00.output

00
terraform apply -auto-approve
null_resource.echo: Creating...
null_resource.echo: Provisioning with 'local-exec'...
null_resource.echo (local-exec): Executing: ["/bin/sh" "-c" "echo x=10 y=20 z=30\n"]
null_resource.echo (local-exec): x=10 y=20 z=30
null_resource.echo: Creation complete after 0s [id=2240813459510242007]

Apply complete! Resources: 1 added, 0 changed, 0 destroyed.
terraform show
# null_resource.echo:
resource "null_resource" "echo" {
    id       = "2240813459510242007"
    triggers = {
        "x" = "10"
        "y" = "20"
        "z" = "30"
    }
}

main.tf

locals {
  x = 10
  y = 20
  z = 30
}

resource "null_resource" "echo" {
  triggers = {
    x = local.x
    y = local.y
    z = local.z
  }

  provisioner "local-exec" {
    command = <<EOS
echo x=${local.x} y=${local.y} z=${local.z}
EOS
  }
}

Makefile

00:
	terraform apply -auto-approve
	terraform show
01:
	terraform output

fmt:
	terraform fmt
init:
	terraform init
.PHONY: init fmt