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Notes:
* This datasource replaces previous NoCloud datasource for LXD.
* Older LXD images may not have updates for cloud-init so NoCloud may
still be detected on those images.
* Detect LXD datasource when /dev/lxd/sock is an active socket file.
* Info on dev-lxd API: https://documentation.ubuntu.com/lxd/en/latest/dev-lxd/
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i S zt�|�}W n ty+ } z t�dj| |d��|�d}~ww |du r:t�dj| |d���|S )a6 Convert raw instance data from str, bytes, YAML to dict
:param metadata_type: string, one of as: meta-data, vendor-data, user-data
network-config
:param metadata_value: str, bytes or dict representing or instance-data.
:raises: InvalidMetaDataError on invalid instance-data content.
NzAInvalid {md_type}. Expected str, bytes or dict but found: {value})�md_type�valuez:Invalid {md_type} format. Expected YAML but found: {value})�
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zDataSourceLXD._get_datac C s dj ttd�S )z.Return subplatform details for this datasourcez"LXD socket API v. {ver} ({socket}))�verrO )rk �LXD_SOCKET_API_VERSIONr[ rS r2 r2 r3 �_get_subplatform� s �z DataSourceLXD._get_subplatformc C sB t tjd�}|�di �}t|t�st�|�}|�d�| j�d�kS )z%Return True if instance_id unchanged.��
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� D �}t |�| _ | j tjkrNt� d� t � | _ t t| j �S )z�Network config read from LXD socket config/user.network-config.
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�Z d S ) �_MetaDataReader� api_versionc C s || _ t�t| j �| _d S rN )r� r � combine_url�LXD_URL� _version_url)rK r� r2 r2 r3 rG R s z_MetaDataReader.__init__r� r c
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d �� q|S ) a� Iterate on LXD API config items. Promoting CONFIG_KEY_ALIASES
Any CONFIG_KEY_ALIASES which affect cloud-init behavior are promoted
as top-level configuration keys: user-data, network-data, vendor-data.
LXD's cloud-init.* config keys override any user.* config keys.
Log debug messages if any user.* keys are overridden by the related
cloud-init.* key.
r> F�r� r� r� �/r� z,Ignoring LXD config %s in favor of %s value.�userz
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$�z_MetaDataReader.__call__N) rT rU rV r� r� rG r� r� rg r� r� r� r2 r2 r2 r3 r� Q s 6r� r� r� c C s t | d�|d�S )a/ Fetch metadata from the /dev/lxd/socket routes.
Perform a number of HTTP GETs on known routes on the devlxd socket API.
Minimally all containers must respond to <LXD_SOCKET_API_VERSION>/meta-data
when the LXD configuration setting `security.devlxd` is true.
When `security.devlxd` is false, no /dev/lxd/socket file exists. This
datasource will return False from `ds_detect` in that case.
Perform a GET of <LXD_SOCKET_API_VERSION>/config` and walk all `user.*`
configuration keys, storing all keys and values under a dict key
LXD_SOCKET_API_VERSION: config {...}.
In the presence of the following optional user config keys,
create top level aliases:
- user.user-data -> user-data
- user.vendor-data -> vendor-data
- user.network-config -> network-config
:param api_version:
LXD API version to operated with.
:param metadata_keys:
Instance of `MetaDataKeys` indicating what keys to fetch.
:return:
A dict with the following optional keys: meta-data, user-data,
vendor-data, network-config, network_mode, devices.
Below <LXD_SOCKET_API_VERSION> is a dict representation of all raw
configuration keys and values provided to the container surfaced by
the socket under the /1.0/config/ route.
)r� r� )r� )r� r� r2 r2 r3 r� � s #�r� c C s t �| t�S rN )r �list_from_depends� datasources)�dependsr2 r2 r3 �get_datasource_list� s r� �__main__z*Query LXD metadata and emit a JSON object.)� descriptionr� rN )T)F�__doc__�loggingry rO r| r� �enumr r � json.decoderr �typingr r r r r r
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