Omar Abdelkader | 1d9c319 | 2017-08-03 14:54:25 -0700 | [diff] [blame] | 1 | from core.models.plcorebase import * |
| 2 | from models_decl import VMMEService_decl |
Omar Abdelkader | 41fa535 | 2017-08-25 12:52:40 -0600 | [diff] [blame^] | 3 | from models_decl import VMMEVendor_decl |
Omar Abdelkader | 1d9c319 | 2017-08-03 14:54:25 -0700 | [diff] [blame] | 4 | from models_decl import VMMETenant_decl |
| 5 | |
Omar Abdelkader | 2c16284 | 2017-08-07 19:41:59 -0600 | [diff] [blame] | 6 | from django.db import models |
| 7 | from core.models import Service, PlCoreBase, Slice, Instance, Tenant, TenantWithContainer, Node, Image, User, Flavor, NetworkParameter, NetworkParameterType, Port, AddressPool |
| 8 | from core.models.plcorebase import StrippedCharField |
| 9 | import os |
| 10 | from django.db import models, transaction |
| 11 | from django.forms.models import model_to_dict |
| 12 | from django.db.models import * |
| 13 | from operator import itemgetter, attrgetter, methodcaller |
| 14 | from core.models import Tag |
| 15 | from core.models.service import LeastLoadedNodeScheduler |
| 16 | import traceback |
| 17 | from xos.exceptions import * |
| 18 | from xos.config import Config |
Omar Abdelkader | 2c16284 | 2017-08-07 19:41:59 -0600 | [diff] [blame] | 19 | |
Omar Abdelkader | 1d9c319 | 2017-08-03 14:54:25 -0700 | [diff] [blame] | 20 | class VMMEService(VMMEService_decl): |
| 21 | class Meta: |
| 22 | proxy = True |
| 23 | |
Omar Abdelkader | e7cae95 | 2017-08-23 18:21:43 -0600 | [diff] [blame] | 24 | def create_tenant(self, **kwargs): |
| 25 | t = VMMETenant(kind="vEPC", provider_service=self, connect_method="na", **kwargs) |
| 26 | t.save() |
| 27 | return t |
| 28 | |
Omar Abdelkader | 41fa535 | 2017-08-25 12:52:40 -0600 | [diff] [blame^] | 29 | class VMMEVendor(VMMEVendor_decl): |
| 30 | class Meta: |
| 31 | proxy = True |
| 32 | |
Omar Abdelkader | 1d9c319 | 2017-08-03 14:54:25 -0700 | [diff] [blame] | 33 | class VMMETenant(VMMETenant_decl): |
| 34 | class Meta: |
| 35 | proxy = True |
| 36 | |
| 37 | def __init__(self, *args, **kwargs): |
Omar Abdelkader | d7fc4a0 | 2017-08-15 16:25:53 -0600 | [diff] [blame] | 38 | vmmeservices = VMMEService.get_service_objects().all() |
| 39 | if vmmeservices: |
| 40 | self._meta.get_field("provider_service").default = vmmeservices[0].id |
Omar Abdelkader | 1d9c319 | 2017-08-03 14:54:25 -0700 | [diff] [blame] | 41 | super(VMMETenant, self).__init__(*args, **kwargs) |
| 42 | |
Omar Abdelkader | 41fa535 | 2017-08-25 12:52:40 -0600 | [diff] [blame^] | 43 | @property |
| 44 | def image(self): |
| 45 | if not self.vmme_vendor: |
| 46 | return super(VMMETenant, self).image |
| 47 | return self.vmme_vendor.image |
| 48 | |
| 49 | def save_instance(self, instance): |
| 50 | if self.vmme_vendor: |
| 51 | instance.flavor = self.vmme_vendor.flavor |
| 52 | super(VMMETenant, self).save_instance(instance) |
| 53 | |
Omar Abdelkader | 1d9c319 | 2017-08-03 14:54:25 -0700 | [diff] [blame] | 54 | def save(self, *args, **kwargs): |
Omar Abdelkader | e7cae95 | 2017-08-23 18:21:43 -0600 | [diff] [blame] | 55 | if not self.creator: |
| 56 | if not getattr(self, "caller", None): |
| 57 | raise XOSProgrammingError("VMMETenant's self.caller was not set") |
| 58 | self.creator = self.caller |
| 59 | if not self.creator: |
| 60 | raise XOSProgrammingError("VMMETenant's self.creator was not set") |
| 61 | |
Omar Abdelkader | 1d9c319 | 2017-08-03 14:54:25 -0700 | [diff] [blame] | 62 | super(VMMETenant, self).save(*args, **kwargs) |
| 63 | # This call needs to happen so that an instance is created for this |
| 64 | # tenant is created in the slice. One instance is created per tenant. |
| 65 | model_policy_vmmetenant(self.pk) |
| 66 | |
| 67 | def delete(self, *args, **kwargs): |
| 68 | # Delete the instance that was created for this tenant |
| 69 | self.cleanup_container() |
| 70 | super(VMMETenant, self).delete(*args, **kwargs) |
| 71 | |
| 72 | def model_policy_vmmetenant(pk): |
| 73 | # This section of code is atomic to prevent race conditions |
| 74 | with transaction.atomic(): |
| 75 | # We find all of the tenants that are waiting to update |
| 76 | tenant = VMMETenant.objects.select_for_update().filter(pk=pk) |
| 77 | if not tenant: |
| 78 | return |
| 79 | # Since this code is atomic it is safe to always use the first tenant |
| 80 | tenant = tenant[0] |
Omar Abdelkader | 2c16284 | 2017-08-07 19:41:59 -0600 | [diff] [blame] | 81 | tenant.manage_container() |
Omar Abdelkader | e7cae95 | 2017-08-23 18:21:43 -0600 | [diff] [blame] | 82 | |