=blablablabla'")
has prevented the request from succeeding (get services http:heapster:)
If i curl that url from a pod it works. I have tried the standalone
deployment of heapster with the same result.
What am I missing?
How is done the communication between the controller manager and the
heapster pod?
I really appreciate any help because im lost after looking for the cause of
this during 10 days... :\
Thanks
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