list_builtin_commands ();
printf ("%-20s %s\n", "add-cdrom", "add a CD-ROM disk image to examine");
printf ("%-20s %s\n", "add-drive", "add an image to examine or modify");
+ printf ("%-20s %s\n", "add-drive-ro", "add a drive in snapshot mode (read-only)");
printf ("%-20s %s\n", "aug-close", "close the current Augeas handle");
printf ("%-20s %s\n", "aug-defnode", "define an Augeas node");
printf ("%-20s %s\n", "aug-defvar", "define an Augeas variable");
printf ("%-20s %s\n", "dmesg", "return kernel messages");
printf ("%-20s %s\n", "download", "download a file to the local machine");
printf ("%-20s %s\n", "drop-caches", "drop kernel page cache, dentries and inodes");
+ printf ("%-20s %s\n", "e2fsck-f", "check an ext2/ext3 filesystem");
printf ("%-20s %s\n", "equal", "test if two files have equal contents");
printf ("%-20s %s\n", "exists", "test if file or directory exists");
printf ("%-20s %s\n", "file", "determine file type");
+ printf ("%-20s %s\n", "find", "find all files and directories");
printf ("%-20s %s\n", "fsck", "run the filesystem checker");
printf ("%-20s %s\n", "get-append", "get the additional kernel options");
printf ("%-20s %s\n", "get-autosync", "get autosync mode");
pod2text ("kill-subprocess - kill the qemu subprocess", " kill-subprocess\n\nThis kills the qemu subprocess. You should never need to call this.");
else
if (strcasecmp (cmd, "add_drive") == 0 || strcasecmp (cmd, "add-drive") == 0 || strcasecmp (cmd, "add") == 0)
- pod2text ("add-drive - add an image to examine or modify", " add-drive <filename>\n\nThis function adds a virtual machine disk image C<filename> to the\nguest. The first time you call this function, the disk appears as IDE\ndisk 0 (C</dev/sda>) in the guest, the second time as C</dev/sdb>, and\nso on.\n\nYou don't necessarily need to be root when using libguestfs. However\nyou obviously do need sufficient permissions to access the filename\nfor whatever operations you want to perform (ie. read access if you\njust want to read the image or write access if you want to modify the\nimage).\n\nThis is equivalent to the qemu parameter C<-drive file=filename>.\n\nYou can use 'add' as an alias for this command.");
+ pod2text ("add-drive - add an image to examine or modify", " add-drive <filename>\n\nThis function adds a virtual machine disk image C<filename> to the\nguest. The first time you call this function, the disk appears as IDE\ndisk 0 (C</dev/sda>) in the guest, the second time as C</dev/sdb>, and\nso on.\n\nYou don't necessarily need to be root when using libguestfs. However\nyou obviously do need sufficient permissions to access the filename\nfor whatever operations you want to perform (ie. read access if you\njust want to read the image or write access if you want to modify the\nimage).\n\nThis is equivalent to the qemu parameter C<-drive file=filename>.\n\nNote that this call checks for the existence of C<filename>. This\nstops you from specifying other types of drive which are supported\nby qemu such as C<nbd:> and C<http:> URLs. To specify those, use\nthe general C<config> call instead.\n\nYou can use 'add' as an alias for this command.");
else
if (strcasecmp (cmd, "add_cdrom") == 0 || strcasecmp (cmd, "add-cdrom") == 0 || strcasecmp (cmd, "cdrom") == 0)
- pod2text ("add-cdrom - add a CD-ROM disk image to examine", " add-cdrom <filename>\n\nThis function adds a virtual CD-ROM disk image to the guest.\n\nThis is equivalent to the qemu parameter C<-cdrom filename>.\n\nYou can use 'cdrom' as an alias for this command.");
+ pod2text ("add-cdrom - add a CD-ROM disk image to examine", " add-cdrom <filename>\n\nThis function adds a virtual CD-ROM disk image to the guest.\n\nThis is equivalent to the qemu parameter C<-cdrom filename>.\n\nNote that this call checks for the existence of C<filename>. This\nstops you from specifying other types of drive which are supported\nby qemu such as C<nbd:> and C<http:> URLs. To specify those, use\nthe general C<config> call instead.\n\nYou can use 'cdrom' as an alias for this command.");
+ else
+ if (strcasecmp (cmd, "add_drive_ro") == 0 || strcasecmp (cmd, "add-drive-ro") == 0 || strcasecmp (cmd, "add-ro") == 0)
+ pod2text ("add-drive-ro - add a drive in snapshot mode (read-only)", " add-drive-ro <filename>\n\nThis adds a drive in snapshot mode, making it effectively\nread-only.\n\nNote that writes to the device are allowed, and will be seen for\nthe duration of the guestfs handle, but they are written\nto a temporary file which is discarded as soon as the guestfs\nhandle is closed. We don't currently have any method to enable\nchanges to be committed, although qemu can support this.\n\nThis is equivalent to the qemu parameter\nC<-drive file=filename,snapshot=on>.\n\nNote that this call checks for the existence of C<filename>. This\nstops you from specifying other types of drive which are supported\nby qemu such as C<nbd:> and C<http:> URLs. To specify those, use\nthe general C<config> call instead.\n\nYou can use 'add-ro' as an alias for this command.");
