관리-도구
편집 파일: DataSourceAkamai.cpython-39.pyc
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If use_v6 is passed in, the IPv6 base url is used; otherwise the IPv4 url is used unless IPv4 is not allowed in ds_cfg r zUnknown path name {}r r r r z{}{})r4 � ValueError�format)r5 r8 r9 Z version_keyZbase_url�pathr* r* r+ � _build_urlN s zDataSourceAkamai._build_url�r: c C sR | j d s| j d r(| j d s8| j d s8t�d� tjS | jrF| �� S | �� S dS )z� Returns whether metadata should be retrieved at this stage, at the next stage, or never, in the form of a MetadataAvailabilityResult. r r r r z*Configuration prohibits fetching metadata.N)r4 r. �infor r' � local_stage�_should_fetch_data_local�_should_fetch_data_network�r5 r* r* r+ �_should_fetch_data` s ���� z#DataSourceAkamai._should_fetch_datac C sD | j d st�d� tjS | j d s>| j d s>t�d� tjS tjS )z� Returns whether metadata should be retrieved during the local stage, or if it should wait for the init stage. r z)Configuration prohibits local stage setupr r z9Configuration does not allow for ephemeral network setup.�r4 r. r@ r r) r( rD r* r* r+ rB t s �z)DataSourceAkamai._should_fetch_data_localc C s | j d st�d� tjS tjS )zS Returns whether metadata should be fetched during the init stage. r z1Configuration does not allow for init stage setuprF rD r* r* r+ rC � s z+DataSourceAkamai._should_fetch_data_networkc s� g }| j r�t� }d}| jd }|�� D ]&\� }t� fdd�|D ��r&|} qNq&|du rft�d� t� }g }| jd r�|�t | j |ddd �df� | jd r�| jd r�|�t | j |dd �df� n4| jd r�|�t � df� | jd r�|�t � df� |S ) z� Returns a list of context managers which should be tried when setting up a network context. If we're running in init mode, this return a noop since networking should already be configured. Nr c s g | ]}� � |��qS r* )� startswith)�.0�prefix�Zmacr* r+ � <listcomp>� � zBDataSourceAkamai._get_network_context_managers.<locals>.<listcomp>zGFailed to find default interface, attempting DHCP on fallback interfacer FTr r r )r ) rA r r4 �items�anyr. �warningr �appendr r7 �noop)r5 �network_context_managersZ interfacesZ interfaceZpreferred_prefixes�infr* rJ r+ � _get_network_context_managers� sh � �� ��� ��� �� ��z.DataSourceAkamai._get_network_context_managers)r9 r: c C s: z�t j| jd|d�ddddddid �}|jd krDt�d |j� W d S t|�}t j| jd |d�dddd|d�d�}t�t|��| _ t j| jd|d�dddd|id�}t|�| _ zt | j �| _ W n2 t j y� } zt�d|� W Y d}~n d}~0 0 W nB t j�y4 } z&t�d|�rdnd|� W Y d}~dS d}~0 0 d S )z� Runs through the sequence of requests necessary to retrieve our metadata and user data, creating a token for use in doing so, capturing the results. r �r9 ZPUT� r" � z Metadata-Token-Expiry-SecondsZ300)Zrequest_method�timeout� sec_between�retries�headers�� z-Fetching token returned %s; not fetching dataTr zapplication/json)ZAccept�Metadata-Token)rX rY rZ r[ r r] z*Failed to base64 decode userdata due to %sNz1Failed to retrieve metadata using IPv%s due to %s�6�4F)r Zreadurlr> �coder. r@ �str�json�loadsr Z userdata_rawr �binascii�ErrorrO ZUrlError)r5 r9 Ztoken_responser r r �er* r* r+ �_fetch_metadata� s` �� � �� �� & �z DataSourceAkamai._fetch_metadatac C s� t �d� t� s t �d� dS t� }d|i| _| �� }|tjkrf|tj krXt �d� dS t �d� dS | � � }|D ]`\}}|�D | j |d�}|r�| j� d |�| jd< W d � q�W d � qr1 s�0 Y qrt � d � dS ) zW Overrides _get_data in the DataSource class to actually retrieve data z#Getting data from Akamai DataSourcez#Not running on Akamai, not running.Fz instance-idz5Metadata is not available, returning local data only.TzFConfigured not to fetch data at this stage; waiting for a later stage.rU �idNzHFailed to contact metadata service, falling back to local metadata only.)r. r/ r r@ r r rE r r( r' rT rg �getrO )r5 Zlocal_instance_idZ availabilityrR Zmanagerr9 Zdoner* r* r+ � _get_data' s@ � �� � 0�zDataSourceAkamai._get_datac C s t �| �� d�S )zj A local-only check to see if the instance id matches the id we see on the system zsystem-serial-number)r Z instance_id_matches_system_uuidZget_instance_id)r5 r6 r* r* r+ �check_instance_id[ s �z"DataSourceAkamai.check_instance_idN)F)F)r# r$ r% ZdsnamerA r1 ra �boolr> r rE rB rC r r r r r rT rg rj rk r* r* r* r+ r, 8 s � OD4r, c @ s e Zd ZdZdZdS )�DataSourceAkamaiLocalz� A subclass of DataSourceAkamai that runs the same functions, but during the init-local stage. This allows configuring networking via cloud-init, as networking hasn't been configured yet. TN)r# r$ r% r& rA r* r* r* r+ rm e s rm r? c C s t �| t�S )N)r Zlist_from_depends� datasources)Zdependsr* r* r+ �get_datasource_list s ro )(rd rb Zlogging�base64r � contextlibr rQ �enumr �typingr r r r Z cloudinitr r r Z cloudinit.netr r Zcloudinit.net.ephemeralr Z cloudinit.sources.helpers.akamair r r Z getLoggerr# r. r3 r r0 r, rm ZDEP_FILESYSTEMZ DEP_NETWORKrn ro r* r* r* r+ �<module> sN ���� / ���