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test_chassis_reboot.py apply threaded reboot to avoid ansible command timeout #15422

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Merged
yejianquan merged 1 commit into from
Nov 7, 2024
Merged

test_chassis_reboot.py apply threaded reboot to avoid ansible command timeout #15422

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14 changes: 7 additions & 7 deletions tests/platform_tests/test_chassis_reboot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
import random
import logging
import time
import concurrent.futures
from tests.common.helpers.assertions import pytest_assert
from tests.common.utilities import wait_until
from tests.common.reboot import wait_for_startup,\
Expand Down Expand Up @@ -59,15 +60,16 @@ def test_parallel_reboot(duthosts, localhost, conn_graph_facts, xcvr_skip_list):

core_dumps = {}
# Perform reboot on multiple LCs within 30sec
for dut in duthosts:
if dut.is_supervisor_node():
continue
executor = concurrent.futures.ThreadPoolExecutor(max_workers=8)
for dut in duthosts.frontend_nodes:

# collect core dump before reboot
core_dumps[dut.hostname] = get_core_dump(dut)

# Perform cold reboot on all linecards, with an internal within 30sec to mimic a parallel reboot scenario
chassis_cold_reboot(dut, localhost)
# Change this to threaded reboot, to avoid ansible command timeout in 60sec, we have seen some T2 platform
# reboot exceed 60 sec, and causes test to error out
executor.submit(chassis_cold_reboot, dut, localhost)

# Wait for 0 ~ 30sec
rand_interval = random.randint(0, 30)
Expand All @@ -88,9 +90,7 @@ def test_parallel_reboot(duthosts, localhost, conn_graph_facts, xcvr_skip_list):
"Not all BGP sessions are established on DUT")

# Check if new core dumps are generated
for dut in duthosts:
if dut.is_supervisor_node():
continue
for dut in duthosts.frontend_nodes:
post_core_dump = get_core_dump(dut)
new_core_dumps = (set(post_core_dump) - set(core_dumps[dut.hostname]))

Expand Down