"""
return libguestfsmod.config (self._o, qemuparam, qemuvalue)
+ def set_qemu (self, qemu):
+ u"""Set the qemu binary that we will use.
+
+ The default is chosen when the library was compiled by
+ the configure script.
+
+ You can also override this by setting the
+ "LIBGUESTFS_QEMU" environment variable.
+
+ The string "qemu" is stashed in the libguestfs handle,
+ so the caller must make sure it remains valid for the
+ lifetime of the handle.
+
+ Setting "qemu" to "NULL" restores the default qemu
+ binary.
+ """
+ return libguestfsmod.set_qemu (self._o, qemu)
+
+ def get_qemu (self):
+ u"""Return the current qemu binary.
+
+ This is always non-NULL. If it wasn't set already, then
+ this will return the default qemu binary name.
+ """
+ return libguestfsmod.get_qemu (self._o)
+
def set_path (self, path):
u"""Set the path that libguestfs searches for kernel and
initrd.img.
"""
return libguestfsmod.get_path (self._o)
+ def set_append (self, append):
+ u"""This function is used to add additional options to the
+ guest kernel command line.
+
+ The default is "NULL" unless overridden by setting
+ "LIBGUESTFS_APPEND" environment variable.
+
+ The string "append" is stashed in the libguestfs handle,
+ so the caller must make sure it remains valid for the
+ lifetime of the handle.
+
+ Setting "append" to "NULL" means *no* additional options
+ are passed (libguestfs always adds a few of its own).
+ """
+ return libguestfsmod.set_append (self._o, append)
+
+ def get_append (self):
+ u"""Return the additional kernel options which are added to
+ the guest kernel command line.
+
+ If "NULL" then no options are added.
+ """
+ return libguestfsmod.get_append (self._o)
+
def set_autosync (self, autosync):
u"""If "autosync" is true, this enables autosync. Libguestfs
- will make a best effort attempt to run "g.sync" when the
- handle is closed (also if the program exits without
- closing handles).
+ will make a best effort attempt to run "g.umount_all"
+ followed by "g.sync" when the handle is closed (also if
+ the program exits without closing handles).
+
+ This is disabled by default (except in guestfish where
+ it is enabled by default).
"""
return libguestfsmod.set_autosync (self._o, autosync)
"""
return libguestfsmod.set_ready (self._o)
+ def end_busy (self):
+ u"""This sets the state to "READY", or if in "CONFIG" then
+ it leaves the state as is. This is only used when
+ implementing actions using the low-level API.
+
+ For more information on states, see guestfs(3).
+ """
+ return libguestfsmod.end_busy (self._o)
+
def mount (self, device, mountpoint):
u"""Mount a guest disk at a position in the filesystem.
Block devices are named "/dev/sda", "/dev/sdb" and so
def mkfs (self, fstype, device):
u"""This creates a filesystem on "device" (usually a
- partition of LVM logical volume). The filesystem type is
+ partition or LVM logical volume). The filesystem type is
"fstype", for example "ext3".
"""
return libguestfsmod.mkfs (self._o, fstype, device)
calculated using "strlen" (so in this case the content
cannot contain embedded ASCII NULs).
+ *NB.* Owing to a bug, writing content containing ASCII
+ NUL characters does *not* work, even if the length is
+ specified. We hope to resolve this bug in a future
+ version. In the meantime use "g.upload".
+
Because of the message protocol, there is a transfer
limit of somewhere between 2MB and 4MB. To transfer
large files you should use FTP.
Subsequent elements are parameters. The list must be
non-empty (ie. must contain a program name).
+ The return value is anything printed to *stdout* by the
+ command.
+
+ If the command returns a non-zero exit status, then this
+ function returns an error message. The error message
+ string is the content of *stderr* from the command.
+
The $PATH environment variable will contain at least
"/usr/bin" and "/bin". If you require a program from
another location, you should provide the full path in
the correct places. It is the caller's responsibility to
ensure all filesystems that are needed are mounted at
the right locations.
