[Bug 1828293] Re: [Queens -> Rocky Upgrade] python3-neutron-fwaas-dashboard installation: trying to overwrite '/etc/openstack-dashboard/neutron-fwaas-policy.json', which is also in package python-neutron-fwaas-dashboard

Wed Jul 3 14:24:09 UTC 2019

Successfully tested for cosmic-proposed and disco-proposed:

root at c1:~# apt policy python3-neutron-fwaas-dashboard                                                                                                                                                      
python3-neutron-fwaas-dashboard:
  Installed: (none)
  Candidate: 1.5.0-0ubuntu3.1
  Version table:
     1.5.0-0ubuntu3.1 500
        500 http://archive.ubuntu.com/ubuntu cosmic-proposed/universe amd64 Packages
     1.5.0-0ubuntu3 500
        500 http://archive.ubuntu.com/ubuntu cosmic/universe amd64 Packages
root at c1:~# sudo apt install --yes python3-neutron-fwaas-dashboard
...
root at c1:~# apt policy python3-neutron-fwaas-dashboard
python3-neutron-fwaas-dashboard:
  Installed: 1.5.0-0ubuntu3.1
  Candidate: 1.5.0-0ubuntu3.1
  Version table:
 *** 1.5.0-0ubuntu3.1 500
        500 http://archive.ubuntu.com/ubuntu cosmic-proposed/universe amd64 Packages
        100 /var/lib/dpkg/status
     1.5.0-0ubuntu3 500
        500 http://archive.ubuntu.com/ubuntu cosmic/universe amd64 Packages

python3-neutron-fwaas-dashboard:
  Installed: (none)
  Candidate: 2.0.1-0ubuntu1.1
  Version table:
     2.0.1-0ubuntu1.1 500
        500 http://archive.ubuntu.com/ubuntu disco-proposed/universe amd64 Packages
     2.0.1-0ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu disco/universe amd64 Packages
root at d2:~# sudo apt install --yes python3-neutron-fwaas-dashboard
...
root at d2:~# apt policy python3-neutron-fwaas-dashboard:
python3-neutron-fwaas-dashboard:
  Installed: 2.0.1-0ubuntu1.1
  Candidate: 2.0.1-0ubuntu1.1
  Version table:
 *** 2.0.1-0ubuntu1.1 500
        500 http://archive.ubuntu.com/ubuntu disco-proposed/universe amd64 Packages
        100 /var/lib/dpkg/status
     2.0.1-0ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu disco/universe amd64 Packages

** Tags removed: verification-needed-cosmic verification-needed-disco
** Tags added: verification-done-cosmic verification-done-disco

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https://bugs.launchpad.net/bugs/1828293

Title:
  [Queens -> Rocky Upgrade] python3-neutron-fwaas-dashboard
  installation: trying to overwrite '/etc/openstack-dashboard/neutron-
  fwaas-policy.json', which is also in package python-neutron-fwaas-
  dashboard

Status in OpenStack openstack-dashboard charm:
  Triaged
Status in Ubuntu Cloud Archive:
  Fix Committed
Status in Ubuntu Cloud Archive rocky series:
  Fix Committed
Status in Ubuntu Cloud Archive stein series:
  Fix Committed
Status in neutron-fwaas-dashboard package in Ubuntu:
  Fix Released
Status in neutron-fwaas-dashboard source package in Cosmic:
  Fix Committed
Status in neutron-fwaas-dashboard source package in Disco:
  Fix Committed
Status in neutron-fwaas-dashboard source package in Eoan:
  Fix Released

Bug description:
  [Impact]
  The upgrade process from Queens to Rocky fails due to a failure to override a policy file:
  https://paste.ubuntu.com/p/tH4qrvP7mS/

  The issue causes an upgrade action to exit prematurely which leaves
  the dashboard in a broken state as the keystone v3 policy json file is
  not rendered.

  KEYSTONEV3_POLICY = ('/usr/share/openstack-dashboard/openstack_dashboard/conf/'
                       'keystonev3_policy.json')

  This is reproducible without charms by simply doing the following:

  lxc launch ubuntu:bionic neutrontest
  Creating neutrontest
  Starting neutrontest

  lxc exec neutrontest bash
  root at neutrontest:~# apt update
  root at neutrontest:~# apt install python-neutron-fwaas-dashboard
  # ... https://paste.ubuntu.com/p/RMKbNH5DbB/

  root at neutrontest:~# add-apt-repository cloud-archive:rocky
  root at neutrontest:~# python3-neutron-fwaas-dashboard
  https://paste.ubuntu.com/p/4Fq9MvpP9p/

  Unpacking python3-neutron-fwaas-dashboard (1.5.0-0ubuntu3~cloud0) ...
  dpkg: error processing archive /tmp/apt-dpkg-install-R0ZsZb/111-python3-neutron-fwaas-dashboard_1.5.0-0ubuntu3~cloud0_all.deb (--unpack):
   trying to overwrite '/etc/openstack-dashboard/neutron-fwaas-policy.json', which is also in package python-neutron-fwaas-dashboard 1.3.0-0ubuntu1.1

  The same issue in an output of execution of a charm action (19.04):

