Re: [libvirt] [virt-tools-list] virt-manager/libvirt backwards compatibility problem?
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On 07/27/2011 12:28 PM, Whit Blauvelt wrote:
Looks like my real problem may be not incorporating a Debian/Ubuntu
patch
before building 0.9.x, since netcat differs:
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/517478
Hmm, what was the error message you were getting? We've made efforts at
the libvirt level to have useful error reporting here, so that the cause
of failure is more obvious.
Also, I patched virt-manager a while ago to use a shell script to handle
both RH and debian 'nc' versions. Script is here:
http://git.fedorahosted.org/git?p=virt-manager.git;a=blob;f=src/virtManag...
Yeah, it's complete and utter crack, but this has been a constant
frustration for users, so maybe worth revisiting at the libvirt level
(and hey, launching nc over ssh is kinda crack to being with :) ).
Even if we solved this in a clean way by providing our own
/usr/libexec/libvirt_nc binary, we'd still probably have to play shell
script games over SSH to handle connecting to older libvirt (or what if
libvirt_nc was installed somewhere other than libexec?)
- Cole
Whit Blauvelt
Wednesday, 27 July
Wed, 27 Jul
2:40 p.m.
New subject: [libvirt] [virt-tools-list] virt-manager/libvirt backwards compatibility problem?
On Wed, Jul 27, 2011 at 12:46:02PM -0400, Cole Robinson wrote:
Hmm, what was the error message you were getting? We've made
efforts at
the libvirt level to have useful error reporting here, so that the cause
of failure is more obvious.
Debug-level error sequence at http://transpect.com/debug/virsh.txt
Also, I patched virt-manager a while ago to use a shell script to
handle
both RH and debian 'nc' versions. Script is here:
http://git.fedorahosted.org/git?p=virt-manager.git;a=blob;f=src/virtManag...
That's in the 0.9.0 virt-manager, but fails in my context, which where the
systems I'm trying to manage are 0.8.3 from Ubuntu debs, and I'm on the
latest versions of this all built from tar.
Whit
2:48 p.m.
New subject: [libvirt] [virt-tools-list] virt-manager/libvirt backwards compatibility problem?
The error from virt-manager 0.9.0's perspective is:
Unable to open a connection to the libvirt management daemon.
Libvirt URI is: qemu+ssh://root@192.168.1.65/system
Verify that:
- The 'libvirtd' daemon has been started [yes, it is]
Cannot recv data: 15:42:02.778: 29831: debug : virCommandHook:1959 : Hook is done 0:
Connection reset by peer
Traceback (most recent call last):
File "/usr/src/virt-manager-0.9.0/src/virtManager/connection.py", line 1146,
in _open_thread
self.vmm = self._try_open()
File "/usr/src/virt-manager-0.9.0/src/virtManager/connection.py", line 1130,
in _try_open
flags)
File "/usr/local/lib/python2.7/dist-packages/libvirt.py", line 102, in
openAuth
if ret is None:raise libvirtError('virConnectOpenAuth() failed')
libvirtError: Cannot recv data: 15:42:02.778: 29831: debug : virCommandHook:1959 : Hook
is done 0: Connection reset by peer
- Whit
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Whit Blauvelt