(* libguestfs
- * Copyright (C) 2009-2010 Red Hat Inc.
+ * Copyright (C) 2009-2011 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*)
let non_daemon_functions = test_functions @ [
- ("launch", (RErr, [], []), -1, [FishAlias "run"],
+ ("launch", (RErr, [], []), -1, [FishAlias "run"; Progress],
[],
"launch the qemu subprocess",
"\
You should call this after configuring the handle
(eg. adding drives) but before performing any actions.");
- ("wait_ready", (RErr, [], []), -1, [NotInFish],
+ ("wait_ready", (RErr, [], []), -1, [NotInFish; DeprecatedBy "launch"],
[],
"wait until the qemu subprocess launches (no op)",
"\
"\
This function adds a virtual CD-ROM disk image to the guest.
-This is equivalent to the qemu parameter C<-cdrom filename>.
+This is equivalent to the qemu parameter I<-cdrom filename>.
Notes:
"add qemu parameters",
"\
This can be used to add arbitrary qemu command line parameters
-of the form C<-param value>. Actually it's not quite arbitrary - we
+of the form I<-param value>. Actually it's not quite arbitrary - we
prevent you from setting some parameters which would interfere with
parameters that we use.
[],
"set verbose mode",
"\
-If C<verbose> is true, this turns on verbose messages (to C<stderr>).
+If C<verbose> is true, this turns on verbose messages.
Verbose messages are disabled unless the environment variable
-C<LIBGUESTFS_DEBUG> is defined and set to C<1>.");
+C<LIBGUESTFS_DEBUG> is defined and set to C<1>.
+
+Verbose messages are normally sent to C<stderr>, unless you
+register a callback to send them somewhere else (see
+C<guestfs_set_event_callback>).");
("get_verbose", (RBool "verbose", [], []), -1, [],
[],
["get_trace"]])],
"enable or disable command traces",
"\
-If the command trace flag is set to 1, then commands are
-printed on stderr before they are executed in a format
-which is very similar to the one used by guestfish. In
-other words, you can run a program with this enabled, and
-you will get out a script which you can feed to guestfish
-to perform the same set of actions.
+If the command trace flag is set to 1, then libguestfs
+calls, parameters and return values are traced.
If you want to trace C API calls into libguestfs (and
other libraries) then possibly a better way is to use
the external ltrace(1) command.
Command traces are disabled unless the environment variable
-C<LIBGUESTFS_TRACE> is defined and set to C<1>.");
+C<LIBGUESTFS_TRACE> is defined and set to C<1>.
+
+Trace messages are normally sent to C<stderr>, unless you
+register a callback to send them somewhere else (see
+C<guestfs_set_event_callback>).");
("get_trace", (RBool "trace", [], []), -1, [],
[],
[],
"get type of inspected operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
This returns the type of the inspected operating system.
Currently defined types are:
[],
"get architecture of inspected operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
This returns the architecture of the inspected operating system.
The possible return values are listed under
C<guestfs_file_architecture>.
[],
"get distro of inspected operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
This returns the distro (distribution) of the inspected operating
system.
Arch Linux.
+=item \"centos\"
+
+CentOS.
+
=item \"debian\"
Debian.
=item \"rhel\"
-Red Hat Enterprise Linux and some derivatives.
+Red Hat Enterprise Linux.
+
+=item \"scientificlinux\"
+
+Scientific Linux.
+
+=item \"slackware\"
+
+Slackware.
=item \"ubuntu\"
[],
"get major version of inspected operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
This returns the major version number of the inspected operating
system.
[],
"get minor version of inspected operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
This returns the minor version number of the inspected operating
system.
[],
"get product name of inspected operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
This returns the product name of the inspected operating
system. The product name is generally some freeform string
which can be displayed to the user, but should not be
[],
"get mountpoints of inspected operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
This returns a hash of where we think the filesystems
associated with this operating system should be mounted.
Callers should note that this is at best an educated guess
Non-mounted devices such as swap devices are I<not>
returned in this list.