  2019-05-08 14:38:12 DEBUG openstack-upgrade  /tmp/apt-dpkg-install-3M5oD6/099-python3-neutron-fwaas-dashboard_1.5.0-0ubuntu3~cloud0_all.deb
  2019-05-08 14:38:14 DEBUG openstack-upgrade E: Sub-process /usr/bin/dpkg returned an error code (1)
  2019-05-08 14:38:14 INFO juju-log Couldn't acquire DPKG lock. Will retry in 10 seconds
  2019-05-08 14:38:24 DEBUG openstack-upgrade Reading package lists...
  2019-05-08 14:38:24 DEBUG openstack-upgrade Building dependency tree...
  2019-05-08 14:38:24 DEBUG openstack-upgrade Reading state information...
  2019-05-08 14:38:24 DEBUG openstack-upgrade libapache2-mod-wsgi-py3 is already the newest version (4.5.17-1).
  2019-05-08 14:38:24 DEBUG openstack-upgrade python3-pymysql is already the newest version (0.8.0-1).
  2019-05-08 14:38:24 DEBUG openstack-upgrade haproxy is already the newest version (1.8.8-1ubuntu0.4).
  2019-05-08 14:38:24 DEBUG openstack-upgrade memcached is already the newest version (1.5.6-0ubuntu1.1).
  2019-05-08 14:38:24 DEBUG openstack-upgrade python3-memcache is already the newest version (1.57-2ubuntu0.18.04.1).
  2019-05-08 14:38:24 DEBUG openstack-upgrade openstack-dashboard is already the newest version (3:14.0.2-0ubuntu2~cloud0).
  2019-05-08 14:38:24 DEBUG openstack-upgrade openstack-dashboard-ubuntu-theme is already the newest version (3:14.0.2-0ubuntu2~cloud0).
  2019-05-08 14:38:24 DEBUG openstack-upgrade python3-designate-dashboard is already the newest version (7.0.0-0ubuntu1~cloud0).
  2019-05-08 14:38:24 DEBUG openstack-upgrade python3-django-horizon is already the newest version (3:14.0.2-0ubuntu2~cloud0).
  2019-05-08 14:38:24 DEBUG openstack-upgrade python3-heat-dashboard is already the newest version (1.4.0-0ubuntu1~cloud0).
  2019-05-08 14:38:24 DEBUG openstack-upgrade python3-keystoneclient is already the newest version (1:3.17.0-0ubuntu1~cloud0).
  2019-05-08 14:38:24 DEBUG openstack-upgrade python3-neutron-lbaas-dashboard is already the newest version (5.0.0-0ubuntu1~cloud0).
  2019-05-08 14:38:24 DEBUG openstack-upgrade python3-novaclient is already the newest version (2:11.0.0-0ubuntu1~cloud0).
  2019-05-08 14:38:24 DEBUG openstack-upgrade The following packages were automatically installed and are no longer required:
  2019-05-08 14:38:24 DEBUG openstack-upgrade   python-pika-pool python-positional python-retrying
  2019-05-08 14:38:24 DEBUG openstack-upgrade Use 'apt autoremove' to remove them.
  2019-05-08 14:38:24 DEBUG openstack-upgrade The following NEW packages will be installed:
  2019-05-08 14:38:24 DEBUG openstack-upgrade   python3-neutron-fwaas-dashboard
  2019-05-08 14:38:25 DEBUG openstack-upgrade 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
  2019-05-08 14:38:25 DEBUG openstack-upgrade 109 not fully installed or removed.
  2019-05-08 14:38:25 DEBUG openstack-upgrade Need to get 0 B/55.6 kB of archives.
  2019-05-08 14:38:25 DEBUG openstack-upgrade After this operation, 630 kB of additional disk space will be used.
  (Reading database ... 81446 files and directories currently installed.)
  2019-05-08 14:38:25 DEBUG openstack-upgrade Preparing to unpack .../python3-neutron-fwaas-dashboard_1.5.0-0ubuntu3~cloud0_all.deb ...
  2019-05-08 14:38:25 DEBUG openstack-upgrade Unpacking python3-neutron-fwaas-dashboard (1.5.0-0ubuntu3~cloud0) ...
  2019-05-08 14:38:25 DEBUG openstack-upgrade dpkg: error processing archive /var/cache/apt/archives/python3-neutron-fwaas-dashboard_1.5.0-0ubuntu3~cloud0_all.deb (--unpack):
  2019-05-08 14:38:25 DEBUG openstack-upgrade  trying to overwrite '/etc/openstack-dashboard/neutron-fwaas-policy.json', which is also in package python-neutron-fwaas-dashboard 1.3.0-0ubuntu1.1
  2019-05-08 14:38:25 DEBUG openstack-upgrade Errors were encountered while processing:
  2019-05-08 14:38:25 DEBUG openstack-upgrade  /var/cache/apt/archives/python3-neutron-fwaas-dashboard_1.5.0-0ubuntu3~cloud0_all.deb
  2019-05-08 14:38:27 DEBUG openstack-upgrade E: Sub-process /usr/bin/dpkg returned an error code (1)
  2019-05-08 14:38:27 INFO juju-log Couldn't acquire DPKG lock. Will retry in 10 seconds

  [Test Case]
  # apt update
  # apt install python-neutron-fwaas-dashboard
  # add-apt-repository cloud-archive:rocky
  # apt dist-upgrade
  # apt install python3-neutron-fwaas-dashboard

  [Regression Potential]
  Regression potential is low. The fix is just adding a breaks/replaces to python3-neutron-fwaas-dashboard to ensure python-neutron-fwaas-dashboard is removed when python3-neutron-fwaas-dashboard is installed.

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