[Libguestfs] [PATCH] launch: show hint to resolve authentication failure from libvirt

[Olaf Hering]

On Thu, Oct 11, Daniel P. Berrange wrote:

> On Thu, Oct 11, 2012 at 01:10:16PM +0200, Olaf Hering wrote:
> > However, adding 'olaf' into group 'kvm' does not help to run
> > libguestfs-test-tool, its still a 'qemu' guest.
> Did you login + logout and restart libvirtd after adding yourself
> to the kvm group ?

Yes, id shows the new group.
 
> This is peculiar - it doesn't show any QEMU guests at all.
> What does 'virsh -c qemu:///system capabilities' report ?

I think a user has not enough permissions per default.

root at stein-schneider:~ # virsh -c qemu:///system capabilities
<capabilities>

  <host>
    <uuid>1269ce01-fe8f-11d5-90fd-00265523ecea</uuid>
    <cpu>
      <arch>x86_64</arch>
      <model>Nehalem</model>
      <vendor>Intel</vendor>
      <topology sockets='1' cores='4' threads='2'/>
      <feature name='rdtscp'/>
      <feature name='dca'/>
      <feature name='pdcm'/>
      <feature name='xtpr'/>
      <feature name='tm2'/>
      <feature name='est'/>
      <feature name='vmx'/>
      <feature name='ds_cpl'/>
      <feature name='monitor'/>
      <feature name='dtes64'/>
      <feature name='pbe'/>
      <feature name='tm'/>
      <feature name='ht'/>
      <feature name='ss'/>
      <feature name='acpi'/>
      <feature name='ds'/>
      <feature name='vme'/>
    </cpu>
    <power_management>
      <suspend_disk/>
    </power_management>
    <migration_features>
      <live/>
      <uri_transports>
        <uri_transport>tcp</uri_transport>
      </uri_transports>
    </migration_features>
    <topology>
      <cells num='1'>
        <cell id='0'>
          <cpus num='8'>
            <cpu id='0'/>
            <cpu id='1'/>
            <cpu id='2'/>
            <cpu id='3'/>
            <cpu id='4'/>
            <cpu id='5'/>
            <cpu id='6'/>
            <cpu id='7'/>
          </cpus>
        </cell>
      </cells>
    </topology>
    <secmodel>
      <model>none</model>
      <doi>0</doi>
    </secmodel>
    <secmodel>
      <model>dac</model>
      <doi>0</doi>
    </secmodel>
  </host>

  <guest>
    <os_type>hvm</os_type>
    <arch name='i686'>
      <wordsize>32</wordsize>
      <emulator>/usr/bin/qemu-kvm</emulator>
      <machine>pc-1.1</machine>
      <machine canonical='pc-1.1'>pc</machine>
      <machine>pc-1.0</machine>
      <machine>pc-0.15</machine>
      <machine>pc-0.14</machine>
      <machine>pc-0.13</machine>
      <machine>pc-0.12</machine>
      <machine>pc-0.11</machine>
      <machine>pc-0.10</machine>
      <machine>isapc</machine>
      <domain type='qemu'>
      </domain>
      <domain type='kvm'>
        <emulator>/usr/bin/qemu-kvm</emulator>
      </domain>
    </arch>
    <features>
      <cpuselection/>
      <deviceboot/>
      <pae/>
      <nonpae/>
      <acpi default='on' toggle='yes'/>
      <apic default='on' toggle='no'/>
    </features>
  </guest>

  <guest>
    <os_type>hvm</os_type>
    <arch name='x86_64'>
      <wordsize>64</wordsize>
      <emulator>/usr/bin/qemu-kvm</emulator>
      <machine>pc-1.1</machine>
      <machine canonical='pc-1.1'>pc</machine>
      <machine>pc-1.0</machine>
      <machine>pc-0.15</machine>
      <machine>pc-0.14</machine>
      <machine>pc-0.13</machine>
      <machine>pc-0.12</machine>
      <machine>pc-0.11</machine>
      <machine>pc-0.10</machine>
      <machine>isapc</machine>
      <domain type='qemu'>
      </domain>
      <domain type='kvm'>
        <emulator>/usr/bin/qemu-kvm</emulator>
      </domain>
    </arch>
    <features>
      <cpuselection/>
      <deviceboot/>
      <acpi default='on' toggle='yes'/>
      <apic default='on' toggle='no'/>
    </features>
  </guest>

</capabilities>


Olaf