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o o@�d8T � @ s> U d Z ddlZddlZddlZddlZddlZddlZddlZddlm Z m Z ddl m Z ddl mZ ddlmZ ddlmZ ddlmZ dd lmZmZmZ dd lmZ dd lm Z dd l m Z m Z dd l m!Z!m"Z" ddl#m$Z$ dZ%e$Z&ddde%e!ge&ed�ed�gg d�Z'e e(d< e e'�Z ddgdd�Z)ed�Z*G d d � d �Z+e�,e-�Z.d e/d e"d e0fd!d"�Z1G d#d$� d$e2�Z3G d%d&� d&e �Z4G d'd(� d(e4�Z5G d)d*� d*e4�Z6G d+d,� d,e4�Z7d-d.� Z8d/d0� Z9d1d2� Z:d3d4� Z;d5e<fd6d7�Z=d8d9� Z>d5ee/e/f fd:d;�Z?d<d=� Z@d>e/d?e d@edAe0d5df dBdC�ZAdDe5fdEe6fdFe7ffZBdS )GzGrowpart: Grow partitions� N)�ABC�abstractmethod)�suppress)�Path)�dedent)�Tuple)�log)�subp� temp_utils�util)�Cloud)�Config)� MetaSchema� get_meta_doc)� ALL_DISTROS�Distro)� PER_ALWAYSa6 Growpart resizes partitions to fill the available disk space. This is useful for cloud instances with a larger amount of disk space available than the pristine image uses, as it allows the instance to automatically make use of the extra space. Note that this only works if the partition to be resized is the last one on a disk with classic partitioning scheme (MBR, BSD, GPT). LVM, Btrfs and ZFS have no such restrictions. The devices on which to run growpart are specified as a list under the ``devices`` key. There is some functionality overlap between this module and the ``growroot`` functionality of ``cloud-initramfs-tools``. However, there are some situations where one tool is able to function and the other is not. The default configuration for both should work for most cloud instances. To explicitly prevent ``cloud-initramfs-tools`` from running ``growroot``, the file ``/etc/growroot-disabled`` can be created. By default, both ``growroot`` and ``cc_growpart`` will check for the existence of this file and will not run if it is present. However, this file can be ignored for ``cc_growpart`` by setting ``ignore_growroot_disabled`` to ``true``. For more information on ``cloud-initramfs-tools`` see: https://launchpad.net/cloud-initramfs-tools On FreeBSD, there is also the ``growfs`` service, which has a lot of overlap with ``cc_growpart`` and ``cc_resizefs``, but only works on the root partition. In that configuration, we use it, otherwise, we fall back to ``gpart``. Note however, that ``growfs`` may insert a swap partition, if none is present, unless instructed not to via ``growfs_swap_size=0`` in either ``kenv(1)``, or ``rc.conf(5)``. Growpart is enabled by default on the root partition. The default config for growpart is:: growpart: mode: auto devices: ["/"] ignore_growroot_disabled: false � cc_growpart�GrowpartzGrow partitionsz� growpart: mode: auto devices: ["/"] ignore_growroot_disabled: false z� growpart: mode: growpart devices: - "/" - "/dev/vdb1" ignore_growroot_disabled: true )�id�name�title� description�distros� frequency�examples�activate_by_schema_keys�meta�auto�/F)�mode�devices�ignore_growroot_disabledz/cc_growpart_keydatac @ s e Zd ZdZdZdZdZdS )�RESIZE�SKIPPED�CHANGED�NOCHANGE�FAILEDN)�__name__� __module__� __qualname__r$ r% r& r' � r+ r+ �>/usr/lib/python3/dist-packages/cloudinit/config/cc_growpart.pyr# o s r# r �distror! c