chassisd: Fix crash on exit on linecard #347
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wenyiz2021
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Mar 16, 2023
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@patrickmacarthur thanks for the fix, can you please add a UT to cover this? PR is blocked by coverage check
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@gechiang for viz. |
abdosi
previously approved these changes
Mar 17, 2023
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@patrickmacarthur can you also include a test to cover the one line change you fixed? This is required before the change can be merged. |
We try to access config_manager, even if it wasn't set. Unconditionally set it to resolve the issue.
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/azpw run Azure.sonic-platform-daemons |
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/AzurePipelines run Azure.sonic-platform-daemons |
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Azure Pipelines successfully started running 1 pipeline(s). |
yxieca
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Mar 24, 2023
We try to access config_manager, even if it wasn't set. Unconditionally set it to resolve the issue.
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@patrickmacarthur cherry pick to 202211 with conflict, could you submit PR separately for 202211? |
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Description
Set the
config_managervariable toNoneif we are running on a linecard and thus don't need to set up the config manager.Motivation and Context
During cleanup, the chassid service tries to clean up the
config_manager, but theconfig_managervariable is only ever initialized if we are on the supervisor. Thus, checking if it isNoneis insufficient because this results in anUnboundLocalErrorthat prevents the cleanup from succeeding on a linecard.How Has This Been Tested?
This was tested via the sonic-mgmt
platform_tests/daemon/test_chassisd.pytest. Without this change, thetest_pmon_chassisd_stop_and_start_statustest would fail and a traceback would be present in syslog. The test passes with this patch applied.Additional Information (Optional)