def configure(self):
"""
Configure Pool, based on config content.
"""
config = common.CONFIG_STORE
cores = config.get_pool_attr('cores', self.pool)
self.cores_set(cores)
if caps.cat_supported():
cbm = config.get_pool_attr('cbm', self.pool)
self.cbm_set(cbm)
if caps.mba_supported():
mba = config.get_pool_attr('mba', self.pool)
self.mba_set(mba)
apps = config.get_pool_attr('apps', self.pool)
if apps is not None:
pids = []
for app in apps:
app_pids = config.get_app_attr('pids', app)
if app_pids:
pids.extend(app_pids)
self.pids_set(pids)
return Pool.apply(self.pool)
def add_default_pool(data):
"""
Update config with "Default" pool
"""
# no Default pool configured
default_pool = {}
default_pool['id'] = 0
if caps.mba_supported():
if caps.mba_bw_enabled():
default_pool['mba_bw'] = 2**32 - 1
else:
default_pool['mba'] = 100
if caps.cat_supported():
default_pool['cbm'] = common.PQOS_API.get_max_l3_cat_cbm()
default_pool['name'] = "Default"
# Use all unallocated cores
default_pool['cores'] = list(range(common.PQOS_API.get_num_cores()))
for pool in data['pools']:
default_pool['cores'] = \
[core for core in default_pool['cores'] if core not in pool['cores']]
data['pools'].append(default_pool)
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 _validate_pools(data):
"""
Validate Pools configuration
Parameters
data: configuration (dict)
"""
if not 'pools' in data:
return
# verify pools
cores = set()
pool_ids = []
for pool in data['pools']:
# id
if pool['id'] in pool_ids:
raise ValueError(
"Pool {}, multiple pools with same id.".format(pool['id']))
pool_ids.append(pool['id'])
# pool cores
for core in pool['cores']:
if not common.PQOS_API.check_core(core):
raise ValueError("Pool {}, Invalid core {}.".format(
pool['id'], core))
if cores.intersection(pool['cores']):
raise ValueError("Pool {}, Cores {} already assigned to another pool."\
.format(pool['id'], cores.intersection(pool['cores'])))
cores |= set(pool['cores'])
# check app reference
if 'apps' in pool:
for app_id in pool['apps']:
ConfigStore.get_app(data, app_id)
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:
if pool['mba'] > 100 or pool['mba'] <= 0:
raise ValueError("Pool {}, MBA rate {} out of range! (1-100)."\
.format(pool['id'], pool['mba']))
if not caps.mba_supported():
raise ValueError("Pool {}, MBA rate {}, MBA is not supported."\
.format(pool['id'], pool['mba']))
# check power profile reference
if 'power_profile' in pool:
ConfigStore.get_power(data, pool['power_profile'])
def check_alloc_tech(pool_id, json_data):
if 'cbm' in json_data:
if not caps.cat_supported():
raise BadRequest("System does not support CAT!")
if pool_id > common.PQOS_API.get_max_cos_id([common.CAT_CAP]):
raise BadRequest("Pool {} does not support CAT".format(pool_id))
if 'mba' 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))
def _validate_rdt(data):
"""
Validate RDT configuration (including MBA CTRL) configuration
Parameters
data: configuration (dict)
"""
if 'mba_ctrl' in data and data['mba_ctrl']['enabled']\
and (not 'rdt_iface' in data or data['rdt_iface']['interface'] != "os"):
raise ValueError(
"RDT Configuration. MBA CTRL requires RDT OS interface!")
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_bw_pool_ids and mba_pool_ids:
raise ValueError("It is not allowed to mix MBA (Pools: {}) "\
"and MBA BW (Pools {}), configurations."\
.format(mba_pool_ids, mba_bw_pool_ids))
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 caps.mba_bw_enabled():
raise ValueError("Pools {}, MBA BW is not enabled/supported."\
.format(mba_bw_pool_ids))
return
def check_alloc_tech(pool_id, json_data):
if 'cbm' in json_data:
if not caps.cat_supported():
raise BadRequest("System does not support CAT!")
if pool_id > common.PQOS_API.get_max_cos_id([common.CAT_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.")
def add_default_pool(data):
"""
Update config with "Default" pool
"""
# no Default pool configured
default_pool = {}
default_pool['id'] = 0
if caps.mba_supported():
default_pool['mba'] = 100
if caps.cat_supported():
default_pool['cbm'] = common.PQOS_API.get_max_l3_cat_cbm()
default_pool['name'] = "Default"
default_pool['cores'] = list(range(common.PQOS_API.get_num_cores()))
for pool in data['pools']:
default_pool['cores'] = \
[core for core in default_pool['cores'] if core not in pool['cores']]
data['pools'].append(default_pool)
