566 lines
No EOL
20 KiB
PHP
566 lines
No EOL
20 KiB
PHP
<?php
|
|
|
|
use Appwrite\Event\Event;
|
|
use Appwrite\Resque\Worker;
|
|
use Appwrite\Utopia\Response\Model\Execution;
|
|
use Cron\CronExpression;
|
|
use Swoole\Runtime;
|
|
use Utopia\App;
|
|
use Utopia\Cache\Adapter\Redis;
|
|
use Utopia\Cache\Cache;
|
|
use Utopia\CLI\Console;
|
|
use Utopia\Config\Config;
|
|
use Utopia\Database\Adapter\MariaDB;
|
|
use Utopia\Database\Database;
|
|
use Utopia\Database\Document;
|
|
use Utopia\Database\Validator\Authorization;
|
|
|
|
require_once __DIR__.'/../workers.php';
|
|
|
|
Runtime::enableCoroutine(0);
|
|
|
|
Console::title('Functions V1 Worker');
|
|
Console::success(APP_NAME.' functions worker v1 has started');
|
|
|
|
$runtimes = Config::getParam('runtimes');
|
|
|
|
/**
|
|
* Warmup Docker Images
|
|
*/
|
|
$warmupStart = \microtime(true);
|
|
|
|
Co\run(function() use ($runtimes) { // Warmup: make sure images are ready to run fast 🚀
|
|
|
|
$dockerUser = App::getEnv('DOCKERHUB_PULL_USERNAME', null);
|
|
$dockerPass = App::getEnv('DOCKERHUB_PULL_PASSWORD', null);
|
|
|
|
if($dockerUser) {
|
|
$stdout = '';
|
|
$stderr = '';
|
|
|
|
Console::execute('docker login --username '.$dockerUser.' --password-stdin', $dockerPass, $stdout, $stderr);
|
|
Console::log('Docker Login'. $stdout.$stderr);
|
|
}
|
|
|
|
foreach($runtimes as $runtime) {
|
|
go(function() use ($runtime) {
|
|
$stdout = '';
|
|
$stderr = '';
|
|
|
|
Console::info('Warming up '.$runtime['name'].' '.$runtime['version'].' environment...');
|
|
|
|
Console::execute('docker pull '.$runtime['image'], '', $stdout, $stderr);
|
|
|
|
if(!empty($stdout)) {
|
|
Console::log($stdout);
|
|
}
|
|
|
|
if(!empty($stderr)) {
|
|
Console::error($stderr);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
|
|
$warmupEnd = \microtime(true);
|
|
$warmupTime = $warmupEnd - $warmupStart;
|
|
|
|
Console::success('Finished warmup in '.$warmupTime.' seconds');
|
|
|
|
/**
|
|
* List function servers
|
|
*/
|
|
$stdout = '';
|
|
$stderr = '';
|
|
|
|
$executionStart = \microtime(true);
|
|
|
|
$exitCode = Console::execute('docker ps --all --format "name={{.Names}}&status={{.Status}}&labels={{.Labels}}" --filter label=appwrite-type=function'
|
|
, '', $stdout, $stderr, 30);
|
|
|
|
$executionEnd = \microtime(true);
|
|
|
|
$list = [];
|
|
$stdout = \explode("\n", $stdout);
|
|
|
|
\array_map(function($value) use (&$list) {
|
|
$container = [];
|
|
|
|
\parse_str($value, $container);
|
|
|
|
if(isset($container['name'])) {
|
|
$container = [
|
|
'name' => $container['name'],
|
|
'online' => (\substr($container['status'], 0, 2) === 'Up'),
|
|
'status' => $container['status'],
|
|
'labels' => $container['labels'],
|
|
];
|
|
|
|
\array_map(function($value) use (&$container) {
|
|
$value = \explode('=', $value);
|
|
|
|
if(isset($value[0]) && isset($value[1])) {
|
|
$container[$value[0]] = $value[1];
|
|
}
|
|
}, \explode(',', $container['labels']));
|
|
|
|
$list[$container['name']] = $container;
|
|
}
|
|
}, $stdout);
|
|
|
|
Console::info(count($list)." functions listed in " . ($executionEnd - $executionStart) . " seconds with exit code {$exitCode}");
|
|
|
|
/**
|
|
* 1. Get event args - DONE
|
|
* 2. Unpackage code in the isolated container - DONE
|
|
