function InitStep()
{
global $DB;
$wizard =& $this->GetWizard();
$node_id = intval($wizard->GetVar('node_id'));
if (!CModule::IncludeModule('cluster')) {
$this->SetError(GetMessage('CLUWIZ_NO_MODULE_ERROR'));
} elseif ($DB->type != "MYSQL") {
$this->SetError(GetMessage('CLUWIZ_DATABASE_NOT_SUPPORTED'));
} elseif ($node_id <= 1) {
$this->SetError(GetMessage('CLUWIZ_NO_NODE_ERROR'));
} else {
$this->arNode = CClusterDBNode::GetByID($node_id);
if (!is_array($this->arNode)) {
$this->SetError(GetMessage('CLUWIZ_NO_NODE_ERROR'));
} else {
// $arNode["ROLE_ID"] == "SLAVE"
// $arNode["STATUS"] == "READY"
$this->nodeDB = CDatabase::GetDBNodeConnection($this->arNode["ID"], true, false);
if (!is_object($this->nodeDB)) {
$this->SetError(GetMessage('CLUWIZ_NO_CONN_ERROR'));
}
}
}
}
function GetUpTime($node_id)
{
if ($node_id > 1) {
ob_start();
$DB = CDatabase::GetDBNodeConnection($node_id, true, false);
ob_end_clean();
} else {
$DB = $GLOBALS["DB"];
}
if (is_object($DB)) {
$rs = $DB->Query("show status like 'Uptime'", false, '', array('fixed_connection' => true));
if ($ar = $rs->Fetch()) {
return $ar["Value"];
}
}
return false;
}
function InitStep()
{
global $DB;
$wizard =& $this->GetWizard();
$node_id = intval($wizard->GetVar('node_id'));
if (!CModule::IncludeModule('cluster')) {
$this->SetError(GetMessage('CLUWIZ_NO_MODULE_ERROR'));
} elseif ($DB->type != "MYSQL") {
$this->SetError(GetMessage('CLUWIZ_DATABASE_NOT_SUPPORTED'));
} elseif ($node_id <= 1) {
$this->SetError(GetMessage('CLUWIZ_NO_NODE_ERROR'));
} else {
$this->arNode = CClusterDBNode::GetByID($node_id);
if (!is_array($this->arNode)) {
$this->SetError(GetMessage('CLUWIZ_NO_NODE_ERROR'));
} else {
// $arNode["ROLE_ID"] == "SLAVE"
// $arNode["STATUS"] == "READY"
$this->nodeDB = CDatabase::GetDBNodeConnection($this->arNode["ID"], true, false);
if (!is_object($this->nodeDB)) {
$this->SetError(GetMessage('CLUWIZ_NO_CONN_ERROR'));
} else {
$arGroup = CClusterGroup::GetArrayByID(intval($wizard->GetVar("group_id")));
if (!$arGroup) {
$this->SetError(GetMessage('CLUWIZ_NO_GROUP_ERROR'));
} else {
$cData = new CClusterDBNode();
$rsData = $cData->GetList(array(), array("=ROLE_ID" => array("MAIN", "MASTER"), "=GROUP_ID" => $arGroup["ID"], "=STATUS" => "ONLINE"));
$this->arMaster = $rsData->Fetch();
if (!$this->arMaster) {
$this->SetError(GetMessage('CLUWIZ_NO_MASTER_ERROR'));
}
}
}
}
}
}
public function Query($strSql, $bIgnoreErrors = false, $error_position = "", $arOptions = array())
{
global $DB;
$this->DoConnect();
$this->db_Error = "";
if ($this->DebugToFile || $DB->ShowSqlStat) {
$start_time = microtime(true);
}
//We track queries for DML statements
//and when there is no one we can choose
//to run query against master connection
//or replicated one
$connectionPool = \Bitrix\Main\Application::getInstance()->getConnectionPool();
if ($connectionPool->isMasterOnly()) {
//We requested to process all queries
//by master connection
} elseif ($this->bModuleConnection) {
//In case of dedicated module database
//were is nothing to do
} elseif (isset($arOptions["fixed_connection"])) {