+
+ Because of the message protocol, there is a transfer
+ limit of somewhere between 2MB and 4MB. To transfer
+ large files you should use FTP.
"""
return libguestfsmod.command (self._o, arguments)
into a list of lines.
This function returns a list of strings.
+
+ Because of the message protocol, there is a transfer
+ limit of somewhere between 2MB and 4MB. To transfer
+ large files you should use FTP.
"""
return libguestfsmod.command_lines (self._o, arguments)
return libguestfsmod.statvfs (self._o, path)
def tune2fs_l (self, device):
- u"""This returns the contents of the ext2 or ext3 filesystem
- superblock on "device".
+ u"""This returns the contents of the ext2, ext3 or ext4
+ filesystem superblock on "device".
It is the same as running "tune2fs -l device". See
tune2fs(8) manpage for more details. The list of fields
"""
return libguestfsmod.download (self._o, remotefilename, filename)
+ def checksum (self, csumtype, path):
+ u"""This call computes the MD5, SHAx or CRC checksum of the
+ file named "path".
+
+ The type of checksum to compute is given by the
+ "csumtype" parameter which must have one of the
+ following values:
+
+ "crc"
+ Compute the cyclic redundancy check (CRC) specified
+ by POSIX for the "cksum" command.
+
+ "md5"
+ Compute the MD5 hash (using the "md5sum" program).
+
+ "sha1"
+ Compute the SHA1 hash (using the "sha1sum" program).
+
+ "sha224"
+ Compute the SHA224 hash (using the "sha224sum"
+ program).
+
+ "sha256"
+ Compute the SHA256 hash (using the "sha256sum"
+ program).
+
+ "sha384"
+ Compute the SHA384 hash (using the "sha384sum"
+ program).
+
+ "sha512"
+ Compute the SHA512 hash (using the "sha512sum"
+ program).
+
+ The checksum is returned as a printable string.
+ """
+ return libguestfsmod.checksum (self._o, csumtype, path)
+
+ def tar_in (self, tarfile, directory):
+ u"""This command uploads and unpacks local file "tarfile"
+ (an *uncompressed* tar file) into "directory".
+
+ To upload a compressed tarball, use "g.tgz_in".
+ """
+ return libguestfsmod.tar_in (self._o, tarfile, directory)
+
+ def tar_out (self, directory, tarfile):
+ u"""This command packs the contents of "directory" and
+ downloads it to local file "tarfile".
+
+ To download a compressed tarball, use "g.tgz_out".
+ """
+ return libguestfsmod.tar_out (self._o, directory, tarfile)
+
+ def tgz_in (self, tarball, directory):
+ u"""This command uploads and unpacks local file "tarball" (a
+ *gzip compressed* tar file) into "directory".
+
+ To upload an uncompressed tarball, use "g.tar_in".
+ """
+ return libguestfsmod.tgz_in (self._o, tarball, directory)
+
+ def tgz_out (self, directory, tarball):
+ u"""This command packs the contents of "directory" and
+ downloads it to local file "tarball".
+
+ To download an uncompressed tarball, use "g.tar_out".
+ """
+ return libguestfsmod.tgz_out (self._o, directory, tarball)
+
+ def mount_ro (self, device, mountpoint):
+ u"""This is the same as the "g.mount" command, but it mounts
+ the filesystem with the read-only (*-o ro*) flag.
+ """
+ return libguestfsmod.mount_ro (self._o, device, mountpoint)
+
+ def mount_options (self, options, device, mountpoint):
+ u"""This is the same as the "g.mount" command, but it allows
+ you to set the mount options as for the mount(8) *-o*
+ flag.
+ """
+ return libguestfsmod.mount_options (self._o, options, device, mountpoint)
+
+ def mount_vfs (self, options, vfstype, device, mountpoint):
+ u"""This is the same as the "g.mount" command, but it allows
+ you to set both the mount options and the vfstype as for
+ the mount(8) *-o* and *-t* flags.
