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[Launchpad Bug Tracker <1572018@xxxxxxxxxxxxxxxxxx>]

[Expired for cloud-init because there has been no activity for 60 days.]

** Changed in: cloud-init
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1572018

Title:
  cloud-init dies with "ValueError: need more than 1 value to unpack" if
  sshd_config values are set without value

Status in cloud-init:
  Expired

Bug description:
  If you have a sshd_config with the following valid content:

  ---
  AllowUsers centos
  AllowGroups
  ---

  cloud-init (AWS) dies with

  2016-04-16 04:05:33,304 - util.py[DEBUG]: Applying ssh credentials failed!
  Traceback (most recent call last):
    File "/usr/lib/python2.7/site-packages/cloudinit/config/cc_ssh.py", line 120, in handle
      apply_credentials(keys, user, disable_root, disable_root_opts)
    File "/usr/lib/python2.7/site-packages/cloudinit/config/cc_ssh.py", line 129, in apply_credentials
      ssh_util.setup_user_keys(keys, user)
    File "/usr/lib/python2.7/site-packages/cloudinit/ssh_util.py", line 252, in setup_user_keys
      (auth_key_fn, auth_key_entries) = extract_authorized_keys(username)
    File "/usr/lib/python2.7/site-packages/cloudinit/ssh_util.py", line 220, in extract_authorized_keys
      ssh_cfg = parse_ssh_config_map(DEF_SSHD_CFG)
    File "/usr/lib/python2.7/site-packages/cloudinit/ssh_util.py", line 303, in parse_ssh_config_map
      lines = parse_ssh_config(fname)
    File "/usr/lib/python2.7/site-packages/cloudinit/ssh_util.py", line 297, in parse_ssh_config
      (key, val) = line.split(None, 1)
  ValueError: need more than 1 value to unpack

  SSH key is not copied to user, this instances becomes unusable.

  Environment:

    aws

  cloud init from CentOS-Extras

  [root@puppet ~]# rpm -qa | grep cloud-init
  cloud-init-0.7.5-10.el7.centos.1.x86_64

  {"name"=>"CentOS", "family"=>"RedHat", "release"=>{"major"=>"7",
  "minor"=>"2", "full"=>"7.2.1511"}}

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