| import os |
| from django.db import models |
| from django.core import exceptions |
| from core.models import PlCoreBase |
| from core.models import Image |
| from core.models import Slice |
| from core.models import Node |
| from core.models import Site |
| from core.models import Deployment |
| from core.models import User |
| from core.models import Tag |
| from core.models import Flavor |
| from django.contrib.contenttypes import generic |
| |
| def get_default_flavor(deployment = None): |
| # Find a default flavor that can be used for a sliver. This is particularly |
| # useful in evolution. It's also intended this helper function can be used |
| # for admin.py when users |
| |
| if deployment: |
| flavors = deployment.flavors.all() |
| else: |
| flavors = Flavor.objects.all() |
| |
| if not flavors: |
| return None |
| |
| for flavor in flavors: |
| if flavor.default: |
| return flavor |
| |
| return flavors[0] |
| |
| # Create your models here. |
| class Sliver(PlCoreBase): |
| instance_id = models.CharField(null=True, blank=True, max_length=200, help_text="Nova instance id") |
| name = models.CharField(max_length=200, help_text="Sliver name") |
| instance_name = models.CharField(blank=True, null=True, max_length=200, help_text="OpenStack generated name") |
| ip = models.GenericIPAddressField(help_text="Sliver ip address", blank=True, null=True) |
| image = models.ForeignKey(Image, related_name='slivers') |
| #key = models.ForeignKey(Key, related_name='slivers') |
| creator = models.ForeignKey(User, related_name='slivers', blank=True, null=True) |
| slice = models.ForeignKey(Slice, related_name='slivers') |
| node = models.ForeignKey(Node, related_name='slivers') |
| deploymentNetwork = models.ForeignKey(Deployment, verbose_name='deployment', related_name='sliver_deploymentNetwork') |
| numberCores = models.IntegerField(verbose_name="Number of Cores", help_text="Number of cores for sliver", default=0) |
| flavor = models.ForeignKey(Flavor, help_text="Flavor of this instance", default=get_default_flavor) |
| tags = generic.GenericRelation(Tag) |
| userData = models.TextField(blank=True, null=True, help_text="user_data passed to instance during creation") |
| |
| def __unicode__(self): |
| if self.instance_name: |
| return u'%s' % (self.instance_name) |
| elif self.id: |
| return u'uninstantiated-%s' % str(self.id) |
| elif self.slice: |
| return u'unsaved-sliver on %s' % self.slice.name |
| else: |
| return u'unsaved-sliver' |
| |
| def save(self, *args, **kwds): |
| if not self.name: |
| self.name = self.slice.name |
| if not self.creator and hasattr(self, 'caller'): |
| self.creator = self.caller |
| self.deploymentNetwork = self.node.deployment |
| |
| # XXX smbaker - disabled for now, was causing fault in tenant view create slice |
| # if not self.deploymentNetwork.test_acl(slice=self.slice): |
| # raise exceptions.ValidationError("Deployment %s's ACL does not allow any of this slice %s's users" % (self.deploymentNetwork.name, self.slice.name)) |
| |
| super(Sliver, self).save(*args, **kwds) |
| |
| def can_update(self, user): |
| return self.slice.can_update(user) |
| |
| def all_ips(self): |
| ips={} |
| for ns in self.networksliver_set.all(): |
| ips[ns.network.name] = ns.ip |
| return ips |
| |
| def all_ips_string(self): |
| result = [] |
| ips = self.all_ips() |
| for key in sorted(ips.keys()): |
| #result.append("%s = %s" % (key, ips[key])) |
| result.append(ips[key]) |
| return ", ".join(result) |
| all_ips_string.short_description = "addresses" |
| |
| @staticmethod |
| def select_by_user(user): |
| if user.is_admin: |
| qs = Sliver.objects.all() |
| else: |
| slices = Slice.select_by_user(user) |
| qs = Sliver.objects.filter(slice__in=slices) |
| return qs |