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