use of io.mycat.backend.datasource.PhysicalDBPool in project Mycat-Server by MyCATApache.
the class MigrateUtils method execulteSql.
public static void execulteSql(String sql, String toDn) throws SQLException, IOException {
PhysicalDBNode dbNode = MycatServer.getInstance().getConfig().getDataNodes().get(toDn);
PhysicalDBPool dbPool = dbNode.getDbPool();
PhysicalDatasource datasource = dbPool.getSources()[dbPool.getActivedIndex()];
DBHostConfig config = datasource.getConfig();
Connection con = null;
try {
con = DriverManager.getConnection("jdbc:mysql://" + config.getUrl() + "/" + dbNode.getDatabase(), config.getUser(), config.getPassword());
JdbcUtils.execute(con, sql, new ArrayList<>());
} finally {
JdbcUtils.close(con);
}
}
use of io.mycat.backend.datasource.PhysicalDBPool in project Mycat-Server by MyCATApache.
the class MigrateDumpRunner method run.
@Override
public void run() {
try {
String mysqldump = "?mysqldump -h? -P? -u? -p? ? ? --single-transaction -q --default-character-set=utf8mb4 --hex-blob --where=\"?\" --master-data=1 -T \"?\" --fields-enclosed-by=\\\" --fields-terminated-by=, --lines-terminated-by=\\n --fields-escaped-by=\\\\ ";
PhysicalDBPool dbPool = MycatServer.getInstance().getConfig().getDataNodes().get(task.getFrom()).getDbPool();
PhysicalDatasource datasource = dbPool.getSources()[dbPool.getActivedIndex()];
DBHostConfig config = datasource.getConfig();
File file = null;
String spath = querySecurePath(config);
if (Strings.isNullOrEmpty(spath) || "NULL".equalsIgnoreCase(spath) || "empty".equalsIgnoreCase(spath)) {
file = new File(SystemConfig.getHomePath() + File.separator + "temp", "dump");
// task.getFrom() + "_" + task.getTo() + Thread.currentThread().getId() + System.currentTimeMillis() + "");
} else {
spath += Thread.currentThread().getId() + System.currentTimeMillis();
file = new File(spath);
}
file.mkdirs();
String encose = OperatingSystem.isWindows() ? "\\" : "";
String finalCmd = DataMigratorUtil.paramsAssignment(mysqldump, "?", "", config.getIp(), String.valueOf(config.getPort()), config.getUser(), config.getPassword(), MigrateUtils.getDatabaseFromDataNode(task.getFrom()), task.getTable(), makeWhere(task), file.getPath());
List<String> args = Arrays.asList("mysqldump", "-h" + config.getIp(), "-P" + String.valueOf(config.getPort()), "-u" + config.getUser(), "-p" + config.getPassword(), MigrateUtils.getDatabaseFromDataNode(task.getFrom()), task.getTable(), "--single-transaction", "-q", "--default-character-set=utf8mb4", "--hex-blob", "--where=" + makeWhere(task), "--master-data=1", "-T" + file.getPath(), "--fields-enclosed-by=" + encose + "\"", "--fields-terminated-by=,", "--lines-terminated-by=\\n", "--fields-escaped-by=\\\\");
String result = ProcessUtil.execReturnString(args);
int logIndex = result.indexOf("MASTER_LOG_FILE='");
int logPosIndex = result.indexOf("MASTER_LOG_POS=");
String logFile = result.substring(logIndex + 17, logIndex + 17 + result.substring(logIndex + 17).indexOf("'"));
String logPos = result.substring(logPosIndex + 15, logPosIndex + 15 + result.substring(logPosIndex + 15).indexOf(";"));
task.setBinlogFile(logFile);
task.setPos(Integer.parseInt(logPos));
File dataFile = new File(file, task.getTable() + ".txt");
File sqlFile = new File(file, task.getTable() + ".sql");
List<String> createTable = Files.readLines(sqlFile, Charset.forName("UTF-8"));
exeCreateTableToDn(extractCreateSql(createTable), task.getTo(), task.getTable());
if (dataFile.length() > 0) {
loaddataToDn(dataFile, task.getTo(), task.getTable());
}
pushMsgToZK(task.getZkpath(), task.getFrom() + "-" + task.getTo(), 1, "sucess", logFile, logPos);
DataMigratorUtil.deleteDir(file);
sucessTask.getAndIncrement();
} catch (Exception e) {
try {
pushMsgToZK(task.getZkpath(), task.getFrom() + "-" + task.getTo(), 0, e.getMessage(), "", "");
} catch (Exception e1) {
}
LOGGER.error("error:", e);
} finally {
latch.countDown();
}
}
use of io.mycat.backend.datasource.PhysicalDBPool in project Mycat-Server by MyCATApache.
