README.md

Module Objective

This module abstract the creation of an Application Load Balancer, Target Groups, Listeners and Security Groups.

Ideally, someone who would use the target_group_arn output from this module to attach to an Autoscalling Group using aws_autoscalling_attachment resource and passing the autoscalling_group_name. Please refer for the example below:

resource "aws_autoscaling_attachment" "this" {
    autoscaling_group_name = aws_autoscaling_group.devops.id
    alb_target_group_arn = module.load_balancer.target_group_arn
}

This module doens't created the ASG.

The port which the Load Balancer will listen to request can be modified with the input variable https_enabled. The default value is true (https enabled), but for testing purposes, it can be disabled.

Required Inputs

The following input variables are required:

lb_subnets

Description: the list of subnets / availability zones for the load balancer

Type: list(string)

vpc_id

Description: the vpc id for the load balancer

Type: string

Optional Inputs

The following input variables are optional (have default values):

https_enabled

Description: enable/disable https (port 443) in the load balancer's security group

Type: bool

Default: true

project

Description: the project name to add as preffix for some resources

Type: string

Default: "devops-wordpress"

Outputs

The following outputs are exported:

load_balancer

Description: the details of the load balancer created { arn, arn_suffix, dns_name, zone_id }

target_group_arn

Description: the target group arn linked of the load balancer's listener