Bugfix - Skip Dracut Module and Mariner.cfg Update with no Verity Cfg.

[liulanze]

Bugfix - Skip Dracut Module and Mariner.cfg Update with no Verity Cfg.

Merge Checklist

All boxes should be checked before merging the PR (just tick any boxes which don't apply to this PR)

• The toolchain has been rebuilt successfully (or no changes were made to it)
• The toolchain/worker package manifests are up-to-date
• Any updated packages successfully build (or no packages were changed)
• Packages depending on static components modified in this PR (Golang, *-static subpackages, etc.) have had their Release tag incremented.
• Package tests (%check section) have been verified with RUN_CHECK=y for existing SPEC files, or added to new SPEC files
• All package sources are available
• cgmanifest files are up-to-date and sorted (./cgmanifest.json, ./toolkit/scripts/toolchain/cgmanifest.json, .github/workflows/cgmanifest.json)
• LICENSE-MAP files are up-to-date (./SPECS/LICENSES-AND-NOTICES/data/licenses.json, ./SPECS/LICENSES-AND-NOTICES/LICENSES-MAP.md, ./SPECS/LICENSES-AND-NOTICES/LICENSE-EXCEPTIONS.PHOTON)
• All source files have up-to-date hashes in the *.signatures.json files
• sudo make go-tidy-all and sudo make go-test-coverage pass
• Documentation has been updated to match any changes to the build system
• Ready to merge

---

Summary

What does the PR accomplish, why was it needed?
Title says, skip Dracut module re-building and Mariner.cfg updating when users do NOT customize Verity related configs.

Change Log

• Add an additional if statement checking for Verity field exists or not.

Does this affect the toolchain?

NO

Associated issues

• #xxxx

Links to CVEs

• https://nvd.nist.gov/vuln/detail/CVE-YYYY-XXXX

Test Methodology

• Local

Internal Bug Ticket Number: 6515

[amritakohli]

Can you please update / clean up the PR description?

[mfrw]

+1 on doing the check before the function call to avoid adding an argument.

[ausgaonkar]

Thanks for this change. LGTM! Once the merge happens, please also update the corresponding artifact.

[anphel31]

Please fill out the PR description, and in particular ensure the "sudo make go-tidy-all and sudo make go-test-coverage" tests pass