certbot.plugins.dns_common module

Common code for DNS Authenticator Plugins.

classcertbot.plugins.dns_common.``DNSAuthenticator(config, name)[source]
Bases: certbot.plugins.common.Plugin
Base class for DNS Authenticators
classmethodadd_parser_arguments(add, default_propagation_seconds=10)[source]
Add plugin arguments to the CLI argument parser.
NOTE: If some of your flags interact with others, you can use cli.report_config_interaction to register this to ensure values are correctly saved/overridable during renewal.
Parameters: add (callable) – Function that proxies calls to argparse.ArgumentParser.add_argument prepending options with unique plugin name prefix.
get_chall_pref(unused_domain)[source]
prepare()[source]
perform(achalls)[source]
cleanup(achalls)[source]

class certbot.plugins.dns_common.CredentialsConfiguration (filename, mapper=<function >)[source]
Bases: object
Represents a user-supplied filed which stores API credentials.
require(required_variables)[source]
Ensures that the supplied set of variables are all present in the file.
Parameters: required_variables (dict) – Map of variable which must be present to error to display.
Raises: errors.PluginError – If one or more are missing.
conf(var)[source]
Find a configuration value for variable var, as transformed by mapper.
Parameters: var (str) – The variable to get.
Returns: The value of the variable.
Return type: str

certbot.plugins.dns_common.validate_file(filename)[source]
Ensure that the specified file exists.
certbot.plugins.dns_common.``validate_file_permissions(filename)[source]
Ensure that the specified file exists and warn about unsafe permissions.
certbot.plugins.dns_common.``base_domain_name_guesses(domain)[source]
Return a list of progressively less-specific domain names.
One of these will probably be the domain name known to the DNS provider.
Example:

base_domain_name_guesses(‘foo.bar.baz.example.com’)
[‘foo.bar.baz.example.com’, ‘bar.baz.example.com’, ‘baz.example.com’, ‘example.com’, ‘com’]
Parameters: domain (str) – The domain for which to return guesses.
Returns: The a list of less specific domain names.
Return type: list

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