+For operating systems like Windows which still use drive
+letters, this call will only return an entry for the first
+drive \"mounted on\" C</>. For information about the
+mapping of drive letters to partitions, see
+C<guestfs_inspect_get_drive_mappings>.
+
Please read L<guestfs(3)/INSPECTION> for more details.
See also C<guestfs_inspect_get_filesystems>.");
[],
"get filesystems associated with inspected operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
This returns a list of all the filesystems that we think
are associated with this operating system. This includes
the root filesystem, other ordinary filesystems, and
[],
"get Windows systemroot of inspected operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
This returns the Windows systemroot of the inspected guest.
The systemroot is a directory path such as C</WINDOWS>.
This returns the internal QEMU command line. 'debug' commands are
not part of the formal API and can be removed or changed at any time.");
- ("add_domain", (RInt "nrdisks", [String "dom"], [String "libvirturi"; Bool "readonly"; String "iface"]), -1, [FishAlias "domain"],
+ ("add_domain", (RInt "nrdisks", [String "dom"], [String "libvirturi"; Bool "readonly"; String "iface"; Bool "live"; Bool "allowuuid"]), -1, [FishAlias "domain"],
[],
"add the disk(s) from a named libvirt domain",
"\
environment variable, see the libvirt documentation for full
details).
+The optional C<live> flag controls whether this call will try
+to connect to a running virtual machine C<guestfsd> process if
+it sees a suitable E<lt>channelE<gt> element in the libvirt
+XML definition. The default (if the flag is omitted) is never
+to try. See L<guestfs(3)/ATTACHING TO RUNNING DAEMONS> for more
+information.
+
+If the C<allowuuid> flag is true (default is false) then a UUID
+I<may> be passed instead of the domain name. The C<dom> string is
+treated as a UUID first and looked up, and if that lookup fails
+then we treat C<dom> as a name as usual.
+
The other optional parameters are passed directly through to
C<guestfs_add_drive_opts>.");
(*
This interface is not quite baked yet. -- RWMJ 2010-11-11
- ("add_libvirt_dom", (RInt "nrdisks", [Pointer ("virDomainPtr", "dom")], [Bool "readonly"; String "iface"]), -1, [NotInFish],
+ ("add_libvirt_dom", (RInt "nrdisks", [Pointer ("virDomainPtr", "dom")], [Bool "readonly"; String "iface"; Bool "live"]), -1, [NotInFish],
[],
"add the disk(s) from a libvirt domain",
"\
will fail unless those disks are accessible via the same device path
locally too.
-The optional parameters are passed directly through to
+The optional C<live> flag controls whether this call will try
+to connect to a running virtual machine C<guestfsd> process if
+it sees a suitable E<lt>channelE<gt> element in the libvirt
+XML definition. The default (if the flag is omitted) is never
+to try. See L<guestfs(3)/ATTACHING TO RUNNING DAEMONS> for more
+information.
+
+The other optional parameters are passed directly through to
C<guestfs_add_drive_opts>.");
*)
[],
"get package format used by the operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
This function and C<guestfs_inspect_get_package_management> return
the package format and package management tool used by the
inspected operating system. For example for Fedora these
[],
"get package management tool used by the operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
C<guestfs_inspect_get_package_format> and this function return
the package format and package management tool used by the
inspected operating system. For example for Fedora these
[],
"get list of applications installed in the operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
Return the list of applications installed in the operating system.
I<Note:> This call works differently from other parts of the
[],
"get hostname of the operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
This function returns the hostname of the operating system
as found by inspection of the guest's configuration files.
[],
"get format of inspected operating system",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
This returns the format of the inspected operating system. You
can use it to detect install images, live CDs and similar.
[],
"get live flag for install disk",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
If C<guestfs_inspect_get_format> returns C<installer> (this
is an install disk), then this returns true if a live image
was detected on the disk.
[],
"get netinst (network installer) flag for install disk",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
If C<guestfs_inspect_get_format> returns C<installer> (this
is an install disk), then this returns true if the disk is
a network installer, ie. not a self-contained install CD but
[],
"get multipart flag for install disk",
"\
-This function should only be called with a root device string
-as returned by C<guestfs_inspect_os>.
