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Bug 1672957

Summary: [RHEL 7.7] [libvirt] Backport 07c9d6601 ("qemu: use line breaks in command line args written to log")
Product: Red Hat Enterprise Linux 7 Reporter: Kashyap Chamarthy <kchamart>
Component: libvirtAssignee: Daniel Berrangé <berrange>
Status: CLOSED ERRATA QA Contact: Yanqiu Zhang <yanqzhan>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.7CC: berrange, fjin, jdenemar, jsuchane, yalzhang, yanqzhan
Target Milestone: rcKeywords: Reopened
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: libvirt-4.5.0-18.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-08-06 13:14:35 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 Kashyap Chamarthy 2019-02-06 10:28:50 UTC 
Please backport (or let it in via rebase) the following commit to RHEL 
7.7.  This makes debugging more pleasant (don't understimate how
important this is for those who look at giant QEMU command-lines without
any line breaks, all the time).  And, as DanPB noted on IRC, we'll now
be able to read the QEMU command-line when people copy / paste it in
bugs, without making our eyes bleed.

    commit 07c9d6601d0b440acd13794b258bdcb570ae93f4
    Author: Daniel P. Berrangé <berrange>
    Date:   Fri Dec 14 12:07:08 2018 +0000

        qemu: use line breaks in command line args written to log
    
        The QEMU command line arguments are very long and currently all written
        on a single line to /var/log/libvirt/qemu/$GUEST.log. This introduces
        logic to add line breaks after every env variable and "-" optional
        argument, and every positional argument. This will create a clearer log
        file, which will in turn present better in bug reports when people cut +
        paste from the log into a bug comment.
    
        An example log file entry now looks like this:
    
          2018-12-14 12:57:03.677+0000: starting up libvirt version: 5.0.0, qemu version: 3.0.0qemu-3.0.0-1.fc29, kernel: 4.19.5-300.fc29.x86_64, hostname: localhost.localdomain
          LC_ALL=C \
          PATH=/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin \
          HOME=/home/berrange \
          USER=berrange \
          LOGNAME=berrange \
          QEMU_AUDIO_DRV=none \
          /usr/bin/qemu-system-ppc64 \
          -name guest=guest,debug-threads=on \
          -S \
          -object secret,id=masterKey0,format=raw,file=/home/berrange/.config/libvirt/qemu/lib/domain-33-guest/master-key.aes \
          -machine pseries-2.10,accel=tcg,usb=off,dump-guest-core=off \
          -m 1024 \
          -realtime mlock=off \
          -smp 1,sockets=1,cores=1,threads=1 \
          -uuid c8a74977-ab18-41d0-ae3b-4041c7fffbcd \
          -display none \
          -no-user-config \
          -nodefaults \
          -chardev socket,id=charmonitor,fd=23,server,nowait \
          -mon chardev=charmonitor,id=monitor,mode=control \
          -rtc base=utc \
          -no-shutdown \
          -boot strict=on \
          -device qemu-xhci,id=usb,bus=pci.0,addr=0x1 \
          -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x2 \
          -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
          -msg timestamp=on
          2018-12-14 12:57:03.730+0000: shutting down, reason=failed

        Signed-off-by: Daniel P. Berrangé <berrange>
Comment 2 RHEL Program Management 2019-04-03 12:13:54 UTC 
Development Management has reviewed and declined this request. You may appeal this decision by reopening this request.
Comment 3 Daniel Berrangé 2019-04-03 12:26:46 UTC 
Re-opening this because it will make our life as maintainers much less painful to have this more intelligible command line args in bug reports users/customers file.
Comment 8 errata-xmlrpc 2019-08-06 13:14:35 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-2019:2294