blob: 3f5005085848b4990653968cf3636ccd4a493f56 [file] [log] [blame]
import re
from plstackapi.openstack.client import OpenStackClient
from plstackapi.openstack.driver import OpenStackDriver
from plstackapi.core.api.auth import auth_check
from plstackapi.core.models import Slice, Site
def validate_name(name):
# N.B.: Responsibility of the caller to ensure that login_base
# portion of the slice name corresponds to a valid site, if
# desired.
# 1. Lowercase.
# 2. Begins with login_base (letters or numbers).
# 3. Then single underscore after login_base.
# 4. Then letters, numbers, or underscores.
good_name = r'^[a-z0-9]+_[a-zA-Z0-9_]+$'
if not name or \
not re.match(good_name, name):
raise Exception, "Invalid slice name: %s" % name
def lookup_site(fields):
site = None
if 'name' in fields:
validate_name(fields['name'])
login_base = fields['name'][:fields['name'].find('_')]
sites = Site.objects.filter(login_base=login_base)
if sites:
site = sites[0]
elif 'site' in fields:
if isinstance(fields['site'], int):
sites = Site.objects.filter(id=fields['site'])
else:
sites = Site.objects.filter(login_base=fields['site'])
if sites:
site = sites[0]
return site
def add_slice(auth, fields):
driver = OpenStackDriver(client = auth_check(auth))
site = lookup_site(fields)
if site: fields['site'] = site
slice = Slice(**fields)
# create tenant
nova_fields = {'tenant_name': slice.name,
'description': slice.description,
'enabled': slice.enabled}
tenant = driver.create_tenant(**nova_fields)
slice.tenant_id=tenant.id
# create network
network = driver.create_network(slice.name)
slice.network_id = network['id']
# create router
router = driver.create_router(slice.name)
slice.router_id = router['id']
slice.save()
return slice
def update_slice(auth, id, **fields):
driver = OpenStackDriver(client = auth_check(auth))
slices = Slice.objects.filter(id=id)
if not slices:
return
# update tenant
slice = slices[0]
nova_fields = {}
if 'name' in fields:
nova_fields['tenant_name'] = fields['name']
if 'description' in fields:
nova_fields['description'] = fields['description']
if 'enabled' in fields:
nova_fields['enabled'] = fields['enabled']
driver.update_tenant(slice.tenant_id, **nova_fields)
# update db record
site = lookup_site(fields)
if site: fields['site'] = site
slice.update(**fields)
return slice
def delete_slice(auth, filter={}):
driver = OpenStackDriver(client = auth_check(auth))
slices = Slice.objects.filter(**filter)
for slice in slices:
driver.delete_slice(id=slice.tenant_id)
slice.delete()
return 1
def get_slices(auth, filter={}):
client = auth_check(auth)
if 'site' in filter:
site = lookup_site(filter)
if site: filter['site'] = site
slices = Slice.objects.filter(**filter)
return slices