-
If C<guestfs_inspect_get_format> returns C<installer> (this
is an install disk), then this returns true if the disk is
part of a set.
Please read L<guestfs(3)/INSPECTION> for more details.");
+ ("set_attach_method", (RErr, [String "attachmethod"], []), -1, [FishAlias "attach-method"],
+ [],
+ "set the attach method",
+ "\
+Set the method that libguestfs uses to connect to the back end
+guestfsd daemon. Possible methods are:
+
+=over 4
+
+=item C<appliance>
+
+Launch an appliance and connect to it. This is the ordinary method
+and the default.
+
+=item C<unix:I<path>>
+
+Connect to the Unix domain socket I<path>.
+
+This method lets you connect to an existing daemon or (using
+virtio-serial) to a live guest. For more information, see
+L<guestfs(3)/ATTACHING TO RUNNING DAEMONS>.
+
+=back");
+
+ ("get_attach_method", (RString "attachmethod", [], []), -1, [],
+ [InitNone, Always, TestOutput (
+ [["get_attach_method"]], "appliance")],
+ "get the attach method",
+ "\
+Return the current attach method. See C<guestfs_set_attach_method>.");
+
+ ("inspect_get_product_variant", (RString "variant", [Device "root"], []), -1, [],
+ [],
+ "get product variant of inspected operating system",
+ "\
+This returns the product variant of the inspected operating
+system.
+
+For Windows guests, this returns the contents of the Registry key
+C<HKLM\\Software\\Microsoft\\Windows NT\\CurrentVersion>
+C<InstallationType> which is usually a string such as
+C<Client> or C<Server> (other values are possible). This
+can be used to distinguish consumer and enterprise versions
+of Windows that have the same version number (for example,
+Windows 7 and Windows 2008 Server are both version 6.1,
+but the former is C<Client> and the latter is C<Server>).
+
+For enterprise Linux guests, in future we intend this to return
+the product variant such as C<Desktop>, C<Server> and so on. But
+this is not implemented at present.
+
+If the product variant could not be determined, then the
+string C<unknown> is returned.
+
+Please read L<guestfs(3)/INSPECTION> for more details.
+See also C<guestfs_inspect_get_product_name>,
+C<guestfs_inspect_get_major_version>.");
+
+ ("inspect_get_windows_current_control_set", (RString "controlset", [Device "root"], []), -1, [],
+ [],
+ "get Windows CurrentControlSet of inspected operating system",
+ "\
+This returns the Windows CurrentControlSet of the inspected guest.
+The CurrentControlSet is a registry key name such as C<ControlSet001>.
+
+This call assumes that the guest is Windows and that the
+Registry could be examined by inspection. If this is not
+the case then an error is returned.
+
+Please read L<guestfs(3)/INSPECTION> for more details.");
+
+ ("inspect_get_drive_mappings", (RHashtable "drives", [Device "root"], []), -1, [],
+ [],
+ "get drive letter mappings",
+ "\
+This call is useful for Windows which uses a primitive system
+of assigning drive letters (like \"C:\") to partitions.
+This inspection API examines the Windows Registry to find out
+how disks/partitions are mapped to drive letters, and returns
+a hash table as in the example below:
+
+ C => /dev/vda2
+ E => /dev/vdb1
+ F => /dev/vdc1
+
+Note that keys are drive letters. For Windows, the key is
+case insensitive and just contains the drive letter, without
+the customary colon separator character.
+
+In future we may support other operating systems that also used drive
+letters, but the keys for those might not be case insensitive
+and might be longer than 1 character. For example in OS-9,
+hard drives were named C<h0>, C<h1> etc.
+
+For Windows guests, currently only hard drive mappings are
+returned. Removable disks (eg. DVD-ROMs) are ignored.
+
+For guests that do not use drive mappings, or if the drive mappings
+could not be determined, this returns an empty hash table.
+
+Please read L<guestfs(3)/INSPECTION> for more details.
