From 61d592fa637fed59fa980a7fcea5880a7b18cab5 Mon Sep 17 00:00:00 2001
From: Mario Sergio <mariopekenossalro@gmail.com>
Date: Thu, 7 Nov 2024 11:59:20 -0300
Subject: [PATCH] feat(instances): use terraform workspaces

---
 instances/main.tf                | 40 ++++++++++++++++++++++++--------
 instances/modules/common/main.tf |  1 +
 instances/variables.tf           | 30 ------------------------
 3 files changed, 31 insertions(+), 40 deletions(-)
 delete mode 100644 instances/variables.tf

diff --git a/instances/main.tf b/instances/main.tf
index 18b6a79..0c294fd 100644
--- a/instances/main.tf
+++ b/instances/main.tf
@@ -24,23 +24,43 @@ provider "aws" {
   region    = "us-east-1"
 }
 
+locals {
+  # Tipo de imagem para o servidor legado (APIS e Clientes Bonde)
+  ami                         = "ami-0866a3c8686eaeeba"
+
+  # Nome da chave SSH
+  key_name                    = "custom-host"
+
+  # Caminho para a chave privada SSH
+  private_key_path            = "~/.ssh/ailton-krenak.pem"
+
+  # Ambiente (dev, staging, production)
+  env                         = terraform.workspace
+
+  # Tipo de instância para o servidor legado (APIS e Clientes Bonde)
+  legacy_server_instance_type = terraform.workspace == "stage" ? "t3.small" : "t3.micro"
+
+  # Tipo de instância para o servidor de sites (Bonde Público e CMS)
+  sites_server_instance_type  = terraform.workspace == "stage" ? "t3.micro" : "t2.micro"
+}
+
 # Módulo para o servidor web
 module "legacy_server" {
   source            = "./modules/common"
-  ami               = var.ami
-  instance_type     = var.legacy_server_instance_type
-  instance_name     = "legacy-server-${var.env}"
-  key_name          = var.key_name
-  private_key_path  = var.private_key_path
+  ami               = local.ami
+  instance_type     = local.legacy_server_instance_type
+  instance_name     = "legacy-server-${local.env}"
+  key_name          = local.key_name
+  private_key_path  = local.private_key_path
   monitoring_files_path = "./monitoring"
 }
 
 module "sites_server" {
   source            = "./modules/common"
-  ami               = var.ami
-  instance_type     = var.sites_server_instance_type
-  instance_name     = "sites-server-${var.env}"
-  key_name          = var.key_name
-  private_key_path  = var.private_key_path
+  ami               = local.ami
+  instance_type     = local.sites_server_instance_type
+  instance_name     = "sites-server-${local.env}"
+  key_name          = local.key_name
+  private_key_path  = local.private_key_path
   monitoring_files_path = "./monitoring"
 }
\ No newline at end of file
diff --git a/instances/modules/common/main.tf b/instances/modules/common/main.tf
index 3e5de6b..eaee011 100644
--- a/instances/modules/common/main.tf
+++ b/instances/modules/common/main.tf
@@ -6,6 +6,7 @@ resource "aws_instance" "server" {
   ami           = var.ami
   instance_type = var.instance_type
 
+  # Nome da chave existente na Amazon, você deve ter o par da chave na sua máquina
   key_name = var.key_name
 
   tags = {
diff --git a/instances/variables.tf b/instances/variables.tf
deleted file mode 100644
index 95334db..0000000
--- a/instances/variables.tf
+++ /dev/null
@@ -1,30 +0,0 @@
-variable ami {
-    description = "Tipo de imagem para o servidor legado (APIS e Clientes Bonde)"
-    type        = string
-    default     = "ami-0866a3c8686eaeeba"     # Ubuntu
-}
-
-variable "legacy_server_instance_type" {
-    description = "Tipo de instância para o servidor legado (APIS e Clientes Bonde)"
-    type        = string
-}
-
-variable "sites_server_instance_type" {
-    description = "Tipo de instância para o servidor de sites (Bonde Público e CMS)"
-    type        = string
-}
-
-variable "env" {
-    description = "Ambiente (dev, staging, production)"
-    type        = string
-}
-
-variable "key_name" {
-    description = "Nome da chave SSH"
-    type        = string
-}
-
-variable "private_key_path" {
-    description = "Caminho para a chave privada SSH"
-    type        = string
-}
\ No newline at end of file