[one-users] libvirt and kvm permission problem.

Idafen Santana Pérez idafensp at gmail.com
Thu Mar 31 02:35:53 PDT 2011


I'm on CentOS 5.5. it seems I can connect with virsh under oneadmin account.

[oneadmin at granada ~]$ virsh -c qemu:///system
Welcome to virsh, the virtualization interactive terminal.

Type:  'help' for help with commands
       'quit' to quit


I've solved the problem, but I am not sure if this is the best/right way.

Regards,
Idafen


On Thu, Mar 31, 2011 at 11:22 AM, Christoph Raible
<c.raible at science-computing.de> wrote:
> Am 31.03.2011 11:14, schrieb Idafen Santana Pérez:
>
>> Thanks a lot Ignazio,
>>
>> I've changed this parameters:
>>
>> unix_sock_group = "libvirt" ->  unix_sock_group = "oneadmin" (oneadmin
>> is my cloud group, shame on me I've called user and group the same)
>>
>> unix_sock_rw_perms = "0770" ->  unix_sock_rw_perms = "0777"
>>
>> I am not sure at all about changing unix_sock_rw_perms, but it doesn't
>> work unless I do that.
>>
>> Then I restarted the libvirtd  and one daemons and it seem to be working.
>>
>> Regards,
>> Idafen
>>
>>
>> On Thu, Mar 31, 2011 at 8:36 AM,<ignazio.cassano at provincia.torino.it>
>>  wrote:
>>>
>>> Yu must set libvirt to run with cloud group permissions in libvirtd.conf
>>>
>>> ----- Messaggio da idafensp at gmail.com ---------
>>>    Data: Wed, 30 Mar 2011 17:20:41 +0200
>>>    Da: Idafen Santana Pérez<idafensp at gmail.com>
>>>  Oggetto: [one-users] libvirt and kvm permission problem.
>>>      A: users at lists.opennebula.org
>>>
>>>
>>>> Hi,
>>>>
>>>> I'm having problems with libvirtd and kvm. I can create a host (called
>>>> localhost) and it is on until systems tries to monitorize it. I'm
>>>> executing libvirtd as root (? can not do it as oneadmin) and running
>>>> one under my oneadmin account. This is my oned.log output.
>>>>
>>>>
>>>> Wed Mar 30 17:08:36 2011 [ReM][D]: HostPoolInfo method invoked
>>>> Wed Mar 30 17:08:36 2011 [ReM][D]: VirtualMachinePoolInfo method invoked
>>>> Wed Mar 30 17:08:36 2011 [InM][I]: Command execution fail: 'if [ -x
>>>> "/var/tmp/one/im/run_probes" ]; then /var/tmp/one/im/run_probes kvm
>>>> localhost; else                              exit 42; fi'
>>>> Wed Mar 30 17:08:36 2011 [InM][I]: STDERR follows.
>>>> Wed Mar 30 17:08:36 2011 [InM][I]: error: unable to connect to
>>>> '/var/run/libvirt/libvirt-sock', libvirtd may need to be started:
>>>> Permission denied
>>>> Wed Mar 30 17:08:36 2011 [InM][I]: error: failed to connect to the
>>>> hypervisor
>>>> Wed Mar 30 17:08:36 2011 [InM][I]: Error executing kvm.rb
>>>> Wed Mar 30 17:08:36 2011 [InM][I]: ExitCode: 255
>>>> Wed Mar 30 17:08:36 2011 [InM][E]: Error monitoring host 0 : MONITOR
>>>> FAILURE 0 Could not monitor host localhost.
>>>>
>>>>
>>>> Any idea?
>>>>
>>>> Thanks in advance.
>>>> Idafen
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at lists.opennebula.org
>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>
>>>
>>> ----- Fine messaggio da idafensp at gmail.com -----
>>>
>>>
>>>
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>
> Which distribution do you use?
>
> In some distributions do you need to make some symbolic links or you have to
> set Policy kit rules....
>
> Can you connect with the oneadmin user to virsh with virsh -c
> qemu:///system?
>
>
> Regards
> Christoph
>
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