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o ;jY` � @ s� d Z ddlZddlZddlZddlZddlZddlZddlZddl Zddl ZdZ dZ zddl Z dZ W n ey; Y nw g d�Zdd� Zd d � Zd d � Zd d� Zdd� Zdd� Zdd� Zdd� Zdd� Zdd� Zdd � Zd d d �ZdS ) a� checkrestart functionality for Debian and Red Hat Based systems Identifies services (processes) that are linked against deleted files (for example after downloading an updated binary of a shared library). Based on checkrestart script from debian-goodies (written by Matt Zimmerman for the Debian GNU/Linux distribution, https://packages.debian.org/debian-goodies) and psdel by Sam Morris. :codeauthor: Jiri Kotlin <jiri.kotlin@ultimum.io> � N� NILinuxRTFT)z ^/var/log/z^/var/local/log/z ^/var/run/z^/var/local/run/z^/tmp/z ^/dev/shm/z^/run/z^/drmz ^/var/tmp/z^/var/local/tmp/z ^/dev/zeroz ^/dev/pts/z^/usr/lib/locale/z^/home/z^.*icon-theme.cachez^/var/cache/fontconfig/z^/var/lib/nagios3/spool/z%^/var/lib/nagios3/spool/checkresults/z^/var/lib/postgresql/z^/var/lib/vdr/z^/[aio]z^/SYSVc C s t rt S dS )z` Only run this module if the psutil python module is installed (package python-psutil). )FzMissing dependency: psutil)� HAS_PSUTIL� r r �M/opt/saltstack/salt/lib/python3.10/site-packages/salt/modules/restartcheck.py� __virtual__P s r c C sH d}| � d�r d}t�d��| �rd}t�d�t��}|�| �r"d}|S )z� Filters file path against unwanted directories and decides whether file is marked as deleted. Returns: True if file is desired deleted file, else False. Args: path: A string - path to file. Fz (deleted)Tz\(path inode=[0-9]+\)$�|)�endswith�re�compile�search�join� LIST_DIRS�match)�path�retZregexr r r �_valid_deleted_fileZ s r c c sF � g } t �� D �]}z |jddgd�}W n t jt jt jfy# Y qw z1tjj� d� |d ���}dt |d � d }t � |�}|�� }W d � n1 sOw Y W n tt jt jt jfye Y qw t�d�}|D ]9}tjj�|�}|�|�} | s~qm| �d �} | s�qmt| �} | s�qm|d |d | d d � f} | | vr�| �| � | V qmzh|D ]c} || } t �| �}g }t j�|�r�|�|� n(t j�|�r�|d kr�tjjj |d d�D ]\}}}|D ] }|�t j� ||�� q�q�|D ] }t|�} | s�q�|d |d |f} | | v�r | �| � | V q�q�W q tt jt jt jf�y Y qw dS )z� Iterates over /proc/PID/maps and /proc/PID/fd links and returns list of desired deleted files. Returns: List of deleted files to analyze, False on failure. �pid�name)�attrsz /proc/{}/maps�/proc/z/fd/Nza^[\da-f]+-[\da-f]+ [r-][w-][x-][sp-] [\da-f]+ [\da-f]{2}:[\da-f]{2} (\d+) *(.+)( \(deleted\))?\n$� r i�����/T)� followlinks) �psutilZ process_iterZas_dictZ NoSuchProcessZ ZombieProcessZ AccessDenied�salt�utils�files�fopen�format�str�os�listdir� readlines�OSErrorr r � stringutils� to_unicoder �groupr �append�readlinkr �isfile�isdirZos_walkr )Z deleted_files�procZpinfo�maps�dirpathr! ZmaplinesZmapline�lineZmatchedr Zvalid�val�linkr( � filenames�rootZ dummy_dirsr r �filenamer r r �_deleted_filesp s� �� � �� �� � � �� ��� ���r4 c C s |s|| }| r |� d� |S d}| rd}|r$|d�t|��7 }|d7 }|rc|d�t|��7 }|D ]}||d 7 }|| d D ]} || d 7 }q?q1|rV|d 7 }|d �|�7 }|rc|d 7 }|d �|�7 }|r�|d �t|��7 }|D ]}||d 7 }|| d D ]} || d 7 }q~qp|S ) a Formats the output of the restartcheck module. Returns: String - formatted output. Args: kernel_restart: indicates that newer kernel is instaled. packages: list of packages that should be restarted. verbose: enables extensive output. restartable: list of restartable packages. nonrestartable: list of non-restartable packages. restartservicecommands: list of commands to restart services. restartinitcommands: list of commands to restart init.d scripts. zSystem restart required.� zSystem restart required. z9Found {} processes using old versions of upgraded files. zThese are the packages: zlOf these, {} seem to contain systemd service definitions or init scripts which can be used to restart them: z: � processes� z" These are the systemd services: z These are the initd scripts: zT These processes {} do not seem to have an associated init script to restart them: )r' r �lenr ) �kernel_restart�packages�verbose� restartable�nonrestartable�restartservicecommands�restartinitcommandsr �package�programr r r �_format_output� sP � � � � �rB c C s� t d d�} g }g }| �� D ]}|�|� qz|d }W n ty) |d }Y nw |�d�}t d d| �}|�� D ]}|�d�rN|�d�}|�|� nq;td d krx|d �d d �}|d d |d }|d d |d }|� ||g� |S )�� Last installed kernel name, for Debian based systems. Returns: List with possible names of last installed kernel as they are probably interpreted in output of `uname -a` command. �cmd.runz#dpkg --get-selections linux-image-*���r z installzapt-cache policy z Installed: r ZUbuntu�.� z -generic #z -lowlatency #) �__salt__� splitlinesr' � IndexError�rstrip� startswith�strip� __grains__�rsplit�extend) Zkernel_get_selections�kernels�kernel_versionsr. �kernelZkernel_get_versionZkernel_vZkernel_ubuntu_genericZkernel_ubuntu_lowlatencyr r r �_kernel_versions_debian s0 � � rT c C s` t d d�} g }g }| �� D ] }d|v r|�|� q|d �dd�d }|�d�}|�|� |S )�� Name of the last installed kernel, for Red Hat based systems. Returns: List with name of last installed kernel as it is interpreted in output of `uname -a` command. rD zrpm -q --last kernelzkernel-r � rG )rH rI r' �splitrM )Zkernel_get_lastrQ rR r. rS r r r �_kernel_versions_redhat3 s � rX c C s� d} dd� }t �d�dkr7dt �d�v r2d}d }d }td d �||�� td d |� �� ||�} n%|d�} n dt �d�v rKtj�t�d���d�} n tj�t�d���d�} | du r]g S | gS )rC Nc S s8 d}t d d| � ��}t�||�}|du rdS |�d�S )zS Get kernel version from a binary image or None if detection fails z [0-9]+\.[0-9]+\.[0-9]+-rt\S+rD zstrings Nr )rH r r r& )ZkbinZkvregexZkernel_stringsZ re_resultr r r �_get_kver_from_binR s z2_kernel_versions_nilrt.