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This add an optional explicit $g->close method which may be
used to force the handle to be closed immediately. Note the
provisos about this method in the manual page entry. Callers
should *not* normally use this method.
The implementation of the handle also changes. Before, the
handle was a blessed reference to an integer (the integer
being the pointer to the C guestfs_h handle). Now we change
this to a hashref containing currently the following field:
_g => pointer to C guestfs_h handle (as an integer)
If this field is not present, it means that the handle has been
explicitly closed. This avoids double-freeing the handle.
The user may add their own fields to this hash in order to store
per-handle data. However any fields whose names begin with
an underscore are reserved for use by the Perl bindings.
This commit also adds a regression test.
This commit also changes the existing warning when you call
a method without a Sys::Guestfs handle as the first parameter,
into an error. This is because such cases are always errors.
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guestfs_mount adds -o sync implicitly. This causes a very large
performance problem for write-intensive programs (eg. virt-v2v).
Document this as a "gotcha".
Change the tests, guestfish, Sys::Guestfs::Lib, guestmount to use
mount-options instead.
(Note that this gotcha does not affect mount-ro).
The source of the performance problem was first identified by
Matthew Booth.
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This commit introduces a generic partition creation interface
which should be future-proof and extensible, and partially
replaces the old sfdisk-based interface.
The implementation is based on parted but is hopefully not too
dependent on the particulars of parted.
The following new calls are introduced:
guestfs_part_init:
Initialize a disk with a partition table. Unlike the sfdisk-
based interface, we also support GPT and other partition
types, which is essential to scale to devices larger than 2TB.
guestfs_part_add: Add a partition to an existing disk.
guestfs_part_disk:
Convenience function which combines part_init & part_add,
creating a single partition that covers the whole disk.
guestfs_part_set_bootable:
guestfs_part_set_name:
Set various aspects of existing partitions.
guestfs_part_list:
List partitions on a device. This returns a programming-friendly
list of partition structs (in contrast to sfdisk-l which cannot
be parsed).
guestfs_part_get_parttype:
Return the partition table type, eg. "msdos" or "gpt".
The following calls are planned, but not added currently:
guestfs_part_get_bootable
guestfs_part_get_name
guestfs_part_set_type
guestfs_part_get_type
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This commit changes guestfs_launch so that it both launches
the appliance and waits until it is ready (ie. the daemon communicates
back to us).
Since we removed the pretence that we could implement a low-level
asynchronous API, the need to call launch() followed by wait_ready()
has looked a bit silly.
Now guestfs_wait_ready() is basically a no-op. It is left in the
API for backwards compatibility. Any calls to guestfs_wait_ready()
can be removed from client code.
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Do it by running this command:
[exempted files are matched via .x-sc_TAB_in_indentation]
git ls-files \
| pcregrep -vf .x-sc_TAB_in_indentation \
| xargs pcregrep -l '^ *\t' \
| xargs perl -MText::Tabs -ni -le \
'$m=/^( *\t[ \t]*)(.*)/; print $m ? expand($1) . $2 : $_'
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This command detects the architecture of some types of binaries,
libraries, kernel modules and initrd images.
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This adds a readdir call (mostly intended for programs). The
return value is a list of guestfs_dirent structures.
This adds the new types 'struct guestfs_dirent' and
'struct guestfs_dirent_list', along with all the code to
return these in the different language bindings.
Also includes additional tests for OCaml and Perl bindings
to test this.
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