Viewing: linux_sysctl.cpython-36.pyc
3 �N�b� � @ s� d Z ddlZddlZddlZddlZddlZddlZddlZddl m Z ej e �Z dZdd� Zdd� Zdd d �Zd d � Zdd� Zddd�ZdS )z4 Module for viewing and modifying sysctl parameters � N)�CommandExecutionErrorZsysctlc C s t d dkrdS tS )z# Only run on Linux systems ZkernelZLinuxF�TThe linux_sysctl execution module cannot be loaded: only available on Linux systems.)Fr )Z __grains__�__virtualname__� r r �"/usr/lib/python3.6/linux_sysctl.py� __virtual__ s r c C s( t jjjt�r$t jjjt�dkr$dS dS )a� Linux hosts using systemd 207 or later ignore ``/etc/sysctl.conf`` and only load from ``/etc/sysctl.d/*.conf``. This function will do the proper checks and return a default config file which will be valid for the Minion. Hosts running systemd >= 207 will use ``/etc/sysctl.d/99-salt.conf``. CLI Example: .. code-block:: bash salt -G 'kernel:Linux' sysctl.default_config �� z/etc/sysctl.d/99-salt.confz/etc/sysctl.conf)�salt�utilsZsystemdZbooted� __context__�versionr r r r �default_config% s r Fc C s i }| r�t jj| �sg S y�tjjj| ��r}xj|D ]b}tjjj|�}|j d� r0d|kr0d}||krj|j � }|j |d�\}}|j � }|j � }|||< q0W W dQ R X W n t k r� tjd� dS X nRd}td |d d �}x<|j� D ]0}| s�d|kr�q�|j dd�} | d || d < q�W |S ) z� Return a list of sysctl parameters for this minion config: Pull the data from the system configuration file instead of the live data. CLI Example: .. code-block:: bash salt '*' sysctl.show �#�=z = � NzCould not open sysctl filez sysctl -azcmd.run_stdoutZtrace)Zoutput_loglevelr )�os�path�existsr r �files�fopenZ stringutilsZto_str� startswith�strip�split�lstrip�OSError�log�error�__salt__� splitlines) Z config_file�retZfp_�lineZSPLIT�key�value�cmd�out�compsr r r �show: s6 r& c C s dj | �}td |dd�}|S )z� Return a single sysctl parameter for this minion CLI Example: .. code-block:: bash salt '*' sysctl.get net.ipv4.ip_forward z sysctl -n {}zcmd.runF)� python_shell)�formatr )�namer# r$ r r r �geth s r* c C s� t |�}| jdjdd��}dj|�}tjj|�s>tdj| ���i }dj| |�}td |dd �}|d }|d }t j d jt j | �t j |���} | j |� s�d t |�kr�|d dkr�|r�|} n|} tdj| ���|j dd�\} } | || < |S )z� Assign a single sysctl parameter for this minion CLI Example: .. code-block:: bash salt '*' sysctl.assign net.ipv4.ip_forward 1 � z./z/.z /proc/sys/{}zsysctl {} does not existzsysctl -w {}="{}"z cmd.run_allF)r' �stdout�stderrz ^{}\s+=\s+{}$zInvalid argumentZretcoder zsysctl -w failed: {}z = r )�str� translate� maketransr( r r r r r �re�compile�escape�matchr ) r) r" Ztran_tabZ sysctl_filer r# �datar$ �errZregexr �new_nameZ new_valuer r r �assignw s& r8 c * C s� |dkrt � }d}tjj|�s�tjj|�}tjj|�s@tj|� y*tjj j |d��}|j d� W dQ R X W n& t k r� d}t |j|���Y nX g }y2tjj j |d��}tjjj|j� �}W dQ R X W n& t k r� d}t |j|���Y nX �x4|D �]*} | jd��r|j| � q�d | k�r,|j| � q�d d � | jd d �D �} t| d t��rvd | d k�rvtjdd| d �| d < t|t��r�d |k�r�tjdd|�}t| �dk �r�|j| � q�| | d k�rt| d �t|�k�r tt| ��t|�k�r�t| |� dS dS |jdj| |�� d}q�q�|j| � q�W |�s@|jdj| |�� y4tjj j |d��}|j tjjj |�� W dQ R X W n( t k �r� d}t |j|���Y nX t| |� dS )aC Assign and persist a simple sysctl parameter for this minion. If ``config`` is not specified, a sensible default will be chosen using :mod:`sysctl.default_config <salt.modules.linux_sysctl.default_config>`. CLI Example: .. code-block:: bash salt '*' sysctl.persist net.ipv4.ip_forward 1 NFzw+z"# # Kernel sysctl configuration # z Could not write to file: {0}�rz Could not read from file: {0}r r c S s g | ] }|j � �qS r )r )�.0�ir r r � <listcomp>� s zpersist.<locals>.<listcomp>r � z\s+� � r ZUpdatedz Already setz{} = {} T�wb) r r r �isfile�dirnamer �makedirsr r r r �writer r r( r5 �decode� readlinesr �appendr � isinstancer. r1 �sub�lenr* r8 � writelines�encode) r) r" �configZeditedZ sysctl_dirZ_fh�msgZnlinesZ config_datar r% r r r �persist� sn " rO )F)N)�__doc__Zloggingr r1 Zsalt.utils.datar Zsalt.utils.filesZsalt.utils.stringutilsZsalt.utils.systemdZsalt.exceptionsr Z getLogger�__name__r r r r r& r* r8 rO r r r r �<module> s .(
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