Created
January 3, 2020 22:20
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provider "aws" { | |
region = var.region | |
version = "0.0" | |
} | |
resource "aws_instance" "main" { | |
count = var.instance_count | |
ami = "ami-04b9e92b5572fa0d1" | |
instance_type = var.instance_type | |
subnet_id = aws_subnet.main.id | |
source_dest_check = var.source_dest_check | |
vpc_security_group_ids = [aws_security_group.main.id] | |
key_name = var.key_name | |
associate_public_ip_address = true | |
tags = { | |
Name = "${var.common_identifier}_${count.index + 1}" | |
} | |
} |
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resource "aws_vpc" "main" { | |
cidr_block = var.vpc_cidr_block | |
enable_dns_hostnames = true | |
enable_dns_support = true | |
tags = { | |
Name = var.common_identifier | |
} | |
} | |
resource "aws_internet_gateway" "main" { | |
vpc_id = aws_vpc.main.id | |
tags = { | |
Name = var.common_identifier | |
} | |
} | |
resource "aws_route" "igw" { | |
route_table_id = aws_vpc.main.main_route_table_id | |
destination_cidr_block = var.igw_route_cidr_block | |
gateway_id = aws_internet_gateway.main.id | |
} | |
resource "aws_security_group" "main" { | |
name = var.common_identifier | |
vpc_id = aws_vpc.main.id | |
ingress { | |
description = "Allow UDP inbound traffic" | |
from_port = var.udp_port_lower | |
to_port = var.udp_port_upper | |
protocol = "udp" | |
cidr_blocks = [var.vpc_cidr_block] | |
} | |
ingress { | |
description = "Allow SSH" | |
from_port = 22 | |
to_port = 22 | |
protocol = "tcp" | |
cidr_blocks = var.ssh_cidr_blocks | |
} | |
egress { | |
description = "Allow all outbound traffic" | |
from_port = 0 | |
to_port = 0 | |
protocol = "-1" | |
cidr_blocks = var.outbound_cidr_blocks | |
} | |
} | |
resource "aws_subnet" "main" { | |
vpc_id = aws_vpc.main.id | |
cidr_block = var.subnet_cidr_block | |
availability_zone = "us-east-1a" | |
tags = { | |
Name = var.common_identifier | |
} | |
} | |
resource "aws_ec2_transit_gateway" "main" { | |
multicast_support = "enable" | |
tags = { | |
Name = var.common_identifier | |
} | |
} | |
resource "aws_ec2_transit_gateway_vpc_attachment" "main" { | |
subnet_ids = [aws_subnet.main.id] | |
transit_gateway_id = aws_ec2_transit_gateway.main.id | |
vpc_id = aws_vpc.main.id | |
tags = { | |
Name = var.common_identifier | |
} | |
} | |
resource "aws_ec2_transit_gateway_multicast_domain" "main" { | |
transit_gateway_id = aws_ec2_transit_gateway.main.id | |
tags = { | |
Name = var.common_identifier | |
} | |
association { | |
transit_gateway_attachment_id = aws_ec2_transit_gateway_vpc_attachment.main.id | |
subnet_ids = [aws_subnet.main.id] | |
} | |
members { | |
group_ip_address = "224.0.4.2" | |
network_interface_ids = [aws_instance.main[0].primary_network_interface_id] | |
} | |
sources { | |
group_ip_address = "224.0.4.2" | |
network_interface_ids = [aws_instance.main[0].primary_network_interface_id] | |
} | |
} |
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