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linux-vm-main.tf
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linux-vm-main.tf
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###################################
## Virtual Machine Module - Main ##
###################################
# Create Elastic IP for the EC2 instance
resource "aws_eip" "linux-eip" {
vpc = true
tags = {
Name = "${lower(var.app_name)}-${var.app_environment}-linux-eip"
Environment = var.app_environment
}
}
# Create EC2 Instance
resource "aws_instance" "linux-server" {
ami = data.aws_ami.ubuntu-linux-1804.id
instance_type = var.linux_instance_type
subnet_id = aws_subnet.public-subnet.id
vpc_security_group_ids = [aws_security_group.aws-linux-sg.id]
associate_public_ip_address = var.linux_associate_public_ip_address
source_dest_check = false
key_name = aws_key_pair.key_pair.key_name
user_data = file("aws-user-data.sh")
# root disk
root_block_device {
volume_size = var.linux_root_volume_size
volume_type = var.linux_root_volume_type
delete_on_termination = true
encrypted = true
}
# extra disk
ebs_block_device {
device_name = "/dev/xvda"
volume_size = var.linux_data_volume_size
volume_type = var.linux_data_volume_type
encrypted = true
delete_on_termination = true
}
tags = {
Name = "${lower(var.app_name)}-${var.app_environment}-linux-server"
Environment = var.app_environment
}
}
# Associate Elastic IP to Linux Server
resource "aws_eip_association" "linux-eip-association" {
instance_id = aws_instance.linux-server.id
allocation_id = aws_eip.linux-eip.id
}
# Define the security group for the Linux server
resource "aws_security_group" "aws-linux-sg" {
name = "${lower(var.app_name)}-${var.app_environment}-linux-sg"
description = "Allow incoming HTTP connections"
vpc_id = aws_vpc.vpc.id
ingress {
from_port = 80
to_port = 80
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
description = "Allow incoming HTTP connections"
}
ingress {
from_port = 22
to_port = 22
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
description = "Allow incoming SSH connections"
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
}
tags = {
Name = "${lower(var.app_name)}-${var.app_environment}-linux-sg"
Environment = var.app_environment
}
}