//We requested to process this query
//by current connection
} elseif ($this->bNodeConnection) {
//It is node so nothing to do
} else {
if (isset($arOptions["ignore_dml"])) {
$connectionPool->ignoreDml(true);
}
$connection = $connectionPool->getSlaveConnection($strSql);
if (isset($arOptions["ignore_dml"])) {
$connectionPool->ignoreDml(false);
}
if ($connection !== null) {
if (!isset($this->obSlave)) {
$nodeId = $connection->getNodeId();
ob_start();
$conn = CDatabase::GetDBNodeConnection($nodeId, true);
ob_end_clean();
if (is_object($conn)) {
$this->obSlave = $conn;
} else {
self::$arNodes[$nodeId]["ONHIT_ERROR"] = true;
CClusterDBNode::SetOffline($nodeId);
}
}
if (is_object($this->obSlave)) {
return $this->obSlave->Query($strSql, $bIgnoreErrors, $error_position, $arOptions);
}
}
}
$result = $this->QueryInternal($strSql);
if ($this->DebugToFile || $DB->ShowSqlStat) {
/** @noinspection PhpUndefinedVariableInspection */
$exec_time = round(microtime(true) - $start_time, 10);
if ($DB->ShowSqlStat) {
$DB->addDebugQuery($strSql, $exec_time, $connectionPool->isSlavePossible() ? $this->node_id : -1);
}
if ($this->DebugToFile) {
$this->startSqlTracker()->writeFileLog($strSql, $exec_time, "CONN: " . $this->getThreadId());
}
}
if (!$result) {
$this->db_Error = $this->GetError();
$this->db_ErrorSQL = $strSql;
if (!$bIgnoreErrors) {
AddMessage2Log($error_position . " MySql Query Error: " . $strSql . " [" . $this->db_Error . "]", "main");
if ($this->DebugToFile) {
$this->startSqlTracker()->writeFileLog("ERROR: " . $this->db_Error, 0, "CONN: " . $this->getThreadId());
}
if ($this->debug || @session_start() && $_SESSION["SESS_AUTH"]["ADMIN"]) {
echo $error_position . "<br><font color=#ff0000>MySQL Query Error: " . htmlspecialcharsbx($strSql) . "</font>[" . htmlspecialcharsbx($this->db_Error) . "]<br>";
}
$error_position = preg_replace("#<br[^>]*>#i", "\n", $error_position);
SendError($error_position . "\nMySQL Query Error:\n" . $strSql . " \n [" . $this->db_Error . "]\n---------------\n\n");
if (file_exists($_SERVER["DOCUMENT_ROOT"] . BX_PERSONAL_ROOT . "/php_interface/dbquery_error.php")) {
include $_SERVER["DOCUMENT_ROOT"] . BX_PERSONAL_ROOT . "/php_interface/dbquery_error.php";
} elseif (file_exists($_SERVER["DOCUMENT_ROOT"] . "/bitrix/modules/main/include/dbquery_error.php")) {
include $_SERVER["DOCUMENT_ROOT"] . "/bitrix/modules/main/include/dbquery_error.php";
} else {
die("MySQL Query Error!");
}
die;
}
return false;
}
$res = new CDBResult($result);
$res->DB = $this;
if ($DB->ShowSqlStat) {
$res->SqlTraceIndex = count($DB->arQueryDebug) - 1;
}
return $res;
}
function SlaveConnection()
{
if (!class_exists('cmodule') || !class_exists('csqlwhere')) {
return null;
}
if (!CModule::IncludeModule('cluster')) {
return false;
}
$arSlaves = CClusterSlave::GetList();
if (empty($arSlaves)) {
return false;
}
$max_slave_delay = COption::GetOptionInt("cluster", "max_slave_delay", 10);
if (isset($_SESSION["BX_REDIRECT_TIME"])) {
$redirect_delay = time() - $_SESSION["BX_REDIRECT_TIME"] + 1;
if ($redirect_delay > 0 && $redirect_delay < $max_slave_delay) {
$max_slave_delay = $redirect_delay;
