| Commit message (Collapse) | Author | Age | Files | Lines |
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guestfs_set_autosync sets a flag which affects guestfs_close, and so
this call can be made at any time before the handle is closed, not
just in the config state.
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Function guestfs_mkdtemp uses c++ keyword "template" as a parameter
name. In result, attempt to use guestfs.h header in c++ program
results in compile error.
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I have checked, and this works with Ruby 1.8 as well.
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This is just the 'kernel', 'initrd' and 'root' files, copied from one
machine to another, along with a 'README.fixed' file which is also
used for identification.
This allows the appliance to be copied from one machine to another,
making it easier for us to distribute a starter appliance for people
who cannot get febootstrap or appliance-building working.
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This is just code motion.
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--20cf303ea4a84a7a7c04ba331375
Content-Type: text/plain; charset=ISO-8859-1
Hello Richard,
I found what the problem was and the udev symlinks where not created. The
init script in the appliance uses a full paths for udevadm (/sbin/udevadm)
which in my case was wrong. In Arch Linux udevadm is hosted under /usr/bin,
not /sbin. When I fixed this, libguestfs was able to communicate with the
appliance VM.
Since PATH variable is defined and exported in init, there is no need in
using full paths for external programs. As far as I've seen this affects
all the git branches in libguestfs's repository. Please find attached a
patch for the master branch.
Nikos Skalkotos,
Athens, Greece
On 24 February 2012 10:25, Richard W.M. Jones <rjones@redhat.com> wrote:
> On Thu, Feb 23, 2012 at 08:50:12PM +0200, Nikos Skalkotos wrote:
> [...]
>
> I don't know specifically why it fails with ArchLinux, but the problem
> is caused by the /dev/virtio-ports/* symlinks not getting created by
> udev.
>
> /dev/vport0p1 exists:
>
> > crw------- 1 root root 252, 1 Feb 23 18:17 vport0p1
>
> but udev doesn't make the corresponding /dev/virtio-ports symlink:
>
> > /dev/virtio-ports/org.libguestfs.channel.0: No such file or directory
>
> The symlink is supposed to be created by this udev rule:
>
> /lib/udev/rules.d/50-udev-default.rules:KERNEL=="vport*",
> ATTR{name}=="?*", SYMLINK+="virtio-ports/$attr{name}"
>
> So I'd start by looking to see if that rule exists in the udev rules
> that Arch is using. Secondly if it does exist, is the corresponding
> *.rules being copied into the appliance? (Check appliance/supermin.d/
> hostfiles)
>
> In an old Ubuntu that has udev that predates having this rule, we add
> the following patch:
>
>
> http://libguestfs.org/download/binaries/ubuntu1004-packages/0002-ubuntu-10.04-Use-dev-vport0p1.patch
>
> Rich.
>
> --
> Richard Jones, Virtualization Group, Red Hat
> http://people.redhat.com/~rjones
> virt-p2v converts physical machines to virtual machines. Boot with a
> live CD or over the network (PXE) and turn machines into Xen guests.
> http://et.redhat.com/~rjones/virt-p2v
>
Hello Richard,<br><br>I found what the problem was and the udev symlinks where not created. The init script in the appliance uses a full paths for udevadm (/sbin/udevadm) which in my case was wrong. In Arch Linux udevadm is hosted under /usr/bin, not /sbin. When I fixed this, libguestfs was able to communicate with the appliance VM.<br>
<br>Since PATH variable is defined and exported in init, there is no need in using full paths for external programs. As far as I've seen this affects all the git branches in libguestfs's repository. Please find attached a patch for the master branch.<br>
<br>Nikos Skalkotos,<br>Athens, Greece<br><br><div class="gmail_quote">On 24 February 2012 10:25, Richard W.M. Jones <span dir="ltr"><<a href="mailto:rjones@redhat.com">rjones@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
On Thu, Feb 23, 2012 at 08:50:12PM +0200, Nikos Skalkotos wrote:<br>
[...]<br>
<br>
I don't know specifically why it fails with ArchLinux, but the problem<br>
is caused by the /dev/virtio-ports/* symlinks not getting created by<br>
udev.<br>
<br>
/dev/vport0p1 exists:<br>
<div class="im"><br>
> crw------- 1 root root 252, 1 Feb 23 18:17 vport0p1<br>
<br>
</div>but udev doesn't make the corresponding /dev/virtio-ports symlink:<br>
<div class="im"><br>
> /dev/virtio-ports/org.libguestfs.channel.0: No such file or directory<br>
<br>
</div>The symlink is supposed to be created by this udev rule:<br>
<br>
/lib/udev/rules.d/50-udev-default.rules:KERNEL=="vport*", ATTR{name}=="?*", SYMLINK+="virtio-ports/$attr{name}"<br>
<br>
So I'd start by looking to see if that rule exists in the udev rules<br>
that Arch is using. Secondly if it does exist, is the corresponding<br>
*.rules being copied into the appliance? (Check appliance/supermin.d/<br>
hostfiles)<br>
<br>
In an old Ubuntu that has udev that predates having this rule, we add<br>
the following patch:<br>
<br>
<a href="http://libguestfs.org/download/binaries/ubuntu1004-packages/0002-ubuntu-10.04-Use-dev-vport0p1.patch" target="_blank">http://libguestfs.org/download/binaries/ubuntu1004-packages/0002-ubuntu-10.04-Use-dev-vport0p1.patch</a><br>
<br>
Rich.<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Richard Jones, Virtualization Group, Red Hat <a href="http://people.redhat.com/%7Erjones%0Avirt-p2v" target="_blank">http://people.redhat.com/~rjones<br>
virt-p2v</a> converts physical machines to virtual machines. Boot with a<br>
live CD or over the network (PXE) and turn machines into Xen guests.<br>
<a href="http://et.redhat.com/%7Erjones/virt-p2v" target="_blank">http://et.redhat.com/~rjones/virt-p2v</a><br>
</font></span></blockquote></div><br>
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Add the support for rhel.
