open-vault/terraform/aws/main.tf
2015-05-11 16:19:29 -07:00

126 lines
3 KiB
HCL

resource "template_file" "install" {
filename = "${path.module}/scripts/install.sh.tpl"
vars {
download_url = "${var.download-url}"
config = "${var.config}"
extra-install = "${var.extra-install}"
}
}
// We launch Vault into an ASG so that it can properly bring them up for us.
resource "aws_autoscaling_group" "vault" {
name = "vault - ${aws_launch_configuration.vault.name}"
launch_configuration = "${aws_launch_configuration.vault.name}"
availability_zones = ["${split(",", var.availability-zones)}"]
min_size = "${var.nodes}"
max_size = "${var.nodes}"
desired_capacity = "${var.nodes}"
health_check_grace_period = 15
health_check_type = "EC2"
vpc_zone_identifier = ["${split(",", var.subnets)}"]
load_balancers = ["${aws_elb.vault.id}"]
tag {
key = "Name"
value = "vault"
propagate_at_launch = true
}
}
resource "aws_launch_configuration" "vault" {
image_id = "${var.ami}"
instance_type = "${var.instance_type}"
key_name = "${var.key-name}"
security_groups = ["${aws_security_group.vault.id}"]
user_data = "${template_file.install.rendered}"
}
// Security group for Vault allows SSH and HTTP access (via "tcp" in
// case TLS is used)
resource "aws_security_group" "vault" {
name = "vault"
description = "Vault servers"
ingress {
from_port = 22
to_port = 22
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 8200
to_port = 8200
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
}
}
// Launch the ELB that is serving Vault. This has proper health checks
// to only serve healthy, unsealed Vaults.
resource "aws_elb" "vault" {
name = "vault"
availability_zones = ["${split(",", var.availability-zones)}"]
connection_draining = true
connection_draining_timeout = 400
internal = true
subnets = ["${split(",", var.subnets)}"]
security_groups = ["${aws_security_group.elb.id}"]
listener {
instance_port = 8200
instance_protocol = "tcp"
lb_port = 80
lb_protocol = "tcp"
}
listener {
instance_port = 8200
instance_protocol = "tcp"
lb_port = 443
lb_protocol = "tcp"
}
health_check {
healthy_threshold = 2
unhealthy_threshold = 3
timeout = 5
target = "${var.elb-health-check}"
interval = 15
}
}
resource "aws_security_group" "elb" {
name = "vault-elb"
description = "Vault ELB"
ingress {
from_port = 80
to_port = 80
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 443
to_port = 443
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
}
}