Calico ------ Calico as the overlay network policy plugin, plays a vital role in the cluster communications. Install calicoctl ***************** The easiest form of accessing the calico manifest store is using calicoctl in the controller pod: :: # exec into calico-controller container of the cluster kubectl exec -n kube-system -t -i $(kubectl get pods -n kube-system -l k8s-app=calico-policy -o go-template='{{range .items}}{{.metadata.name}}{{end}}') /bin/sh # download calicoctl apk --update add curl curl -O -L https://github.com/projectcalico/calicoctl/releases/download/v3.1.1/calicoctl chmod +x calicoctl # request node objects ./calicoctl get nodes # leave container exit