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lvm2/tools/vgcfgrestore.c

73 lines
2.0 KiB
C

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser 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 "tools.h"
int vgcfgrestore(struct cmd_context *cmd, int argc, char **argv)
{
char *vg_name = NULL;
if (argc == 1) {
vg_name = skip_dev_dir(cmd, argv[0], NULL);
if (!validate_name(vg_name)) {
log_error("Volume group name \"%s\" is invalid", vg_name);
return ECMD_FAILED;
}
} else if (!(arg_count(cmd, list_ARG) && arg_count(cmd, file_ARG))) {
log_err("Please specify a *single* volume group to restore.");
return ECMD_FAILED;
}
/*
* FIXME: overloading the -l arg for now to display a
* list of archive files for a particular vg
*/
if (arg_count(cmd, list_ARG)) {
if (!(arg_count(cmd,file_ARG) ?
archive_display_file(cmd,
arg_str_value(cmd, file_ARG, "")) :
archive_display(cmd, vg_name)))
return ECMD_FAILED;
return ECMD_PROCESSED;
}
if (!lock_vol(cmd, ORPHAN, LCK_VG_WRITE)) {
log_error("Unable to lock orphans");
return ECMD_FAILED;
}
if (!lock_vol(cmd, vg_name, LCK_VG_WRITE | LCK_NONBLOCK)) {
log_error("Unable to lock volume group %s", vg_name);
unlock_vg(cmd, ORPHAN);
return ECMD_FAILED;
}
if (!(arg_count(cmd, file_ARG) ?
backup_restore_from_file(cmd, vg_name,
arg_str_value(cmd, file_ARG, "")) :
backup_restore(cmd, vg_name))) {
unlock_vg(cmd, vg_name);
unlock_vg(cmd, ORPHAN);
log_err("Restore failed.");
return ECMD_FAILED;
}
log_print("Restored volume group %s", vg_name);
unlock_vg(cmd, vg_name);
unlock_vg(cmd, ORPHAN);
return ECMD_PROCESSED;
}