Adding ConfigVariables to allow defining of Terraform variables withi…

…n a TestStep (#150)

config/variable.go

@@ -0,0 +1,175 @@
+package config
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"math/big"
+	"os"
+	"path/filepath"
+
+	"golang.org/x/exp/constraints"
+)
+
+const autoTFVarsJson = "generated.auto.tfvars.json"
+
+type Variables map[string]Variable
+
+func (v Variables) Write(dest string) error {
+	buf := bytes.NewBuffer(nil)
+
+	buf.Write([]byte(`{`))
+
+	for k, val := range v {
+		j, err := val.MarshalJSON()
+
+		if err != nil {
+			return err
+		}
+
+		buf.Write([]byte(fmt.Sprintf("%q: ", k)))
+		buf.Write(j)
+		buf.Write([]byte(","))
+	}
+
+	b := bytes.TrimRight(buf.Bytes(), ",")
+
+	buf = bytes.NewBuffer(b)
+
+	buf.Write([]byte(`}`))
+
+	outFilename := filepath.Join(dest, autoTFVarsJson)
+
+	err := os.WriteFile(outFilename, buf.Bytes(), 0700)
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+type Variable interface {
+	json.Marshaler
+}
+
+func BoolVariable(value bool) boolVariable {
+	return boolVariable{
+		value: value,
+	}
+}
+
+type boolVariable struct {
+	value bool
+}
+
+func (t boolVariable) MarshalJSON() ([]byte, error) {
+	return json.Marshal(t.value)
+}
+
+func ListVariable(value ...Variable) listVariable {
+	return listVariable{
+		value: value,
+	}
+}
+
+type listVariable struct {
+	value []Variable
+}
+
+func (t listVariable) MarshalJSON() ([]byte, error) {
+	return json.Marshal(t.value)
+}
+
+func MapVariable(value map[string]Variable) mapVariable {
+	return mapVariable{
+		value: value,
+	}
+}
+
+type mapVariable struct {
+	value map[string]Variable
+}
+
+func (t mapVariable) MarshalJSON() ([]byte, error) {
+	return json.Marshal(t.value)
+}
+
+func ObjectVariable(value map[string]Variable) objectVariable {
+	return objectVariable{
+		value: value,
+	}
+}
+
+type objectVariable struct {
+	value map[string]Variable
+}
+
+func (t objectVariable) MarshalJSON() ([]byte, error) {
+	return json.Marshal(t.value)
+}
+
+type number interface {
+	constraints.Float | constraints.Integer | *big.Float
+}
+
+func NumberVariable[T number](value T) numberVariable {
+	return numberVariable{
+		value: value,
+	}
+}
+
+type numberVariable struct {
+	value any
+}
+
+func (t numberVariable) MarshalJSON() ([]byte, error) {
+	switch v := t.value.(type) {
+	case *big.Float:
+		return []byte(v.Text('g', -1)), nil
+	}
+
+	return json.Marshal(t.value)
+}
+
+func SetVariable(value ...Variable) setVariable {
+	return setVariable{
+		value: value,
+	}
+}
+
+type setVariable struct {
+	value []Variable
+}
+
+func (t setVariable) MarshalJSON() ([]byte, error) {
+	return json.Marshal(t.value)
+}
+
+func StringVariable(value string) stringVariable {
+	return stringVariable{
+		value: value,
+	}
+}
+
+type stringVariable struct {
+	value string
+}
+
+func (t stringVariable) MarshalJSON() ([]byte, error) {
+	return json.Marshal(t.value)
+}
+
+func TupleVariable(value ...Variable) tupleVariable {
+	return tupleVariable{
+		value: value,
+	}
+}
+
+type tupleVariable struct {
+	value []Variable
+}
+
+func (t tupleVariable) MarshalJSON() ([]byte, error) {
+	return json.Marshal(t.value)
+}

config_directory_test/TestTest_ConfigDirectory_TestNameDirectory_AttributeDoesNotExist_MultipleFiles_Vars/provider.tf

@@ -0,0 +1,4 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+provider "random" {}

config_directory_test/TestTest_ConfigDirectory_TestNameDirectory_AttributeDoesNotExist_MultipleFiles_Vars/random.tf

@@ -0,0 +1,8 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+resource "random_password" "test" {
+  length = var.length
+
+  numeric = var.numeric
+}

config_directory_test/TestTest_ConfigDirectory_TestNameDirectory_AttributeDoesNotExist_MultipleFiles_Vars/terraform.tf

@@ -0,0 +1,11 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+terraform {
+  required_providers {
+    random = {
+      source = "registry.terraform.io/hashicorp/random"
+      version = "3.2.0"
+    }
+  }
+}

config_directory_test/TestTest_ConfigDirectory_TestNameDirectory_AttributeDoesNotExist_MultipleFiles_Vars/vars.tf

