openssl_certificate – Generate and/or check OpenSSL certificates

• Synopsis
• Requirements
• Parameters
• Notes
• See Also
• Examples
• Return Values
• Status

Synopsis

• This module allows one to (re)generate OpenSSL certificates.
• It implements a notion of provider (ie. selfsigned, ownca, acme, assertonly) for your certificate.
• The assertonly provider is intended for use cases where one is only interested in checking properties of a supplied certificate.
• The ownca provider is intended for generating OpenSSL certificate signed with your own CA (Certificate Authority) certificate (self-signed certificate).
• Many properties that can be specified in this module are for validation of an existing or newly generated certificate. The proper place to specify them, if you want to receive a certificate with these properties is a CSR (Certificate Signing Request).
• Please note that the module regenerates existing certificate if it doesn’t match the module’s options, or if it seems to be corrupt. If you are concerned that this could overwrite your existing certificate, consider using the backup option.
• It uses the pyOpenSSL or cryptography python library to interact with OpenSSL.
• If both the cryptography and PyOpenSSL libraries are available (and meet the minimum version requirements) cryptography will be preferred as a backend over PyOpenSSL (unless the backend is forced with select_crypto_backend)

Requirements

The below requirements are needed on the host that executes this module.

• PyOpenSSL >= 0.15 or cryptography >= 1.6 (if using selfsigned or assertonly provider)
• acme-tiny (if using the acme provider)

Parameters

Notes

See Also

Examples

- name: Generate a Self Signed OpenSSL certificate
  openssl_certificate:
    path: /etc/ssl/crt/ansible.com.crt
    privatekey_path: /etc/ssl/private/ansible.com.pem
    csr_path: /etc/ssl/csr/ansible.com.csr
    provider: selfsigned

- name: Generate an OpenSSL certificate signed with your own CA certificate
  openssl_certificate:
    path: /etc/ssl/crt/ansible.com.crt
    csr_path: /etc/ssl/csr/ansible.com.csr
    ownca_path: /etc/ssl/crt/ansible_CA.crt
    ownca_privatekey_path: /etc/ssl/private/ansible_CA.pem
    provider: ownca

- name: Generate a Let's Encrypt Certificate
  openssl_certificate:
    path: /etc/ssl/crt/ansible.com.crt
    csr_path: /etc/ssl/csr/ansible.com.csr
    provider: acme
    acme_accountkey_path: /etc/ssl/private/ansible.com.pem
    acme_challenge_path: /etc/ssl/challenges/ansible.com/

- name: Force (re-)generate a new Let's Encrypt Certificate
  openssl_certificate:
    path: /etc/ssl/crt/ansible.com.crt
    csr_path: /etc/ssl/csr/ansible.com.csr
    provider: acme
    acme_accountkey_path: /etc/ssl/private/ansible.com.pem
    acme_challenge_path: /etc/ssl/challenges/ansible.com/
    force: yes

# Examples for some checks one could use the assertonly provider for:

# How to use the assertonly provider to implement and trigger your own custom certificate generation workflow:
- name: Check if a certificate is currently still valid, ignoring failures
  openssl_certificate:
    path: /etc/ssl/crt/example.com.crt
    provider: assertonly
    has_expired: no
  ignore_errors: yes
  register: validity_check

- name: Run custom task(s) to get a new, valid certificate in case the initial check failed
  command: superspecialSSL recreate /etc/ssl/crt/example.com.crt
  when: validity_check.failed

- name: Check the new certificate again for validity with the same parameters, this time failing the play if it is still invalid
  openssl_certificate:
    path: /etc/ssl/crt/example.com.crt
    provider: assertonly
    has_expired: no
  when: validity_check.failed

# Some other checks that assertonly could be used for:
- name: Verify that an existing certificate was issued by the Let's Encrypt CA and is currently still valid
  openssl_certificate:
    path: /etc/ssl/crt/example.com.crt
    provider: assertonly
    issuer:
      O: Let's Encrypt
    has_expired: no

- name: Ensure that a certificate uses a modern signature algorithm (no SHA1, MD5 or DSA)
  openssl_certificate:
    path: /etc/ssl/crt/example.com.crt
    provider: assertonly
    signature_algorithms:
      - sha224WithRSAEncryption
      - sha256WithRSAEncryption
      - sha384WithRSAEncryption
      - sha512WithRSAEncryption
      - sha224WithECDSAEncryption
      - sha256WithECDSAEncryption
      - sha384WithECDSAEncryption
      - sha512WithECDSAEncryption

- name: Ensure that the existing certificate belongs to the specified private key
  openssl_certificate:
    path: /etc/ssl/crt/example.com.crt
    privatekey_path: /etc/ssl/private/example.com.pem
    provider: assertonly

- name: Ensure that the existing certificate is still valid at the winter solstice 2017
  openssl_certificate:
    path: /etc/ssl/crt/example.com.crt
    provider: assertonly
    valid_at: 20171221162800Z

- name: Ensure that the existing certificate is still valid 2 weeks (1209600 seconds) from now
  openssl_certificate:
    path: /etc/ssl/crt/example.com.crt
    provider: assertonly
    valid_in: 1209600

- name: Ensure that the existing certificate is only used for digital signatures and encrypting other keys
  openssl_certificate:
    path: /etc/ssl/crt/example.com.crt
    provider: assertonly
    key_usage:
      - digitalSignature
      - keyEncipherment
    key_usage_strict: true

- name: Ensure that the existing certificate can be used for client authentication
  openssl_certificate:
    path: /etc/ssl/crt/example.com.crt
    provider: assertonly
    extended_key_usage:
      - clientAuth

- name: Ensure that the existing certificate can only be used for client authentication and time stamping
  openssl_certificate:
    path: /etc/ssl/crt/example.com.crt
    provider: assertonly
    extended_key_usage:
      - clientAuth
      - 1.3.6.1.5.5.7.3.8
    extended_key_usage_strict: true

- name: Ensure that the existing certificate has a certain domain in its subjectAltName
  openssl_certificate:
    path: /etc/ssl/crt/example.com.crt
    provider: assertonly
    subject_alt_name:
      - www.example.com
      - test.example.com

Return Values

Common return values are documented here, the following are the fields unique to this module:

Status

• This module is not guaranteed to have a backwards compatible interface. [preview]
• This module is maintained by the Ansible Community. [community]

Authors

• Yanis Guenane (@Spredzy)
• Markus Teufelberger (@MarkusTeufelberger)