add exampleservice to tosca
diff --git a/xos/configurations/cord-pod/pod-exampleservice.yaml b/xos/configurations/cord-pod/pod-exampleservice.yaml
index 2abe484..56261e5 100644
--- a/xos/configurations/cord-pod/pod-exampleservice.yaml
+++ b/xos/configurations/cord-pod/pod-exampleservice.yaml
@@ -49,4 +49,17 @@
           - management:
               node: management
               relationship: tosca.relationships.ConnectsToNetwork
+          - exmapleserver:
+              node: service_exampleservice
+              relationship: tosca.relationships.MemberOfService
+
+    service_exampleservice:
+      type: tosca.nodes.ExampleService
+      requirements:
+          - management:
+              node: management
+              relationship: tosca.relationships.UsesNetwork
+      properties:
+          view_url: /admin/exampleservice/exampleservice/$id$/
+          kind: exampleservice
 
diff --git a/xos/tosca/custom_types/xos.m4 b/xos/tosca/custom_types/xos.m4
index bb919e2..d903190 100644
--- a/xos/tosca/custom_types/xos.m4
+++ b/xos/tosca/custom_types/xos.m4
@@ -258,6 +258,17 @@
             xos_base_props
             xos_base_service_props
 
+    tosca.nodes.ExampleService:
+        derived_from: tosca.nodes.Root
+        description: >
+            Example Service
+        capabilities:
+            xos_base_service_caps
+        properties:
+            xos_base_props
+            xos_base_service_props
+
+
     tosca.nodes.Subscriber:
         derived_from: tosca.nodes.Root
         description: XOS subscriber base class.
diff --git a/xos/tosca/custom_types/xos.yaml b/xos/tosca/custom_types/xos.yaml
index 530e534..adc1bf1 100644
--- a/xos/tosca/custom_types/xos.yaml
+++ b/xos/tosca/custom_types/xos.yaml
@@ -448,6 +448,61 @@
                 required: false
                 description: Version number of Service.
 
+    tosca.nodes.ExampleService:
+        derived_from: tosca.nodes.Root
+        description: >
+            Example Service
+        capabilities:
+            scalable:
+                type: tosca.capabilities.Scalable
+            service:
+                type: tosca.capabilities.xos.Service
+        properties:
+            no-delete:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to delete this object
+            no-create:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to create this object
+            no-update:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to update this object
+            kind:
+                type: string
+                default: generic
+                description: Type of service.
+            view_url:
+                type: string
+                required: false
+                description: URL to follow when icon is clicked in the Service Directory.
+            icon_url:
+                type: string
+                required: false
+                description: ICON to display in the Service Directory.
+            enabled:
+                type: boolean
+                default: true
+            published:
+                type: boolean
+                default: true
+                description: If True then display this Service in the Service Directory.
+            public_key:
+                type: string
+                required: false
+                description: Public key to install into Instances to allows Services to SSH into them.
+            private_key_fn:
+                type: string
+                required: false
+                description: Location of private key file
+            versionNumber:
+                type: string
+                required: false
+                description: Version number of Service.
+
+
     tosca.nodes.Subscriber:
         derived_from: tosca.nodes.Root
         description: XOS subscriber base class.
diff --git a/xos/tosca/resources/exampleservice.py b/xos/tosca/resources/exampleservice.py
new file mode 100644
index 0000000..447ff4d
--- /dev/null
+++ b/xos/tosca/resources/exampleservice.py
@@ -0,0 +1,38 @@
+import os
+import pdb
+import sys
+import tempfile
+sys.path.append("/opt/tosca")
+from translator.toscalib.tosca_template import ToscaTemplate
+import pdb
+
+from core.models import Service,User,CoarseTenant
+from services.exampleservice import ExampleService
+
+from xosresource import XOSResource
+
+class XOSExampleService(XOSResource):
+    provides = "tosca.nodes.ExampleService"
+    xos_model = ExampleService
+    copyin_props = ["view_url", "icon_url", "enabled", "published", "public_key", "private_key_fn", "versionNumber"]
+
+    def postprocess(self, obj):
+        for provider_service_name in self.get_requirements("tosca.relationships.TenantOfService"):
+            provider_service = self.get_xos_object(ExampleService, name=provider_service_name)
+
+            existing_tenancy = CoarseTenant.get_tenant_objects().filter(provider_service = provider_service, subscriber_service = obj)
+            if existing_tenancy:
+                self.info("Tenancy relationship from %s to %s already exists" % (str(obj), str(provider_service)))
+            else:
+                tenancy = CoarseTenant(provider_service = provider_service,
+                                       subscriber_service = obj)
+                tenancy.save()
+
+                self.info("Created Tenancy relationship  from %s to %s" % (str(obj), str(provider_service)))
+
+    def can_delete(self, obj):
+        if obj.slices.exists():
+            self.info("Service %s has active slices; skipping delete" % obj.name)
+            return False
+        return super(XOSExampleService, self).can_delete(obj)
+