planetstack/core/models/site.py

   1 import os
   2 from django.db import models
   3 from core.models import PlCoreBase,PlCoreBaseManager,PlCoreBaseDeletionManager
   4 from core.models import Tag
   5 from django.contrib.contenttypes import generic
   6 from geoposition.fields import GeopositionField
   7 from core.acl import AccessControlList
   8
   9 class DeploymentDeletionManager(PlCoreBaseDeletionManager):
  10     def get_queryset(self):
  11         parent=super(DeploymentDeletionManager, self)
  12         if hasattr(parent, "get_queryset"):
  13             return parent.get_queryset().filter(Q(backend_type=config.observer_backend_type)|Q(backend_type=None))
  14         else:
  15             return parent.get_queryset().filter(Q(backend_type=config.observer_backend_type)|Q(backend_type=None))
  16
  17     # deprecated in django 1.7 in favor of get_queryset().
  18     def get_query_set(self):
  19         return self.get_queryset()
  20
  21 class DeploymentLinkManager(PlCoreBaseManager):
  22     def get_queryset(self):
  23         parent=super(DeploymentLinkManager, self)
  24         if hasattr(parent, "get_queryset"):
  25             return parent.get_queryset().filter(Q(deployment__backend_type=config.observer_backend_type)|Q(backend_type=None))
  26         else:
  27             return parent.get_queryset().filter(Q(deployment__backend_type=config.observer_backend_type)|Q(backend_type=None))
  28
  29     # deprecated in django 1.7 in favor of get_queryset().
  30     def get_query_set(self):
  31         return self.get_queryset()
  32
  33
  34 class DeploymentManager(PlCoreBaseManager):
  35     def get_queryset(self):
  36         parent=super(DeploymentManager, self)
  37         if hasattr(parent, "get_queryset"):
  38             return parent.get_queryset().filter(Q(backend_type=config.observer_backend_type)|Q(backend_type=None))
  39         else:
  40             return parent.get_queryset().filter(Q(backend_type=config.observer_backend_type)|Q(backend_type=None))
  41
  42     # deprecated in django 1.7 in favor of get_queryset().
  43     def get_query_set(self):
  44         return self.get_queryset()
  45
  46 class Site(PlCoreBase):
  47     """
  48         A logical grouping of Nodes that are co-located at the same geographic location, which also typically corresponds to the Nodes' location in the physical network.
  49     """
  50     name = models.CharField(max_length=200, help_text="Name for this Site")
  51     site_url = models.URLField(null=True, blank=True, max_length=512, help_text="Site's Home URL Page")
  52     enabled = models.BooleanField(default=True, help_text="Status for this Site")
  53     location = GeopositionField()
  54     longitude = models.FloatField(null=True, blank=True)
  55     latitude = models.FloatField(null=True, blank=True)
  56     login_base = models.CharField(max_length=50, unique=True, help_text="Prefix for Slices associated with this Site")
  57     is_public = models.BooleanField(default=True, help_text="Indicates the visibility of this site to other members")
  58     abbreviated_name = models.CharField(max_length=80)
  59
  60     #deployments = models.ManyToManyField('Deployment', blank=True, related_name='sites')
  61     deployments = models.ManyToManyField('Deployment', through='SiteDeployments', blank=True, help_text="Select which sites are allowed to host nodes in this deployment", related_name='sites')
  62     tags = generic.GenericRelation(Tag)
  63
  64     def __unicode__(self):  return u'%s' % (self.name)
  65
  66     def can_update(self, user):
  67         if user.is_readonly:
  68             return False
  69         if user.is_admin:
  70             return True
  71         site_privs = SitePrivilege.objects.filter(user=user, site=self)
  72         for site_priv in site_privs:
  73             if site_priv.role.role == 'pi':
  74                 return True
  75         return False
  76
  77     @staticmethod
  78     def select_by_user(user):
  79         if user.is_admin:
  80             qs = Site.objects.all()
  81         else:
  82             site_ids = [sp.site.id for sp in SitePrivilege.objects.filter(user=user)]
  83             site_ids.append(user.site.id)
  84             qs = Site.objects.filter(id__in=site_ids)
  85         return qs
  86
  87
  88 class SiteRole(PlCoreBase):
  89
  90     ROLE_CHOICES = (('admin','Admin'),('pi','PI'),('tech','Tech'),('billing','Billing'))
  91     role = models.CharField(choices=ROLE_CHOICES, unique=True, max_length=30)
  92
  93     def __unicode__(self):  return u'%s' % (self.role)
  94
  95 class SitePrivilege(PlCoreBase):
  96
  97     user = models.ForeignKey('User', related_name='site_privileges')
  98     site = models.ForeignKey('Site', related_name='site_privileges')
  99     role = models.ForeignKey('SiteRole')
 100
 101     def __unicode__(self):  return u'%s %s %s' % (self.site, self.user, self.role)
 102
