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Bug 1177210

Summary:	"Use --force to override" should not in the warning for virt-clone since "--force" option isn't available for virt-clone
Product:	Red Hat Enterprise Linux 7	Reporter:	zhoujunqin <juzhou>
Component:	virt-manager	Assignee:	Pavel Hrdina <phrdina>
Status:	CLOSED ERRATA	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	7.1	CC:	dyuan, gscrivan, mzhan, tzheng, xiaodwan
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	virt-manager-1.2.0-1-el7	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-11-19 05:23:12 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 zhoujunqin 2014-12-25 06:51:47 UTC

Description of problem:
"Use --force to override" should not in the warning for virt-clone since "--force" option isn't available for virt-clone

Version-Release number of selected component (if applicable):
virt-manager-1.1.0-10.el7.noarch
virt-install-1.1.0-10.el7.noarch
libvirt-1.2.8-11.el7.x86_64
qemu-kvm-rhev-2.1.2-17.el7.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Prepare a health guest.
# virsh list --all
 Id    Name                           State
----------------------------------------------------
 -     kvm-rhel6.6-i386-raw           shut off

2. Use virt-clone to clone this guest.
# virt-clone -o kvm-rhel6.6-i386-raw -n kvm-rhel6.6-i386-raw-clone -f /var/lib/libvirt/images/kvm-rhel6.6-i386-raw-clone
Allocating 'kvm-rhel6.6-i386-raw-clone'                                                                                                                                                     | 6.0 GB  00:01:47    

Clone 'kvm-rhel6.6-i386-raw-clone' created successfully.

# virsh list --all
 Id    Name                           State
----------------------------------------------------
 -     kvm-rhel6.6-i386-raw           shut off
 -     kvm-rhel6.6-i386-raw-clone     shut off

3. Undefine new guest.
# virsh undefine kvm-rhel6.6-i386-raw-clone
Domain kvm-rhel6.6-i386-raw-clone has been undefined

# ls /var/lib/libvirt/images/kvm-rhel6.6-i386-raw-clone
/var/lib/libvirt/images/kvm-rhel6.6-i386-raw-clone

4. Repeat step2 again with same disk file.
# virt-clone -o kvm-rhel6.6-i386-raw -n kvm-rhel6.6-i386-raw-clone -f /var/lib/libvirt/images/kvm-rhel6.6-i386-raw-clone
ERROR    This will overwrite the existing path '/var/lib/libvirt/images/kvm-rhel6.6-i386-raw-clone' (Use --force to override)

# virt-clone -o kvm-rhel6.6-i386-raw -n kvm-rhel6.6-i386-raw-clone -f /var/lib/libvirt/images/kvm-rhel6.6-i386-raw-clone  --force
WARNING  This will overwrite the existing path '/var/lib/libvirt/images/kvm-rhel6.6-i386-raw-clone'
ERROR    Clone onto existing storage volume is not currently supported: '/var/lib/libvirt/images/kvm-rhel6.6-i386-raw-clone'

5. Remove existing disk image and repeat step2 with "--force" option.

# rm -rf kvm-rhel6.6-i386-raw-clone

# virt-clone -o kvm-rhel6.6-i386-raw -n kvm-rhel6.6-i386-raw-clone -f /var/lib/libvirt/images/kvm-rhel6.6-i386-raw-clone --force
Allocating 'kvm-rhel6.6-i386-raw-clone'                                                                                                                                                     | 6.0 GB  00:02:10     

Clone 'kvm-rhel6.6-i386-raw-clone' created successfully.


Actual results:
There is no --force in both virt-clone help and manual,I didn't find any patch to remove this option.
1. After step4, when clone a guest to an existing disk, it will report warning message:
"Use --force to override"

2. After step5, clone guest finished successfully and with no warning message.

Expected results:
If "force" option is not supported by rhel7, please improve warning message.
If it is supported always, please add it to virt-clone manual and help and fix function.

Additional info:

Comment 1 Pavel Hrdina 2015-06-19 12:55:59 UTC

Upstream commit:

commit 93f826a8b2ca21e9cb91a870acef1c37f43dfda3
Author: Cole Robinson <crobinso>
Date:   Sat Apr 11 19:25:46 2015 -0400

    cli: Replace add --check option (bz 1063471)
    
    For fine grained enabling/disabling validation checks. Use this to
    replace the heavy handed --force option.

Comment 2 Xiaodai Wang 2015-06-25 03:41:34 UTC

I can reproduce this bug with package:
virt-manager-1.1.0-13.el7.noarch

Steps:
1. Prepare a health guest.
# virsh list --all
 Id    Name                           State
----------------------------------------------------
 -     vm1                            shut off

2. Use virt-clone to clone this guest.
# virt-clone -o vm1 -n vm1-clone -f /var/lib/libvirt/images/vm1-clone

# virsh list --all
 Id    Name                           State
----------------------------------------------------
 -     vm1                            shut off
 -     vm1-clone                      shut off

3. Undefine new guest.
# virsh undefine vm1-clone
Domain vm1-clone has been undefined

# ls /var/lib/libvirt/images/vm1-clone 
/var/lib/libvirt/images/vm1-clone

4. Repeat step2 again with same disk file.
# virt-clone -o vm1 -n vm1-clone -f /var/lib/libvirt/images/vm1-clone
ERROR    This will overwrite the existing path '/var/lib/libvirt/images/vm1-clone' (Use --force to override)


Then try to verify with latest build:
virt-manager-1.2.1-2.el7.noarch.rpm  


Result:
# virt-clone -o vm1 -n vm1-clone -f /var/lib/libvirt/images/vm1-clone
ERROR    This will overwrite the existing path '/var/lib/libvirt/images/vm1-clone' (Use --check path_exists=off or --check all=off to override)

# virt-clone -o vm1 -n vm1-clone -f /var/lib/libvirt/images/vm1-clone --check path_exists=off
WARNING  This will overwrite the existing path '/var/lib/libvirt/images/vm1-clone'
ERROR    Clone onto existing storage volume is not currently supported: '/var/lib/libvirt/images/vm1-clone'

# virt-clone -o vm1 -n vm1-clone -f /var/lib/libvirt/images/vm1-clone --check all=off
WARNING  This will overwrite the existing path '/var/lib/libvirt/images/vm1-clone'
ERROR    Clone onto existing storage volume is not currently supported: '/var/lib/libvirt/images/vm1-clone'

According about info, This bus is fixed.

Comment 4 Xiaodai Wang 2015-07-09 02:24:50 UTC

Move the bug to VERIFIED based on #comment 2.

Comment 6 errata-xmlrpc 2015-11-19 05:23:12 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-2206.html