planetstack/core/models/sliver.py

   1 import os
   2 from django.db import models
   3 from django.core import exceptions
   4 from core.models import PlCoreBase
   5 from core.models import Image
   6 from core.models import Slice
   7 from core.models import Node
   8 from core.models import Site
   9 from core.models import Deployment
  10 from core.models import User
  11 from core.models import Tag
  12 from django.contrib.contenttypes import generic
  13
  14 # Create your models here.
  15 class Sliver(PlCoreBase):
  16     instance_id = models.CharField(null=True, blank=True, max_length=200, help_text="Nova instance id")
  17     name = models.CharField(max_length=200, help_text="Sliver name")
  18     instance_name = models.CharField(blank=True, null=True, max_length=200, help_text="OpenStack generated name")
  19     ip = models.GenericIPAddressField(help_text="Sliver ip address", blank=True, null=True)
  20     image = models.ForeignKey(Image, related_name='slivers')
  21     #key = models.ForeignKey(Key, related_name='slivers')
  22     creator = models.ForeignKey(User, related_name='slivers', blank=True, null=True)
  23     slice = models.ForeignKey(Slice, related_name='slivers')
  24     node = models.ForeignKey(Node, related_name='slivers')
  25     deploymentNetwork = models.ForeignKey(Deployment, verbose_name='deployment', related_name='sliver_deploymentNetwork')
  26     numberCores = models.IntegerField(verbose_name="Number of Cores", help_text="Number of cores for sliver", default=0)
  27     tags = generic.GenericRelation(Tag)
  28
  29     def __unicode__(self):
  30         if self.instance_name:
  31             return u'%s' % (self.instance_name)
  32         elif self.id:
  33             return u'uninstantiated-%s' % str(self.id)
  34         elif self.slice:
  35             return u'unsaved-sliver on %s' % self.slice.name
  36         else:
  37             return u'unsaved-sliver'
  38
  39
  40     def save(self, *args, **kwds):
  41         if not self.name:
  42             self.name = self.slice.name
  43         if not self.creator and hasattr(self, 'caller'):
  44             self.creator = self.caller
  45         super(Sliver, self).save(*args, **kwds)