* 3. Execute in container with timeout
|
|
* + messure execution time - DONE
|
|
* + pass env vars - DONE
|
|
* + pass one-time api key
|
|
* 4. Update execution status - DONE
|
|
* 5. Update execution stdout & stderr - DONE
|
|
* 6. Trigger audit log - DONE
|
|
* 7. Trigger usage log - DONE
|
|
*/
|
|
|
|
//TODO aviod scheduled execution if delay is bigger than X offest
|
|
|
|
class FunctionsV1 extends Worker
|
|
{
|
|
public $args = [];
|
|
|
|
public $allowed = [];
|
|
|
|
public function init(): void
|
|
{
|
|
}
|
|
|
|
public function run(): void
|
|
{
|
|
global $register;
|
|
|
|
$db = $register->get('db');
|
|
$cache = $register->get('cache');
|
|
|
|
$projectId = $this->args['projectId'] ?? '';
|
|
$functionId = $this->args['functionId'] ?? '';
|
|
$webhooks = $this->args['webhooks'] ?? [];
|
|
$executionId = $this->args['executionId'] ?? '';
|
|
$trigger = $this->args['trigger'] ?? '';
|
|
$event = $this->args['event'] ?? '';
|
|
$scheduleOriginal = $this->args['scheduleOriginal'] ?? '';
|
|
$eventData = (!empty($this->args['eventData'])) ? json_encode($this->args['eventData']) : '';
|
|
$data = $this->args['data'] ?? '';
|
|
$userId = $this->args['userId'] ?? '';
|
|
$jwt = $this->args['jwt'] ?? '';
|
|
|
|
$cache = new Cache(new Redis($cache));
|
|
$database = new Database(new MariaDB($db), $cache);
|
|
$database->setNamespace('project_'.$projectId.'_internal');
|
|
|
|
switch ($trigger) {
|
|
case 'event':
|
|
$limit = 30;
|
|
$sum = 30;
|
|
$offset = 0;
|
|
$functions = []; /** @var Document[] $functions */
|
|
|
|
while ($sum >= $limit) {
|
|
|
|
Authorization::disable();
|
|
|
|
$functions = $database->find('functions', [], $limit, $offset, ['name'], [Database::ORDER_ASC]);
|
|
|
|
Authorization::reset();
|
|
|
|
$sum = \count($functions);
|
|
$offset = $offset + $limit;
|
|
|
|
Console::log('Fetched '.$sum.' functions...');
|
|
|
|
foreach($functions as $function) {
|
|
$events = $function->getAttribute('events', []);
|
|
$tag = $function->getAttribute('tag', []);
|
|
|
|
Console::success('Itterating function: '.$function->getAttribute('name'));
|
|
|
|
if(!\in_array($event, $events) || empty($tag)) {
|
|
continue;
|
|
}
|
|
|
|
Console::success('Triggered function: '.$event);
|
|
|
|
$this->execute('event', $projectId, '', $database, $function, $event, $eventData, $data, $webhooks, $userId, $jwt);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'schedule':
|
|
/*
|
|
* 1. Get Original Task
|
|
* 2. Check for updates
|
|
* If has updates skip task and don't reschedule
|
|
* If status not equal to play skip task
|
|
* 3. Check next run date, update task and add new job at the given date
|
|
* 4. Execute task (set optional timeout)
|
|
* 5. Update task response to log
|
|
* On success reset error count
|
|
* On failure add error count
|
|
* If error count bigger than allowed change status to pause
|
|
*/
|
|
|
|
// Reschedule
|
|
Authorization::disable();
|
|
$function = $database->getDocument('functions', $functionId);
|
|
Authorization::reset();
|
|
|
|
if (empty($function->getId())) {
|
|
throw new Exception('Function not found ('.$functionId.')');
|
|
}
|
|
|
|
if($scheduleOriginal && $scheduleOriginal !== $function->getAttribute('schedule')) { // Schedule has changed from previous run, ignore this run.