+See also C<guestfs_inspect_get_mountpoints>,
+C<guestfs_inspect_get_filesystems>.");
+
+ ("inspect_get_icon", (RBufferOut "icon", [Device "root"], [Bool "favicon"; Bool "highquality"]), -1, [],
+ [],
+ "get the icon corresponding to this operating system",
+ "\
+This function returns an icon corresponding to the inspected
+operating system. The icon is returned as a buffer containing a
+PNG image (re-encoded to PNG if necessary).
+
+If it was not possible to get an icon this function returns a
+zero-length (non-NULL) buffer. I<Callers must check for this case>.
+
+Libguestfs will start by looking for a file called
+C</etc/favicon.png> or C<C:\\etc\\favicon.png>
+and if it has the correct format, the contents of this file will
+be returned. You can disable favicons by passing the
+optional C<favicon> boolean as false (default is true).
+
+If finding the favicon fails, then we look in other places in the
+guest for a suitable icon.
+
+If the optional C<highquality> boolean is true then
+only high quality icons are returned, which means only icons of
+high resolution with an alpha channel. The default (false) is
+to return any icon we can, even if it is of substandard quality.
+
+Notes:
+
+=over 4
+
+=item *
+
+Unlike most other inspection API calls, the guest's disks must be
+mounted up before you call this, since it needs to read information
+from the guest filesystem during the call.
+
+=item *
+
+B<Security:> The icon data comes from the untrusted guest,
+and should be treated with caution. PNG files have been
+known to contain exploits. Ensure that libpng (or other relevant
+libraries) are fully up to date before trying to process or
+display the icon.
+
+=item *
+
+The PNG image returned can be any size. It might not be square.
+Libguestfs tries to return the largest, highest quality
+icon available. The application must scale the icon to the
+required size.
+
+=item *
+
+Extracting icons from Windows guests requires the external
+C<wrestool> program from the C<icoutils> package, and
+several programs (C<bmptopnm>, C<pnmtopng>, C<pamcut>)
+from the C<netpbm> package. These must be installed separately.
+
+=item *
+
+Operating system icons are usually trademarks. Seek legal
+advice before using trademarks in applications.
+
+=back");
+
+ ("set_pgroup", (RErr, [Bool "pgroup"], []), -1, [FishAlias "pgroup"],
+ [],
+ "set process group flag",
+ "\
+If C<pgroup> is true, child processes are placed into
+their own process group.
+
+The practical upshot of this is that signals like C<SIGINT> (from
+users pressing C<^C>) won't be received by the child process.
+
+The default for this flag is false, because usually you want
+C<^C> to kill the subprocess.");
+
+ ("get_pgroup", (RBool "pgroup", [], []), -1, [],
+ [],
+ "get process group flag",
+ "\
+This returns the process group flag.");
+
]
(* daemon_functions are any functions which cause some action
*)
let daemon_functions = [
- ("mount", (RErr, [Device "device"; String "mountpoint"], []), 1, [],
+ ("mount", (RErr, [Device "device"; String "mountpoint"], []), 1, [DeprecatedBy "mount_options"],
[InitEmpty, Always, TestOutput (
[["part_disk"; "/dev/sda"; "mbr"];
["mkfs"; "ext2"; "/dev/sda1"];
=item C<AUG_TYPE_CHECK> = 4
-Typecheck lenses (can be expensive).
+Typecheck lenses.
+
+This option is only useful when debugging Augeas lenses. Use
+of this option may require additional memory for the libguestfs
+appliance. You may need to set the C<LIBGUESTFS_MEMSIZE>
+environment variable or call C<guestfs_set_memsize>.
=item C<AUG_NO_STDINC> = 8
("sfdisk", (RErr, [Device "device";
Int "cyls"; Int "heads"; Int "sectors";
- StringList "lines"], []), 43, [DangerWillRobinson],
+ StringList "lines"], []), 43, [DangerWillRobinson; DeprecatedBy "part_add"],
[],
"create partitions on a block device",
"\
The exact command which runs is C<file -zb path>. Note in
particular that the filename is not prepended to the output
-(the C<-b> option).
