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[action] [PR:14343] Enhance test_ro_disk to ensure device finally be recovered by PDU reboot#14351

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mssonicbld merged 1 commit intosonic-net:202405from
mssonicbld:cherry/202405/14343
Sep 2, 2024
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[action] [PR:14343] Enhance test_ro_disk to ensure device finally be recovered by PDU reboot#14351
mssonicbld merged 1 commit intosonic-net:202405from
mssonicbld:cherry/202405/14343

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Description of PR

Summary:
In PR #13974, I introduced PDU reboot to recover the DUT from RO-Disk state when regular sudo reboot fail to do that. However, the do_reboot function may raise pytest_ansible.errors.AnsibleConnectionFailure which is not be handled. In this case, the PDU reboot part cannot be executed and DUT cannot be recovered.

In this PR, I enhance the code from below perspectives:

  1. Handle pytest_ansible.errors.AnsibleConnectionFailure in do_reboot function.
  2. Add try-except block for do_reboot to ensure no matter what Exception is raised, PDU reboot can always be executed to recover the DUT.

Type of change

  • Bug fix
  • Testbed and Framework(new/improvement)
  • Test case(new/improvement)

Back port request

  • 202012
  • 202205
  • 202305
  • 202311
  • 202405

Approach

What is the motivation for this PR?

In PR #13974, I introduced PDU reboot to recover the DUT from RO-Disk state when regular sudo reboot fail to do that. However, the do_reboot function may raise pytest_ansible.errors.AnsibleConnectionFailure which is not be handled. In this case, the PDU reboot part cannot be executed and DUT cannot be recovered.
In this PR, I enhance the testcase to ensure PDU reboot is always executed when regular reboot fail.

How did you do it?

  1. Handle pytest_ansible.errors.AnsibleConnectionFailure in do_reboot function.
  2. Add try-except block for do_reboot to ensure no matter what Exception is raised, PDU reboot can always be executed to recover the DUT.

How did you verify/test it?

Verified by run test_ro_disk on Nokia-7215 testbeds.

Any platform specific information?

Supported testbed topology if it's a new test case?

Documentation

…oot (sonic-net#14343)

What is the motivation for this PR?
In PR sonic-net#13974, I introduced PDU reboot to recover the DUT from RO-Disk state when regular sudo reboot fail to do that. However, the do_reboot function may raise pytest_ansible.errors.AnsibleConnectionFailure which is not be handled. In this case, the PDU reboot part cannot be executed and DUT cannot be recovered.
In this PR, I enhance the testcase to ensure PDU reboot is always executed when regular reboot fail.

How did you do it?
Handle pytest_ansible.errors.AnsibleConnectionFailure in do_reboot function.
Add try-except block for do_reboot to ensure no matter what Exception is raised, PDU reboot can always be executed to recover the DUT.
How did you verify/test it?
Verified by run test_ro_disk on Nokia-7215 testbeds.
@mssonicbld
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Original PR: #14343

@mssonicbld
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/azp run Azure.sonic-mgmt

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Azure Pipelines successfully started running 1 pipeline(s).

@mssonicbld mssonicbld merged commit 08fcbfb into sonic-net:202405 Sep 2, 2024
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2 participants