Conditional substring in a Jinja2 template

Question:

When deploying with ansible, There’s 1 specific case where I need to strip a string of a trailing -p substring.

The string somemachine-prod-p should become somemachine-prod only if the -p is at the end.

The substring function I saw I can use with Jinja does not fulfill my needs as I need to strip the end of the string, not the start.

Ideas?

Answer:

Found it.

If anyone wants to know:

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