Azure DevOps predefined variables

Question

I need to use a predefined Azure DevOps variable in a release pipeline. I'm working with several artifacts, and I need to get project name from each.

So, in an Inline PowerShell step, I try to use

RELEASE_ARTIFACTS_{ARTEFACTNAME}_PROJECTNAME

But the interpolation doesn't work as wanted .. I tried following without success:

$ProjectName = $("RELEASE.ARTIFACTS.$($var.name).PROJECTNAME")

Unfortunately, the result is always

"RELEASE.ARTIFACTS.varname.PROJECTNAME" and not the ADO project name

IIRC, those variables are referenced $(var.name). It's not a subexpr. — Maximilian Burszley
– Maximilian Burszley, Commented Apr 7, 2020 at 13:57
Let me detail a bit more: $($var.name) = "REPOS1" $(RELEASE.ARTIFACTS.REPOS1.PROJECTNAME) = PROJECT1 But, when I tried to get the value "PROJECT1" from my script by executing $("RELEASE.ARTIFACTS.$($var.name).PROJECTNAME"), I get result equals to "RELEASE.ARTIFACTS.varname.PROJECTNAME" instead of "PROJECT1" — gerem
– gerem, Commented Apr 7, 2020 at 14:49

Levi Lu-MSFT · Accepted Answer · 2020-04-08 06:45:08Z

1

You may have to hard code the artifacts alias name in the expression.

#REPOS1 is the artifacts alias defined in release pipeline Artifacts-->Source alias

$ProjectName = $(Release.Artifacts.REPOS1.ProjectName)

You cannot wrap another $() inside $() like this $(a.$(b).c) in azure pipelines. Azure pipeline cannot resolve this kind expression $($()).

Below expressions will not work:

$alias = "Artifacts1"
$ProjectName = $(Release.Artifacts.$($alias).ProjectName)

$ProjectName = $(Release.Artifacts.$(arifactName).ProjectName)

answered Apr 8, 2020 at 6:45

Levi Lu-MSFT

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4 Comments

gerem Over a year ago

My problem is that I have several artifacts, that's why I have to build it in PowerShell.

Levi Lu-MSFT Over a year ago

how were the artifacts added to your release pipeline. Are them added separately or in one artifacts. When you add a artifacts, you can define its alias name in the Source alias field, which you can use to identify them. Could share a screenshot?

Levi Lu-MSFT Over a year ago

Is it the case that you have to decide the alias name by some kind of condition in the powershell task?

Krzysztof Madej Over a year ago

@gerem even if you have multiple artifacts if you do not add them dynamically you have fixed number of them. I know that this is not the best approach, but from what we see here it is the best approach we can have. I also tried to find better approach, but it must be like Levi Ls-MSFT says.

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