/**
* Initializes the storage provider by loading the configuration values from
* the passed module configuration.
*
* @param \AppserverIo\Appserver\Core\Interfaces\SystemConfigurationInterface $systemConfiguration The system configuration
* @param \AppserverIo\Server\Interfaces\ModuleConfigurationInterface $moduleConfiguration The module configuration
*
* @throws \Exception Is thrown if the JSON can not be read
*/
public function __construct(SystemConfigurationInterface $systemConfiguration, ModuleConfigurationInterface $moduleConfiguration)
{
// load the configuration values
$defaultTtl = $moduleConfiguration->getParam(AbstractStorageProvider::DEFAULT_TTL);
// query whether or not the default TTL is an integer
if (!is_int($defaultTtl)) {
throw new \Exception('Default TTL must be an integer.');
}
// declare the array for the DNS records
$dnsRecords = array();
// iterate over the system configuration and create DNS A records from the found virtual hosts
foreach ($systemConfiguration->getContainers() as $containerNode) {
foreach ($containerNode->getServers() as $serverNode) {
foreach ($serverNode->getVirtualHosts() as $virtualHost) {
if (sizeof($dnsNames = explode(' ', $virtualHost->getName())) > 0) {
foreach ($dnsNames as $dnsName) {
// add the IPv4 + IPv6 address for localhost
$dnsRecords[$dnsName]['A'] = array('127.0.0.1');
$dnsRecords[$dnsName]['AAAA'] = array('::1');
}
}
}
}
}
// set the default TTL and the DNS records
$this->dsTtl = $defaultTtl;
$this->dnsRecords = $dnsRecords;
}
/**
* Initializes the context with the connection to the storage backend.
*
* @param \AppserverIo\Appserver\Core\Interfaces\SystemConfigurationInterface $systemConfiguration The system configuration
*/
public function __construct(SystemConfigurationInterface $systemConfiguration)
{
// initialize the storage
$initialContextNode = $systemConfiguration->getInitialContext();
$storageNode = $initialContextNode->getStorage();
$reflectionClass = $this->newReflectionClass($storageNode->getType());
// create the storage instance
$storage = $reflectionClass->newInstance();
// append the storage servers registered in system configuration
foreach ($storageNode->getStorageServers() as $storageServer) {
$storage->addServer($storageServer->getAddress(), $storageServer->getPort(), $storageServer->getWeight());
}
// add the storage to the initial context
$this->setStorage($storage);
// attach the system configuration to the initial context
$this->setSystemConfiguration($systemConfiguration);
}
/**
* Loads the container instances from the META-INF/containers.xml configuration file of the
* passed web application path and add/merge them to/with the system configuration.
*
* @param \AppserverIo\Appserver\Core\Api\Node\ContainerNodeInterface $containerNode The container node used for property replacement
* @param \AppserverIo\Appserver\Core\Interfaces\SystemConfigurationInterface $systemConfiguration The system configuration to add/merge the found containers to/with
* @param string $webappPath The path to the web application to search for a META-INF/containers.xml file
*
* @return void
*/
public function loadContainerInstance(ContainerNodeInterface $containerNode, SystemConfigurationInterface $systemConfiguration, $webappPath)
{
// load the service to validate the files
/** @var \AppserverIo\Appserver\Core\Api\ConfigurationService $configurationService */
$configurationService = $this->newService('AppserverIo\\Appserver\\Core\\Api\\ConfigurationService');
// iterate through all server configurations (servers.xml), validate and merge them
foreach ($this->globDir(AppEnvironmentHelper::getEnvironmentAwareGlobPattern($webappPath, 'META-INF/containers')) as $containersConfigurationFile) {
try {
// validate the application specific container configurations
$configurationService->validateFile($containersConfigurationFile, null);
// create a new containers node instance
$containersNodeInstance = new ContainersNode();
$containersNodeInstance->initFromFile($containersConfigurationFile);
// load the system properties
$properties = $this->getSystemProperties($containerNode);
// prepare the sytsem properties
$this->prepareSystemProperties($properties, $webappPath);
/** @var \AppserverIo\Appserver\Core\Api\Node\ContainerNodeInterface $containerNodeInstance */
foreach ($containersNodeInstance->getContainers() as $containerNodeInstance) {
// replace the properties for the found container node instance
$containerNodeInstance->replaceProperties($properties);
// query whether we've to merge or append the server node instance
if ($container = $systemConfiguration->getContainer($containerNodeInstance->getName())) {
$container->merge($containerNodeInstance);
} else {
$systemConfiguration->attachContainer($containerNodeInstance);
}
}
} catch (ConfigurationException $ce) {
// load the logger and log the XML validation errors
$systemLogger = $this->getInitialContext()->getSystemLogger();
$systemLogger->error($ce->__toString());
// additionally log a message that server configuration will be missing
$systemLogger->critical(sprintf('Will skip app specific server configuration because of invalid file %s', $containersConfigurationFile));
}
}
}
