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<?php |
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/** |
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* See class comment |
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* |
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* PHP Version 5 |
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* |
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* @category Netresearch |
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* @package Netresearch\Kite\Workflow |
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* @author Christian Opitz <[email protected]> |
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* @license http://www.netresearch.de Netresearch Copyright |
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* @link http://www.netresearch.de |
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*/ |
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namespace Netresearch\Kite\Workflow; |
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use Netresearch\Kite\Workflow; |
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use Symfony\Component\Console\Output\OutputInterface; |
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/** |
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* Clears code caches not available from shell and calls (statcache, opcache and apc). |
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* |
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* Creates a PHP script on the nodes or locally and calls it via the webUrl or node.webUrl |
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* |
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* @category Netresearch |
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* @package Netresearch\Kite\Workflow |
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* @author Christian Opitz <[email protected]> |
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* @license http://www.netresearch.de Netresearch Copyright |
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* @link http://www.netresearch.de |
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*/ |
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class ClearCodeCaches extends Workflow |
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{ |
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/** |
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* Variable configuration |
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* |
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* @return array |
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*/ |
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protected function configureVariables() |
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{ |
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return array( |
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'webUrl' => array( |
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'type' => 'string', |
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'label' => 'URL to the current web root. Set this if you want to clear caches locally - otherwise this WF will clear the node(s) caches' |
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), |
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'baseDir' => array( |
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'type' => 'string', |
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'default' => '{config["workspace"]}', |
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'label' => 'Path relative to current application root and webUrl, where the temp script will be stored' |
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) |
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) + parent::configureVariables(); |
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} |
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/** |
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* Override to assemble the tasks |
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* |
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* @return void |
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*/ |
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public function assemble() |
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{ |
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$this->callback( |
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function () { |
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$scriptPath = $this->createScript(); |
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if ($webUrl = $this->get('webUrl')) { |
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$this->callScript($webUrl, $scriptPath); |
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} else { |
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$this->scp($scriptPath, '{node}:{node.webRoot}/' . $scriptPath); |
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foreach ($this->get('nodes') as $node) { |
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/* @var \Netresearch\Kite\Node $node */ |
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if ($webUrl = $node->get('webUrl', null)) { |
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$this->callScript($webUrl, $scriptPath); |
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} else { |
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$this->console->output("<warning>Node $node ({$node->get('id')}) has no webUrl set</warning>"); |
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} |
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} |
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} |
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} |
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); |
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} |
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/** |
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* Create the script |
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* |
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* @return string The relative script path |
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*/ |
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protected function createScript() |
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{ |
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$scriptPath = $this->get('baseDir') . '/ccc-' . uniqid() . '.php'; |
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file_put_contents( |
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$scriptPath, |
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'<?' . "php |
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if (function_exists('clearstatcache')) { |
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echo 'statcache|'; |
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clearstatcache(true); |
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} |
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if (function_exists('opcache_reset')) { |
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echo 'opcache|'; |
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opcache_reset(); |
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} |
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if (function_exists('apc_clear_cache')) { |
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echo 'apc|'; |
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apc_clear_cache(); |
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} |
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if (function_exists('xcache_clear_cache')) { |
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echo 'xcache|'; |
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xcache_clear_cache(XC_TYPE_PHP); |
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} |
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unlink(__FILE__); |
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echo 'SUCCESS'; |
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?>\n" |
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); |
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return $scriptPath; |
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} |
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/** |
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* Call the script via web URL |
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* |
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* @param string $baseUrl URL to web root |
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* @param string $scriptPath Path to script (relative to baseUrl) |
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* |
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* @return void |
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*/ |
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protected function callScript($baseUrl, $scriptPath) |
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{ |
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$url = rtrim($baseUrl, '/') . '/' . ltrim($scriptPath, '/'); |
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$this->console->output('Calling ' . $url, OutputInterface::VERBOSITY_DEBUG); |
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$ch = curl_init(); |
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curl_setopt($ch, CURLOPT_URL, $url); |
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curl_setopt($ch, CURLOPT_HEADER, 1); |
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); |
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); |
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$response = curl_exec($ch); |
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$content = substr($response, curl_getinfo($ch, CURLINFO_HEADER_SIZE)); |
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$caches = explode('|', $content); |
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if (array_pop($caches) !== 'SUCCESS') { |
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$this->console->output("<error>Clearcache not run successfully</error>"); |
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$this->console->indent(); |
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if ($response === false) { |
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$msg = curl_error($ch); |
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} else { |
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$msg = $response; |
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} |
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$this->console->output($msg, OutputInterface::VERBOSITY_DEBUG); |
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$this->console->outdent(); |
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} else { |
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if ($caches) { |
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$this->console->output('Cleared code caches (' . implode(', ', $caches) . ')'); |
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} else { |
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$this->console->output('No code caches found'); |
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} |
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} |
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} |
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} |
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?> |
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netresearch /
kite
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.