What type of PR is this?

• Bug
• Feature
• Documentation
• Test Coverage
• Clean Up
• Others

What this PR does / Why we need it?

This PR applies the changes in #718 and add corresponding unit tests.

From OCP 4.17, the monitoring plugin in console no longer require nginx, instead, we should pass a PORT environment variable for it to listen.

This is to fix the issue in https://issues.redhat.com/browse/SREP-608

Which Jira/Github issue(s) does this PR fix?

https://issues.redhat.com/browse/SREP-993

Special notes for your reviewer

• Tested locally with MacOS/Podman, works for 4.16 and 4.19 clusters.

Unit Test Coverage

Guidelines

• If it's a new sub-command or new function to an existing sub-command, please cover at least 50% of the code
• If it's a bug fix for an existing sub-command, please cover 70% of the code

Test coverage checks

• Added unit tests
• Created jira card to add unit test
• This PR may not need unit tests

Pre-checks (if applicable)

• Ran unit tests locally
• Validated the changes in a cluster
• Included documentation changes with PR