[Bug 1559711] [NEW] DHCP.leases: Lease without mac address generated

[Martin Nowack]

Public bug reported:

Following lease entry was generated in dhcp.leases:

lease x.x.x.x {
  starts 0 2016/03/20 13:30:00;
  ends 0 2016/03/20 13:30:00;
  cltt 0 2016/03/20 13:30:00;
  binding state free;
}

This entry doesn't contain a "hardware ethernet ..." entry,
therefore dhcp/leases_parser_fast.py fails.

Replacing line 78 with the following works around the issue:
            if not has_expired(entry, now) and hasattr(entry.hardware, 'mac'):


maas-cluster-controller:
  Installed: 1.9.1+bzr4543-0ubuntu1~trusty1
  Candidate: 1.9.1+bzr4543-0ubuntu1~trusty1
  Version table:
 *** 1.9.1+bzr4543-0ubuntu1~trusty1 0
        500 http://ppa.launchpad.net/maas-maintainers/stable/ubuntu/ trusty/main amd64 Packages
        100 /var/lib/dpkg/status
     1.7.6+bzr3376-0ubuntu2~14.04.1 0
        500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
     1.5.4+bzr2294-0ubuntu1.2 0
        500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
     1.5+bzr2252-0ubuntu1 0
        500 http://de.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages

** Affects: maas (Ubuntu)
     Importance: Undecided
         Status: New

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Title:
  DHCP.leases: Lease without mac address generated

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