mirror of
https://github.com/librenms/librenms.git
synced 2024-10-07 16:52:45 +00:00
92 lines
3.4 KiB
PHP
92 lines
3.4 KiB
PHP
<?php
|
|
/**
|
|
* Python.php
|
|
*
|
|
* Check that various Python modules and functions exist.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* @link http://librenms.org
|
|
* @copyright 2020 Thomas Berberich
|
|
* @author Thomas Berberich <sourcehhdoctor@gmail.com>
|
|
*/
|
|
|
|
namespace LibreNMS\Validations;
|
|
|
|
use LibreNMS\Config;
|
|
use LibreNMS\Util\Version;
|
|
use LibreNMS\Validator;
|
|
use Symfony\Component\Process\Process;
|
|
|
|
class Python extends BaseValidation
|
|
{
|
|
const PYTHON_MIN_VERSION = '3.4.0';
|
|
|
|
/**
|
|
* Validate this module.
|
|
* To return ValidationResults, call ok, warn, fail, or result methods on the $validator
|
|
*
|
|
* @param Validator $validator
|
|
*/
|
|
public function validate(Validator $validator)
|
|
{
|
|
$version = Version::python();
|
|
|
|
if (empty($version)) {
|
|
$validator->fail('python3 not found', 'Install Python 3 for your system.');
|
|
|
|
return; // no need to check anything else
|
|
}
|
|
|
|
$this->checkVersion($validator, $version);
|
|
$this->checkPipVersion($validator, $version);
|
|
$this->checkExtensions($validator);
|
|
}
|
|
|
|
private function checkVersion(Validator $validator, $version)
|
|
{
|
|
if (version_compare($version, self::PYTHON_MIN_VERSION, '<')) {
|
|
$validator->warn("Python version $version too old.", 'Python version ' . self::PYTHON_MIN_VERSION . ' is the minimum supported version. We recommend you update Python to a supported version.');
|
|
}
|
|
}
|
|
|
|
private function checkPipVersion(Validator $validator, $version)
|
|
{
|
|
preg_match('/\(python ([0-9.]+)\)/', `pip3 --version 2>/dev/null`, $matches);
|
|
$pip = $matches[1];
|
|
$python = implode('.', array_slice(explode('.', $version), 0, 2));
|
|
if ($pip && version_compare($python, $pip, '!=')) {
|
|
$validator->fail("python3 ($python) and pip3 ($pip) versions do not match. This likely will cause dependencies to be installed for the wrong python version.");
|
|
}
|
|
}
|
|
|
|
private function checkExtensions(Validator $validator)
|
|
{
|
|
$pythonExtensions = '/scripts/check_requirements.py';
|
|
$process = new Process([Config::get('install_dir') . $pythonExtensions, '-v']);
|
|
$process->run();
|
|
|
|
if ($process->getExitCode() !== 0) {
|
|
$user = \config('librenms.user');
|
|
$user_mismatch = function_exists('posix_getpwuid') ? (posix_getpwuid(posix_geteuid())['name'] ?? null) !== $user : false;
|
|
|
|
if ($user_mismatch) {
|
|
$validator->warn("Could not check Python dependencies because this script is not running as $user");
|
|
} else {
|
|
$validator->fail("Python3 module issue found: '" . $process->getOutput() . "'", 'pip3 install -r ' . Config::get('install_dir') . '/requirements.txt');
|
|
}
|
|
}
|
|
}
|
|
}
|