Update Terraform configuration for SSH

Add key pair for SSH access to instance. Add resources for traffic rules.

terraform/main.tf

@@ -13,11 +13,81 @@ provider "aws" {
   region = "us-west-2"
 }
 
-resource "aws_instance" "app_server" {
-  ami           = "ami-830c94e3"
-  instance_type = "t2.micro"
+resource "aws_vpc" "bench_run" {
+  cidr_block           = "10.0.0.0/16"
+  enable_dns_hostnames = true
+  enable_dns_support   = true
 
   tags = {
-    Name = "ExampleAppServerInstance"
+    Name = "bench_run"
   }
 }
+
+resource "aws_eip" "bench_run_ip" {
+  instance = aws_instance.bench_runner.id
+  vpc      = true
+}
+
+resource "aws_internet_gateway" "bench_run_gw" {
+  vpc_id = aws_vpc.bench_run.id
+
+  tags = {
+    Name = "bench_run_gw"
+  }
+}
+
+resource "aws_subnet" "subnet1" {
+  cidr_block        = cidrsubnet(aws_vpc.bench_run.cidr_block, 3, 1)
+  vpc_id            = aws_vpc.bench_run.id
+  availability_zone = "us-west-2a"
+}
+
+resource "aws_route_table" "bench_run_route_table" {
+  vpc_id = aws_vpc.bench_run.id
+
+  route {
+    cidr_block = "0.0.0.0/0"
+    gateway_id = aws_internet_gateway.bench_run_gw.id
+  }
+
+  tags = {
+    Name = "bench_run_route_table"
+  }
+}
+
+resource "aws_route_table_association" "subnet_association" {
+  subnet_id      = aws_subnet.subnet1.id
+  route_table_id = aws_route_table.bench_run_route_table.id
+}
+
+resource "aws_security_group" "ingress_all" {
+  name   = "allow_all_sg"
+  vpc_id = aws_vpc.bench_run.id
+
+  ingress {
+    cidr_blocks = ["0.0.0.0/0"]
+    from_port   = 22
+    to_port     = 22
+    protocol    = "tcp"
+  }
+
+  egress {
+    cidr_blocks = ["0.0.0.0/0"]
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+  }
+}
+
+resource "aws_instance" "bench_runner" {
+  ami                    = "ami-830c94e3"
+  instance_type          = "t2.micro"
+  key_name               = "bench-runner"
+  vpc_security_group_ids = ["${aws_security_group.ingress_all.id}"]
+  subnet_id              = aws_subnet.subnet1.id
+
+  tags = {
+    Name = "BenchmarkingEC2Runner"
+  }
+}
+