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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| #!/usr/bin/env php | ||
| <?php | ||
|
|
||
| function stringtobytes($amount) { | ||
| // convert "256M" etc to bytes | ||
| switch(strtolower(substr($amount, -1))) { | ||
| case 'g': | ||
| $amount = (int)$amount * 1024; | ||
| case 'm': | ||
| $amount = (int)$amount * 1024; | ||
| case 'k': | ||
| $amount = (int)$amount * 1024; | ||
| default: | ||
| $amount = (int)$amount; | ||
| } | ||
| return $amount; | ||
| } | ||
|
|
||
| // if given, parse FPM configs as well to figure out the memory limit | ||
| // (it may have been set in the FPM config or config include) | ||
| function get_fpm_memory_limit($fpmconf, $startsection = "global") { | ||
| if(!is_readable($fpmconf)) { | ||
| return array(); | ||
| } | ||
| $fpm = parse_ini_string("[$startsection]\n".file_get_contents($fpmconf), true); // prepend section from parent so stuff is parsed correctly in includes that lack a leading section marker | ||
|
|
||
| $retval = array(); | ||
|
|
||
| foreach($fpm as $section => $directives) { | ||
| foreach($directives as $key => $value) { | ||
| if($section == "www" && $key == "php_admin_value" && isset($value['memory_limit'])) { | ||
| $retval['php_admin_value'] = $value['memory_limit']; | ||
| } elseif($section == "www" && $key == "php_value" && isset($value['memory_limit']) && !isset($retval['php_value'])) { | ||
| // an existing value takes precedence | ||
| // we can only emulate that for includes; within the same file, the INI parser overwrites earlier values :( | ||
| $retval['php_value'] = $value['memory_limit']; | ||
| } elseif($key == "include") { | ||
| // values from the include don't overwrite existing values | ||
| $retval = array_merge(get_fpm_memory_limit($value, $section), $retval); | ||
| } | ||
|
|
||
| if(isset($retval['php_admin_value'])) { | ||
| // done for good as nothing can change this anymore, bubble upwards | ||
| return $retval; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return $retval; | ||
| } | ||
|
|
||
| $opts = getopt("y:t:"); | ||
|
|
||
| $limits = get_fpm_memory_limit(isset($opts["y"]) ? $opts["y"] : null); | ||
|
|
||
| if( | ||
| !$limits /* .user.ini memory limit is ignored if one is set via FPM */ && | ||
| isset($opts['t']) && | ||
| is_readable($opts['t'].'/.user.ini') | ||
| ) { | ||
| // we only read the topmost .user.ini inside document root | ||
| $userini = parse_ini_file($opts['t'].'/.user.ini'); | ||
| if(isset($userini['memory_limit'])) { | ||
| $limits['php_value'] = $userini['memory_limit']; | ||
| } | ||
| } | ||
|
|
||
| if(isset($limits['php_admin_value'])) { | ||
| ini_set('memory_limit', $limits['php_admin_value']); | ||
| } elseif(isset($limits['php_value'])) { | ||
| ini_set('memory_limit', $limits['php_value']); | ||
| } | ||
|
|
||
| $limit = ini_get('memory_limit'); | ||
| $ram = stringtobytes($argv[$argc-1]); // last arg is the available memory | ||
|
|
||
| // assume 64 MB base overhead for web server and FPM, and 1 MB overhead for each worker | ||
| echo floor(($ram-stringtobytes('64M'))/(stringtobytes($limit)+stringtobytes('1M'))) . " " . $limit; | ||
|
|
||
| ?> |
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