|
|
return;
|
|
}
|
|
|
|
$cron = new CronExpression($function->getAttribute('schedule'));
|
|
$next = (int) $cron->getNextRunDate()->format('U');
|
|
|
|
$function
|
|
->setAttribute('scheduleNext', $next)
|
|
->setAttribute('schedulePrevious', \time())
|
|
;
|
|
|
|
Authorization::disable();
|
|
|
|
$function = $database->updateDocument('functions', $function->getId(), new Document(array_merge($function->getArrayCopy(), [
|
|
'scheduleNext' => (int)$next,
|
|
])));
|
|
|
|
Authorization::reset();
|
|
|
|
ResqueScheduler::enqueueAt($next, 'v1-functions', 'FunctionsV1', [
|
|
'projectId' => $projectId,
|
|
'webhooks' => $webhooks,
|
|
'functionId' => $function->getId(),
|
|
'executionId' => null,
|
|
'trigger' => 'schedule',
|
|
'scheduleOriginal' => $function->getAttribute('schedule', ''),
|
|
]); // Async task rescheduale
|
|
|
|
$this->execute($trigger, $projectId, $executionId, $database, $function, /*$event*/'', /*$eventData*/'', $data, $webhooks, $userId, $jwt);
|
|
break;
|
|
|
|
case 'http':
|
|
Authorization::disable();
|
|
$function = $database->getDocument('functions', $functionId);
|
|
Authorization::reset();
|
|
|
|
if (empty($function->getId())) {
|
|
throw new Exception('Function not found ('.$functionId.')');
|
|
}
|
|
|
|
$this->execute($trigger, $projectId, $executionId, $database, $function, /*$event*/'', /*$eventData*/'', $data, $webhooks, $userId, $jwt);
|
|
break;
|
|
|
|
default:
|
|
# code...
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Execute function tag
|
|
*
|
|
* @param string $trigger
|
|
* @param string $projectId
|
|
* @param string $executionId
|
|
* @param Database $database
|
|
* @param Database $function
|
|
* @param string $event
|
|
* @param string $eventData
|
|
* @param string $data
|
|
* @param array $webhooks
|
|
* @param string $userId
|
|
* @param string $jwt
|
|
*
|
|
* @return void
|
|
*/
|
|
public function execute(string $trigger, string $projectId, string $executionId, Database $database, Document $function, string $event = '', string $eventData = '', string $data = '', array $webhooks = [], string $userId = '', string $jwt = ''): void
|
|
{
|
|
global $list;
|
|
|
|
$runtimes = Config::getParam('runtimes');
|
|
|
|
Authorization::disable();
|
|
$tag = $database->getDocument('tags', $function->getAttribute('tag', ''));
|
|
Authorization::reset();
|
|
|
|
if($tag->getAttribute('functionId') !== $function->getId()) {
|
|
throw new Exception('Tag not found', 404);
|
|
}
|
|
|
|
Authorization::disable();
|
|
|
|
$execution = (!empty($executionId)) ? $database->getDocument('executions', $executionId) : $database->createDocument('executions', new Document([
|
|
'$read' => [],
|
|
'$write' => [],
|
|
'dateCreated' => time(),
|
|
'functionId' => $function->getId(),
|
|
'trigger' => $trigger, // http / schedule / event
|
|
'status' => 'processing', // waiting / processing / completed / failed
|
|
'exitCode' => 0,
|
|
'stdout' => '',
|
|
'stderr' => '',
|
|
'time' => 0,
|
|
]));
|
|
|
|
if(false === $execution || ($execution instanceof Document && $execution->isEmpty())) {
|
|
throw new Exception('Failed to create or read execution');
|
|
}
|
|
|
|
Authorization::reset();
|
|
|
|
$runtime = (isset($runtimes[$function->getAttribute('runtime', '')]))
|
|
? $runtimes[$function->getAttribute('runtime', '')]
|
|
: null;
|
|
|
|
if(\is_null($runtime)) {
