diff options
Diffstat (limited to 'terraform/aws/mini_environment/main.tf')
-rw-r--r-- | terraform/aws/mini_environment/main.tf | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/terraform/aws/mini_environment/main.tf b/terraform/aws/mini_environment/main.tf new file mode 100644 index 0000000..4f9b9c3 --- /dev/null +++ b/terraform/aws/mini_environment/main.tf @@ -0,0 +1,145 @@ +terraform { + backend "http" {} +} + +variable "slug" { + type = "string" +} + +variable "aws_access_key" { + type = "string" +} + +variable "aws_secret_key" { + type = "string" +} + +variable "aws_region" { + type = "string" +} + +variable "aws_route_53_zone_id" { + type = "string" +} + +variable "aws_efs_file_system_id" { + type = "string" +} + +variable "start_command" { + type = "string" +} + +variable "backend_remote_state_address" { + type = "string" +} + +provider "aws" { + access_key = "${var.aws_access_key}" + secret_key = "${var.aws_secret_key}" + region = "${var.aws_region}" +} + + +data "terraform_remote_state" "backend" { + backend = "http" + config { + address = "${var.backend_remote_state_address}" + } +} + +data "aws_route53_zone" "main" { + zone_id = "${var.aws_route_53_zone_id}" +} + +data "aws_efs_file_system" "main" { + file_system_id = "${var.aws_efs_file_system_id}" +} + +data "template_file" "govuk_service" { + template = "${file("${path.module}/govuk.service.tpl")}" + + vars { + start_command = "${var.start_command}" + } +} + + +resource "aws_spot_instance_request" "main" { + ami = "ami-8fd760f6" + instance_type = "t2.large" + key_name = "${data.terraform_remote_state.backend.deployer_key_pair_name}" + security_groups = [ + "${data.terraform_remote_state.backend.guix_client_security_group_name}", + "${data.terraform_remote_state.backend.public_webserver_security_group_name}", + "${data.terraform_remote_state.backend.ssh_access_from_mini_environment_admin_security_group_name}" + ] + + wait_for_fulfillment = true + spot_price = "0.05" + + provisioner "file" { + content = "${data.template_file.govuk_service.rendered}" + destination = "/home/ubuntu/govuk.service" + + connection { + type = "ssh" + user = "ubuntu" + } + } + + provisioner "remote-exec" { + inline = [ + "sudo apt-get update", + "sudo apt-get update", + "sudo apt-get -y install nfs-common cachefilesd", + "sudo tune2fs -o user_xattr /dev/xvda1", + "sudo sed 's/#RUN/RUN/' -i /etc/default/cachefilesd", + "sudo mkdir -p /gnu/store", + "sudo mount -t nfs4 -o ro,nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,actimeo=600,fsc,nocto,retrans=2 ${data.aws_efs_file_system.main.dns_name}:gnu/store /gnu/store", + "sudo mkdir -p /var/guix", + "sudo mount -t nfs4 -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2 ${data.aws_efs_file_system.main.dns_name}:var/guix /var/guix", + "echo \"export GUIX_DAEMON_SOCKET=guix://${data.terraform_remote_state.backend.guix_daemon_private_dns}\" | sudo tee /etc/profile.d/guix-daemon-socket.sh", + #"sudo systemctl restart cachefilesd", + "sudo iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080", + "sudo iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 443 -j REDIRECT --to-port 8443", + "sudo iptables -A OUTPUT -t nat -o lo -p tcp --dport 80 -j REDIRECT --to-port 8080", + "sudo iptables -A OUTPUT -t nat -o lo -p tcp --dport 443 -j REDIRECT --to-port 8443", + "sudo mv /home/ubuntu/govuk.service /etc/systemd/system/govuk.service", + "sudo systemctl daemon-reload", + "sudo systemctl enable govuk.service", + "sudo systemctl start govuk.service" + ] + + connection { + type = "ssh" + user = "ubuntu" + } + } +} + +resource "aws_route53_record" "main" { + zone_id = "${data.aws_route53_zone.main.zone_id}" + name = "${var.slug}" + type = "A" + ttl = "60" + records = ["${aws_spot_instance_request.main.public_ip}"] +} + +resource "aws_route53_record" "wildcard" { + zone_id = "${data.aws_route53_zone.main.zone_id}" + name = "*.${var.slug}" + type = "A" + ttl = "60" + records = ["${aws_spot_instance_request.main.public_ip}"] +} + +# Outputs + +output "spot_bid_status" { + value = "${aws_spot_instance_request.main.spot_bid_status}" +} + +output "spot_request_status" { + value = "${aws_spot_instance_request.main.spot_request_state}" +} |