added fortitude launcher script

[mo-lucy-gordon]

PR Summary

Sci/Tech Reviewer: @james-bruten-mo
Code Reviewer: @Pierre-siddall

Adds a script to launch fortitude for the test suite, determines which configuration to use for testing each part of the code, and handles error messages and outputs.

Blocks, Linked: MetOffice/lfric_apps#150

Code Quality Checklist

• I have performed a self-review of my own code
• My code follows the project's style guidelines
• Comments have been included that aid understanding and enhance the readability of the code
• My changes generate no new warnings
• All automated checks in the CI pipeline have completed successfully

Testing

• This change has been tested appropriately (please describe)

Tested with flake 8

Security Considerations

• I have reviewed my changes for potential security issues
• Sensitive data is properly handled (if applicable)
• Authentication and authorisation are properly implemented (if applicable)

AI Assistance and Attribution

• Some of the content of this change has been produced with the assistance of Generative AI tool name (e.g., Met Office Github Copilot Enterprise, Github Copilot Personal, ChatGPT GPT-4, etc) and I have followed the Simulation Systems AI policy (including attribution labels)

Sci/Tech Review

• I understand this area of code and the changes being added
• The proposed changes correspond to the pull request description
• Documentation is sufficient (do documentation papers need updating)
• Sufficient testing has been completed

(Please alert the code reviewer via a tag when you have approved the SR)

Code Review

• All dependencies have been resolved
• Related Issues have been properly linked and addressed
• Code quality standards have been met
• Tests are adequate and have passed
• Security considerations have been addressed
• Performance impact is acceptable

[james-bruten-mo]

I think you need to set the file as executable given how it's being called from LFRic
Run chmod +x fortitude_launcher.py and then commit and push the changes

[mo-lucy-gordon]

I think you need to set the file as executable given how it's being called from LFRic Run chmod +x fortitude_launcher.py and then commit and push the changes

Yes sorry I forgot to do this again after my final edit, but it should work now.

[james-bruten-mo]

Perfect, cheers

[Pierre-siddall]

Thanks Lucy, really good and well thought out script with clear attention to where text is output and error handling.