2 from django.db import models
3 from core.models import PlCoreBase
4 from core.models import Site
5 from core.models.site import SitePrivilege
6 from core.models import User
7 from core.models import Role
8 from core.models import Deployment
9 from core.models import ServiceClass
10 from core.models import Tag
11 from django.contrib.contenttypes import generic
12 from core.models import Service
13 from core.models import Deployment
14 from django.core.exceptions import ValidationError
16 # Create your models here.
18 class Slice(PlCoreBase):
19 name = models.CharField(unique=True, help_text="The Name of the Slice", max_length=80)
20 enabled = models.BooleanField(default=True, help_text="Status for this Slice")
21 omf_friendly = models.BooleanField()
22 description=models.TextField(blank=True,help_text="High level description of the slice and expected activities", max_length=1024)
23 slice_url = models.URLField(blank=True, max_length=512)
24 site = models.ForeignKey(Site, related_name='slices', help_text="The Site this Slice belongs to")
25 max_slivers = models.IntegerField(default=10)
26 imagePreference = models.CharField(default="Ubuntu 12.04 LTS", null=True, blank=True, max_length=256)
27 service = models.ForeignKey(Service, related_name='service', null=True, blank=True)
28 network = models.CharField(default="Private Only",null=True, blank=True, max_length=256)
29 mountDataSets = models.CharField(default="GenBank",null=True, blank=True, max_length=256)
30 tags = generic.GenericRelation(Tag)
32 serviceClass = models.ForeignKey(ServiceClass, related_name = "slices", null=True, default=ServiceClass.get_default)
33 creator = models.ForeignKey(User, related_name='slices', blank=True, null=True)
35 def __unicode__(self): return u'%s' % (self.name)
39 return "%s_%s" % (self.site.login_base, self.name)
41 def save(self, *args, **kwds):
43 site = Site.objects.get(id=self.site.id)
44 if not self.name.startswith(site.login_base):
45 raise ValidationError('slice name must begin with %s' % site.login_base)
47 if self.serviceClass is None:
48 # We allowed None=True for serviceClass because Django evolution
49 # will fail unless it is allowed. But, we we really don't want it to
50 # ever save None, so fix it up here.
51 self.serviceClass = ServiceClass.get_default()
52 if not self.creator and hasattr(self, 'caller'):
53 self.creator = self.caller
54 super(Slice, self).save(*args, **kwds)
56 def can_update(self, user):
61 # slice admins can update
62 slice_privs = SlicePrivilege.objects.filter(user=user, slice=self)
63 for slice_priv in slice_privs:
64 if slice_priv.role.role == 'admin':
67 site_privs = SitePrivilege.objects.filter(user=user, site=self.site)
68 for site_priv in site_privs:
69 if site_priv.role.role == 'pi':
75 def select_by_user(user):
77 qs = Slice.objects.all()
79 # users can see slices they belong to
80 slice_ids = [sp.slice.id for sp in SlicePrivilege.objects.filter(user=user)]
81 # pis can see slices at their sites
82 sites = [sp.site for sp in SitePrivilege.objects.filter(user=user)\
83 if sp.role.role == 'pi']
84 slice_ids.extend([s.id for s in Slice.objects.filter(site__in=sites)])
85 qs = Slice.objects.filter(id__in=slice_ids)
88 class SliceRole(PlCoreBase):
89 ROLE_CHOICES = (('admin','Admin'),('default','Default'))
91 role = models.CharField(choices=ROLE_CHOICES, unique=True, max_length=30)
93 def __unicode__(self): return u'%s' % (self.role)
95 class SlicePrivilege(PlCoreBase):
96 user = models.ForeignKey('User', related_name='slice_privileges')
97 slice = models.ForeignKey('Slice', related_name='slice_privileges')
98 role = models.ForeignKey('SliceRole')
100 def __unicode__(self): return u'%s %s %s' % (self.slice, self.user, self.role)
102 def can_update(self, user):
103 return self.slice.can_update(user)
106 def select_by_user(user):
108 qs = SlicePrivilege.objects.all()
110 sp_ids = [sp.id for sp in SlicePrivilege.objects.filter(user=user)]
111 qs = SlicePrivilege.objects.filter(id__in=sp_ids)
114 class SliceDeployments(PlCoreBase):
115 slice = models.ForeignKey(Slice)
116 deployment = models.ForeignKey(Deployment)
117 tenant_id = models.CharField(null=True, blank=True, max_length=200, help_text="Keystone tenant id")
118 network_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum network")
119 router_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum router id")
120 subnet_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum subnet id")
122 def __unicode__(self): return u'%s %s' % (self.slice, self.deployment)
125 def select_by_user(user):
127 qs = SliceDeployments.objects.all()
129 slices = Slice.select_by_user(user)
130 qs = SliceDeployments.objects.filter(slice__in=slices)