mirror of
https://github.com/friendica/friendica
synced 2024-11-18 00:23:47 +00:00
Create Core\Process as a base for followup work
This commit is contained in:
Philipp Holzer
parent
90b438e082
commit
2c73377b39
4 changed files with 227 additions and 145 deletions
159
src/App.php
159
src/App.php
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@ -127,6 +127,11 @@ class App
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*/
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private $args;
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/**
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* @var Core\Process The process methods
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*/
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private $process;
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/**
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* Returns the current config cache of this node
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*
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@ -225,8 +230,9 @@ class App
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* @param Profiler $profiler The profiler of this application
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* @param L10n $l10n The translator instance
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* @param App\Arguments $args The Friendica Arguments of the call
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* @param Core\Process $process The process methods
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*/
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public function __construct(Database $database, Configuration $config, App\Mode $mode, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, L10n $l10n, Arguments $args, App\Module $module, App\Page $page)
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public function __construct(Database $database, Configuration $config, App\Mode $mode, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, L10n $l10n, Arguments $args, App\Module $module, App\Page $page, Core\Process $process)
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{
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$this->database = $database;
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$this->config = $config;
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@ -236,6 +242,7 @@ class App
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$this->logger = $logger;
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$this->l10n = $l10n;
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$this->args = $args;
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$this->process = $process;
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$this->cmd = $args->getCommand();
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$this->argv = $args->getArgv();
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@ -398,163 +405,27 @@ class App
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}
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/**
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* @brief Checks if the maximum number of database processes is reached
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*
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* @return bool Is the limit reached?
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* @deprecated 2019.09 - use Core\Process->isMaxProcessesReached() instead
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*/
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public function isMaxProcessesReached()
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{
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// Deactivated, needs more investigating if this check really makes sense
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return false;
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/*
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* Commented out to suppress static analyzer issues
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*
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if ($this->is_backend()) {
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$process = 'backend';
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$max_processes = $this->config->get('system', 'max_processes_backend');
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if (intval($max_processes) == 0) {
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$max_processes = 5;
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}
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} else {
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$process = 'frontend';
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$max_processes = $this->config->get('system', 'max_processes_frontend');
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if (intval($max_processes) == 0) {
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$max_processes = 20;
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}
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}
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$processlist = DBA::processlist();
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if ($processlist['list'] != '') {
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$this->logger->debug('Processcheck: Processes: ' . $processlist['amount'] . ' - Processlist: ' . $processlist['list']);
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if ($processlist['amount'] > $max_processes) {
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$this->logger->debug('Processcheck: Maximum number of processes for ' . $process . ' tasks (' . $max_processes . ') reached.');
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return true;
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}
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}
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return false;
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*/
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return $this->process->isMaxProcessesReached();
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}
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/**
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* @brief Checks if the minimal memory is reached
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*
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* @return bool Is the memory limit reached?
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* @throws HTTPException\InternalServerErrorException
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* @deprecated 2019.09 - use Core\Process->isMinMemoryReached() instead
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*/
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public function isMinMemoryReached()
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{
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$min_memory = $this->config->get('system', 'min_memory', 0);
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if ($min_memory == 0) {
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return false;
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}
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if (!is_readable('/proc/meminfo')) {
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return false;
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}
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$memdata = explode("\n", file_get_contents('/proc/meminfo'));
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$meminfo = [];
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foreach ($memdata as $line) {
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$data = explode(':', $line);
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if (count($data) != 2) {
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continue;
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}
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list($key, $val) = $data;
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$meminfo[$key] = (int)trim(str_replace('kB', '', $val));
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$meminfo[$key] = (int)($meminfo[$key] / 1024);
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}
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if (!isset($meminfo['MemFree'])) {
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return false;
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}
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$free = $meminfo['MemFree'];
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$reached = ($free < $min_memory);
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if ($reached) {
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$this->logger->debug('Minimal memory reached.', ['free' => $free, 'memtotal' => $meminfo['MemTotal'], 'limit' => $min_memory]);
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}
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return $reached;
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return $this->process->isMinMemoryReached();
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}
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/**
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* @brief Checks if the maximum load is reached
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*
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* @return bool Is the load reached?
