Test dependencies

hack/ensure-ovftool.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# Copyright 2021 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+[[ -n ${DEBUG:-} ]] && set -o xtrace
+
+[[ -z ${IB_OVFTOOL:-} ]] && exit 0
+
+source hack/utils.sh
+
+if command -v ovftool >/dev/null 2>&1; then exit 0; fi
+
+echo "ovftool must be present to build OVAs. If already installed" >&2
+echo "make sure to add it to the PATH env var. If not installed, please" >&2
+echo "install latest from https://code.vmware.com/tool/ovf." >&2
+exit 1