def put():
"""
Handles PUT /caps/mba_ctrl request.
Raises BadRequest, InternalError
Returns:
response, status code
"""
json_data = request.get_json()
# validate request
try:
schema, resolver = ConfigStore.load_json_schema(
'modify_mba_ctrl.json')
jsonschema.validate(json_data, schema, resolver=resolver)
except jsonschema.ValidationError as error:
raise BadRequest("Request validation failed - %s" % (str(error)))
if not caps.mba_bw_supported():
return {'message': "MBA CTRL not supported!"}, 409
if common.CONFIG_STORE.is_any_pool_defined():
return {'message': "Please remove all Pools first!"}, 409
data = deepcopy(common.CONFIG_STORE.get_config())
CapsMbaCtrl.set_mba_ctrl_enabled(data, json_data['enabled'])
common.CONFIG_STORE.set_config(data)
return {'message': "MBA CTRL status changed."}, 200
def _validate_rdt(data):
"""
Validate RDT configuration (including MBA CTRL) configuration
Parameters
data: configuration (dict)
"""
# if data to be validated does not contain RDT iface and/or MBA CTRL info
# get missing info from current configuration
rdt_iface = data['rdt_iface']['interface'] if 'rdt_iface' in data\
else common.CONFIG_STORE.get_rdt_iface()
mba_ctrl_enabled = data['mba_ctrl']['enabled'] if 'mba_ctrl' in data\
else common.CONFIG_STORE.get_mba_ctrl_enabled()
if mba_ctrl_enabled and rdt_iface != "os":
raise ValueError(
"RDT Configuration. MBA CTRL requires RDT OS interface!")
if mba_ctrl_enabled and not caps.mba_bw_supported():
raise ValueError(
"RDT Configuration. MBA CTRL requested but not supported!")
if not 'pools' in data:
return
mba_pool_ids = []
mba_bw_pool_ids = []
for pool in data['pools']:
if 'cbm' in pool:
result = re.search('1{1,32}0{1,32}1{1,32}', bin(pool['cbm']))
if result or pool['cbm'] == 0:
raise ValueError("Pool {}, CBM {}/{} is not contiguous."\
.format(pool['id'], hex(pool['cbm']), bin(pool['cbm'])))
if not caps.cat_supported():
raise ValueError("Pool {}, CBM {}/{}, CAT is not supported."\
.format(pool['id'], hex(pool['cbm']), bin(pool['cbm'])))
if 'mba' in pool:
mba_pool_ids.append(pool['id'])
if 'mba_bw' in pool:
mba_bw_pool_ids.append(pool['id'])
if (mba_pool_ids or mba_bw_pool_ids) and not caps.mba_supported():
raise ValueError("Pools {}, MBA is not supported."\
.format(mba_pool_ids + mba_bw_pool_ids))
if mba_bw_pool_ids and not mba_ctrl_enabled:
raise ValueError("Pools {}, MBA BW is not enabled/supported."\
.format(mba_bw_pool_ids))
if mba_pool_ids and mba_ctrl_enabled:
raise ValueError("Pools {}, MBA % is not enabled. Disable MBA BW and try again."\
.format(mba_pool_ids))
return
def get():
"""
Handles HTTP /caps/mba_ctrl request.
Retrieve MBA CTRL capability and current state details
Returns:
response, status code
"""
res = {
'supported': caps.mba_bw_supported(),
'enabled': caps.mba_bw_enabled()
}
return res, 200
def check_alloc_tech(pool_id, json_data):
if 'cbm' in json_data:
if not caps.cat_l3_supported():
raise BadRequest("System does not support CAT!")
if pool_id > common.PQOS_API.get_max_cos_id([common.CAT_L3_CAP]):
raise BadRequest("Pool {} does not support CAT".format(pool_id))
if 'mba' in json_data or 'mba_bw' in json_data:
if not caps.mba_supported():
raise BadRequest("System does not support MBA!")
if pool_id > common.PQOS_API.get_max_cos_id([common.MBA_CAP]):
raise BadRequest("Pool {} does not support MBA".format(pool_id))
if 'mba_bw' in json_data and not caps.mba_bw_enabled():
raise BadRequest("MBA CTRL is not {}!"\
.format("enabled" if caps.mba_bw_supported() else "supported"))
if 'mba' in json_data and caps.mba_bw_enabled():
raise BadRequest("MBA RATE is disabled! Disable MBA CTRL and try again.")