}
}
$total_weight = 0;
foreach ($arSlaves as $i => $slave) {
if (defined("BX_CLUSTER_GROUP") && BX_CLUSTER_GROUP != $slave["GROUP_ID"]) {
unset($arSlaves[$i]);
} elseif ($slave["ROLE_ID"] == "SLAVE") {
$arSlaveStatus = CClusterSlave::GetStatus($slave["ID"], true, false, false);
if ($arSlaveStatus['Seconds_Behind_Master'] > $max_slave_delay || $arSlaveStatus['Last_SQL_Error'] != '' || $arSlaveStatus['Last_IO_Error'] != '' || $arSlaveStatus['Slave_SQL_Running'] === 'No') {
unset($arSlaves[$i]);
} else {
$total_weight += $slave["WEIGHT"];
}
} else {
$total_weight += $slave["WEIGHT"];
}
}
$found = false;
foreach ($arSlaves as $slave) {
if (mt_rand(0, $total_weight) < $slave["WEIGHT"]) {
$found = $slave;
break;
}
}
if (!$found || $found["ROLE_ID"] != "SLAVE") {
return false;
//use main connection
} else {
ob_start();
$conn = CDatabase::GetDBNodeConnection($found["ID"], true);
ob_end_clean();
if (is_object($conn)) {
return $conn;
} else {
self::$arNodes[$found["ID"]]["ONHIT_ERROR"] = true;
CClusterDBNode::SetOffline($found["ID"]);
return false;
//use main connection
}
}
}
require_once $_SERVER["DOCUMENT_ROOT"] . BX_ROOT . "/modules/main/include/epilog_after.php";
die;
}
require_once $_SERVER["DOCUMENT_ROOT"] . "/bitrix/modules/main/classes/general/wizard.php";
$lang = $_REQUEST['lang'];
if (!preg_match('/^[a-z0-9_]{2}$/i', $lang)) {
$lang = 'en';
}
$wizard = new CWizard("bitrix:cluster.slave_start");
$wizard->IncludeWizardLang("scripts/drop.php", $lang);
CModule::IncludeModule('cluster');
$node_id = $_REQUEST["node_id"];
if ($node_id <= 1) {
$nodeDB = false;
} else {
$nodeDB = CDatabase::GetDBNodeConnection($node_id, true, false);
}
if (!is_object($nodeDB)) {
echo GetMessage('CLUWIZ_CONNECTION_ERROR');
} else {
$arTablesToDelete = array();
$rsTables = $nodeDB->Query("show tables", false, '', array("fixed_connection" => true));
while ($arTable = $rsTables->Fetch()) {
$arTablesToDelete[] = $arTable["Tables_in_" . $nodeDB->DBName];
}
if (empty($arTablesToDelete)) {
echo GetMessage("CLUWIZ_ALL_DONE");
echo '<script>EnableButton();</script>';
} else {
$table_name = array_pop($arTablesToDelete);
$nodeDB->Query("drop table " . $table_name, false, '', array("fixed_connection" => true));
/**
* Returns module database connection.
* Can be used only if module supports sharding.
*
* @param string $module_id
* @param bool $bModuleInclude
* @return bool|CDatabase
*/
public static function GetModuleConnection($module_id, $bModuleInclude = false)
{
$node_id = COption::GetOptionString($module_id, "dbnode_id", "N");
if (is_numeric($node_id)) {
if ($bModuleInclude) {
$status = COption::GetOptionString($module_id, "dbnode_status", "ok");
if ($status === "move") {
return false;
}
}
$moduleDB = CDatabase::GetDBNodeConnection($node_id, $bModuleInclude);
if (is_object($moduleDB)) {
$moduleDB->bModuleConnection = true;
return $moduleDB;
}
//There was an connection error
if ($bModuleInclude && CModule::IncludeModule('cluster')) {
CClusterDBNode::SetOffline($node_id);
}
//TODO: unclear what to return when node went offline
//in the middle of the hit.