C s� d }| dkr#t D ]\}}||�}|j|d�r|} nq|s!td��|S i }t D ]\}} | ||< q'| |vr:td| ��|| |�} | j|d�rH| }|sPtd| ��|S )Nr )r! zNo resizers availablezunknown resize mode %szmode %s not available)�RESIZERS� available� ValueError� TypeError) r r- r! � resize_class�_name�resizer�cur�mmap�k�v�mclassr+ r+ r, �resizer_factoryy s, �� r: c @ s e Zd ZdS )�ResizeFailedExceptionN)r( r) r* r+ r+ r+ r, r; � s r; c @ s< e Zd Zdefdd�Zededefdd��Zedd � �Z d S ) �Resizerr- c C s || _ d S �N)�_distro)�selfr- r+ r+ r, �__init__� s zResizer.__init__r! �returnc C � d S r= r+ �r? r! r+ r+ r, r/ � � zResizer.availablec C rB r= r+ )r? �diskdev�partnum�partdevr+ r+ r, �resize� rD zResizer.resizeN) r( r) r* r r@ r �list�boolr/ rH r+ r+ r+ r, r< � s r< c @ �" e Zd Zdefdd�Zdd� ZdS )�ResizeGrowPartr! c C sX t j�� }d|d< ztjddg|d�\}}t�d|�r W dS W dS tjy+ Y dS w ) N�C�LANG�growpartz--help��envz --update\s+TF��os�environ�copyr �re�search�ProcessExecutionError)r? r! �myenv�out�_errr+ r+ r, r/ � s ���zResizeGrowPart.availablec C sV t j�� }d|d< t|�}| j�� }tj|dd���}t j� |d�}t j� |�s-t � |d� ||d< z t j dd||g|d � W n0 t j yn } z#| jd krYt�td ||� t| �| �||fW Y d } ~ W d � S d } ~ ww z t j d||g|d � W n t j y� } z t�td ||� t| �| �d } ~ ww W d � n1 s�w Y |t|�fS ) NrM rN T)�dir� needs_exerO i� �TMPDIRz --dry-runrP � z&Failed growpart --dry-run for (%s, %s)zFailed: growpart %s %s)rS rT rU �get_sizer> �get_tmp_exec_pathr �tempdir�path�join�exists�mkdirr rX � exit_coder �logexc�LOGr; ) r? rE rF rG rY �before�tmp_dir�tmpd� growpart_tmp�er+ r+ r, rH � sH � � �� ��� � zResizeGrowPart.resizeN�r( r) r* rI r/ rH r+ r+ r+ r, rL � � rL c @ s& e Zd ZdZdefdd�Zdd� ZdS )� ResizeGrowFSa� Use FreeBSD ``growfs`` service to grow root partition to fill available space, optionally adding a swap partition at the end. Note that the service file warns us that it uses ``awk(1)``, and as such requires ``/usr`` to be present. However, cloud-init is installed into ``/usr/local``, so we should be fine. We invoke the ``growfs`` with ``service growfs onestart``, so it doesn't need to be enabled in ``rc.conf``. r! c C s t j�d�o |dgkS )z'growfs only works on the root partitionz/etc/rc.d/growfsr )rS rc �isfilerC r+ r+ r, r/ � s zResizeGrowFS.availablec C sZ t |�}z | jjddd� W n tjy& } z t�td� t|�|�d }~ww |t |�fS )N�onestart�growfs)�action�servicez Failed: service growfs onestart) r` r> �manage_servicer rX r rh ri r; )r? rE rF rG rj rn r+ r+ r, rH � s �� zResizeGrowFS.resizeN)r( r) r* �__doc__rI r/ rH r+ r+ r+ r, rq � s rq c @ rK )� ResizeGpartr! c C s^ t j�� }d|d< ztjddg|ddgd�\}}t�d|�r!W d S W d S tjy. Y d S w ) NrM rN �gpart�helpr r_ )rQ �rcszgpart recover TFrR )r? r! rY �_out�errr+ r+ r, r/ � s ���zResizeGpart.availablec C s� z t � dd|g� W n$ t jy. } z|jdkr$t�td|� t|�|�W Y d}~nd}~ww t|�}z t � ddd||g� W n t jyY } z t�td||� t|�|�d}~ww |t|�fS ) a9 GPT disks store metadata at the beginning (primary) and at the end (secondary) of the disk. When launching an image with a larger disk compared to the original image, the secondary copy is lost. Thus, the metadata will be marked CORRUPT, and need to be