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Create symlink link_path -> link_value if it does not exist or
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:param link_value: path that symlink should point to (symlink value)
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Read file and return file's lines
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Write lines to file
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Delete line from file. Return True when line(s) have been deleted, False otherwise (specified line is not found)
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Check whether current user is effectively root and exit if not
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Detects is EA4 installed
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Grep pattern in file
:param multiple_search: if True - search all match,
False - search first match
:param pattern: pattern for search
:param path: path to file
:param data_from_file: read data from file for parsing
:param fixed_string: if True - search only fixed string,
False - search by regexp
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find a member in xml by name and return value
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This function is written for detect file system in which file is stored on.
E.g., the file can be stored in NFS and this can affect the normal operation of the file.
We want to receive information about FS in emergency situations during reading or writing
:param file_path: path to file, for which we want to detect file system
:return: dict, which contains two keys:
key 'success' can be equals to False if we got error or True if we got normal result
key 'details' can contais error string if key 'success' is False or result if key 'success' is True
FzFile "%s" isn't exists)�success�detailsz%df %s | tail -n 1 | awk '{print $NF}'Tz /bin/bash)�shell�
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Checks if testing is enabled in /etc/yum.repos.d/cloudlinux.repo config
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Returns cl version taking into account release version
E.g: release = 2.6.32-896.16.1.lve1.4.54.el6.x86_64
el6 = cl6
el8 = cl8
........
ubuntu+cl_extesions = cl8
:return appropriate version string
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Returns virtualization type on current system.
It is reachable via virt-what utility.
E.g.: 'kvm', 'bhyve', 'openvz', 'qemu'
All acceptable outputs are listed here:
https://people.redhat.com/~rjones/virt-what/virt-what.txt
Output will be returned with at least two rows
Sample:
> kvm
>
Furthermore, there is a possibility for multiple text rows
Sample:
> xen
> xen-domU
That's why, the result will be taken from a first row.
If the output is empty, and there were no errors, the machine
is either non-virtual, or virt-what tool isn't familiar with it's
hypervisor. But the list of supported hypervisors and containers
covers all popular VMs types.
:return: virt_type - Optional[AnyStr]
- appropriate virtualization type string,
- 'physical' if there is no virtualization,
- None if there was an error
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Checks for a process existence by os.kill command
If os.kill will be used as os.kill(pid, 0), it will
just check for a presence of such PID
And if such pid can't be reached with kill method,
there will be raised OSError
r FTN)r �killr )rv r r r � check_pidb s
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r> Y nX W dQ R X dS )z�Check if process running using pid file
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Detects that server works under Litespeed.
Note: be careful when modifying this method.
It is used in X-Ray, ask @dkavchuk or someone else from C-Projects team
for details.
return: True - LS working; False - LS not running (stopped or absent)
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r� c C s d} t | �S )zHCheck if nginx is running
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Return proper passenger package according to apache version
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Pick the package manager to check depending on the OS.
If we're not on Ubuntu, assume a CL variant with RPM.
:return: Error string, if any, None otherwise.
N)r �get_apt_db_errors�get_rpm_db_errorsr r r r �get_package_db_errors� s r� c
C sx yHt jddgdt jt jdd�} | �� \}}| jdkrFd|� d|� d �S W n* ttfk
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Check the dpkg DB as described in https://man7.org/linux/man-pages/man1/dpkg.1.html
See `--audit`.
:return: Error string, if any, None otherwise.
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Check RPM DB as described in https://access.redhat.com/articles/3763
:return: None - No RPM DB errors
string_message - Error description
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Upon process exit, Sentry sometimes prints:
Sentry is attempting to send 1 pending error messages
Waiting up to 10 seconds
Press Ctrl-C to quit
This causes broken JSON in output.
See also this issue: https://github.com/getsentry/raven-python/issues/904
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Create directories with desired permissions
Changed in version 3.7: The mode argument no longer affects
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Because it we use umask while creating dirs
:param mod: desired permissions
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Check user existence in the system
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Check uid existence in the system
FT)r� �getpwuidr9 )r� r r r �is_uid_present1 s
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Check that file by path is socket
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Get number of system run level by command `runlevel`.
z/sbin/runlevelTz /bin/bash)r[ r\ rU � �S)r^ r_ r` rt rz )�outputrK �levelr r r �get_system_runlevelI s r� )� service_namerP c C s� t � }y tjd| � �dddd�}W n tjtfk
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Returns state of a service (present and enabled) for init.d system.
