95 lines
3.8 KiB
PHP
95 lines
3.8 KiB
PHP
<?php
|
|
|
|
namespace KTXC\Logger;
|
|
|
|
use Psr\Log\LoggerInterface;
|
|
use Psr\Log\LogLevel;
|
|
|
|
/**
|
|
* PSR-3 logger that writes via PHP's built-in syslog() facility.
|
|
*
|
|
* Each message is prefixed with "[channel] " so entries can be filtered easily
|
|
* in /var/log/syslog (or equivalent) or via journalctl -t {ident}.
|
|
*/
|
|
class SyslogLogger implements LoggerInterface
|
|
{
|
|
/** Maps PSR-3 levels to PHP syslog priority constants */
|
|
private const PRIORITY = [
|
|
LogLevel::EMERGENCY => LOG_EMERG,
|
|
LogLevel::ALERT => LOG_ALERT,
|
|
LogLevel::CRITICAL => LOG_CRIT,
|
|
LogLevel::ERROR => LOG_ERR,
|
|
LogLevel::WARNING => LOG_WARNING,
|
|
LogLevel::NOTICE => LOG_NOTICE,
|
|
LogLevel::INFO => LOG_INFO,
|
|
LogLevel::DEBUG => LOG_DEBUG,
|
|
];
|
|
|
|
public function __construct(
|
|
private readonly string $ident = 'ktrix',
|
|
private readonly int $facility = LOG_USER,
|
|
private readonly string $channel = 'app',
|
|
) {}
|
|
|
|
public function emergency($message, array $context = []): void { $this->log(LogLevel::EMERGENCY, $message, $context); }
|
|
public function alert($message, array $context = []): void { $this->log(LogLevel::ALERT, $message, $context); }
|
|
public function critical($message, array $context = []): void { $this->log(LogLevel::CRITICAL, $message, $context); }
|
|
public function error($message, array $context = []): void { $this->log(LogLevel::ERROR, $message, $context); }
|
|
public function warning($message, array $context = []): void { $this->log(LogLevel::WARNING, $message, $context); }
|
|
public function notice($message, array $context = []): void { $this->log(LogLevel::NOTICE, $message, $context); }
|
|
public function info($message, array $context = []): void { $this->log(LogLevel::INFO, $message, $context); }
|
|
public function debug($message, array $context = []): void { $this->log(LogLevel::DEBUG, $message, $context); }
|
|
|
|
public function log($level, $message, array $context = []): void
|
|
{
|
|
// Extract tenant id injected by TenantAwareLogger; default to 'system'.
|
|
$tenantId = isset($context['__tenant']) && is_string($context['__tenant'])
|
|
? $context['__tenant']
|
|
: 'system';
|
|
unset($context['__tenant']);
|
|
|
|
$level = strtolower((string) $level);
|
|
$priority = self::PRIORITY[$level] ?? LOG_DEBUG;
|
|
|
|
$interpolated = $this->interpolate((string) $message, $context);
|
|
$contextStr = empty($context) ? '' : ' ' . $this->encodeContext($context);
|
|
|
|
$entry = sprintf('[%s] [%s] %s%s', $this->channel, $tenantId, $interpolated, $contextStr);
|
|
|
|
openlog($this->ident, LOG_NDELAY | LOG_PID, $this->facility);
|
|
syslog($priority, $entry);
|
|
closelog();
|
|
}
|
|
|
|
private function interpolate(string $message, array $context): string
|
|
{
|
|
if (!str_contains($message, '{')) {
|
|
return $message;
|
|
}
|
|
$replace = [];
|
|
foreach ($context as $key => $val) {
|
|
if (!is_array($val) && !is_object($val)) {
|
|
$replace['{' . $key . '}'] = (string) $val;
|
|
}
|
|
}
|
|
return strtr($message, $replace);
|
|
}
|
|
|
|
private function encodeContext(array $context): string
|
|
{
|
|
$clean = [];
|
|
foreach ($context as $k => $v) {
|
|
if ($v instanceof \Throwable) {
|
|
$clean[$k] = ['type' => get_class($v), 'message' => $v->getMessage()];
|
|
} elseif (is_resource($v)) {
|
|
$clean[$k] = 'resource(' . get_resource_type($v) . ')';
|
|
} elseif (is_object($v)) {
|
|
$clean[$k] = method_exists($v, '__toString') ? (string) $v : ['object' => get_class($v)];
|
|
} else {
|
|
$clean[$k] = $v;
|
|
}
|
|
}
|
|
return json_encode($clean, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) ?: '{}';
|
|
}
|
|
}
|