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[Launchpad Bug Tracker <1592149@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package curtin - 0.1.0~bzr399-0ubuntu1~14.04.1

---------------
curtin (0.1.0~bzr399-0ubuntu1~14.04.1) trusty-proposed; urgency=medium

  * SRU current curtin
    - curtin/net: fix inet value for subnets, don't add interface attributes
      to alias (LP: #1588547)
    - improve net-meta network configuration (LP: #1592149)
    - reporting: set webhook handler level to DEBUG, no filtering
      (LP: #1590846)
    - tests/vmtests: add yakkety, remove vivid
    - curtin/net: use post-up for interface alias, resolve 120 second time out
      on Trusty when using interface aliases
    - vmtest: provide info on images used
    - fix multipath configuration and add multipath tests (LP: #1551937)
    - tools/launch and tools/xkvm: whitespace cleanup and bash -x
    - tools/launch: boot by root=LABEL=cloudimg-rootfs
    - Initial vmtest power8 support and TestSimple test.

curtin (0.1.0~bzr389-0ubuntu1~14.04.1) trusty-proposed; urgency=medium

  * New upstream snapshot.
    * Detect and remove legacy /etc/network/interfaces.d/eth0.cfg from
      target (LP: #1577872)

curtin (0.1.0~bzr387-0ubuntu1~14.04.1) trusty-proposed; urgency=medium

  * sru current curtin (LP: #1577872)
  * debian/new-upstream-snapshot, debian/README.source: add
    new-upstream-snapshot and mention it in README.source
  * debian/control: drop python from curtin-common Depends.
     remove unnecessary Depends on util-linux as it is essential.
     python3-curtin, python-curtin: drop unnecessary 'curl' from Depends.
     python3-curtin, python-curtin: list oauthlib and yaml Depends
  * debian/control: add bcache-tools to curtin Depends.
  * New upstream snapshot.
    - fix timestamp not being updated in reported events
    - mdadm: resolve mdadm/bcache and trusty+hwe issues
    - fix support for 4k disks
    - emit source /etc/network/interfaces.d/*.cfg in
      rendered /etc/network/interfaces
    - net: introduce 'control' field to network configuration to allow
      for declaring manual controlled interfaces
    - disable cloud-init networking as curtin is the source of network config
    - block: wipe_volume improvements
    - reporter: enhance reporting events to include levels and
      improve usefullness of messages
    - network: add bonding tests and cleanup newline rendering
    - block: fix partition path issue with nvme devices
    - fix logic error in kernel installation
    - block: add debug regarding raid modules being missing on mdadm create
    - add s390x support to curtin and vmtest
    - support build on xenial where python3 pyflakes is split out
    - fix uefi install path on nvme devices
    - numerous unit tests and vmtests improvements. Add running
      of pylint for static checking.
    - Add bond parsing & improved source, source-directory parsing
      of /etc/network/interfaces.
    - move global dns-* options under auto lo in /etc/network/interfaces
    - partitioning: limited support for odd ordering of partition numbers
    - change use of mkfs.fat to mkfs.vfat and add dependency.
    - block-meta: use removable devices if no non-removable devices are
      found [Robert Clark]
    - Improve 'curtin mkfs' and move mkfs logic to block.mkfs fixes
      using btrfs on precise and trusty.
    - fix failures caused by systems with invalid system_clock
    - support bcache installation on precise
    - fix bug in install_grub to partition when storage_config provided
      fixing lvm installation on power8
    - block_meta: handle 'preserve' flag for raid devices
    - close file descriptors from --config= arguments
    - xenial: disable update-motd during an apt-get update
    - subp: add decode parameter, defaulting to replace.
      this fixes errors when output of a command had non-utf chars
    - support passing an integer or valid float to human2bytes
    - Use /proc/mounts to find missing mountpoints rather than relying
      entirely on lsblk as lsblk differs widely between ubuntu releases.
    - support extracting tar files compressed with xz or bzip or
      uncompressed. Previously required gzip compression.
    - Improve dependency checking and installation
      this fixes curtin running on precise and installing dependencies
      it needs.
    - Reduce chance udev race with mdadm opening /dev/mdX
    - Allow re-use of bcache cache devices with separate backing devices
    - invoke mkfs.ext3 or mkfs.ext4 with -F to fix issues found if
      target device had a filesystem already present.
    - Partition alignment and sizing fixes
    - Set bcache cache_mode if present in storage config
    - when apt-get update is called during installation, do not download
      translation files and source files, reducing chances for mismatch.
    - add system-install sub command. 'curtin system-install pastebinit'
      will install packages in a way guaranteed to not prompt.
    - add 'system-upgrade' command and config to easily update the
      system after installation before reboot.
    - fix reporting of FAIL when a subcommand used sys.exit(0)
    - grub-install: if fail to find mounted uefi partition, give more
      debug output
    - network config: add support for dns-search key in subnet and search
      in nameserver
    - Ensure required networking packages are installed in the target.
    - stop grub from going into graphical/vga mode on installed systems
    - curthooks: support specifying kernel/package without mapping
    - ChrootableTarget: do not attempt to change resolv.conf if
      there is no /etc directory
    - list the set of features that curtin has for library users.
      users can now check the FEATURES list for a specific feature.
    - fix bug in argument parsing --set mykey=foo=bar
    - in-target: add '--capture' to in-target and special case target=/
    - support declaring json in --set argument via --set=json:...
    - add reporting function to allow calling a webhook endpoint
      with status of curtin install.
    - Allow partprobe to return 1, which is expected when no partition table
      exists
    - support storage config providing /dev/disk/by-dname links
    - enable setting of verbosity and showtrace via config file
    - drop python-parted dependency
    - swap: use fallocate if possible for much faster swap file creation
    - support network-config, where networking configuration is declared
      in curtin config that will be applied to the host.
    - support storage-config, allowing curtin to install and use many
      different storage configurations (LVM, bcache, btrfs...)

