/**
* @return Scalr_Messaging_SnmpConverter
*/
static function getInstance()
{
if (self::$instance === null) {
self::$instance = new Scalr_Messaging_SnmpConverter();
}
return self::$instance;
}
/**
* Send message to instance
* @param Scalr_Messaging_Msg $message
* @return Scalr_Messaging_Msg
*/
public function SendMessage(Scalr_Messaging_Msg $message, $isEventNotice = false, $delayed = false)
{
if ($this->farmId) {
if ($this->GetFarmObject()->Status == FARM_STATUS::TERMINATED) {
$this->Db->Execute("UPDATE messages SET status = ? WHERE messageid = ?", array(MESSAGE_STATUS::FAILED, $message->messageId));
return;
}
}
$logger = Logger::getLogger('DBServer');
$serializer = Scalr_Messaging_XmlSerializer::getInstance();
$cryptoTool = Scalr_Messaging_CryptoTool::getInstance();
$rawMessage = $serializer->serialize($message);
// Add message to database
$this->Db->Execute("INSERT INTO messages SET\r\n\t\t\t\t`messageid`\t= ?,\r\n\t\t\t\t`server_id`\t= ?,\r\n\t\t\t\t`message`\t= ?,\r\n\t\t\t\t`type`\t\t= 'out',\r\n\t\t\t\t`message_name` = ?,\r\n\t\t\t\t`handle_attempts` = ?,\r\n\t\t\t\t`message_version` = ?,\r\n\t\t\t\t`dtlasthandleattempt` = NOW()\r\n\t\t\tON DUPLICATE KEY UPDATE handle_attempts = handle_attempts+1, dtlasthandleattempt = NOW() \r\n\t\t\t", array($message->messageId, $this->serverId, $rawMessage, $message->getName(), $delayed ? '0' : '1', $this->IsSupported("0.5") ? 2 : 1));
if ($this->platform == SERVER_PLATFORMS::RDS) {
$logger->info("RDS platform doesn't support messaging. Skipping...");
$this->Db->Execute("UPDATE messages SET status = ? WHERE messageid = ?", array(MESSAGE_STATUS::UNSUPPORTED, $message->messageId));
return $message;
}
if ($delayed) {
return $message;
}
if ($this->IsSupported("0.5") && !$isEventNotice) {
if (!$this->remoteIp) {
return;
}
// Put access data and reserialize message
$pl = PlatformFactory::NewPlatform($this->platform);
$pl->PutAccessData($this, $message);
$rawMessage = $serializer->serialize($message);
$cryptoKey = $this->GetKey(true);
$encMessage = $cryptoTool->encrypt($rawMessage, $cryptoKey);
list($signature, $timestamp) = $cryptoTool->sign($encMessage, $cryptoKey);
try {
$ctrlPort = $this->GetProperty(SERVER_PROPERTIES::SZR_CTRL_PORT);
if (!$ctrlPort) {
$ctrlPort = 8013;
}
// Prepare request
$request = new HttpRequest("http://{$this->remoteIp}:{$ctrlPort}/control", HTTP_METH_POST);
$request->setOptions(array('timeout' => 4, 'connecttimeout' => 4));
$request->setHeaders(array("Date" => $timestamp, "X-Signature" => $signature));
$request->setRawPostData($encMessage);
// Send request
$request->send();
// Process response
if ($request->getResponseCode() == 201) {
$logger->info(sprintf("[FarmID: %s] Sending message '%s' via REST to server '%s' (server_id: %s) complete", $this->farmId, $message->getName(), $this->remoteIp, $this->serverId));
$this->Db->Execute("UPDATE messages SET status = ?, message = '' WHERE messageid = ?", array(MESSAGE_STATUS::HANDLED, $message->messageId));
} else {
$logger->warn(sprintf("[FarmID: %s] Cannot deliver message '%s' (message_id: %s) via REST" . " to server '%s' (server_id: %s). Error: %s %s", $this->farmId, $message->getName(), $message->messageId, $this->remoteIp, $this->serverId, $request->getResponseCode(), $request->getResponseStatus()));
}
} catch (HttpException $e) {
if (isset($e->innerException)) {
$msg = $e->innerException->getMessage();
} else {
$msg = $e->getMessage();
}
if ($this->farmId) {
$logger->warn(new FarmLogMessage($this->farmId, sprintf("Cannot deliver message '%s' (message_id: %s) via REST" . " to server '%s' (server_id: %s). Error: %s %s", $message->getName(), $message->messageId, $this->remoteIp, $this->serverId, $request->getResponseCode(), $msg)));
} else {
$logger->fatal(sprintf("Cannot deliver message '%s' (message_id: %s) via REST" . " to server '%s' (server_id: %s). Error: %s %s", $message->getName(), $message->messageId, $this->remoteIp, $this->serverId, $request->getResponseCode(), $msg));
}
return false;
}
} else {
if ($this->remoteIp) {
$community = $this->Db->GetOne("SELECT hash FROM farms WHERE id=?", array($this->farmId));
$snmpClient = new Scalr_Net_Snmp_Client();
$snmpClient->connect($this->remoteIp, 162, $community);
$converter = Scalr_Messaging_SnmpConverter::getInstance();
$trap = $converter->convert($message, $isEventNotice);
$res = $snmpClient->sendTrap($trap);
Logger::getLogger('DBServer')->info("[FarmID: {$this->farmId}] Sending message " . $message->getName() . " via SNMP ({$trap}) to '{$this->serverId}' ('{$this->remoteIp}') complete ({$res})");
}
}
return $message;
}