@@ -0,0 +1,7 @@
+variable "length" {
+  type = number
+}
+
+variable "numeric" {
+  type = bool
+}

config_directory_test/TestTest_ConfigDirectory_TestNameDirectory_AttributeDoesNotExist_Vars/random.tf

@@ -0,0 +1,19 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+terraform {
+  required_providers {
+    random = {
+      source = "registry.terraform.io/hashicorp/random"
+      version = "3.2.0"
+    }
+  }
+}
+
+provider "random" {}
+
+resource "random_password" "test" {
+  length = var.length
+
+  numeric = var.numeric
+}

config_directory_test/TestTest_ConfigDirectory_TestNameDirectory_AttributeDoesNotExist_Vars/vars.tf

@@ -0,0 +1,7 @@
+variable "length" {
+  type = number
+}
+
+variable "numeric" {
+  type = bool
+}

config_directory_test/TestTest_ConfigDirectory_TestNameDirectory_MultipleFiles_Vars/provider.tf

@@ -0,0 +1,4 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+provider "random" {}

config_directory_test/TestTest_ConfigDirectory_TestNameDirectory_MultipleFiles_Vars/random.tf

@@ -0,0 +1,8 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+resource "random_password" "test" {
+  length = 8
+
+  numeric = false
+}

config_directory_test/TestTest_ConfigDirectory_TestNameDirectory_MultipleFiles_Vars/terraform.tf

@@ -0,0 +1,11 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+terraform {
+  required_providers {
+    random = {
+      source = "registry.terraform.io/hashicorp/random"
+      version = "3.5.1"
+    }
+  }
+}

config_directory_test/TestTest_ConfigDirectory_TestNameDirectory_Vars/random.tf

@@ -0,0 +1,19 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+terraform {
+  required_providers {
+    random = {
+      source = "registry.terraform.io/hashicorp/random"
+      version = "3.5.1"
+    }
+  }
+}
+
+provider "random" {}
+
+resource "random_password" "test" {
+  length = var.length
+
+  numeric = var.numeric
+}

config_directory_test/TestTest_ConfigDirectory_TestNameDirectory_Vars/vars.tf

@@ -0,0 +1,7 @@
+variable "length" {
+  type = number
+}
+
+variable "numeric" {
+  type = bool
+}

config_directory_test/TestTest_ConfigDirectory_TestStepDirectory_AttributeDoesNotExist_MultipleFiles_Vars/1/provider.tf

@@ -0,0 +1,4 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+provider "random" {}

config_directory_test/TestTest_ConfigDirectory_TestStepDirectory_AttributeDoesNotExist_MultipleFiles_Vars/1/random.tf

@@ -0,0 +1,8 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+resource "random_password" "test" {
+  length = var.length
+
+  numeric = var.numeric
+}

config_directory_test/TestTest_ConfigDirectory_TestStepDirectory_AttributeDoesNotExist_MultipleFiles_Vars/1/terraform.tf

@@ -0,0 +1,11 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+terraform {
+  required_providers {
+    random = {
+      source = "registry.terraform.io/hashicorp/random"
+      version = "3.2.0"
+    }
+  }
+}

config_directory_test/TestTest_ConfigDirectory_TestStepDirectory_AttributeDoesNotExist_MultipleFiles_Vars/1/vars.tf

@@ -0,0 +1,7 @@
+variable "length" {
+  type = number
+}
+
+variable "numeric" {
+  type = bool
+}

config_directory_test/TestTest_ConfigDirectory_TestStepDirectory_AttributeDoesNotExist_Vars/1/random.tf

@@ -0,0 +1,19 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+terraform {
+  required_providers {
+    random = {
+      source = "registry.terraform.io/hashicorp/random"
+      version = "3.2.0"
+    }
+  }
+}
+
+provider "random" {}
+
+resource "random_password" "test" {
+  length = var.length
+
+  numeric = var.numeric
+}

config_directory_test/TestTest_ConfigDirectory_TestStepDirectory_AttributeDoesNotExist_Vars/1/vars.tf

@@ -0,0 +1,7 @@
+variable "length" {
+  type = number
+}
+
+variable "numeric" {
+  type = bool
+}

config_directory_test/TestTest_ConfigDirectory_TestStepDirectory_MultipleFiles_Vars/1/provider.tf

@@ -0,0 +1,4 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+provider "random" {}

config_directory_test/TestTest_ConfigDirectory_TestStepDirectory_MultipleFiles_Vars/1/random.tf

@@ -0,0 +1,8 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+resource "random_password" "test" {
+  length = var.length
+
+  numeric = var.numeric
+}

config_directory_test/TestTest_ConfigDirectory_TestStepDirectory_MultipleFiles_Vars/1/terraform.tf

@@ -0,0 +1,11 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
+terraform {
+  required_providers {
+    random = {
+      source = "registry.terraform.io/hashicorp/random"
+      version = "3.5.1"
+    }
+  }
+}