yfix/yf

<?php

ini_set('display_errors', 'off');
error_reporting(0);

$required = [
//    'memcached',
    'nginx',
//    'apache2',
//    'sphinxsearch',
//    'mysqld',
    'php5-fpm',
    'memcached_connect',
//    'sphinxsearch_connect',
    'mysqld_connect',
];
$sphinxsearch_host = '127.0.0.1:3308';
$mysql_user = 'root';
$mysql_pswd = '123456';

foreach ((array) $required as $name) {
    $is_alive = false;
    $self_failed = false;
    $pid = '';
    if ($name == 'memcached') {
        $pid = '/var/run/memcached.pid';
        exec('pgrep memcached', $is_alive, $self_failed);
    } elseif ($name == 'nginx') {
        $pid = '/usr/local/nginx/logs/nginx.pid';
        exec('pgrep nginx', $is_alive, $self_failed);
    } elseif ($name == 'apache2') {
        $pid = '/var/run/apache2.pid';
        exec('pgrep apache2', $is_alive, $self_failed);
    } elseif ($name == 'sphinxsearch') {
        $pid = '/usr/local/sphinx/log/searchd.pid';
        exec('pgrep searchd', $is_alive, $self_failed);
    } elseif ($name == 'php5-fpm') {
        $pid = '/var/run/php5-fpm.pid';
        exec('pgrep php5-fpm', $is_alive, $self_failed);
    } elseif ($name == 'mysqld') {
        exec('pgrep mysqld', $is_alive, $self_failed);
    } elseif ($name == 'memcached_connect') {
        if (class_exists('memcache')) {
            $m = new memcache();
        } elseif (class_exists('memcached')) {
            $m = new memcached();
        } else {
            $self_failed = 'php extensions memcache and memcached not installed';
        }
        if (is_object($m)) {
            $is_alive = (bool) $m->addServer('localhost', 11211);
        }
    } elseif ($name == 'sphinxsearch_connect') {
        if (function_exists('mysql_connect')) {
            ini_set('mysql.connect_timeout', 1);
            if (is_resource($mc = mysql_connect($sphinxsearch_host, '', '', true))) {
                mysql_close($mc);
                $is_alive = true;
            }
        } else {
            $self_failed = 'function mysql_connect() not exists';
        }
    } elseif ($name == 'mysqld_connect') {
        if (function_exists('mysql_connect')) {
            ini_set('mysql.connect_timeout', 2);
            if (is_resource($mc = mysql_connect('localhost', $mysql_user, $mysql_pswd, true))) {
                mysql_close($mc);
                $is_alive = true;
            }
        } else {
            $self_failed = 'function mysql_connect() not exists';
        }
    }
    if ( ! $is_alive) {
        echo 'ERROR: ' . $name . PHP_EOL;
        if ($self_failed) {
            echo 'SELF FAILED: "' . $self_failed . '", "' . print_r($is_alive, 1) . PHP_EOL;
            if ($pid) {
                echo 'PROCESS NOT FOUND: ' . $pid . ' (' . file_get_contents($pid) . ')' . PHP_EOL;
                if ( ! is_readable($pid)) {
                    echo ', PID is not readable: ' . $pid . PHP_EOL;
                }
            }
        }
        exit();
    } elseif ($pid) {
        $pid_from_file = trim(file_get_contents($pid));
        $pids = (array) $is_alive;
        if ($pid_from_file && ! in_array($pid_from_file, $pids)) {
            echo 'ERROR: not found PID from file in running processes';
            exit();
        }
    }
}
// Script should show this only if ALL tests passed
exit('OK');