def test_standby_tor_kill_bgpd_upstream(
upper_tor_host, lower_tor_host, send_server_to_t1_with_action,
toggle_all_simulator_ports_to_upper_tor, kill_bgpd):
'''
Case: Server -> ToR -> T1 (Standby ToR BGP Down)
Action: Shutdown all BGP sessions on the standby ToR
Expectation:
Verify packet flow after the standby ToR (B) loses BGP sessions
ToR A DBs indicate active, ToR B DBs indicate standby
T1 switch receives packet from the active ToR (A), and not the standby ToR (B)
'''
send_server_to_t1_with_action(upper_tor_host,
verify=True,
action=lambda: kill_bgpd(lower_tor_host))
verify_tor_states(expected_active_host=upper_tor_host,
expected_standby_host=lower_tor_host)
def test_standby_tor_kill_bgpd_downstream_active(
upper_tor_host, lower_tor_host, send_t1_to_server_with_action,
toggle_all_simulator_ports_to_upper_tor, kill_bgpd,
tunnel_traffic_monitor):
'''
Case: T1 -> Active ToR -> Server (Standby ToR BGP Down)
Action: Shutdown all BGP sessions on the standby ToR
Expectation:
Verify packet flow after the standby ToR (B) loses BGP sessions
T1 switch receives no IP-in-IP packet; server receives packet
'''
with tunnel_traffic_monitor(lower_tor_host, existing=False):
send_t1_to_server_with_action(upper_tor_host,
verify=True,
action=lambda: kill_bgpd(lower_tor_host))
verify_tor_states(expected_active_host=upper_tor_host,
expected_standby_host=lower_tor_host)
def test_active_tor_kill_bgpd_downstream_standby(
upper_tor_host, lower_tor_host, send_t1_to_server_with_action,
toggle_all_simulator_ports_to_upper_tor, kill_bgpd,
tunnel_traffic_monitor):
'''
Case: T1 -> Standby ToR -> Server (Active ToR BGP Down)
Action: Shutdown all BGP sessions on the active ToR
Expectation:
Verify packet flow after the active ToR (A) loses BGP sessions
Verify ToR A standby, ToR B active
Verify traffic interruption is < 1 second
'''
send_t1_to_server_with_action(lower_tor_host,
verify=True,
delay=MUX_SIM_ALLOWED_DISRUPTION_SEC,
action=lambda: kill_bgpd(upper_tor_host))
verify_tor_states(expected_active_host=lower_tor_host,
expected_standby_host=upper_tor_host)
def test_active_tor_kill_bgpd_upstream(upper_tor_host, lower_tor_host,
send_server_to_t1_with_action,
toggle_all_simulator_ports_to_upper_tor,
kill_bgpd):
'''
Case: Server -> ToR -> T1 (Active ToR BGP Down)
Action: Shutdown all BGP sessions on the active ToR
Expectation:
Verify packet flow after the active ToR (A) loses BGP sessions
ToR A DBs indicate standby, ToR B DBs indicate active
T1 switch receives packet from the initial standby ToR (B) and not the active ToR (A)
Verify traffic interruption < threshold
'''
send_server_to_t1_with_action(upper_tor_host,
verify=True,
delay=MUX_SIM_ALLOWED_DISRUPTION_SEC,
action=lambda: kill_bgpd(upper_tor_host))
verify_tor_states(expected_active_host=lower_tor_host,
expected_standby_host=upper_tor_host)
def test_active_tor_kill_bgpd_downstream_standby(
upper_tor_host, lower_tor_host, send_t1_to_server_with_action,
toggle_all_simulator_ports_to_upper_tor, kill_bgpd,
tunnel_traffic_monitor):
'''
Case: T1 -> Standby ToR -> Server (Active ToR BGP Down)
Action: Shutdown all BGP sessions on the active ToR
Expectation:
Verify packet flow after the active ToR (A) loses BGP sessions
T1 switch continues to receive IP-in-IP traffic, from lower to upper ToR
No switchover occurs
verify traffic interruption is < 1 second
'''
with tunnel_traffic_monitor(lower_tor_host, existing=True):
send_t1_to_server_with_action(lower_tor_host,
verify=True,
delay=1,
action=lambda: kill_bgpd(upper_tor_host))
verify_tor_states(expected_active_host=upper_tor_host,
expected_standby_host=lower_tor_host)