create acme role

tasks/acme_challenge.yml

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+- name: Create {{ domain_name }} certificates directory
+  file:
+    path: "{{ acme_certs_dir }}/{{ domain_name }}.d"
+    state: directory
+    owner: root
+    group: "{{ acme_ssl_group }}"
+    mode: "755"
+  tags: acme_install
+
+- name: Generate Let's Encrypt account key
+  openssl_privatekey:
+    path: "{{ acme_accounts_dir }}/{{ acme_account_key }}"
+    owner: root
+    group: root
+    mode: "600"
+    type: RSA
+    size: 4096
+  tags: acme_account
+
+- name: Generate Let's Encrypt private key for {{ domain_name }}
+  openssl_privatekey:
+    path: "{{ acme_keys_dir }}/{{ domain_name }}.pem"
+    owner: root
+    group: "{{ acme_ssl_group }}"
+    mode: "640"
+    type: RSA
+    size: 4096
+
+- name: Generate Let's Encrypt CSR for {{ domain_name }}
+  openssl_csr:
+    path: "{{ acme_csr_dir }}/{{ domain_name }}.csr"
+    owner: root
+    group: "{{ acme_ssl_group }}"
+    mode: "644"
+    privatekey_path: "{{ acme_keys_dir }}/{{ domain_name }}.pem"
+    common_name: "{{ domain_name }}"
+
+- name: Begin Let's Encrypt challenges for {{ domain_name }}
+  acme_certificate:
+    acme_directory: "{{ acme_directory }}"
+    acme_version: "{{ acme_version }}"
+    account_key_src: "{{ acme_accounts_dir }}/{{ acme_account_key }}"
+    account_email: "{{ acme_email }}"
+    terms_agreed: yes
+    challenge: http-01
+    csr: "{{ acme_csr_dir }}/{{ domain_name }}.csr"
+    dest: "{{ acme_certs_dir }}/{{ domain_name }}.d/cert.pem"
+    fullchain_dest: "{{ acme_certs_dir }}/{{ domain_name }}.d/fullchain.pem"
+    remaining_days: 30
+  register: _acme_challenge
+
+- name: Implement and complete Let's Encrypt challenge for {{ domain_name }}
+  when: _acme_challenge is changed
+  block:
+  - name: Implement http-01 challenge files for {{ domain_name }}
+    copy:
+      content: "{{ _acme_challenge.challenge_data[domain_name]['http-01'].resource_value }}"
+      dest: "{{ acme_challenge_dir }}/{{ _acme_challenge.challenge_data[domain_name]['http-01'].resource }}"
+      owner: root
+      group: root
+      mode: "644"
+  
+  - name: Complete Let's Encrypt challenges for {{ domain_name }}
+    acme_certificate:
+      acme_directory: "{{ acme_directory }}"
+      acme_version: "{{ acme_version }}"
+      account_key_src: "{{ acme_accounts_dir }}/{{ acme_account_key }}"
+      account_email: "{{ acme_email }}"
+      challenge: http-01
+      csr: "{{ acme_csr_dir }}/{{ domain_name }}.csr"
+      dest: "{{ acme_certs_dir }}/{{ domain_name }}.d/cert.pem"
+      chain_dest: "{{ acme_certs_dir }}/{{ domain_name }}.d/chain.pem"
+      fullchain_dest: "{{ acme_certs_dir }}/{{ domain_name }}.d/fullchain.pem"
+      data: "{{ _acme_challenge }}"

tasks/main.yml

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+- name: Install ACME dependencies
+  apt:
+    name: python3-acme
+    state: present
+  tags: acme_install
+
+- name: Create Let's Encrypt config directories
+  file:
+    path: "{{ config_dir }}"
+    state: directory
+    owner: root
+    group: "{{ acme_ssl_group }}"
+    mode: "711"
+  loop:
+  - "{{ acme_config_dir }}"
+  - "{{ acme_keys_dir }}"
+  - "{{ acme_accounts_dir }}"
+  - "{{ acme_csr_dir }}"
+  loop_control:
+    loop_var: config_dir
+  tags: acme_install
+
+- name: Create challenge directory
+  file:
+    path: "{{ acme_challenge_dir }}/.well-known/acme-challenge"
+    state: directory
+    owner: root
+    group: root
+    mode: "755"
+  tags: acme_install
+
+- name: Perform ACME challenge for each domain
+  include_tasks:
+    file: acme_challenge.yml
+    apply:
+      tags: acme_challenge
+  loop: "{{ acme_domains | unique }}"
+  loop_control:
+    loop_var: domain_name
+  tags: acme_challenge
+
+- name: Create directory for certificate renewal tool
+  file:
+    path: /opt/acme
+    owner: root
+    group: root
+    mode: "755"
+    state: directory
+  tags: acme_renew
+
+- name: Copy script to renew ACME certificates
+  copy:
+    src: acme_renew_cert.py
+    dest: /opt/acme/acme_renew_cert.py
+    owner: root
+    group: root
+    mode: "755"
+  tags: acme_renew
+  
+- name: Setup cron job for ACME certificates renewal of {{ domain_name }}
+  cron:
+    name: acme renew {{ domain_name }} cert
+    job: >-
+      bash -c 'sleep $((RANDOM \% 3600))' && /opt/acme/acme_renew_cert.py {{ domain_name }} -q
+      -a {{ (acme_accounts_dir + '/' + acme_account_key) | quote }}
+      -p {{ acme_keys_dir | quote }}/{domain}.pem
+      -r {{ acme_csr_dir | quote }}/{domain}.csr
+      -o {{ acme_certs_dir | quote }}/{domain}.d
+      -c {{ acme_challenge_dir | quote }}/.well-known/acme-challenge
+    minute: "30"
+    hour: "2"
+    state: present
+  loop: "{{ acme_domains | unique }}"
+  loop_control:
+    loop_var: domain_name
+  tags: acme_renew