split backend configs.

provisioning/backend.azurerm.tf

@@ -0,0 +1,6 @@
+terraform {
+ backend "azurerm" {
+ container_name = "provisioning"
+ key = "default/terraform"
+ }
+}

provisioning/backend.gcs.tf

@@ -0,0 +1,5 @@
+terraform {
+ backend "gcs" {
+ prefix = "default/terraform"
+ }
+}

provisioning/backend.s3.tf

@@ -0,0 +1,5 @@
+terraform {
+ backend "s3" {
+ key = "default/terraform"
+ }
+}

provisioning/terraform.tf

@@ -0,0 +1,49 @@
+terraform {
+ # https://www.terraform.io/downloads.html
+ required_version = "1.2.8"
+
+ required_providers {
+ # https://registry.terraform.io/providers/hashicorp/aws/latest
+ aws = {
+ source = "hashicorp/aws"
+ version = "=4.27.0"
+ }
+ # https://registry.terraform.io/providers/hashicorp/azurerm/latest
+ azurerm = {
+ source = "hashicorp/azurerm"
+ version = "=3.19.1"
+ }
+ # https://registry.terraform.io/providers/hashicorp/google/latest
+ google = {
+ source = "hashicorp/google"
+ version = "=4.33.0"
+ }
+ # https://registry.terraform.io/providers/hashicorp/google-beta/latest
+ google-beta = {
+ source = "hashicorp/google-beta"
+ version = "=4.33.0"
+ }
+ }
+}
+
+provider "aws" {
+ access_key = var.aws_access_key
+ secret_key = var.aws_secret_key
+ region = var.aws_default_region
+}
+
+provider "azurerm" {
+ features {}
+}
+
+provider "google" {
+ project = var.gcp_project_id
+ region = var.gcp_default_region
+ zone = "${var.gcp_default_region}-a"
+}
+
+provider "google-beta" {
+ project = var.gcp_project_id
+ region = var.gcp_default_region
+ zone = "${var.gcp_default_region}-a"
+}

provisioning/variable.tf

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+variable "project_unique_id" {}
+
+variable "allowed_ipaddr_list" {
+ type = list(string)
+}
+
+variable "base_dnsdomain" {
+ default = "example.dev"
+}
+
+# <AWS>
+variable "aws_default_region" {}
+variable "aws_access_key" {}
+variable "aws_secret_key" {}
+# </AWS>
+
+# <Azure>
+variable "azure_default_location" {}
+# </Azure>
+
+# <Google>
+variable "gcp_default_region" {}
+variable "gcp_project_id" {}
+# </Google>