contrib,kind: Init container runtime binary on cluster deletion

On cluster delete operations the container runtime binary
(represented by OCI_BIN) is hardcoded.

Set OCI_BIN according to env.

Signed-off-by: Or Mergi <[email protected]>

Author: ormergi

contrib/kind.sh

@@ -42,6 +42,8 @@ function setup_kubectl_bin() {
 # The root cause is unknown, this also can not be reproduced in Ubuntu 20.04 or
 # with Fedora32 Cloud, but it does not happen if we clean first the ovn-kubernetes resources.
 delete() {
+  OCI_BIN=${KIND_EXPERIMENTAL_PROVIDER:-docker}
+
   if [ "$KIND_INSTALL_METALLB" == true ]; then
     destroy_metallb
   fi