Ch 19 - Metrics server error when using Vagrant setup from Ch 18

[lalanikarim]

Unable to work on Ch 19 examples with auto-scaling due to metrics-server errors when using Vagrant setup from Ch 18.

❯ kubectl get nodes

NAME             STATUS   ROLES    AGE   VERSION
kiamol-control   Ready    master   20h   v1.18.5
kiamol-node      Ready    <none>   20h   v1.18.5
kiamol-node2     Ready    <none>   46m   v1.18.5
kiamol-node3     Ready    <none>   46m   v1.18.5

❯ kubectl top nodes

Error from server (ServiceUnavailable): the server is currently unable to handle the request (get nodes.metrics.k8s.io)

❯ kubectl -n kube-system logs -l k8s-app=metrics-server

Error from server (NotFound): the server could not find the requested resource ( pods/log metrics-server-85cdc4cd44-b8frr)

❯ kubectl -n kube-system get all -l k8s-app=metrics-server

NAME                                  READY   STATUS    RESTARTS   AGE
pod/metrics-server-85cdc4cd44-b8frr   1/1     Running   0          4m51s

NAME                             READY   UP-TO-DATE   AVAILABLE   AGE
deployment.apps/metrics-server   1/1     1            1           16m

NAME                                        DESIRED   CURRENT   READY   AGE
replicaset.apps/metrics-server-85cdc4cd44   1         1         1       4m51s
replicaset.apps/metrics-server-9cf886767    0         0         0       16m