fix get_terragrunt_dir when using stack

Author: james03160927

config/config_helpers.go

@@ -0,0 +1,7 @@
+unit "unit_a" {
+  source = "../../unit_a"
+  path   = "unit_a"
+  values = {
+    terragrunt_dir = get_terragrunt_dir()
+  }
+}

config/stack.go

@@ -0,0 +1,5 @@
+variable "terragrunt_dir" {}
+
+output "terragrunt_dir" {
+  value = var.terragrunt_dir
+}

test/fixtures/stacks/terragrunt-dir/live/root.hcl

@@ -0,0 +1,12 @@
+
+include "root" {
+  path = find_in_parent_folders("root.hcl")
+}
+
+terraform {
+  source = "."
+}
+
+inputs = {
+  terragrunt_dir = values.terragrunt_dir
+}

test/fixtures/stacks/terragrunt-dir/live/tennant_1/terragrunt.stack.hcl

@@ -47,6 +47,7 @@ const (
 	testFixtureStackSelfInclude                = "fixtures/stacks/self-include"
 	testFixtureStackNestedOutputs              = "fixtures/stacks/nested-outputs"
 	testFixtureStackNoValidation               = "fixtures/stacks/no-validation"
+	testFixtureStackTerragruntDir              = "fixtures/stacks/terragrunt-dir"
 )
 
 func TestStacksGenerateBasic(t *testing.T) {
@@ -249,32 +250,6 @@ func TestStacksApplyClean(t *testing.T) {
 	assert.NoDirExists(t, path)
 }
 
-func TestStackCleanRecursively(t *testing.T) {
-	t.Parallel()
-
-	helpers.CleanupTerraformFolder(t, testFixtureNestedStacks)
-	tmpEnvPath := helpers.CopyEnvironment(t, testFixtureNestedStacks)
-	gitPath := util.JoinPath(tmpEnvPath, testFixtureNestedStacks)
-	helpers.CreateGitRepo(t, gitPath)
-	live := util.JoinPath(gitPath, "live")
-
-	_, _, err := helpers.RunTerragruntCommandWithOutput(t, "terragrunt stack generate --working-dir "+live)
-	require.NoError(t, err)
-
-	liveV2 := util.JoinPath(gitPath, "live-v2")
-	_, _, err = helpers.RunTerragruntCommandWithOutput(t, "terragrunt stack generate --working-dir "+liveV2)
-	require.NoError(t, err)
-
-	_, stderr, err := helpers.RunTerragruntCommandWithOutput(t, "terragrunt stack clean --working-dir "+gitPath)
-	require.NoError(t, err)
-
-	assert.NoDirExists(t, util.JoinPath(live, ".terragrunt-stack"))
-	assert.NoDirExists(t, util.JoinPath(liveV2, ".terragrunt-stack"))
-
-	assert.Contains(t, stderr, "Deleting stack directory: live/.terragrunt-stack")
-	assert.Contains(t, stderr, "Deleting stack directory: live-v2/.terragrunt-stack")
-}
-
 func TestStacksDestroy(t *testing.T) {
 	t.Parallel()
 
@@ -1275,3 +1250,20 @@ func validateStackDir(t *testing.T, path string) {
 
 	assert.True(t, hasSubdirectories, "The .terragrunt-stack directory should contain at least one subdirectory")
 }
+
+func TestStackTerragruntDir(t *testing.T) {
+	t.Parallel()
+
+	helpers.CleanupTerraformFolder(t, testFixtureStackTerragruntDir)
+	tmpEnvPath := helpers.CopyEnvironment(t, testFixtureStackTerragruntDir)
+	gitPath := util.JoinPath(tmpEnvPath, testFixtureStackTerragruntDir)
+	helpers.CreateGitRepo(t, gitPath)
+	rootPath := util.JoinPath(gitPath, "live")
+
+	_, _, err := helpers.RunTerragruntCommandWithOutput(t, "terragrunt stack generate --no-stack-validate --working-dir "+rootPath)
+	require.NoError(t, err)
+
+	out, _, err := helpers.RunTerragruntCommandWithOutput(t, "terragrunt apply --all --non-interactive --working-dir "+rootPath)
+	require.NoError(t, err)
+	assert.Contains(t, out, `terragrunt_dir = "./tennant_1"`)
+}