Mastering Service Mesh

Installing the Metrics Server

The Metrics Server is required if we need to run kubectl commands to show the metrics:

$ helm install stable/metrics-server --name metrics --namespace kube-system --set fullnameOverride="metrics" --set args="{--logtostderr,--kubelet-insecure-tls,--kubelet-preferred-address-types=InternalIP\,ExternalIP\,Hostname}"

To install the Metrics Server, follow these steps:

1. Make sure that the v1beta1.metrics.k8s.io service is available:

$ kubectl get apiservice v1beta1.metrics.k8s.ioNAME                     SERVICE               AVAILABLE   AGEv1beta1.metrics.k8s.io   kube-system/metrics   True        13m

If the service shows FailedDiscoveryCheck or MissingEndpoints, it might be the firewall issue. Make sure that HTTPS is enabled through the firewall.

If the AVAILABLE ...