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refactor(dns): unify Cloudflare + Hetzner handling across roles

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- replaced CERTBOT_DNS_API_TOKEN with CLOUDFLARE_API_TOKEN everywhere
- introduced generic sys-dns-cloudflare-records role for managing DNS records
- added sys-dns-hetzner-rdns role with both Cloud (hcloud) and Robot API flavors
- updated Mailu role to:
  - generate DKIM before DNS setup
  - delegate DNS + rDNS records to the new generic roles
- removed legacy per-role Cloudflare vars (MAILU_CLOUDFLARE_API_TOKEN)
- extended group vars with HOSTING_PROVIDER for rDNS flavor decision
- added hetzner.hcloud collection to requirements

This consolidates DNS management into reusable roles,
supports both Cloudflare and Hetzner providers,
and standardizes variable naming across the project.
This commit is contained in:
Kevin Veen-Birkenbach
2025-08-16 21:43:01 +02:00
parent 838a55ea94
commit 2620ee088e
28 changed files with 437 additions and 159 deletions
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33
roles/web-app-mailu/tasks/05_dns-records.yml Normal file
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- name: "DNS (Cloudflare) for Mailu"
include_role:
name: sys-dns-cloudflare-records
when: DNS_PROVIDER | lower == 'cloudflare'
vars:
cloudflare_async_enabled: "{{ ASYNC_ENABLED | default(false) | bool }}"
cloudflare_async_time: "{{ ASYNC_TIME | default(45) }}"
cloudflare_async_poll: "{{ ASYNC_POLL | default(5) }}"
cloudflare_no_log: "{{ MASK_CREDENTIALS_IN_LOGS | default(true) | bool }}"
cloudflare_records:
- { type: A, zone: "{{ MAILU_HOSTNAME_DNS_ZONE }}", name: "{{ MAILU_HOSTNAME }}", content: "{{ MAILU_IP4_PUBLIC }}", proxied: false }
# - { type: AAAA, zone: "{{ MAILU_HOSTNAME_DNS_ZONE }}", name: "{{ MAILU_HOSTNAME }}", content: "{{ MAILU_IP6_PUBLIC }}", proxied: false }
- { type: CNAME, zone: "{{ MAILU_DOMAIN_DNS_ZONE }}", name: "autoconfig.{{ MAILU_DOMAIN_DNS_ZONE }}", value: "{{ MAILU_HOSTNAME }}" }
- { type: MX, zone: "{{ MAILU_DOMAIN_DNS_ZONE }}", name: "{{ MAILU_DOMAIN }}", value: "{{ MAILU_HOSTNAME }}", priority: 10 }
- { type: TXT, zone: "{{ MAILU_DOMAIN_DNS_ZONE }}", name: "{{ MAILU_DOMAIN }}", value: "v=spf1 mx a:{{ MAILU_HOSTNAME }} ~all" }
- { type: TXT, zone: "{{ MAILU_DOMAIN_DNS_ZONE }}", name: "_dmarc.{{ MAILU_DOMAIN_DNS_ZONE }}", value: "v=DMARC1; p=reject; ruf=mailto:{{ MAILU_DMARC_RUF }}; adkim=s; aspf=s" }
- { type: TXT, zone: "{{ MAILU_DOMAIN_DNS_ZONE }}", name: "dkim._domainkey.{{ MAILU_DOMAIN_DNS_ZONE }}", value: "{{ mailu_dkim_public_key }}" }
- { type: SRV, zone: "{{ MAILU_DOMAIN_DNS_ZONE }}", service: "_submission", proto: "_tcp", name: "{{ MAILU_DOMAIN }}", priority: 20, weight: 1, port: 587, value: "{{ MAILU_HOSTNAME }}" }
- { type: SRV, zone: "{{ MAILU_DOMAIN_DNS_ZONE }}", service: "_submissions", proto: "_tcp", name: "{{ MAILU_DOMAIN }}", priority: 20, weight: 1, port: 465, value: "{{ MAILU_HOSTNAME }}" }
- { type: SRV, zone: "{{ MAILU_DOMAIN_DNS_ZONE }}", service: "_imaps", proto: "_tcp", name: "{{ MAILU_DOMAIN }}", priority: 20, weight: 1, port: 993, value: "{{ MAILU_HOSTNAME }}" }
- { type: SRV, zone: "{{ MAILU_DOMAIN_DNS_ZONE }}", service: "_imap", proto: "_tcp", name: "{{ MAILU_DOMAIN }}", priority: 20, weight: 1, port: 143, value: "{{ MAILU_HOSTNAME }}" }
- { type: SRV, zone: "{{ MAILU_DOMAIN_DNS_ZONE }}", service: "_pop3s", proto: "_tcp", name: "{{ MAILU_DOMAIN }}", priority: 20, weight: 1, port: 995, value: "{{ MAILU_HOSTNAME }}" }
- { type: SRV, zone: "{{ MAILU_DOMAIN_DNS_ZONE }}", service: "_pop3", proto: "_tcp", name: "{{ MAILU_DOMAIN }}", priority: 20, weight: 1, port: 110, value: "{{ MAILU_HOSTNAME }}" }
- { type: SRV, zone: "{{ MAILU_DOMAIN_DNS_ZONE }}", service: "_autodiscover", proto: "_tcp", name: "{{ MAILU_DOMAIN }}", priority: 20, weight: 1, port: 443, value: "{{ MAILU_HOSTNAME }}" }
- name: "rDNS (Hetzner Cloud) for Mailu"
include_role:
name: sys-dns-hetzner-rdns
when: HOSTING_PROVIDER | lower == 'hetzner'
vars:
rdns_records:
- { resource: "server", ip_address: "{{ MAILU_IP4_PUBLIC }}", dns_ptr: "{{ MAILU_HOSTNAME }}" }
# - { resource: "server", ip_address: "{{ MAILU_IP6_PUBLIC | default('') }}", dns_ptr: "{{ MAILU_HOSTNAME }}" }