recovered. rz �recoverr zFailed: gpart recover %sNrH z-iz Failed: gpart resize -i %s %s)r rX rg r rh ri r; r` )r? rE rF rG rn rj r+ r+ r, rH s$ ��� �� zResizeGpart.resizeNro r+ r+ r+ r, ry � rp ry c C s8 t �| t j�}zt �|dt j�W t �|� S t �|� w )Nr )rS �open�O_RDONLY�lseek�SEEK_END�close)�filename�fdr+ r+ r, r` s r` c C s� t j�| �}t j�|�}d| }t�� r+dt�| � }t�d|�}|r+|d |d fS t j� |�s9t d| |f ��t j� |d�}t j� |�sLt d| ��t� |��� }t j�|�}t j�|�} t� t j� | d���� } t j�d | �} | |fS ) Nz/sys/class/block/%s�/dev/z/^(?P<dev>/dev/.+)[sp](?P<part_slice>\d+[a-z]*)$�dev� part_slicez%s had no syspath (%s)� partitionz%s not a partitionz /dev/block/%s)rS rc �realpath�basenamer �is_BSD�find_freebsd_partrV rW re r0 rd r1 � load_file�rstrip�dirname) �devpath�rpath�bname�syspath�fpart�m�ptpath�ptnum�rsyspath� disksyspath� diskmajmin� diskdevpathr+ r+ r, �device_part_info& s* � r� c C sr | � d�r| S t�| �}|std��|d }t�� }|dkr7|s7t�t�� �}|d u r7tj� |�r3|S td��|S )Nr� z,Could not determine device of '%s' % dev_entr z /dev/rootz!Unable to find device '/dev/root') � startswithr �get_mount_infor0 � is_container�rootdev_from_cmdline� get_cmdlinerS rc re )�devent�resultr� � containerr+ r+ r, � devent2devQ s r� c C s, t j�| �}|�d�rt�d| |� |S dS )a Returns underlying block device for a mapped device. If it is mapped, blockdev will usually take the form of /dev/mapper/some_name If blockdev is a symlink pointing to a /dev/dm-* device, return the device pointed to. Otherwise, return None. z/dev/dm-z$%s is a mapped device pointing to %sN)rS rc r� r� ri �debug)�blockdevr� r+ r+ r, �get_mapped_deviceh s r� rA c C s� t �d�s t�d� dS z t � dd| g� W n' t jy= } z|jdkr+t�d| � nt�d|j� W Y d}~dS d}~ww tt j�� t � dd |g� t�d | � W d � d S 1 s^w Y dS ) z� Check if a device is an encrypted device. blockdev should have a /dev/dm-* path whereas partition is something like /dev/sda1. � cryptsetupz6cryptsetup not found. Assuming no encrypted partitionsF�status� z#Determined that %s is not encryptedzZReceived unexpected exit code %s from cryptsetup status. Assuming no encrypted partitions.N�isLuksz Determined that %s is encryptedT)r �whichri r� rX rg �warningr )r� r� rn r+ r+ r, � is_encryptedx s* ��� �r� c C s� ddd| g}t � |�d }|�d�std|� ���zd|�d�d �d �d � �W S tyA } z td |� d |� d ��|�d }~ww )N�dmsetup�depsz--options=devnamer z1 dependz5Expecting '1 dependencies' from 'dmsetup'. Received: r� z: (r_ �)zRan `z$`, but received unexpected stdout: `�`)r r� � RuntimeError�split� IndexError)r� �command�deprn r+ r+ r, �get_underlying_partition� s � ����r� c C s� t �� s tjdfS z(t �� � }t�|�}W d � n1 s w Y |d }t�|�}|d }W n t yB } zt d�|�d}~ww zKt j dddd | g|d � W zt � dd d |t |�g� W n t j yx } z t�d |� W Y d}~nd}~ww zt �� W nM t y� t�td� Y n?w zt � dd d |t |�g� W n t j y� } z t�d |� W Y d}~nd}~ww zt �� W w t y� t�td� Y w w tjd| � d�fS )z�Use 'cryptsetup resize' to resize LUKS volume. The loaded keyfile is json formatted with 'key' and 'slot' keys. key is base64 encoded. Example: {"key":"XFmCwX2FHIQp0LBWaLEMiHIyfxt1SGm16VvUAVledlY=","slot":5} zNo encryption keyfile foundN�key�slotzZCould