+ """
+ return libguestfsmod.mount_vfs (self._o, options, vfstype, device, mountpoint)
+
+ def debug (self, subcmd, extraargs):
+ u"""The "g.debug" command exposes some internals of
+ "guestfsd" (the guestfs daemon) that runs inside the
+ qemu subprocess.
+
+ There is no comprehensive help for this command. You
+ have to look at the file "daemon/debug.c" in the
+ libguestfs source to find out what you can do.
+ """
+ return libguestfsmod.debug (self._o, subcmd, extraargs)
+
+ def lvremove (self, device):
+ u"""Remove an LVM logical volume "device", where "device" is
+ the path to the LV, such as "/dev/VG/LV".
+
+ You can also remove all LVs in a volume group by
+ specifying the VG name, "/dev/VG".
+ """
+ return libguestfsmod.lvremove (self._o, device)
+
+ def vgremove (self, vgname):
+ u"""Remove an LVM volume group "vgname", (for example "VG").
+
+ This also forcibly removes all logical volumes in the
+ volume group (if any).
+ """
+ return libguestfsmod.vgremove (self._o, vgname)
+
+ def pvremove (self, device):
+ u"""This wipes a physical volume "device" so that LVM will
+ no longer recognise it.
+
+ The implementation uses the "pvremove" command which
+ refuses to wipe physical volumes that contain any volume
+ groups, so you have to remove those first.
+ """
+ return libguestfsmod.pvremove (self._o, device)
+
+ def set_e2label (self, device, label):
+ u"""This sets the ext2/3/4 filesystem label of the
+ filesystem on "device" to "label". Filesystem labels are
+ limited to 16 characters.
+
+ You can use either "g.tune2fs_l" or "g.get_e2label" to
+ return the existing label on a filesystem.
+ """
+ return libguestfsmod.set_e2label (self._o, device, label)
+
+ def get_e2label (self, device):
+ u"""This returns the ext2/3/4 filesystem label of the
+ filesystem on "device".
+ """
+ return libguestfsmod.get_e2label (self._o, device)
+
+ def set_e2uuid (self, device, uuid):
+ u"""This sets the ext2/3/4 filesystem UUID of the filesystem
+ on "device" to "uuid". The format of the UUID and
+ alternatives such as "clear", "random" and "time" are
+ described in the tune2fs(8) manpage.
+
+ You can use either "g.tune2fs_l" or "g.get_e2uuid" to
+ return the existing UUID of a filesystem.
+ """
+ return libguestfsmod.set_e2uuid (self._o, device, uuid)
+
+ def get_e2uuid (self, device):
+ u"""This returns the ext2/3/4 filesystem UUID of the
+ filesystem on "device".
+ """
+ return libguestfsmod.get_e2uuid (self._o, device)
+
+ def fsck (self, fstype, device):
+ u"""This runs the filesystem checker (fsck) on "device"
+ which should have filesystem type "fstype".
+
+ The returned integer is the status. See fsck(8) for the
+ list of status codes from "fsck".
+
+ Notes:
+
+ * Multiple status codes can be summed together.
+
+ * A non-zero return code can mean "success", for
+ example if errors have been corrected on the
+ filesystem.
+
+ * Checking or repairing NTFS volumes is not supported
+ (by linux-ntfs).
+
+ This command is entirely equivalent to running "fsck -a
+ -t fstype device".
+ """
+ return libguestfsmod.fsck (self._o, fstype, device)
+
+ def zero (self, device):
+ u"""This command writes zeroes over the first few blocks of
+ "device".
+
+ How many blocks are zeroed isn't specified (but it's
+ *not* enough to securely wipe the device). It should be
+ sufficient to remove any partition tables, filesystem
+ superblocks and so on.
