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[Scott Moser <smoser@xxxxxxxxxx>]

** Changed in: curtin (Ubuntu Wily)
       Status: Confirmed => Won't Fix

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https://bugs.launchpad.net/bugs/1577872

Title:
  [SRU] curtin in yakkety to supported releases

Status in curtin package in Ubuntu:
  Fix Released
Status in curtin source package in Trusty:
  Fix Committed
Status in curtin source package in Wily:
  Won't Fix
Status in curtin source package in Xenial:
  Fix Committed

Bug description:
  == Begin SRU Template ==
  [Impact]
  This update to curtin is required to support features of MAAS 1.9 that is being SRU'd to trusty and wily under bug 1509147.  There are also numerous bug fixes that affect the code path used with older maas as well.  See the changelog entry below for a full list.

  Changes to wily and xenial much more bug fix only.

  [Test Case]
  The test case is really MAAS 1.9 functionality.  The MAAS bug 1509147 should include methods for verifying this.

  For curtin's part, curtin now contains fairly extensive continuous integration test on trunk.
  Those results can be seen at https://server-team-jenkins.canonical.com/job/curtin-vmtest-venonat/ .

  [Regression Potential]
  The chance for regression here is most likely in using curtin with an older MAAS release.

  [Other Info]
  The version of curtin here is completely backwards compatible with previous versions of MAAS and previous versions of curtin.  Specifically a user could take curtin update without MAAS 1.9 SRU to trusty and be fine.

  There are dramatic changes to curtin between the version in 14.04 and
  what is being SRU'd.  This will no doubt be alarming to a user.
  However, there has been extensive work on improving curtin's test
  suite both in actual install tests in a VM and in uniti tests.

  == End SRU Template ==

  In order to support MAAS sru of 1.9 into trusty, we need a newer version of curtin.
  Below is the combined debian changelog.

    * 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.
      - Detect and remove legacy /etc/network/interfaces.d/eth0.cfg from
        target (LP: #1582410)
      - fix timestamp not being updated in reported events
      - mdadm: resolve mdadm/bcache and trusty+hwe issues (LP: #1569549, LP: #1514094)
      - fix support for 4k disks (LP: #1436632, LP: #1564977)
      - 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
  [Wily and Trusty < revno 365]
      - support build on xenial where python3 pyflakes is split out
        (LP: #1471928)
      - 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. (LP: #1536262)
      - move global dns-* options under auto lo in /etc/network/interfaces
      - partitioning: limited support for odd ordering of partition numbers
        (LP: #1543263)
      - change use of mkfs.fat to mkfs.vfat and add dependency.  (LP: #1539720)
      - block-meta: use removable devices if no non-removable devices are
        found [Robert Clark] (LP: #1532062)
      - 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 (LP: #1520400)
      - support bcache installation on precise (LP: #1449099)
      - fix bug in install_grub to partition when storage_config provided
        fixing lvm installation on power8 (LP: #1523779).
      - block_meta: handle 'preserve' flag for raid devices (LP: #1522147)
      - 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 (LP: #1514888)
        this fixes curtin running on precise and installing dependencies
        it needs.
      - Reduce chance udev race with mdadm opening /dev/mdX (LP: #1512857)
      - Allow re-use of bcache cache devices with separate backing devices
        (LP: #1514094)
      - 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 (LP: #1513085)
      - Set bcache cache_mode if present in storage config (LP: #1510334)
      - when apt-get update is called during installation, do not download
        translation files and source files, reducing chances for mismatch.
  [Trusty only < revno 276]
      - 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. (LP: #1481992)
      - 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.
        (LP: #1491994)
      - 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 (LP: #1488632).
      - support storage config providing /dev/disk/by-dname links
        (LP: #1487533, LP: #1477756)
      - enable setting of verbosity and showtrace via config file (LP: #1467673)
      - drop python-parted dependency (LP: #1483196, LP: #1477795)
      - swap: use fallocate if possible for much faster swap file creation
        (LP: #1482994)
      - 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...)

  Related Bugs:
   * bug 1509147:  [SRU] MAAS 1.9

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