[MCORD-183] Fix instance creation bug from UI
Change-Id: I0f8ab2cf15d08874ead0e83b1e518cc31ce71c2f
diff --git a/xos/models.py b/xos/models.py
new file mode 100644
index 0000000..d30acce
--- /dev/null
+++ b/xos/models.py
@@ -0,0 +1,40 @@
+from core.models.plcorebase import *
+from models_decl import VHSSService_decl
+from models_decl import VHSSTenant_decl
+
+class VHSSService(VHSSService_decl):
+ class Meta:
+ proxy = True
+
+class VHSSTenant(VHSSTenant_decl):
+ class Meta:
+ proxy = True
+
+ def __init__(self, *args, **kwargs):
+ vhssservice = VHSSService.get_service_objects().all()
+ if vhssservice:
+ self._meta.get_field(
+ "provider_service").default = vhssservice[0].id
+ super(VHSSTenant, self).__init__(*args, **kwargs)
+
+ def save(self, *args, **kwargs):
+ super(VHSSTenant, self).save(*args, **kwargs)
+ # This call needs to happen so that an instance is created for this
+ # tenant is created in the slice. One instance is created per tenant.
+ model_policy_vhsstenant(self.pk)
+
+ def delete(self, *args, **kwargs):
+ # Delete the instance that was created for this tenant
+ self.cleanup_container()
+ super(VHSSTenant, self).delete(*args, **kwargs)
+
+def model_policy_vhsstenant(pk):
+ # This section of code is atomic to prevent race conditions
+ with transaction.atomic():
+ # We find all of the tenants that are waiting to update
+ tenant = VHSSTenant.objects.select_for_update().filter(pk=pk)
+ if not tenant:
+ return
+ # Since this code is atomic it is safe to always use the first tenant
+ tenant = tenant[0]
+ tenant.manage_container()