Bug 1719169 - use a common error prefix for drive_add errors
Summary: use a common error prefix for drive_add errors
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat Enterprise Linux Advanced Virtualization
Classification: Red Hat
Component: qemu-kvm
Version: 8.0
Hardware: Unspecified
OS: Unspecified
low
unspecified
Target Milestone: rc
: ---
Assignee: Maxim Levitsky
QA Contact: qing.wang
URL:
Whiteboard:
Depends On:
Blocks: 1718255
TreeView+ depends on / blocked
 
Reported: 2019-06-11 08:42 UTC by Ján Tomko
Modified: 2020-01-27 20:47 UTC (History)
5 users (show)

Fixed In Version:
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Environment:
Last Closed: 2020-01-27 20:47:56 UTC
Type: Bug
Target Upstream Version:
Embargoed:

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Description Ján Tomko 2019-06-11 08:42:31 UTC 
Description of problem:
drive_add does not use a common prefix for errors, thus making errors like:
"LUKS version 2 is not supported\r\n" hard to parse

Steps to Reproduce:
1. Create a LUKSv2 disk
2. Try attaching it via libvirt

Actual results:
drive_add returns:
"LUKS version 2 is not supported\r\n"

Expected results:
"Error: LUKS version 2 is not supported\r\n"


Additional info:
There was an error prefix added upstream:
commit 66363e9a43f649360a3f74d2805c9f864da027eb
    HMP: Prepend errors with 'Error:'
but drive_add does not seem to be using hmp_handle_error
as of upstream commit 185b7ccc11354cbd69b6d53bf8d831dd964f6c88
Comment 2 Peter Krempa 2020-01-27 20:47:56 UTC 
At this point libvirt already uses blockdev-add, which has error reporting by default, so there's no point in fixing the HMP version.
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