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Bug 890483

Summary:	virsh domif-getlink command fail with '--config' option
Product:	Red Hat Enterprise Linux 6	Reporter:	yanbing du <ydu>
Component:	libvirt	Assignee:	Libvirt Maintainers <libvirt-maint>
Status:	CLOSED NOTABUG	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	6.4	CC:	acathrow, dyasny, dyuan, jyang, mzhan, rwu, whuang
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:
Clones:	890486 (view as bug list)		Environment:
Last Closed:	2012-12-28 05:07:05 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description yanbing du 2012-12-27 08:14:10 UTC

Description of problem:
With --config option, virsh domif-getlink command always fail. 

Version-Release number of selected component (if applicable):
libvirt-0.10.2-13.el6.x86_64

How reproducible:
100%

Steps to Reproduce:
1.
# virsh domiflist tt
Interface  Type       Source     Model       MAC
-------------------------------------------------------
vnet2      network    default    -           52:54:00:89:165

# virsh domif-getlink tt vnet2
vnet2 default

# virsh domif-getlink tt vnet2 --config
error: Interface (target: vnet2) not found.
2.
3.
  
Actual results:
as step1

Expected results:
--config option can work

Additional info:

Comment 2 dyuan 2012-12-27 10:36:28 UTC

Please check it with MAC but not target dev for --config, if MAC works well then it should be NOTABUG.

Comment 3 yanbing du 2012-12-27 11:44:41 UTC

(In reply to comment #2)
> Please check it with MAC but not target dev for --config, if MAC works well
> then it should be NOTABUG.

Yes, with MAC it works.
# virsh domif-getlink tt 52:54:00:cc:26:f3 --config
52:54:00:cc:26:f3 default

So maybe the man page need update to clear this.
Another problem, when start a domain with several virtual interfaces(belongs to different virtual network), virsh domif-getlink get similar result. 

# virsh domiflist tt
Interface  Type       Source     Model       MAC
-------------------------------------------------------
vnet2      network    default    -           52:54:00:89:16:d5
vnet3      network    net1       -           52:54:00:cc:26:f3
vnet4      network    ipv6       -           52:54:00:d3:24:a9

# virsh domif-getlink tt vnet2
vnet2 default
# virsh domif-getlink tt vnet3
vnet3 default
# virsh domif-getlink tt vnet4
vnet4 default

So what's the meaning of "default"?

Comment 4 dyuan 2012-12-28 04:13:59 UTC

Confirmed with devel.

Before you issue domif-setlink, the domif-getlink will return "default" which means "up" in case of qemu.
domif-setlink works like if you unplug the cable and domif-getlink doesn't have an api, it just works on XML, so default is printed if the xml doesn't have the state in it.
So can't get the "up" & "down" state before issue domif-setlink for now.

Comment 5 Osier Yang 2012-12-28 04:39:04 UTC

this should be close as NOTABUG too.

Comment 6 yanbing du 2012-12-28 05:07:05 UTC

(In reply to comment #5)
> this should be close as NOTABUG too.

OK, i see.
So close this bug as NOTABUG.