Ansible Role - Certbot (for Let's Encrypt)
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README.md

Ansible Role: Certbot (for Let's Encrypt)

Build Status

Installs Certbot (for Let's Encrypt) for RHEL/CentOS or Debian/Ubuntu.

Requirements

Certbot requires Git to be installed if one wants to install Certbot from Git repository instead of package management. You can install Git using the geerlingguy.git role.

Role Variables

certbot_from_git: no
certbot_repo: https://github.com/certbot/certbot.git
certbot_version: master
certbot_keep_updated: yes

Certbot Git repository options. This role clones the agent from the configured repo, then makes the certbot-auto script executable if certbot_from_git is yes. Otherwise it will be installed from distribution's package management.

certbot_dir: /opt/certbot

The directory inside which Certbot will be cloned when using Git.

certbot_auto_renew: true
certbot_auto_renew_user: "{{ ansible_user }}"
certbot_auto_renew_hour: 3
certbot_auto_renew_minute: 30

By default, this role configures a cron job to run under the provided user account at the given hour and minute, every day. The defaults run certbot renew (or certbot-auto renew) via cron every day at 03:30:00 by the user you use in your Ansible playbook. It's preferred that you set a custom user/hour/minute so the renewal is during a low-traffic period and done by a non-root user account.

Dependencies

None.

Example Playbook

- hosts: servers

  vars:
    certbot_auto_renew_user: your_username_here
    certbot_auto_renew_minute: 20
    certbot_auto_renew_hour: 5

  roles:
    - geerlingguy.certbot

After installation, you can create certificates using the certbot (or certbot-auto) script, which by default is installed inside the configured certbot_dir (when using Git). Here are some example commands to configure certificates with Certbot:

# Automatically add certs for all Apache virtualhosts (use with caution!).
/opt/certbot/certbot-auto --apache

# Generate certs, but don't modify Apache configuration (safer).
/opt/certbot/certbot-auto --apache certonly

By default, this role adds a cron job that will renew all installed certificates once per day at the hour and minute of your choosing.

You can test the auto-renewal (without actually renewing the cert) with the command:

/opt/certbot/certbot-auto renew --dry-run

See full documentation and options on the Certbot website.

License

MIT / BSD

Author Information

This role was created in 2016 by Jeff Geerling, author of Ansible for DevOps.