X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=python%2Fguestfs.py;h=23aef9c280a0cb62fc05e5f2e456cb5829d04d82;hp=4f32ae7276f8bb1ca831a0da102d0719adb8e2bf;hb=215041c7178922341ecbfdb23eb203f2bb8c29c4;hpb=c41fe04a652437c920acb0e820762c53bf44a139 diff --git a/python/guestfs.py b/python/guestfs.py index 4f32ae7..23aef9c 100644 --- a/python/guestfs.py +++ b/python/guestfs.py @@ -197,7 +197,13 @@ class GuestFS: to modify the image). This is equivalent to the qemu parameter "-drive - file=filename". + file=filename,cache=off". + + Note that this call checks for the existence of + "filename". This stops you from specifying other types + of drive which are supported by qemu such as "nbd:" and + "http:" URLs. To specify those, use the general + "g.config" call instead. """ return libguestfsmod.add_drive (self._o, filename) @@ -207,9 +213,37 @@ class GuestFS: This is equivalent to the qemu parameter "-cdrom filename". + + Note that this call checks for the existence of + "filename". This stops you from specifying other types + of drive which are supported by qemu such as "nbd:" and + "http:" URLs. To specify those, use the general + "g.config" call instead. """ return libguestfsmod.add_cdrom (self._o, filename) + def add_drive_ro (self, filename): + u"""This adds a drive in snapshot mode, making it + effectively read-only. + + Note that writes to the device are allowed, and will be + seen for the duration of the guestfs handle, but they + are written to a temporary file which is discarded as + soon as the guestfs handle is closed. We don't currently + have any method to enable changes to be committed, + although qemu can support this. + + This is equivalent to the qemu parameter "-drive + file=filename,snapshot=on". + + Note that this call checks for the existence of + "filename". This stops you from specifying other types + of drive which are supported by qemu such as "nbd:" and + "http:" URLs. To specify those, use the general + "g.config" call instead. + """ + return libguestfsmod.add_drive_ro (self._o, filename) + def config (self, qemuparam, qemuvalue): u"""This can be used to add arbitrary qemu command line parameters of the form "-param value". Actually it's not @@ -913,7 +947,9 @@ class GuestFS: The single parameter is an argv-style list of arguments. The first element is the name of the program to run. Subsequent elements are parameters. The list must be - non-empty (ie. must contain a program name). + non-empty (ie. must contain a program name). Note that + the command runs directly, and is *not* invoked via the + shell (see "g.sh"). The return value is anything printed to *stdout* by the command. @@ -943,6 +979,8 @@ class GuestFS: u"""This is the same as "g.command", but splits the result into a list of lines. + See also: "g.sh_lines" + This function returns a list of strings. Because of the message protocol, there is a transfer @@ -1304,6 +1342,8 @@ class GuestFS: *not* enough to securely wipe the device). It should be sufficient to remove any partition tables, filesystem superblocks and so on. + + See also: "g.scrub_device". """ return libguestfsmod.zero (self._o, device) @@ -1565,3 +1605,125 @@ class GuestFS: """ return libguestfsmod.e2fsck_f (self._o, device) + def sleep (self, secs): + u"""Sleep for "secs" seconds. + """ + return libguestfsmod.sleep (self._o, secs) + + def ntfs_3g_probe (self, rw, device): + u"""This command runs the ntfs-3g.probe(8) command which + probes an NTFS "device" for mountability. (Not all NTFS + volumes can be mounted read-write, and some cannot be + mounted at all). + + "rw" is a boolean flag. Set it to true if you want to + test if the volume can be mounted read-write. Set it to + false if you want to test if the volume can be mounted + read-only. + + The return value is an integer which 0 if the operation + would succeed, or some non-zero value documented in the + ntfs-3g.probe(8) manual page. + """ + return libguestfsmod.ntfs_3g_probe (self._o, rw, device) + + def sh (self, command): + u"""This call runs a command from the guest filesystem via + the guest's "/bin/sh". + + This is like "g.command", but passes the command to: + + /bin/sh -c "command" + + Depending on the guest's shell, this usually results in + wildcards being expanded, shell expressions being + interpolated and so on. + + All the provisos about "g.command" apply to this call. + """ + return libguestfsmod.sh (self._o, command) + + def sh_lines (self, command): + u"""This is the same as "g.sh", but splits the result into a + list of lines. + + See also: "g.command_lines" + + This function returns a list of strings. + """ + return libguestfsmod.sh_lines (self._o, command) + + def glob_expand (self, pattern): + u"""This command searches for all the pathnames matching + "pattern" according to the wildcard expansion rules used + by the shell. + + If no paths match, then this returns an empty list + (note: not an error). + + It is just a wrapper around the C glob(3) function with + flags "GLOB_MARK|GLOB_BRACE". See that manual page for + more details. + + This function returns a list of strings. + """ + return libguestfsmod.glob_expand (self._o, pattern) + + def scrub_device (self, device): + u"""This command writes patterns over "device" to make data + retrieval more difficult. + + It is an interface to the scrub(1) program. See that + manual page for more details. + + This command is dangerous. Without careful use you can + easily destroy all your data. + """ + return libguestfsmod.scrub_device (self._o, device) + + def scrub_file (self, file): + u"""This command writes patterns over a file to make data + retrieval more difficult. + + The file is *removed* after scrubbing. + + It is an interface to the scrub(1) program. See that + manual page for more details. + """ + return libguestfsmod.scrub_file (self._o, file) + + def scrub_freespace (self, dir): + u"""This command creates the directory "dir" and then fills + it with files until the filesystem is full, and scrubs + the files as for "g.scrub_file", and deletes them. The + intention is to scrub any free space on the partition + containing "dir". + + It is an interface to the scrub(1) program. See that + manual page for more details. + """ + return libguestfsmod.scrub_freespace (self._o, dir) + + def mkdtemp (self, template): + u"""This command creates a temporary directory. The + "template" parameter should be a full pathname for the + temporary directory name with the final six characters + being "XXXXXX". + + For example: "/tmp/myprogXXXXXX" or + "/Temp/myprogXXXXXX", the second one being suitable for + Windows filesystems. + + The name of the temporary directory that was created is + returned. + + The temporary directory is created with mode 0700 and is + owned by root. + + The caller is responsible for deleting the temporary + directory and its contents after use. + + See also: mkdtemp(3) + """ + return libguestfsmod.mkdtemp (self._o, template) +