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o ;j� � @ sv d Z ddlZddlZddlZddlZddlZddlZddlZe� e �Z dd� Z dd� Z d dd�Zd d d �Zd d � ZdS )z� Qemu Command Wrapper The qemu system comes with powerful tools, such as qemu-img and qemu-nbd which are used here to build up kvm images. � Nc C s t jj�d�r dS dS )z: Only load if qemu-img and qemu-nbd are installed zqemu-nbdZqemu_nbd)FzWThe qemu_nbd execution module cannot be loaded: the qemu-nbd binary is not in the path.)�salt�utils�path�which� r r �I/opt/saltstack/salt/lib/python3.10/site-packages/salt/modules/qemu_nbd.py� __virtual__ s r c C s� t j�| �st�d| � dS tjj�d�rd}nd}td d� t � d�D ]-}td |� d |� ��rR td d |� d | � �d d� td |� d |� ��sQ | S q3q%t�d| � dS )z� Activate nbd for an image file. CLI Example: .. code-block:: bash salt '*' qemu_nbd.connect /tmp/image.raw z*Could not connect image: %s does not exist� Zsfdiskz sfdisk -dzfdisk -l�cmd.runzmodprobe nbd max_part=63z /dev/nbd?z cmd.retcode� Tz qemu-nbd -c F�Z python_shellzCould not connect image: %s) �osr �isfile�log�warningr r r �__salt__�glob)�imageZfdisk�nbdr r r �connect" s* ��� r c C s� t d d| � �dd� i }|du r tj�t�� dtj�| ��}t�| � d��D ]#}tj�|tj�|��}t� d� t d ||d �}|d urFq'|||< q'|S ) z� Pass in the nbd connection device location, mount all partitions and return a dict of mount points CLI Example: .. code-block:: bash salt '*' qemu_nbd.mount /dev/nbd0 r z partprobe Fr Nr zp*� z mount.mountT) r r r �join�tempfileZ gettempdir�basenamer �time�sleep)r �root�ret�part�m_pt�mntr r r �mountD s � r! c C s t | �}|sdS t||�S )z� Mount the named image via qemu-nbd and return the mounted roots CLI Example: .. code-block:: bash salt '*' qemu_nbd.init /srv/image.qcow2 r )r r! )r r r r r r �init` s r" c C s| i }t � }| �� D ] \}}td |�}|dur|||< |�|d|�d�� � q |r,|S |D ] }td d|� �dd� q.|S ) aX Pass in the mnt dict returned from nbd_mount to unmount and disconnect the image from nbd. If all of the partitions are unmounted return an empty dict, otherwise return a dict containing the still mounted partitions CLI Example: .. code-block:: bash salt '*' qemu_nbd.clear '{"/mnt/foo": "/dev/nbd0p1"}' z mount.umountTN�pr z qemu-nbd -d Fr )�set�itemsr �add�rindex)r r Znbdsr �devZmnt_retr r r r �clearp s r) )N)�__doc__r �loggingr r r Z salt.cryptr Zsalt.utils.path� getLogger�__name__r r r r! r" r) r r r r �<module> s "
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