Update updated singleton manager names

apps/installation/__init__.py

@@ -23,7 +23,7 @@ def trigger_first_time(sender, **kwargs):
 @transaction.commit_on_success
 def check_first_run():
     try:
-        details = Installation.objects.get()
+        details = Installation.get()
     except DatabaseError:
         # Avoid database errors when the app tables haven't been created yet
         transaction.rollback()

apps/job_processor/__init__.py

@@ -1,6 +1,9 @@
 from __future__ import absolute_import
 
+import logging
+
 from django.db import transaction, DatabaseError
+from django.dispatch import receiver
 from django.utils.translation import ugettext_lazy as _
 
 from scheduler.api import LocalScheduler
@@ -10,6 +13,7 @@ from project_setup.api import register_setup
 from common.utils import encapsulate
 
 from clustering.models import Node
+from clustering.signals import node_died
 
 from .models import JobQueue, JobProcessingConfig
 from .tasks import job_queue_poll
@@ -17,6 +21,8 @@ from .links import (node_workers, job_queues, tool_link,
     job_queue_items_pending, job_queue_items_error, job_queue_items_active,
     job_queue_config_edit, setup_link, job_queue_start, job_queue_stop)
 
+logger = logging.getLogger(__name__)
+
 
 @transaction.commit_on_success
 def add_job_queue_jobs():
@@ -45,3 +51,9 @@ register_model_list_columns(Node, [
         'attribute': encapsulate(lambda x: x.workers().all().count())
     },
 ])
+
+
+@receiver(node_died, dispatch_uid='process_dead_workers')
+def process_dead_workers(sender, **kwargs):
+    logger.debug('kwargs')
+    logger.debug(kwargs)