ODL-Networking之深入理解（一）

opendaylight_v1与v2区别

在Neutron服务节点更改配置

openstack@network:~$ sudo vi /etc/neutron/plugins/ml2/ml2_conf.ini
[ml2]
type_drivers = flat,vxlan
tenant_network_types = vxlan
mechanism_drivers = opendaylight 

[ml2_odl]
password = admin
username = admin
url = http://192.168.51.110:8080/controller/nb/v2/neutron

安装odl-networking还是比较推荐使用源码安装，这样的话比较好控制。在使用
python setup.py install
的时候可能出现以下问题

[root@controller(keystone_admin)]# python setup.py install
Traceback (most recent call last):
  File "setup.py", line 29, in <module>
    pbr=True)
  File "/usr/lib64/python2.7/distutils/core.py", line 112, in setup
    _setup_distribution = dist = klass(attrs)
  File "/usr/lib/python2.7/site-packages/setuptools/dist.py", 
  line 265, in __init__
    self.fetch_build_eggs(attrs.pop('setup_requires'))
  File "/usr/lib/python2.7/site-packages/setuptools/dist.py", line 289
  , in fetch_build_eggs
    parse_requirements(requires), installer=self.fetch_build_egg
  File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 630, 
  in resolve
    raise VersionConflict(dist,req) # XXX put more info here
pkg_resources.VersionConflict: 
(pbr 1.10.0 (/usr/lib/python2.7/site-packages),
Requirement.parse('pbr>=2.0.0'))

这种情况的话只需要把git branch调整为当前的openstack环境的版本就可以了

配置步骤

odl-networking安装完成之后需要同步数据库，在数据库中增加journal和maintenance数据，否则会报错

  
[root@localhost ~(keystone_admin)]# sudo su -s /bin/sh -c "neutron-db-manage --config-file /etc/neutron/neutron.conf  --config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade head" neutron
INFO  [alembic.runtime.migration] Context impl MySQLImpl.
INFO  [alembic.runtime.migration] Will assume non-transactional DDL.
  Running upgrade for neutron ...
INFO  [alembic.runtime.migration] Context impl MySQLImpl.
INFO  [alembic.runtime.migration] Will assume non-transactional DDL.
  OK
INFO  [alembic.runtime.migration] Context impl MySQLImpl.
INFO  [alembic.runtime.migration] Will assume non-transactional DDL.
  Running upgrade for networking-odl ...
INFO  [alembic.runtime.migration] Context impl MySQLImpl.
INFO  [alembic.runtime.migration] Will assume non-transactional DDL.
INFO  [alembic.runtime.migration] Running upgrade  -> b89a299e19f9, Initial odl db, branchpoint
INFO  [alembic.runtime.migration] Running upgrade b89a299e19f9 -> 247501328046, Start of odl expand branch
INFO  [alembic.runtime.migration] Running upgrade 247501328046 -> 37e242787ae5, Opendaylight Neutron mechanism driver refactor
INFO  [alembic.runtime.migration] Running upgrade 37e242787ae5 -> 703dbf02afde, Add journal maintenance table
INFO  [alembic.runtime.migration] Running upgrade 703dbf02afde -> 3d560427d776, add sequence number to journal
INFO  [alembic.runtime.migration] Running upgrade b89a299e19f9 -> 383acb0d38a0, Start of odl contract branch
INFO  [alembic.runtime.migration] Running upgrade 383acb0d38a0 -> fa0c536252a5, update opendayligut journal
  OK
INFO  [alembic.runtime.migration] Context impl MySQLImpl.
INFO  [alembic.runtime.migration] Will assume non-transactional DDL.
  Running upgrade for neutron-lbaas ...
INFO  [alembic.runtime.migration] Context impl MySQLImpl.
INFO  [alembic.runtime.migration] Will assume non-transactional DDL.
  OK

这步骤操作完成之后需要重启neutron-server