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Azure Pipelines - Generate your software bill of materials (SBOM) **Updated**

A few months ago, I introduced the concept of an SBOM(Software Bill of Materials) and how you could integrate this in your Azure DevOps Pipelines.

A quick fix

Last week I noticed that the builds where I was using this approach started to fail. Here is the error I got:

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoLogo -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -Command ". 'D:\b\2\_work\_temp\f7a4bfef-55b7-46ca-bc35-5fa4674dc781.ps1'"

Encountered error while running ManifestTool generation workflow. Error: The value of PackageSupplier can't be null or empty.

##[error]PowerShell exited with code '1'.

Finishing: Generate sbom

Turns out that an updated version of the Microsoft sbom-tool was released. In this version a new required parameter was introduced; 

-ps <package supplier>

So I opened the failing pipelines and added this extra argument:

# Write your PowerShell commands here.
Invoke-WebRequest -Uri "https://github.com/microsoft/sbom-tool/releases/latest/download/sbom-tool-win-x64.exe" -OutFile "$(Agent.TempDirectory)/sbom-tool.exe"
$(Agent.TempDirectory)/sbom-tool generate -b $(Build.ArtifactStagingDirectory) -bc $(Build.SourcesDirectory) -pn Example -pv 1.0.0 -nsb https://sbom.mycompany.com –ps PackageSupplierName -V Verbose

The SBOM .NET Tool

This would have been a really short post if this was the only thing I wanted to talk about.  While investigating the issue above I noticed the following in the documentation:

There is now a dotnet global tool for generating the SBOM.

Time to throw out the exe and use the SBOM .NET tool instead!

I removed the original Powershell task and introduced 2 new tasks:

The first task will download and install the SBOM global tool:

The second task will invoke the installed SBOM tool:

This will produce exactly the same results as the original Powershell task:

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