planetstack/core/models/image.py

   1 import os
   2 from django.db import models
   3 from core.models import PlCoreBase
   4 from core.models import Deployment,Controller,ControllerLinkManager,ControllerLinkDeletionManager
   5
   6 # Create your models here.
   7
   8 class Image(PlCoreBase):
   9     name = models.CharField(max_length=256, unique=True)
  10     disk_format = models.CharField(max_length=256)
  11     container_format = models.CharField(max_length=256)
  12     path = models.CharField(max_length=256, null=True, blank=True, help_text="Path to image on local disk")
  13     deployments = models.ManyToManyField('Deployment', through='ImageDeployments', blank=True, help_text="Select which images should be instantiated on this deployment", related_name='images')
  14
  15     def __unicode__(self):  return u'%s' % (self.name)
  16
  17 class ImageDeployments(PlCoreBase):
  18     image = models.ForeignKey(Image,related_name='imagedeployments')
  19     deployment = models.ForeignKey(Deployment,related_name='imagedeployments')
  20
  21     def __unicode__(self):  return u'%s %s' % (self.image, self.deployment)
  22
  23 class ControllerImages(PlCoreBase):
  24     objects = ControllerLinkManager()
  25     deleted_objects = ControllerLinkDeletionManager()
  26     image = models.ForeignKey(Image,related_name='controllerimages')
  27     controller = models.ForeignKey(Controller,related_name='controllerimages')
  28     glance_image_id = models.CharField(null=True, blank=True, max_length=200, help_text="Glance image id")
  29
  30     def __unicode__(self):  return u'%s %s' % (self.image, self.controller)
  31
  32