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o ���c�& � @ sv d dl Z d dlmZ d dlZd dlZd dlmZ d dlmZ d dl m Z d dl m Z G dd� de �Z ddd�ZdS )� N)� getLogger)�Failure)� log_failure)�PluginRegistry)�gather_resultsc sh e Zd ZdZ� fdd�Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z dd� Z � ZS )�SysInfoPluginRegistryaG When the sysinfo plugin registry is run, it will run each of the registered plugins so that they get a chance to feed information into the registry. There are three kinds of details collected: headers, notes, and footnotes. They are presented to the user in a way similar to the following: Header1: Value1 Header3: Value3 Header2: Value2 Header4: Value4 => This is first note => This is the second note The first footnote. The second footnote. Headers are supposed to display information which is regularly available, such as the load and temperature of the system. Notes contain eventual information, such as warnings of high temperatures, and low disk space. Finally, footnotes contain pointers to further information such as URLs. c s0 t t| ��� i | _g | _g | _g | _d| _d S )NF)�superr �__init__� _header_index�_headers�_notes� _footnotes� _plugin_error��self�� __class__� �;/usr/lib/python3/dist-packages/landscape/sysinfo/sysinfo.pyr ' s z SysInfoPluginRegistry.__init__c C s` | j �|�}|du r t| j�| j |< | j�||f� dS |d7 }|| j |< | j�|||f� dS )aj Add a new information header to be displayed to the user. Header names can be repeated. Headers with value None are not returned by get_headers(), but they still allocate a position in the list. This fact may be explored to create a deterministic ordering even when dealing with values obtained asynchornously. N� )r �get�lenr �append�insert)r �name�value�indexr r r � add_header/ s z SysInfoPluginRegistry.add_headerc C s dd� | j D �S )z�Get all information headers to be displayed to the user. Headers which were added with value None are not included in the result. c S s g | ] }|d dur|�qS )r Nr )�.0�pairr r r � <listcomp>H s z5SysInfoPluginRegistry.get_headers.<locals>.<listcomp>)r r r r r � get_headersB s z!SysInfoPluginRegistry.get_headersc C � | j �|� dS )z<Add a new eventual note to be shown up to the administrator.N)r r �r �noter r r �add_noteJ � z SysInfoPluginRegistry.add_notec C � | j S )z;Get all eventual notes to be shown up to the administrator.)r r r r r � get_notesN � z SysInfoPluginRegistry.get_notesc C r" )z7Add a new footnote to be shown up to the administrator.N)r r r# r r r � add_footnoteR r& z"SysInfoPluginRegistry.add_footnotec C r' )z6Get all footnotes to be shown up to the administrator.)r r r r r � get_footnotesV r) z#SysInfoPluginRegistry.get_footnotesc C sh g }| � � D ]%}z|�� }W n ty | �t� |� Y qw |�| j|� |�|� qt|��| j �S )z�Run all plugins, and return a deferred aggregating their results. This will call the run() method on each of the registered plugins, and return a deferred which aggregates each resulting deferred. ) � get_plugins�run� Exception�_log_plugin_errorr � addErrbackr r � addCallback�_report_error_note)r � deferreds�plugin�resultr r r r- Z s � zSysInfoPluginRegistry.runc C s, d| _ d|jj }td�}t|||d� d S )NTz %s plugin raised an exception.zlandscape-sysinfo)�logger)r r �__name__r r )r �failurer4 �messager6 r r r r/ k s z'SysInfoPluginRegistry._log_plugin_errorc C s4 ddl m} | jrtj�|� d�}| �d| � |S )Nr )�get_landscape_log_directoryz sysinfo.logzXThere were exceptions while processing one or more plugins. See %s for more information.)� landscape.sysinfo.deploymentr: r �os�path�joinr% )r r5 r: r= r r r r2 q s ��z(SysInfoPluginRegistry._report_error_note)r7 � __module__� __qualname__�__doc__r r r! r% r( r* r+ r- r/ r2 � __classcell__r r r r r s r r �P � � �=> c sf |t � �8 }t | �}d}|} | D ]\} } t| t | �t | � d �} qtt�t|�| t |� ��} tt�|t| � ��} g }d}t| �D ]F}d}d}t| �D ] }|| | }||k ro| | \} } t|t | ��}t|t | ��}qO|dkrz|t |�7 }||| t |� 7 }|�||f� qE| dks�||k r�n| d8 } q2g }t| �D ]R}� }t| �D ]D}|| | }||k r�| | \} } || \}}|dkr�||7 }|| | d|t | � | 7 }||d | | kr�|d|t | � 7 }q�|�|� q�|�r|r�|�d� � | }|D ]}|� t j ||dt |� |d�� �q|�r.|�r"|�d� |� � fd d �|D �� d � |�S ) a� Format sysinfo headers, notes and footnotes to be displayed. This function will format headers notes and footnotes in a way that looks similar to the following: Header1: Value1 Header3: Value3 Header2: Value2 Header4: Value4 => This is first note => This is the second note The first footnote. The second footnote. Header columns will be dynamically adjusted to conform to the size of header labels and values. z: � Tr r � rD )�initial_indent�subsequent_indent�widthc 3 s � | ]}� | V qd S )Nr )r �footnote��indentr r � <genexpr>� s � z!format_sysinfo.<locals>.<genexpr>� ) r �min�int�math�ceil�float�range�maxr �extend�textwrap�wrapr> )�headers�notes� footnotesrK rN �column_separator� note_prefix� headers_len�value_separator� min_length�headerr �columns�headers_per_column�header_lengths� total_length�column�widest_header_len�widest_value_len�row� header_index�lines�linerI r$ r rM r �format_sysinfo{ s� � � ��. ���� �� ro )r r r rC rD rE rF )rY �loggingr rS r< �twisted.python.failurer �landscape.lib.logr �landscape.lib.pluginr �landscape.lib.twisted_utilr r ro r r r r �<module> s n�
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