<locals>._get_kver_from_binZlsb_distrib_idZnilrt�arm�cpuarchz/boot/linux_runmode.itbz/var/volatile/tmp/uImage.gzz/var/volatile/tmp/uImagerD z+dumpimage -i {} -T flat_dt -p0 kernel -o {}z gunzip -f z/boot/runmode/bzImagez /boot/uImagezuImage-z /boot/bzImagezbzImage-) rN �getrH r r r �basenamer( rM )ZkverrY Zitb_pathZcompressed_kernelZuncompressed_kernelr r r �_kernel_versions_nilrtH s& �� r^ c C s4 |d }|t tt�� d ��| k rtj�d��dS )rU i`� �� zTimeout expired.N)�int�round�timer � exceptions� TimeoutError)� start_time�timeoutZtimeout_milisecr r r �_check_timeouty s �rg c C s� d}t j�| �}t j�||� d��}t j�||� d��}t j�|�r(t j�|�s*dS td |��� }ttt j� | ���}||krBdS t td d|� �dd ��S ) a; Detect whether a file changed in an NILinuxRT system using md5sum and timestamp files from a state directory. Returns: - True if either md5sum/timestamp state files do not exist, or the file at ``full_filepath`` was touched or modified. - False otherwise. � /var/lib/salt/restartcheck_statez .timestampz.md5sumTz file.readz cmd.retcodez md5sum -cs �quiet)Zoutput_loglevel) r r r] r �existsrH rK r r` �getmtime�bool)Z full_filepathZ rs_state_dir� base_filenameZtimestamp_fileZ md5sum_fileZprev_timestampZ cur_timestampr r r �_file_changed_nilrt� s �rn c C s | dur t d| � d��S dS )ai Once a NILRT kernel module is inserted, it can't be rmmod so systems need rebooting (some modules explicitly ask for reboots even on first install), hence this functionality of determining if the module state got modified by testing if depmod was run. Returns: - True if modules.dep was modified/touched, False otherwise. Nz /lib/modules/z /modules.depF)rn )Z kernelversionr r r � _kernel_modules_changed_nilrt� s ro c C s� d} t j�| �rt| �rdS d}d�dt�d�v rdnd�}t j�|�rw|� d �}t j�|�s1dS tjj � |d ��"}t t � |��}t |�� �}||krT W d � dS W d � n1 s^w Y t � |�D ]}t|� d |� ��rv dS qhd S )a* Besides the normal Linux kernel driver interfaces, NILinuxRT-supported hardware features an extensible, plugin-based device enumeration and configuration interface named "System API". When an installed package is extending the API it is very hard to know all repercurssions and actions to be taken, so reboot making sure all drivers are reloaded, hardware reinitialized, daemons restarted, etc. Returns: - True if nisysapi .ini files were modified/touched. - False if no nisysapi .ini files exist. z%/usr/local/natinst/share/nisysapi.iniTrh z$/usr/lib/{}/nisysapi/conf.d/experts/rZ r[ zarm-linux-gnueabizx86_64-linux-gnuz/sysapi.conf.d.count�rNr F)r r rj rn r rN r\ r r r r r8 r! r` �read)Z nisysapi_pathZrestartcheck_state_dirZnisysapi_conf_d_pathZ rs_count_fileZfcountZcurrent_nb_filesZrs_stored_nb_filesZfexpertr r r �_sysapi_changed_nilrt� s4 �� � ��rr c * K s� t jjjd?i |��}ttt�� d ��}d}|�dd�}|�dd�}t� d�dkr5dd g}d } d } t � } n)t� d�d krHd dg}d} d} t � } nt� d�t krYddg}d} t � } nddd�S td d�} | D ]'} t||� | | v r�t� d�dkr�t| �s�t� s�td � s�d} nqfd} nqfi }i }g }| r�t| t�s�| g} ndd g} |r�t|t�s�|g}ng }|r�t|t�s�|g}ng }td � D ]}t||� td |�}d |v r�t|d �||< q�i }t� D ]�}|du r�dd d� S t||� |d! |d" |d# }}}||v �s ||v �r q�z t�d$|� d%��}W n t�y& |�|� Y q�w z|| }W n t�yF td& |�}|�s@|}|||< Y nw |D ]#}t||� ||v�rk||| k�rk|�rk|| v�rk|�|� |}�qI|�r�|| v�r�d't|� d( | d) t|� d* }||v�r�g g |g|d+�||< q�||| d, v�r�|| d, �|� q�|�s�|�s�d-S |D ]�} t||� |d.d.