ceph/src/mkmonfs.cc
2009-01-30 15:47:59 -08:00

89 lines
2.1 KiB
C++

// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "mon/MonitorStore.cc"
#include "config.h"
#include "mon/Monitor.h"
#include "mon/MonMap.h"
#include "mds/MDSMap.h"
#include "osd/OSDMap.h"
#include "mon/PGMap.h"
void usage()
{
cerr << "usage: ./mkmonfs [--clobber] <monfs dir> --mon <monid> --monmap <file> --osdmap <file>" << std::endl;
exit(1);
}
int main(int argc, const char **argv)
{
vector<const char*> args;
argv_to_vec(argc, argv, args);
bool clobber = false;
const char *fsdir = 0;
int whoami = -1;
const char *monmapfn = 0;
const char *osdmapfn = 0;
for (unsigned i = 0; i < args.size(); i++) {
if (strcmp(args[i], "--clobber") == 0)
clobber = true;
else if (strcmp(args[i], "--mon") == 0)
whoami = atoi(args[++i]);
else if (strcmp(args[i], "--monmap") == 0)
monmapfn = args[++i];
else if (strcmp(args[i], "--osdmap") == 0)
osdmapfn = args[++i];
else if (!fsdir)
fsdir = args[i];
else
usage();
}
if (!fsdir || !monmapfn ||
whoami < 0)
usage();
if (!clobber) {
// make sure it doesn't exist
struct stat st;
if (::lstat(fsdir, &st) == 0) {
cerr << "monfs dir " << fsdir << " already exists; remove it first" << std::endl;
usage();
}
}
// load monmap
bufferlist monmapbl, osdmapbl;
int err = monmapbl.read_file(monmapfn);
if (err < 0)
exit(1);
MonMap monmap;
monmap.decode(monmapbl);
err = osdmapbl.read_file(osdmapfn);
if (err < 0)
exit(1);
// go
MonitorStore store(fsdir);
Monitor mon(whoami, &store, 0, &monmap);
mon.mkfs(osdmapbl);
cout << argv[0] << ": created monfs at " << fsdir
<< " for mon" << whoami
<< std::endl;
return 0;
}