+(the I<-b> option).
-This command can also be used on C</dev/> devices
-(and partitions, LV names). You can for example use this
-to determine if a device contains a filesystem, although
-it's usually better to use C<guestfs_vfs_type>.
+The output depends on the output of the underlying L<file(1)>
+command and it can change in future in ways beyond our control.
+In other words, the output is not guaranteed by the ABI.
-If the C<path> does not begin with C</dev/> then
-this command only works for the content of regular files.
-For other file types (directory, symbolic link etc) it
-will just return the string C<directory> etc.");
+See also: L<file(1)>, C<guestfs_vfs_type>, C<guestfs_lstat>,
+C<guestfs_is_file>, C<guestfs_is_blockdev> (etc), C<guestfs_is_zero>.");
("command", (RString "output", [StringList "arguments"], []), 50, [ProtocolLimitWarning],
[InitScratchFS, Always, TestOutput (
This command is entirely equivalent to running C<fsck -a -t fstype device>.");
("zero", (RErr, [Device "device"], []), 85, [Progress],
- [InitBasicFS, Always, TestOutput (
+ [InitBasicFS, Always, TestRun (
[["umount"; "/dev/sda1"];
- ["zero"; "/dev/sda1"];
- ["file"; "/dev/sda1"]], "data")],
+ ["zero"; "/dev/sda1"]])],
"write zeroes to the device",
"\
This command writes zeroes over the first few blocks of C<device>.
to securely wipe the device). It should be sufficient to remove
any partition tables, filesystem superblocks and so on.
-See also: C<guestfs_zero_device>, C<guestfs_scrub_device>.");
+See also: C<guestfs_zero_device>, C<guestfs_scrub_device>,
+C<guestfs_is_zero_device>");
("grub_install", (RErr, [Pathname "root"; Device "device"], []), 86, [],
(* See:
("sfdisk_N", (RErr, [Device "device"; Int "partnum";
Int "cyls"; Int "heads"; Int "sectors";
- String "line"], []), 99, [DangerWillRobinson],
+ String "line"], []), 99, [DangerWillRobinson; DeprecatedBy "part_add"],
[],
"modify a single partition on a block device",
"\
See also: C<guestfs_part_add>");
- ("sfdisk_l", (RString "partitions", [Device "device"], []), 100, [],
+ ("sfdisk_l", (RString "partitions", [Device "device"], []), 100, [DeprecatedBy "part_list"],
[],
"display the partition table",
"\
"\
This command activates or (if C<activate> is false) deactivates
all logical volumes in all volume groups.
-If activated, then they are made known to the
-kernel, ie. they appear as C</dev/mapper> devices. If deactivated,
-then those devices disappear.
This command is the same as running C<vgchange -a y|n>");
"\
This command activates or (if C<activate> is false) deactivates
all logical volumes in the listed volume groups C<volgroups>.
-If activated, then they are made known to the
-kernel, ie. they appear as C</dev/mapper> devices. If deactivated,
-then those devices disappear.
This command is the same as running C<vgchange -a y|n volgroups...>
"check an ext2/ext3 filesystem",
"\
This runs C<e2fsck -p -f device>, ie. runs the ext2/ext3
-filesystem checker on C<device>, noninteractively (C<-p>),
-even if the filesystem appears to be clean (C<-f>).
+filesystem checker on C<device>, noninteractively (I<-p>),
+even if the filesystem appears to be clean (I<-f>).
This command is only needed because of C<guestfs_resize2fs>
(q.v.). Normally you should use C<guestfs_fsck>.");
is I<not> intended that you try to parse the output string.
