Add ability to clean up hosts and vlans

Change-Id: Idfe8c7245ba76e1a8aadd501401991e215761afc
Signed-off-by: Sawyer Bergeron <sbergeron@iol.unh.edu>
Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>

1 files changed, 47 insertions, 0 deletions

diff --git a/src/dashboard/actions.py b/src/dashboard/actions.py
new file mode 100644
index 0000000..44b1fdd
--- /dev/null
+++ b/src/dashboard/actions.py
@@ -0,0 +1,47 @@
+##############################################################################
+# Copyright (c) 2019 Parker Berberian, Sawyer Bergeron, and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+from resource_inventory.models import Host, Vlan
+from account.models import Lab
+from booking.models import Booking
+from datetime import timedelta
+from django.utils import timezone
+
+
+def free_leaked_hosts(free_old_bookings=False, old_booking_age=timedelta(days=1)):
+    bundles = [booking.resource for booking in Booking.objects.filter(end__gt=timezone.now())]
+    active_hosts = set()
+    for bundle in bundles:
+        active_hosts.update([host for host in bundle.hosts.all()])
+
+    marked_hosts = set(Host.objects.filter(booked=True))
+
+    for host in (marked_hosts - active_hosts):
+        host.booked = False
+        host.save()
+
+
+def free_leaked_public_vlans():
+    booked_host_interfaces = []
+
+    for lab in Lab.objects.all():
+
+        for host in Host.objects.filter(booked=True).filter(lab=lab):
+            for interface in host.interfaces.all():
+                booked_host_interfaces.append(interface)
+
+        in_use_vlans = Vlan.objects.filter(public=True).distinct('vlan_id').filter(interface__in=booked_host_interfaces)
+
+        manager = lab.vlan_manager
+
+        for vlan in Vlan.objects.all():
+            if vlan not in in_use_vlans:
+                if vlan.public:
+                    manager.release_public_vlan(vlan.vlan_id)
+                manager.release_vlans(vlan)