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[action] [PR:18748] Stop/start correct BGP agent for model on cEOSLab peers#383

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mssonicbld merged 1 commit intoAzure:202412from
mssonicbld:cherry/msft-202412/18748
Jun 11, 2025
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[action] [PR:18748] Stop/start correct BGP agent for model on cEOSLab peers#383
mssonicbld merged 1 commit intoAzure:202412from
mssonicbld:cherry/msft-202412/18748

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Description of PR

Summary:
Fixes # (issue)
Depending on the version of cEOSLab being run, the docker peer devices to the SONiC DUT may be running in "multi-agent" mode. This means that the agent referred to as "bgpd" in testing may differ based on the mode. When running in "multi-agent" mode, the "Bgp" agent needs to be stopped, instead of "Rib". The mode is determined based on the output of a CLI show-command run on the cEOSLab docker peer.

Type of change

  • Bug fix
  • Testbed and Framework(new/improvement)
  • New Test case
    • Skipped for non-supported platforms
  • Test case improvement

Back port request

  • 202012
  • 202205
  • 202305
  • 202311
  • 202405
  • 202411

Approach

What is the motivation for this PR?

Addressing this bug means that the test bgp/test_bgp_gr_helper.py will restart the correct "bgpd" agent and pass irrespective of the version of cEOSLab being run on the docker peers.

How did you do it?

The test runs the command "show ip route summary | json" on the cEOSLab peer instance and parses the output to identify whether or not the instance is running in "multi-agent" mode. This information is then used to start/stop either the "Bgp" or "Rib" processes.

How did you verify/test it?

Verified by running the same bgp/test_bgp_gr_helper.py with and without the fix. With the fix the correct "bgpd" agent is restarted by the test.

Any platform specific information?

None.

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

No new test case.

Documentation

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### Description of PR
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- Please include a summary of the change and which issue is fixed.
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Summary:
Fixes # (issue)
Depending on the version of cEOSLab being run, the docker peer devices to the SONiC DUT may be running in "multi-agent" mode.  This means that the agent referred to as "bgpd" in testing may differ based on the mode.  When running in "multi-agent" mode, the "Bgp" agent needs to be stopped, instead of "Rib".    The mode is determined based on the output of a CLI show-command run on the cEOSLab docker peer.

### Type of change

<!--
- Fill x for your type of change.
- e.g.
- [x] Bug fix
-->

- [ ] Bug fix
- [ ] Testbed and Framework(new/improvement)
- [ ] New Test case
    - [ ] Skipped for non-supported platforms
- [x] Test case improvement

### Back port request
- [ ] 202012
- [ ] 202205
- [ ] 202305
- [ ] 202311
- [ ] 202405
- [ ] 202411

### Approach
#### What is the motivation for this PR?
Addressing this bug means that the test bgp/test_bgp_gr_helper.py will restart the correct "bgpd" agent and pass irrespective of the version of cEOSLab being run on the docker peers.

#### How did you do it?
The test runs the command "show ip route summary | json" on the cEOSLab peer instance and parses the output to identify whether or not the instance is running in "multi-agent" mode.  This information is then used to start/stop either the "Bgp" or "Rib" processes.

#### How did you verify/test it?
Verified by running the same bgp/test_bgp_gr_helper.py with and without the fix.  With the fix the correct "bgpd" agent is restarted by the test.

#### Any platform specific information?
None.

#### Supported testbed topology if it's a new test case?
No new test case.

### Documentation
<!--
(If it's a new feature, new test case)
Did you update documentation/Wiki relevant to your implementation?
Link to the wiki page?
-->
@mssonicbld
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Original PR: sonic-net/sonic-mgmt#18748

@mssonicbld
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/azp run

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Azure Pipelines successfully started running 1 pipeline(s).

@mssonicbld mssonicbld merged commit fbb365b into Azure:202412 Jun 11, 2025
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