kubectl cp equivalents

kubectl-cp.sh

# Copy /tmp/foo_dir local directory to /tmp/bar_dir in a remote pod in the default namespace
kubectl cp /tmp/foo_dir <some-pod>:/tmp/foo_dir
tar cf - /tmp/foo_dir | kubectl exec -i <some-pod> -- tar xf -

# Copy /tmp/foo local file to /tmp/bar in a remote pod in a specific container
kubectl cp /tmp/foo <some-pod>:/tmp/foo -c <specific-container>
tar cf - /tmp/foo | kubectl exec -i <some-pod> -c <specific-container> -- tar xf - 

# Copy /tmp/foo local file to /tmp/bar in a remote pod in namespace <some-namespace>
kubectl cp /tmp/foo <some-namespace>/<some-pod>:/tmp/foo
tar cf - /tmp/foo | kubectl exec -i -n <some-namespace> <some-pod> -- tar xf -

# Copy /tmp/foo from a remote pod to /tmp/bar locally
kubectl cp <some-namespace>/<some-pod>:/tmp/foo foo
kubectl exec -n <some-namespace> <some-pod> -- tar cf - /tmp/foo | tar xf -

# You can even copy a file from one pod to another!
kubectl exec <some-pod> -- tar cf - /tmp/foo | kubectl exec -i <other-pod> -- tar xf -