return false;
} else {
return $GLOBALS["DB"];
}
}
function InitStep()
{
parent::InitStep();
$wizard =& $this->GetWizard();
$this->SetTitle(GetMessage('CLUWIZ_STEP2_TITLE'));
$this->SetPrevStep("step1");
$this->SetStepID("step2");
$this->SetCancelStep("cancel");
if (count($this->GetErrors()) == 0) {
$to_node_id = $wizard->GetVar('to_node_id');
if ($to_node_id < 2) {
$this->nodeDB = $GLOBALS["DB"];
} else {
$this->nodeDB = CDatabase::GetDBNodeConnection($to_node_id, true, false);
}
if (!is_object($this->nodeDB)) {
$this->SetError(GetMessage('CLUWIZ_NO_CONN_ERROR'));
}
}
}
function GetStatus($node_id, $bSlaveStatus = true, $bGlobalStatus = true, $bVariables = true)
{
global $DB;
$arNode = CClusterDBNode::GetByID($node_id);
if (!is_array($arNode)) {
return false;
}
if ($node_id == 1) {
$nodeDB = $DB;
} else {
ob_start();
$nodeDB = CDatabase::GetDBNodeConnection($node_id, true, false);
$error = ob_get_contents();
ob_end_clean();
}
if (!is_object($nodeDB)) {
return false;
}
$arStatus = array('server_id' => null);
if ($bVariables) {
$rs = $nodeDB->Query("show variables like 'server_id'", false, "", array("fixed_connection" => true));
if ($ar = $rs->Fetch()) {
$arStatus['server_id'] = $ar["Value"];
}
}
$rsSlaves = CClusterDBNode::GetList(array(), array("=MASTER_ID" => $node_id));
if ($rsSlaves->Fetch()) {
$arStatus = array_merge($arStatus, array('File' => null, 'Position' => null));
if ($bSlaveStatus) {
$rs = $nodeDB->Query("SHOW MASTER STATUS", true, "", array("fixed_connection" => true));
if (!$rs) {
return GetMessage("CLU_NO_PRIVILEGES", array("#sql#" => "GRANT REPLICATION CLIENT on *.* to '" . $nodeDB->DBLogin . "'@'%';"));
}
$ar = $rs->Fetch();
if (is_array($ar)) {
foreach ($ar as $key => $value) {
if ($key == 'Last_Error') {
$key = 'Last_SQL_Error';
}
if (array_key_exists($key, $arStatus)) {
$arStatus[$key] = $value;
}
}
}
}
}
if (strlen($arNode["MASTER_ID"])) {
$arStatus = array_merge($arStatus, array('Slave_IO_State' => null, 'Slave_IO_Running' => null, 'Read_Master_Log_Pos' => null, 'Slave_SQL_Running' => null, 'Exec_Master_Log_Pos' => null, 'Seconds_Behind_Master' => null, 'Last_IO_Error' => null, 'Last_SQL_Error' => null, 'Com_select' => null));
if ($bSlaveStatus) {
$rs = $nodeDB->Query("SHOW SLAVE STATUS", true, "", array("fixed_connection" => true));
if (!$rs) {
return GetMessage("CLU_NO_PRIVILEGES", array("#sql#" => "GRANT REPLICATION CLIENT on *.* to '" . $nodeDB->DBLogin . "'@'%';"));
}
$ar = $rs->Fetch();
if (is_array($ar)) {
foreach ($ar as $key => $value) {
if ($key == 'Last_Error') {
$key = 'Last_SQL_Error';
}
if (array_key_exists($key, $arStatus)) {
$arStatus[$key] = $value;
}
}
}
}
if ($bGlobalStatus) {
$rs = $nodeDB->Query("show global status where Variable_name in ('Com_select', 'Com_do')", true, "", array("fixed_connection" => true));
if (is_object($rs)) {
while ($ar = $rs->Fetch()) {
if ($ar['Variable_name'] == 'Com_do') {
$arStatus['Com_select'] -= $ar['Value'] * 2;
} else {
$arStatus['Com_select'] += $ar['Value'];
}
}
} else {
$rs = $nodeDB->Query("show status like 'Com_select'", false, "", array("fixed_connection" => true));
$ar = $rs->Fetch();
if ($ar) {
$arStatus['Com_select'] += $ar['Value'];
}
