def reload_dut_config(request, duthost, define_sub_ports_configuration):
"""
DUT's configuration reload on teardown
Args:
request: pytest request object
duthost: DUT host object
define_sub_ports_configuration: Dictonary of parameters for configuration DUT
"""
yield
sub_ports = define_sub_ports_configuration['sub_ports']
dut_ports = define_sub_ports_configuration['dut_ports']
cfg_facts = duthost.config_facts(host=duthost.hostname,
source="running")['ansible_facts']
existing_sub_ports = cfg_facts.get("VLAN_SUB_INTERFACE", {})
for sub_port in sub_ports:
if sub_port in existing_sub_ports:
remove_sub_port(duthost, sub_port, sub_ports[sub_port]['ip'])
py_assert(check_sub_port(duthost, sub_ports.keys(), True),
"Some sub-port were not deleted")
if 'port_in_lag' in request.node.name:
for lag_port in dut_ports.values():
remove_lag_port(duthost, cfg_facts, lag_port)
duthost.shell('sudo config load -y /etc/sonic/config_db.json')
def apply_config_on_the_dut(define_sub_ports_configuration, duthost, reload_dut_config):
"""
Apply Sub-ports configuration on the DUT and remove after tests
Args:
define_sub_ports_configuration: Dictonary of parameters for configuration DUT
duthost: DUT host object
reload_dut_config: fixture for teardown of DUT
Yields:
Dictonary of parameters for configuration DUT and PTF host
"""
sub_ports_vars = {
'sub_ports': define_sub_ports_configuration['sub_ports']
}
parent_port_list = [sub_port.split('.')[0] for sub_port in define_sub_ports_configuration['sub_ports'].keys()]
for port in set(parent_port_list):
remove_member_from_vlan(duthost, '1000', port)
sub_ports_config_path = os.path.join(DUT_TMP_DIR, SUB_PORTS_TEMPLATE)
config_template = jinja2.Template(open(os.path.join(TEMPLATE_DIR, SUB_PORTS_TEMPLATE)).read())
duthost.command("mkdir -p {}".format(DUT_TMP_DIR))
duthost.copy(content=config_template.render(sub_ports_vars), dest=sub_ports_config_path)
duthost.command('sonic-cfggen -j {} --write-to-db'.format(sub_ports_config_path))
py_assert(wait_until(3, 1, 0, check_sub_port, duthost, sub_ports_vars['sub_ports'].keys()),
"Some sub-ports were not created")
yield sub_ports_vars
def verify_crm_nexthop_counter_not_increased(lower_tor_host):
"""
A function level fixture to verify crm nexthop counter not increased
"""
original_counter = get_crm_nexthop_counter(lower_tor_host)
yield
diff = get_crm_nexthop_counter(lower_tor_host) - original_counter
py_assert(diff == 0,
"crm nexthop counter is increased by {}.".format(diff))
def verify_crm_nexthop_counter_not_increased(rand_selected_dut,
set_crm_polling_interval):
"""
A function level fixture to verify crm nexthop counter not increased
"""
original_counter = get_crm_nexthop_counter(rand_selected_dut)
logging.info(
"Before test: crm nexthop counter = {}".format(original_counter))
yield
time.sleep(CRM_POLL_INTERVAL)
diff = get_crm_nexthop_counter(rand_selected_dut) - original_counter
logging.info(
"Before test: crm nexthop counter = {}".format(original_counter +
diff))
py_assert(diff <= 0,
"crm nexthop counter is increased by {}.".format(diff))
