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o M�izK � @ s� U d Z ddlZddlZddlZddlZddlZddlmZmZm Z m Z m Z ddl m Z mZmZ ddlmZ ddlmZ ddlmZ ddlmZ d d geg d �Zeed < d ZdZdZ dZ dZ dZ e� e!�Z"dd� Z#dd� Z$dd� Z%dLdd�Z&dLdd �Z'd e(d e e( d ee(e(f d e)fd!d"�Z*dMd#d$�Z+d%e(d&e(d dfd'd(�Z,dNd)d*�Z-d+d,� Z.d e ee( ee(e(f ee( f fd-d.�Z/d/ee ee e( d ee(e(f d0ee(e(f d1ee e( d2ed eee( f d3d4�Z0d/eee( d eee( fd5d6�Z1d/eee( d7e(d ee(e(f d0ee(e(f d2ed eee( f d8d9�Z2d:eee( d eee( fd;d<�Z3d:eee( d dfd=d>�Z4d?e)d@e)dAee( d dfdBdC�Z5dLdDe e( d dfdEdF�Z6dGe(dHed2edIe7d df dJdK�Z8dS )Oz-Mounts: Configure mount points and swap files� N)�Dict�List�Optional�Tuple�cast)� performance�subp�util)�Cloud)�Config)� MetaSchema)� PER_INSTANCE� cc_mounts�all)�id�distros� frequency�activate_by_schema_keys�metaz&^([x]{0,1}[shv]d[a-z][0-9]*|sr[0-9]+)$z^.+:.*z /etc/fstabzcomment=cloudconfig� i @c C s8 | dv rdS dD ]}| � |�r| �d�dkr dS qdS )N)�ami�root�swapT)� ephemeral�ebs�:���F)� startswith�find)�name�enumname� r! �</usr/lib/python3/dist-packages/cloudinit/config/cc_mounts.py�is_meta_device_name, s �r# c C s t �t| �rdS dS )NTF)�re�match�NETWORK_NAME_FILTER)r r! r! r" �is_network_device8 s r' c C sH t |�d|f d|f g}|D ]}d| |f }tj�|�r!| S qd S )Nzp%sz-part%sz%s%s)�str�os�path�exists)� device_path�partition_number�potential_suffixes�suffix�potential_partition_devicer! r! r" � _get_nth_partition_for_device? s � �r1 c C sX t j�| ��d�d }t j�d|�}|d ur&t j�|t j�|��d�d �}t j�|�S )N�/r z /sys/block/)r) r* �realpath�split�joinr+ )r, �partition_path� device_name�sys_pathr! r! r" �_is_block_deviceL s � r9 c C s t �d| � | }|dkrd}t �d� t| �r| S t�|�\}}|}|r5|�||�}||kr5t �d||� t|�rS||�}|sAd S |�d�sKd|f }t �d||� n t� t | �r^d|f }d }|d u rjt |d �}n t ||�}|d u rud S t ||�r�|d ur�|S |S d S ) Nz+Attempting to determine the real name of %sr � ephemeral0z2Adjusted mount option from ephemeral to ephemeral0z Mapped device alias %s to %sr2 z/dev/%sz Mapped metadata name %s to %s� ) �LOG�debugr' r �expand_dotted_devname�getr# r r$ r% �DEVICE_NAME_FILTERr1 r9 )� startname� transformer�aliases�devnamer, r- �origr6 r! r! r" �sanitize_devnameV sF � rF �original� sanitized� fstab_devs�returnc C sP || kr t �d| |� |du rt �d| � dS ||v r&t �d||| � dS dS )z*Get if the sanitized device name is valid.zchanged %s => %sNz+Ignoring nonexistent default named mount %sFz&Device %s already defined in fstab: %sT)r< r= )rG rH rI r! r! r" �sanitized_devname_is_valid� s �rK c C s` | d u r t �� d } | d }d|| d�}|d u r |d u r |}n2|rKt�|�}|j|j }||d< |d u r>tt|d �|�}n||d krJt|d �}n|d u rQ|}||d< | dt k r^| }n| d t k ridt }n t t � | t ��t }t||�}||d < i } |� � D ]\} } t | t�r�d | t | | < q�| | | < q�t�d | d | d | d | d | d � |S )N�total� �na)�avail�max_in�memrO � g�������?�max� �sizez%s MBzCsuggest %s swap for %s memory with '%s' disk given max=%s [max=%s]'rQ rP )r � read_meminfor) �statvfs�f_frsize�f_bfree�min�int�GB�round�math�sqrt�items� isinstance�MBr< r= ) �memsize�maxsize�fsys�sugg_max�inforW rO �minsizerU �pinfo�k�vr! r! r" �suggested_swapsize� sN � �rl �fnamerU c s d� � �fdd�}t j�| �}t�|� t�|�d ��dkr0t�ddd| g� t�d d | g� �d krAt�� d k rA|| |d � n z|| |d� W n tjy^ t � d� || |d � Y nw t j� | �rkt� | d� z t�d| g� W dS tjy� t� | � � w )zSize is in MiB.z6Failed to create swapfile '%s' of size %sMB via %s: %sc s� t �d| �|� |dkrddd| | g}n|dkr%ddd| dd | g}nt�d ��z tj|d d � W d S tjyP } zt �� | |||� t�| � � d }~ww ) Nz3Creating swapfile in '%s' on fstype '%s' using '%s'� fallocatez-lz%sM�ddz if=/dev/zerozof=%szbs=1Mzcount=%sz:Missing dependency: 'dd' and 'fallocate' are not availableT)�capture)r< r= r �ProcessExecutionErrorrg r �del_file)rm rU �method�cmd�e��errmsg�fstyper! r" � create_swap� s4 ��� ��z$create_swapfile.