[Pkg-libvirt-maintainers] Bug#973489: libvirt-daemon-system: upgrade overwrites generated file /etc/libvirt/qemu/networks/default.xml

Thorsten Glaser tg at mirbsd.de
Sat Oct 31 16:50:23 GMT 2020


Package: libvirt-daemon-system
Version: 6.8.0-1
Severity: normal
X-Debbugs-Cc: tg at mirbsd.de

I suspect this file should not have been a conffile, i.e. not
shipped in /etc (but somewhere under /usr and copied to /etc
during postinst).

NOTE: Migrating to _that_ setup is dangerous as well, see #971683
for what can happen when done naïvely.

[…]
Preparing to unpack .../23-libvirt-daemon-system_6.8.0-1_amd64.deb ...
Unpacking libvirt-daemon-system (6.8.0-1) over (6.6.0-2) ...
[…]
Setting up libvirt-daemon (6.8.0-1) ...
Setting up libvirt-daemon-driver-qemu (6.8.0-1) ...
Setting up libvirt-daemon-system (6.8.0-1) ...
Installing new version of config file /etc/apparmor.d/abstractions/libvirt-qemu ...
Installing new version of config file /etc/apparmor.d/usr.sbin.libvirtd ...
Installing new version of config file /etc/libvirt/libvirtd.conf ...

Configuration file '/etc/libvirt/qemu/networks/default.xml'
 ==> Modified (by you or by a script) since installation.
 ==> Package distributor has shipped an updated version.
   What would you like to do about it ?  Your options are:
    Y or I  : install the package maintainer's version
    N or O  : keep your currently-installed version
      D     : show the differences between the versions
      Z     : start a shell to examine the situation
 The default action is to keep your current version.
*** default.xml (Y/I/N/O/D/Z) [default=N] ? d
--- /etc/libvirt/qemu/networks/default.xml      2015-06-03 22:04:56.021794155 +0200
+++ /etc/libvirt/qemu/networks/default.xml.dpkg-new     2020-10-01 09:50:39.000000000 +0200
@@ -1,16 +1,7 @@
-<!--
-WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
-OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
-  virsh net-edit default
-or other application using the libvirt API.
--->
-
 <network>
   <name>default</name>
-  <uuid>aaf572f9-67bf-4d32-9d39-ffca92ff9784</uuid>
-  <forward mode='nat'/>
-  <bridge name='virbr0' stp='on' delay='0'/>
-  <mac address='52:54:00:f1:17:8c'/>
+  <bridge name='virbr0'/>
+  <forward/>
   <ip address='192.168.122.1' netmask='255.255.255.0'>
     <dhcp>
       <range start='192.168.122.2' end='192.168.122.254'/>

Configuration file '/etc/libvirt/qemu/networks/default.xml'
 ==> Modified (by you or by a script) since installation.
 ==> Package distributor has shipped an updated version.
   What would you like to do about it ?  Your options are:
    Y or I  : install the package maintainer's version
    N or O  : keep your currently-installed version
      D     : show the differences between the versions
      Z     : start a shell to examine the situation
 The default action is to keep your current version.
*** default.xml (Y/I/N/O/D/Z) [default=N] ? _


-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'oldstable-updates'), (500, 'buildd-unstable'), (500, 'unstable'), (500, 'oldstable'), (1, 'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.9.0-1-amd64 (SMP w/2 CPU threads)
Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/lksh
Init: sysvinit (via /sbin/init)

Versions of packages libvirt-daemon-system depends on:
ii  adduser                     3.118
ii  debconf [debconf-2.0]       1.5.74
ii  gettext-base                0.19.8.1-10
ii  iptables                    1.8.5-3
ii  libc6                       2.31-4
ii  libgcc-s1                   10.2.0-16
ii  libglib2.0-0                2.66.1-2
ii  libvirt-clients             6.8.0-1
iu  libvirt-daemon              6.8.0-1
ii  libvirt-daemon-system-sysv  6.8.0-1
ii  libvirt0                    6.8.0-1
ii  libxml2                     2.9.10+dfsg-6.2
ii  logrotate                   3.17.0-1
ii  policykit-1                 0.105-29

Versions of packages libvirt-daemon-system recommends:
ii  dmidecode     3.2-4
pn  dnsmasq-base  <none>
ii  iproute2      5.9.0-1
pn  mdevctl       <none>
ii  parted        3.3-4

Versions of packages libvirt-daemon-system suggests:
pn  apparmor    <none>
pn  auditd      <none>
pn  nfs-common  <none>
pn  open-iscsi  <none>
pn  pm-utils    <none>
pn  radvd       <none>
pn  systemd     <none>
pn  systemtap   <none>
pn  zfsutils    <none>

-- Configuration Files:
/etc/libvirt/nwfilter/allow-arp.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/allow-arp.xml'
/etc/libvirt/nwfilter/allow-dhcp-server.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/allow-dhcp-server.xml'
/etc/libvirt/nwfilter/allow-dhcp.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/allow-dhcp.xml'
/etc/libvirt/nwfilter/allow-incoming-ipv4.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/allow-incoming-ipv4.xml'
/etc/libvirt/nwfilter/allow-ipv4.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/allow-ipv4.xml'
/etc/libvirt/nwfilter/clean-traffic-gateway.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/clean-traffic-gateway.xml'
/etc/libvirt/nwfilter/clean-traffic.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/clean-traffic.xml'
/etc/libvirt/nwfilter/no-arp-ip-spoofing.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-arp-ip-spoofing.xml'
/etc/libvirt/nwfilter/no-arp-mac-spoofing.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-arp-mac-spoofing.xml'
/etc/libvirt/nwfilter/no-arp-spoofing.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-arp-spoofing.xml'
/etc/libvirt/nwfilter/no-ip-multicast.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-ip-multicast.xml'
/etc/libvirt/nwfilter/no-ip-spoofing.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-ip-spoofing.xml'
/etc/libvirt/nwfilter/no-mac-broadcast.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-mac-broadcast.xml'
/etc/libvirt/nwfilter/no-mac-spoofing.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-mac-spoofing.xml'
/etc/libvirt/nwfilter/no-other-l2-traffic.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-other-l2-traffic.xml'
/etc/libvirt/nwfilter/no-other-rarp-traffic.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-other-rarp-traffic.xml'
/etc/libvirt/nwfilter/qemu-announce-self-rarp.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/qemu-announce-self-rarp.xml'
/etc/libvirt/nwfilter/qemu-announce-self.xml [Errno 13] Permission denied: '/etc/libvirt/nwfilter/qemu-announce-self.xml'
/etc/libvirt/qemu.conf [Errno 13] Permission denied: '/etc/libvirt/qemu.conf'
/etc/libvirt/qemu/networks/default.xml [Errno 13] Permission denied: '/etc/libvirt/qemu/networks/default.xml'

-- debconf information:
  libvirt-daemon-system/id_warning: true


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