CORD-3118 Mount node key in ONOS container for VTN (optional)

Change-Id: I61fd1f94c59db0992e640167e4cc28325f7d8be0
diff --git a/xos-profiles/base-openstack/templates/secret.yaml b/xos-profiles/base-openstack/templates/secret.yaml
new file mode 100644
index 0000000..01cf74b
--- /dev/null
+++ b/xos-profiles/base-openstack/templates/secret.yaml
@@ -0,0 +1,23 @@
+---
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
+
+apiVersion: v1
+kind: Secret
+metadata:
+  name: node-key
+  namespace: default
+type: Opaque
+data:
+  node_key: {{ .Files.Get .Values.nodeKeyFile | b64enc }}
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