|
|
throw new Exception('Runtime "'.$function->getAttribute('runtime', '').' is not supported');
|
|
}
|
|
|
|
$vars = \array_merge($function->getAttribute('vars', []), [
|
|
'APPWRITE_FUNCTION_ID' => $function->getId(),
|
|
'APPWRITE_FUNCTION_NAME' => $function->getAttribute('name', ''),
|
|
'APPWRITE_FUNCTION_TAG' => $tag->getId(),
|
|
'APPWRITE_FUNCTION_TRIGGER' => $trigger,
|
|
'APPWRITE_FUNCTION_RUNTIME_NAME' => $runtime['name'],
|
|
'APPWRITE_FUNCTION_RUNTIME_VERSION' => $runtime['version'],
|
|
'APPWRITE_FUNCTION_EVENT' => $event,
|
|
'APPWRITE_FUNCTION_EVENT_DATA' => $eventData,
|
|
'APPWRITE_FUNCTION_DATA' => $data,
|
|
'APPWRITE_FUNCTION_USER_ID' => $userId,
|
|
'APPWRITE_FUNCTION_JWT' => $jwt,
|
|
'APPWRITE_FUNCTION_PROJECT_ID' => $projectId,
|
|
]);
|
|
|
|
\array_walk($vars, function (&$value, $key) {
|
|
$key = $this->filterEnvKey($key);
|
|
$value = \escapeshellarg((empty($value)) ? 'null' : $value);
|
|
$value = "--env {$key}={$value}";
|
|
});
|
|
|
|
$tagPath = $tag->getAttribute('path', '');
|
|
$tagPathTarget = '/tmp/project-'.$projectId.'/'.$tag->getId().'/code.tar.gz';
|
|
$tagPathTargetDir = \pathinfo($tagPathTarget, PATHINFO_DIRNAME);
|
|
$container = 'appwrite-function-'.$tag->getId();
|
|
$command = \escapeshellcmd($tag->getAttribute('command', ''));
|
|
|
|
if(!\is_readable($tagPath)) {
|
|
throw new Exception('Code is not readable: '.$tag->getAttribute('path', ''));
|
|
}
|
|
|
|
if (!\file_exists($tagPathTargetDir)) {
|
|
if (!\mkdir($tagPathTargetDir, 0755, true)) {
|
|
throw new Exception('Can\'t create directory '.$tagPathTargetDir);
|
|
}
|
|
}
|
|
|
|
if (!\file_exists($tagPathTarget)) {
|
|
if(!\copy($tagPath, $tagPathTarget)) {
|
|
throw new Exception('Can\'t create temporary code file '.$tagPathTarget);
|
|
}
|
|
}
|
|
|
|
if(isset($list[$container]) && !$list[$container]['online']) { // Remove conatiner if not online
|
|
$stdout = '';
|
|
$stderr = '';
|
|
|
|
if(Console::execute("docker rm {$container}", '', $stdout, $stderr, 30) !== 0) {
|
|
throw new Exception('Failed to remove offline container: '.$stderr);
|
|
}
|
|
|
|
unset($list[$container]);
|
|
}
|
|
|
|
/**
|
|
* Limit CPU Usage - DONE
|
|
* Limit Memory Usage - DONE
|
|
* Limit Network Usage
|
|
* Limit Storage Usage (//--storage-opt size=120m \)
|
|
* Make sure no access to redis, mariadb, influxdb or other system services
|
|
* Make sure no access to NFS server / storage volumes
|
|
* Access Appwrite REST from internal network for improved performance
|
|
*/
|
|
if(!isset($list[$container])) { // Create contianer if not ready
|
|
$stdout = '';
|
|
$stderr = '';
|
|
|
|
$executionStart = \microtime(true);
|
|
$executionTime = \time();
|
|
$cpus = App::getEnv('_APP_FUNCTIONS_CPUS', '');
|
|
$memory = App::getEnv('_APP_FUNCTIONS_MEMORY', '');
|
|
$swap = App::getEnv('_APP_FUNCTIONS_MEMORY_SWAP', '');
|
|
$exitCode = Console::execute("docker run ".
|
|
" -d".
|
|
" --entrypoint=\"\"".
|
|
(empty($cpus) ? "" : (" --cpus=".$cpus)).
|
|
(empty($memory) ? "" : (" --memory=".$memory."m")).
|
|
(empty($swap) ? "" : (" --memory-swap=".$swap."m")).
|
|
" --name={$container}".
|
|
" --label appwrite-type=function".
|
|
" --label appwrite-created={$executionTime}".
|
|
" --volume {$tagPathTargetDir}:/tmp:rw".
|
|
" --workdir /usr/local/src".
|
|
" ".\implode(" ", $vars).
|
|
" {$runtime['image']}".