� } | �| � tj | tj d/�} t||� t jj � | j �!� �} | �s�n�| d.d0� } | �"d1��r| �#d2��s|| d3 �| d4d.� � tj$�%| ��rd| �"| ��rd| �#d5��rd| �&d6�d0k�rdd}!z t jj'�(| �}"W n t�y2 Y �q�w t)| �}#|"�*� D ]} t jj � | �} | �&d7�d!k�rNd}!�q;|"�+� |!�sd|| d8 �| |#d.� � t,j �-� �q�| j �+� �q�|D ]L} t||� || d8 �s�|| d3 �s�td9 || d: �}|�r�tj$�%d1|| d: ��r�|| d3 �|| d: � �qt|| d8 �|| d: � �qtg }$g }%g }&g }'|D ]U} t||� || d3 �r�|$�| � |&�.d;d<� || d3 D �� n || d8 �r|$�| � |'�.d=d<� || d8 D �� n|%�| � || d: |v �r |�/|| d: � �q�|D ]}(t||� |'�.d>|( g� �q#t0||||$|%|'|&�})|)S )@a� Analyzes files openeded by running processes and seeks for packages which need to be restarted. Args: ignorelist: string or list of packages to be ignored. blacklist: string or list of file paths to be ignored. excludepid: string or list of process IDs to be ignored. verbose: boolean, enables extensive output. timeout: int, timeout in minute. Returns: Dict on error: ``{ 'result': False, 'comment': '<reason>' }``. String with checkrestart output if some package seems to need to be restarted or if no packages need restarting. .. versionadded:: 2015.8.3 CLI Example: .. code-block:: bash salt '*' restartcheck.restartcheck r_ Tr; rf � Z os_familyZDebianz dpkg-queryz --listfilesz/lib/systemd/system/z /bin/systemdZRedHatZ repoqueryz-lz/usr/lib/systemd/system/z/usr/bin/systemctlZopkgr r5 FzGOnly available on Debian, Red Hat and NI Linux Real-Time based systems.)�resultZcommentrD zuname -ar z$system.get_reboot_required_witnessedZscreen�systemdzservice.get_runningz service.showZ ExecMainPIDz;Could not get list of processes. (Do you have root access?)r rG r r z/exez pkg.owner� rV z (file: �))� initscripts�systemdservicer6 � process_namer6 z)No packages seem to need to be restarted.N)�stdout���z /etc/init.d/z.shrx � z.servicez.wantsz Type=oneshotry zservice.availablerz c S s g | ]}d | d �qS )zservice z restartr ��.0�sr r r � <listcomp>� s z restartcheck.<locals>.<listcomp>c S s g | ]}d | �qS )�systemctl restart r r~ r r r r� � s r� r )1r r �argsZ clean_kwargsr` ra rb �poprN r\ rT rX �NILRT_FAMILY_NAMEr^ rH rg ro rr � isinstance�listr4 r r( r# r' �KeyErrorr � subprocess�Popen�PIPEr$ r% r{ �readlinerL r r rj �findr r r8 r" �close�sys�flushrP �removerB )*Z ignorelistZ blacklistZ excludepid�kwargsre r9 r; rf Z cmd_pkg_queryZsystemd_folderru rR Zkernel_currentrS r: Zrunning_servicesZrestart_servicesZserviceZ service_showZ owners_cacheZ deleted_filer r r r( Z packagenameZrunning_servicerA r@ �cmd�pathsr. ZpthZ is_oneshotZ servicefileZ sysfold_lenr< r= r? r> Zrestart_servicer r r r � restartcheck� s� � ����� � � � � � � � �$ �� ���� �$ � � � �� � � � � r� )NNN) �__doc__r r r� r� rb Zsalt.exceptionsr Zsalt.utils.argsZsalt.utils.filesZsalt.utils.pathr� r r � ImportErrorr r r r4 rB rT rX r^ rg rn ro rr r� r r r r �<module> s> �. VG&1 *
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