template_file renders a template from a file.
Use it with a fileor inline. E.g.
file
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data "template_file" "ec2_policy" { template = "${file("policies/ec2_policy.json.tftemplate")}" vars { ip_address - ${aws_instance.my_instances.private_ip}" } |
file refers to a file path in the current directory.
and ip_address is set to a value which can be read in the template using ${ip_address}.
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data "template_file" "init" { template = "${file("${path.module}/init.tpl")}" vars { consul_address = "${aws_instance.consul.private_ip}" } } |
Note: see also Terraform: Data Sources
and https://www.terraform.io/docs/providers/template/d/file.html#