Hello List,
after going through the archives, and doing many combinations with the
"OVSDB" keyword in Google, I felt defeated, and finally decided to query
your collective wisdom, :).
I've reviewed many questions asking for a quick explanation on how to
use the OVSDB Manager library, or how to send OVSDB commands to an OVS
switch. Nevertheless, I could not omit the fact that the example
provided in the documentation does not even catch the
"*EventNewOVSDBConnection*" event. Further, it does not even include
*ryu.controller.handler* for handling the event.
So my question is: how can I log OVS devices trying to connect to the
remote manager (Ryu)? (I'm assuming that the configuration of bridges
and ports can be quickly derived from the example)
Right now I have been able to run the following (short) application:
---------------------------------------------
import uuid
from ryu.base import app_manager
from ryu.controller.handler import set_ev_cls
from ryu.services.protocols.ovsdb import api as ovsdb
from ryu.services.protocols.ovsdb import event as ovsdb_event
class MyApp(app_manager.RyuApp):
@set_ev_cls(ovsdb_event.EventNewOVSDBConnection)
def handle_new_ovsdb_connection(self, ev):
system_id = ev.system_id
self.logger.info('New OVSDB connection from system id %s',
systemd_id)
---------------------------------------------
Nevertheless, as shown next, the logger.info output do not correspond to
MyApp class, in fact, modifying the log message at
/ryu/services/protocols/ovsdb/manager.py (line 93 inside _accept method)
does not change the output of the log message:
----------------------------------------------
loading app ovsdb_example.py
loading app ryu.services.protocols.ovsdb.manager
instantiating app ovsdb_example.py of MyApp
instantiating app ryu.services.protocols.ovsdb.manager of OVSDB
BRICK OVSDB
PROVIDES EventNewOVSDBConnection TO {'MyApp': set([])}
PROVIDES EventModifyRequest TO {'OVSDB': set([])}
PROVIDES EventReadRequest TO {'OVSDB': set([])}
CONSUMES EventModifyRequest
CONSUMES EventReadRequest
BRICK MyApp
CONSUMES EventNewOVSDBConnection
Listening on 0.0.0.0:6640 for clients
*New connection from 193.168.168.106:38156*
----------------------------------------------
Any ideas?
Thanks in advance for the help,
Luis.
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