CORD-2941 empty synchronizer framework

Change-Id: I06d27acd11b98060237eccc5ed2ac287fe4642d9
diff --git a/xos/synchronizer/steps/sync_kubernetesserviceinstance.py b/xos/synchronizer/steps/sync_kubernetesserviceinstance.py
new file mode 100644
index 0000000..400396d
--- /dev/null
+++ b/xos/synchronizer/steps/sync_kubernetesserviceinstance.py
@@ -0,0 +1,58 @@
+
+# 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.
+
+"""
+    sync_kubernetesserviceinstance.py
+
+    Synchronize KubernetesServiceInstance. See also the related pull_step.
+"""
+
+from synchronizers.new_base.syncstep import SyncStep
+from synchronizers.new_base.modelaccessor import KubernetesServiceInstance
+
+from xosconfig import Config
+from multistructlog import create_logger
+
+from kubernetes import client as kubernetes_client, config as kubernetes_config
+
+log = create_logger(Config().get('logging'))
+
+class SyncKubernetesServiceInstance(SyncStep):
+
+    """
+        SyncKubernetesServiceInstance
+
+        Implements sync step for syncing kubernetes service instances.
+    """
+
+    provides = [KubernetesServiceInstance]
+    observes = KubernetesServiceInstance
+    requested_interval = 0
+
+    def __init__(self, *args, **kwargs):
+        super(SyncKubernetesServiceInstance, self).__init__(*args, **kwargs)
+
+        kubernetes_config.load_incluster_config()
+        self.v1 = kubernetes_client.CoreV1Api()
+
+    def sync_record(self, o):
+        # TODO(smbaker): implement sync step here
+        pass
+
+
+    def delete_record(self, port):
+        # TODO(smbaker): implement delete sync step here
+        pass
+