$rs = $nodeDB->Query("show status like 'Com_do'", false, "", array("fixed_connection" => true));
$ar = $rs->Fetch();
if ($ar) {
$arStatus['Com_select'] -= $ar['Value'] * 2;
}
}
}
}
return $arStatus;
}
public static function BringOnline()
{
$rsOfflineNodes = CClusterDBNode::GetList(array(), array("=STATUS" => "OFFLINE"), array("ID"));
if ($arNode = $rsOfflineNodes->Fetch()) {
ob_start();
$nodeDB = CDatabase::GetDBNodeConnection($arNode["ID"], true, false);
ob_end_clean();
if (is_object($nodeDB)) {
CClusterDBNode::SetOnline($arNode["ID"]);
}
return "CClusterDBNode::BringOnline();";
}
return "";
}
public function SlaveNodeForMaster($nodeDB)
{
global $DB;
$result = array();
$arMasters = array();
$cData = new CClusterDBNode();
$rsData = $cData->GetList(array("ID" => "ASC"), array("=ROLE_ID" => array("MAIN", "MASTER")));
while ($arData = $rsData->Fetch()) {
$arMasters[$arData["ID"]] = $arData;
}
$arMasters["v99"] = array();
//virtual connection must be alredy setup
foreach ($arMasters as $node_id => $arNode) {
if ($node_id == 1) {
$nodeDB = $DB;
} else {
$nodeDB = CDatabase::GetDBNodeConnection($node_id, true);
}
$arMasters[$node_id]["DB"] = $nodeDB;
}
$auto_increment_increment = count($arMasters);
$bIncIsOK = true;
foreach ($arMasters as $node_id => $arNode) {
$inc = $this->GetServerVariable($arNode["DB"], "auto_increment_increment");
if ($inc != $auto_increment_increment) {
$bIncIsOK = false;
if ($node_id == "v99") {
$result[$node_id . "_auto_increment_increment"] = array("IS_OK" => CClusterDBNodeCheck::ERROR, "MESSAGE" => GetMessage("CLU_AUTO_INCREMENT_INCREMENT_NODE_ERR_MSG", array("#value#" => $auto_increment_increment, "#current#" => $inc)), "WIZ_REC" => GetMessage("CLU_AUTO_INCREMENT_INCREMENT_WIZREC", array("#value#" => $auto_increment_increment)));
} else {
$result[$node_id . "_auto_increment_increment"] = array("IS_OK" => CClusterDBNodeCheck::ERROR, "MESSAGE" => GetMessage("CLU_AUTO_INCREMENT_INCREMENT_ERR_MSG", array("#node_id#" => $node_id, "#value#" => $auto_increment_increment, "#current#" => $inc)), "WIZ_REC" => GetMessage("CLU_AUTO_INCREMENT_INCREMENT_WIZREC", array("#value#" => $auto_increment_increment)));
}
}
}
if ($bIncIsOK) {
$result["_auto_increment_increment"] = array("IS_OK" => CClusterDBNodeCheck::OK, "MESSAGE" => GetMessage("CLU_AUTO_INCREMENT_INCREMENT_OK_MSG", array("#value#" => $auto_increment_increment)), "WIZ_REC" => "");
}
$auto_increment_offset = array();
$bIncIsOK = true;
foreach ($arMasters as $node_id => $arNode) {
$offset = $this->GetServerVariable($arNode["DB"], "auto_increment_offset");
$mod = $offset % $auto_increment_increment;
if (array_key_exists($mod, $auto_increment_offset)) {
$bIncIsOK = false;
if ($node_id == "v99") {
$result[$node_id . "_auto_increment_offset"] = array("IS_OK" => CClusterDBNodeCheck::ERROR, "MESSAGE" => GetMessage("CLU_AUTO_INCREMENT_OFFSET_NODE_ERR_MSG", array("#current#" => $offset)), "WIZ_REC" => GetMessage("CLU_AUTO_INCREMENT_OFFSET_WIZREC", array("#current#" => $offset)));
} else {
$result[$node_id . "_auto_increment_offset"] = array("IS_OK" => CClusterDBNodeCheck::ERROR, "MESSAGE" => GetMessage("CLU_AUTO_INCREMENT_OFFSET_ERR_MSG", array("#node_id#" => $node_id, "#current#" => $offset)), "WIZ_REC" => GetMessage("CLU_AUTO_INCREMENT_OFFSET_WIZREC", array("#current#" => $offset)));
