Public bug reported:
The command "shutdown -r +5" doesn't work in a xenial lxc container. I
found this out by trying to use Landscape to restart a xenial lxc
container and the operation failed. I was told by the Landscape team
that the restart button simply does a "shutdown -r +5".
The problem seems to be that the dbus package is missing in the xenial
lxc image.
This is what happens:
root@xenialtest:/# shutdown -r +5
Failed to connect to bus: No such file or directory
Failed to connect to bus: No such file or directory
And if I install dbus:
root@xenialtest:/# shutdown -r +5
Shutdown scheduled for Wed 2016-06-08 19:28:44 UTC, use 'shutdown -c' to cancel.
The issue happens whether I use the download template or the ubuntu
template when creating the LXC container:
root@davecorelaptop:/var/cache/lxc# lxc-create -t ubuntu -n test2
root@davecorelaptop:/var/cache/lxc# lxc-start -d -n test2
root@davecorelaptop:/var/cache/lxc# lxc-attach -n test2
root@test2:/# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04 LTS
Release: 16.04
Codename: xenial
root@test2:/# shutdown -r +5
Failed to connect to bus: No such file or directory
Failed to connect to bus: No such file or directory
or
root@davecorelaptop:~# lxc-create -t download -n test
Setting up the GPG keyring
Downloading the image index
---
DIST RELEASE ARCH VARIANT BUILD
---
alpine 3.0 amd64 default 20160608_18:03
alpine 3.0 i386 default 20160608_17:50
alpine 3.1 amd64 default 20160608_17:50
alpine 3.1 i386 default 20160608_18:03
alpine 3.2 amd64 default 20160608_17:50
alpine 3.2 i386 default 20160608_17:50
alpine 3.3 amd64 default 20160608_17:50
alpine 3.3 i386 default 20160608_17:50
alpine edge amd64 default 20160608_17:50
alpine edge i386 default 20160608_17:50
centos 6 amd64 default 20160609_02:16
centos 6 i386 default 20160609_02:16
centos 7 amd64 default 20160609_02:16
debian jessie amd64 default 20160608_22:42
debian jessie arm64 default 20160609_02:38
debian jessie armel default 20160608_22:42
debian jessie armhf default 20160608_22:42
debian jessie i386 default 20160608_22:42
debian jessie powerpc default 20160608_22:42
debian jessie ppc64el default 20160608_22:42
debian jessie s390x default 20160608_22:42
debian sid amd64 default 20160608_22:42
debian sid arm64 default 20160608_22:42
debian sid armel default 20160608_22:42
debian sid armhf default 20160608_22:42
debian sid i386 default 20160608_22:42
debian sid powerpc default 20160608_22:42
debian sid ppc64el default 20160608_22:42
debian sid s390x default 20160608_22:42
debian stretch amd64 default 20160608_22:42
debian stretch arm64 default 20160608_22:42
debian stretch armel default 20160608_22:42
debian stretch armhf default 20160608_22:42
debian stretch i386 default 20160608_22:42
debian stretch powerpc default 20160608_22:42
debian stretch ppc64el default 20160608_22:42
debian stretch s390x default 20160608_22:42
debian wheezy amd64 default 20160608_22:42
debian wheezy armel default 20160608_22:42
debian wheezy armhf default 20160608_22:42
debian wheezy i386 default 20160608_22:42
debian wheezy powerpc default 20160609_02:38
debian wheezy s390x default 20160608_22:42
fedora 22 amd64 default 20160609_01:27
fedora 22 armhf default 20160112_01:27
fedora 22 i386 default 20160609_01:27
fedora 23 amd64 default 20160609_01:27
fedora 23 i386 default 20160609_01:27
gentoo current amd64 default 20160608_14:12
gentoo current i386 default 20160608_14:12
opensuse 13.2 amd64 default 20160609_00:53
oracle 6 amd64 default 20160609_11:40
oracle 6 i386 default 20160609_11:40
oracle 7 amd64 default 20160609_11:40
plamo 5.x amd64 default 20160608_21:36
plamo 5.x i386 default 20160608_21:36
plamo 6.x amd64 default 20160608_21:36
plamo 6.x i386 default 20160608_21:36
ubuntu precise amd64 default 20160609_03:49
ubuntu precise armel default 20160609_03:49
ubuntu precise armhf default 20160609_03:49
ubuntu precise i386 default 20160609_03:49
ubuntu precise powerpc default 20160609_03:49
ubuntu trusty amd64 default 20160609_03:49
ubuntu trusty arm64 default 20160609_03:49
ubuntu trusty armhf default 20160609_03:49
ubuntu trusty i386 default 20160609_03:49
ubuntu trusty powerpc default 20160609_03:49
ubuntu trusty ppc64el default 20160609_03:49
ubuntu wily amd64 default 20160609_03:49
ubuntu wily arm64 default 20160609_03:49
ubuntu wily armhf default 20160609_03:49
ubuntu wily i386 default 20160609_03:49
ubuntu wily powerpc default 20160609_03:49
ubuntu wily ppc64el default 20160609_07:06
ubuntu xenial amd64 default 20160609_03:49
ubuntu xenial arm64 default 20160609_07:06
ubuntu xenial armhf default 20160609_03:49
ubuntu xenial i386 default 20160609_03:49
ubuntu xenial powerpc default 20160609_03:49
ubuntu xenial ppc64el default 20160609_03:49
ubuntu xenial s390x default 20160609_03:49
ubuntu yakkety amd64 default 20160609_03:49
ubuntu yakkety arm64 default 20160609_03:49
ubuntu yakkety armhf default 20160609_03:49
ubuntu yakkety i386 default 20160609_03:49
ubuntu yakkety powerpc default 20160609_03:49
ubuntu yakkety ppc64el default 20160609_03:49
ubuntu yakkety s390x default 20160609_03:49
---
Distribution: ubuntu
Release: xenial
Architecture: amd64
Downloading the image index
Downloading the rootfs
Downloading the metadata
The image cache is now ready
Unpacking the rootfs
---
You just created an Ubuntu container (release=xenial, arch=amd64,
variant=default)
To enable sshd, run: apt-get install openssh-server
For security reason, container images ship without user accounts
and without a root password.
Use lxc-attach or chroot directly into the rootfs to set a root password
or create user accounts.
root@davecorelaptop:~# lxc-start -d -n test
root@davecorelaptop:~# lxc-attach -n test
root@test:/# shutdown -r +5
Failed to connect to bus: No such file or directory
Failed to connect to bus: No such file or directory
I cleared my /var/cache/lxc before doing these 2 tests. The tests were
done around 11:00 AM Eastern time on June 9 2016.
Note that a "shutdown -r now" works properly. The problem happens only
when I specify minutes.
And also note that installing the dbus package also fixes the issue.
** Affects: lxc (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1590838
Title:
shutdown -r +<number> does not work without dbus in xenial LXC
container
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