Import from GitHub

Change-Id: Iae8a9ecd755e62ec97c1a0a0da943fd90131f0af
diff --git a/xos/synchronizer/steps/sync_exampletenant.py b/xos/synchronizer/steps/sync_exampletenant.py
new file mode 100644
index 0000000..47c045f
--- /dev/null
+++ b/xos/synchronizer/steps/sync_exampletenant.py
@@ -0,0 +1,83 @@
+import os
+import sys
+from synchronizers.new_base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible
+from synchronizers.new_base.modelaccessor import *
+from xos.logger import Logger, logging
+
+parentdir = os.path.join(os.path.dirname(__file__), "..")
+sys.path.insert(0, parentdir)
+
+logger = Logger(level=logging.INFO)
+
+class SyncExampleTenant(SyncInstanceUsingAnsible):
+
+    provides = [ExampleTenant]
+
+    observes = ExampleTenant
+
+    requested_interval = 0
+
+    template_name = "exampletenant_playbook.yaml"
+
+    service_key_name = "/opt/xos/synchronizers/exampleservice/exampleservice_private_key"
+
+    watches = [ModelLink(ServiceDependency,via='servicedependency'), ModelLink(ServiceMonitoringAgentInfo,via='monitoringagentinfo')]
+
+    def __init__(self, *args, **kwargs):
+        super(SyncExampleTenant, self).__init__(*args, **kwargs)
+
+    def get_exampleservice(self, o):
+        if not o.provider_service:
+            return None
+
+        exampleservice = ExampleService.objects.filter(id=o.provider_service.id)
+
+        if not exampleservice:
+            return None
+
+        return exampleservice[0]
+
+    # Gets the attributes that are used by the Ansible template but are not
+    # part of the set of default attributes.
+    def get_extra_attributes(self, o):
+        fields = {}
+        fields['tenant_message'] = o.tenant_message
+        exampleservice = self.get_exampleservice(o)
+        fields['service_message'] = exampleservice.service_message
+        return fields
+
+    def delete_record(self, port):
+        # Nothing needs to be done to delete an exampleservice; it goes away
+        # when the instance holding the exampleservice is deleted.
+        pass
+
+    def handle_service_monitoringagentinfo_watch_notification(self, monitoring_agent_info):
+        if not monitoring_agent_info.service:
+            logger.info("handle watch notifications for service monitoring agent info...ignoring because service attribute in monitoring agent info:%s is null" % (monitoring_agent_info))
+            return
+
+        if not monitoring_agent_info.target_uri:
+            logger.info("handle watch notifications for service monitoring agent info...ignoring because target_uri attribute in monitoring agent info:%s is null" % (monitoring_agent_info))
+            return
+
+        objs = ExampleTenant.objects.all()
+        for obj in objs:
+            if obj.provider_service.id != monitoring_agent_info.service.id:
+                logger.info("handle watch notifications for service monitoring agent info...ignoring because service attribute in monitoring agent info:%s is not matching" % (monitoring_agent_info))
+                return
+
+            instance = self.get_instance(obj)
+            if not instance:
+               logger.warn("handle watch notifications for service monitoring agent info...: No valid instance found for object %s" % (str(obj)))
+               return
+
+            logger.info("handling watch notification for monitoring agent info:%s for ExampleTenant object:%s" % (monitoring_agent_info, obj))
+
+            #Run ansible playbook to update the routing table entries in the instance
+            fields = self.get_ansible_fields(instance)
+            fields["ansible_tag"] =  obj.__class__.__name__ + "_" + str(obj.id) + "_monitoring"
+            fields["target_uri"] = monitoring_agent_info.target_uri
+
+            template_name = "monitoring_agent.yaml"
+            super(SyncExampleTenant, self).run_playbook(obj, fields, template_name)
+        pass