|
|
" sh -c 'mv /tmp/code.tar.gz /usr/local/src/code.tar.gz && tar -zxf /usr/local/src/code.tar.gz --strip 1 && rm /usr/local/src/code.tar.gz && tail -f /dev/null'"
|
|
, '', $stdout, $stderr, 30);
|
|
|
|
$executionEnd = \microtime(true);
|
|
|
|
if($exitCode !== 0) {
|
|
throw new Exception('Failed to create function environment: '.$stderr);
|
|
}
|
|
|
|
$list[$container] = [
|
|
'name' => $container,
|
|
'online' => true,
|
|
'status' => 'Up',
|
|
'labels' => [
|
|
'appwrite-type' => 'function',
|
|
'appwrite-created' => $executionTime,
|
|
],
|
|
];
|
|
|
|
Console::info("Function created in " . ($executionEnd - $executionStart) . " seconds with exit code {$exitCode}");
|
|
}
|
|
else {
|
|
Console::info('Container is ready to run');
|
|
}
|
|
|
|
$stdout = '';
|
|
$stderr = '';
|
|
|
|
$executionStart = \microtime(true);
|
|
|
|
$exitCode = Console::execute("docker exec ".\implode(" ", $vars)." {$container} {$command}"
|
|
, '', $stdout, $stderr, $function->getAttribute('timeout', (int) App::getEnv('_APP_FUNCTIONS_TIMEOUT', 900)));
|
|
|
|
$executionEnd = \microtime(true);
|
|
$executionTime = ($executionEnd - $executionStart);
|
|
$functionStatus = ($exitCode === 0) ? 'completed' : 'failed';
|
|
|
|
Console::info("Function executed in " . ($executionEnd - $executionStart) . " seconds with exit code {$exitCode}");
|
|
|
|
Authorization::disable();
|
|
|
|
$execution = $database->updateDocument('executions', $execution->getId(), new Document(array_merge($execution->getArrayCopy(), [
|
|
'tagId' => $tag->getId(),
|
|
'status' => $functionStatus,
|
|
'exitCode' => $exitCode,
|
|
'stdout' => \mb_substr($stdout, -8000), // log last 4000 chars output
|
|
'stderr' => \mb_substr($stderr, -8000), // log last 4000 chars output
|
|
'time' => (float)$executionTime,
|
|
])));
|
|
|
|
Authorization::reset();
|
|
|
|
if (false === $function) {
|
|
throw new Exception('Failed saving execution to DB', 500);
|
|
}
|
|
|
|
$executionModel = new Execution();
|
|
$executionUpdate = new Event('v1-webhooks', 'WebhooksV1');
|
|
|
|
$executionUpdate
|
|
->setParam('projectId', $projectId)
|
|
->setParam('userId', $userId)
|
|
->setParam('webhooks', $webhooks)
|
|
->setParam('event', 'functions.executions.update')
|
|
->setParam('eventData', $execution->getArrayCopy(array_keys($executionModel->getRules())));
|
|
|
|
$executionUpdate->trigger();
|
|
|
|
$usage = new Event('v1-usage', 'UsageV1');
|
|
|
|
$usage
|
|
->setParam('projectId', $projectId)
|
|
->setParam('functionId', $function->getId())
|
|
->setParam('functionExecution', 1)
|
|
->setParam('functionStatus', $functionStatus)
|
|
->setParam('functionExecutionTime', $executionTime * 1000) // ms
|
|
->setParam('networkRequestSize', 0)
|
|
->setParam('networkResponseSize', 0)
|
|
;
|
|
|
|
if(App::getEnv('_APP_USAGE_STATS', 'enabled') == 'enabled') {
|
|
$usage->trigger();
|
|
}
|
|
|
|
$this->cleanup();
|
|
}
|
|
|
|
/**
|
|
* Cleanup any hanging containers above the allowed max containers.
|
|
*
|
|
* @return void
|
|
*/
|
|
public function cleanup(): void
|
|
{
|
|
global $list;
|
|
|
|
Console::success(count($list).' running containers counted');
|
|
|
|
$max = (int) App::getEnv('_APP_FUNCTIONS_CONTAINERS');
|
|
|
|
if(\count($list) > $max) {
|
|
Console::info('Starting containers cleanup');
|
|
|
|
\uasort($list, function ($item1, $item2) {
|
|
return (int)($item1['appwrite-created'] ?? 0) <=> (int)($item2['appwrite-created'] ?? 0);
|
|
});
|
|
|
|
while(\count($list) > $max) {
|
|
$first = \array_shift($list);
|
|
$stdout = '';
|
|
$stderr = '';
|
|
|
|
if(Console::execute("docker rm -f {$first['name']}", '', $stdout, $stderr, 30) !== 0) {
|
|
Console::error('Failed to remove container: '.$stderr);
|
|
}
|
|
else {
|
|
Console::info('Removed container: '.$first['name']);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filter ENV vars
|
|
*
|
|
* @param string $string
|
|
*
|
|
* @return string
|
|
*/
|
|
public function filterEnvKey(string $string): string
|
|
{
|
|
if(empty($this->allowed)) {
|
|
$this->allowed = array_fill_keys(\str_split('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_'), true);
|
|
}
|
|
|
|
$string = \str_split($string);
|
|
$output = '';
|
|
|
|
foreach ($string as $char) {
|
|
if(\array_key_exists($char, $this->allowed)) {
|
|
$output .= $char;
|
|
}
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
public function shutdown(): void
|
|
{
|
|
}
|
|
} |