def extarq_create(self, context, values):
if not values.get('uuid'):
values['uuid'] = uuidutils.generate_uuid()
if values.get('id'):
values.pop('id', None)
if values.get('device_profile_id'):
pass # Already have the devprof id, so nothing to do
elif values.get('device_profile_name'):
devprof = self.device_profile_get(context,
values['device_profile_name'])
values['device_profile_id'] = devprof['id']
else:
raise exception.DeviceProfileNameNeeded()
extarq = models.ExtArq()
extarq.update(values)
with _session_for_write() as session:
try:
session.add(extarq)
session.flush()
except db_exc.DBDuplicateEntry:
raise exception.ExtArqAlreadyExists(uuid=values['uuid'])
return extarq
def _validate_post_request(self, req_devprof):
NAME = "^[a-zA-Z0-9-_]+$"
keys = '|'.join(["resources:", "trait:", "accel:"])
GROUP_KEYS = "^(%s)" % keys
TRAIT_VALUES = ["required", "forbidden"]
name = req_devprof.get("name")
if not name:
raise exception.DeviceProfileNameNeeded()
elif not re.match(NAME, name):
raise exception.InvalidParameterValue(
err="Device profile name must be of the form %s" % NAME)
groups = req_devprof.get("groups")
if not groups:
raise exception.DeviceProfileGroupsExpected()
else:
for group in groups:
for key, value in group.items():
if not re.match(GROUP_KEYS, key):
raise exception.InvalidParameterValue(
err="Device profile group keys must be of "
" the form %s" % GROUP_KEYS)
if key.startswith("trait:") and value not in TRAIT_VALUES:
raise exception.InvalidParameterValue(
err="Device profile trait values must be one "
"among %s" % TRAIT_VALUES)
def _validate_post_request(self, req_devprof):
NAME = "^[a-zA-Z0-9-_]+$"
keys = '|'.join(["resources:", "trait:", "accel:"])
GROUP_KEYS = "^(%s)" % keys
TRAIT_VALUES = ["required", "forbidden"]
name = req_devprof.get("name")
if not name:
raise exception.DeviceProfileNameNeeded()
elif not re.match(NAME, name):
raise exception.InvalidParameterValue(
err="Device profile name must be of the form %s" % NAME)
groups = req_devprof.get("groups")
if not groups:
raise exception.DeviceProfileGroupsExpected()
for group in groups:
tmp_group = copy.deepcopy(group)
for key, value in tmp_group.items():
# check resource and trait prefix format
if not re.match(GROUP_KEYS, key):
raise exception.InvalidParameterValue(
err="Device profile group keys must be of "
" the form %s" % GROUP_KEYS)
# check trait name and it's value
if key.startswith("trait:"):
inner_origin_trait = ":".join(key.split(":")[1:])
inner_trait = inner_origin_trait.strip(" ")
if not inner_trait.startswith('CUSTOM_'):
raise exception.InvalidParameterValue(
err="Unsupported trait name format %s, should "
"start with CUSTOM_" % inner_trait)
if value not in TRAIT_VALUES:
raise exception.InvalidParameterValue(
err="Unsupported trait value %s, the value must"
" be one among %s" % TRAIT_VALUES)
# strip " " and update old group key.
if inner_origin_trait != inner_trait:
del group[key]
standard_key = "trait:" + inner_trait
group[standard_key] = value
# check rc name and it's value
if key.startswith("resources:"):
inner_origin_rc = ":".join(key.split(":")[1:])
inner_rc = inner_origin_rc.strip(" ")
if inner_rc not in constants.SUPPORT_RESOURCES and \
not inner_rc.startswith('CUSTOM_'):
raise exception.InvalidParameterValue(
err="Unsupported resource class %s" % inner_rc)
try:
int(value)
except ValueError:
raise exception.InvalidParameterValue(
err="Resources nummber %s is invalid" % value)
# strip " " and update old group key.
if inner_origin_rc != inner_rc:
del group[key]
standard_key = "resources:" + inner_rc
group[standard_key] = value
def post(self, req):
"""Create one or more ARQs for a single device profile.
Request body:
{ 'device_profile_name': <string> }
Future:
{ 'device_profile_name': <string> # required
'device_profile_group_id': <integer>, # opt, default=0
'image_uuid': <glance-image-UUID>, #optional, for future
}
:param req: request body.
"""
LOG.info("[arq] post req = (%s)", req)
context = pecan.request.context
dp_name = req.get('device_profile_name')
if dp_name is not None:
try:
devprof = objects.DeviceProfile.get_by_name(context, dp_name)
except exception.ResourceNotFound:
raise exception.ResourceNotFound(resource='Device Profile',
msg='with name=%s' % dp_name)
except Exception as e:
raise e
else:
raise exception.DeviceProfileNameNeeded()
LOG.info('[arqs] post. device profile name=%s', dp_name)
extarq_list = []
for group_id, group in enumerate(devprof.groups):
accel_resources = [
int(val) for key, val in group.items()
if key.startswith('resources')
]
# If/when we introduce non-accelerator resources, like
# device-local memory, the key search above needs to be
# made specific to accelerator resources only.
num_accels = sum(accel_resources)
arq_fields = {
'device_profile_name': devprof.name,
'device_profile_group_id': group_id,
}
for i in range(num_accels):
obj_arq = objects.ARQ(context, **arq_fields)
extarq_fields = {'arq': obj_arq}
obj_extarq = objects.ExtARQ(context, **extarq_fields)
new_extarq = pecan.request.conductor_api.arq_create(
context, obj_extarq, devprof.id)
extarq_list.append(new_extarq)
ret = ARQCollection.convert_with_links(
[extarq.arq for extarq in extarq_list])
LOG.info('[arqs] post returned: %s', ret)
return ret