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.
31 #include <libvirt/libvirt.h>
32 #include <libvirt/virterror.h>
41 /* These globals are shared with options.c. */
47 int keys_from_stdin = 0;
49 const char *libvirt_uri = NULL;
52 int csv = 0; /* --csv */
53 int human = 0; /* --human-readable|-h */
54 int inodes = 0; /* --inodes */
55 int one_per_guest = 0; /* --one-per-guest */
56 int uuid = 0; /* --uuid */
59 bad_cast (char const *s)
64 static void __attribute__((noreturn))
67 if (status != EXIT_SUCCESS)
68 fprintf (stderr, _("Try `%s --help' for more information.\n"),
72 _("%s: display free space on virtual filesystems\n"
73 "Copyright (C) 2010 Red Hat Inc.\n"
75 " %s [--options] -d domname\n"
76 " %s [--options] -a disk.img [-a disk.img ...]\n"
78 " -a|--add image Add image\n"
79 " -c|--connect uri Specify libvirt URI for -d option\n"
80 " --csv Output as Comma-Separated Values\n"
81 " -d|--domain guest Add disks from libvirt guest\n"
82 " --format[=raw|..] Force disk format for -a option\n"
83 " -h|--human-readable Human-readable sizes in --long output\n"
84 " --help Display brief help\n"
85 " -i|--inodes Display inodes\n"
86 " --one-per-guest Separate appliance per guest\n"
87 " --uuid Add UUIDs to --long output\n"
88 " -v|--verbose Verbose messages\n"
89 " -V|--version Display version and exit\n"
90 " -x Trace libguestfs API calls\n"
91 "For more information, see the manpage %s(1).\n"),
92 program_name, program_name, program_name,
99 main (int argc, char *argv[])
101 /* Set global program name that is not polluted with libtool artifacts. */
102 set_program_name (argv[0]);
104 setlocale (LC_ALL, "");
105 bindtextdomain (PACKAGE, LOCALEBASEDIR);
106 textdomain (PACKAGE);
108 enum { HELP_OPTION = CHAR_MAX + 1 };
110 static const char *options = "a:c:d:hivVx";
111 static const struct option long_options[] = {
112 { "add", 1, 0, 'a' },
113 { "connect", 1, 0, 'c' },
115 { "domain", 1, 0, 'd' },
116 { "format", 2, 0, 0 },
117 { "help", 0, 0, HELP_OPTION },
118 { "human-readable", 0, 0, 'h' },
119 { "inodes", 0, 0, 'i' },
120 { "one-per-guest", 0, 0, 0 },
122 { "verbose", 0, 0, 'v' },
123 { "version", 0, 0, 'V' },
126 struct drv *drvs = NULL;
128 const char *format = NULL;
132 g = guestfs_create ();
134 fprintf (stderr, _("guestfs_create: failed to create handle\n"));
138 argv[0] = bad_cast (program_name);
141 c = getopt_long (argc, argv, options, long_options, &option_index);
145 case 0: /* options which are long only */
146 if (STREQ (long_options[option_index].name, "format")) {
147 if (!optarg || STREQ (optarg, ""))
151 } else if (STREQ (long_options[option_index].name, "csv")) {
153 } else if (STREQ (long_options[option_index].name, "one-per-guest")) {
155 } else if (STREQ (long_options[option_index].name, "uuid")) {
158 fprintf (stderr, _("%s: unknown long option: %s (%d)\n"),
159 program_name, long_options[option_index].name, option_index);
197 usage (EXIT_SUCCESS);
200 usage (EXIT_FAILURE);
204 /* Old-style syntax? There were no -a or -d options in the old
205 * virt-df which is how we detect this.
208 while (optind < argc) {
209 if (strchr (argv[optind], '/') ||
210 access (argv[optind], F_OK) == 0) { /* simulate -a option */
211 drv = malloc (sizeof (struct drv));
217 drv->a.filename = argv[optind];
218 drv->a.format = NULL;
221 } else { /* simulate -d option */
222 drv = malloc (sizeof (struct drv));
228 drv->d.guest = argv[optind];
237 /* These are really constants, but they have to be variables for the
238 * options parsing code. Assert here that they have known-good
241 assert (read_only == 1);
242 assert (inspector == 0);
245 /* Must be no extra arguments on the command line. */
247 usage (EXIT_FAILURE);
249 /* -h and --csv doesn't make sense. Spreadsheets will corrupt these
250 * fields. (RHBZ#600977).
253 fprintf (stderr, _("%s: you cannot use -h and --csv options together.\n"),
258 /* If the user didn't specify any drives, then we ask libvirt for
259 * the full list of guests and drives, which we add in batches.
263 get_domains_from_libvirt ();
265 fprintf (stderr, _("%s: compiled without support for libvirt.\n"),
273 /* Add domains/drives from the command line (for a single guest). */
274 add_drives (drvs, 'a');
276 if (guestfs_launch (g) == -1)
281 /* Synthesize a display name. */
282 switch (drvs->type) {
284 name = strrchr (drvs->a.filename, '/');
286 name = drvs->a.filename;
288 name++; /* skip '/' character */
291 name = drvs->d.guest;
298 /* XXX regression: in the Perl version we cached the UUID from the
299 * libvirt domain handle so it was available to us here. In this
300 * version the libvirt domain handle is hidden inside
301 * guestfs_add_domain so the UUID is not available easily for
302 * single '-d' command-line options.
304 (void) df_on_handle (name, NULL, NULL, 0);
306 /* Free up data structures, no longer needed after this point. */