restarter.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:4k
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #include "mgmapi.h"
- #include <string.h>
- #include <NdbMain.h>
- #include <OutputStream.hpp>
- #include <NdbOut.hpp>
- #include <NdbSleep.h>
- #include <getarg.h>
- #include <NdbRestarter.hpp>
- #include <NdbRestarts.hpp>
- #include <NDBT.hpp>
- int main(int argc, const char** argv){
- ndb_init();
- const char* _hostName = NULL;
- int _loops = 10;
- int _wait = 15;
- int _help = 0;
- int _error_insert = 0;
- int _initial = 0;
- int _master = 0;
- int _maxwait = 120;
- int _multiple = 0;
- struct getargs args[] = {
- { "seconds", 's', arg_integer, &_wait,
- "Seconds to wait between each restart(0=random)", "secs" },
- { "max seconds", 'm', arg_integer, &_maxwait,
- "Max seconds to wait between each restart. Default is 120 seconds",
- "msecs" },
- { "loops", 'l', arg_integer, &_loops,
- "Number of loops(0=forever)", "loops"},
- { "initial", 'i', arg_flag, &_initial, "Initial node restart"},
- { "error-insert", 'e', arg_flag, &_error_insert, "Use error insert"},
- { "master", 'm', arg_flag, &_master,
- "Restart the master"},
- { "multiple", 'x', arg_flag, &_multiple,
- "Multiple random node restarts. OBS! Even and odd node Ids must be separated into each node group"},
- { "usage", '?', arg_flag, &_help, "Print help", "" }
-
- };
- int num_args = sizeof(args) / sizeof(args[0]);
- int optind = 0;
- char desc[] =
- "hostname:portn"
- "This program will connect to the mgmsrv of a NDB cluster.n"
- "It will then wait for all nodes to be started, then restart node(s)n"
- "and wait for all to restart inbetween. It will do this n"
- "loop number of timesn";
- if(getarg(args, num_args, argc, argv, &optind) || _help) {
- arg_printusage(args, num_args, argv[0], desc);
- return NDBT_ProgramExit(NDBT_WRONGARGS);
- }
- _hostName = argv[optind];
-
- NdbRestarts restarts(_hostName);
- NdbRestarter restarter(_hostName);
-
- const char* restartName = "";
- if (_multiple){
- if (_master){
- restartName = "TwoMasterNodeFailure";
- }
- else {
- // Restart 50 percent of nodes
- restartName = "FiftyPercentFail";
- }
- }
- else if (_master){
- restartName = "RestartMasterNodeError";
- }else {
- if (_error_insert)
- restartName = "RestartRandomNodeError";
- else if (_initial)
- restartName = "RestartRandomNodeInitial";
- else
- restartName = "RestartRandomNode";
- }
- ndbout << "Performing " << restartName << endl;
- int result = NDBT_OK;
- int l = 0;
- while (_loops == 0 || l<_loops){
- g_info << "Waiting for cluster to start" << endl;
- while (restarter.waitClusterStarted(1) != 0){
- //g_warning << "Ndb failed to start in 2 minutes" << endl;
- }
-
- int seconds = _wait;
- if(seconds==0) {
- // Create random value, default 120 secs
- seconds = (rand() % _maxwait) + 1;
- }
- g_info << "Waiting for " << seconds << "(" << _maxwait
- << ") secs " << endl;
- NdbSleep_SecSleep(seconds);
- g_info << l << ": Restarting node(s) " << endl;
- if (restarts.executeRestart(restartName) != 0){
- result = NDBT_FAILED;
- break;
- }
- l++;
- }
- return NDBT_ProgramExit(NDBT_OK);
- }