2 * Copyright (C) 2010 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <libvirt/libvirt.h>
31 #include <libvirt/virterror.h>
40 /* These globals are shared with options.c. */
45 int keys_from_stdin = 0;
47 const char *libvirt_uri = NULL;
50 int csv = 0; /* --csv */
51 int human = 0; /* --human-readable|-h */
52 int inodes = 0; /* --inodes */
53 int one_per_guest = 0; /* --one-per-guest */
54 int uuid = 0; /* --uuid */
57 bad_cast (char const *s)
62 static void __attribute__((noreturn))
65 if (status != EXIT_SUCCESS)
66 fprintf (stderr, _("Try `%s --help' for more information.\n"),
70 _("%s: display free space on virtual filesystems\n"
71 "Copyright (C) 2010 Red Hat Inc.\n"
73 " %s [--options] -d domname\n"
74 " %s [--options] -a disk.img [-a disk.img ...]\n"
76 " -a|--add image Add image\n"
77 " -c|--connect uri Specify libvirt URI for -d option\n"
78 " --csv Output as Comma-Separated Values\n"
79 " -d|--domain guest Add disks from libvirt guest\n"
80 " --format[=raw|..] Force disk format for -a option\n"
81 " -h|--human-readable Human-readable sizes in --long output\n"
82 " --help Display brief help\n"
83 " -i|--inodes Display inodes\n"
84 " --one-per-guest Separate appliance per guest\n"
85 " --uuid Add UUIDs to --long output\n"
86 " -v|--verbose Verbose messages\n"
87 " -V|--version Display version and exit\n"
88 " -x Trace libguestfs API calls\n"
89 "For more information, see the manpage %s(1).\n"),
90 program_name, program_name, program_name,
97 main (int argc, char *argv[])
99 /* Set global program name that is not polluted with libtool artifacts. */
100 set_program_name (argv[0]);
102 setlocale (LC_ALL, "");
103 bindtextdomain (PACKAGE, LOCALEBASEDIR);
104 textdomain (PACKAGE);
106 enum { HELP_OPTION = CHAR_MAX + 1 };
108 static const char *options = "a:c:d:hivVx";
109 static const struct option long_options[] = {
110 { "add", 1, 0, 'a' },
111 { "connect", 1, 0, 'c' },
113 { "domain", 1, 0, 'd' },
114 { "format", 2, 0, 0 },
115 { "help", 0, 0, HELP_OPTION },
116 { "human-readable", 0, 0, 'h' },
117 { "inodes", 0, 0, 'i' },
118 { "one-per-guest", 0, 0, 0 },
120 { "verbose", 0, 0, 'v' },
121 { "version", 0, 0, 'V' },
124 struct drv *drvs = NULL;
126 const char *format = NULL;
130 g = guestfs_create ();
132 fprintf (stderr, _("guestfs_create: failed to create handle\n"));
136 argv[0] = bad_cast (program_name);
139 c = getopt_long (argc, argv, options, long_options, &option_index);
143 case 0: /* options which are long only */
144 if (STREQ (long_options[option_index].name, "format")) {
145 if (!optarg || STREQ (optarg, ""))
149 } else if (STREQ (long_options[option_index].name, "csv")) {
151 } else if (STREQ (long_options[option_index].name, "one-per-guest")) {
153 } else if (STREQ (long_options[option_index].name, "uuid")) {
156 fprintf (stderr, _("%s: unknown long option: %s (%d)\n"),
157 program_name, long_options[option_index].name, option_index);
195 usage (EXIT_SUCCESS);
198 usage (EXIT_FAILURE);
202 /* Old-style syntax? There were no -a or -d options in the old
203 * virt-df which is how we detect this.
206 while (optind < argc) {
207 if (strchr (argv[optind], '/') ||
208 access (argv[optind], F_OK) == 0) { /* simulate -a option */
209 drv = malloc (sizeof (struct drv));
215 drv->a.filename = argv[optind];
216 drv->a.format = NULL;
219 } else { /* simulate -d option */
220 drv = malloc (sizeof (struct drv));
226 drv->d.guest = argv[optind];
235 /* These are really constants, but they have to be variables for the
236 * options parsing code. Assert here that they have known-good
239 assert (read_only == 1);
240 assert (inspector == 0);
242 /* Must be no extra arguments on the command line. */
244 usage (EXIT_FAILURE);
246 /* -h and --csv doesn't make sense. Spreadsheets will corrupt these
247 * fields. (RHBZ#600977).
250 fprintf (stderr, _("%s: you cannot use -h and --csv options together.\n"),
255 /* If the user didn't specify any drives, then we ask libvirt for
256 * the full list of guests and drives, which we add in batches.
260 get_domains_from_libvirt ();
262 fprintf (stderr, _("%s: compiled without support for libvirt.\n"),
270 /* Add domains/drives from the command line (for a single guest). */
271 add_drives (drvs, 'a');
273 if (guestfs_launch (g) == -1)
278 /* Synthesize a display name. */
279 switch (drvs->type) {
281 name = strrchr (drvs->a.filename, '/');
283 name = drvs->a.filename;
285 name++; /* skip '/' character */
288 name = drvs->d.guest;
295 /* XXX regression: in the Perl version we cached the UUID from the
296 * libvirt domain handle so it was available to us here. In this
297 * version the libvirt domain handle is hidden inside
298 * guestfs_add_domain so the UUID is not available easily for
299 * single '-d' command-line options.
301 (void) df_on_handle (name, NULL, NULL, 0);
303 /* Free up data structures, no longer needed after this point. */