Use C<guestfs_statvfs> from programs.");
- ("du", (RInt64 "sizekb", [Pathname "path"], []), 127, [],
+ ("du", (RInt64 "sizekb", [Pathname "path"], []), 127, [Progress],
[InitISOFS, Always, TestOutputInt (
[["du"; "/directory"]], 2 (* ISO fs blocksize is 2K *))],
"estimate file space usage",
get a simple list of names, use C<guestfs_ls>. To get a printable
directory for human consumption, use C<guestfs_ll>.");
- ("sfdiskM", (RErr, [Device "device"; StringList "lines"], []), 139, [DangerWillRobinson],
+ ("sfdiskM", (RErr, [Device "device"; StringList "lines"], []), 139, [DangerWillRobinson; DeprecatedBy "part_add"],
[],
"create partitions on a block device",
"\
"create a hard link",
"\
This command creates a hard link using the C<ln -f> command.
-The C<-f> option removes the link (C<linkname>) if it exists already.");
+The I<-f> option removes the link (C<linkname>) if it exists already.");
("ln_s", (RErr, [String "target"; Pathname "linkname"], []), 166, [],
[InitScratchFS, Always, TestOutputStruct (
"create a symbolic link",
"\
This command creates a symbolic link using the C<ln -sf> command,
-The C<-f> option removes the link (C<linkname>) if it exists already.");
+The I<-f> option removes the link (C<linkname>) if it exists already.");
("readlink", (RString "link", [Pathname "path"], []), 168, [],
[] (* XXX tested above *),
=over 4
-=item B<efi> | B<gpt>
+=item B<efi>
+
+=item B<gpt>
Intel EFI / GPT partition table.
from Linux and Intel-based Mac OS X. It also has limited backwards
compatibility with the C<mbr> format.
-=item B<mbr> | B<msdos>
+=item B<mbr>
+
+=item B<msdos>
The standard PC \"Master Boot Record\" (MBR) format used
by MS-DOS and Windows. This partition type will B<only> work
AIX disk labels.
-=item B<amiga> | B<rdb>
+=item B<amiga>
+
+=item B<rdb>
Amiga \"Rigid Disk Block\" format.
This command packs the contents of C<directory> and downloads
it to local file C<tarball> (as an xz compressed tar archive).");
- ("ntfsresize", (RErr, [Device "device"], []), 231, [Optional "ntfsprogs"],
+ ("ntfsresize", (RErr, [Device "device"], []), 231, [Optional "ntfsprogs"; DeprecatedBy "ntfsresize_opts"],
[],
"resize an NTFS filesystem",
"\
This command resizes an NTFS filesystem, expanding or
shrinking it to the size of the underlying device.
+
+I<Note:> After the resize operation, the filesystem is marked
+as requiring a consistency check (for safety). You have to boot
+into Windows to perform this check and clear this condition.
+Furthermore, ntfsresize refuses to resize filesystems
+which have been marked in this way. So in effect it is
+not possible to call ntfsresize multiple times on a single
+filesystem without booting into Windows between each resize.
+
See also L<ntfsresize(8)>.");
("vgscan", (RErr, [], []), 232, [],
"create a new file",
"\
This call creates a file called C<path>. The content of the
-file is the string C<content> (which can contain any 8 bit data).");
+file is the string C<content> (which can contain any 8 bit data).
+
+See also C<guestfs_write_append>.");
("pwrite", (RInt "nbytes", [Pathname "path"; BufferIn "content"; Int64 "offset"], []), 247, [ProtocolLimitWarning],
[InitScratchFS, Always, TestOutput (
This command is the same as C<guestfs_pvresize> except that it
allows you to specify the new size (in bytes) explicitly.");
- ("ntfsresize_size", (RErr, [Device "device"; Int64 "size"], []), 250, [Optional "ntfsprogs"],
+ ("ntfsresize_size", (RErr, [Device "device"; Int64 "size"], []), 250, [Optional "ntfsprogs"; DeprecatedBy "ntfsresize_opts"],
[],
"resize an NTFS filesystem (with size)",
"\
If this block device contains LVM volume groups, then
calling C<guestfs_vgscan> followed by C<guestfs_vg_activate_all>
-will make them visible.");
+will make them visible.
