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o ;j�( � @ s� d Z ddlZddlZddlZddlZddlmZ e�e �Z dZ dd� Z dd� Z d d � Zd d � Zd d� Zdd� Zdd� Ze d dd��Zed dd��Zdd� Zed dd ��ZdS ) z� Manage BTRFS file systems. :maintainer: Alberto Planas <aplanas@suse.com> :maturity: new :depends: None :platform: Linux � N)�CommandExecutionError�btrfsc C sP |rdnd}t �� }td || d|dd�}|d s&t�d| |� t|� d S |S ) z0 Mount the device in a temporary place. �defaultszsubvol=/z mount.mountedr F)�deviceZfstype�optsZpersist�resultz Cannot mount device %s in %sN)�tempfileZmkdtemp� __states__�log�error�_umount)r � use_defaultr �dest�res� r �E/opt/saltstack/salt/lib/python3.10/site-packages/salt/states/btrfs.py�_mount s �r c C s t d | � td | � dS )z/ Umount and clean the temporary place. zmount.unmountedz files.rm_rfN)r Z __utils__��pathr r r r & s r c C s, t d | �| d }t d |�d }||kS )z8 Check if the subvolume is the current default. �btrfs.subvolume_show� subvolume idzbtrfs.subvolume_get_default�id��__salt__)r r �name� subvol_idZdef_idr r r � _is_default. s r c C s" t d | �| d }t d ||�S )z3 Set the subvolume as the current default. r r zbtrfs.subvolume_set_defaultr )r r r r r r r � _set_default7 s r c C s t j�| �}dtd |�| vS )z1 Check if the subvolume is copy on write �Cz file.lsattr)�osr �dirnamer )r r r r r �_is_cow? s r! c C s t d | ddd�S )z2 Disable the copy on write in a subvolume z file.chattr�addr )�operatorZ attributesr r r r r � _unset_cowG s r$ c s t �� �� fdd��}|S )zf Small decorator to makes sure that the mount and umount happends in a transactional way. c s |� d| r | d nd �}|� dt| �dkr| d nd �}|� dd�}|di dgd�}zNz#|rFt||�}|sBd |� d �}|d �|� ||d < � | i |��}W n! tyo } ztjd |dd� |d �|� W Y d }~nd }~ww W |rwt|� |S |r�t|� w w )Nr r r � r Fz)Some error happends during the operation.�r r �changes�commentzDevice z cannot be mountedr( �__destz*Exception raised while mounting device: %sT)�exc_info)�get�lenr �append� Exceptionr r r ) �args�kwargsr r r �retr �msg�exc��actionr r �wrapperT s8 � ���� �z __mount_device.<locals>.wrapper)� functools�wraps)r5 r6 r r4 r �__mount_deviceN s r9 FTc C sd | di g d�}t j�|| �}td |�} | r!|d �d| � d�� td r7d|d < | s5d| � d �|d | < |S | s�t j�|�} td | d d�} | d sX|d �d| � d�� |S z td | ||d� W n tyx |d �d| � �� | Y S w d| � �|d | < | r�| r�|r�|r�t ||| �s�t ||| �|d | d < |s�t |�r�t |�|d | d < d |d < |S )af Makes sure that a btrfs subvolume is present. name Name of the subvolume to add device Device where to create the subvolume qgroupids Add the newly created subcolume to a qgroup. This parameter is a list set_default If True, this new subvolume will be set as default when mounted, unless subvol option in mount is used copy_on_write If false, set the subvolume with chattr +C force_set_default If false and the subvolume is already present, it will not force it as default if ``set_default`` is True Fr& �btrfs.subvolume_existsr( � Subvolume z already present�testNr z will be createdr' zfile.directoryT)�makedirszError creating z directoryzbtrfs.subvolume_create)r � qgroupidszError creating subvolume zCreated subvolume �_defaultZ_no_cow) r r �joinr r- �__opts__r r r r r r! r$ ) r r r> Z set_defaultZ copy_on_writeZforce_set_defaultr) r1 r �exists�_pathr r r r �subvolume_createds sT $� ����� � rD c C s� | di g d�}t j�|| �}td |�}|s!|d �d| � d�� td r7d|d < |r5d| � d �|d | < |S |r;d nd}|shz td ||d� W n ty^ |d �d| � �� | Y S w d| � �|d | < d|d < |S )z� Makes sure that a btrfs subvolume is removed. name Name of the subvolume to remove device Device where to remove the subvolume commit Wait until the transaction is over Fr& r: r( r; z already missingr< Nr z will be removedr' Zafterzbtrfs.subvolume_delete)�commitzError removing subvolume zRemoved subvolume T)r r r@ r r- rA r )r r rE r) r1 r rB r r r �subvolume_deleted� s2 � �rF c C sZ i }| � � D ]$\}}|| d }|du r|dkrd}n ||kr"d}nd}|r*|||< q|S )a# Calculate the difference between the current and the expected properties * 'expected' is expressed in a dictionary like: {'property': value} * 'current' contains the same format retuned by 'btrfs.properties' If the property is not available, will throw an exception. �valueFzN/AT)�items)�expected�current� differenceZ _propertyrG Z current_valueZ needs_updater r r �_diff_properties� s �rL c K s | di g d�}|r&t j�| �r t j�|t j�| t jj��}n t j�|| �}n| }t j�|�s;|d �d| � d�� |S dd� |�� D �}i }zt d |�}W n( t yv } z |d �d | � �� |d �d |� �� |W Y d }~S d }~ww zt ||�} W n t y� |d �d | � �� | Y S w t d r�d |d< | r�| |d< |S d| � �} |d �| � |S | r�d�dd� | �� D ��} t d || d� t d |�}t ||�} | r�d�| | �} |d �| � |S |d �d| � �� | |d< n |d �d| � �� d|d< |S )a5 Makes sure that a list of properties are set in a subvolume, file or device. name Name of the object to change device Device where the object lives, if None, the device will be in name use_default If True, this subvolume will be resolved to the default subvolume assigned during the create operation properties Dictionary of properties Valid properties are 'ro', 'label' or 'compression'. Check the documentation to see where those properties are valid for each object. Fr& r( zObject z not foundc S s. i | ]\}}|t |�tur|nt|��� �qS r )�type�bool�str�lower��.0�k�vr r r � <dictcomp>G s "�z properties.<locals>.<dictcomp>zbtrfs.propertiesz Error reading properties from zCurrent error NzSome property not found in r< r r' z!No properties will be changed in �,c s s" � | ] \}}|� d |� �V qdS )�=Nr rQ r r r � <genexpr>c s � z properties.<locals>.<genexpr>)�setz(Properties {} failed to be changed in {}zProperties changed in zProperties not changed in T)r r �isabsr@ �relpath�seprB r- rH r r rL �KeyErrorrA �format) r r r r) � propertiesr1 r Zcurrent_properties�eZproperties_to_setr2 Z _propertiesZproperties_failedr r r r_ sn � ��� � � � r_ )NFTTN)FN)�__doc__r7 �loggingZos.pathr r Zsalt.exceptionsr � getLogger�__name__r Z__virtualname__r r r r r! r$ r9 rD rF rL r_ r r r r �<module> s6 % �X 1
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