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Message #01056
[Bug 1632405] Re: virt-customize enters infinite loop: dhclient-script: cannot open /etc/fstab
[VERIFICATION XENIAL]
Now configures network without a problem.
$ dpkg -l | grep libguestfs
ii libguestfs-hfsplus:amd64 1:1.32.2-4ubuntu2.2 amd64 guest disk image management system - HFS+ support
ii libguestfs-perl 1:1.32.2-4ubuntu2.2 amd64 guest disk image management system - Perl bindings
ii libguestfs-reiserfs:amd64 1:1.32.2-4ubuntu2.2 amd64 guest disk image management system - ReiserFS support
ii libguestfs-tools 1:1.32.2-4ubuntu2.2 amd64 guest disk image management system - tools
ii libguestfs-xfs:amd64 1:1.32.2-4ubuntu2.2 amd64 guest disk image management system - XFS support
ii libguestfs0:amd64 1:1.32.2-4ubuntu2.2 amd64 guest disk image management system - shared library
$ sudo guestfish -a xenial-server-cloudimg-amd64-disk1.img --network -v << EOF
> run
> mount /dev/sda1 /
> command 'apt update'
> EOF
libguestfs: launch: program=guestfish
libguestfs: launch: version=1.32.2
libguestfs: launch: backend registered: unix
libguestfs: launch: backend registered: uml
libguestfs: launch: backend registered: libvirt
libguestfs: launch: backend registered: direct
...
commandrvf: apt update
...
renaming /sysroot/etc/2j272z4v to /sysroot/etc/resolv.conf
Hit:1 http://archive.ubuntu.com/ubuntu xenial InRelease
Get:2 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [109 kB]
Get:3 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [107 kB]
Get:4 http://security.ubuntu.com/ubuntu xenial-security InRelease [109 kB]
Get:5 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages [7532 kB]
Get:6 http://archive.ubuntu.com/ubuntu xenial/universe Translation-en [4354 kB]
Get:7 http://archive.ubuntu.com/ubuntu xenial/multiverse amd64 Packages [144 kB]
Get:8 http://archive.ubuntu.com/ubuntu xenial/multiverse Translation-en [106 kB]
Get:9 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages [912 kB]
Get:10 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages [728 kB]
Get:11 http://archive.ubuntu.com/ubuntu xenial-updates/universe Translation-en [301 kB]
Get:12 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 Packages [16.6 kB]
Get:13 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse Translation-en [8440 B]
Get:14 http://archive.ubuntu.com/ubuntu xenial-backports/main amd64 Packages [7280 B]
Get:15 http://archive.ubuntu.com/ubuntu xenial-backports/main Translation-en [4456 B]
Get:16 http://archive.ubuntu.com/ubuntu xenial-backports/universe amd64 Packages [7804 B]
Get:17 http://archive.ubuntu.com/ubuntu xenial-backports/universe Translation-en [4184 B]
Get:18 http://security.ubuntu.com/ubuntu xenial-security/universe amd64 Packages [425 kB]
Get:19 http://security.ubuntu.com/ubuntu xenial-security/universe Translation-en [171 kB]
Get:20 http://security.ubuntu.com/ubuntu xenial-security/multiverse amd64 Packages [5600 B]
Get:21 http://security.ubuntu.com/ubuntu xenial-security/multiverse Translation-en [2676 B]
Fetched 15.1 MB in 21s (714 kB/s)
Reading package lists...
Building dependency tree...
Reading state information...
All packages are up to date.
...
** Tags removed: verification-needed verification-needed-xenial
** Tags added: verification-done verification-done-xenial
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https://bugs.launchpad.net/bugs/1632405
Title:
virt-customize enters infinite loop: dhclient-script: cannot open
/etc/fstab
Status in libguestfs package in Ubuntu:
Fix Released
Status in libguestfs source package in Xenial:
Fix Committed
Bug description:
When running virt-customize against an existing raw image, it seems to
hang and do nothing. With verbose flag passed the logs are filled
with:
/sbin/dhclient-script: 31: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
/sbin/dhclient-script: 31: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
/sbin/dhclient-script: 31: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
/sbin/dhclient-script: 31: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
/sbin/dhclient-script: 31: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
/sbin/dhclient-script: 31: /sbin/dhclient-script: cannot open /etc/fstab: No such file
over and over again.
