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/*
* Copyright (C) 2001 Sistina Software (UK) Limited.
*
* This file is released under the GPL.
*/
#include "tools.h"
#include <stdio.h>
static int _backup_to_file(const char *file, struct volume_group *vg)
{
int r;
struct format_instance *tf;
void *context;
if (!(context = create_text_context(vg->cmd->fmtt, file,
vg->cmd->cmd_line)) ||
!(tf = vg->cmd->fmtt->ops->create_instance(vg->cmd->fmtt, NULL,
context))) {
log_error("Couldn't create backup object.");
return 0;
}
if (!(r = tf->fmt->ops->vg_write(tf, vg, context)) ||
!(r = tf->fmt->ops->vg_commit(tf, vg, context)))
stack;
tf->fmt->ops->destroy_instance(tf);
return r;
}
static int vg_backup_single(struct cmd_context *cmd, const char *vg_name)
{
struct volume_group *vg;
log_verbose("Checking for volume group \"%s\"", vg_name);
if (!(vg = vg_read(cmd, vg_name))) {
log_error("Volume group \"%s\" not found", vg_name);
return ECMD_FAILED;
}
if (arg_count(cmd, file_ARG)) {
_backup_to_file(arg_value(cmd, file_ARG), vg);
} else {
/* just use the normal backup code */
backup_enable(1); /* force a backup */
if (!backup(vg)) {
stack;
return ECMD_FAILED;
}
}
log_print("Volume group \"%s\" successfully backed up.", vg_name);
return 0;
}
int vgcfgbackup(struct cmd_context *cmd, int argc, char **argv)
{
if (!driver_is_loaded())
return ECMD_FAILED;
return process_each_vg(cmd, argc, argv, LCK_VG_READ, &vg_backup_single);
}
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