[SEBA-266] Repushing subscribers if ONOS goes down
Change-Id: I368776efb287f63d3516d1cfc43318a3457abab3
diff --git a/xos/synchronizer/event_steps/kubernetes_event.py b/xos/synchronizer/event_steps/kubernetes_event.py
new file mode 100644
index 0000000..aa8bef8
--- /dev/null
+++ b/xos/synchronizer/event_steps/kubernetes_event.py
@@ -0,0 +1,68 @@
+
+# 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.
+
+
+import json
+import os
+import sys
+from synchronizers.new_base.eventstep import EventStep
+from synchronizers.new_base.modelaccessor import VOLTService, VOLTServiceInstance, Service
+from xosconfig import Config
+from multistructlog import create_logger
+
+log = create_logger(Config().get('logging'))
+
+class KubernetesPodDetailsEventStep(EventStep):
+ topics = ["xos.kubernetes.pod-details"]
+ technology = "kafka"
+
+ def __init__(self, *args, **kwargs):
+ super(KubernetesPodDetailsEventStep, self).__init__(*args, **kwargs)
+
+ @staticmethod
+ def get_onos(service):
+ service = Service.objects.get(id=service.id)
+
+ # get the onos_fabric service
+ onos = [s.leaf_model for s in service.subscriber_services if "onos" in s.name.lower()]
+
+ if len(onos) == 0:
+ raise Exception('Cannot find ONOS service in provider_services of Fabric-Crossconnect')
+
+ return onos[0]
+
+ def process_event(self, event):
+ value = json.loads(event.value)
+
+ if (value.get("status") != "created"):
+ return
+
+ if "labels" not in value:
+ return
+
+ xos_service = value["labels"].get("xos_service")
+ if not xos_service:
+ return
+
+ for service in VOLTService.objects.all():
+ onos = KubernetesPodDetailsEventStep.get_onos(service)
+ if (onos.name.lower() != xos_service.lower()):
+ continue
+
+ for service_instance in service.service_instances.all():
+ log.info("Dirtying VOLTServiceInstance", service_instance=service_instance)
+ service_instance.backend_code=0
+ service_instance.backend_status="resynchronize due to kubernetes event"
+ service_instance.save(update_fields=["updated", "backend_code", "backend_status"], always_update_timestamp=True)