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Add a more granular container detection (#2501)

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Add a more granular container detection

Replace is_in_container by  get_container_info
Currently detect Official container (once they update a version with a tagfile) and LinuxServer container
All other container are marked as Unknown

Report two field :
- container_type ( none | Official | LinuxServer | Unknown
- container_version ( build Version number like 16.2.0a, only reported if Official container is detected )
This commit is contained in:
RushLana
2026-01-14 13:00:14 +01:00
committed by GitHub
parent c614efd33c
commit 5563ea98fd
3 changed files with 82 additions and 31 deletions
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100
include/functions.inc.php
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@@ -2541,12 +2541,16 @@ function send_piwigo_infos()
conf_update_param('send_piwigo_infos_origin_hash', sha1(random_bytes(1000)), true);
}
list($container_type, $container_version) = get_container_info();
$piwigo_infos = array(
'origin_hash' => $conf['send_piwigo_infos_origin_hash'],
'technical' => array(
'php_version' => PHP_VERSION,
'piwigo_version' => PHPWG_VERSION,
'os_version' => PHP_OS.((is_in_container()) ? ' (container)' : ''),
'os_version' => PHP_OS,
'container_type' => $container_type,
'container_version' => $container_version,
'db_version' => pwg_get_db_version(),
'php_datetime' => date("Y-m-d H:i:s"),
'db_datetime' => $db_current_date,
@@ -2555,6 +2559,7 @@ function send_piwigo_infos()
'general_stats' => get_pwg_general_statitics(),
);
// convert disk_usage from kB to mB
$piwigo_infos['general_stats']['disk_usage'] = intval($piwigo_infos['general_stats']['disk_usage'] / 1024);
@@ -3020,39 +3025,74 @@ function pwg_unique_exec_ends($token_name)
/**
*
* Detect if Piwigo is running in a containerized environment
* Assume all containers are Linux based
* Doesn't differentiate between VMs and bare metal installs
* Assume all containers are Linux based and don't enforce php open_basedir rules
* Doesn't differentiate between VMs, Mutual hosting and bare metal installs
*
* Possible values :
* ('none',null) => PHP is not running in a container
* ('Official',<VersionCode>) => PHP is running in a official container
* ('LinuxServer',<VersionCode>) => PHP is running in a LinuxServer container
* ('Unknown',null) => PHP is running in a non-identified container
*
* @since 16
* @since 16.3
*
* @return bool
* @return array(string, ?string)
*/
function is_in_container()
function get_container_info()
{
if (strtoupper(substr(PHP_OS, 0, 5)) === 'LINUX' and empty(ini_get('open_basedir')))
{
if (file_exists('/proc/2/sched')) // Check if PID2 exist
{
$line = file_get_contents('/proc/2/sched'); // Read PID2 name
if (false == $line )
{
return false;
}
else
{
// If PID2 name is not kthreadd, piwigo is running in a container
return !('kthreadd' === substr( $line, 0, 8 ));
}
}
else
{
return true;
}
}
else
{
return false;
}
// Check if OS is Linux and PHP doesn't restrict opening files
if ((strtoupper(substr(PHP_OS, 0, 5)) === 'LINUX' and empty(ini_get('open_basedir'))))
{
if (file_exists('/proc/2/sched')) // Check if PID2 exist
{
$file = file_get_contents('/proc/2/sched'); // Read PID2 name
if ($file and 'kthreadd' === substr( $file, 0, 8 ))
{ // If PID 2 is kthreadd PHP is not running in a container
return array('none', null);
}
}
// PHP is running in a container, trying to determine container type
$info_file_path = '/var/www/html/piwigo-docker.info';
$info_file_linuxserver = '/build_version';
// Check for official container tagfile
if (is_readable($info_file_path))
{
$file_lines = @file($info_file_path);
if (is_array($file_lines) and 'Official Piwigo container' === trim($file_lines[0]))
{
$container_version = null;
// Take the last line and remove prefix (Build Version)
if (preg_match('/^Build Version (.*)$/', $file_lines[count($file_lines)-1], $matches))
{
$container_version = $matches[1];
}
return array('Official', $container_version);
}
}
// Check for LinuxServer tagfile
elseif (is_readable($info_file_linuxserver))
{
$file_lines = file($info_file_linuxserver);
if (is_array($file_lines) and 'Linuxserver.io' === substr($file_lines[0], 0, 14))
{
$container_version = null;
if (preg_match('/version:\s*(.*)$/', $file_lines[0], $matches))
{
$container_version = $matches[1];
}
return array('LinuxServer.io', $container_version);
}
}
// If no tagfile are found, default to unkown
return array('Unknown', null);
}
else
{
// If the OS is not Linux or PHP basedir are enforced, assume PHP is not in a container
return array('none', null);
}
}
?>