Use empty string for template file variables for interpolation #6
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This was referenced May 25, 2021
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Use empty string for template file interpolation to avoid null error in terraform when rendering the
user-data.txt.In this particular case since
use_ssmis passed to the template and fails the bash condition, it doesn't really matter what the value ofwg_server_private_key_aws_ssm_namebecause it would never be evaluated, but we set it to""to be logically as close tonullas possible while making sure interpolation doesn't have a null value.fixes #4