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[Launchpad Bug Tracker <1638931@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package cloud-init -
0.7.9-233-ge586fe35-0ubuntu1~17.04.1

---------------
cloud-init (0.7.9-233-ge586fe35-0ubuntu1~17.04.1) zesty; urgency=medium

  * debian/cloud-init.templates: enable Scaleway cloud.
  * debian/cloud-init.templates: enable Aliyun cloud.
  * drop the following cherry picks, now incorporated in snapshot.
    + debian/patches/cpick-5fb49bac-azure-identify-platform...
    + debian/patches/cpick-003c6678-net-remove-systemd-link...
    + debian/patches/cpick-1cd4323b-azure-remove-accidental...
    + debian/patches/cpick-ebc9ecbc-Azure-Add-network-config...
    + debian/patches/cpick-11121fe4-systemd-make-cloud-final...
  * debian/patches/stable-release-no-jsonschema-dep.patch:
    add patch to remove optional dependency on jsonschema.
  * New upstream snapshot.
    - cloudinit.net: add initialize_network_device function and tests
      [Chad Smith]
    - makefile: fix ci-deps-ubuntu target [Chad Smith]
    - tests: adjust locale integration test to parse default locale.
    - tests: remove 'yakkety' from releases as it is EOL.
    - centos: do not package systemd-fsck drop-in.
    - systemd: make systemd-fsck run after cloud-init.service (LP: #1691489)
    - tests: Add initial tests for EC2 and improve a docstring.
    - locale: Do not re-run locale-gen if provided locale is system default.
    - archlinux: fix set hostname usage of write_file. [Joshua Powers]
    - sysconfig: support subnet type of 'manual'.
    - tools/run-centos: make running with no argument show help.
    - Drop rand_str() usage in DNS redirection detection
      [Bob Aman] (LP: #1088611)
    - sysconfig: use MACADDR on bonds/bridges to configure mac_address
      [Ryan Harper]
    - net: eni route rendering missed ipv6 default route config
      [Ryan Harper] (LP: #1701097)
    - sysconfig: enable mtu set per subnet, including ipv6 mtu
      [Ryan Harper]
    - sysconfig: handle manual type subnets [Ryan Harper]
    - sysconfig: fix ipv6 gateway routes [Ryan Harper]
    - sysconfig: fix rendering of bond, bridge and vlan types.
      [Ryan Harper]
    - Templatize systemd unit files for cross distro deltas. [Ryan Harper]
    - sysconfig: ipv6 and default gateway fixes. [Ryan Harper]
    - net: fix renaming of nics to support mac addresses written in upper
      case. (LP: #1705147)
    - tests: fixes for issues uncovered when moving to python 3.6.
    - sysconfig: include GATEWAY value if set in subnet
      [Ryan Harper]
    - Scaleway: add datasource with user and vendor data for Scaleway.
      [Julien Castets]
    - Support comments in content read by load_shell_content.
    - cloudinitlocal fail to run during boot [Hongjiang Zhang]
    - doc: fix disk setup example table_type options [Sandor Zeestraten]
    - tools: Fix exception handling. [Joonas Kylmälä]
    - tests: fix usage of mock in GCE test.
    - test_gce: Fix invalid mock of platform_reports_gce to return False
      [Chad Smith]
    - test: fix incorrect keyid for apt repository.  [Joshua Powers]
    - tests: Update version of pylxd [Joshua Powers]
    - write_files: Remove log from helper function signatures.
      [Andrew Jorgensen]
    - doc: document the cmdline options to NoCloud [Brian Candler]
    - read_dmi_data: always return None when inside a container. (LP: #1701325)
    - requirements.txt: remove trailing white space.
    - Tests: Simplify the check on ssh-import-id [Joshua Powers]
    - tests: update ntp tests after sntp added [Joshua Powers]
    - FreeBSD: Make freebsd a variant, fix unittests and
      tools/build-on-freebsd.
    - FreeBSD: fix test failure
    - FreeBSD: replace ifdown/ifup with "ifconfig down" and "ifconfig up".
      [Hongjiang Zhang]
    - FreeBSD: fix cdrom mounting failure if /mnt/cdrom/secure did not exist.
      [Hongjiang Zhang]
    - main: Don't use templater to format the welcome message
      [Andrew Jorgensen]
    - docs: Automatically generate module docs form schema if present.
      [Chad Smith]
    - debian: fix path comment in /etc/hosts template. [Jens Sandmann]
    - suse: add hostname and fully qualified domain to template.
      [Jens Sandmann]
    - write_file(s): Print permissions as octal, not decimal [Andrew Jorgensen]
    - ci deps: Add --test-distro to read-dependencies to install all deps
      [Chad Smith]
    - tools/run-centos: cleanups and move to using read-dependencies
    - pkg build ci: Add make ci-deps-<distro> target to install pkgs
      [Chad Smith]
    - selinux: Allow restorecon to be non-fatal. [Ryan Harper]
    - net: Allow netinfo subprocesses to return 0 or 1 due to selinux.
      [Ryan Harper]
    - net: Allow for NetworkManager configuration [Ryan McCabe]
    - Use distro release version to determine if we use systemd in redhat spec
      [Ryan Harper]
    - net: normalize data in network_state object
    - Integration Testing: tox env, pyxld 2.2.3, and revamp framework
      [Wesley Wiedenmeier]
    - Chef: Update omnibus url to chef.io, minor doc changes. [JJ Asghar]
    - tools: add centos scripts to build and test [Joshua Powers]
    - Drop cheetah python module as it is not needed by trunk [Ryan Harper]
    - rhel/centos spec cleanups.
    - cloud.cfg: move to a template.  setup.py changes along the way.
    - Makefile: add deb-src and srpm targets. use PYVER more places.
    - makefile: fix python 2/3 detection in the Makefile [Chad Smith]
    - snap: Removing snapcraft plug line [Joshua Powers]
    - RHEL/CentOS: Fix default routes for IPv4/IPv6 configuration.
      [Andreas Karis]
    - test: Fix pyflakes complaint of unused import. [Joshua Powers]
    - NoCloud: support seed of nocloud from smbios information
      [Vladimir Pouzanov] (LP: #1691772)
    - net: when selecting a network device, use natural sort order
      [Marc-Aurèle Brothier]
    - fix typos and remove whitespace in various docs [Stephan Telling]
    - systemd: Fix typo in comment in cloud-init.target. [Chen-Han Hsiao]
    - Tests: Skip jsonschema related unit tests when dependency is absent.
      [Chad Smith]
    - tools/net-convert.py: support old cloudinit versions by using kwargs.
    - ntp: Add schema definition and passive schema validation.
      [Chad Smith] (LP: #1692916)
    - Fix eni rendering for bridge params that require repeated key for
      values. [Ryan Harper] (LP: #1706752)
    - AliYun: Enable platform identification and enable by default.
      [Junjie Wang] (LP: #1638931)

