Fixing Azure Container App template

[twerthi]

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Background

Microsoft changed the behavior of the Get-AzContainerApp cmdlet, it used to return null when searching for a specific Container App and it didn't exist. It now throws an error causing the template to fail.

Results

Template will now perform a search of all container apps within the specified Resource Group. If the results are null, the $containerApp variable is assigned $null. If something is returned, it does a Where-Object operation and will either return the desired Container App or return null if it doesn't exist within the collection.

Before

The step template would fail when the Container App didn't exist.

After

The template no longer errors and will function as desired.

Pre-requisites

• Id should be a GUID that is not 00000000-0000-0000-0000-000000000000
  • NOTE If you are modifying an existing step template, please make sure that you do not modify the Id property (updating the Id will break the Library sync functionality in Octopus).
• Version should be incremented, otherwise the integration with Octopus won't update the step template correctly
• Parameter names should not start with $
• Step template parameter names (the ones declared in the JSON, not the script body) should be prefixed with a namespace so that they are less likely to clash with other user-defined variables in Octopus (see this issue). For example, use an abbreviated name of the step template or the category of the step template).
• LastModifiedBy field must be present, and (optionally) updated with the correct author
• The best practices documented here have been applied
• If a new Category has been created:
  • An image with the name {categoryname}.png must be present under the step-templates/logos folder
  • The switch in the humanize function in gulpfile.babel.js must have a case statement corresponding to it

Fixes # . If there is an open issue that this PR fixes add it here, otherwise just remove this line

[github-actions]

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Review in Hyponome

[benPearce1]

LGTM