terraform-aws-alb

Terraform module to create an ALB, default ALB listener(s), and a default ALB target and related security groups.

This project is part of our comprehensive "SweetOps" approach towards DevOps.

It's 100% Open Source and licensed under the APACHE2.

We literally have hundreds of terraform modules that are Open Source and well-maintained. Check them out!

Usage

IMPORTANT: The master branch is used in source just as an example. In your code, do not pin to master because there may be breaking changes between releases. Instead pin to the release tag (e.g. ?ref=tags/x.y.z) of one of our latest releases.

Include this module in your existing terraform code:

module "alb" {
  source             = "git::https://github.com/cloudposse/terraform-aws-alb.git?ref=tags/0.2.0"
  namespace          = "eg"
  name               = "app"
  stage              = "dev"

  vpc_id             = "xxxxxxxxx"
  ip_address_type    = "ipv4"

  subnet_ids         = ["xxxxxxxx", "xxxxxxxx"]
  access_logs_region = "us-west-2"
}

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

Inputs

Name	Description	Type	Default	Required
access_logs_enabled	A boolean flag to enable/disable access_logs	string	`true`	no
access_logs_prefix	The S3 bucket prefix	string	``	no
access_logs_region	The region for the access_logs S3 bucket	string	`us-east-1`	no
alb_access_logs_s3_bucket_force_destroy	A boolean that indicates all objects should be deleted from the ALB access logs S3 bucket so that the bucket can be destroyed without error	string	`false`	no
attributes	Additional attributes, e.g. `1`	list	`<list>`	no
certificate_arn	The ARN of the default SSL certificate for HTTPS listener	string	``	no
cross_zone_load_balancing_enabled	A boolean flag to enable/disable cross zone load balancing	string	`true`	no
deletion_protection_enabled	A boolean flag to enable/disable deletion protection for ALB	string	`false`	no
delimiter	Delimiter to be used between `namespace`, `name`, `stage` and `attributes`	string	`-`	no
deregistration_delay	The amount of time to wait in seconds before changing the state of a deregistering target to unused	string	`15`	no
health_check_healthy_threshold	The number of consecutive health checks successes required before considering an unhealthy target healthy	string	`2`	no
health_check_interval	The duration in seconds in between health checks	string	`15`	no
health_check_matcher	The HTTP response codes to indicate a healthy check	string	`200-399`	no
health_check_path	The destination for the health check request	string	`/`	no
health_check_timeout	The amount of time to wait in seconds before failing a health check request	string	`10`	no
health_check_unhealthy_threshold	The number of consecutive health check failures required before considering the target unhealthy	string	`2`	no
http2_enabled	A boolean flag to enable/disable HTTP/2	string	`true`	no
http_enabled	A boolean flag to enable/disable HTTP listener	string	`true`	no
http_ingress_cidr_blocks	List of CIDR blocks to allow in HTTP security group	list	`<list>`	no
http_ingress_prefix_list_ids	List of prefix list IDs for allowing access to HTTP ingress security group	list	`<list>`	no
http_port	The port for the HTTP listener	string	`80`	no
https_enabled	A boolean flag to enable/disable HTTPS listener	string	`false`	no
https_ingress_cidr_blocks	List of CIDR blocks to allow in HTTPS security group	list	`<list>`	no
https_ingress_prefix_list_ids	List of prefix list IDs for allowing access to HTTPS ingress security group	list	`<list>`	no
https_port	The port for the HTTPS listener	string	`443`	no
https_ssl_policy	The name of the SSL Policy for the listener.	string	`ELBSecurityPolicy-2015-05`	no
idle_timeout	The time in seconds that the connection is allowed to be idle	string	`60`	no
internal	A boolean flag to determine whether the ALB should be internal	string	`false`	no
ip_address_type	The type of IP addresses used by the subnets for your load balancer. The possible values are `ipv4` and `dualstack`.	string	`ipv4`	no
name	Solution name, e.g. `app`	string	-	yes
namespace	Namespace, which could be your organization name, e.g. `cp` or `cloudposse`	string	-	yes
security_group_ids	A list of additional security group IDs to allow access to ALB	list	`<list>`	no
stage	Stage, e.g. `prod`, `staging`, `dev`, or `test`	string	-	yes
subnet_ids	A list of subnet IDs to associate with ALB	list	-	yes
tags	Additional tags (e.g. `map(`BusinessUnit`,`XYZ`)	map	`<map>`	no
target_group_additional_tags	The additional tags to apply to the target group	map	`<map>`	no
target_group_name	The name for the default target group, uses a module label name if left empty	string	``	no
target_group_port	The port for the default target group	string	`80`	no
target_group_target_type	The type (instance, ip or lambda) of targets that can be registered with the target group	string	`ip`	no
vpc_id	VPC ID to associate with ALB	string	-	yes

Outputs

Name	Description
access_logs_bucket_id	The S3 bucket ID for access logs
alb_arn	The ARN of the ALB
alb_arn_suffix	The ARN suffix of the ALB
alb_dns_name	DNS name of ALB
alb_name	The ARN suffix of the ALB
alb_zone_id	The ID of the zone which ALB is provisioned
default_target_group_arn	The default target group ARN
http_listener_arn	The ARN of the HTTP listener
https_listener_arn	The ARN of the HTTPS listener
listener_arns	A list of all the listener ARNs
security_group_id	The security group ID of the ALB

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Related Projects

Check out these related projects.

terraform-aws-alb-ingress - Terraform module to provision an HTTP style ingress rule based on hostname and path for an ALB

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Contributing

Bug Reports & Feature Requests

Please use the issue tracker to report any bugs or file feature requests.

Developing

If you are interested in being a contributor and want to get involved in developing this project or help out with our other projects, we would love to hear from you! Shoot us an email.

In general, PRs are welcome. We follow the typical "fork-and-pull" Git workflow.

Fork the repo on GitHub
Clone the project to your own machine
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Submit a Pull Request so that we can review your changes

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Copyright

License

See LICENSE for full details.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.

Trademarks

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About

This project is maintained and funded by Cloud Posse, LLC. Like it? Please let us know by leaving a testimonial!

We're a DevOps Professional Services company based in Los Angeles, CA. We ❤️ Open Source Software.

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Contributors

Erik Osterman	Igor Rodionov	Andriy Knysh	Sarkis Varozian

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