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[OpenStack Infra <1621043@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/349241
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=0c410a855625b0ec1446472a23002ac96f81d320
Submitter: Jenkins
Branch:    master

commit 0c410a855625b0ec1446472a23002ac96f81d320
Author: Gary Kotton <gkotton@xxxxxxxxxx>
Date:   Sun Jul 31 00:47:04 2016 -0700

    DHCP: device manager: two new methods - plug and unplug
    
    This enabled decomposed plugins to overwrite methods
    from the base class.
    
    An example for this is the simple DVS plugin. Here the plugin
    does not require an agent to configure the OVS. This can be
    wired directly. An example of this usage is at:
    
    https://review.openstack.org/349248
    
    Closes-bug: #1621043
    
    Change-Id: Iee2bdfc544c2a029df8accaab1a167e42e7b13d4


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1621043

Title:
  VMware-NSX: unable to get a DHCP address when using the simple-dvs
  plugin

Status in neutron:
  Fix Released

Bug description:
  The vmware-nsx repo has a number of different plugins. The DVS plugin enables one to be able to use Neutron with a number of limitation (no security groups and no layer 3 support). If one wants to achieve this with the DVS plugin then there are many different examples that they can use - for example https://github.com/openstack/networking-vsphere/blob/master/networking_vsphere/drivers/dvs_driver.py (that requires the ML2 plugin).
  In the vmware-nsx dvs case there are no agents running. A instance is unable to get a DHCP address as we are unable to plugin the DHCP agent to the OVS. This cannot be done as the DeviceManager is hard coded and we need to make use of the network information to get the VLAN tag.
  Enabling the plu and unplug opertaions for the DHCP agent to be overriden will enable the plugin to expose this and for people a chance to get neutron up and running in an existing vsphere env.

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