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"""
The `~certbot_dns_linode.dns_linode` plugin automates the process of
completing a ``dns-01`` challenge (`~acme.challenges.DNS01`) by creating, and
subsequently removing, TXT records using the Linode API.
Named Arguments
---------------
========================================== ===================================
``--dns-linode-credentials`` Linode credentials_ INI file.
(Required)
``--dns-linode-propagation-seconds`` The number of seconds to wait for
DNS to propagate before asking the
ACME server to verify the DNS
record.
(Default: 1200 because Linode
updates its first DNS every 15
minutes and we allow 5 more minutes
for the update to reach the other 5
servers)
========================================== ===================================
Credentials
-----------
Use of this plugin requires a configuration file containing Linode API
credentials, obtained from your Linode account's `Applications & API
Tokens page (legacy) <https://manager.linode.com/profile/api>`_ or `Applications
& API Tokens page (new) <https://cloud.linode.com/profile/tokens>`_.
.. code-block:: ini
:name: credentials.ini
:caption: Example credentials file:
# Linode API credentials used by Certbot
dns_linode_key = 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ64
dns_linode_version = [<blank>|3|4]
The path to this file can be provided interactively or using the
``--dns-linode-credentials`` command-line argument. Certbot records the path
to this file for use during renewal, but does not store the file's contents.
.. caution::
You should protect these API credentials as you would the password to your
Linode account. Users who can read this file can use these credentials
to issue arbitrary API calls on your behalf. Users who can cause Certbot to
run using these credentials can complete a ``dns-01`` challenge to acquire
new certificates or revoke existing certificates for associated domains,
even if those domains aren't being managed by this server.
Certbot will emit a warning if it detects that the credentials file can be
accessed by other users on your system. The warning reads "Unsafe permissions
on credentials configuration file", followed by the path to the credentials
file. This warning will be emitted each time Certbot uses the credentials file,
including for renewal, and cannot be silenced except by addressing the issue
(e.g., by using a command like ``chmod 600`` to restrict access to the file).
Examples
--------
.. code-block:: bash
:caption: To acquire a certificate for ``example.com``
certbot certonly \\
--dns-linode \\
--dns-linode-credentials ~/.secrets/certbot/linode.ini \\
-d example.com
.. code-block:: bash
:caption: To acquire a single certificate for both ``example.com`` and
``www.example.com``
certbot certonly \\
--dns-linode \\
--dns-linode-credentials ~/.secrets/certbot/linode.ini \\
-d example.com \\
-d www.example.com
.. code-block:: bash
:caption: To acquire a certificate for ``example.com``, waiting 1000 seconds
for DNS propagation (Linode updates its first DNS every 15 minutes
and we allow some extra time for the update to reach the other 5
servers)
certbot certonly \\
--dns-linode \\
--dns-linode-credentials ~/.secrets/certbot/linode.ini \\
--dns-linode-propagation-seconds 1000 \\
-d example.com
"""
|
