move ceilometer service over from xos repo

Change-Id: I9402876545cf552675cd0a836e02e2c72fea5f6b
diff --git a/xos/tosca/resources/ceilometertenant.py b/xos/tosca/resources/ceilometertenant.py
new file mode 100644
index 0000000..cb3a623
--- /dev/null
+++ b/xos/tosca/resources/ceilometertenant.py
@@ -0,0 +1,39 @@
+import os
+import pdb
+import sys
+import tempfile
+sys.path.append("/opt/tosca")
+from translator.toscalib.tosca_template import ToscaTemplate
+import pdb
+
+from services.ceilometer.models import MonitoringChannel, CeilometerService
+
+from xosresource import XOSResource
+
+class XOSCeilometerTenant(XOSResource):
+    provides = "tosca.nodes.CeilometerTenant"
+    xos_model = MonitoringChannel
+    name_field = None
+
+    def get_xos_args(self, throw_exception=True):
+        args = super(XOSCeilometerTenant, self).get_xos_args()
+
+        provider_name = self.get_requirement("tosca.relationships.MemberOfService", throw_exception=throw_exception)
+        if provider_name:
+            args["provider_service"] = self.get_xos_object(CeilometerService, throw_exception=throw_exception, name=provider_name)
+
+        return args
+
+    def get_existing_objs(self):
+        args = self.get_xos_args(throw_exception=False)
+        provider_service = args.get("provider", None)
+        if provider_service:
+            return [ self.get_xos_object(provider_service=provider_service) ]
+        return []
+
+    def postprocess(self, obj):
+        pass
+
+    def can_delete(self, obj):
+        return super(XOSCeilometerTenant, self).can_delete(obj)
+