=============================
Networking-Ansible ML2 Driver
Overview
Networking-Ansible is a python library that abstracts management and
interaction with switching hardware to Ansible Networking. This library is not
tested with all the modules included with Ansible Networking. In theory it
should work with any switch that has compatible modules included with Ansible
Networking if the provider tasks are added to this library's Ansible role.
See the contributor documentation for more information
about adding support for an Ansible Networking driver to the openstack-ml2
Ansible role.
Components
The Networking-Ansible library consists of the following components:
ML2 Mechanism Driver
Invoked by neutron to configure L2 networking for OpenStack tenant networks.
Python API
Imported directly by python.
Use Cases
OpenStack Ironic Baremetal Guest Deployment
Ironic uses Networking-Ansible to configure the switch ports for the baremetal guests.
Ironic needs to swap the port a baremetal guest is connected to between the
Ironic provisioning network and the tenant VLAN that the guest is assigned.
Python API
Any python application could need the ability to communicate with a switch
to perform a task that networking-ansible is able to complete. The interaction
with ansible is designed in a library style that will allow direct import and
invocation in python independant of a running OpenStack deployment.
API Features
The following matrix indicates which features have been implmented.
+--------------------+-------------+-------+------+-----+---------+----------+
| | openvswitch | junos | nxos | eos | cumulus | dellos10 |
+====================+=============+=======+======+=====+=========+==========+
| Create VLAN | N/A | Y | Y | Y | Y | Y |
+--------------------+-------------+-------+------+-----+---------+----------+
| Delete VLAN | N/A | Y | Y | Y | Y | Y |
+--------------------+-------------+-------+------+-----+---------+----------+
| Delete Port | Y | Y | Y | Y | Y | Y |
+--------------------+-------------+-------+------+-----+---------+----------+
| Config Access Port | Y | Y | Y | Y | Y | Y |
+--------------------+-------------+-------+------+-----+---------+----------+
| Config Trunk Port | N | Y | N | N | N | N |
+--------------------+-------------+-------+------+-----+---------+----------+
ML2 Implimentation Mapping
create_network_postcommit
: Creates a VLANdelete_network_postcommit
: Deletes a VLANupdate_port_postcommit
: Deletes the old port if bounddelete_port_postcommit
: Deletes a portbind_port
: Configures an access port