}
} else {
$auto_increment_offset[$mod] = $node_id;
}
}
if ($bIncIsOK) {
$result["_auto_increment_offset"] = array("IS_OK" => CClusterDBNodeCheck::OK, "MESSAGE" => GetMessage("CLU_AUTO_INCREMENT_OFFSET_OK_MSG", array("#value#" => $auto_increment_increment)), "WIZ_REC" => "");
}
$bRelayIsOK = true;
foreach ($arMasters as $node_id => $arNode) {
$relay_log = $this->GetServerVariable($arNode["DB"], "relay_log");
if (strlen($relay_log) <= 0) {
$bIncIsOK = false;
$result[$node_id . "_relay_log"] = array("IS_OK" => CClusterDBNodeCheck::ERROR, "MESSAGE" => GetMessage("CLU_RELAY_LOG_ERR_MSG", array("#node_id#" => $node_id, "#relay-log#" => $relay_log)), "WIZ_REC" => GetMessage("CLU_RELAY_LOG_WIZREC"));
}
}
if ($bRelayIsOK) {
$result["_relay_log"] = array("IS_OK" => CClusterDBNodeCheck::OK, "MESSAGE" => GetMessage("CLU_RELAY_LOG_OK_MSG", array("#value#" => $auto_increment_increment)), "WIZ_REC" => "");
}
$log_bin = $this->GetServerVariable($nodeDB, "log_bin");
$is_ok = $log_bin === "ON";
$result["log_bin"] = array("IS_OK" => $is_ok ? CClusterDBNodeCheck::OK : CClusterDBNodeCheck::ERROR, "MESSAGE" => GetMessage("CLU_LOG_BIN_NODE_MSG", array("#log-bin#" => $log_bin)), "WIZ_REC" => GetMessage("CLU_LOG_BIN_WIZREC"));
$skip_networking = $this->GetServerVariable($nodeDB, "skip_networking");
$is_ok = $skip_networking === "OFF";
$result["skip_networking"] = array("IS_OK" => $is_ok ? CClusterDBNodeCheck::OK : CClusterDBNodeCheck::ERROR, "MESSAGE" => GetMessage("CLU_SKIP_NETWORKING_NODE_MSG", array("#skip-networking#" => $skip_networking)), "WIZ_REC" => GetMessage("CLU_SKIP_NETWORKING_WIZREC"));
$innodb_flush_log_at_trx_commit = $this->GetServerVariable($nodeDB, "innodb_flush_log_at_trx_commit");
$is_ok = $innodb_flush_log_at_trx_commit === '1';
$result["innodb_flush_log_at_trx_commit"] = array("IS_OK" => $is_ok ? CClusterDBNodeCheck::OK : CClusterDBNodeCheck::WARNING, "MESSAGE" => GetMessage("CLU_FLUSH_ON_COMMIT_MSG", array("#innodb_flush_log_at_trx_commit#" => $innodb_flush_log_at_trx_commit)), "WIZ_REC" => "");
$sync_binlog = $this->GetServerVariable($nodeDB, "sync_binlog");
$is_ok = $sync_binlog === '1';
$result["sync_binlog"] = array("IS_OK" => $is_ok ? CClusterDBNodeCheck::OK : CClusterDBNodeCheck::WARNING, "MESSAGE" => GetMessage("CLU_SYNC_BINLOG_MSG", array("#sync_binlog#" => $sync_binlog)), "WIZ_REC" => "");
$DatabaseName = $DB->DBName;
$is_ok = false;
$rsBinLogs = $nodeDB->Query("show master status", true, '', array("fixed_connection" => true));
if (!$rsBinLogs) {
$result["master_status"] = array("IS_OK" => CClusterDBNodeCheck::ERROR, "MESSAGE" => GetMessage("CLU_MASTER_STATUS_MSG"), "WIZ_REC" => GetMessage("CLU_MASTER_STATUS_WIZREC", array("#sql#" => "GRANT REPLICATION CLIENT on *.* to 'user name'@'%';")));
} else {
if ($ar = $rsBinLogs->Fetch()) {
if ($ar["Binlog_Do_DB"] === $DatabaseName) {
$is_ok = true;
}
}
while ($ar = $rsBinLogs->Fetch()) {
$is_ok = false;
}
$result["binlog_do_db"] = array("IS_OK" => $is_ok ? CClusterDBNodeCheck::OK : CClusterDBNodeCheck::ERROR, "MESSAGE" => GetMessage("CLU_SYNC_BINLOGDODB_MSG"), "WIZ_REC" => GetMessage("CLU_SYNC_BINLOGDODB_WIZREC", array("#database#" => $DatabaseName)));
}
return $result;
}