如何将一个cloudformation参数设置为powershell变量

Question

Trying to simply run some powershell in my cloudformation based on a user inpute parameter in cloudformation.

This works

write-host ${CFParameter} >> C:\temp\log.txt

but this does not

$PSVariable = ${CFParameter}

write-host $PSVariable >> C:\temp\log.txt

the second one just returns a blank line but the first one returns the correct information

Answer 1

If your powershell is being used in userdata and you can use ref function to refer to the parameter. I would recommend using cloudkast which is an online cloudformation template generator. It makes it easy to generate cloudformation templates.