Route53 module for Caddy

This package contains a DNS provider module for Caddy. It can be used to manage DNS records in Route53 Hosted zones.

Caddy module name

dns.providers.route53

Authenticating

See the associated README in the libdns package for important information about credentials and an IAM policy example.

Building

To compile this Caddy module, follow the steps describe at the Caddy Build from Source instructions and import the github.com/caddy-dns/route53 plugin

Config examples

This module supports all the credential configuration methods described in the AWS Developer Guide, such as Environment Variables, Shared configuration files, the AWS Credentials file located in .aws/credentials, and Static Credentials. You may also pass in static credentials directly (or via caddy's configuration).

To use this module for the ACME DNS challenge, configure the ACME issuer in your Caddy JSON like so:

{
  "module": "acme",
  "challenges": {
    "dns": {
      "provider": {
        "name": "route53",
        "max_retries": 10, // optional
        "profile": "real-profile", // defaults to $AWS_PROFILE
        "region": "us-east-1", // required if $AWS_REGION is not defined
        "access_key_id": "AKI...", // required if $AWS_ACCESS_KEY_ID is not defined
        "secret_access_key": "wJa...", // required if $AWS_SECRET_ACCESS_KEY is not defined
        "session_token": "TOKEN...", // defaults to $AWS_SESSION_TOKEN (optional)
        "max_wait_dur": 60, // propagation wait duration in seconds (optional)
        "wait_for_propagation": false, // wait for records to propagate (optional)
        "hosted_zone_id": "ZABCD1EFGHIL" // AWS hosted zone ID to update (optional)
      }
    }
  }
}

or with the Caddyfile:

tls {
  dns route53 {
    max_retries 10 // optional
    profile "real-profile" // defaults to $AWS_PROFILE
    access_key_id "AKI..." // required if $AWS_ACCESS_KEY_ID is not defined
    secret_access_key "wJa..." // required if $AWS_SECRET_ACCESS_KEY is not defined
    session_token "TOKEN..." // defaults to $AWS_SESSION_TOKEN (optional)
    region "us-east-1" // required if $AWS_REGION is not defined
    max_wait_dur 60, // propagation wait duration in seconds (optional)
    wait_for_propagation false // wait for records to propagate (optional)
    hosted_zone_id ZABCD1EFGHIL // AWS hosted zone ID to update (optional)
  }
}

The following IAM policy is a minimal working example to give libdns permissions to manage DNS records:

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "",
      "Effect": "Allow",
      "Action": [
        "route53:ListResourceRecordSets",
        "route53:GetChange",
        "route53:ChangeResourceRecordSets"
      ],
      "Resource": [
        "arn:aws:route53:::hostedzone/ZABCD1EFGHIL",
        "arn:aws:route53:::change/*"
      ]
    },
    {
      "Sid": "",
      "Effect": "Allow",
      "Action": ["route53:ListHostedZonesByName", "route53:ListHostedZones"],
      "Resource": "*"
    }
  ]
}

For more information, refer to libdns/route53.

License

datarotonde/caddy-dnsroute53

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