Renamed server roles by osi they work on

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2025-07-10 12:33:46 +02:00
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# Nginx HTTPS Certificate Retrieval
## 🔥 Description
This role automates the retrieval of [Let's Encrypt](https://letsencrypt.org/) SSL/TLS certificates using [Certbot](https://certbot.eff.org/) for domains served via Nginx. It supports both single-domain and wildcard certificates, and can use either the DNS or webroot ACME challenge methods.
## 📖 Overview
Designed for Archlinux systems, this role handles issuing certificates per domain and optionally cleans up redundant certificates if wildcard certificates are used. It intelligently decides whether to issue a standard or wildcard certificate based on the domain structure and your configuration.
### Key Features
- **Single Domain and Wildcard Support:** Handles both individual domains and wildcard domains (`*.example.com`).
- **DNS and Webroot Challenges:** Dynamically selects the correct ACME challenge method.
- **Certificate Renewal Logic:** Skips renewal if the certificate is still valid.
- **Optional Cleanup:** Deletes redundant domain certificates when wildcard certificates are used.
- **Non-Interactive Operation:** Fully automated using `--non-interactive` and `--agree-tos`.
## 🎯 Purpose
The Nginx HTTPS Certificate Retrieval role ensures that your Nginx-served domains have valid, automatically issued SSL/TLS certificates, improving web security without manual intervention.
## 🚀 Features
- **ACME Challenge Selection:** Supports DNS plugins or webroot method automatically.
- **Wildcard Certificate Management:** Issues wildcard certificates when configured, saving effort for subdomain-heavy deployments.
- **Safe Cleanup:** Ensures that no unused certificates are left behind.
- **Flexible Control:** Supports `mode_test` for staging environment testing and `mode_cleanup` for cert cleanup operations.
## 🔗 Learn More
- [Certbot Official Website](https://certbot.eff.org/)
- [Let's Encrypt](https://letsencrypt.org/)
- [Wildcard Certificates (Wikipedia)](https://en.wikipedia.org/wiki/Wildcard_certificate)
- [HTTPS (Wikipedia)](https://en.wikipedia.org/wiki/HTTPS)
- [ACME Protocol (Wikipedia)](https://en.wikipedia.org/wiki/Automated_Certificate_Management_Environment)

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---
galaxy_info:
author: "Kevin Veen-Birkenbach"
description: |
Automates the retrieval of Let's Encrypt SSL/TLS certificates for Nginx domains using Certbot, supporting both single-domain and wildcard certificates with DNS and webroot ACME challenges.
license: "CyMaIS NonCommercial License (CNCL)"
license_url: "https://s.veen.world/cncl"
company: |
Kevin Veen-Birkenbach
Consulting & Coaching Solutions
https://www.veen.world
min_ansible_version: "2.9"
platforms:
- name: Archlinux
versions:
- rolling
galaxy_tags:
- nginx
- certbot
- letsencrypt
- ssl
- tls
- acme
- https
- wildcard
- automation
repository: "https://s.veen.world/cymais"
issue_tracker_url: "https://s.veen.world/cymaisissues"
documentation: "https://s.veen.world/cymais"
dependencies:
- srv-web-7-6-https

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- name: "Check if certificate already exists for {{ domain }}"
cert_check_exists:
domain: "{{ domain }}"
cert_base_path: "{{ certbot_cert_path }}"
register: cert_check
- name: "receive certificate for {{ domain }}"
command: >-
certbot certonly
--agree-tos
--email {{ users.administrator.email }}
--non-interactive
{% if certbot_acme_challenge_method != "webroot" %}
--dns-{{ certbot_acme_challenge_method }}
--dns-{{ certbot_acme_challenge_method }}-credentials {{ certbot_credentials_file }}
--dns-{{ certbot_acme_challenge_method }}-propagation-seconds {{ certbot_dns_propagation_wait_seconds }}
{% else %}
--webroot
-w {{ certbot_webroot_path }}
{% endif %}
{% if wildcard_domain is defined and ( wildcard_domain | bool ) %}
-d {{ primary_domain }}
-d *.{{ primary_domain }}
{% else %}
-d {{ domain }}
{% endif %}
{{ '--test-cert' if mode_test | bool else '' }}
register: certbot_result
changed_when: "'Certificate not yet due for renewal' not in certbot_result.stdout"
when: not cert_check.exists

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- name: Install certbundle
include_role:
name: pkgmgr-install
vars:
package_name: certbundle
when: run_once_san_certs is not defined
- name: Generate SAN certificate with certbundle
command: >-
certbundle
--domains "{{ current_play_domains_all | join(',') }}"
--certbot-email "{{ users.administrator.email }}"
--certbot-acme-challenge-method "{{ certbot_acme_challenge_method }}"
--chunk-size 100
{% if certbot_acme_challenge_method != 'webroot' %}
--certbot-credentials-file "{{ certbot_credentials_file }}"
--certbot-dns-propagation-seconds "{{ certbot_dns_propagation_wait_seconds }}"
{% else %}
--certbot-webroot-path "{{ certbot_webroot_path }}"
{% endif %}
{{ '--mode-test' if mode_test | bool else '' }}
register: certbundle_result
changed_when: "'Certificate not yet due for renewal' not in certbundle_result.stdout"
failed_when: >
certbundle_result.rc != 0
and 'too many certificates' not in certbundle_result.stderr
when: run_once_san_certs is not defined
- name: run the san tasks once
set_fact:
run_once_san_certs: true
when: run_once_san_certs is not defined

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- name: "Load wildcard certificate for domain"
include_tasks: "dedicated.yml"
vars:
wildcard_domain: true
when:
- domain.split('.') | length == (primary_domain.split('.') | length + 1) and domain.endswith(primary_domain)
- run_once_receive_certificate is not defined
- name: "Load dedicated certificate for domain"
include_tasks: "dedicated.yml"
vars:
wildcard_domain: false
when:
- not (domain.split('.') | length == (primary_domain.split('.') | length + 1) and domain.endswith(primary_domain))
- name: run the receive_certificate tasks once
set_fact:
run_once_receive_certificate: true
when: run_once_receive_certificate is not defined

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- name: "Include flavor"
include_tasks: "{{ role_path }}/tasks/flavors/{{ certbot_flavor }}.yml"
#- name: "Cleanup dedicated cert for {{ domain }}"
# command: >-
# certbot delete --cert-name {{ domain }} --non-interactive
# when:
# - mode_cleanup | bool
# # Cleanup mode is enabled
# - certbot_flavor != 'dedicated'
# # Wildcard certificate is enabled
# - domain.split('.') | length == (primary_domain.split('.') | length + 1) and domain.endswith(primary_domain)
# # AND: The domain is a direct first-level subdomain of the primary domain
# - domain != primary_domain
# # The domain is not the primary domain
# register: certbot_result
# failed_when: certbot_result.rc != 0 and ("No certificate found with name" not in certbot_result.stderr)
# changed_when: certbot_result.rc == 0 and ("No certificate found with name" not in certbot_result.stderr)
- name: Find SSL cert folder for domain
cert_folder_find:
domain: "{{ domain }}"
cert_base_path: "{{ certbot_cert_path }}"
debug: "{{ enable_debug | default(false) }}"
register: cert_folder_result
delegate_to: "{{ inventory_hostname }}"
changed_when: false
- name: Set fact
set_fact:
ssl_cert_folder: "{{ cert_folder_result.folder }}"
changed_when: false
- name: Ensure ssl_cert_folder is set
fail:
msg: "No certificate folder found for domain {{ domain }}"
when: ssl_cert_folder is undefined or ssl_cert_folder is none