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/*
* Copyright (C) 2009 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
*/
/*
* Unit test case for vgcreate and related APIs.
* # gcc -g vgcreate.c -I../../liblvm -I../../include -L../../liblvm \
* -L../../libdm -ldevmapper -llvm2app
* # export LD_LIBRARY_PATH=`pwd`/../../libdm:`pwd`/../../liblvm
*/
#include <stdio.h>
#include <unistd.h>
#include <inttypes.h>
#include "lvm2app.h"
lvm_t handle;
vg_t vg;
const char *vg_name;
#define MAX_DEVICES 16
const char *device[MAX_DEVICES];
uint64_t size = 1024;
#define vg_create(vg_name) \
printf("Creating VG %s\n", vg_name); \
vg = lvm_vg_create(handle, vg_name); \
if (!vg) { \
fprintf(stderr, "Error creating volume group %s\n", vg_name); \
goto bad; \
}
#define vg_extend(vg, dev) \
printf("Extending VG %s by %s\n", vg_name, dev); \
status = lvm_vg_extend(vg, dev); \
if (status) { \
fprintf(stderr, "Error extending volume group %s " \
"with device %s\n", vg_name, dev); \
goto bad; \
}
#define vg_commit(vg) \
printf("Committing VG %s to disk\n", vg_name); \
status = lvm_vg_write(vg); \
if (status) { \
fprintf(stderr, "Commit of volume group '%s' failed\n", \
lvm_vg_get_name(vg)); \
goto bad; \
}
#define vg_open(vg_name, mode) \
printf("Opening VG %s %s\n", vg_name, mode); \
vg = lvm_vg_open(handle, vg_name, mode, 0); \
if (!vg) { \
fprintf(stderr, "Error opening volume group %s\n", vg_name); \
goto bad; \
}
#define vg_close(vg) \
printf("Closing VG %s\n", vg_name); \
if (lvm_vg_close(vg)) { \
fprintf(stderr, "Error closing volume group %s\n", vg_name); \
goto bad; \
}
#define vg_reduce(vg, dev) \
printf("Reducing VG %s by %s\n", vg_name, dev); \
status = lvm_vg_reduce(vg, dev); \
if (status) { \
fprintf(stderr, "Error reducing volume group %s " \
"by device %s\n", vg_name, dev); \
goto bad; \
}
#define vg_remove(vg) \
printf("Removing VG %s from system\n", vg_name); \
status = lvm_vg_remove(vg); \
if (status) { \
fprintf(stderr, "Revmoval of volume group '%s' failed\n", \
vg_name); \
goto bad; \
}
static int init_vgtest(int argc, char *argv[])
{
int i;
if (argc < 4) {
fprintf(stderr, "Usage: %s <vgname> <pv1> <pv2> [... <pvN> ]",
argv[0]);
return -1;
}
vg_name = argv[1];
for(i=2; i<MAX_DEVICES && i < argc; i++) {
device[i-2] = argv[i];
}
return 0;
}
int main(int argc, char *argv[])
{
int status;
if (init_vgtest(argc, argv) < 0)
goto bad;
/* FIXME: make the below messages verbose-only and print PASS/FAIL*/
printf("Opening LVM\n");
handle = lvm_init(NULL);
if (!handle) {
fprintf(stderr, "Unable to lvm_init\n");
goto bad;
}
printf("Library version: %s\n", lvm_library_get_version());
vg_create(vg_name);
vg_extend(vg, device[0]);
printf("Setting VG %s extent_size to %"PRIu64"\n", vg_name, size);
status = lvm_vg_set_extent_size(vg, size);
if (status) {
fprintf(stderr, "Can not set physical extent "
"size '%"PRIu64"' for '%s'\n",
size, vg_name);
goto bad;
}
vg_commit(vg);
vg_close(vg);
vg_open(vg_name, "r");
vg_close(vg);
vg_open(vg_name, "w");
vg_extend(vg, device[1]);
vg_reduce(vg, device[0]);
vg_commit(vg);
vg_close(vg);
vg_open(vg_name, "w");
vg_extend(vg, device[0]);
vg_commit(vg);
vg_close(vg);
vg_open(vg_name, "w");
vg_remove(vg);
vg_commit(vg);
vg_close(vg);
lvm_quit(handle);
printf("liblvm vgcreate unit test PASS\n");
_exit(0);
bad:
printf("liblvm vgcreate unit test FAIL\n");
if (handle && lvm_errno(handle))
fprintf(stderr, "LVM Error: %s\n", lvm_errmsg(handle));
if (vg)
lvm_vg_close(vg);
if (handle)
lvm_quit(handle);
_exit(-1);
}
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