def _flavor_create(context, values):
specs = values.get('extra_specs')
db_specs = []
if specs:
for k, v in specs.items():
db_spec = api_models.FlavorExtraSpecs()
db_spec['key'] = k
db_spec['value'] = v
db_specs.append(db_spec)
projects = values.get('projects')
db_projects = []
if projects:
for project in set(projects):
db_project = api_models.FlavorProjects()
db_project['project_id'] = project
db_projects.append(db_project)
values['extra_specs'] = db_specs
values['projects'] = db_projects
db_flavor = api_models.Flavors()
db_flavor.update(values)
try:
db_flavor.save(context.session)
except db_exc.DBDuplicateEntry as e:
if 'flavorid' in e.columns:
raise exception.FlavorIdExists(flavor_id=values['flavorid'])
raise exception.FlavorExists(name=values['name'])
except Exception as e:
raise db_exc.DBError(e)
return _dict_with_extra_specs(db_flavor)
def _flavor_extra_specs_add(context, flavor_id, specs, max_retries=10):
writer = db_api.api_context_manager.writer
for attempt in range(max_retries):
try:
spec_refs = context.session.query(
api_models.FlavorExtraSpecs).\
filter_by(flavor_id=flavor_id).\
filter(api_models.FlavorExtraSpecs.key.in_(
specs.keys())).\
all()
existing_keys = set()
for spec_ref in spec_refs:
key = spec_ref["key"]
existing_keys.add(key)
with writer.savepoint.using(context):
spec_ref.update({"value": specs[key]})
for key, value in specs.items():
if key in existing_keys:
continue
spec_ref = api_models.FlavorExtraSpecs()
with writer.savepoint.using(context):
spec_ref.update({"key": key, "value": value,
"flavor_id": flavor_id})
context.session.add(spec_ref)
return specs
except db_exc.DBDuplicateEntry:
# a concurrent transaction has been committed,
# try again unless this was the last attempt
if attempt == max_retries - 1:
raise exception.FlavorExtraSpecUpdateCreateFailed(
id=flavor_id, retries=max_retries)
def test_tables_flavor_instance_type_extra_specs(self):
flavor_extra_specs = api_models.FlavorExtraSpecs()
instance_type_extra_specs = models.InstanceTypeExtraSpecs()
columns_flavor_extra_specs = self._get_columns_list(flavor_extra_specs)
columns_instance_type_extra_specs = self._get_columns_list(
instance_type_extra_specs)
columns_flavor_extra_specs.remove('flavor_id')
columns_instance_type_extra_specs.remove('instance_type_id')
self.assertTrue(
self._check_column_list(columns_flavor_extra_specs,
columns_instance_type_extra_specs))
def _create_api_flavor(context):
fake_db_flavor = dict(fake_api_flavor)
del fake_db_flavor['extra_specs']
flavor = api_models.Flavors()
flavor.update(fake_db_flavor)
flavor.save(context.session)
fake_db_extra_spec = {
'flavor_id': flavor['id'],
'key': 'foo',
'value': 'bar'
}
flavor_es = api_models.FlavorExtraSpecs()
flavor_es.update(fake_db_extra_spec)
flavor_es.save(context.session)
return flavor
