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 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 } 103 104 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