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[Launchpad Bug Tracker <1640556@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package cloud-init - 0.7.8-49-g9e904bb-
0ubuntu1~16.04.1

---------------
cloud-init (0.7.8-49-g9e904bb-0ubuntu1~16.04.1) xenial-proposed; urgency=medium

  * debian/cloud-init.postinst: update /etc/fstab on Azure to fix
    future resize operations. (LP: #1611074)
  * New upstream snapshot.
    - Add activate_datasource, for datasource specific code paths.
      (LP: #1611074)
    - systemd: cloud-init-local use RequiresMountsFor=/var/lib/cloud
      (LP: #1642062)

cloud-init (0.7.8-47-gb6561a1-0ubuntu1~16.04.1) xenial-proposed;
urgency=medium

  * debian/cloud-init.templates: enable DigitalOcean by default [Ben Howard]
  * New upstream snapshot.
    - systemd/cloud-init-local.service:
      + replace 'Wants' and 'After' on local-fs.target with more granular
        After=systemd-remount-fs.service and RequiresMountsFor=/var/lib
        and Before=sysinit.target.
        This is done run sufficiently early enough to update /etc/fstab.
        (LP: #1611074)
      + add Before=NetworkManager.service so that cloud-init can render
        NetworkManager network config before it would apply them.
    - systemd/cloud-init.service:
      + add Before=sysinit.target and DefaultDependencies=no (LP: #1611074)
      + drop Requires=networking.service to work where networking.service is
        not needed.
      + add Conflicts=shutdown.target
      + drop unnecessary Wants=local-fs.target
    - net: support reading ipv6 dhcp config from initramfs [LaMont Jones]
      (LP: #1621615)
    - dmidecode: Allow dmidecode to be used on aarch64, and only attempt
      usage on x86, x86_64, and aarch64. [Robert Schweikert]
    - disk-config: udev settle after partitioning in gpt format.
      (LP: #1626243)
    - Add support for snap create-user on Ubuntu Core images. [Ryan Harper]
      (LP: #1619393)
    - Fix sshd restarts for rhel distros. [Jim Gorz]
    - Move user/group functions to new ug_util file [Joshua Harlow]
    - update Gentoo initscripts to run in the correct order [Matthew Thode]
    - MAAS: improve the debugging tool in datasource to consider
      config provided on kernel cmdline.
    - lxd: Update network config for LXD 2.3 [Stéphane Graber] (LP: #1640556)
    - Decode unicode types in decode_binary [Robert Schweikert]
    - Allow ephemeral drive to be unpartitioned [Paul Meyer]
    - subp: add 'update_env' argument which allows for more easily adding
      environment variables to a subprocess call.
    - Adjust mounts and disk configuration for systemd. (LP: #1611074)
    - DataSources:
      + Ec2: protect against non-dictionary in block-device-mapping.
      + AliYun: Add new datasource for Ali-Cloud ECS, that is
        available but not enabled by default [kaihuan.pkh]
      + DigitalOcean: use meta-data for network configuration and
        enable data source by default. [Ben Howard]
      + OpenNebula: replace parsing of 'ip' command with similar function
        available in cloudinit.net.  This fixed unit tests when running
        in environment with no networking.
    - doc changes:
      + Add documentation on stages of boot.
      + make the RST files consistently formated and other improvements.
      + fixed example to not overwrite /etc/hosts [Chris Glass]
      + fix spelling / typos in ca_certs and scripts_vendor.
      + improve HACKING.rst file
      + Add documentation for logging features. [Wesley Wiedenmeier]
      + Improve module documentation and doc cleanup. [Wesley Wiedenmeier]
    - code style and unit test changes:
      + pep8: fix style errors reported by pycodestyle 2.1.0
      + pyflakes: fix issue with pyflakes 1.3 found in ubuntu zesty-proposed.
      + Add coverage dependency to bddeb to fix package build.
      + Add coverage collection to tox unit tests. [Joshua Powers]
      + do not read system /etc/cloud/cloud.cfg.d (LP: #1635350)
      + tests: silence the Cheetah UserWarning about NameMapper C version.
      + Fix python2.6 things found running in centos 6.

 -- Scott Moser <smoser@xxxxxxxxxx>  Fri, 18 Nov 2016 16:51:54 -0500

** Changed in: cloud-init (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1640556

Title:
  support network configuration for lxd 2.3

Status in cloud-init:
  Fix Committed
Status in cloud-init package in Ubuntu:
  Fix Released
Status in cloud-init source package in Xenial:
  Fix Released

Bug description:
  === Begin SRU Template ===
  [Impact] 
  Support for lxd configuration of networking does not work with lxd 2.3+ as
  the current path for configuration in cloud-init uses debconf but newer
  lxd does not support configuration that way.

  Prior to LXD 2.3, the bridge configuration was done through distro
  packaging.  With 2.3 and higher, this is now done inside LXD itself, so we
  need to use "lxc network" with 2.3 and higher.

  All the old code has been thrown out so LXD 2.3 doesn't have any debconf
  templates and doesn't manage the lxd bridge itself. LXD 2.3 packaging does
  ship a script which will convert existing users in place, so folks
  upgrading shouldn't actually notice anything except that
  /etc/default/lxd-bridge will disappear and they'll need to use 
    "lxc network edit lxdbr0"
  to configure any extra thing.

  [Test Case]
   * Prepare an image with updated cloud-init from proposed.
   * start instance with user-data like:
     #cloud-config
     lxd:
       bridge:
         mode: new
         name: lxdbr1
         ipv4_address: 10.5.0.1
         ipv4_netmask: 24
         ipv4_nat: true

   * wait for system to boot, check that lxdbr1 is configured as expected.
     # ip addr show dev lxdbr1
     2: lxdbr1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
        UNKNOWN group default qlen 1000
      link/ether 2e:f8:cc:5f:57:81 brd ff:ff:ff:ff:ff:ff
      inet 10.5.0.1/24 scope global lxdbr1
         valid_lft forever preferred_lft forever
      inet6 fe80::2cf8:ccff:fe5f:5781/64 scope link 
         valid_lft forever preferred_lft forever

  [Regression Potential]
  New codepath is taken based on prsence of /etc/default/lxd-bridge.
  If that file was present and a newer version of lxd installed, then
  we would take the wrong path.

  [Other Info]
  The upstream MP that this was added under can be seen at
   https://code.launchpad.net/~stgraber/cloud-init/+git/cloud-init/+merge/307127

  === End SRU Template ===


  Added to trunk at https://code.launchpad.net/~stgraber/cloud-init/+git/cloud-init/+merge/307127
  cloud-init in xenial should be able to configure an lxd 2.3 network also.

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