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author | Richard Jones <rjones@redhat.com> | 2009-04-08 20:26:35 +0100 |
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committer | Richard Jones <rjones@redhat.com> | 2009-04-08 20:26:35 +0100 |
commit | 94050e0344685b6916e21581e618ad3e85795008 (patch) | |
tree | aa86daf806029bded8a9e88b18be34633d403664 /perl/lib | |
parent | b5ff6816face6f8c1700d4f1df752c710620ff95 (diff) | |
download | libguestfs-94050e0344685b6916e21581e618ad3e85795008.tar.gz libguestfs-94050e0344685b6916e21581e618ad3e85795008.tar.xz libguestfs-94050e0344685b6916e21581e618ad3e85795008.zip |
Many non-daemon functions are now auto-generated.
Diffstat (limited to 'perl/lib')
-rw-r--r-- | perl/lib/Sys/Guestfs.pm | 106 |
1 files changed, 71 insertions, 35 deletions
diff --git a/perl/lib/Sys/Guestfs.pm b/perl/lib/Sys/Guestfs.pm index 0a8226fe..1798e7b8 100644 --- a/perl/lib/Sys/Guestfs.pm +++ b/perl/lib/Sys/Guestfs.pm @@ -91,9 +91,13 @@ sub new { return $self; } -=item $h->add_drive ($filename); +=item $h->add_cdrom (filename); -=item $h->add_cdrom ($filename); +This function adds a virtual CD-ROM disk image to the guest. + +This is equivalent to the qemu parameter C<-cdrom filename>. + +=item $h->add_drive (filename); This function adds a virtual machine disk image C<filename> to the guest. The first time you call this function, the disk appears as IDE @@ -106,59 +110,58 @@ for whatever operations you want to perform (ie. read access if you just want to read the image or write access if you want to modify the image). -The C<add_cdrom> variation adds a CD-ROM device. - -=item $h->config ($param, $value); +This is equivalent to the qemu parameter C<-drive file=filename>. -=item $h->config ($param); +=item $content = $h->cat (path); -Use this to add arbitrary parameters to the C<qemu> command line. -See L<qemu(1)>. +Return the contents of the file named C<path>. -=item $h->launch (); +Note that this function cannot correctly handle binary files +(specifically, files containing C<\0> character which is treated +as end of string). For those you need to use the C<$h-E<gt>read_file> +function which has a more complex interface. -=item $h->wait_ready (); +Because of the message protocol, there is a transfer limit +of somewhere between 2MB and 4MB. To transfer large files you should use +FTP. -Internally libguestfs is implemented by running a virtual machine -using L<qemu(1)>. These calls are necessary in order to boot the -virtual machine. +=item $h->config (qemuparam, qemuvalue); -You should call these two functions after configuring the handle -(eg. adding drives) but before performing any actions. +This can be used to add arbitrary qemu command line parameters +of the form C<-param value>. Actually it's not quite arbitrary - we +prevent you from setting some parameters which would interfere with +parameters that we use. -=item $h->set_path ($path); +The first character of C<param> string must be a C<-> (dash). -=item $path = $h->get_path (); +C<value> can be NULL. -See the discussion of C<PATH> in the L<guestfs(3)> -manpage. +=item $autosync = $h->get_autosync (); -=item $h->set_autosync ($autosync); +Get the autosync flag. -=item $autosync = $h->get_autosync (); +=item $path = $h->get_path (); -See the discussion of I<AUTOSYNC> in the L<guestfs(3)> -manpage. +Return the current search path. -=item $h->set_verbose ($verbose); +This is always non-NULL. If it wasn't set already, then this will +return the default path. =item $verbose = $h->get_verbose (); -This sets or gets the verbose messages flag. Verbose -messages are sent to C<stderr>. +This returns the verbose messages flag. -=item $content = $h->cat (path); +=item $h->kill_subprocess (); -Return the contents of the file named C<path>. +This kills the qemu subprocess. You should never need to call this. -Note that this function cannot correctly handle binary files -(specifically, files containing C<\0> character which is treated -as end of string). For those you need to use the C<$h-E<gt>read_file> -function which has a more complex interface. +=item $h->launch (); -Because of the message protocol, there is a transfer limit -of somewhere between 2MB and 4MB. To transfer large files you should use -FTP. +Internally libguestfs is implemented by running a virtual machine +using L<qemu(1)>. + +You should call this after configuring the handle +(eg. adding drives) but before performing any actions. =item @devices = $h->list_devices (); @@ -241,6 +244,31 @@ See also C<$h-E<gt>pvs_full>. List all the physical volumes detected. This is the equivalent of the L<pvs(8)> command. The "full" version includes all fields. +=item $h->set_autosync (autosync); + +If C<autosync> is true, this enables autosync. Libguestfs will make a +best effort attempt to run C<$h-E<gt>sync> when the handle is closed +(also if the program exits without closing handles). + +=item $h->set_path (path); + +Set the path that libguestfs searches for kernel and initrd.img. + +The default is C<$libdir/guestfs> unless overridden by setting +C<LIBGUESTFS_PATH> environment variable. + +The string C<path> is stashed in the libguestfs handle, so the caller +must make sure it remains valid for the lifetime of the handle. + +Setting C<path> to C<NULL> restores the default path. + +=item $h->set_verbose (verbose); + +If C<verbose> is true, this turns on verbose messages (to C<stderr>). + +Verbose messages are disabled unless the environment variable +C<LIBGUESTFS_DEBUG> is defined and set to C<1>. + =item $h->sync (); This syncs the disk, so that any writes are flushed through to the @@ -270,6 +298,14 @@ See also C<$h-E<gt>vgs_full>. List all the volumes groups detected. This is the equivalent of the L<vgs(8)> command. The "full" version includes all fields. +=item $h->wait_ready (); + +Internally libguestfs is implemented by running a virtual machine +using L<qemu(1)>. + +You should call this after C<$h-E<gt>launch> to wait for the launch +to complete. + =cut 1; |