EC2,VPC,SECGROUP - Terraform

Terraform/README.md

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+## Criar uma infraestrutura na Amazon AWS utilizando o Terraform
+   * Subir 1 instância EC2 t2.micro com EBS attached de 20GB na rede pública
+
+`vpc.tf`: Responsável por criar a VPC e também subnets Pública e Privada
+
+`variables.tf`: Declaração das variáveis
+
+`public.tf`: Criar as 1 instância com disco de 20GB atachado e atrelado à subnet pública
+
+`provider`: Faz a conexão com a AWS

Terraform/provider.tf

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+provider "aws" {
+    access_key = "${var.aws_access_key}"
+    secret_key = "${var.aws_secret_key}"
+    region = "${var.aws_region}"
+}

Terraform/public.tf

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+/*
+  Web Servers
+*/
+resource "aws_security_group" "webserver" {
+    name = "vpc_web"
+    description = "HTTP connections."
+
+    ingress {
+        from_port = 80
+        to_port = 80
+        protocol = "tcp"
+        cidr_blocks = ["0.0.0.0/0"]
+    }
+
+	ingress {
+        from_port = 22
+        to_port = 22
+        protocol = "tcp"
+        cidr_blocks = ["0.0.0.0/0"]
+    }
+
+    ingress {
+        from_port = -1
+        to_port = -1
+        protocol = "icmp"
+        cidr_blocks = ["0.0.0.0/0"]
+    }
+
+    egress { # All Traffic
+        from_port = 0
+        to_port = 65535
+        protocol = "tcp"
+        cidr_blocks = ["0.0.0.0/0"]
+    }
+
+    vpc_id = "${aws_vpc.default.id}"
+
+    tags {
+        Name = "WebServerSG"
+    }
+}
+
+resource "aws_instance" "webserver" {
+    ami = "${lookup(var.amis, var.aws_region)}"
+    instance_type = "t2.micro"
+    key_name = "${var.aws_key_name}"
+    vpc_security_group_ids = ["${aws_security_group.webserver.id}"]
+    subnet_id = "${aws_subnet.us-east-1-public.id}"
+    associate_public_ip_address = true
+    source_dest_check = false
+    ebs_block_device {
+     device_name = "/dev/sda1"
+     volume_size = "20"
+     volume_type = "gp2"
+     delete_on_termination = "true"
+} 
+
+    tags {
+        Name = "Web Server 1"
+    }
+}
+
+
+resource "aws_eip" "webserver" {
+    instance = "${aws_instance.webserver.id}"
+    vpc = true
+}

Terraform/variables.tf

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+# Variaveis AWS
+
+variable "aws_access_key" {}
+variable "aws_secret_key" {}
+variable "aws_key_path" {}
+variable "aws_key_name" {}
+
+variable "aws_region" {
+    description = "REGIAO PARA CRIACAO EC2 e VPC"
+    default = "us-east-1"
+}
+
+variable "amis" {
+    description = "IMI Ubuntu da Regiao US EAST 1 "
+    default = {
+        us-east-1 = "ami-43a15f3e" 
+    }
+}
+
+variable "vpc_cidr" {
+    description = "CIDR for the whole VPC"
+    default = "10.0.0.0/16"
+}
+
+variable "public_subnet_cidr" {
+    description = "CIDR for the Public Subnet"
+    default = "10.0.0.0/24"
+}
+
+variable "private_subnet_cidr" {
+    description = "CIDR for the Private Subnet"
+    default = "10.0.1.0/24"
+}
+
+

Terraform/vpc.tf

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+# Criacao da VPC e Subnets Publica e Privada
+
+resource "aws_vpc" "default" {
+    cidr_block = "${var.vpc_cidr}"
+    enable_dns_hostnames = true
+    tags {
+        Name = "terraform-aws-vpc"
+    }
+}
+
+resource "aws_internet_gateway" "default" {
+    vpc_id = "${aws_vpc.default.id}"
+}
+
+
+/*
+  Public Subnet
+*/
+resource "aws_subnet" "us-east-1-public" {
+    vpc_id = "${aws_vpc.default.id}"
+
+    cidr_block = "${var.public_subnet_cidr}"
+    availability_zone = "us-east-1a"
+
+    tags {
+        Name = "Public Subnet"
+    }
+}
+
+resource "aws_route_table" "us-east-1-public" {
+    vpc_id = "${aws_vpc.default.id}"
+
+    route {
+        cidr_block = "0.0.0.0/0"
+        gateway_id = "${aws_internet_gateway.default.id}"
+    }
+
+    tags {
+        Name = "Public Subnet"
+    }
+}
+
+resource "aws_route_table_association" "us-east-1-public" {
+    subnet_id = "${aws_subnet.us-east-1-public.id}"
+    route_table_id = "${aws_route_table.us-east-1-public.id}"
+}
+
+/*
+  Private Subnet
+*/
+resource "aws_subnet" "us-east-1-private" {
+    vpc_id = "${aws_vpc.default.id}"
+
+    cidr_block = "${var.private_subnet_cidr}"
+    availability_zone = "us-east-1b"
+
+    tags {
+        Name = "Private Subnet"
+    }
+}
+
+resource "aws_route_table" "us-east-1-private" {
+    vpc_id = "${aws_vpc.default.id}"
+
+    route {
+        cidr_block = "0.0.0.0/0"
+    }
+
+    tags {
+        Name = "Private Subnet"
+    }
+}
+
+resource "aws_route_table_association" "us-east-1-private" {
+    subnet_id = "${aws_subnet.us-east-1-private.id}"
+    route_table_id = "${aws_route_table.us-east-1-private.id}"
+}
+