not load encryption key. This is expected if the volume has been previously resized.r� z --key-file�-rH )�data� luksKillSlotz --batch-modez<Failed to kill luks slot after resizing encrypted volume: %sz8Failed to remove keyfile after resizing encrypted volumez'Successfully resized encrypted volume '�')� KEYDATA_PATHre r# r$ r� �json�load�base64� b64decode� Exceptionr� r �strrX ri r� �unlinkr rh r% )r� r� �f�keydatar� � decoded_keyr� rn r+ r+ r, �resize_encrypted� s� � ���� ��� ��� ����� ��� �� �r� c C s� t � |�}g }|�rV|�d�}zt|�}W n ty2 } z|�|tjd| f� W Y d }~qd }~ww zt�|�}W n t yY } z|�|tjd||f f� W Y d }~qd }~ww t� |j �srt� |j �sr|�|tjd| f� qt |�}|r�z?t|�}t||�r�|dd� |D �vr�|�d|� |�d|� W qt||�\} } |�|| | f� n |�|tjd|� d�f� W n! ty� } z|�|tjd |� d |� �f� W Y d }~nd }~ww qzt|�\} } W n" ttf�y } z|�|tjd ||f f� W Y d }~qd }~ww z-| �| | |�\} }| |k�r"|�|tjd | | f f� n|�|tjd | | | |f f� W n! t�yS } z|�|tjd| | |f f� W Y d }~nd }~ww |s |S )Nr z unable to convert to device: %szstat of '%s' failed: %sz device '%s' not a block devicec S s g | ]}|d �qS )r r+ )�.0�xr+ r+ r, � <listcomp> s z"resize_devices.<locals>.<listcomp>zResizing mapped device (z!) skipped as it is not encrypted.zResizing encrypted device (z ) failed: z device_part_info(%s) failed: %sz no change necessary (%s, %s)z changed (%s, %s) from %s to %sz'failed to resize: disk=%s, ptnum=%s: %s)rU �popr� r0 �appendr# r$ rS �stat�OSError�S_ISBLK�st_mode�S_ISCHRr� r� r� �insertr� r� r' r� r1 rH r& r% r; )r4 r! �infor� r� rn �statret�underlying_blockdevr� r� �message�diskr� �old�newr+ r+ r, �resize_devices� s� �� �� �� �� ��� �� ������� �� �� �� ���� ������{r� r �cfg�cloud�argsc C s� d|vrt �dt� t|d< |�d�}t|t�s t �d� d S |�dd�}t�|�r>|dkr6tj ddd d � t �d |� d S t�|�d d ��rYt j � d�rYt �d� t �d� d S t� |ddg�}t|�slt �d� d S z t||j|d�}W n" ttfy� } zt �d||� |dkr�|�W Y d }~d S d }~ww tjt jdt||fd�} | D ]\} } } | tjkr�t �d| | � q�t �d| | | � q�d S )NrO z.No 'growpart' entry in cfg. Using default: %sz#'growpart' in config was not a dictr r �offz)Growpart's 'mode' key with value '{mode}'z22.2zUse 'off' instead.)� deprecated�deprecated_version� extra_messagezgrowpart disabled: mode=%sr" Fz/etc/growroot-disabledz0growpart disabled: /etc/growroot-disabled existsz&use ignore_growroot_disabled to ignorer! r zgrowpart: empty device list)r- r! z,growpart unable to find resizer for '%s': %sr� )�logfunc�msg�funcr� z'%s' resized: %sz '%s' %s: %s)ri r� �DEFAULT_CONFIG�get� isinstance�dictr� r �is_false� deprecaterS rc rr �get_cfg_option_list�lenr: r- r0 r1 �log_timer� r# r% r� ) r r� r� r� �mycfgr r! r4 rn �resized�entryru r� r+ r+ r, �handle^ s` � � ��� �r� rO rt rz )Crx r� rU r� rS �os.pathrV r� �abcr r � contextlibr �pathlibr �textwrapr �typingr � cloudinitr �loggingr r r �cloudinit.cloudr �cloudinit.configr �cloudinit.config.schemar r �cloudinit.distrosr r �cloudinit.settingsr �MODULE_DESCRIPTIONr r �__annotations__r� r� r# � getLoggerr( ri r� rI r: r� r; r< rL rq ry r` r� r� r� rJ r� r� r� r� r� r. r+ r+ r+ r, �<module> s� &���� � 3 '+7 8�
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