于 2014年04月14日 23:05, John Ferlan 写道:
On 04/14/2014 02:15 AM, Xu Wang wrote:
> 于 2014年04月05日 00:12, John Ferlan 写道:
>> Rather than default to socket.gethostbyaddr(socket.gethostname())[0] to
>> get full_hostname(), go through a sequence of steps to get a more
>> correct result
>>
>> NOTE:
>> See
http://www.redhat.com/archives/libvirt-cim/2013-November/msg00082.html
>> for more details and history.
>>
>> Signed-off-by: John Ferlan <jferlan(a)redhat.com>
>> ---
>> lib/VirtLib/live.py | 11 ++++++++---
>> 1 file changed, 8 insertions(+), 3 deletions(-)
>>
>> diff --git a/lib/VirtLib/live.py b/lib/VirtLib/live.py
>> index c929e71..e9cafc1 100644
>> --- a/lib/VirtLib/live.py
>> +++ b/lib/VirtLib/live.py
>> @@ -100,6 +100,11 @@ def hostname(server):
>> return out
>>
>> def full_hostname(server):
>> - """To return the fully qualifiec domain name(FQDN) of the
system"""
>> -
>> - return socket.gethostbyaddr(socket.gethostname())[0]
>> + """To return the fully qualified domain name(FQDN) of the
system"""
>> +
>> + if socket.getfqdn().find('.') >= 0:
>> + return socket.getfqdn()
>> + elif socket.gethostname().find('.') >= 0:
>> + return socket.gethostname()
>> + else:
>> + return socket.gethostbyaddr(server)[1][0]
> I got an error here. The content of my /etc/hosts is,
>
> # cat /etc/hosts
> 127.0.0.1 RH64wenchao localhost localhost.localdomain localhost4
> localhost4.localdomain4 #RH64wenchao
>
I don't see the same results if I add a different name to /etc/hosts. I
didn't restart my network and that may make a difference. I did restart
my tog-pegasus, but that shouldn't make a difference, but who knows at
this point.
There's 3 places that use the returned data. I'll play with this some
more and see what happens
John
Dear John,
I installed several absolutely new systems to test it, and got
different results.
I have a question here. Why don't we use socket.gethostname() directly?
It seems
work well on my systems. Is there any other situation it could not handle?
Thanks,
Xu Wang
> And I got an failed result,
>
> # CIM_NS=root/virt CIM_USER=root CIM_PASS=****** ./runtests libvirt-cim
> -i localhost -c -d -v KVM -g HostSystem -t 01_enum.py
> Starting test suite: libvirt-cim
> Cleaned log files.
>
> Testing KVM hypervisor
> --------------------------------------------------------------------
> HostSystem - 01_enum.py: FAIL
> ERROR - Exp KVM_HostSystem, got KVM_HostSystem
> ERROR - Exp localhost.localdomain, got RH64wenchao
> CIM_ERR_INVALID_CLASS: Linux_ComputerSystem
> --------------------------------------------------------------------
>
> It means that @host and @hs[0].Name get the different value. I think it
> may happened when a computer
> has more than one hostname. My suggestion is @host make a string match
> with content of every element
> of @hs[] to check if @host is contained in it.
>
> Thanks,
> Xu Wang
>
>
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