[action] [PR:17629] Add check for max root dispersion on the PTF's NTP daemon#423
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mssonicbld merged 1 commit intoAzure:202412from Jun 19, 2025
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<!-- Please make sure you've read and understood our contributing guidelines; https://github.com/sonic-net/SONiC/blob/gh-pages/CONTRIBUTING.md Please provide following information to help code review process a bit easier: --> ### Description of PR <!-- - Please include a summary of the change and which issue is fixed. - Please also include relevant motivation and context. Where should reviewer start? background context? - List any dependencies that are required for this change. --> Summary: Fixes # (issue) ### 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 - [ ] Test case improvement ### Back port request - [ ] 202012 - [ ] 202205 - [ ] 202305 - [ ] 202311 - [ ] 202405 - [ ] 202411 ### Approach #### What is the motivation for this PR? When using Chrony as the NTP daemon on the DUT, Chrony will not use NTP sources that have a root dispersion of more than 3 seconds (configurable via /etc/chrony/chrony.conf, but we currently don't touch that setting). #### How did you do it? Block here until the root dispersion is less than 3 seconds so that we don't incorrectly fail the test. #### How did you verify/test it? #### Any platform specific information? #### Supported testbed topology if it's a 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? -->
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Original PR: sonic-net/sonic-mgmt#17629 |
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Description of PR
Summary:
Fixes # (issue)
Type of change
Back port request
Approach
What is the motivation for this PR?
When using Chrony as the NTP daemon on the DUT, Chrony will not use NTP sources that have a root dispersion of more than 3 seconds (configurable via /etc/chrony/chrony.conf, but we currently don't touch that setting).
How did you do it?
Block here until the root dispersion is less than 3 seconds so that we don't incorrectly fail the test.
How did you verify/test it?
Any platform specific information?
Supported testbed topology if it's a new test case?
Documentation