else
if (strcasecmp (cmd, "config") == 0)
pod2text ("config - add qemu parameters", " config <qemuparam> <qemuvalue>\n\nThis can be used to add arbitrary qemu command line parameters\nof the form C<-param value>. Actually it's not quite arbitrary - we\nprevent you from setting some parameters which would interfere with\nparameters that we use.\n\nThe first character of C<param> string must be a C<-> (dash).\n\nC<value> can be NULL.");
pod2text ("lvresize - resize an LVM logical volume", " lvresize <device> <mbytes>\n\nThis resizes (expands or shrinks) an existing LVM logical\nvolume to C<mbytes>. When reducing, data in the reduced part\nis lost.");
else
if (strcasecmp (cmd, "resize2fs") == 0)
- pod2text ("resize2fs - resize an ext2/ext3 filesystem", " resize2fs <device>\n\nThis resizes an ext2 or ext3 filesystem to match the size of\nthe underlying device.");
+ pod2text ("resize2fs - resize an ext2/ext3 filesystem", " resize2fs <device>\n\nThis resizes an ext2 or ext3 filesystem to match the size of\nthe underlying device.\n\nI<Note:> It is sometimes required that you run C<e2fsck_f>\non the C<device> before calling this command. For unknown reasons\nC<resize2fs> sometimes gives an error about this and sometimes not.\nIn any case, it is always safe to call C<e2fsck_f> before\ncalling this function.");
+ else
+ if (strcasecmp (cmd, "find") == 0)
+ pod2text ("find - find all files and directories", " find <directory>\n\nThis command lists out all files and directories, recursively,\nstarting at C<directory>. It is essentially equivalent to\nrunning the shell command C<find directory -print> but some\npost-processing happens on the output, described below.\n\nThis returns a list of strings I<without any prefix>. Thus\nif the directory structure was:\n\n /tmp/a\n /tmp/b\n /tmp/c/d\n\nthen the returned list from C<find> C</tmp> would be\n4 elements:\n\n a\n b\n c\n c/d\n\nIf C<directory> is not a directory, then this command returns\nan error.\n\nThe returned list is sorted.");
+ else
+ if (strcasecmp (cmd, "e2fsck_f") == 0 || strcasecmp (cmd, "e2fsck-f") == 0)
+ pod2text ("e2fsck-f - check an ext2/ext3 filesystem", " e2fsck-f <device>\n\nThis runs C<e2fsck -p -f device>, ie. runs the ext2/ext3\nfilesystem checker on C<device>, noninteractively (C<-p>),\neven if the filesystem appears to be clean (C<-f>).\n\nThis command is only needed because of C<resize2fs>\n(q.v.). Normally you should use C<fsck>.");
else
display_builtin_command (cmd);
}
return r;
}
+static int run_add_drive_ro (const char *cmd, int argc, char *argv[])
+{
+ int r;
+ const char *filename;
+ if (argc != 1) {
+ fprintf (stderr, "%s should have 1 parameter(s)\n", cmd);
+ fprintf (stderr, "type 'help %s' for help on %s\n", cmd, cmd);
+ return -1;
+ }
+ filename = argv[0];
+ r = guestfs_add_drive_ro (g, filename);
+ return r;
+}
+
static int run_config (const char *cmd, int argc, char *argv[])
{
int r;
return r;
}
+static int run_find (const char *cmd, int argc, char *argv[])
+{
+ char **r;
+ const char *directory;
+ if (argc != 1) {
+ fprintf (stderr, "%s should have 1 parameter(s)\n", cmd);
+ fprintf (stderr, "type 'help %s' for help on %s\n", cmd, cmd);
+ return -1;
+ }
+ directory = argv[0];
+ r = guestfs_find (g, directory);
+ if (r == NULL) return -1;
+ print_strings (r);
+ free_strings (r);
+ return 0;
+}
+
+static int run_e2fsck_f (const char *cmd, int argc, char *argv[])
+{
+ int r;
+ const char *device;
+ if (argc != 1) {
+ fprintf (stderr, "%s should have 1 parameter(s)\n", cmd);
+ fprintf (stderr, "type 'help %s' for help on %s\n", cmd, cmd);
+ return -1;
+ }
+ device = argv[0];
+ r = guestfs_e2fsck_f (g, device);
+ return r;
+}
+
int run_action (const char *cmd, int argc, char *argv[])
{
if (strcasecmp (cmd, "launch") == 0 || strcasecmp (cmd, "run") == 0)
if (strcasecmp (cmd, "add_cdrom") == 0 || strcasecmp (cmd, "add-cdrom") == 0 || strcasecmp (cmd, "cdrom") == 0)
return run_add_cdrom (cmd, argc, argv);
else
+ if (strcasecmp (cmd, "add_drive_ro") == 0 || strcasecmp (cmd, "add-drive-ro") == 0 || strcasecmp (cmd, "add-ro") == 0)
+ return run_add_drive_ro (cmd, argc, argv);
+ else
if (strcasecmp (cmd, "config") == 0)
return run_config (cmd, argc, argv);
else
if (strcasecmp (cmd, "resize2fs") == 0)
return run_resize2fs (cmd, argc, argv);
else
+ if (strcasecmp (cmd, "find") == 0)
+ return run_find (cmd, argc, argv);
+ else
+ if (strcasecmp (cmd, "e2fsck_f") == 0 || strcasecmp (cmd, "e2fsck-f") == 0)
+ return run_e2fsck_f (cmd, argc, argv);
+ else
{
fprintf (stderr, "%s: unknown command\n", cmd);
return -1;
git.annexia.org / libguestfs.git / blobdiff