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Configure Prometheus to scrape Kubelets directly #217

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merged 1 commit into from
May 15, 2018
Merged

Configure Prometheus to scrape Kubelets directly #217

merged 1 commit into from
May 15, 2018

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dghubble
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  • Use Kubelet bearer token authn/authz to scrape metrics
  • Drop RBAC permission from nodes/proxy to nodes/metrics
  • Stop proxying kubelet scrapes through the apiserver, since this required higher privilege (nodes/proxy) and can add load to the apiserver on large clusters

@dghubble dghubble force-pushed the enhance-prometheus-security branch from d144c64 to efeb6a6 Compare May 14, 2018 06:59
@dghubble dghubble mentioned this pull request May 14, 2018
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Oh, this is missing container_* metrics. We still need a modified metrics path replacement to scrape the Kubelet's CAdvisor metrics path, instead of its default metrics. Will followup with a fix when I get a chance.

@dghubble dghubble force-pushed the enhance-prometheus-security branch from efeb6a6 to 1190dea Compare May 15, 2018 05:35
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Fixed the cadvisor metrics path.

@dghubble
Configure Prometheus to scrape Kubelets directly
c2b719d 
* Use Kubelet bearer token authn/authz to scrape metrics
* Drop RBAC permission from nodes/proxy to nodes/metrics
* Stop proxying kubelet scrapes through the apiserver, since
this required higher privilege (nodes/proxy) and can add
load to the apiserver on large clusters
@dghubble dghubble force-pushed the enhance-prometheus-security branch from 1190dea to c2b719d Compare May 15, 2018 06:07
@dghubble dghubble merged commit c2b719d into master May 15, 2018
@dghubble dghubble deleted the enhance-prometheus-security branch May 17, 2018 03:09
@dghubble dghubble mentioned this pull request Oct 19, 2018
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@dghubble dghubble mentioned this pull request Nov 5, 2018
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@dghubble