kubectl handy gist

kubectl-handy-gist.sh

# Copying kubernetes resources accross namespaces
kubectl get rs,secrets -o json --namespace old | jq '.items[].metadata.namespace = "new"' | kubectl create -f  -
kubectl get cm -o json --namespace old some-config-map | jq '.metadata.namespace = "new"' | kubectl create -f  -

# kubectl exec in each pods

for pod in `kubectl get pods -o go-template --template '{{range .items}}{{.metadata.name}}{{"\n"}}{{end}}'`; do  echo $pod date:; kubectl exec -it $pod -- date ; echo "--------------"; done