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[OpenStack Infra <1697803@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

https://review.openstack.org/470788
Dear bug triager. This bug was created since a commit was marked with DOCIMPACT.
Your project "openstack/neutron" is set up so that we directly report the documentation bugs against it. If this needs changing, the docimpact-group option needs to be added for the project. You can ask the OpenStack infra team (#openstack-infra on freenode) for help if you need to.

commit 33e48cf84db0f6b51a0f981499bbd341860b6c1c
Author: Harald Jensas <harald.jensas@xxxxxxxxx>
Date:   Sun Jun 4 23:41:19 2017 +0200

    Do not defer allocation if fixed-ips is in the port create request.
    
    Fix a usage regression, use case #2 in Nova Neutron Routed Networks spec
    https://specs.openstack.org/openstack/nova-specs/specs/newton/implemented/neutron-routed-networks.html
    
    Currently ip allocation is always deferred if binding:host_id is not
    specified when routed networks are used. This causes initial fixed-ips
    data provided by the user to be _lost_ unless the user also specify the
    host.
    
    Since the user specified the IP or Subnet to allocate in, there is no
    reason to defer the allocation.
    
    a) It is a common pattern, especially in Heat templates to:
     1. Create a port with fixed-ips specifying a subnet.
     2. Create a server and associate the existing port.
    b) It is also common to use Neutron IPAM as a source to get VIP
       addresses for clusters on provider networks.
    
    This change enables these use cases with routed networks.
    
    DocImpact: "The Networking service defers assignment of IP addresses to
    the port until the particular compute node becomes apparent." This is no
    longer true if fixed-ips is used in the port create request.
    
    Change-Id: I86d4aafa1f8cd425cb1eeecfeaf95226d6d248b4
    Closes-Bug: #1695740

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: doc neutron

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https://bugs.launchpad.net/bugs/1697803

Title:
      Do not defer allocation if fixed-ips is in the port create
  request.

Status in neutron:
  New

Bug description:
  https://review.openstack.org/470788
  Dear bug triager. This bug was created since a commit was marked with DOCIMPACT.
  Your project "openstack/neutron" is set up so that we directly report the documentation bugs against it. If this needs changing, the docimpact-group option needs to be added for the project. You can ask the OpenStack infra team (#openstack-infra on freenode) for help if you need to.

  commit 33e48cf84db0f6b51a0f981499bbd341860b6c1c
  Author: Harald Jensas <harald.jensas@xxxxxxxxx>
  Date:   Sun Jun 4 23:41:19 2017 +0200

      Do not defer allocation if fixed-ips is in the port create request.
      
      Fix a usage regression, use case #2 in Nova Neutron Routed Networks spec
      https://specs.openstack.org/openstack/nova-specs/specs/newton/implemented/neutron-routed-networks.html
      
      Currently ip allocation is always deferred if binding:host_id is not
      specified when routed networks are used. This causes initial fixed-ips
      data provided by the user to be _lost_ unless the user also specify the
      host.
      
      Since the user specified the IP or Subnet to allocate in, there is no
      reason to defer the allocation.
      
      a) It is a common pattern, especially in Heat templates to:
       1. Create a port with fixed-ips specifying a subnet.
       2. Create a server and associate the existing port.
      b) It is also common to use Neutron IPAM as a source to get VIP
         addresses for clusters on provider networks.
      
      This change enables these use cases with routed networks.
      
      DocImpact: "The Networking service defers assignment of IP addresses to
      the port until the particular compute node becomes apparent." This is no
      longer true if fixed-ips is used in the port create request.
      
      Change-Id: I86d4aafa1f8cd425cb1eeecfeaf95226d6d248b4
      Closes-Bug: #1695740

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