deployment = models.ForeignKey(Deployment,related_name='sitedeployments')
controller = models.ForeignKey(Controller, null=True, blank=True, related_name='sitedeployments')
availability_zone = models.CharField(max_length=200, null=True, blank=True, help_text="OpenStack availability zone")
deployment = models.ForeignKey(Deployment,related_name='sitedeployments')
controller = models.ForeignKey(Controller, null=True, blank=True, related_name='sitedeployments')
availability_zone = models.CharField(max_length=200, null=True, blank=True, help_text="OpenStack availability zone")