Kubelet / cAdvisor special configuration updates for GKE

In order to allow Prometheus to access the endpoints provided by the kubelet/cAdvisor on GKE we have to downgrade the scheme to HTTP (from HTTPS).

On linux:

sed -i -e 's/https/http/g' \
contrib/kube-prometheus/manifests/prometheus/prometheus-k8s-service-monitor-kubelet.yaml

On MacOs:

sed -i '' -e 's/https/http/g' \
contrib/kube-prometheus/manifests/prometheus/prometheus-k8s-service-monitor-kubelet.yaml

After you have modified the yaml file please run

kubectl apply -f contrib/kube-prometheus/manifests/prometheus/prometheus-k8s-service-monitor-kubelet.yaml