the class MigrateDumpRunner method loaddataToDn.
private void loaddataToDn(File loaddataFile, String toDn, String table) throws SQLException, IOException {
PhysicalDBNode dbNode = MycatServer.getInstance().getConfig().getDataNodes().get(toDn);
PhysicalDBPool dbPool = dbNode.getDbPool();
PhysicalDatasource datasource = dbPool.getSources()[dbPool.getActivedIndex()];
DBHostConfig config = datasource.getConfig();
Connection con = null;
try {
con = DriverManager.getConnection("jdbc:mysql://" + config.getUrl() + "/" + dbNode.getDatabase(), config.getUser(), config.getPassword());
String sql = "load data local infile '" + loaddataFile.getPath().replace("\\", "//") + "' replace into table " + table + " character set 'utf8mb4' fields terminated by ',' enclosed by '\"' ESCAPED BY '\\\\' lines terminated by '\\n'";
JdbcUtils.execute(con, sql, new ArrayList<>());
} finally {
JdbcUtils.close(con);
}
}
use of io.mycat.backend.datasource.PhysicalDBPool in project Mycat-Server by MyCATApache.
the class MigrateDumpRunner method exeCreateTableToDn.
private void exeCreateTableToDn(String sql, String toDn, String table) throws SQLException {
PhysicalDBNode dbNode = MycatServer.getInstance().getConfig().getDataNodes().get(toDn);
PhysicalDBPool dbPool = dbNode.getDbPool();
PhysicalDatasource datasource = dbPool.getSources()[dbPool.getActivedIndex()];
DBHostConfig config = datasource.getConfig();
Connection con = null;
try {
con = DriverManager.getConnection("jdbc:mysql://" + config.getUrl() + "/" + dbNode.getDatabase(), config.getUser(), config.getPassword());
JdbcUtils.execute(con, sql, new ArrayList<>());
} finally {
JdbcUtils.close(con);
}
}
use of io.mycat.backend.datasource.PhysicalDBPool in project Mycat-Server by MyCATApache.
the class MigrateMainRunner method run.
@Override
public void run() {
AtomicInteger sucessTask = new AtomicInteger(0);
CountDownLatch downLatch = new CountDownLatch(migrateTaskList.size());
for (MigrateTask migrateTask : migrateTaskList) {
MycatServer.getInstance().getBusinessExecutor().submit(new MigrateDumpRunner(migrateTask, downLatch, sucessTask));
}
try {
downLatch.await(2, TimeUnit.HOURS);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
// 同一个dataHost的任务合并执行,避免过多流量浪费
if (sucessTask.get() == migrateTaskList.size()) {
long binlogFileNum = -1;
String binlogFile = "";
long pos = -1;
for (MigrateTask migrateTask : migrateTaskList) {
if (binlogFileNum == -1) {
binlogFileNum = Integer.parseInt(migrateTask.getBinlogFile().substring(migrateTask.getBinlogFile().lastIndexOf(".") + 1));
binlogFile = migrateTask.getBinlogFile();
pos = migrateTask.getPos();
} else {
int tempBinlogFileNum = Integer.parseInt(migrateTask.getBinlogFile().substring(migrateTask.getBinlogFile().lastIndexOf(".") + 1));
if (tempBinlogFileNum <= binlogFileNum && migrateTask.getPos() <= pos) {
binlogFileNum = tempBinlogFileNum;
binlogFile = migrateTask.getBinlogFile();
pos = migrateTask.getPos();
}
}
}
String taskPath = migrateTaskList.get(0).getZkpath();
taskPath = taskPath.substring(0, taskPath.lastIndexOf("/"));
String taskID = taskPath.substring(taskPath.lastIndexOf('/') + 1, taskPath.length());
// 开始增量数据迁移
PhysicalDBPool dbPool = MycatServer.getInstance().getConfig().getDataHosts().get(dataHost);
PhysicalDatasource datasource = dbPool.getSources()[dbPool.getActivedIndex()];
DBHostConfig config = datasource.getConfig();
BinlogStream stream = new BinlogStream(config.getUrl().substring(0, config.getUrl().indexOf(":")), config.getPort(), config.getUser(), config.getPassword());
try {
stream.setSlaveID(migrateTaskList.get(0).getSlaveId());
stream.setBinglogFile(binlogFile);
stream.setBinlogPos(pos);
stream.setMigrateTaskList(migrateTaskList);
BinlogStreamHoder.binlogStreamMap.put(taskID, stream);
stream.connect();
} catch (IOException e) {
LOGGER.error("error:", e);
}
}
}
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