Comment 41 for bug 1526283

Reviewed: https://review.openstack.org/485773
Committed: https://git.openstack.org/cgit/openstack/ironic/commit/?id=fc1e18e3e4a28b1163e7a597ee8b07d465d7a174
Submitter: Jenkins
Branch: master

commit fc1e18e3e4a28b1163e7a597ee8b07d465d7a174
Author: Mark Goddard <email address hidden>
Date: Thu Jul 20 10:41:54 2017 +0100

    Rolling upgrades support for create_port RPCAPI

    The new field 'physical_network' was added to Port in version
    1.7, and port creation was moved from the API to the conductor
    service in commit 9e3f4121865807294dd3768b095b67eb01ef539e.

    This change adds a method can_send_create_port() to the conductor
    RPCAPI that allows the caller to determine whether the conductor is able
    to create ports. During a rolling upgrade this may return False, and the
    API will need to determine whether it is able to create the port locally
    as was done previously.

    The create_port RPC method was added to support validation of the
    physical_network field of ports in portgroups. A port may therefore be
    safely created in the API service if it is not a member of a portgroup.
    If the port being created is a member of a portgroup, then it cannot be
    safely validated by the API service and the request must be rejected.

    Change-Id: I8c417cba085f61c3d2ffe1f7e97c64fa85a014cb
    Related-Bug: #1666009
    Related-Bug: #1526283