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[Launchpad Bug Tracker <1701325@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package cloud-init -
0.7.9-199-g4d9f24f5-0ubuntu1

---------------
cloud-init (0.7.9-199-g4d9f24f5-0ubuntu1) artful; urgency=medium

  * New upstream snapshot.
    - read_dmi_data: always return None when inside a container. (LP: #1701325)
    - requirements.txt: remove trailing white space.

 -- Scott Moser <smoser@xxxxxxxxxx>  Thu, 29 Jun 2017 18:01:21 -0400

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

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https://bugs.launchpad.net/bugs/1701325

Title:
  attempt to read dmi data can cause warning and stacktrace in logs in a
  container.

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

Bug description:
  I launched an instance of artful.
  Looked in /var/log/cloud-init.log and saw:
  2017-06-29 16:00:15,222 - util.py[DEBUG]: Reading from /sys/class/dmi/id/product_serial (quiet=False)
  2017-06-29 16:00:15,222 - util.py[WARNING]: failed read of /sys/class/dmi/id/product_serial
  2017-06-29 16:00:15,223 - util.py[DEBUG]: failed read of /sys/class/dmi/id/product_serial
  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/cloudinit/util.py", line 2359, in _read_dmi_syspath
      key_data = load_file(dmi_key_path, decode=False)
    File "/usr/lib/python3/dist-packages/cloudinit/util.py", line 1283, in load_file
      with open(fname, 'rb') as ifh:
  PermissionError: [Errno 13] Permission denied: '/sys/class/dmi/id/product_serial'
  2017-06-29 16:00:15,225 - util.py[DEBUG]: Running command ['/usr/sbin/dmidecode', '--string', 'system-serial-number'] with allowed return codes [0] (shell=False, capture=True)
  2017-06-29 16:00:15,228 - util.py[DEBUG]: failed dmidecode cmd: ['/usr/sbin/dmidecode', '--string', 'system-serial-number']
  Unexpected error while running command.
  Command: ['/usr/sbin/dmidecode', '--string', 'system-serial-number']
  Exit code: 1
  Reason: -
  Stdout: -
  Stderr: /sys/firmware/dmi/tables/smbios_entry_point: Permission denied
          /dev/mem: No such file or directory

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: cloud-init 0.7.9-197-gebc9ecbc-0ubuntu1
  ProcVersionSignature: Ubuntu 4.10.0-22.24-generic 4.10.15
  Uname: Linux 4.10.0-22-generic x86_64
  ApportVersion: 2.20.5-0ubuntu5
  Architecture: amd64
  Date: Thu Jun 29 16:47:51 2017
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=C.UTF-8
  SourcePackage: cloud-init
  UpgradeStatus: No upgrade log present (probably fresh install)

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