Actualiser vpc-production.tf

vpc-production.tf

@@ -0,0 +1,146 @@
+variable "aws_region" {
+  default = "eu-north-1"
+}
+
+variable "environment" {
+  default = "Production"
+}
+
+variable "vpc_cidr" {
+  default     = "10.0.0.0/16"
+  description = "CIDR block of the vpc"
+}
+
+variable "public_subnets_cidr" {
+  type        = list(any)
+  default     = ["10.0.0.0/20", "10.0.128.0/20"]
+  description = "CIDR block for Public Subnet"
+}
+
+variable "private_subnets_cidr" {
+  type        = list(any)
+  default     = ["10.0.16.0/20", "10.0.144.0/20"]
+  description = "CIDR block for Private Subnet"
+}
+
+locals {
+  availability_zones = ["${var.aws_region}a", "${var.aws_region}b"]
+}
+
+# VPC
+resource "aws_vpc" "default" {
+  cidr_block           = "10.0.0.0/16"
+  enable_dns_hostnames = true
+  enable_dns_support   = true
+  instance_tenancy = "default"
+
+  tags = {
+    Name        = "${var.environment}-vpc"
+    Environment = var.environment
+  }
+}
+
+# Public subnet
+resource "aws_subnet" "public_subnet" {
+  vpc_id                  = aws_vpc.default.id
+
+  count                   = length(var.public_subnets_cidr)
+  cidr_block              = element(var.public_subnets_cidr, count.index)
+  availability_zone       = element(local.availability_zones, count.index)
+  map_public_ip_on_launch = true
+
+  tags = {
+    Name        = "${var.environment}-${element(local.availability_zones, count.index)}-public-subnet"
+    Environment = "${var.environment}"
+  }
+}
+
+# Private Subnet
+resource "aws_subnet" "private_subnet" {
+  vpc_id                  = aws_vpc.default.id
+
+  count                   = length(var.private_subnets_cidr)
+  cidr_block              = element(var.private_subnets_cidr, count.index)
+  availability_zone       = element(local.availability_zones, count.index)
+  map_public_ip_on_launch = false
+
+  tags = {
+    Name        = "${var.environment}-${element(local.availability_zones, count.index)}-private-subnet"
+    Environment = "${var.environment}"
+  }
+}
+
+#Internet gateway
+resource "aws_internet_gateway" "igw" {
+  vpc_id = aws_vpc.default.id
+
+  tags = {
+    "Name"        = "${var.environment}-igw"
+    "Environment" = var.environment
+  }
+}
+
+# Elastic-IP (eip) for NAT
+#resource "aws_eip" "nat_eip" {
+#  vpc        = true
+#  depends_on = [aws_internet_gateway.ig]
+#}
+
+# NAT Gateway
+#resource "aws_nat_gateway" "nat" {
+#  allocation_id = aws_eip.nat_eip.id
+#  subnet_id     = element(aws_subnet.public_subnet.*.id, 0)
+#  tags = {
+#    Name        = "nat-gateway-${var.environment}"
+#    Environment = "${var.environment}"
+#  }
+#}
+
+# Routing tables to route traffic for Private Subnet
+resource "aws_route_table" "private" {
+  vpc_id = aws_vpc.default.id
+
+  tags = {
+    Name        = "${var.environment}-private-route-table"
+    Environment = "${var.environment}"
+  }
+}
+
+# Routing tables to route traffic for Public Subnet
+resource "aws_route_table" "public" {
+  vpc_id = aws_vpc.default.id
+
+  tags = {
+    Name        = "${var.environment}-public-route-table"
+    Environment = "${var.environment}"
+  }
+}
+
+# Route for Internet Gateway
+resource "aws_route" "public_internet_gateway" {
+  route_table_id         = aws_route_table.public.id
+
+  destination_cidr_block = "0.0.0.0/0"
+  gateway_id             = aws_internet_gateway.igw.id
+}
+
+# Route for NAT Gateway
+#resource "aws_route" "private_internet_gateway" {
+#  route_table_id         = aws_route_table.private.id
+#
+#  destination_cidr_block = "0.0.0.0/0"
+#  gateway_id             = aws_nat_gateway.nat.id
+#}
+
+# Route table associations for both Public subnet
+resource "aws_route_table_association" "public" {
+  count          = length(var.public_subnets_cidr)
+  subnet_id      = element(aws_subnet.public_subnet.*.id, count.index)
+  route_table_id = aws_route_table.public.id
+}
+
+resource "aws_route_table_association" "private" {
+  count          = length(var.private_subnets_cidr)
+  subnet_id      = element(aws_subnet.private_subnet.*.id, count.index)
+  route_table_id = aws_route_table.private.id
+}