+ """
+ return libguestfsmod.zero (self._o, device)
+
+ def grub_install (self, root, device):
+ u"""This command installs GRUB (the Grand Unified
+ Bootloader) on "device", with the root directory being
+ "root".
+ """
+ return libguestfsmod.grub_install (self._o, root, device)
+
+ def cp (self, src, dest):
+ u"""This copies a file from "src" to "dest" where "dest" is
+ either a destination filename or destination directory.
+ """
+ return libguestfsmod.cp (self._o, src, dest)
+
+ def cp_a (self, src, dest):
+ u"""This copies a file or directory from "src" to "dest"
+ recursively using the "cp -a" command.
+ """
+ return libguestfsmod.cp_a (self._o, src, dest)
+
+ def mv (self, src, dest):
+ u"""This moves a file from "src" to "dest" where "dest" is
+ either a destination filename or destination directory.
+ """
+ return libguestfsmod.mv (self._o, src, dest)
+
+ def drop_caches (self, whattodrop):
+ u"""This instructs the guest kernel to drop its page cache,
+ and/or dentries and inode caches. The parameter
+ "whattodrop" tells the kernel what precisely to drop,
+ see <http://linux-mm.org/Drop_Caches>
+
+ Setting "whattodrop" to 3 should drop everything.
+
+ This automatically calls sync(2) before the operation,
+ so that the maximum guest memory is freed.
+ """
+ return libguestfsmod.drop_caches (self._o, whattodrop)
+
+ def dmesg (self):
+ u"""This returns the kernel messages ("dmesg" output) from
+ the guest kernel. This is sometimes useful for extended
+ debugging of problems.
+
+ Another way to get the same information is to enable
+ verbose messages with "g.set_verbose" or by setting the
+ environment variable "LIBGUESTFS_DEBUG=1" before running
+ the program.
+ """
+ return libguestfsmod.dmesg (self._o)
+
+ def ping_daemon (self):
+ u"""This is a test probe into the guestfs daemon running
+ inside the qemu subprocess. Calling this function checks
+ that the daemon responds to the ping message, without
+ affecting the daemon or attached block device(s) in any
+ other way.
+ """
+ return libguestfsmod.ping_daemon (self._o)
+
+ def equal (self, file1, file2):
+ u"""This compares the two files "file1" and "file2" and
+ returns true if their content is exactly equal, or false
+ otherwise.
+
+ The external cmp(1) program is used for the comparison.
+ """
+ return libguestfsmod.equal (self._o, file1, file2)
+
+ def strings (self, path):
+ u"""This runs the strings(1) command on a file and returns
+ the list of printable strings found.
+
+ This function returns a list of strings.
+
+ Because of the message protocol, there is a transfer
+ limit of somewhere between 2MB and 4MB. To transfer
+ large files you should use FTP.
+ """
+ return libguestfsmod.strings (self._o, path)
+
+ def strings_e (self, encoding, path):
+ u"""This is like the "g.strings" command, but allows you to
+ specify the encoding.
+
+ See the strings(1) manpage for the full list of
+ encodings.
+
+ Commonly useful encodings are "l" (lower case L) which
+ will show strings inside Windows/x86 files.
+
+ The returned strings are transcoded to UTF-8.
+
+ This function returns a list of strings.
+
+ Because of the message protocol, there is a transfer
+ limit of somewhere between 2MB and 4MB. To transfer
+ large files you should use FTP.
+ """
+ return libguestfsmod.strings_e (self._o, encoding, path)
+
+ def hexdump (self, path):
+ u"""This runs "hexdump -C" on the given "path". The result
+ is the human-readable, canonical hex dump of the file.
+
+ Because of the message protocol, there is a transfer
+ limit of somewhere between 2MB and 4MB. To transfer
+ large files you should use FTP.
+ """
+ return libguestfsmod.hexdump (self._o, path)
+
git.annexia.org / libguestfs.git / blobdiff