open-consul/test/load/terraform/consul.tf

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2020-10-06 01:16:09 +00:00
data "aws_ami" "consul" {
most_recent = true
owners = var.ami_owners
filter {
name = "virtualization-type"
values = ["hvm"]
}
filter {
name = "is-public"
values = ["false"]
}
filter {
name = "name"
values = ["consul-ubuntu-*"]
}
}
# ---------------------------------------------------------------------------------------------------------------------
# Deploy consul cluster
# ---------------------------------------------------------------------------------------------------------------------
module "consul" {
source = "hashicorp/consul/aws"
version = "0.7.9"
depends_on = [module.vpc.vpc_id]
ami_id = var.consul_ami_id
ssh_key_name = module.keys.key_name
vpc_id = module.vpc.vpc_id
cluster_name = var.cluster_name
num_clients = var.num_clients
num_servers = var.num_servers
}
# ---------------------------------------------------------------------------------------------------------------------
# This script will configure and start Consul agents
# ---------------------------------------------------------------------------------------------------------------------
data "template_file" "user_data_server" {
template = file("${path.module}/user-data-server.sh")
vars = {
cluster_tag_key = var.cluster_tag_key
cluster_tag_value = var.cluster_name
}
}
data "template_file" "user_data_client" {
template = file("${path.module}/user-data-client.sh")
vars = {
cluster_tag_key = var.cluster_tag_key
cluster_tag_value = var.cluster_name
}
}
#
# Set up ALB for test-servers to talk to consul clients
#
module "alb" {
source = "terraform-aws-modules/alb/aws"
version = "~> 5.0"
name = "${var.cluster_name}-${local.random_name}-alb"
load_balancer_type = "application"
vpc_id = module.vpc.vpc_id
subnets = module.vpc.public_subnets
security_groups = [module.consul.security_group_id_clients]
internal = true
target_groups = [
{
#name_prefix has a six char limit
name_prefix = "test-"
backend_protocol = "HTTP"
backend_port = 8500
target_type = "instance"
}
]
http_tcp_listeners = [
{
port = 8500
protocol = "HTTP"
target_group_index = 0
}
]
}
# Attach ALB to Consul clients
resource "aws_autoscaling_attachment" "asg_attachment_bar" {
autoscaling_group_name = module.consul.asg_name_clients
alb_target_group_arn = module.alb.target_group_arns[0]
}