Adding ControllerName struct, and test cases

[Marcus-Hines]

Description

Continuing to enforce Prometheus best practices for metics. Adding a struct that ensures naming conventions are upheld, and uniformity exists between metric naming and logger

Please include a summary of the changes and the related issue. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes # (issue) Feature # (details)

Type of change

Please delete options that are not relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration. Is it a breaking change which will impact consuming tool(s)?

• [ ] Test A
• [ ] Test B

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules

[OliverMKing]

unit tests are failing right now

[coveralls]

Pull Request Test Coverage Report for Build 5956001568

• 21 of 21 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+3.8%) to 89.797%

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Totals
Change from base Build 5929363980:	3.8%
Covered Lines:	1857
Relevant Lines:	2068

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💛 - Coveralls

[OliverMKing]

/ok-to-test sha=83bd476

[OliverMKing]

/ok-to-test sha=0e5659b