blob: 52a5dd6821d95ef870175e0366cf5ee4d052afdd [file] [log] [blame]
Siobhan Tully4bc09f22013-04-10 21:15:21 -04001import os
2from django.db import models
Siobhan Tully30fd4292013-05-10 08:59:56 -04003from core.models import PlCoreBase
4from core.models import Site
Tony Mackc195d722014-08-20 11:15:17 -04005from core.models.site import SitePrivilege
Siobhan Tully30fd4292013-05-10 08:59:56 -04006from core.models import User
7from core.models import Role
Tony Mack51c4a7d2014-11-30 15:33:35 -05008from core.models import Controller,ControllerLinkManager,ControllerLinkDeletionManager
Scott Bakere8d596f2013-05-13 23:17:13 -07009from core.models import ServiceClass
Scott Bakerd6dc5052014-09-12 12:24:24 -070010from core.models.serviceclass import get_default_serviceclass
Siobhan Tullyde5450d2013-06-21 11:35:33 -040011from core.models import Tag
12from django.contrib.contenttypes import generic
Siobhan Tullyce652d02013-10-08 21:52:35 -040013from core.models import Service
Tony Mack51c4a7d2014-11-30 15:33:35 -050014from core.models import Controller
Tony Mackdac85762014-09-03 13:19:42 -040015from django.core.exceptions import ValidationError
Siobhan Tully4bc09f22013-04-10 21:15:21 -040016
17# Create your models here.
18
19class Slice(PlCoreBase):
Tony Mack48952032013-04-12 11:49:34 -040020 name = models.CharField(unique=True, help_text="The Name of the Slice", max_length=80)
Siobhan Tully4bc09f22013-04-10 21:15:21 -040021 enabled = models.BooleanField(default=True, help_text="Status for this Slice")
Scott Bakerd6dc5052014-09-12 12:24:24 -070022 omf_friendly = models.BooleanField(default=False)
Siobhan Tully4bc09f22013-04-10 21:15:21 -040023 description=models.TextField(blank=True,help_text="High level description of the slice and expected activities", max_length=1024)
24 slice_url = models.URLField(blank=True, max_length=512)
Tony Mack360afb82013-12-17 13:32:45 -050025 site = models.ForeignKey(Site, related_name='slices', help_text="The Site this Slice belongs to")
Scott Bakerd6dc5052014-09-12 12:24:24 -070026 max_slivers = models.IntegerField(default=10)
Siobhan Tullyce652d02013-10-08 21:52:35 -040027 service = models.ForeignKey(Service, related_name='service', null=True, blank=True)
Scott Baker4b0cedd2014-04-22 21:01:21 -070028 network = models.CharField(default="Private Only",null=True, blank=True, max_length=256)
Siobhan Tullyde5450d2013-06-21 11:35:33 -040029 tags = generic.GenericRelation(Tag)
Scott Bakerd6dc5052014-09-12 12:24:24 -070030 serviceClass = models.ForeignKey(ServiceClass, related_name = "slices", null=True, default=get_default_serviceclass)
Tony Mack2bd5b412013-06-11 21:05:06 -040031 creator = models.ForeignKey(User, related_name='slices', blank=True, null=True)
Siobhan Tully231f4c82013-05-02 05:47:24 -040032
Scott Bakerffce7852015-01-03 16:26:38 -080033 # for tenant view
34 image_preference = models.CharField(default="Ubuntu 12.04 LTS", null=True, blank=True, max_length=256)
35 mount_data_sets = models.CharField(default="GenBank",null=True, blank=True, max_length=256)
36
Siobhan Tully4bc09f22013-04-10 21:15:21 -040037 def __unicode__(self): return u'%s' % (self.name)
38
Tony Mack2721d6f2014-08-11 11:14:58 -040039 @property
40 def slicename(self):
41 return "%s_%s" % (self.site.login_base, self.name)
42
Tony Mack62bc59a2013-04-14 23:27:12 -040043 def save(self, *args, **kwds):
Tony Mackdac85762014-09-03 13:19:42 -040044
45 site = Site.objects.get(id=self.site.id)
Tony Mack78070352014-09-24 12:44:22 -040046 # allow preexisting slices to keep their original name for now
47 if not self.id and not self.name.startswith(site.login_base):
Tony Mackdac85762014-09-03 13:19:42 -040048 raise ValidationError('slice name must begin with %s' % site.login_base)
49
Scott Bakere8d596f2013-05-13 23:17:13 -070050 if self.serviceClass is None:
51 # We allowed None=True for serviceClass because Django evolution
52 # will fail unless it is allowed. But, we we really don't want it to
53 # ever save None, so fix it up here.