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* @throws HTTPException\InternalServerErrorException
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* @deprecated 2019.09 - use Core\Process->isMaxLoadReached() instead
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*/
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public function isMaxLoadReached()
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{
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if ($this->mode->isBackend()) {
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$process = 'backend';
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$maxsysload = intval($this->config->get('system', 'maxloadavg'));
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if ($maxsysload < 1) {
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$maxsysload = 50;
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}
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} else {
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$process = 'frontend';
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$maxsysload = intval($this->config->get('system', 'maxloadavg_frontend'));
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if ($maxsysload < 1) {
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$maxsysload = 50;
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}
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}
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$load = Core\System::currentLoad();
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if ($load) {
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if (intval($load) > $maxsysload) {
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$this->logger->info('system load for process too high.', ['load' => $load, 'process' => $process, 'maxsysload' => $maxsysload]);
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return true;
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}
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}
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return false;
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}
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/**
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* Executes a child process with 'proc_open'
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*
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* @param string $command The command to execute
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* @param array $args Arguments to pass to the command ( [ 'key' => value, 'key2' => value2, ... ]
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*
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* @throws HTTPException\InternalServerErrorException
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*/
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public function proc_run($command, $args)
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{
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if (!function_exists('proc_open')) {
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return;
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}
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$cmdline = $this->config->get('config', 'php_path', 'php') . ' ' . escapeshellarg($command);
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foreach ($args as $key => $value) {
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if (!is_null($value) && is_bool($value) && !$value) {
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continue;
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}
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$cmdline .= ' --' . $key;
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if (!is_null($value) && !is_bool($value)) {
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$cmdline .= ' ' . $value;
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}
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}
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if ($this->isMinMemoryReached()) {
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return;
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}
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if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
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$resource = proc_open('cmd /c start /b ' . $cmdline, [], $foo, $this->getBasePath());
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} else {
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$resource = proc_open($cmdline . ' &', [], $foo, $this->getBasePath());
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}
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if (!is_resource($resource)) {
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$this->logger->debug('We got no resource for command.', ['cmd' => $cmdline]);
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return;
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}
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proc_close($resource);
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return $this->process->isMaxLoadReached();
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}
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/**
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@ -729,7 +600,7 @@ class App
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}
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// Max Load Average reached: ERROR
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if ($this->isMaxProcessesReached() || $this->isMaxLoadReached()) {
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if ($this->process->isMaxProcessesReached() || $this->process->isMaxLoadReached()) {
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header('Retry-After: 120');
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header('Refresh: 120; url=' . $this->baseURL->get() . "/" . $this->args->getQueryString());
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203
src/Core/Process.php
Normal file
203
src/Core/Process.php
Normal file
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@ -0,0 +1,203 @@
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<?php
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namespace Friendica\Core;
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use Friendica\App;
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use Friendica\Core\Config\Configuration;
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use Psr\Log\LoggerInterface;
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/**
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* Methods for interacting with the current process or create new process
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*
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* @todo 2019.12 Next release, this class holds all process relevant methods based on the big Worker class
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* - Starting new processes (including checks)
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* - Enabling multi-node processing (e.g. for docker service)
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* - Using an process-id per node
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* - Using memory locks for multi-node locking (redis, memcached, ..)
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*/
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final class Process
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{
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/**
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* @var LoggerInterface
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*/
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private $logger;
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/**
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* @var App\Mode
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*/
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private $mode;
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/**
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* @var Configuration
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*/
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private $config;
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/**
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* @var string
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*/
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private $basePath;
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public function __construct(LoggerInterface $logger, App\Mode $mode, Configuration $config, string $basepath)
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{
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$this->logger = $logger;
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$this->mode = $mode;
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$this->config = $config;
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$this->basePath = $basepath;
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}
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/**
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* @brief Checks if the maximum number of database processes is reached
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*
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* @return bool Is the limit reached?
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*/
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public function isMaxProcessesReached()
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{
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// Deactivated, needs more investigating if this check really makes sense
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return false;
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/*
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* Commented out to suppress static analyzer issues
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*
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if ($this->mode->isBackend()) {
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$process = 'backend';
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$max_processes = $this->config->get('system', 'max_processes_backend');
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if (intval($max_processes) == 0) {
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$max_processes = 5;
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}
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} else {
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$process = 'frontend';
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$max_processes = $this->config->get('system', 'max_processes_frontend');
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if (intval($max_processes) == 0) {
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$max_processes = 20;
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}
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}
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$processlist = DBA::processlist();
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if ($processlist['list'] != '') {
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$this->logger->debug('Processcheck: Processes: ' . $processlist['amount'] . ' - Processlist: ' . $processlist['list']);
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if ($processlist['amount'] > $max_processes) {
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$this->logger->debug('Processcheck: Maximum number of processes for ' . $process . ' tasks (' . $max_processes . ') reached.');
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return true;
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}
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}
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return false;
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*/
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}
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/**
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* @brief Checks if the minimal memory is reached
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*
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* @return bool Is the memory limit reached?