<locals>.create_swapr; �btrfs�truncatez-s�0�chattrz+C�xfs)rR � ro rn z4fallocate swap creation failed, will attempt with ddi� �mkswapN)r) r* �dirnamer � ensure_dir�get_mount_infor �kernel_versionrq r< rg r+ �chmodrr )rm rU ry �swap_dirr! rv r" �create_swapfile� s0 � �r� c C s� t j�| �}t|��� dkr2zt�� d }W n ty% t� d� Y dS w t� |� t |||d�}tt |d ��}|sCt� d� dS t �d�� t| |� W d � | S 1 sYw Y | S ) z� fname: full path string of filename to setup size: the size to create. set to "auto" for recommended maxsize: the maximum size �autorL z)Not creating swap: failed to read meminfoN)re rd rc r z'Not creating swap: suggested size was 0zSetting up swap file)r) r* r� r( �lowerr rV �IOErrorr< r= r� rl r[ r �Timedr� )rm rU rd r� rc �mibsizer! r! r" �setup_swapfile s, � � ��r� c C sZ t | t�s t�d� dS | �dd�}| �dd�}| �dd�}|r"|s)t�d� dS tj�|�rstj�d �s=t�d |� |S z$t � d �� � D ]}|� |d �rYt�d |� | W S qEt�d |� W n t yr t�d|� | Y S w z t |t�r�|dkr�t �|�}t |t�r�t �|�}t|||d�W S t y� } z t�d|� W Y d}~dS d}~ww )zahandle the swap config, calling setup_swap if necessary. return None or (filename, size) z%input for swap config was not a dict.N�filenamez /swap.imgrU r rd zno need to setup swapz /proc/swapsz:swap file %s exists, but no /proc/swaps exists, being safe� zswap file %s already in usez+swap file %s exists, but not in /proc/swapsz.swap file %s exists. Error reading /proc/swapsr� )rm rU rd zfailed to setup swap: %s)ra �dictr< �warningr? r= r) r* r+ r �load_text_file� splitlinesr � Exceptionr( � human2bytesr� )�swapcfgrm rU rd �lineru r! r! r" �handle_swapcfg/ sP � � �� ��r� c C sl g } i }g }t j�t�r1t�t��� D ] }t|v r |�|� q|� � }|r0|||d < | �|� q| ||fS )as Parse /etc/fstab. Parse fstab, ignoring any lines containing "comment=cloudconfig". :return: A 3-tuple containing: - A list of lines exactly as they appear in fstab - A dictionary with key being the first token in the line and value being the entire line - A list of any lines that were ignored due to "comment=cloudconfig" r ) r) r* r+ � FSTAB_PATHr r� r� � MNT_COMMENT�appendr4 )� fstab_linesrI � fstab_removedr� �toksr! r! r" � parse_fstab_ s � r� �mounts�device_aliases�default_fields�cloudc C s� g }| D ]Y}t |t�st�d|� qt|d �}t||j|d�}t|||�r0|g|dd� } n|} t| �D ]\} } | du rE|| | | < q6t| | �| | < q6| |t | �d� 7 } |� | � q|S )a Sanitize mounts to ensure we can work with devices in config. Specifically: - Ensure the mounts configuration is a list of lists - Transform and sanitize device names - Ensure all tokens are strings - Add default options to any lines without options z%Mount option not a list, ignoring: %sr �rC r; N) ra �listr< r� r( rF �device_name_to_devicerK � enumerate�lenr� ) r� rI r� r� r� � updated_linesr� �start�sanitized_devname� updated_line�index�tokenr! r! r" � sanitize_mounts_configurationy s& � r� c C sl g }g }| ddd� D ]#}|d du s|d |v r)t �d|d � |�|d � q |�|� q |ddd� S )z�Remove any entries that have a device name that doesn't exist. If the second field of a mount line is None (not the string, the value), we skip it along with any other entries that came before it that share the same device name. Nr r; r z$Skipping nonexistent device named %s)r< r= r� )r� �actlist� dev_denylistr� r! r! r" �remove_nonexistent_devices� s r� �default_mount_optionsc s� t �| �}ddd|ddgg d�fD ]5� � d }t||j|d�}t|||�s&qtt|�� d< t� fd d �| D ��}|rAt� d |� q|� � � q|S ) zAdd default mounts to the user provided mount configuration. Add them only if no other entry has the same device name r: z/mntr� r| �2)r �noner �swr| r| r r� c 3 s � | ] }|d � d kV qdS )r Nr! )�.0�cfgm�� default_mountr! r" � <genexpr>� s � �z,add_default_mounts_to_cfg.