CORD-3224 Implement KubernetesResourceInstance

Change-Id: Ic3c7691aa16a20c0d7d69994fef1ad8ac6d1ca44
diff --git a/xos/examples/make_resource.xossh b/xos/examples/make_resource.xossh
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+++ b/xos/examples/make_resource.xossh
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+# 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.
+
+# This file is intended to be pasted into an xossh session
+
+rd='apiVersion: v1\nkind: Pod\nmetadata:\n  name: nginx\nspec:\n  containers:\n  - name: nginx\n    image: nginx:1.7.9\n    ports:\n    - containerPort: 80\n'
+k8r = KubernetesResourceInstance(owner=KubernetesService.objects.first(), name="nginx", resource_definition=rd)
+k8r.save()
diff --git a/xos/examples/make_resource.yaml b/xos/examples/make_resource.yaml
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+---
+# 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.
+
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: Make a pod using Kubernetes Synchronizer
+
+imports:
+  - custom_types/trustdomain.yaml
+  - custom_types/principal.yaml
+  - custom_types/image.yaml
+  - custom_types/site.yaml
+  - custom_types/slice.yaml
+  - custom_types/kubernetesservice.yaml
+  - custom_types/kubernetesresourceinstance.yaml
+
+topology_template:
+  node_templates:
+    service#kubernetes:
+          type: tosca.nodes.KubernetesService
+          properties:
+            name: kubernetes
+            must-exist: true
+
+    demo_resource:
+      type: tosca.nodes.KubernetesResourceInstance
+      properties:
+        name: "demo-pod"
+        resource_definition: |
+          apiVersion: v1
+          kind: Pod
+          metadata:
+            name: nginx
+          spec:
+            containers:
+            - name: nginx
+              image: nginx:1.7.9
+              ports:
+              - containerPort: 80
+      requirements:
+        - owner:
+            node: service#kubernetes
+            relationship: tosca.relationships.BelongsToOne
+