Add mgmt servers module

[stalabi1]

SUMMARY

I added the mgmt servers module.

Please see model PR.

ISSUE TYPE

• Feature Pull Request

COMPONENT NAME

sonic_mgmt_servers

OUTPUT

regression-2024-07-22-09-57-29.html.pdf
diff_output.log
facts_gathering.log
check_merge.log
check_delete.log

Checklist:

• I have performed a self-review of my own code to ensure there are no formatting, linting, or security issues
• I have verified that new and existing unit tests pass locally with my changes
• I have not allowed coverage numbers to degenerate
• [] I have maintained at least 90% code coverage
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I have maintained backward compatibility or have provided any relevant "breaking_changes" descriptions in a "fragment" file in the "changelogs/fragments" directory of this repository.

[kerry-meyer]

Note: A Unit Test code coverage proportion of 78% is being allowed for the 'config' file in this change set for the following reason:

~20% of the code lines in the 'config' file are provided for implementation of 'check' mode functionality. Because this does not generate requests to the device, our current UT framework can not be used for validation of this code. All of the other added code is well covered by the added UT test cases, so the current UT coverage level for this resource module is sufficient.

[kerry-meyer]

The code logic, the corresponding test cases, and test results all look good.

I am posting only a few very minor requests for changes.

[kerry-meyer]

All of the current code submitted for this PR and the corresponding test results look good.

Thank you for implementing the management servers resource module.

Approved.