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*/
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public function isMinMemoryReached()
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{
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$min_memory = $this->config->get('system', 'min_memory', 0);
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if ($min_memory == 0) {
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return false;
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}
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if (!is_readable('/proc/meminfo')) {
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return false;
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}
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$memdata = explode("\n", file_get_contents('/proc/meminfo'));
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$meminfo = [];
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foreach ($memdata as $line) {
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$data = explode(':', $line);
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if (count($data) != 2) {
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continue;
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}
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list($key, $val) = $data;
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$meminfo[$key] = (int)trim(str_replace('kB', '', $val));
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$meminfo[$key] = (int)($meminfo[$key] / 1024);
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}
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if (!isset($meminfo['MemFree'])) {
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return false;
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}
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$free = $meminfo['MemFree'];
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$reached = ($free < $min_memory);
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if ($reached) {
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$this->logger->debug('Minimal memory reached.', ['free' => $free, 'memtotal' => $meminfo['MemTotal'], 'limit' => $min_memory]);
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}
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return $reached;
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}
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/**
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* @brief Checks if the maximum load is reached
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*
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* @return bool Is the load reached?
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*/
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public function isMaxLoadReached()
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{
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if ($this->mode->isBackend()) {
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$process = 'backend';
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$maxsysload = intval($this->config->get('system', 'maxloadavg'));
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if ($maxsysload < 1) {
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$maxsysload = 50;
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}
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} else {
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$process = 'frontend';
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$maxsysload = intval($this->config->get('system', 'maxloadavg_frontend'));
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if ($maxsysload < 1) {
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$maxsysload = 50;
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}
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}
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$load = System::currentLoad();
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if ($load) {
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if (intval($load) > $maxsysload) {
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$this->logger->info('system load for process too high.', ['load' => $load, 'process' => $process, 'maxsysload' => $maxsysload]);
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return true;
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}
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}
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return false;
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}
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/**
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* Executes a child process with 'proc_open'
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*
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* @param string $command The command to execute
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* @param array $args Arguments to pass to the command ( [ 'key' => value, 'key2' => value2, ... ]
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*/
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public function run($command, $args)
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{
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if (!function_exists('proc_open')) {
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return;
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}
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$cmdline = $this->config->get('config', 'php_path', 'php') . ' ' . escapeshellarg($command);
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foreach ($args as $key => $value) {
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if (!is_null($value) && is_bool($value) && !$value) {
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continue;
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}
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$cmdline .= ' --' . $key;
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if (!is_null($value) && !is_bool($value)) {
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$cmdline .= ' ' . $value;
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}
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}
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if ($this->isMinMemoryReached()) {
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return;
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}
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if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
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$resource = proc_open('cmd /c start /b ' . $cmdline, [], $foo, $this->basePath);
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} else {
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$resource = proc_open($cmdline . ' &', [], $foo, $this->basePath);
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}
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if (!is_resource($resource)) {
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$this->logger->debug('We got no resource for command.', ['cmd' => $cmdline]);
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return;
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}
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proc_close($resource);
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}
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}
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@ -5,6 +5,7 @@
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namespace Friendica\Core;
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use Friendica\BaseObject;
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use Friendica\Core;
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use Friendica\Database\DBA;
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use Friendica\Model\Process;
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use Friendica\Util\DateTimeFormat;
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@ -1082,7 +1083,9 @@ class Worker
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$args = ['no_cron' => !$do_cron];
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get_app()->proc_run($command, $args);
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$a = get_app();
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$process = new Core\Process($a->getLogger(), $a->getMode(), $a->getConfig(), $a->getBasePath());
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$process->run($command, $args);
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// after spawning we have to remove the flag.
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if (Config::get('system', 'worker_daemon_mode', false)) {
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@ -154,4 +154,9 @@ return [
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['determineModule', [], Dice::CHAIN_CALL],
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],
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],
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Friendica\Core\Process::class => [
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'constructParams' => [
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[Dice::INSTANCE => '$basepath'],
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],
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],
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];
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