$ dpkg -l | grep guestfs
ii libguestfs-hfsplus:amd64 1:1.32.2-4ubuntu2 amd64 guest disk image management system - HFS+ support
ii libguestfs-perl 1:1.32.2-4ubuntu2 amd64 guest disk image management system - Perl bindings
ii libguestfs-reiserfs:amd64 1:1.32.2-4ubuntu2 amd64 guest disk image management system - ReiserFS support
ii libguestfs-rescue:amd64 1:1.32.2-4ubuntu2 amd64 guest disk image management system - virt-rescue enhancements
ii libguestfs-rsync:amd64 1:1.32.2-4ubuntu2 amd64 guest disk image management system - rsync support
ii libguestfs-tools 1:1.32.2-4ubuntu2 amd64 guest disk image management system - tools
ii libguestfs-xfs:amd64 1:1.32.2-4ubuntu2 amd64 guest disk image management system - XFS support
ii libguestfs0:amd64 1:1.32.2-4ubuntu2 amd64 guest disk image management system - shared library
$ lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04
According to
https://answers.launchpad.net/ubuntu/+source/libguestfs/+question/372927
this is fixed in 1.34, though I haven't verified this for myself.
******************SRU TEMPLATE******************
[Impact]
On Xenial libguestfs fails to configure network and gets into infinite loop,
because /etc/fstab file is not present which is required by dhclient-script.
Currently the libguestfs version for xenial is 1.32.2-4ubuntu2 which misses
the upstream commit [1] that solves the problem.
[Test Case]
$ lsb_release -rd
Description: Ubuntu 16.04.5 LTS
Release: 16.04
$ dpkg -l | grep guest
ii libguestfs-hfsplus:amd64 1:1.32.2-4ubuntu2 amd64 guest disk image management system - HFS+ support
ii libguestfs-perl 1:1.32.2-4ubuntu2 amd64 guest disk image management system - Perl bindings
ii libguestfs-reiserfs:amd64 1:1.32.2-4ubuntu2 amd64 guest disk image management system - ReiserFS support
ii libguestfs-tools 1:1.32.2-4ubuntu2 amd64 guest disk image management system - tools
ii libguestfs-xfs:amd64 1:1.32.2-4ubuntu2 amd64 guest disk image management system - XFS support
ii libguestfs0:amd64 1:1.32.2-4ubuntu2 amd64 guest disk image management system - shared library
$ sudo guestfish -a xenial-server-cloudimg-amd64-disk1.img --network -v << EOF
run
mount /dev/sda1 /
command 'apt update'
EOF
libguestfs: launch: program=guestfish
libguestfs: launch: version=1.32.2
libguestfs: launch: backend registered: unix
libguestfs: launch: backend registered: uml
....
[ 3.684953] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input2
/sbin/dhclient-script: 35: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
/sbin/dhclient-script: 35: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
/sbin/dhclient-script: 35: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
/sbin/dhclient-script: 35: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
/sbin/dhclient-script: 35: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
/sbin/dhclient-script: 35: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
/sbin/dhclient-script: 35: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
/sbin/dhclient-script: 35: /sbin/dhclient-script: cannot open /etc/fstab: No such file
RTNETLINK answers: File exists
[Regression Potential]
This may impact libguestfs functionality when netwrok flag is enabled.
[Other Info]
Upstream commit :
https://github.com/libguestfs/libguestfs/commit/fd60be95091a1923e108f72caf251f5549eeccd0
# git
git describe --contains fd60be9509
v1.33.43~10
# rmadison
=> libguestfs | 1:1.32.2-4ubuntu2 | xenial/universe | source
libguestfs | 1:1.36.13-1ubuntu3 | bionic/universe | source
libguestfs | 1:1.36.13-1ubuntu3.2 | bionic-updates/universe | source
libguestfs | 1:1.38.4-1ubuntu2 | cosmic/universe | source
libguestfs | 1:1.40.1-1ubuntu1 | disco/universe | source
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