apparmor is uninstalled when deploying icehouse nova-compute on Precise

[Louis Bouchard]

When doing juju deploy nova-compute for icehouse with the latest charm on Ubuntu Precise, the apparmor package is uninstalled.

Procedure to reproduce :
$ juju switch local
$ juju get-env | grep serie
default-series: precise
$ juju bootstrap
$ bzr branch lp:charms/nova-compute
$ juju deploy --repository=. local:nova-compute

[Louis Bouchard (louis)]

Information from the Precise deployed node :

# apt-cache policy libvirt-bin
libvirt-bin:
  Installed: 1.2.2-0ubuntu13.1.6~cloud0
  Candidate: 1.2.2-0ubuntu13.1.6~cloud0
  Version table:
 *** 1.2.2-0ubuntu13.1.6~cloud0 0
        500 http://ubuntu-cloud.archive.canonical.com/ubuntu/ precise-updates/icehouse/main amd64 Packages
        100 /var/lib/dpkg/status
     0.9.8-2ubuntu17.20 0
        500 http://archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages
     0.9.8-2ubuntu17 0
        500 http://archive.ubuntu.com/ubuntu/ precise/main amd64 Packages

# apt-cache policy apparmor
apparmor:
  Installed: (none)
  Candidate: 2.7.102-0ubuntu3.10
  Version table:
     2.7.102-0ubuntu3.10 0
        500 http://archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages
        100 /var/lib/dpkg/status
     2.7.102-0ubuntu3 0
        500 http://archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
# dpkg -l | grep apparmor
rc apparmor 2.7.102-0ubuntu3.10 User-space parser utility for AppArmor
ii libapparmor1 2.7.102-0ubuntu3.10 changehat AppArmor library

From /var/log/juju/unit-nova-compute-0.log :

2014-11-04 14:00:09 INFO install Reading package lists...
2014-11-04 14:00:09 INFO juju-log Installing ['nova-compute', 'genisoimage', 'nova-compute-kvm'] with options: ['--option=Dpkg::Options::=--force-confold']
2014-11-04 14:00:09 INFO install Reading package lists...
2014-11-04 14:00:09 INFO install Building dependency tree...
2014-11-04 14:00:09 INFO install Reading state information...
2014-11-04 14:00:10 INFO install The following extra packages will be installed:
...
2014-11-04 14:00:10 INFO install mailx
2014-11-04 14:00:10 INFO install The following packages will be REMOVED:
2014-11-04 14:00:10 INFO install apparmor
2014-11-04 14:00:10 INFO install The following NEW packages will be installed:

[Jamie Strandboge (jdstrand)]

Seems like 1.2.2-0ubuntu13.1.6~cloud0 needs to adjust its Depends.

[Louis Bouchard (louis)]

Same test on Trusty. apparmor stays installed.

$ apt-cache policy libvirt-bin
libvirt-bin:
  Installed: 1.2.2-0ubuntu13.1.6
  Candidate: 1.2.2-0ubuntu13.1.6
  Version table:
 *** 1.2.2-0ubuntu13.1.6 0
        500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     1.2.2-0ubuntu13.1.6~cloud0 0
        500 http://ubuntu-cloud.archive.canonical.com/ubuntu/ precise-updates/icehouse/main amd64 Packages
     1.2.2-0ubuntu13.1.5 0
        500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
     1.2.2-0ubuntu13 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages

$ apt-cache policy apparmor
apparmor:
  Installed: 2.8.95~2430-0ubuntu5
  Candidate: 2.8.95~2430-0ubuntu5
  Version table:
 *** 2.8.95~2430-0ubuntu5 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
        100 /var/lib/dpkg/status
$ dpkg -l | grep apparmor
ii apparmor 2.8.95~2430-0ubuntu5 amd64 User-space parser utility for AppArmor
ii libapparmor-perl 2.8.95~2430-0ubuntu5 amd64 AppArmor library Perl bindings
ii libapparmor1:amd64 2.8.95~2430-0ubuntu5 amd64 changehat AppArmor library

[Louis Bouchard (louis)]

Package: libvirt-bin
Architecture: any
Depends: ${shlibs:Depends}, ${misc:Depends},
 adduser,
 bridge-utils,
 cgroup-lite | cgroup-bin,
 dnsmasq-base (>= 2.46-1),
 dbus,
 gettext-base,
 iptables (>= 1.4.10),
 libvirt0 (= ${binary:Version}),
 logrotate,
 netcat-openbsd
Enhances: qemu, qemu-kvm, xen
Section: admin
Recommends:
 libxml2-utils,
 gawk,
 ebtables,
 dmidecode,
 iproute,
 parted,
 pm-utils
Suggests: policykit-1 (>= 0.105-3ubuntu3), apparmor, qemu-kvm | qemu (>= 0.9.1), radvd
Breaks: xen-utils-4.1, xen-utils-4.3
Conflicts: apparmor (<< 2.8.95~2430-0ubuntu4) <<< This should explain it