Returns False, False if a service doesn't exist
Returns True, False if a service exists and it's not enabled
Returns True, True if a service exists and it's enabled
z LANG=C /sbin/chkconfig --list Tz /bin/bash)r[ r\ rU )FFr� N�:Zonr )TF)r� r^ r_ ra rs r` rt rz )r� Zrunlevelr� Z output_listZ
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state_listZ is_activeZstate_runlevelr r r �#_get_service_state_on_init_d_system\ s" r� c C s� y t jd| � d�ddd� dS t jtfk
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Returns state of service (present and enabled) for systemd system
Returns False, False if a service doesn't exist
Returns True, False if a service exists and it's not enabled
Returns True, True if a service exists and it's enabled
z /usr/bin/systemctl is-enabled z
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check_callra rs r� ZDEVNULLr� r� )r� �pr r r �$_get_service_state_on_systemd_system~ s(
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Returns state of service (present and enabled)
:param service_name: name of a service
rj )r� )rp r� r� )r� Zcl_verZ
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is_enabledr r r � service_is_enabled_and_present� s r� )�process_file_path� strict_matchrP c C s~ t j�| �s td| � d���x\t�dg�D ]L}y.|s@| |�� ksV|rZ| d�|�� �krZdS W q* tjk
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Check that a file in path is running.
You can get false-postive if parameter `strict_match` == False, process is
not running, but someone on server open file by path `process_file_path`
in an editor
:param process_file_path: path to a file which is run
:param strict_match: we use parameter `process_file_path` as full cmd line
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:return: True if it's running, False - is not,
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Getting string representation of weekday from datetime.datetime or datetime.date.
Returns shortened version of weekday from WEEK_DAYS.
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Helper to parse httpd config for details about mpm module used
:param config_path: path for configuration file with modules
:param apache_module_name: expected mpm module. Can be `event`,
`worker`, `prefork`
:param param_name: name of parameter to find
:param default: default value for parameter, if there won't be record
:return: tuple with param value and text result of operation
Example of config file content:
<IfModule mpm_prefork_module>
.................
MaxRequestWorkers 450
</IfModule>
--
<IfModule mpm_worker_module>
.................
MaxRequestWorkers 300
</IfModule>
--
<IfModule mpm_event_module>
.................
MaxRequestWorkers 2048
</IfModule>
z<IfModule mpm_z_module>FTz </IfModule>)rI rH rJ c s" g | ]}|� � �� �r|� � �qS r )r` rA )r+ Z directive)r� r r r. s z/find_module_param_in_config.<locals>.<listcomp>NZOKr z.MaxRequestWorkers directive not found for mpm_z_module module in r3 r� )r% r` �append�listrL rt rz )
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Return kmodlve module's version.
Content of '/sys/module/kmodlve/version' looks like '2.0-30.el8'.
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Find out if system has version of the kernel
(according to kmodlve module's version)
where fs.proc_can_see_other_uid and hidepid options are synchronized.
They are only synchronized if kmodlve module's version
is equal to version in synced_kmodlve_versions.
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cl_versionZsynced_versionZcurrent_versionr r r �)proc_can_see_other_uid_and_hidepid_synced? s r� )� pid_filenamerP c
C sZ y6t | d��"}t|�� �� �}t�|d� W dQ R X W n tttfk
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Detrmines working daemon process pid
:param pid_filename: PID filename
:return: PID from file or None if error (file not found, etc)
r r N) r! rz rf r` r rw r rV r{ )r� �pfrv r r r �get_process_pidR s
r� )r� c C s* t | d��}|�t�� � � W dQ R X dS )z
Writes pid file
zw+N)r! �writer �getpid)r� r� r r r �write_pid_fileb s r� c C s, yt �| � W n ttfk
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Remove PID file
N)r �remover rV )r� r r r �remove_pid_filej s r� c s � �fdd�}|S )a
Set user's real uid and gid to specified ones.
Checking equality of real and effective uids is needed
because this function may be used by root
with effective uid dropped to user's uid.
In that case it is needed to set effective uid back to 0 first.
c s: t �� } t �� }| |kr"t �| � t �� � t ��� d S )N)r �getuidr4 �seteuid�setgid�setuid)Zreal_uidZeff_uid)�gidr� r r �func} s
zdemote.<locals>.funcr )r� r� r� r )r� r� r �demotet s
r� )�dirpathrP c C sv t j�| �s td| � d���dd| g}t|�}y |�d�d }|�d�d }W n" tk
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Get mount point for dirpath directory from output of `df` utility
z Directory "z" does not existz/bin/dfz-hr) r� r� r3 z)Utility "df" returned unexpected output:
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