Sunstone error when custom user input contains $ (dollar sign)

[jimfreeman]

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Description

Sunstone error when custom user input contains $ (dollar sign)

To Reproduce

• Create a VM template
• Add a custom user input to the context section
• Instantiate VM from this template and add a series of $ to the field
• Error when trying to build VM, around parsing of the template

Expected behavior

As there is a use case where custom user inputs could be used to enter passwords, this should be able to support all types of special characters as well

Details

• Affected Component: Sunstone
• Hypervisor: KVM
• Version: 6.10.3

Additional context

Screenshot of error below

Progress Status

• Code committed
• Testing - QA
• Documentation (Release notes - resolved issues, compatibility, known issues)