2 from plstackapi.openstack.client import OpenStackClient
3 from plstackapi.openstack.driver import OpenStackDriver
4 from plstackapi.core.api.auth import auth_check
5 from plstackapi.core.models import Slice, Site
7 def validate_name(name):
8 # N.B.: Responsibility of the caller to ensure that login_base
9 # portion of the slice name corresponds to a valid site, if
13 # 2. Begins with login_base (letters or numbers).
14 # 3. Then single underscore after login_base.
15 # 4. Then letters, numbers, or underscores.
16 good_name = r'^[a-z0-9]+_[a-zA-Z0-9_]+$'
18 not re.match(good_name, name):
19 raise Exception, "Invalid slice name: %s" % name
21 def lookup_site(fields):
24 validate_name(fields['name'])
25 login_base = fields['name'][:fields['name'].find('_')]
26 sites = Site.objects.filter(login_base=login_base)
29 elif 'site' in fields:
30 if isinstance(fields['site'], int):
31 sites = Site.objects.filter(id=fields['site'])
33 sites = Site.objects.filter(login_base=fields['site'])
38 def add_slice(auth, fields):
39 driver = OpenStackDriver(client = auth_check(auth))
40 site = lookup_site(fields)
41 if site: fields['site'] = site
42 slice = Slice(**fields)
44 nova_fields = {'tenant_name': slice.name,
45 'description': slice.description,
46 'enabled': slice.enabled}
47 tenant = driver.create_tenant(**nova_fields)
48 slice.tenant_id=tenant.id
51 network = driver.create_network(slice.name)
52 slice.network_id = network['id']
55 router = driver.create_router(slice.name)
56 slice.router_id = router['id']
61 def update_slice(auth, id, **fields):
62 driver = OpenStackDriver(client = auth_check(auth))
63 slices = Slice.objects.filter(id=id)
71 nova_fields['tenant_name'] = fields['name']
72 if 'description' in fields:
73 nova_fields['description'] = fields['description']
74 if 'enabled' in fields:
75 nova_fields['enabled'] = fields['enabled']
76 driver.update_tenant(slice.tenant_id, **nova_fields)
79 site = lookup_site(fields)
80 if site: fields['site'] = site
81 slice.update(**fields)
85 def delete_slice(auth, filter={}):
86 driver = OpenStackDriver(client = auth_check(auth))
87 slices = Slice.objects.filter(**filter)
89 driver.delete_slice(id=slice.tenant_id)
93 def get_slices(auth, filter={}):
94 client = auth_check(auth)
96 site = lookup_site(filter)
97 if site: filter['site'] = site
98 slices = Slice.objects.filter(**filter)