Terraform AWS VPC

This script builds an AWS VPC meant for use by an EKS cluster (to be built by a downstream repo/module).

This module is currently consumed by the api-cloud-infrastructure repo.

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Requirements

Name	Version
terraform	~> 1.0
aws	>= 3.54.0, < 4.0.0

Providers

Name	Version
random	3.1.0

Modules

Name	Source	Version
aws-vpc	./aws-vpc	n/a

Resources

Name	Type
random_id.vpc_random_suffix	resource

Inputs

Name	Description	Type	Default	Required
azs	az's (Availability Zones): Where, geographically to allocate the subnets, referenced using AWS's AZ codes - ie. ap-southeast-1a = Singapore AZ 'A'	list(string)	n/a	yes
cidr	The CIDR allocation for the VPC. Largest is /16, smallest is /28. We use /16 to supply 8 x /19 subnets (6 active, 2 reserved for future expansion)	string	n/a	yes
enable_flow_log	Enable VPC flow logs	bool	n/a	yes
flow_log_cloudwatch_log_group_retention_in_days	The VPC flow log retention period in days	number	n/a	yes
name	Name allocated to the VPC. Used as the VPC name and as a prefix to other items, for example subnets	string	n/a	yes
private_subnets	A list of strings specifying the private subnet cidr Ranges. For example - ['10.250.128.0/19', '10.250.160.0/19', '10.250.192.0/19']	list(string)	n/a	yes
public_subnets	A list of strings specifying the public subnet cidr Ranges. For example - ['10.250.0.0/19', '10.250.32.0/19', '10.250.64.0/19']	list(string)	n/a	yes

Outputs

Name	Description
private_route_table_ids	List of IDs of private route tables.
private_subnets	List of private subnet IDs returned from terraform-aws-vpc module (aws_subnet.private.*.id)
public_route_table_ids	List of IDs of public route tables.
public_subnets	List of public subnet IDs, returned from terraform-aws-vpc module (aws_subnet.public.*.id)
vpc_id	AWS identifier for the VPC provisioned by this module