Terraform module that implements "vanity" host names (e.g. brand.com) as ALIAS records to another Route53 DNS resource record (e.g. ELB/ALB, S3 Bucket Endpoint or CloudFront Distribution).
Unlike CNAME records, the synthetic ALIAS record works with zone apexes.
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!
Security scanning is graciously provided by Bridgecrew. Bridgecrew is the leading fully hosted, cloud-native solution providing continuous Terraform security and compliance.
| Benchmark | Description |
|---|---|
| Infrastructure Security Compliance | |
| Center for Internet Security, KUBERNETES Compliance | |
| Center for Internet Security, AWS Compliance | |
| Center for Internet Security, AZURE Compliance | |
| Payment Card Industry Data Security Standards Compliance | |
| National Institute of Standards and Technology Compliance | |
| Information Security Management System, ISO/IEC 27001 Compliance | |
| Service Organization Control 2 Compliance | |
| Center for Internet Security, GCP Compliance | |
| Health Insurance Portability and Accountability Compliance |
IMPORTANT: We do not pin modules to versions in our examples because of the difficulty of keeping the versions in the documentation in sync with the latest released versions. We highly recommend that in your code you pin the version to the exact version you are using so that your infrastructure remains stable, and update versions in a systematic way so that they do not catch you by surprise.
Also, because of a bug in the Terraform registry (hashicorp/terraform#21417), the registry shows many of our inputs as required when in fact they are optional. The table below correctly indicates which inputs are required.
This will define a A resource record for www.example.com as an alias of the aws_elb.example.dns_name.
module "production_www" {
source = "cloudposse/route53-alias/aws"
# Cloud Posse recommends pinning every module to a specific version
# version = "x.x.x"
aliases = ["www.example.com.", "static1.cdn.example.com.", "static2.cdn.example.com"]
parent_zone_id = var.parent_zone_id
target_dns_name = aws_elb.example.dns_name
target_zone_id = aws_elb.example.zone_id
}Available targets:
help Help screen
help/all Display help for all targets
help/short This help short screen
lint Lint terraform code
| Name | Version |
|---|---|
| terraform | >= 0.13.0 |
| aws | >= 2.0 |
| local | >= 1.2 |
| Name | Version |
|---|---|
| aws | >= 2.0 |
| Name | Description | Type | Default | Required |
|---|---|---|---|---|
| additional_tag_map | Additional tags for appending to tags_as_list_of_maps. Not added to tags. |
map(string) |
{} |
no |
| aliases | List of aliases | list(string) |
n/a | yes |
| allow_overwrite | Allow creation of this record in Terraform to overwrite an existing record, if any. This does not affect the ability to update the record in Terraform and does not prevent other resources within Terraform or manual Route 53 changes outside Terraform from overwriting this record. false by default. This configuration is not recommended for most environments | bool |
false |
no |
| attributes | Additional attributes (e.g. 1) |
list(string) |
[] |
no |
| context | Single object for setting entire context at once. See description of individual variables for details. Leave string and numeric variables as null to use default value.Individual variable settings (non-null) override settings in context object, except for attributes, tags, and additional_tag_map, which are merged. |
any |
{ |
no |
| delimiter | Delimiter to be used between namespace, environment, stage, name and attributes.Defaults to - (hyphen). Set to "" to use no delimiter at all. |
string |
null |
no |
| enabled | Set to false to prevent the module from creating any resources | bool |
null |
no |
| environment | Environment, e.g. 'uw2', 'us-west-2', OR 'prod', 'staging', 'dev', 'UAT' | string |
null |
no |
| evaluate_target_health | Set to true if you want Route 53 to determine whether to respond to DNS queries | bool |
false |
no |
| id_length_limit | Limit id to this many characters (minimum 6).Set to 0 for unlimited length.Set to null for default, which is 0.Does not affect id_full. |
number |
null |
no |
| ipv6_enabled | Set to true to enable an AAAA DNS record to be set as well as the A record | bool |
false |
no |
| label_key_case | The letter case of label keys (tag names) (i.e. name, namespace, environment, stage, attributes) to use in tags.Possible values: lower, title, upper.Default value: title. |
string |
null |
no |
| label_order | The naming order of the id output and Name tag. Defaults to ["namespace", "environment", "stage", "name", "attributes"]. You can omit any of the 5 elements, but at least one must be present. |
list(string) |
null |
no |
| label_value_case | The letter case of output label values (also used in tags and id).Possible values: lower, title, upper and none (no transformation).Default value: lower. |
string |
null |
no |
| name | Solution name, e.g. 'app' or 'jenkins' | string |
null |
no |
| namespace | Namespace, which could be your organization name or abbreviation, e.g. 'eg' or 'cp' | string |
null |
no |
| parent_zone_id | ID of the hosted zone to contain this record (or specify parent_zone_name) |
string |
"" |
no |
| parent_zone_name | Name of the hosted zone to contain this record (or specify parent_zone_id) |
string |
"" |
no |
| private_zone | Is this a private hosted zone? | bool |
false |
no |
| regex_replace_chars | Regex to replace chars with empty string in namespace, environment, stage and name.If not set, "/[^a-zA-Z0-9-]/" is used to remove all characters other than hyphens, letters and digits. |
string |
null |
no |
| stage | Stage, e.g. 'prod', 'staging', 'dev', OR 'source', 'build', 'test', 'deploy', 'release' | string |
null |
no |
| tags | Additional tags (e.g. map('BusinessUnit','XYZ') |
map(string) |
{} |
no |
| target_dns_name | DNS name of target resource (e.g. ALB, ELB) | string |
n/a | yes |
| target_zone_id | ID of target resource (e.g. ALB, ELB) | string |
n/a | yes |
| Name | Description |
|---|---|
| hostnames | List of DNS records |
| parent_zone_id | ID of the hosted zone to contain the records |
| parent_zone_name | Name of the hosted zone to contain the records |
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Check out these related projects.
- terraform-aws-route53-cluster-hostname - Terraform module to define a consistent AWS Route53 hostname
- terraform-aws-route53-cluster-zone - Terraform Cluster Domain (e.g.
prod.ourcompany.com) - terraform-aws-kops-route53 - Terraform module to lookup the IAM role associated with
kopsmasters, and attach an IAM policy to the role with permissions to modify Route53 record sets
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