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Ephemeral variables (#3108)

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Signed-off-by: Andrei Ciobanu <andrei.ciobanu@opentofu.org>
Signed-off-by: Christian Mesh <christianmesh1@gmail.com>
This commit is contained in:
Andrei Ciobanu
2025-08-11 15:37:18 +03:00
committed by Christian Mesh
parent 528b778363
commit 013097b631
62 changed files with 1791 additions and 118 deletions
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40
internal/command/e2etest/testdata/ephemeral-workflow/main.tf vendored
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@@ -8,21 +8,36 @@ terraform {
}
}
variable "simple_input" {
type = string
}
variable "ephemeral_input" {
type = string
ephemeral = true
validation {
condition = var.ephemeral_input == "ephemeral_val"
error_message = "this is just to ensure that error_message is not executed when condition suceeds. If the condition fails, it will fail because this message references an ephemeral value ${var.ephemeral_input}}"
}
}
provider "simple" {
alias = "s1"
// NOTE we want to ensure that ephemeral variables can be used as provider configuration
i_depend_on = var.ephemeral_input
}
data "simple_resource" "test_data1" {
provider = simple.s1
value = "initial data value"
value = var.simple_input
}
ephemeral "simple_resource" "test_ephemeral" {
count = 2
count = 2
provider = simple.s1
// Having that "-with-renew" suffix, later when this value will be passed into "simple_resource.test_res.value_wo",
// the plugin will delay the response on some requests to allow ephemeral Renew calls to be performed.
value = "${data.simple_resource.test_data1.value}-with-renew"
value = "${data.simple_resource.test_data1.value}-${var.ephemeral_input}-with-renew"
}
resource "simple_resource" "test_res" {
@@ -36,27 +51,30 @@ resource "simple_resource" "test_res" {
provisioner "local-exec" {
command = "echo \"not visible ${ephemeral.simple_resource.test_ephemeral[0].value}\""
}
provisioner "local-exec" {
command = "echo \"not visible ${var.ephemeral_input}\""
}
// NOTE: value_wo cannot be used in a provisioner because it is returned as null by the provider so the interpolation fails
}
data "simple_resource" "test_data2" {
provider = simple.s1
value = "test"
value = "test"
lifecycle {
precondition {
// NOTE: precondition blocks can reference ephemeral values
condition = ephemeral.simple_resource.test_ephemeral[0].value != null
condition = ephemeral.simple_resource.test_ephemeral[0].value != null
error_message = "test message"
}
}
}
locals{
locals {
simple_provider_cfg = ephemeral.simple_resource.test_ephemeral[0].value
}
provider "simple" {
alias = "s2"
alias = "s2"
// NOTE: Ensure that ephemeral values can be used to configure a provider.
// This is needed in two cases: during plan/apply and also during destroy.
// This test has been updated when DestroyEdgeTransformer was updated to
@@ -72,16 +90,18 @@ provider "simple" {
resource "simple_resource" "test_res_second_provider" {
provider = simple.s2
value = "just a simple resource to ensure that the second provider it's working fine"
value = "just a simple resource to ensure that the second provider it's working fine"
}
module "call" {
source = "./mod"
in = ephemeral.simple_resource.test_ephemeral[0].value // NOTE: because variable "in" is marked as ephemeral, this should work as expected.
in = ephemeral.simple_resource.test_ephemeral[0].value
// NOTE: because variable "in" is marked as ephemeral, this should work as expected.
}
output "out_ephemeral" {
value = module.call.out2 // TODO: Because the output ephemeral marking is not done yet entirely, this is working now but remove this output once the marking of outputs are done completely.
value = module.call.out2
// TODO: Because the output ephemeral marking is not done yet entirely, this is working now but remove this output once the marking of outputs are done completely.
}
output "final_output" {