Hi Inês,
please put br0 inside of list, for example,
c = vsctl.VSCtlCommand('br-exists', ["br0"])
regards,
Em sex., 10 de jan. de 2020 às 16:21, Inês Lopes <inesle...@ua.pt> escreveu:
> Good afternoon,
>
> I've solved my previous problem (01-10-2020). It turns
> out '--columns=options' is not an available option in the OVSDB library in
> Ryu and I was not aware of that. I apolagize.
>
> However, I think I've found a bug coming from vsctl.py, in /ryu/lib/ovs
> (but I hope I'm wrong). I'm trying to do a simple task: list all ports of
> an OVS or list all ports associated with a bridge. The following commands
> were executed in the same order as shown and their outputs are below each
> one:
>
> _______________________________________________________
> c = vsctl.VSCtlCommand('list-br')
> print(c)
> >> "br0"
>
> c = vsctl.VSCtlCommand('br-exists', "br0")
> print(c)
> >> [False]
>
> c = vsctl.VSCtlCommand('list-ifaces', "br0")
> print(c)
> >> "no bridge named b"
> ________________________________________________________
>
>
> Now, using only "ryu.lib.ovs.bridge":
> *_____________________________________________*
> result = br.get_port_name_list()
> >> "no bridge named None"
>
> result = br.get_port_name_list("br0")
> >> get_port_name_list() takes 1 positional argument but 2 were given
> _________________________________________________________
>
>
> As anyone experienced this problem before? It's like the string of the
> name of the bridge, "br0", never reaches as a whole to the function
> "find_bridge(self, name, must_exist)" of vsctl.py.
> It's important to note that when I print the "self.bridges" variable
> inside the "find_bridge" function, a dictionary with a "br0" key is
> displayed.
> Could the problem be the fact that I'm using openflow13?
>
> Regards,
> Inês
>
> _______________________________________________
> Ryu-devel mailing list
> Ryu-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/ryu-devel
>
--
"A computer is like air conditioning: it becomes useless when you open
windows." - Linus Torvalds
Fernando N. N. Farias
PhD in Computer Science
Researcher Member on GERCOM/UFPA
Federal University of Pará
(LATTES <http://lattes.cnpq.br/9102110853958370> | ORCID
<https://orcid.org/0000-0003-0354-9544>)
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