 -- Scott Moser <smoser@xxxxxxxxxx>  Tue, 19 Jul 2016 15:03:33 -0400

** Changed in: curtin (Ubuntu Trusty)
       Status: Fix Committed => Fix Released

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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1592149

Title:
  simple networking mode (net-meta) does not account for device names

Status in curtin:
  Fix Committed
Status in curtin package in Ubuntu:
  Fix Released
Status in curtin source package in Trusty:
  Fix Released
Status in curtin source package in Xenial:
  Fix Released

Bug description:
  [Impact]

   * Users which do not use a customized network configuration rely
     on curtin's fallback/automatic configuration.  On Xenial and newer
     systems the network configuration that is generated doesn't always
     work due to the persistent nic names which do not match between
     initial install environment and booting the system after
     installation.

     This affects all curtin releases which use auto configure
     networking and an Ubuntu release which uses persistent network
     device nameing.
     
   * This SRU resolves the bug by ensuring auto configured networking
     includes nic naming rules to ensure the network device names match
     what is generated in the config.

  
  [Test Case]

   * On a Xenial 16.04 system
      - % apt-get install curtin
      - % OUTPUT_NETWORK_CONFIG=rendered-eni curtin net-meta -t /tmp auto

  
    FAIL: Systems with the error will print an interfaces file to stdout

    PASS: Systems with the fix with emit host networking config to the file
          "rendered-eni" and produces no output to stdout.

  
  [Regression Potential]

   * Users that use auto configuration may find that the persistent nic
     names in the target system are no longer ethN, but named based on
     location.

  
  [Original Description]
  I ran
   nosetests3 -v tests/vmtests/test_basic.py:XenialTestBasic
  and was seeing failures.

  That does an install without network config, so it relies on 'net-
  meta' of 'auto'.

  The install worked, but boot failed as networking was not configured.

  The issue is that the net-meta was writing /etc/network/interfaces
  file, but no udev rules or other mechanism to ensure that the device
  got the same name in the new environment.  That, coupled with a change
  in the commands between 'launch' and 'xkvm' meant that the install
  environment named the device 'ens3' and the installed environment
  'ens4'.

  I'll attach logs just for completeness.

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