 103     def save(self, *args, **kwds):
 104         super(SitePrivilege, self).save(*args, **kwds)
 105
 106     def delete(self, *args, **kwds):
 107         super(SitePrivilege, self).delete(*args, **kwds)
 108
 109     def can_update(self, user):
 110         return self.site.can_update(user)
 111
 112     @staticmethod
 113     def select_by_user(user):
 114         if user.is_admin:
 115             qs = SitePrivilege.objects.all()
 116         else:
 117             sp_ids = [sp.id for sp in SitePrivilege.objects.filter(user=user)]
 118             qs = SitePrivilege.objects.filter(id__in=sp_ids)
 119         return qs
 120
 121 class Deployment(PlCoreBase):
 122     name = models.CharField(max_length=200, unique=True, help_text="Name of the Deployment")
 123     admin_user = models.CharField(max_length=200, null=True, blank=True, help_text="Username of an admin user at this deployment")
 124     admin_password = models.CharField(max_length=200, null=True, blank=True, help_text="Password of theadmin user at this deployment")\r
 125     admin_tenant = models.CharField(max_length=200, null=True, blank=True, help_text="Name of the tenant the admin user belongs to")\r
 126     auth_url = models.CharField(max_length=200, null=True, blank=True, help_text="Auth url for the deployment")
 127     backend_type = models.CharField(max_length=200, null=True, blank=True, help_text="Type of deployment, e.g. EC2, OpenStack, or OpenStack version")
 128
 129     # smbaker: the default of 'allow all' is intended for evolutions of existing
 130     #    deployments. When new deployments are created via the GUI, they are
 131     #    given a default of 'allow site <site_of_creator>'
 132     accessControl = models.TextField(max_length=200, blank=False, null=False, default="allow all",
 133                                      help_text="Access control list that specifies which sites/users may use nodes in this deployment")
 134
 135     def get_acl(self):
 136         return AccessControlList(self.accessControl)
 137
 138     def test_acl(self, slice=None, user=None):
 139         potential_users=[]
 140
 141         if user:
 142             potential_users.append(user)
 143
 144         if slice:
 145             potential_users.append(slice.creator)
 146             for priv in slice.slice_privileges.all():
 147                 if priv.user not in potential_users:
 148                     potential_users.append(priv.user)
 149
 150         acl = self.get_acl()
 151         for user in potential_users:
 152             if acl.test(user) == "allow":
 153                 return True
 154
 155         return False
 156
 157     @staticmethod
 158     def select_by_acl(user):
 159         ids = []
 160         for deployment in Deployment.objects.all():
 161             acl = deployment.get_acl()
 162             if acl.test(user) == "allow":
 163                 ids.append(deployment.id)
 164
 165         return Deployment.objects.filter(id__in=ids)
 166
 167     def __unicode__(self):  return u'%s' % (self.name)
 168
 169     @staticmethod
 170     def select_by_user(user):
 171         return Deployment.objects.all()
 172
 173 class DeploymentRole(PlCoreBase):
 174
 175     ROLE_CHOICES = (('admin','Admin'),)
 176     role = models.CharField(choices=ROLE_CHOICES, unique=True, max_length=30)
 177
 178     def __unicode__(self):  return u'%s' % (self.role)
 179
 180 class DeploymentPrivilege(PlCoreBase):
 181
 182     user = models.ForeignKey('User', related_name='deployment_privileges')
 183     deployment = models.ForeignKey('Deployment', related_name='deployment_privileges')
 184     role = models.ForeignKey('DeploymentRole')
 185
 186     def __unicode__(self):  return u'%s %s %s' % (self.deployment, self.user, self.role)
 187
 188     def can_update(self, user):
 189         if user.is_readonly:
 190             return False
 191         if user.is_admin:
 192             return True
 193         dprivs = DeploymentPrivilege.objects.filter(user=user)
 194         for dpriv in dprivs:
 195             if dpriv.role.role == 'admin':
 196                 return True
 197         return False
 198
 199     @staticmethod
 200     def select_by_user(user):
 201         if user.is_admin:
 202             qs = DeploymentPrivilege.objects.all()
 203         else:
 204             dpriv_ids = [dp.id for dp in DeploymentPrivilege.objects.filter(user=user)]
 205             qs = DeploymentPrivilege.objects.filter(id__in=dpriv_ids)
 206         return qs
 207
 208 class SiteDeployments(PlCoreBase):
 209     site = models.ForeignKey(Site)
 210     deployment = models.ForeignKey(Deployment)
 211     tenant_id = models.CharField(null=True, blank=True, max_length=200, help_text="Keystone tenant id")
 212
 213     @staticmethod
 214     def select_by_user(user):
 215         return SiteDeployments.objects.all()
 216
 217     #class Meta:
 218     #    db_table = 'core_site_deployments'
 219     #    #auto_created = Site
 220