openstack
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neutron
Code Issues Proposed changes
neutron/neutron/plugins/brocade
History
Cedric Brandily 7eb9d9d316 Support oslo_db 1.12 
oslo_db 1.12[1] decorates oslo_context.context.RequestContext with
session management[2][3] and add a read-only attribute 'session'. Such
feature breaks Brocade plugin and its unittests because they define
on RequestContext the 'session' attribute which now is a read-only
property. This change uses neutron.context instead of
oslo_context.context in order to delegate session management to the
neutron.context and remove read-only attribute set.

A follow-up change will refactor neutron.context in order to use oslo_db
1.12 session management instead of homemade one.

[1] https://github.com/openstack/oslo.db/releases/tag/1.12.0
[2] https://github.com/openstack/oslo.db/commit/\
    fdbd928b1fdf0334e1740e565ab8206fff54eaa6
[3] https://github.com/openstack/oslo.db/blob/\
    fdbd928b1fdf0334e1740e565ab8206fff54eaa6/oslo_db/sqlalchemy/\
    enginefacade.py#L782

Closes-Bug: #1468128
Change-Id: I0e3331f9a383fa2562706eeadb229f55593b888c
 		2015-06-24 01:32:44 +02:00
..
db Empty files should not contain copyright or license 2014-10-20 00:50:32 +00:00
nos Migrate to oslo.log 2015-03-12 11:22:56 +01:00
tests Migrate to oslo.log 2015-03-12 11:22:56 +01:00
NeutronPlugin.py Support oslo_db 1.12 2015-06-24 01:32:44 +02:00
README.md Switch from MySQL-python to PyMySQL 2015-06-09 19:48:20 -04:00
__init__.py Empty files should not contain copyright or license 2014-10-20 00:50:32 +00:00
vlanbm.py Python 3: Use six.moves.range 2015-05-19 17:32:17 +02:00

README.md

Brocade Openstack Neutron Plugin

Openstack Brocade Neutron Plugin implements the Neutron v2.0 API.

This plugin is meant to orchestrate Brocade VCS switches running NOS, examples of these are:

  1. VDX 67xx series of switches
  2. VDX 87xx series of switches

Brocade Neutron plugin implements the Neutron v2.0 API. It uses NETCONF at the backend to configure the Brocade switch.

         +------------+        +------------+          +-------------+
         |            |        |            |          |             |
         |            |        |            |          |   Brocade   |
         | Openstack  |  v2.0  |  Brocade   |  NETCONF |  VCS Switch |
         | Neutron    +--------+  Neutron   +----------+             |
         |            |        |  Plugin    |          |  VDX 67xx   |
         |            |        |            |          |  VDX 87xx   |
         |            |        |            |          |             |
         |            |        |            |          |             |
         +------------+        +------------+          +-------------+

Directory Structure

Normally you will have your Openstack directory structure as follows:

     /opt/stack/nova/
     /opt/stack/horizon/
     ...
     /opt/stack/neutron/neutron/plugins/

Within this structure, Brocade plugin resides at:

     /opt/stack/neutron/neutron/plugins/brocade

Prerequsites

This plugin requires installation of the python netconf client (ncclient) library:

ncclient v0.3.1 - Python library for NETCONF clients available at http://github.com/brocade/ncclient

% git clone https://www.github.com/brocade/ncclient % cd ncclient; sudo python ./setup.py install

Configuration

  1. Specify to Neutron that you will be using the Brocade Plugin - this is done by setting the parameter core_plugin in Neutron:

     core_plugin = neutron.plugins.brocade.NeutronPlugin.BrocadePluginV2

  2. Physical switch configuration parameters and Brocade specific database configuration is specified in the configuration file specified in the brocade.ini files:

     % cat /etc/neutron/plugins/brocade/brocade.ini
 [SWITCH]
 username = admin
 password = password
 address  = <switch mgmt ip address>
 ostype   = NOS

 [database]
 connection = mysql+pymysql://root:pass@localhost/brocade_neutron?charset=utf8

 (please see list of more configuration parameters in the brocade.ini file)

Running Setup.py

Running setup.py with appropriate permissions will copy the default configuration file to /etc/neutron/plugins/brocade/brocade.ini. This file MUST be edited to suit your setup/environment.

  % cd /opt/stack/neutron/neutron/plugins/brocade
  % python setup.py

Devstack

Please see special notes for devstack at: http://wiki.openstack.org/brocade-neutron-plugin

In order to use Brocade Neutron Plugin, add the following lines in localrc, if localrc file doe not exist create one:

ENABLED_SERVICES=g-api,g-reg,key,n-api,n-crt,n-obj,n-cpu,n-net,n-cond,cinder,c-sch,c-api,c-vol,n-sch,n-novnc,n-xvnc,n-cauth,horizon,rabbit,neutron,q-svc,q-agt Q_PLUGIN=brocade

As part of running devstack/stack.sh, the configuration files is copied as:

% cp /opt/stack/neutron/etc/neutron/plugins/brocade/brocade.ini /etc/neutron/plugins/brocade/brocade.ini

(hence it is important to make any changes to the configuration in: /opt/stack/neutron/etc/neutron/plugins/brocade/brocade.ini)