IaC/ansible/roles/acme_certificate/tasks/main.yaml

---

- name: Create ACME account directory
  ansible.builtin.file:
    group: root
    mode: '0700'
    owner: root
    path: /etc/ssl/private/ACME
    state: directory

- name: Create ACME account key
  community.crypto.openssl_privatekey:
    cipher: auto
    curve: secp384r1
    format: pkcs1
    group: root
    mode: '0600'
    owner: root
    passphrase: "{{ acme_certificate_account_key_passphrase }}"
    path: /etc/ssl/private/ACME/account.key
    size: 384
    state: present
    type: Ed25519

- name: Generate RSA private key
  community.crypto.openssl_privatekey:
    cipher: auto
    curve: secp384r1
    format: pkcs1
    group: root
    mode: '0600'
    owner: root
    passphrase: "{{ ssl_passphrase }}"
    path: "/etc/ssl/private/{{ acme_certificate_subject }}.key"
    size: 4096
    state: present
    type: RSA

- name: Generate CSR
  community.crypto.openssl_csr:
    common_name: "{{ acme_certificate_subject }}"
    country_name: "{{ acme_certificate_csr_country }}"
    digest: sha256
    email_address: "{{ acme_certificate_csr_email }}"
    group: root
    locality_name: "{{ acme_certificate_csr_locality }}"
    mode: '0600'
    organization_name: "{{ acme_certificate_csr_organization }}"
    owner: root
    path: "/etc/ssl/private/{{ acme_certificate_subject }}.csr"
    privatekey_path: "/etc/ssl/private/{{ acme_certificate_subject }}.key"
    state: present
    state_or_province_name: "{{ acme_certificate_csr_state }}"
    use_common_name_for_san: true

- name: Submit ACME certificate request
  community.crypto.acme_certificate:
    account_email: "{{ acme_certificate_account_email }}"
    account_key_passphrase: "{{ acme_certificate_account_key_passphrase }}"
    account_key_src: /etc/ssl/private/ACME/account.key
    acme_directory: "{{ acme_certificate_directory }}"
    acme_version: 2
    chain_dest: "/etc/ssl/private/{{ acme_certificate_subject }}.chain"
    challenge: dns-01
    csr: "/etc/ssl/private/{{ acme_certificate_subject }}.csr"
    dest: "/etc/ssl/private/{{ acme_certificate_subject }}.crt"
    modify_account: true
    select_crypto_backend: cryptography
    terms_agreed: true
    validate_certs: true
  register: challenge

- name: Debug ACME certificate challenge
  ansible.builtin.debug:
    var: challenge

- name: Proceed if challenge is changed
  when:
    - challenge is changed
    - acme_certificate_subject in challenge.challenge_data
  block:

    - name: Answer ACME certificate challenge
      community.general.nsupdate:
        key_algorithm: "{{ rfc2136_key_algorithm }}"
        key_name: "{{ rfc2136_key_name }}"
        key_secret: "{{ rfc2136_key_secret }}"
        port: 53
        protocol: tcp
        record: "{{ challenge.challenge_data[acme_certificate_subject]['dns-01'].record }}"
        server: "{{ rfc2136_server_address }}"
        state: present
        ttl: 3600
        type: TXT
        value: "{{ challenge.challenge_data[acme_certificate_subject]['dns-01'].resource_value }}"
        zone: "{{ acme_certificate_zone }}"

    - name: Retrieve ACME certificate
      community.crypto.acme_certificate:
        account_email: "{{ acme_certificate_account_email }}"
        account_key_passphrase: "{{ acme_certificate_account_key_passphrase }}"
        account_key_src: /etc/ssl/private/ACME/account.key
        acme_directory: "{{ acme_certificate_directory }}"
        acme_version: 2
        chain_dest: "/etc/ssl/private/{{ acme_certificate_subject }}.chain"
        challenge: dns-01
        csr: "/etc/ssl/private/{{ acme_certificate_subject }}.csr"
        data: "{{ challenge }}"
        dest: "/etc/ssl/private/{{ acme_certificate_subject }}.crt"
        modify_account: true
        select_crypto_backend: cryptography
        terms_agreed: true
        validate_certs: true

    - name: Cleanup ACME challenge
      community.general.nsupdate:
        key_algorithm: "{{ rfc2136_key_algorithm }}"
        key_name: "{{ rfc2136_key_name }}"
        key_secret: "{{ rfc2136_key_secret }}"
        port: 53
        protocol: tcp
        record: "{{ challenge.challenge_data[acme_certificate_subject]['dns-01'].record }}"
        server: "{{ rfc2136_server_address }}"
        state: absent
        ttl: 3600
        type: TXT
        value: "{{ challenge.challenge_data[acme_certificate_subject]['dns-01'].resource_value }}"
        zone: "{{ acme_certificate_zone }}"