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Bug 1727821 - Failed to convert a source image to the qcow2 image encrypted by luks
Summary: Failed to convert a source image to the qcow2 image encrypted by luks
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: qemu-kvm
Version: 8.1
Hardware: Unspecified
OS: Unspecified
high
medium
Target Milestone: rc
: ---
Assignee: Kevin Wolf
QA Contact: Tingting Mao
URL:
Whiteboard:
Depends On: 1575578
Blocks: 1625604 1746712
TreeView+ depends on / blocked
 
Reported: 2019-07-08 09:20 UTC by yujie ma
Modified: 2019-11-05 20:51 UTC (History)
15 users (show)

Fixed In Version: qemu-kvm-2.12.0-85.module+el8.1.0+4010+d6842f29
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 1575578
Environment:
Last Closed: 2019-11-05 20:51:02 UTC
Type: Bug
Target Upstream Version:
Embargoed:
pm-rhel: mirror+

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2019:3345 0 None None None 2019-11-05 20:51:32 UTC

Description yujie ma 2019-07-08 09:20:36 UTC 
+++ This bug was initially created as a clone of Bug #1575578 +++

Description of problem:
Failed to convert a source image to the qcow2 image encrypted by luks


Version-Release number of selected component (if applicable):
kernel-4.18.0-107.el8.x86_64
qemu-kvm-2.12.0-80.module+el8.1.0+3572+48154135


How reproducible:
100%


Steps to Reproduce:
1. Create image with luks-inside-qcow2
# qemu-img create --object secret,id=sec0,data=backing -f qcow2 -o encrypt.format=luks,encrypt.key-secret=sec0 base.qcow2 20G
2.Convert the base.qcow2 to a qcow2 image with luks-inside-qcow2
# qemu-img convert -p --object secret,id=sec0,data=backing --object secret,id=sec2,data=convert --image-opts driver=qcow2,encrypt.key-secret=sec0,file.filename=base.qcow2 -O qcow2 -o encrypt.format=luks,encrypt.key-secret=sec2 convert.qcow2


Actual results:
Convert failed with the message as below:
qemu-img: Could not open 'convert.qcow2': Parameter 'encrypt.key-secret' is required for cipher

Expected results:
Convert successfully.

Additional info:
Comment 5 Tingting Mao 2019-08-20 07:39:47 UTC 
Verified this issue as below.


Tested packages:
kernel-4.18.0-134.el8
qemu-kvm-2.12.0-85.module+el8.1.0+4010+d6842f29


Scenario1 (luks-inside-qcow2)
1. Create image
# qemu-img create --object secret,id=sec0,data=backing -f qcow2 -o encrypt.format=luks,encrypt.key-secret=sec0 base.qcow2 20G

2. Convert to a encrypted image, successfully.
# qemu-img convert -p --object secret,id=sec0,data=backing --object secret,id=sec2,data=convert --image-opts driver=qcow2,encrypt.key-secret=sec0,file.filename=base.qcow2 -O qcow2 -o encrypt.format=luks,encrypt.key-secret=sec2 convert.qcow2
    (100.00/100%)

3. Compare the source and target images, they are identical.
# qemu-img compare -p --object secret,id=sec0,data=backing --object secret,id=sec1,data=convert --image-opts driver=qcow2,encrypt.key-secret=sec0,file.filename=base.qcow2 driver=qcow2,encrypt.key-secret=sec1,file.filename=convert.qcow2
Images are identical.


Scenario2 (luks)
1. Create image with luks format
# qemu-img create -f luks --object secret,id=sec0,data=base -o key-secret=sec0 test.luks 10G

2. Convert to another luks image, successfully
# qemu-img convert -p --object secret,id=sec0,data=base --object secret,id=sec1,data=convert --image-opts driver=luks,key-secret=sec0,file.filename=test.luks -O luks -o key-secret=sec1 convert.luks
    (100.00/100%)

3. Compare the two images, and they are identical.
# qemu-img compare -p --object secret,id=sec0,data=base --object secret,id=sec1,data=convert --image-opts driver=luks,key-secret=sec0,file.filename=test.luks driver=luks,key-secret=sec1,file.filename=convert.luks
Images are identical.
Comment 7 errata-xmlrpc 2019-11-05 20:51:02 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://access.redhat.com/errata/RHSA-2019:3345
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