def test_calculate_timers_init_v4(initial_calculate_tee_times,
initial_t1_percent, initial_t2_percent,
initial_valid_lifetime):
# check initial values of different timers in config file
cfg = setup_server_for_config_backend_cmds(
calculate_tee_times=initial_calculate_tee_times,
t1_percent=initial_t1_percent,
t2_percent=initial_t2_percent,
valid_lifetime=initial_valid_lifetime)
# define one, default subnet
cfg.add_subnet()
calculate_tee_times = initial_calculate_tee_times if initial_calculate_tee_times is not None else False
valid_lifetime = initial_valid_lifetime if initial_valid_lifetime is not None else get_cfg_default(
'valid-lifetime')
if calculate_tee_times:
t1_percent = initial_t1_percent if initial_t1_percent is not None else get_cfg_default(
't1-percent')
t2_percent = initial_t2_percent if initial_t2_percent is not None else get_cfg_default(
't2-percent')
renew_timer = int(t1_percent * valid_lifetime)
rebind_timer = int(t2_percent * valid_lifetime)
else:
renew_timer = None
rebind_timer = None
# check getting address from this subnet
get_address(exp_renew_timer=renew_timer,
exp_rebind_timer=rebind_timer,
exp_lease_time=valid_lifetime)
def test_calculate_timers_init_v6(initial_calculate_tee_times,
initial_t1_percent,
initial_t2_percent,
initial_preferred_lifetime,
initial_valid_lifetime):
# check initial values of different timers in config file
cfg = setup_server_for_config_backend_cmds(calculate_tee_times=initial_calculate_tee_times,
t1_percent=initial_t1_percent,
t2_percent=initial_t2_percent,
preferred_lifetime=initial_preferred_lifetime,
valid_lifetime=initial_valid_lifetime)
# define one, default subnet
cfg.add_subnet()
calculate_tee_times = initial_calculate_tee_times if initial_calculate_tee_times is not None else False
if initial_preferred_lifetime is not None:
preferred_lifetime = initial_preferred_lifetime
else:
preferred_lifetime = get_cfg_default('preferred-lifetime')
valid_lifetime = initial_valid_lifetime if initial_valid_lifetime is not None else get_cfg_default('valid-lifetime')
if calculate_tee_times:
t1_percent = initial_t1_percent if initial_t1_percent is not None else get_cfg_default('t1-percent')
t2_percent = initial_t2_percent if initial_t2_percent is not None else get_cfg_default('t2-percent')
renew_timer = int(t1_percent * preferred_lifetime)
rebind_timer = int(t2_percent * preferred_lifetime)
else:
renew_timer = None
rebind_timer = None
# check getting address from this subnet
get_address(exp_renew_timer=renew_timer, exp_rebind_timer=rebind_timer,
exp_ia_na_iaaddr_preflft=preferred_lifetime, exp_lease_time=valid_lifetime)
def test_subnet_and_calculate_timers(dhcp_version):
# change renew timer on different levels (global and subnet)
# and check if these changes are properly reflected in received ACKs
cfg = setup_server_for_config_backend_cmds()
# define one, default subnet
cfg.add_subnet()
if dhcp_version == 'v4':
base_lifetime = get_cfg_default('valid-lifetime')
else:
base_lifetime = get_cfg_default('preferred-lifetime')
# change global renew_timer to 1sec and now check
# if received lease has renew_timer accordingly set
cfg.set_global_parameter(calculate_tee_times=True)
t1_percent = get_cfg_default('t1-percent')
t2_percent = get_cfg_default('t2-percent')
get_address(exp_renew_timer=int(t1_percent * base_lifetime),
exp_rebind_timer=int(t2_percent * base_lifetime))
# change t1 and t2 and check new renew/rebind-timers
t1_percent = 0.1
t2_percent = 0.9
cfg.set_global_parameter(t1_percent=t1_percent, t2_percent=t2_percent)
get_address(exp_renew_timer=int(t1_percent * base_lifetime),
exp_rebind_timer=int(t2_percent * base_lifetime))
# change again but only t1 and check new renew/rebind-timers
t1_percent = 0.3
cfg.set_global_parameter(t1_percent=t1_percent)
get_address(exp_renew_timer=int(t1_percent * base_lifetime),
exp_rebind_timer=int(t2_percent * base_lifetime))
# switch off calculate_tee_times and check if renew/rebind-timers
# are not present in responses anymore
cfg.set_global_parameter(calculate_tee_times=False)
get_address(exp_renew_timer=None, exp_rebind_timer=None)
def test_subnet_and_calculate_timers(dhcp_version):
# change renew timer on different levels (global and subnet)
# and check if these changes are properly reflected in received ACKs
cfg = setup_server_for_config_backend_cmds()
# define one, default subnet
cfg.add_subnet()
if dhcp_version == 'v4':
base_lifetime = get_cfg_default('valid-lifetime')
else:
base_lifetime = get_cfg_default('preferred-lifetime')
# change global renew_timer to 1sec and now check
# if received lease has renew_timer accordingly set
cfg.set_global_parameter(calculate_tee_times=True)
t1_percent = get_cfg_default('t1-percent')
t2_percent = get_cfg_default('t2-percent')
get_address(exp_renew_timer=int(t1_percent * base_lifetime),
exp_rebind_timer=int(t2_percent * base_lifetime))
# change t1 and t2 and check new renew/rebind-timers
t1_percent = 0.1
t2_percent = 0.9
cfg.set_global_parameter(t1_percent=t1_percent, t2_percent=t2_percent)
get_address(exp_renew_timer=int(t1_percent * base_lifetime),
exp_rebind_timer=int(t2_percent * base_lifetime))
# change again but only t1 and check new renew/rebind-timers
t1_percent = 0.3
cfg.set_global_parameter(t1_percent=t1_percent)
get_address(exp_renew_timer=int(t1_percent * base_lifetime),
exp_rebind_timer=int(t2_percent * base_lifetime))
# switch off calculate_tee_times and check if renew/rebind-timers
# are not present in responses anymore
cfg.set_global_parameter(calculate_tee_times=False)
get_address(exp_renew_timer=None, exp_rebind_timer=None)