Change the hostname and delete the HWADDR for rhel.
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
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Update the test to use the --format and --output-format flags.
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(Thanks Grant Williamson for finding and fixing this problem)
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Currently only ext2/3/4 and (newly) NTFS are supported.
This change also deprecates set-e2label.
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Note this is not a "chkdsk" equivalent tool.
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Limit the number of cpus below 255, since qemu can't support.
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
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Add a flag "ConfigOnly" to make sure that some non-daemon functions
should be called only at CONFIG state (RHBZ#796520).
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
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tracker-miner-fs jumps into newly mounted filesystems. This prevents
the filesystem from being unmounted, so retry a few times.
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Appliance building can be called from multiple processes, but this is
only safe if each process holds a lock on the 'checksum' file.
However threads within a process are not excluded by a file lock, and
so this strategy completely failed for a multithreaded program calling
guestfs_launch in parallel.
Since it makes no sense for threads in a single program to race each
other to try to create the appliance, add a lock around appliance
building.
This serialises building the appliance, but the rest of guestfs_launch
(eg. starting up qemu) can run in parallel.
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Test all the ways that the 'mount' command can fail. Ensure that none
of them result in failures or desynchronization.
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rhbz727178.sh exists, but historically was never added to the list of
tests, so it doesn't run. Create a special variable for this test and
ensure it is added to EXTRA_DIST.
Test was originally added in
commit d7356a2801130907997acd5c7502e8417566e782.
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(RHBZ#789960).
In the case where the caller attempts to mount the "hidden"
appliance root device (eg. /dev/vdb if /dev/vda is the only
normal block device added), we were calling reply_with_error
but not actually returning immediately, resulting in protocol
desynchronization.
This commit fixes this obvious mistake.
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For stubs of functions that had arguments, code did this:
static void
mount_stub (XDR *xdr_in)
{
int r;
struct guestfs_mount_args args;
if (optargs_bitmask != 0) {
//...
goto done;
}
// possibly other tests here
memset (&args, 0, sizeof args);
[...]
done:
xdr_free ((xdrproc_t) xdr_guestfs_mount_args, (char *) &args);
return;
}
This caused xdr_free to be called on uninitialized 'args' struct,
causing a segfault.
The fix is to add another label, so the code looks like:
static void
mount_stub (XDR *xdr_in)
{
int r;
struct guestfs_mount_args args;
if (optargs_bitmask != 0) {
//...
goto done_no_free;
}
// possibly other tests here
memset (&args, 0, sizeof args);
[...]
done:
xdr_free ((xdrproc_t) xdr_guestfs_mount_args, (char *) &args);
done_no_free:
return;
}
This fixes commit 330fbea5b2d6bd7db84f7ea7afe87cf1bcd438e0
and commit 0344248af55802bbbd816b349ec1ba9305996f6e.
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files (RHBZ#788641).
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If the upload fails, this means we don't leave a partially
written file.
Also add a test for the edit command.
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This is just code motion.
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This fixes commit a2b3e0900ee14e5a49d526c24e22edefc3030f99.
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This fixes commit a2b3e0900ee14e5a49d526c24e22edefc3030f99.
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erase the filesystem signatures on each device, then erase
the partitions, avoid to list all the partitions here.
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
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Add the new api wipefs to erase the filesystem signatures
on a device but now erase any data.
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
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(RHBZ#788641)
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See this util-linux commit:
https://github.com/karelzak/util-linux/commit/b82590ad46acf9fe8d332b53875e24c3c31e2482
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Update suppressions file to match.
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See comments in the code for details.
This is an alternate fix to
commit a9c8123c72db47bcab8dd738e8d5256a9ae87f11.
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