cd host_vars
for i in node01 node02 node03
do
  sed -i "s#^wg_private_key.*#wg_private_key: $(wg genkey)#" ${i}.yaml
  pubkey=$(cat ${i}.yaml | yq .wg_private_key | sed 's/"//g' | wg pubkey)
  sed -i "s#^wg_public_key.*#wg_public_key: ${pubkey}#" ${i}.yaml
done