X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=guestfs-actions.pod;h=32c6d672978c0920078d3edd059fbee4d1adaac1;hp=069ea8f7f87c2097fd42a7f54a69eeca43c1cfe5;hb=adefe14e308a0f8cf73f9c60693a3dbbded157b9;hpb=286841877f4223d67ec00b83e5a2aabfbb9e19ed diff --git a/guestfs-actions.pod b/guestfs-actions.pod index 069ea8f..32c6d67 100644 --- a/guestfs-actions.pod +++ b/guestfs-actions.pod @@ -300,6 +300,34 @@ C can be NULL. This function returns 0 on success or -1 on error. +=head2 guestfs_exists + + int guestfs_exists (guestfs_h *handle, + const char *path); + +This returns C if and only if there is a file, directory +(or anything) with the given C name. + +See also C, C, C. + +This function returns a C truth value on success or -1 on error. + +=head2 guestfs_file + + char *guestfs_file (guestfs_h *handle, + const char *path); + +This call uses the standard L command to determine +the type or contents of the file. This also works on devices, +for example to find out whether a partition contains a filesystem. + +The exact command which runs is C. Note in +particular that the filename is not prepended to the output +(the C<-b> option). + +This function returns a string or NULL on error. +I. + =head2 guestfs_get_autosync int guestfs_get_autosync (guestfs_h *handle); @@ -328,6 +356,32 @@ This returns the verbose messages flag. This function returns a C truth value on success or -1 on error. +=head2 guestfs_is_dir + + int guestfs_is_dir (guestfs_h *handle, + const char *path); + +This returns C if and only if there is a directory +with the given C name. Note that it returns false for +other objects like files. + +See also C. + +This function returns a C truth value on success or -1 on error. + +=head2 guestfs_is_file + + int guestfs_is_file (guestfs_h *handle, + const char *path); + +This returns C if and only if there is a file +with the given C name. Note that it returns false for +other objects like directories. + +See also C. + +This function returns a C truth value on success or -1 on error. + =head2 guestfs_kill_subprocess int guestfs_kill_subprocess (guestfs_h *handle); @@ -405,6 +459,30 @@ This function returns a NULL-terminated array of strings (like L), or NULL if there was an error. I. +=head2 guestfs_lvcreate + + int guestfs_lvcreate (guestfs_h *handle, + const char *logvol, + const char *volgroup, + int mbytes); + +This creates an LVM volume group called C +on the volume group C, with C megabytes. + +This function returns 0 on success or -1 on error. + +=head2 guestfs_lvm_remove_all + + int guestfs_lvm_remove_all (guestfs_h *handle); + +This command removes all LVM logical volumes, volume groups +and physical volumes. + +This function returns 0 on success or -1 on error. + +B. + =head2 guestfs_lvs char **guestfs_lvs (guestfs_h *handle); @@ -450,6 +528,18 @@ as necessary. This is like the C shell command. This function returns 0 on success or -1 on error. +=head2 guestfs_mkfs + + int guestfs_mkfs (guestfs_h *handle, + const char *fstype, + const char *device); + +This creates a filesystem on C (usually a partition +of LVM logical volume). The filesystem type is C, for +example C. + +This function returns 0 on success or -1 on error. + =head2 guestfs_mount int guestfs_mount (guestfs_h *handle, @@ -475,6 +565,30 @@ call, in order to improve reliability. This function returns 0 on success or -1 on error. +=head2 guestfs_mounts + + char **guestfs_mounts (guestfs_h *handle); + +This returns the list of currently mounted filesystems. It returns +the list of devices (eg. C, C). + +Some internal mounts are not shown. + +This function returns a NULL-terminated array of strings +(like L), or NULL if there was an error. +I. + +=head2 guestfs_pvcreate + + int guestfs_pvcreate (guestfs_h *handle, + const char *device); + +This creates an LVM physical volume on the named C, +where C should usually be a partition name such +as C. + +This function returns 0 on success or -1 on error. + =head2 guestfs_pvs char **guestfs_pvs (guestfs_h *handle); @@ -589,6 +703,40 @@ C is defined and set to C<1>. This function returns 0 on success or -1 on error. +=head2 guestfs_sfdisk + + int guestfs_sfdisk (guestfs_h *handle, + const char *device, + int cyls, + int heads, + int sectors, + char * const* const lines); + +This is a direct interface to the L program for creating +partitions on block devices. + +C should be a block device, for example C. + +C, C and C are the number of cylinders, heads +and sectors on the device, which are passed directly to sfdisk as +the I<-C>, I<-H> and I<-S> parameters. If you pass C<0> for any +of these, then the corresponding parameter is omitted. Usually for +'large' disks, you can just pass C<0> for these, but for small +(floppy-sized) disks, sfdisk (or rather, the kernel) cannot work +out the right geometry and you will need to tell it. + +C is a list of lines that we feed to C. For more +information refer to the L manpage. + +To create a single partition occupying the whole disk, you would +pass C as a single element list, when the single element being +the string C<,> (comma). + +This function returns 0 on success or -1 on error. + +B. + =head2 guestfs_sync int guestfs_sync (guestfs_h *handle); @@ -612,6 +760,38 @@ to create a new zero-length file. This function returns 0 on success or -1 on error. +=head2 guestfs_umount + + int guestfs_umount (guestfs_h *handle, + const char *pathordevice); + +This unmounts the given filesystem. The filesystem may be +specified either by its mountpoint (path) or the device which +contains the filesystem. + +This function returns 0 on success or -1 on error. + +=head2 guestfs_umount_all + + int guestfs_umount_all (guestfs_h *handle); + +This unmounts all mounted filesystems. + +Some internal mounts are not unmounted by this call. + +This function returns 0 on success or -1 on error. + +=head2 guestfs_vgcreate + + int guestfs_vgcreate (guestfs_h *handle, + const char *volgroup, + char * const* const physvols); + +This creates an LVM volume group called C +from the non-empty list of physical volumes C. + +This function returns 0 on success or -1 on error. + =head2 guestfs_vgs char **guestfs_vgs (guestfs_h *handle); @@ -650,3 +830,24 @@ to complete. This function returns 0 on success or -1 on error. +=head2 guestfs_write_file + + int guestfs_write_file (guestfs_h *handle, + const char *path, + const char *content, + int size); + +This call creates a file called C. The contents of the +file is the string C (which can contain any 8 bit data), +with length C. + +As a special case, if C is C<0> +then the length is calculated using C (so in this case +the content cannot contain embedded ASCII NULs). + +This function returns 0 on success or -1 on error. + +Because of the message protocol, there is a transfer limit +of somewhere between 2MB and 4MB. To transfer large files you should use +FTP. +