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o o@�d� � @ s� U d Z ddlZddlmZ ddlmZmZ ddlmZ ddl m Z ddl m Z m Z ddlmZ d Zd gZd d d eeed�ed�ed�gedgd�Ze ed< e e�Z e�e�Zdede dededdf dd�ZdS )z@Update Etc Hosts: Update the hosts file (usually ``/etc/hosts``)� N)�dedent)� templater�util)�Cloud)�Config)� MetaSchema� get_meta_doc)� PER_ALWAYSa� This module will update the contents of the local hosts database (hosts file; usually ``/etc/hosts``) based on the hostname/fqdn specified in config. Management of the hosts file is controlled using ``manage_etc_hosts``. If this is set to false, cloud-init will not manage the hosts file at all. This is the default behavior. If set to ``true``, cloud-init will generate the hosts file using the template located in ``/etc/cloud/templates/hosts.tmpl``. In the ``/etc/cloud/templates/hosts.tmpl`` template, the strings ``$hostname`` and ``$fqdn`` will be replaced with the hostname and fqdn respectively. If ``manage_etc_hosts`` is set to ``localhost``, then cloud-init will not rewrite the hosts file entirely, but rather will ensure that a entry for the fqdn with a distribution dependent ip is present (i.e. ``ping <hostname>`` will ping ``127.0.0.1`` or ``127.0.1.1`` or other ip). .. note:: if ``manage_etc_hosts`` is set ``true``, the contents of the hosts file will be updated every boot. To make any changes to the hosts file persistent they must be made in ``/etc/cloud/templates/hosts.tmpl`` .. note:: for instructions on specifying hostname and fqdn, see documentation for ``cc_set_hostname`` �all�cc_update_etc_hostszUpdate Etc Hostsz.Update the hosts file (usually ``/etc/hosts``)z� # Do not update or manage /etc/hosts at all. This is the default behavior. # # Whatever is present at instance boot time will be present after boot. # User changes will not be overwritten. manage_etc_hosts: false aT # Manage /etc/hosts with cloud-init. # On every boot, /etc/hosts will be re-written from # ``/etc/cloud/templates/hosts.tmpl``. # # The strings '$hostname' and '$fqdn' are replaced in the template # with the appropriate values either from the config-config ``fqdn`` or # ``hostname`` if provided. When absent, the cloud metadata will be # checked for ``local-hostname` which can be split into <hostname>.<fqdn>. # # To make modifications persistent across a reboot, you must modify # ``/etc/cloud/templates/hosts.tmpl``. manage_etc_hosts: true a! # Update /etc/hosts every boot providing a "localhost" 127.0.1.1 entry # with the latest hostname and fqdn as provided by either IMDS or # cloud-config. # All other entries will be left as is. # 'ping `hostname`' will ping 127.0.1.1 manage_etc_hosts: localhost �manage_etc_hosts)�id�name�title� description�distros�examples� frequency�activate_by_schema_keys�metar �cfg�cloud�args�returnc C s� t �|dd�}|jj}t j|dgd�rP|dkr t jdddd� t �||�\}}}|s1t�d � d S |� d |jj �} | sDt d |jj ��t � | |||d �� d S |d krut �||�\}}}|sft�d � d S t�d|� |j�||� d S t�d|| � d S )Nr F�template)�addonsz+Value 'template' for key 'manage_etc_hosts'z22.2zUse 'true' instead.)� deprecated�deprecated_version� extra_messagez<Option 'manage_etc_hosts' was set, but no hostname was foundzhosts.%sz.No hosts template could be found for distro %s)�hostname�fqdn� localhostzManaging localhost in %szPConfiguration option 'manage_etc_hosts' is not set, not managing %s in module %s)r �get_cfg_option_str�distro�hosts_fn�translate_bool� deprecate�get_hostname_fqdn�LOG�warning�get_template_filename�osfamily� RuntimeErrorr �render_to_file�debug�update_etc_hosts) r r r r � manage_hostsr$ r r �_� tpl_fn_name� r3 �F/usr/lib/python3/dist-packages/cloudinit/config/cc_update_etc_hosts.py�handlee sR �� ��� �� �r5 )�__doc__�logging�textwrapr � cloudinitr r �cloudinit.cloudr �cloudinit.configr �cloudinit.config.schemar r �cloudinit.settingsr �MODULE_DESCRIPTIONr r �__annotations__� getLogger�__name__r( �str�listr5 r3 r3 r3 r4 �<module> s> � ���%�/ "
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