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  1. MicroShift
  2. USHIFT-629

The kubelet serving certificate must include the host IP address

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    • openshift-4.12
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    • uShift Sprint 228

      When installing the upstream k8s metrics server in MicroShift, the metrics-server will fail with:

       

      I1123 17:13:30.214014       1 shared_informer.go:247] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file
E1123 17:13:45.113902       1 scraper.go:140] "Failed to scrape node" err="Get \"https://192.168.122.96:10250/metrics/resource\": x509: certificate signed by unknown authority" node="microshift-starter.local"
[redhat@microshift-starter ~]$ oc get deployment -A

      while trying to get information and statistics from the kubelet.

              pacevedo@redhat.com Pablo Acevedo Montserrat
              majopela@redhat.com Miguel Angel Ajo Pelayo
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