Write the IPAM spec

[Taku Fukushima]

The new IPAM mechanism was introduced in Docker 1.9.0. We should leverage it to provide the true IPAM by Neutron.

Before actually implementing it, we should write the spec and how it works.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/248010

[OpenStack Infra (hudson-openstack)]

Related fix proposed to branch: master
Review: https://review.openstack.org/250188

[OpenStack Infra (hudson-openstack)]

Change abandoned by Taku Fukushima (<email address hidden>) on branch: master
Review: https://review.openstack.org/250188
Reason: I'm abandoning this patch because it's conflicted with https://review.openstack.org/#/c/250188/ and Vikas fixed this patch up into his patch.

[OpenStack Infra (hudson-openstack)]

Related fix proposed to branch: master
Review: https://review.openstack.org/255132

[OpenStack Infra (hudson-openstack)]

Change abandoned by Gal Sagie (<email address hidden>) on branch: master
Review: https://review.openstack.org/252796
Reason: This was copied to here:
https://review.openstack.org/#/c/255132/

[OpenStack Infra (hudson-openstack)]

Related fix proposed to branch: master
Review: https://review.openstack.org/256205

[OpenStack Infra (hudson-openstack)]

Change abandoned by Gal Sagie (<email address hidden>) on branch: master
Review: https://review.openstack.org/255132

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/256205
Committed: https://git.openstack.org/cgit/openstack/kuryr/commit/?id=1fafa2c692e35890b341bbd222adb79c8bd613ba
Submitter: Jenkins
Branch: master

commit 1fafa2c692e35890b341bbd222adb79c8bd613ba
Author: Vikas Choudhary <email address hidden>
Date: Fri Dec 11 09:48:58 2015 +0530

    Add Docker pluggable IPAM implementation to Kuryr

    This patch implements libnetwork's remote IPAM driver. The following
    APIs are implemented in this patch:
        - POST /IpamDriver.GetDefaultAddressSpaces
        - POST /IpamDriver.RequestPool
        - POST /IpamDriver.ReleasePool
        - POST /IpamDriver.RequestAddress
        - POST /IpamDriver.ReleaseAddress

    Change-Id: Iaba48ded3a613fd0da2796aaff3b8816b11d515d
    Co-Authored-By: Taku Fukushima <email address hidden>
    Implements: blueprint remote-ipam-driver
    Closes-Bug: #1520080
    Related-bug: #1518249

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/248010
Committed: https://git.openstack.org/cgit/openstack/kuryr/commit/?id=561780e30bd3bbe0f01e6145369ed727571e843c
Submitter: Jenkins
Branch: master

commit 561780e30bd3bbe0f01e6145369ed727571e843c
Author: Taku Fukushima <email address hidden>
Date: Fri Nov 20 19:24:38 2015 +0900

    Add description about the IPAM to devref

    This patch adds the specification of the IPAM leverages Neutron's IPAM
    mechanism for the newly added libnetwork IPAM driver mechanism.

    Change-Id: I5965aae70732f7e7634ceebf706db16f0d7f68de
    Co-Authored-By: vikas choudhary <email address hidden>
    Blueprint: remote-ipam-driver
    Closes-Bug: #1518249