 -- Scott Moser <smoser@xxxxxxxxxx>  Mon, 31 Jul 2017 16:33:24 -0400

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

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https://bugs.launchpad.net/bugs/1638931

Title:
  enable AliYun datasource by default

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

Bug description:
  === Begin SRU Template ===
  [Impact]
  Ubuntu cloud-images do not identify the Aliyun cloud platform.
  Until this change was put in place, they would fail to boot and consume
  user-data or metadata there.

  With the change in place, an official Ubuntu image from
  http://cloud-images.ubuntu.com will work properly on Aliyun.

  [Test Case]
  The ideal test case is:
  a.) download a cloud image, update its cloud-init
      The tool 'get-proposed-cloudimg' [1] can be used to do this.

      [1] https://git.launchpad.net/~smoser/cloud-init/+git/sru-
  info/tree/bin/get-proposed-cloudimg

  b.) publish that image to Aliyun cloud
  c.) boot an instance from that image.
  d.) verify function by ssh in verifying /run/cloud-init/result.json shows
      that aliyun datasource was used.

  Ideally post /var/log/cloud-init.log as an attachment to this bug.

  [Regression Potential]
  Generally small chance for regression, but a regression would most likely
  be seen as an attempt to hit the metadata service at the well known end point
  http://100.100.100.200.

  This should be fairly well confined as attempts to use the Aliyun datasource
  are gated by '_is_aliyun_' which does verifies that the dmi product name is
  "Alibaba Cloud ECS"

  [Other Info]
  Upstream commit at
    https://git.launchpad.net/cloud-init/commit/?id=4a60af5495

  === End SRU Template ===

  
  As discussed at [1], the addition of AliYun datasource did not enable it by default.
  This is because it has no definitive check before polling the network for data.

  Lawrence suggested he has a solution for this:
   | in our cloud platform, an instance vm could use an asm
   | instructions `cpuid` (with eax setted to 0x40000100 ), it will
   | returned our platform id keyword "AliYun" into register ebx and ecx,
   | and if vm is not running on our environment, the value is others. so I
   | guess this is a method to identify our platform ?

  --
  [1] https://code.launchpad.net/~smoser/cloud-init/+git/cloud-init/+merge/309614

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