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Wildcard certs with Let's Encrypt in Zone.ee VPS using ZoneID API

About

Wildcard cert update hooks for certbot-auto DNS authorization in Zone.ee VPS.

Some backstory: https://www.wizewarez.eu/2018/10/wildcard-certs-with-lets-encrypt-in-zoneee-linux-vps-using-zone-id-rest-api

ZoneID API reference: https://api.zone.eu/v2

Requirements

jq (for parsing JSON responses from ZoneID API): https://stedolan.github.io/jq/

Setup

Upload these 3 files to your server.

When adding a new domain with certbot-auto, set --manual-auth-hook and --manual-cleanup-hook values as follows

  • --manual-auth-hook=/path/to/letsencrypt_add_dns.sh
  • --manual-cleanup-hook=/path/to/letsencrypt_remove_dns.sh

Set ZoneID API authentication env vars: ZONE_API_USER and ZONE_API_KEY. These will be used for adding/removing DNS entries.

How it works

letsencrypt_add_dns.sh

A new DNS entry is added using ZoneID API. Once the DNS entry is added, script checks Google DNS servers(8.8.8.8) for DNS record propagation using dig command.

letsencrypt_remove_dns

Removes DNS entry using ZoneID API.

check_env.sh

Used by both previous scripts to check that all required environment variables are present.