3:45 a.m.
I know there's lots of functions that can access/modify the internal fs of
img or qcow2 through libguestfs.
I want to know is there any library can modify the raw/qcow2 image directly
in Python?
For example, there's function called read_qcow2(), and I can know the
content of tmp.qcow2 through the function read_qcow2().
4:24 a.m.
On Wednesday, 12 July 2017 10:45:35 CEST 陳培泓 wrote:
I know there's lots of functions that can access/modify the
internal fs of
img or qcow2 through libguestfs.
I want to know is there any library can modify the raw/qcow2 image directly
in Python?
For example, there's function called read_qcow2(), and I can know the
content of tmp.qcow2 through the function read_qcow2().
The only library I know for qcow2 is: https://github.com/libyal/libqcow
although it seems to not be fully up-to-date with the state of QEMU's
later additions to the format.
RAW files are just 1:1 representation of disks, so you will need to
read partitions, filesystems, etc directly from there.
--
Pino Toscano
5:03 a.m.
libqcow is read-only on qcow files and don't support write
It seems there's none library can parse the qcow format.
2017-07-12 17:24 GMT+08:00 Pino Toscano <ptoscano(a)redhat.com>:
On Wednesday, 12 July 2017 10:45:35 CEST 陳培泓 wrote:
> I know there's lots of functions that can access/modify the internal fs
of
> img or qcow2 through libguestfs.
>
> I want to know is there any library can modify the raw/qcow2 image
directly
> in Python?
>
> For example, there's function called read_qcow2(), and I can know the
> content of tmp.qcow2 through the function read_qcow2().
The only library I know for qcow2 is: https://github.com/libyal/libqcow
although it seems to not be fully up-to-date with the state of QEMU's
later additions to the format.
RAW files are just 1:1 representation of disks, so you will need to
read partitions, filesystems, etc directly from there.
--
Pino Toscano
11:46 a.m.
On Wed, Jul 12, 2017 at 04:45:35PM +0800, 陳培泓 wrote:
I know there's lots of functions that can access/modify the
internal fs of
img or qcow2 through libguestfs.
I want to know is there any library can modify the raw/qcow2 image directly
in Python?
libguestfs can do this, eg. using:
http://libguestfs.org/guestfs.3.html#guestfs_pread_device
http://libguestfs.org/guestfs.3.html#guestfs_pwrite_device
Another way might be to use the ‘qemu-io’ utility from qemu.
Rich.
For example, there's function called read_qcow2(), and I can know
the
content of tmp.qcow2 through the function read_qcow2().
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--
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3 comments
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participants (3)
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Pino Toscano -
Richard W.M. Jones -
陳培泓