def event_handler(self):
"""
Handles config_changed event
"""
# rate limiting
last_cfg_change_ts = 0
min_time_diff = 1 / common.RATE_LIMIT
while not self.stop_event.is_set():
if common.CONFIG_STORE.is_config_changed():
time_diff = time.time() - last_cfg_change_ts
if time_diff < min_time_diff:
log.info("Rate Limiter, sleeping " \
+ str(round((min_time_diff - time_diff) * 1000)) + "ms...")
time.sleep(min_time_diff - time_diff)
log.info("Configuration changed, processing new config...")
result = cache_ops.configure_rdt()
if result != 0:
log.error("Failed to apply RDT configuration!")
break
if caps.sstcp_enabled() and not sstbf.is_sstbf_configured():
result = power.configure_power()
if result != 0:
log.error(
"Failed to apply Power Profiles configuration!")
break
last_cfg_change_ts = time.time()
log.info("New configuration processed")
def __init__(self):
self.process = None
self.app = Flask(__name__)
self.app.config['MAX_CONTENT_LENGTH'] = 2 * 1024
self.api = Api(self.app)
# initialize SSL context
self.context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
self.context.verify_mode = ssl.CERT_REQUIRED
self.context.set_ciphers(':'.join(TLS_CIPHERS))
# allow TLS 1.2 and later
self.context.options |= ssl.OP_NO_SSLv2
self.context.options |= ssl.OP_NO_SSLv3
self.context.options |= ssl.OP_NO_TLSv1
self.context.options |= ssl.OP_NO_TLSv1_1
self.api.add_resource(Apps, '/apps')
self.api.add_resource(App, '/apps/<int:app_id>')
self.api.add_resource(Pools, '/pools')
self.api.add_resource(Pool, '/pools/<int:pool_id>')
if caps.sstcp_enabled():
self.api.add_resource(Powers, '/power_profiles')
self.api.add_resource(Power, '/power_profiles/<int:profile_id>')
self.api.add_resource(Stats, '/stats')
self.api.add_resource(Caps, '/caps')
if caps.sstbf_enabled():
self.api.add_resource(Sstbf, '/caps/sstbf')
self.api.add_resource(CapsRdtIface, '/caps/rdt_iface')
if caps.mba_supported():
self.api.add_resource(CapsMba, '/caps/mba')
self.api.add_resource(CapsMbaCtrl, '/caps/mba_ctrl')
self.api.add_resource(Reset, '/reset')
self.app.register_error_handler(HTTPException, Server.error_handler)
def __init__(self):
self.process = None
self.app = Flask(__name__)
self.app.config['MAX_CONTENT_LENGTH'] = 2 * 1024
self.api = Api(self.app)
# initialize SSL context
self.context = ssl.SSLContext(ssl.PROTOCOL_TLS)
# allow TLS 1.2 and later
self.context.options |= ssl.OP_NO_SSLv2
self.context.options |= ssl.OP_NO_SSLv3
self.context.options |= ssl.OP_NO_TLSv1
self.context.options |= ssl.OP_NO_TLSv1_1
self.api.add_resource(Apps, '/apps')
self.api.add_resource(App, '/apps/<int:app_id>')
self.api.add_resource(Pools, '/pools')
self.api.add_resource(Pool, '/pools/<int:pool_id>')
if caps.sstcp_enabled():
self.api.add_resource(Powers, '/power_profiles')
self.api.add_resource(Power, '/power_profiles/<int:profile_id>')
self.api.add_resource(Stats, '/stats')
self.api.add_resource(Caps, '/caps')
if caps.sstbf_enabled():
self.api.add_resource(Sstbf, '/caps/sstbf')
self.api.add_resource(Reset, '/reset')
self.app.register_error_handler(HTTPException, Server.error_handler)
def __init__(self):
self.process = None
self.app = Flask(__name__)
self.app.config['MAX_CONTENT_LENGTH'] = 2 * 1024
self.app.url_map.strict_slashes = False
self.api = Api(self.app)
# initialize SSL context
self.context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
self.context.verify_mode = ssl.CERT_REQUIRED
self.context.set_ciphers(':'.join(TLS_CIPHERS))
# allow TLS 1.2 and later
self.context.options |= ssl.OP_NO_SSLv2
self.context.options |= ssl.OP_NO_SSLv3
self.context.options |= ssl.OP_NO_TLSv1
self.context.options |= ssl.OP_NO_TLSv1_1
# Apps and Pools API
self.api.add_resource(Apps, '/apps')
self.api.add_resource(App, '/apps/<int:app_id>')
self.api.add_resource(Pools, '/pools')
self.api.add_resource(Pool, '/pools/<int:pool_id>')
# SST-CP API
if caps.sstcp_enabled():
self.api.add_resource(Powers, '/power_profiles')
self.api.add_resource(Power, '/power_profiles/<int:profile_id>')
# Stats and Capabilities API
self.api.add_resource(Stats, '/stats')
self.api.add_resource(Caps, '/caps')
# SST-BF API
if caps.sstbf_enabled():
self.api.add_resource(Sstbf, '/caps/sstbf')
# RDT interface API
self.api.add_resource(CapsRdtIface, '/caps/rdt_iface')
# MBA API
if caps.mba_supported():
self.api.add_resource(CapsMba, '/caps/mba')
self.api.add_resource(CapsMbaCtrl, '/caps/mba_ctrl')
# L3 CAT API
if caps.cat_l3_supported():
self.api.add_resource(CapsL3ca, '/caps/' + common.CAT_L3_CAP)
# L2 CAT API
if caps.cat_l2_supported():
self.api.add_resource(CapsL2ca, '/caps/' + common.CAT_L2_CAP)
# Reset API
self.api.add_resource(Reset, '/reset')
self.app.register_error_handler(HTTPException, Server.error_handler)
def cores_set(self, cores):
"""
Set Pool's cores
Parameters:
cores: Pool's cores
"""
old_cores = self.cores_get()
# create a diff, create a list of cores that were removed from current pool
removed_cores = [core for core in old_cores if core not in cores]
# update pool with new core list
Pool.pools[self.pool]['cores'] = cores
# updated RDT configuration
common.PQOS_API.alloc_assoc_set(cores, self.pool)
# process list of removed cores
# pylint: disable=consider-using-dict-items
for pool_id in Pool.pools:
if pool_id == self.pool:
continue
# check if cores were assigned to another pool,
# if they were, remove them from that pool
Pool.pools[pool_id]['cores'] = \
[core for core in Pool.pools[pool_id]['cores'] if core not in cores]
# filter out cores assigned to other pools
removed_cores = \
[core for core in removed_cores if core not in Pool.pools[pool_id]['cores']]
# Finally assign removed cores back to COS0/"Default" Pool
if removed_cores:
log.debug(f"Cores assigned to COS#0 {removed_cores}")
common.PQOS_API.release(removed_cores)
# Reset power profile settings
if caps.sstcp_enabled() and removed_cores:
power.reset(removed_cores)
def run(self):
"""
Runs main loop.
