Revision ce9abd26 snf-cyclades-app/synnefo/db/models.py
| b/snf-cyclades-app/synnefo/db/models.py | ||
|---|---|---|
| 155 | 155 |
"with backend: %s" % self) |
| 156 | 156 |
else: |
| 157 | 157 |
# ON_DELETE = SET NULL |
| 158 |
for vm in self.virtual_machines.all(): |
|
| 159 |
vm.backend = None |
|
| 160 |
vm.save() |
|
| 158 | 161 |
self.virtual_machines.all().backend = None |
| 159 | 162 |
# Remove BackendNetworks of this Backend. |
| 160 | 163 |
# Do not use networks.all().delete(), since delete() method of |
| ... | ... | |
| 168 | 171 |
if not self.pk: |
| 169 | 172 |
# Generate a unique index for the Backend |
| 170 | 173 |
indexes = Backend.objects.all().values_list('index', flat=True)
|
| 171 |
first_free = [x for x in xrange(0, 16) if x not in indexes][0] |
|
| 172 |
self.index = first_free |
|
| 174 |
try: |
|
| 175 |
first_free = [x for x in xrange(0, 16) if x not in indexes][0] |
|
| 176 |
self.index = first_free |
|
| 177 |
except IndexError: |
|
| 178 |
raise Exception("Can not create more than 16 backends")
|
|
| 173 | 179 |
|
| 174 | 180 |
|
| 175 | 181 |
# A backend job may be in one of the following possible states |
| ... | ... | |
| 520 | 526 |
|
| 521 | 527 |
backends = [backend] if backend else Backend.objects.all() |
| 522 | 528 |
for backend in backends: |
| 523 |
BackendNetwork.objects.create(backend=backend, network=self) |
|
| 529 |
if not BackendNetwork.objects.filter(backend=backend, network=self)\ |
|
| 530 |
.exists(): |
|
| 531 |
BackendNetwork.objects.create(backend=backend, network=self) |
|
| 524 | 532 |
|
| 525 | 533 |
def get_pool(self): |
| 526 | 534 |
if not self.pool_id: |
Also available in: Unified diff