54 self.serviceClass = ServiceClass.get_default()
Tony Mack2bd5b412013-06-11 21:05:06 -040055 if not self.creator and hasattr(self, 'caller'):
56 self.creator = self.caller
Tony Mack62bc59a2013-04-14 23:27:12 -040057 super(Slice, self).save(*args, **kwds)
58
Tony Mack5b061472014-02-04 07:57:10 -050059 def can_update(self, user):
60 if user.is_readonly:
61 return False
62 if user.is_admin:
63 return True
Tony Mackc195d722014-08-20 11:15:17 -040064 # slice admins can update
Tony Mack5b061472014-02-04 07:57:10 -050065 slice_privs = SlicePrivilege.objects.filter(user=user, slice=self)
66 for slice_priv in slice_privs:
Tony Mackc195d722014-08-20 11:15:17 -040067 if slice_priv.role.role == 'admin':
Tony Mack5b061472014-02-04 07:57:10 -050068 return True
Tony Mackc195d722014-08-20 11:15:17 -040069 # site pis can update
70 site_privs = SitePrivilege.objects.filter(user=user, site=self.site)
71 for site_priv in site_privs:
72 if site_priv.role.role == 'pi':
73 return True
74
Tony Mack5b061472014-02-04 07:57:10 -050075 return False
76
Tony Mack5b061472014-02-04 07:57:10 -050077 @staticmethod
78 def select_by_user(user):
79 if user.is_admin:
80 qs = Slice.objects.all()
81 else:
Tony Mack33df82b2014-08-20 11:29:40 -040082 # users can see slices they belong to
Tony Mack5b061472014-02-04 07:57:10 -050083 slice_ids = [sp.slice.id for sp in SlicePrivilege.objects.filter(user=user)]
Tony Mack33df82b2014-08-20 11:29:40 -040084 # pis can see slices at their sites
85 sites = [sp.site for sp in SitePrivilege.objects.filter(user=user)\
86 if sp.role.role == 'pi']
87 slice_ids.extend([s.id for s in Slice.objects.filter(site__in=sites)])
Tony Mack5b061472014-02-04 07:57:10 -050088 qs = Slice.objects.filter(id__in=slice_ids)
89 return qs
90
Tony Mack82d901b2014-10-22 13:30:41 -040091 def delete(self, *args, **kwds):
92 # delete networks associated with this slice
93 from core.models.network import Network
94 nets = Network.objects.filter(slices=self)
95 nets.delete()
Tony Mack51c4a7d2014-11-30 15:33:35 -050096 # delete slice controllers
97 slice_controllers = ControllerSlices.objects.filter(slice=self)
98 slice_controllers.delete()
Tony Macka8812242014-11-12 10:01:26 -050099 # delete slice privilege
100 slice_privileges = SlicePrivilege.objects.filter(slice=self)
101 slice_privileges.delete()
102 # continue with normal delete
Sapana283f502014-11-24 16:44:48 -0500103 super(Slice, self).delete(*args, **kwds)
Tony Macka8812242014-11-12 10:01:26 -0500104
Tony Mack82d901b2014-10-22 13:30:41 -0400105
Siobhan Tullybfd11dc2013-09-03 12:59:24 -0400106class SliceRole(PlCoreBase):
Siobhan Tullycf04fb62014-01-11 11:25:57 -0500107 ROLE_CHOICES = (('admin','Admin'),('default','Default'))
Siobhan Tullybfd11dc2013-09-03 12:59:24 -0400108
109 role = models.CharField(choices=ROLE_CHOICES, unique=True, max_length=30)
110
111 def __unicode__(self): return u'%s' % (self.role)
112
113class SlicePrivilege(PlCoreBase):
Sapan Bhatia6bfa2ca2014-11-11 21:47:45 -0500114 user = models.ForeignKey('User', related_name='sliceprivileges')
115 slice = models.ForeignKey('Slice', related_name='sliceprivileges')
116 role = models.ForeignKey('SliceRole',related_name='sliceprivileges')
Siobhan Tully4bc09f22013-04-10 21:15:21 -0400117
118 def __unicode__(self): return u'%s %s %s' % (self.slice, self.user, self.role)
Tony Mack5b061472014-02-04 07:57:10 -0500119
120 def can_update(self, user):
Tony Mackb7b4f842014-02-04 19:50:31 -0500121 return self.slice.can_update(user)
Tony Mack5b061472014-02-04 07:57:10 -0500122
Tony Mack5b061472014-02-04 07:57:10 -0500123 @staticmethod
124 def select_by_user(user):
125 if user.is_admin:
126 qs = SlicePrivilege.objects.all()
127 else:
128 sp_ids = [sp.id for sp in SlicePrivilege.objects.filter(user=user)]
129 qs = SlicePrivilege.objects.filter(id__in=sp_ids)
130 return qs
Tony Macke4be32f2014-03-11 20:45:25 -0400131
Tony Mack51c4a7d2014-11-30 15:33:35 -0500132class ControllerSlices(PlCoreBase):
133 objects = ControllerLinkManager()
134 deleted_objects = ControllerLinkDeletionManager()
Sapan Bhatiaa6609032014-09-22 14:55:08 -0400135
Tony Mack51c4a7d2014-11-30 15:33:35 -0500136 controller = models.ForeignKey(Controller, related_name='controllerslices')
137 slice = models.ForeignKey(Slice, related_name='controllerslices')
Tony Mackc218b592014-03-19 15:17:53 -0400138 tenant_id = models.CharField(null=True, blank=True, max_length=200, help_text="Keystone tenant id")
Tony Macke4be32f2014-03-11 20:45:25 -0400139
Tony Mack51c4a7d2014-11-30 15:33:35 -0500140 def __unicode__(self): return u'%s %s' % (self.slice, self.controller)
Tony Macke4be32f2014-03-11 20:45:25 -0400141
142 @staticmethod
143 def select_by_user(user):
144 if user.is_admin:
Tony Mack51c4a7d2014-11-30 15:33:35 -0500145 qs = ControllerSlices.objects.all()
Tony Macke4be32f2014-03-11 20:45:25 -0400146 else:
147 slices = Slice.select_by_user(user)
Tony Mack51c4a7d2014-11-30 15:33:35 -0500148 qs = ControllerSlices.objects.filter(slice__in=slices)
Tony Macke4be32f2014-03-11 20:45:25 -0400149 return qs
Sapan Bhatia772c7c22014-12-16 01:09:04 -0500150
151 def get_cpu_stats(self):
152 filter = 'project_id=%s'%self.tenant_id
153 return monitor.get_meter('cpu',filter,None)
154
155 def get_bw_stats(self):
156 filter = 'project_id=%s'%self.tenant_id
157 return monitor.get_meter('network.outgoing.bytes',filter,None)
158
159 def get_node_stats(self):
160 return len(self.slice.slivers)