"""
# process/validate already loaded config file
try:
common.CONFIG_STORE.process_config()
except Exception as ex:
log.error("Invalid config file... ")
log.error(ex)
return
log.debug("Cores controlled: {}".\
format(common.CONFIG_STORE.get_pool_attr('cores', None)))
data = common.CONFIG_STORE.get_config()
for pool in data['pools']:
log.debug("Pool: {}/{} Cores: {}, Apps: {}".format(pool.get('name'),\
pool.get('id'), pool.get('cores'), pool.get('apps')))
# set initial SST-BF configuration
if caps.sstbf_enabled():
result = sstbf.init_sstbf()
if result != 0:
log.error(
"Failed to apply initial SST-BF configuration, terminating..."
)
return
log.info("SST-BF enabled, {}configured.".\
format("not " if not sstbf.is_sstbf_configured() else ""))
log.info("SST-BF HP cores: {}".format(sstbf.get_hp_cores()))
log.info("SST-BF STD cores: {}".format(sstbf.get_std_cores()))
else:
log.info("SST-BF not enabled")
# set initial SST-CP configuration if SST-BF is not configured
if caps.sstcp_enabled():
if sstbf.is_sstbf_configured():
log.info(
"Power Profiles/SST-CP enabled, not configured, SST-BF is configured"
)
else:
log.info("Power Profiles/SST-CP enabled.")
# set initial POWER configuration
result = power.configure_power()
if result != 0:
log.error("Failed to apply initial Power Profiles configuration,"\
" terminating...")
return
else:
log.info("Power Profiles/EPP not enabled")
# set initial RDT configuration
log.info("Configuring RDT")
# Configure MBA CTRL
if caps.mba_supported():
result = common.PQOS_API.enable_mba_bw(
common.CONFIG_STORE.get_mba_ctrl_enabled())
if result != 0:
log.error(
"libpqos MBA CTRL initialization failed, Terminating...")
return
log.info("RDT MBA CTRL %sabled"\
% ("en" if common.PQOS_API.is_mba_bw_enabled() else "dis"))
result = cache_ops.configure_rdt()
if result != 0:
log.error(
"Failed to apply initial RDT configuration, terminating...")
return
# set CTRL+C sig handler
signal.signal(signal.SIGINT, self.signal_handler)
self.event_handler()
log.info("Terminating...")
def run(self, args):
"""
Runs main loop.
Parameters:
args: command line arguments
"""
# load config file
try:
common.CONFIG_STORE.from_file(args.config)
except IOError as ex:
log.error("Error reading from config file {}... ".format(args.config))
log.error(ex)
return
except Exception as ex:
log.error("Invalid config file {}... ".format(args.config))
log.error(ex)
return
log.debug("Cores controlled: {}".\
format(common.CONFIG_STORE.get_pool_attr('cores', None)))
data = common.CONFIG_STORE.get_config()
for pool in data['pools']:
log.debug("Pool: {}/{} Cores: {}, Apps: {}".format(pool.get('name'),\
pool.get('id'), pool.get('cores'), pool.get('apps')))
# set initial SST-BF configuration
if caps.sstbf_enabled():
result = sstbf.init_sstbf()
if result != 0:
log.error("Failed to apply initial SST-BF configuration, terminating...")
return
log.info("SST-BF enabled, {}configured.".\
format("not " if not sstbf.is_sstbf_configured() else ""))
log.info("SST-BF HP cores: {}".format(sstbf.get_hp_cores()))
log.info("SST-BF STD cores: {}".format(sstbf.get_std_cores()))
else:
log.info("SST-BF not enabled")
# set initial SST-CP configuration if SST-BF is not configured
if caps.sstcp_enabled():
if sstbf.is_sstbf_configured():
log.info("Power Profiles/SST-CP enabled, not configured, SST-BF is configured")
else:
log.info("Power Profiles/SST-CP enabled.")
# set initial POWER configuration
result = power.configure_power()
if result != 0:
log.error("Failed to apply initial Power Profiles configuration,"\
" terminating...")
return
else:
log.info("Power Profiles/EPP not enabled")
# set initial RDT configuration
log.info("Configuring RDT")
result = cache_ops.configure_rdt()
if result != 0:
log.error("Failed to apply initial RDT configuration, terminating...")
return
# set CTRL+C sig handler
signal.signal(signal.SIGINT, self.signal_handler)
self.event_handler()
log.info("Terminating...")