<locals>.<genexpr>z-Not including %s, already previously included) �copy�deepcopyrF r� rK r r( �anyr< r= r� ) r� r� rI r� r� � new_mountsr� rH �default_already_existsr! r� r" �add_default_mounts_to_cfg� s& �� � r� r� c C s dd� | D �S )z=Add "comment=cloudconfig" to the mount options of each entry.c S s8 g | ]}|d d� |d � dt � �g |dd � �qS )N� �,rR )r� �r� �entryr! r! r" � <listcomp>� s *��z add_comment.<locals>.<listcomp>r! �r� r! r! r" � add_comment� s �r� c C s( t dd� | D ��rt�ddg� dS dS )z1Call 'swapon -a' if any entry has a swap fs type.c s s � | ] }|d dkV qdS )rM r Nr! r� r! r! r" r� � s � z*activate_swap_if_needed.<locals>.<genexpr>�swapon�-aN)r� r r� r! r! r" �activate_swap_if_needed� s �r� � uses_systemd� changes_made�dirsc C sf d}|rd}ndd� t �� �� D �}tt|��|��}|r/t�ddg� | r1t�ddg� d S d S d S ) z�Call 'mount -a' if needed. If changes were made, always call 'mount -a'. Otherwise, call 'mount -a' if any of the directories in the mount list are not already mounted. FTc S s h | ] }d |v r|d �qS )� mountpointr! )r� �valr! r! r" � <setcomp>� s �z"mount_if_needed.<locals>.<setcomp>�mountr� � systemctlz daemon-reloadN)r r� �values�bool�set� differencer )r� r� r� �do_mount� mount_pointsr! r! r" �mount_if_needed� s ��r� �ds_remove_entryc s t j�t�sd S tg}| r|�| � ttd�� }|�� }W d � n1 s&w Y g }d}|D ]� t� fdd�|D ��rAd}q1|�� � q1z(|rmttd�� }|� |� W d � n1 s_w Y t � dt� W d S W d S t y� } z t � d|� W Y d }~d S d }~ww ) N�rFc 3 s � | ]}|� v V qd S �Nr! r� �r� r! r" r� s � z cleanup_fstab.<locals>.<genexpr>T�wz%Removed resource disk entries from %sz4Failed to clean resource disk entries from fstab: %s)r) r* r+ r� r� r� �open� readlinesr � writelinesr< rg r� r� )r� �remove_entries�f�lines� new_lines�changedru r! r� r" � cleanup_fstab s4 � ����r� r �cfg�argsc s� |j �� }|r dnd}ddd|ddg}|�d|�}|�dg �}t�d |� t� \} } } |�d i �} t|| | ||�} t| || | |�} t| �} t | �} t |�d i ��}|r^| � |d d d ddg� | sgt�d� dS dd� | D �}dd� | D �}|D ]}zt � |� W qw ty� t �td|� Y qww dd� |D �� dd� | D ��� fdd��D ��fdd�� D � }| �|� dd�| � }t �t|� |r�t�d|� nt�d� t| � t|t|�|� dS )z Handle the mounts configuration.z:defaults,nofail,x-systemd.after=cloud-init.service,_netdevzdefaults,nobootwaitNr� r| r� �mount_default_fieldsr� zmounts configuration is %sr� r r� r� z No modifications to fstab neededc S s g | ]}d � |��qS )� )r5 r� r! r! r" r� K s zhandle.<locals>.<listcomp>c S s" g | ] }|d � d�r|d �qS )r; r2 )r )r� �dr! r! r" r� M s " z Failed to make '%s' config-mountc S � g | ]}|� d d��qS �r� r� ��replace�r� �nr! r! r" r� U � c S r� r� r� r� r! r! r" r� V r� c � g | ] }|� vrd |� ��qS )z- r! )r� �drop)�saddsr! r" r� X s c r� )z+ r! )r� �add)�sdropsr! r" r� X s z%s � zChanges to fstab: %sz No changes to /etc/fstab made.)�distror� r? r< r= r� r� r� r� r� r� r� r r� r� �logexc�extendr5 � write_filer� r� r� r� )r r� r� r� r� r� �hardcoded_defaultsr� r� r� rI r� r� � updated_cfg�swapfile� cfg_linesr� r� �sops�contentsr! )r� r� r" �handle! s` ��� � � �� r r� )NNN)NN)9�__doc__r� �loggingr^ r) r$ �typingr r r r r � cloudinitr r r �cloudinit.cloudr �cloudinit.configr �cloudinit.config.schemar �cloudinit.settingsr r �__annotations__r@ r& r� r� rb r\ � getLogger�__name__r< r# r' r1 r9 rF r( r� rK rl r� r� r� r� r� r� r� r� r� r� r� r� r r! r! r! r" �<module> s� � 1�� � � 9 > (0� � � �� �". �� � �� �"$��� �"
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