+
+Use C<guestfs_list_dm_devices> to list all device mapper
+devices.");
("luks_open_ro", (RErr, [Device "device"; Key "key"; String "mapname"], []), 258, [Optional "luks"],
[],
See also C<guestfs_is_lv>.");
- ("mkfs_opts", (RErr, [String "fstype"; Device "device"], [Int "blocksize"; String "features"]), 278, [],
+ ("mkfs_opts", (RErr, [String "fstype"; Device "device"], [Int "blocksize"; String "features"; Int "inode"; Int "sectorsize"]), 278, [],
[InitEmpty, Always, TestOutput (
[["part_disk"; "/dev/sda"; "mbr"];
- ["mkfs_opts"; "ext2"; "/dev/sda1"; "4096"; ""];
+ ["mkfs_opts"; "ext2"; "/dev/sda1"; ""; "NOARG"; ""; ""];
["mount_options"; ""; "/dev/sda1"; "/"];
["write"; "/new"; "new file contents"];
["cat"; "/new"]], "new file contents")],
=item C<features>
-This passes the C<-O> parameter to the external mkfs program.
+This passes the I<-O> parameter to the external mkfs program.
For certain filesystem types, this allows extra filesystem
features to be selected. See L<mke2fs(8)> and L<mkfs.ufs(8)>
You cannot use this optional parameter with the C<gfs> or
C<gfs2> filesystem type.
+=item C<inode>
+
+This passes the I<-I> parameter to the external L<mke2fs(8)> program
+which sets the inode size (only for ext2/3/4 filesystems at present).
+
+=item C<sectorsize>
+
+This passes the I<-S> parameter to external L<mkfs.ufs(8)> program,
+which sets sector size for ufs filesystem.
+
=back");
("getxattr", (RBufferOut "xattr", [Pathname "path"; String "name"], []), 279, [Optional "linuxxattrs"],
"resize an ext2, ext3 or ext4 filesystem to the minimum size",
"\
This command is the same as C<guestfs_resize2fs>, but the filesystem
-is resized to its minimum size. This works like the C<-M> option
+is resized to its minimum size. This works like the I<-M> option
to the C<resize2fs> command.
To get the resulting size of the filesystem you should call
control whether or not this operation is performed when the
handle is closed.");
+ ("is_zero", (RBool "zeroflag", [Pathname "path"], []), 283, [],
+ [InitISOFS, Always, TestOutputTrue (
+ [["is_zero"; "/100kallzeroes"]]);
+ InitISOFS, Always, TestOutputFalse (
+ [["is_zero"; "/100kallspaces"]])],
+ "test if a file contains all zero bytes",
+ "\
+This returns true iff the file exists and the file is empty or
+it contains all zero bytes.");
+
+ ("is_zero_device", (RBool "zeroflag", [Device "device"], []), 284, [],
+ [InitBasicFS, Always, TestOutputTrue (
+ [["umount"; "/dev/sda1"];
+ ["zero_device"; "/dev/sda1"];
+ ["is_zero_device"; "/dev/sda1"]]);
+ InitBasicFS, Always, TestOutputFalse (
+ [["is_zero_device"; "/dev/sda1"]])],
+ "test if a device contains all zero bytes",
+ "\
+This returns true iff the device exists and contains all zero bytes.
+
+Note that for large devices this can take a long time to run.");
+
+ ("list_9p", (RStringList "mounttags", [], []), 285, [],
+ [],
+ "list 9p filesystems",
+ "\
+List all 9p filesystems attached to the guest. A list of
+mount tags is returned.");
+
+ ("mount_9p", (RErr, [String "mounttag"; String "mountpoint"], [String "options"]), 286, [],
+ [],
+ "mount 9p filesystem",
+ "\
+Mount the virtio-9p filesystem with the tag C<mounttag> on the
+directory C<mountpoint>.
+
+If required, C<trans=virtio> will be automatically added to the options.
+Any other options required can be passed in the optional C<options>
+parameter.");
+
+ ("list_dm_devices", (RStringList "devices", [], []), 287, [],
+ [],
+ "list device mapper devices",
+ "\
+List all device mapper devices.
+
+The returned list contains C</dev/mapper/*> devices, eg. ones created
+by a previous call to C<guestfs_luks_open>.
