Hello, I tried doing this but it didnt work. Do I need to change flags.py
file
Thanks,
Sandesh Shrestha
Message: 7
Date: Tue, 24 Mar 2015 10:18:27 +0900
From: Yusuke Iwase <[email protected]>
Subject: Re: [Ryu-devel] Passing arguments to ryu app
To: [email protected], [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=UTF-8
Hi Sandesh,
On 2015?03?22? 13:08, Sandesh Shrestha wrote:
> Dear All,
>
> I need to pass arguments to ryu app. How can I do that and how to get
that in the app.
How about adding CLI options for your App as follow?
$ git diff
diff --git a/ryu/app/simple_switch_13.py b/ryu/app/simple_switch_13.py
index b9cbad0..1014c9f 100644
--- a/ryu/app/simple_switch_13.py
+++ b/ryu/app/simple_switch_13.py
@@ -20,6 +20,13 @@ from ryu.controller.handler import set_ev_cls
from ryu.ofproto import ofproto_v1_3
from ryu.lib.packet import packet
from ryu.lib.packet import ethernet
+from ryu import cfg
+
+CONF = cfg.CONF
+CONF.register_cli_opts([
+ cfg.StrOpt('test-param-str', default='default-str',
+ help='test-param-for-register-cli-opts')
+])
class SimpleSwitch13(app_manager.RyuApp):
@@ -29,6 +36,9 @@ class SimpleSwitch13(app_manager.RyuApp):
super(SimpleSwitch13, self).__init__(*args, **kwargs)
self.mac_to_port = {}
+ # Get param
+ print 'test-param-str = %s' % self.CONF.test_param_str
+
@set_ev_cls(ofp_event.EventOFPSwitchFeatures, CONFIG_DISPATCHER)
def switch_features_handler(self, ev):
datapath = ev.msg.datapath
diff --git a/ryu/cmd/manager.py b/ryu/cmd/manager.py
index 66d59b3..6dca80c 100755
--- a/ryu/cmd/manager.py
+++ b/ryu/cmd/manager.py
@@ -41,6 +41,8 @@ from ryu.app import wsgi
from ryu.base.app_manager import AppManager
from ryu.controller import controller
from ryu.topology import switches
+# import your app
+from ryu.app import simple_switch_13
CONF = cfg.CONF
$
$
$ sudo python setup.py install
$
$ sudo ryu-manager ryu.app.simple_switch_13 --test-param-str abc123
loading app ryu.app.simple_switch_13
loading app ryu.controller.ofp_handler
instantiating app ryu.app.simple_switch_13 of SimpleSwitch13
test-param-str = abc123
instantiating app ryu.controller.ofp_handler of OFPHandler
...
$
OR,
You can use Ryu config file (etc/ryu/ryu.conf).
This way is easy to use, but you need to modify the config file before
running ryu-manager.
Thanks
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