#see https://kubernetes.io/docs/reference/kubectl/cheatsheet/

# Retrieve cluster info
kubectl cluster-info dump

# every component with namespace kube-system 
kubectl get all --namespace kube-system

# Networking
kubectl get nodes --output json

# Flannel logging
kubectl logs -n kube-system kube-flannel-ds-cw7kf -c kube-flannel

kubectl get pod kube-flannel-ds-cw7kf --namespace kube-system -o yaml

# Kube-DNS
kubectl describe pods -l k8s-app=kube-dns -n kube-system

kubectl get nodes --output=jsonpath='{range .items[*]}{.status.addresses[?(@.type=="InternalIP")].address} {.spec.podCIDR} {"\n"}{end}'

# CoreDNS
kubectl describe pod/coredns-65db874f4f-lz5hl --namespace kube-system