+
+Device mapper devices which correspond to logical volumes are I<not>
+returned in this list. Call C<guestfs_lvs> if you want to list logical
+volumes.");
+
+ ("ntfsresize_opts", (RErr, [Device "device"], [Int64 "size"; Bool "force"]), 288, [Optional "ntfsprogs"],
+ [],
+ "resize an NTFS filesystem",
+ "\
+This command resizes an NTFS filesystem, expanding or
+shrinking it to the size of the underlying device.
+
+The optional parameters are:
+
+=over 4
+
+=item C<size>
+
+The new size (in bytes) of the filesystem. If omitted, the filesystem
+is resized to fit the container (eg. partition).
+
+=item C<force>
+
+If this option is true, then force the resize of the filesystem
+even if the filesystem is marked as requiring a consistency check.
+
+After the resize operation, the filesystem is always marked
+as requiring a consistency check (for safety). You have to boot
+into Windows to perform this check and clear this condition.
+If you I<don't> set the C<force> option then it is not
+possible to call C<guestfs_ntfsresize_opts> multiple times on a
+single filesystem without booting into Windows between each resize.
+
+=back
+
+See also L<ntfsresize(8)>.");
+
+ ("btrfs_filesystem_resize", (RErr, [Pathname "mountpoint"], [Int64 "size"]), 289, [Optional "btrfs"],
+ [],
+ "resize a btrfs filesystem",
+ "\
+This command resizes a btrfs filesystem.
+
+Note that unlike other resize calls, the filesystem has to be
+mounted and the parameter is the mountpoint not the device
+(this is a requirement of btrfs itself).
+
+The optional parameters are:
+
+=over 4
+
+=item C<size>
+
+The new size (in bytes) of the filesystem. If omitted, the filesystem
+is resized to the maximum size.
+
+=back
+
+See also L<btrfs(8)>.");
+
+ ("write_append", (RErr, [Pathname "path"; BufferIn "content"], []), 290, [ProtocolLimitWarning],
+ [InitScratchFS, Always, TestOutput (
+ [["write"; "/write_append"; "line1\n"];
+ ["write_append"; "/write_append"; "line2\n"];
+ ["write_append"; "/write_append"; "line3a"];
+ ["write_append"; "/write_append"; "line3b\n"];
+ ["cat"; "/write_append"]], "line1\nline2\nline3aline3b\n")],
+ "append content to end of file",
+ "\
+This call appends C<content> to the end of file C<path>. If
+C<path> does not exist, then a new file is created.
+
+See also C<guestfs_write>.");
+
]
let all_functions = non_daemon_functions @ daemon_functions
glob copy-out /home/* .");
+ ("display", (RErr,[], []), -1, [], [],
+ "display an image",
+ " display filename
+
+Use C<display> (a graphical display program) to display an image
+file. It downloads the file, and runs C<display> on it.
+
+To use an alternative program, set the C<GUESTFISH_DISPLAY_IMAGE>
+environment variable. For example to use the GNOME display program:
+
+ export GUESTFISH_DISPLAY_IMAGE=eog
+
+See also L<display(1)>.");
+
("echo", (RErr,[], []), -1, [], [],
"display a line of text",
" echo [params ...]
this normally, because the handle is closed properly when guestfish
exits. However this is occasionally useful for testing.");
+ ("setenv", (RErr,[], []), -1, [], [],
+ "set an environment variable",
+ " setenv VAR value
+
+Set the environment variable C<VAR> to the string C<value>.
+
+To print the value of an environment variable use a shell command
+such as:
+
+ !echo $VAR");
+
("sparse", (RErr,[], []), -1, [], [],
"create a sparse disk image and add",
" sparse filename size
Run the command as usual, but print the elapsed time afterwards. This
can be useful for benchmarking operations.");
+ ("unsetenv", (RErr,[], []), -1, [], [],
+ "unset an environment variable",
+ " unsetenv VAR
+
+Remove C<VAR> from the environment.");
+
]
git.annexia.org / libguestfs.git / blobdiff