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[Launchpad Bug Tracker <1724354@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package cloud-init - 17.1-25-g17a15f9e-
0ubuntu1~17.10.1

---------------
cloud-init (17.1-25-g17a15f9e-0ubuntu1~17.10.1) artful-proposed; urgency=medium

  * New upstream snapshot.
    - resizefs: Fix regression when system booted with root=PARTUUID=
      (LP: #1725067)
    - tools: make yum package installation more reliable
    - citest: fix remaining warnings raised by integration tests.
    - citest: show the class actual class name in results.
    - ntp: fix config module schema to allow empty ntp config
      (LP: #1724951)
    - tools: disable fastestmirror if using proxy [Joshua Powers]
    - schema: Log debug instead of warning when jsonschema is not available.
      (LP: #1724354)

 -- Chad Smith <chad.smith@xxxxxxxxxxxxx>  Mon, 23 Oct 2017 15:07:35
-0600

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

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https://bugs.launchpad.net/bugs/1724354

Title:
  WARNING in logs due to missing python-jsonschema

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

Bug description:
  === Begin SRU Template ===
  [Impact]
  If python3-jsonschema is not installed, then WARNING will be written
  to console log and to /var/log/cloud-init.log with certain cloud-config
  data is provided.

  python3-jsonschema is a soft dependency of cloud-init and specically
  not listed in 16.04 and 17.04 packaging as it was not a dependency in
  the versions of cloud-init originally released then.

  The WARNING is only "scary", and has no negative affect on runtime.

  [Test Case]
  The change for this bug modified the integration test suite so
  that WARN in /var/log/cloud-init would trigger a test failure.
  Running the integration testsuite would show this failure with
  that test now in place.

  A manual test can be done though as follows.

  $ cat > my.cfg <<EOF
  #cloud-config
  bootcmd:
    - "cat /proc/uptime > /run/bootcmd-works"
  runcmd:
    - "cat /proc/uptime > /run/runcmd-works"
  EOF

  $ for r in zesty xenial; do
     lxc init $r-proposed $r-info &&
     lxc-pstart $r-info \
       sh -c 'dpkg-query --show cloud-init; cat /etc/cloud/build.info' &&
       lxc delete --force $r-info; done

  # show container info just to show versions.
  $ for r in zesty xenial; do
     lxc init $r-proposed $r-info >/dev/null 2>&1 && echo == $r-info == &&
     lxc-pstart $r-info -- \
        sh -xc 'dpkg-query --show cloud-init; cat /etc/cloud/build.info' &&
     lxc delete --force $r-info; done

  ## launch an instance of each release and grab logs.
  $ for rel in xenial zesty; do
     n=$rel-1724354
     lxc launch $rel-proposed $n "--config=user.user-data=$(cat my.cfg)"
     lxc exec $n -- sh -c \
        'while ! [ -e /run/cloud-init/result.json ]; do echo -n .; sleep 1; done; echo'
     lxc file pull $n/var/log/cloud-init.log $n-cloud-init.log
  done

  # check that 1724354 is installed.
  $ grep "WARN" *-1724354-cloud-init.log

  [Regression Potential]
  Highest chance for regression would be in the integration test
  suite.  The only change in code path is in cloudinit/config/schema.py:
   - logging.warning(
   + logging.debug(

  [Other Info]
  Upstream commit at
    https://git.launchpad.net/cloud-init/commit/?id=41152f10ddb

  Note, this is not specifically in artful at this point, but also
  note that this bug does not affect artful.  Artful's package
  has a depends on python3-jsonschema, so it will not demonstrate
  the issue.

  === End SRU Template ===

  $ dpkg-query --show cloud-init
  cloud-init  17.1-18-gd4f70470-0ubuntu1~16.04.1

  $ sudo cat /var/lib/cloud/instance/user-data.txt
  #cloud-config
  bootcmd:
    - "cat /proc/uptime > /run/bootcmd-works"
  runcmd:
    - "cat /proc/uptime > /run/runcmd-works"

  $ grep WARN /var/log/cloud-init.log
  2017-10-17 19:08:10,509 - schema.py[WARNING]: Ignoring schema validation. python-jsonschema is not present
  2017-10-17 19:08:10,586 - schema.py[WARNING]: Ignoring schema validation. python-jsonschema is not present
  2017-10-17 19:08:14,651 - schema.py[WARNING]: Ignoring schema validation. python-jsonschema is not present

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