CORD-2929 Helm chart for XOS 'openstack' service

Change-Id: I0892e4d0007094a6c6553659713bf06f3f5f7a32
diff --git a/examples/openstack-instance-tosca.yaml b/examples/openstack-instance-tosca.yaml
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+---
+
+# 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.
+
+# TOSCA recipe for adding a sample R-CORD subscriber
+#
+# http POST $(minikube service xos-tosca --url)/run \
+#  xos-username:admin@opencord.org xos-password:letmein \
+#  @./openstack-instance-tosca.yaml
+
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+imports:
+  - custom_types/deployment.yaml
+  - custom_types/flavor.yaml
+  - custom_types/image.yaml
+  - custom_types/node.yaml
+  - custom_types/instance.yaml
+  - custom_types/slice.yaml
+
+description: openstack extensions to deployment
+
+topology_template:
+  node_templates:
+
+# Images and flavors
+    Cirros-0.3.5:
+      type: tosca.nodes.Image
+      properties:
+        name: "Cirros 0.3.5 64-bit"
+        must-exist: true
+
+    m1.tiny:
+      type: tosca.nodes.Flavor
+      properties:
+        name: m1.tiny
+        must-exist: true
+
+    MyDeployment:
+      type: tosca.nodes.Deployment
+      properties:
+        name: MyDeployment
+        must-exist: true
+
+    mysite_test:
+      description: Test Slice
+      type: tosca.nodes.Slice
+      properties:
+        name: mysite_test
+        must-exist: true
+
+    compute1:
+      type: tosca.nodes.Node
+      properties:
+        name: compute1
+        must-exist: true
+
+    test_instance:
+      description: Test Instance
+      type: tosca.nodes.Instance
+      properties:
+        name: test_instance
+      requirements:
+        - image:
+            node: Cirros-0.3.5
+            relationship: tosca.relationships.BelongsToOne
+        - deployment:
+            node: MyDeployment
+            relationship: tosca.relationships.BelongsToOne
+        - flavor:
+            node: m1.tiny
+            relationship: tosca.relationships.BelongsToOne
+        - slice:
+            node: mysite_test
+            relationship: tosca.relationships.BelongsToOne
+        - node:
+            node: compute1
+            relationship: tosca.relationships.BelongsToOne
+