[Bug 1700677] Re: nova-api conflicts with nova-placement-api in newton on xenial

[Lars Erik Pedersen]

This bug is still valid in the 14.0.7 release of nova

root at controller01.skylow:~# apt-cache depends nova-placement-api
nova-placement-api
  Depends: nova-common
  Depends: init-system-helpers
  Depends: lsb-base
  Depends: <python:any>
    python:i386
    python
  Conflicts: nova-api

root at controller01.skylow:~# apt-cache policy nova-placement-api
nova-placement-api:
  Installed: (none)
  Candidate: 2:14.0.7-0ubuntu1~cloud0
  Version table:
     2:14.0.7-0ubuntu1~cloud0 500
        500 http://ubuntu-cloud.archive.canonical.com/ubuntu xenial-updates/newton/main amd64 Packages
        500 http://ubuntu-cloud.archive.canonical.com/ubuntu xenial-updates/newton/main i386 Packages
        100 /var/lib/dpkg/status

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https://bugs.launchpad.net/bugs/1700677

Title:
  nova-api conflicts with nova-placement-api in newton on xenial

Status in Ubuntu Cloud Archive:
  Fix Released
Status in Ubuntu Cloud Archive newton series:
  Triaged
Status in nova package in Ubuntu:
  Fix Released
Status in nova source package in Yakkety:
  Triaged

Bug description:
  [Impact]
  Upgraders using the consolidated nova-api binary are unable to install and configure the nova-placement-api prior to upgrade to Ocata; this results in a short period where instances creation will be broken (until the placement-api is configured and running).

  [Test Case]
  sudo apt install nova-api nova-placement-api
  <conflict prevents installation>

  [Regression Potential]
  Low; change simply drops the Conflict stanza for nova-placement-api

  [Original Bug Report]
  While attempting to prepare for upgrade to ocata, I ran into an apt conflict between nova-api and nova-placement-api.

  ======================================
  Package: nova-placement-api
  Version: 2:14.0.5-0ubuntu1~cloud0
  Priority: extra
  Section: net
  Source: nova
  Maintainer: Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>
  Original-Maintainer: Openstack Maintainers
  <openstack at lists.launchpad.net>
  Installed-Size: 56.3 kB
  Depends: nova-common (= 2:14.0.5-0ubuntu1~cloud0), init-system-helpers
  (>= 1.18~), lsb-base (>= 4.1+Debian11ubuntu7), python:any (>= 2.7~)
  Conflicts: nova-api
  Download-Size: 6,062 B
  APT-Sources: http://ubuntu-cloud.archive.canonical.com/ubuntu
  xenial-updates/newton/main amd64 Packages
  Description: OpenStack Compute - placement API frontend
  =====================================

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: nova-placement-api 2:14.0.5-0ubuntu1~cloud0 [origin: Canonical]
  ProcVersionSignature: Ubuntu 4.4.0-79.100-generic 4.4.67
  Uname: Linux 4.4.0-79-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.6
  Architecture: amd64
  CrashDB:
   {
                  "impl": "launchpad",
                  "project": "cloud-archive",
                  "bug_pattern_url": "http://people.canonical.com/~ubuntu-archive/bugpatterns/bugpatterns.xml",
               }
  Date: Mon Jun 26 21:50:53 2017
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: nova
  UpgradeStatus: No upgrade log present (probably fresh install)

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