Neutron l3 plugin subnetpool creation should be optional

[Rajini Karthik]

https://bugs.launchpad.net/devstack/+bug/1613717
This bug introduced subnet pool which breaks a number of thirdparty CI that doesn't use subnet pools. Subnet pools should be optional as it ignores the public network specified in FIXED_RANGE

016-09-27 14:00:55.697 | ++ lib/neutron_plugins/services/l3:create_neutron_initial_network:189 : neutron --os-clou
d devstack-admin --os-region RegionOne subnet-create --tenant_id 267a02c138fe43fd828b8508b32437b7 --ip_version 4 --al
location-pool start=172.16.99.40,end=172.16.99.50 --name provider_net --gateway 172.16.99.1 --subnetpool a7d32f36-990
5-4bc2-8702-91b8053fdd4a 06668b6c-2d7d-49a3-a8da-545a652b8269
2016-09-27 14:00:55.698 | ++ lib/neutron_plugins/services/l3:create_neutron_initial_network:189 : grep ' id '
2016-09-27 14:00:55.698 | ++ lib/neutron_plugins/services/l3:create_neutron_initial_network:189 : get_field 2
2016-09-27 14:00:55.700 | ++ functions-common:get_field:701 : local data field
2016-09-27 14:00:55.702 | ++ functions-common:get_field:702 : read data
2016-09-27 14:00:56.973 | Bad subnets request: allocation_pools allowed only for specific subnet requests.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/378063

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/381940
Committed: https://git.openstack.org/cgit/openstack/magnum/commit/?id=45f071e36eab4f3d20cacbc9cd610e536e1dd2b9
Submitter: Jenkins
Branch: master

commit 45f071e36eab4f3d20cacbc9cd610e536e1dd2b9
Author: Spyros Trigazis <email address hidden>
Date: Tue Oct 4 17:48:28 2016 +0200

    devstack: Fix neutron configuration to run in OSIC

    We can merge this temporary fix and track the following
    related bugs to revert. For details for the issue, please
    refer to the bug descriptions.

    Related-Bug: #1628267
    Related-Bug: #1629133
    Change-Id: I51feb6ccdc0fab91a591568866e6801f2bbb319b

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/378063
Committed: https://git.openstack.org/cgit/openstack-dev/devstack/commit/?id=c58a15575d3d202c1ecb19ebba82a908dfb66028
Submitter: Jenkins
Branch: master

commit c58a15575d3d202c1ecb19ebba82a908dfb66028
Author: rajinir <email address hidden>
Date: Tue Sep 27 17:14:59 2016 -0500

    Neutron L3 subnetpool creation should be optional

    Added an option to make subnetpools to be optional
    as it ignores the public network specified in
    FIXED_RANGE.

    DocImpact
    Change-Id: Ic89ceca76afda67da5545111972c3348011f294f
    Closes-Bug: #1628267

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/388602
Committed: https://git.openstack.org/cgit/openstack/magnum/commit/?id=821bacc4a7f0b7a0f99d5b23da23375c3db41f64
Submitter: Jenkins
Branch: master

commit 821bacc4a7f0b7a0f99d5b23da23375c3db41f64
Author: yatin <email address hidden>
Date: Wed Oct 19 10:36:52 2016 +0000

    Revert "devstack: Fix neutron configuration to run in OSIC"

    This reverts commit 45f071e36eab4f3d20cacbc9cd610e536e1dd2b9.

    The Temporary fix can be reverted as devstack has released
    the fix in following patch:-
    https://review.openstack.org/398012

    Change-Id: I837f4925cf4c797bd1b02a7bf244ca5742159971
    Closes-Bug: #1628267
    Closes-Bug: #1629133

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/magnum 4.0.0 release.