The documentation at https://book.cakephp.org/4/en/core-libraries/logging.html#logging-to-syslog recommends logging to Syslog in production by adding the following snippet to config/bootstrap.php
Log::setConfig('default', [
'engine' => 'Syslog'
]);
If you add a prefix to the config then you can grep or filter by SYSLOG_IDENTIFIER
Log::setConfig('default', [
'engine' => 'Syslog',
'prefix' => 'cakephp-dev'
]);
Then use journalctl to view the CakePHP logs filtered by the prefix
# grep
journalctl -e | grep cakephp-dev
# filter by prefix value set in config
journalctl SYSLOG_IDENTIFIER=cakephp-dev
# see all the fields in KEY=VALUE format you can use verbose and filter by all sorts of keys.
journalctl -o verbose -e SYSLOG_IDENTIFIER=cakephp-dev
# output
Wed 2023-01-11 02:28:19.615991 UTC [s=1220877691a64abc83752e36d1411f47;i=18bd3e;b=762c830fc3a945eaaa464ab9e9b0b2ea;m=3fd607d9c6;t=5f1f3c0ec5d26;x=6cb0d10db7f6476b]
_TRANSPORT=syslog
_SELINUX_CONTEXT=unconfined
_SYSTEMD_SLICE=system.slice
_MACHINE_ID=b3f558bdd7b146148e28f41f32c34d7b
_HOSTNAME=tgn-wms-vm01
_CAP_EFFECTIVE=0
PRIORITY=4
_BOOT_ID=762c830fc3a945eaaa464ab9e9b0b2ea
SYSLOG_FACILITY=1
MESSAGE=warning: DebugKit is disabling itself as your host `ofsnsw.100pbc.com.au` is not in the known safe list of top-level-domains (localhost, invalid, test, example, local). If you would like to force >
_PID=47409
_UID=33
_GID=33
_COMM=php-fpm8.1
_EXE=/usr/sbin/php-fpm8.1
_CMDLINE="php-fpm: pool www" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" ">
_SYSTEMD_CGROUP=/system.slice/php8.1-fpm.service
_SYSTEMD_UNIT=php8.1-fpm.service
_SYSTEMD_INVOCATION_ID=0de3502228954139b7ceb0c999ec8710
SYSLOG_IDENTIFIER=cakephp-dev
SYSLOG_TIMESTAMP=Jan 11 02:28:19
_SOURCE_REALTIME_TIMESTAMP=1673404099615991
If you don’t want to globally replace the logging config as above you can omit adding the above setConfig snippet and you can change config/app.php and replace FileLog::class with SyslogLog::class
<?php
use Cake\Log\Engine\SyslogLog;
$prefix = 'cakephp-dev';
return [
// ... snippage
'Log' => [
'debug' => [
'prefix' => $prefix,
'className' => SyslogLog::class,
'path' => LOGS,
'file' => 'debug',
'url' => env('LOG_DEBUG_URL', null),
'scopes' => false,
'levels' => ['notice', 'info', 'debug'],
],
'error' => [
'prefix' => $prefix,
'className' => SyslogLog::class,
'path' => LOGS,
'file' => 'error',
'url' => env('LOG_ERROR_URL', null),
'scopes' => false,
'levels' => ['warning', 'error', 'critical', 'alert', 'emergency'],
],
// To enable this dedicated query log, you need set your datasource's log flag to true
'queries' => [
'prefix' => $prefix,
'className' => SyslogLog::class,
'path' => LOGS,
'file' => 'queries',
'url' => env('LOG_QUERIES_URL', null),
'scopes' => ['queriesLog'],
],
//... snippage
],
];
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