This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
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Project Description

What’s this

This is OpenStack/Networking (Neutron) “ofagent” ML2 driver and its agent.

Installation

For how to install/set up ML2 mechanism driver for OpenFlow Agent, please refer to https://github.com/osrg/ryu/wiki/OpenStack

Notes for updating from Icehouce

OVS.bridge_mappings is deprecated for ofagent. It was removed in Kilo. Please use AGENT.physical_interface_mappings instead. To mimic an existing setup with bridge_mapping, you can create a veth pair, link one side of it to the bridge, and then specify the other side in physical_interface_mappings. For example, if you have the following:

[OVS]
bridge_mappings=public:br-ex

You can do:

# ip link add int-public type veth peer name phy-public
# ip link set int-public up
# ip link set phy-public up
# ovs-vsctl add-port br-ex phy-public

and then replace the bridge_mappings with:

[AGENT]
physical_interface_mappings=public:int-public

After Icehouce, most of the functionality have been folded into a single bridge, the integration bridge. (aka. br-int) The integration bridge is the only bridge which would have an OpenFlow connection to the embedded controller in ofagent now.

  • ofagent no longer uses a separate bridge for tunneling. Please remove br-tun if you have one:

    # ovs-vsctl del-br br-tun
    
  • ofagent no longer acts as an OpenFlow controller for physical bridges. Please remove set-controller configuration from your physical bridges:

    # ovs-vsctl del-controller ${PHYSICAL_BRIDGE}
    

The support of ancillary bridges has been removed after Icehouce. While you can still use these bridges to provide connectivity, neutron-ofagent-agent no longer reports port state changes (up/down) for these bridges. If it is a problem for you, please consider tweaking your configuration to avoid using ancillary bridges. We recommend to use a provider network instead as the following:

  • Make l3-agent external_network_bridge configuration empty:

    [DEFAULT]
    external_network_bridge=
    
  • (Re-)create a network (and subnet) for public connectivity with a flat provider network:

    neutron net-create $PUBLIC_NETWORK -- \
      --router:external=True \
      --provider:network_type:flat \
      --provider:physical_network=$PUBLIC_PHYSICAL_NETWORK
    
  • Associate your neutron router to the above network:

    neutron router-gateway-clear $ROUTER_ID
    neutron router-gateway-set $ROUTER_ID $PUBLIC_NETWORK
    
  • Add the corresponding entry to bridge_mappings:

    [OVS]
    bridge_mappings=$PUBLIC_PHYSICAL_NETWORK:$PUBLIC_BRIDGE
    

The port naming scheme for ofagent has been changed after Icehouce. If you are using security groups, you should switch firewall_driver accordingly.

From:

[securitygroup]
firewall_driver=neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver

To:

[securitygroup]
firewall_driver=neutron.agent.linux.iptables_firewall.IptablesFirewallDriver

External Resources

OFAgent documentation on ReadTheDocs

http://networking-ofagent.readthedocs.org/en/latest/

Neutron/OFAgent on OpenStack wiki

https://wiki.openstack.org/wiki/Neutron/OFAgent

Ryu

OFAgent uses Ryu ofproto library to communicate with the local switch.

For general Ryu stuff, please refer to http://osrg.github.io/ryu/

Ryu is available at github git://github.com/osrg/ryu.git https://github.com/osrg/ryu

The mailing is at ryu-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ryu-devel

Enjoy!

Release History

Release History

2015.1.6

This version

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2015.1.5

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2015.1.4

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2015.1.3

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2015.1.2

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2015.1.1.dev97

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2.0.0

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1.0.3

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1.0.2

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1.0.1

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1.0.0

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Download Files

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
networking_ofagent-2015.1.6-py2.py3-none-any.whl (61.6 kB) Copy SHA256 Checksum SHA256 py2.py3 Wheel May 9, 2016
networking-ofagent-2015.1.6.tar.gz (73.0 kB) Copy SHA256 Checksum SHA256 Source May 9, 2016

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