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mirror of git://sourceware.org/git/lvm2.git synced 2024-12-25 01:34:38 +03:00
lvm2/tools/toollib.c
2001-10-05 21:39:30 +00:00

123 lines
2.9 KiB
C

/*
* Copyright (C) 2001 Sistina Software
*
* This LVM library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This LVM library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this LVM library; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA
*
*/
#include "tools.h"
static int _autobackup = 1;
int autobackup_set()
{
return _autobackup;
}
int init_autobackup()
{
char *lvm_autobackup;
if (arg_count(autobackup_ARG)) {
_autobackup = strcmp(arg_str_value(autobackup_ARG, "y"), "n");
return 0;
}
_autobackup = 1; /* default */
lvm_autobackup = getenv("LVM_AUTOBACKUP");
if (!lvm_autobackup)
return 0;
log_print("using environment variable LVM_AUTOBACKUP "
"to set option A");
if (!strcasecmp(lvm_autobackup, "no"))
_autobackup = 0;
else if (strcasecmp(lvm_autobackup, "yes")) {
log_error("environment variable LVM_AUTOBACKUP has "
"invalid value \"%s\"!", lvm_autobackup);
return -1;
}
return 0;
}
int do_autobackup(struct volume_group *vg)
{
/***************
log_verbose("Changing lvmtab");
if ((vg_cfgbackup(vg_name, LVMTAB_DIR, vg))) {
log_error("\"%s\" writing \"%s\"", lvm_error(ret), LVMTAB);
return LVM_E_VG_CFGBACKUP;
}
**************/
if (!autobackup_set()) {
log_print
("WARNING: You don't have an automatic backup of %s",
vg->name);
return 0;
}
/***************
log_print("Creating automatic backup of volume group \"%s\"", vg_name);
if ((vg_cfgbackup(vg_name, VG_BACKUP_DIR, vg))) {
log_error("\"%s\" writing VG backup of \"%s\"", lvm_error(ret),
vg_name);
return LVM_E_VG_CFGBACKUP;
}
***************/
return 0;
}
int process_each_vg(int argc, char **argv,
int (*process_single) (const char *vg_name))
{
int opt = 0;
int ret_max = 0;
int ret = 0;
struct io_space *ios;
struct list_head *vgh;
struct name_list *vgs_list;
ios = active_ios();
if (argc) {
log_verbose("Using volume group(s) on command line");
for (; opt < argc; opt++)
if ((ret = process_single(argv[opt])) > ret_max)
ret_max = ret;
} else {
log_verbose("Finding all volume group(s)");
if (!(vgs_list = ios->get_vgs(ios))) {
log_error("No volume groups found");
return ECMD_FAILED;
}
list_for_each(vgh, &vgs_list->list) {
ret =
process_single(list_entry
(vgh, struct name_list, list)->name);
if (ret > ret_max)
ret_max = ret;
}
}
return ret_max;
}