1 /* $NetBSD: vgtest.c,v 1.1.1.1 2009/12/02 00:26:03 haad Exp $ */
2
3 /*
4 * Copyright (C) 2009 Red Hat, Inc. All rights reserved.
5 *
6 * This file is part of LVM2.
7 *
8 * This copyrighted material is made available to anyone wishing to use,
9 * modify, copy, or redistribute it subject to the terms and conditions
10 * of the GNU Lesser General Public License v.2.1.
11 *
12 * You should have received a copy of the GNU Lesser General Public License
13 * along with this program; if not, write to the Free Software Foundation,
14 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
15 */
16 /*
17 * Unit test case for vgcreate and related APIs.
18 * # gcc -g vgcreate.c -I../../liblvm -I../../include -L../../liblvm \
19 * -L../../libdm -ldevmapper -llvm2app
20 * # export LD_LIBRARY_PATH=`pwd`/../../libdm:`pwd`/../../liblvm
21 */
22 #include <stdio.h>
23 #include <unistd.h>
24 #include <inttypes.h>
25
26 #include "lvm2app.h"
27
28 lvm_t handle;
29 vg_t vg;
30 const char *vg_name;
31 #define MAX_DEVICES 16
32 const char *device[MAX_DEVICES];
33 uint64_t size = 1024;
34
35 #define vg_create(vg_name) \
36 printf("Creating VG %s\n", vg_name); \
37 vg = lvm_vg_create(handle, vg_name); \
38 if (!vg) { \
39 fprintf(stderr, "Error creating volume group %s\n", vg_name); \
40 goto bad; \
41 }
42 #define vg_extend(vg, dev) \
43 printf("Extending VG %s by %s\n", vg_name, dev); \
44 status = lvm_vg_extend(vg, dev); \
45 if (status) { \
46 fprintf(stderr, "Error extending volume group %s " \
47 "with device %s\n", vg_name, dev); \
48 goto bad; \
49 }
50 #define vg_commit(vg) \
51 printf("Committing VG %s to disk\n", vg_name); \
52 status = lvm_vg_write(vg); \
53 if (status) { \
54 fprintf(stderr, "Commit of volume group '%s' failed\n", \
55 lvm_vg_get_name(vg)); \
56 goto bad; \
57 }
58 #define vg_open(vg_name, mode) \
59 printf("Opening VG %s %s\n", vg_name, mode); \
60 vg = lvm_vg_open(handle, vg_name, mode, 0); \
61 if (!vg) { \
62 fprintf(stderr, "Error opening volume group %s\n", vg_name); \
63 goto bad; \
64 }
65 #define vg_close(vg) \
66 printf("Closing VG %s\n", vg_name); \
67 if (lvm_vg_close(vg)) { \
68 fprintf(stderr, "Error closing volume group %s\n", vg_name); \
69 goto bad; \
70 }
71 #define vg_reduce(vg, dev) \
72 printf("Reducing VG %s by %s\n", vg_name, dev); \
73 status = lvm_vg_reduce(vg, dev); \
74 if (status) { \
75 fprintf(stderr, "Error reducing volume group %s " \
76 "by device %s\n", vg_name, dev); \
77 goto bad; \
78 }
79 #define vg_remove(vg) \
80 printf("Removing VG %s from system\n", vg_name); \
81 status = lvm_vg_remove(vg); \
82 if (status) { \
83 fprintf(stderr, "Revmoval of volume group '%s' failed\n", \
84 vg_name); \
85 goto bad; \
86 }
87
init_vgtest(int argc,char * argv[])88 static int init_vgtest(int argc, char *argv[])
89 {
90 int i;
91
92 if (argc < 4) {
93 fprintf(stderr, "Usage: %s <vgname> <pv1> <pv2> [... <pvN> ]",
94 argv[0]);
95 return -1;
96 }
97 vg_name = argv[1];
98 for(i=2; i<MAX_DEVICES && i < argc; i++) {
99 device[i-2] = argv[i];
100 }
101 return 0;
102 }
103
main(int argc,char * argv[])104 int main(int argc, char *argv[])
105 {
106 int status;
107
108 if (init_vgtest(argc, argv) < 0)
109 goto bad;
110
111 /* FIXME: make the below messages verbose-only and print PASS/FAIL*/
112 printf("Opening LVM\n");
113 handle = lvm_init(NULL);
114 if (!handle) {
115 fprintf(stderr, "Unable to lvm_init\n");
116 goto bad;
117 }
118
119 printf("Library version: %s\n", lvm_library_get_version());
120 vg_create(vg_name);
121 vg_extend(vg, device[0]);
122
123 printf("Setting VG %s extent_size to %"PRIu64"\n", vg_name, size);
124 status = lvm_vg_set_extent_size(vg, size);
125 if (status) {
126 fprintf(stderr, "Can not set physical extent "
127 "size '%"PRIu64"' for '%s'\n",
128 size, vg_name);
129 goto bad;
130 }
131
132 vg_commit(vg);
133 vg_close(vg);
134
135 vg_open(vg_name, "r");
136 vg_close(vg);
137
138 vg_open(vg_name, "w");
139 vg_extend(vg, device[1]);
140 vg_reduce(vg, device[0]);
141 vg_commit(vg);
142 vg_close(vg);
143
144 vg_open(vg_name, "w");
145 vg_extend(vg, device[0]);
146 vg_commit(vg);
147 vg_close(vg);
148
149 vg_open(vg_name, "w");
150 vg_remove(vg);
151 vg_commit(vg);
152 vg_close(vg);
153
154 lvm_quit(handle);
155 printf("liblvm vgcreate unit test PASS\n");
156 _exit(0);
157 bad:
158 printf("liblvm vgcreate unit test FAIL\n");
159 if (handle && lvm_errno(handle))
160 fprintf(stderr, "LVM Error: %s\n", lvm_errmsg(handle));
161 if (vg)
162 lvm_vg_close(vg);
163 if (handle)
164 lvm_quit(handle);
165 _exit(-1);
166 }
167