CORD-2945 TOSCA for VTN service

Change-Id: I5c2189992c808a27cd49f80fcae9c72152ba7dbc
diff --git a/xos-profiles/base-openstack/templates/_helpers.tpl b/xos-profiles/base-openstack/templates/_helpers.tpl
new file mode 100644
index 0000000..66a8e2d
--- /dev/null
+++ b/xos-profiles/base-openstack/templates/_helpers.tpl
@@ -0,0 +1,64 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Copyright 2018-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.
+*/}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "base-openstack.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "base-openstack.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "base-openstack.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+The R-CORD synchronizer loads R-CORD-specific models into the core
+*/}}
+
+{{- define "rcord.serviceConfig" -}}
+name: rcord
+accessor:
+  username: {{ .Values.xosAdminUser | quote }}
+  password: {{ .Values.xosAdminPassword | quote }}
+  endpoint: xos-core:50051
+dependency_graph: "/opt/xos/synchronizers/rcord/model-deps"
+sys_dir: "/opt/xos/synchronizers/rcord/sys"
+models_dir: "/opt/xos/synchronizers/rcord/models"
+model_policies_dir: "/opt/xos/synchronizers/rcord/model_policies"
+{{- end -}}
+